---
_id: '9885'
abstract:
- lang: eng
text: Intelligent mechatronic systems, such as self-optimizing systems, allow an
adaptation of the system behavior at runtime based on the current situation. To
do so, they generally select among several pre-defined working points. A common
method to determine working points for a mechatronic system is to use model-based
multiobjective optimization. It allows finding compromises among conflicting objectives,
called objective functions, by adapting parameters. To evaluate the system behavior
for different parameter sets, a model of the system behavior is included in the
objective functions and is evaluated during each function call. Intelligent mechatronic
systems also have the ability to adapt their behavior based on their current reliability,
thus increasing their availability, or on changed safety requirements; all of
which are summed up by the common term dependability. To allow this adaptation,
dependability can be considered in multiobjective optimization by including dependability-related
objective functions. However, whereas performance-related objective functions
are easily found, formulation of dependability-related objective functions is
highly system-specific and not intuitive, making it complex and error-prone. Since
each mechatronic system is different, individual failure modes have to be taken
into account, which need to be found using common methods such as Failure-Modes
and Effects Analysis or Fault Tree Analysis. Using component degradation models,
which again are specific to the system at hand, the main loading factors can be
determined. By including these in the model of the system behavior, the relation
between working point and dependability can be formulated as an objective function.
In our work, this approach is presented in more detail. It is exemplified using
an actively actuated single plate dry clutch system. Results show that this approach
is suitable for formulating dependability-related objective functions and that
these can be used to extend system lifetime by adapting system behavior.
author:
- first_name: Tobias
full_name: Meyer , Tobias
last_name: 'Meyer '
- first_name: Christoph
full_name: Sondermann-Wölke, Christoph
last_name: Sondermann-Wölke
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: Meyer T, Sondermann-Wölke C, Sextro W. Method to Identify Dependability Objectives
in Multiobjective Optimization Problem. Conference Proceedings of the 2nd International
Conference on System-Integrated Intelligence. 2014;15:46-53. doi:10.1016/j.protcy.2014.09.033
apa: Meyer , T., Sondermann-Wölke, C., & Sextro, W. (2014). Method to Identify
Dependability Objectives in Multiobjective Optimization Problem. Conference
Proceedings of the 2nd International Conference on System-Integrated Intelligence,
15, 46–53. https://doi.org/10.1016/j.protcy.2014.09.033
bibtex: '@article{Meyer _Sondermann-Wölke_Sextro_2014, title={Method to Identify
Dependability Objectives in Multiobjective Optimization Problem}, volume={15},
DOI={10.1016/j.protcy.2014.09.033},
journal={Conference Proceedings of the 2nd International Conference on System-Integrated
Intelligence}, author={Meyer , Tobias and Sondermann-Wölke, Christoph and Sextro,
Walter}, year={2014}, pages={46–53} }'
chicago: 'Meyer , Tobias, Christoph Sondermann-Wölke, and Walter Sextro. “Method
to Identify Dependability Objectives in Multiobjective Optimization Problem.”
Conference Proceedings of the 2nd International Conference on System-Integrated
Intelligence 15 (2014): 46–53. https://doi.org/10.1016/j.protcy.2014.09.033.'
ieee: T. Meyer , C. Sondermann-Wölke, and W. Sextro, “Method to Identify Dependability
Objectives in Multiobjective Optimization Problem,” Conference Proceedings
of the 2nd International Conference on System-Integrated Intelligence, vol.
15, pp. 46–53, 2014.
mla: Meyer , Tobias, et al. “Method to Identify Dependability Objectives in Multiobjective
Optimization Problem.” Conference Proceedings of the 2nd International Conference
on System-Integrated Intelligence, vol. 15, 2014, pp. 46–53, doi:10.1016/j.protcy.2014.09.033.
short: T. Meyer , C. Sondermann-Wölke, W. Sextro, Conference Proceedings of the
2nd International Conference on System-Integrated Intelligence 15 (2014) 46–53.
date_created: 2019-05-20T13:19:37Z
date_updated: 2019-09-16T10:22:04Z
department:
- _id: '151'
doi: 10.1016/j.protcy.2014.09.033
intvolume: ' 15'
keyword:
- Self-optimization
- multiobjective optimization
- objective function
- dependability
- intelligent system
- behavior adaptation
language:
- iso: eng
page: 46-53
publication: Conference Proceedings of the 2nd International Conference on System-Integrated
Intelligence
quality_controlled: '1'
status: public
title: Method to Identify Dependability Objectives in Multiobjective Optimization
Problem
type: journal_article
user_id: '55222'
volume: 15
year: '2014'
...
---
_id: '9887'
abstract:
- lang: eng
text: A model to calculate the locally resolved tangential contact forces of the
wheel rail contact with respect to contact kinematics, material and surface properties
as well as temperature is introduced. The elasticity of wheel and rail is modeled
as an elastic layer consisting of point contact elements connected by springs
to each other and to the wheel. Each element has two degrees of freedom in tangential
directions. The resulting total stiffness matrix is reduced to calculate only
the position of the elements in contact. Friction forces as well as contact stiffnesses
are incorporated by a nonlinear force-displacement characteristic, which originates
from a detailed contact model. The contact elements are transported through the
contact zone in discrete time steps. After each time step an equilibrium is calculated.
For all elements, their temperature and its influence on local friction are regarded
by calculating friction power and temperature each time step.
author:
- first_name: Jan
full_name: Neuhaus, Jan
last_name: Neuhaus
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Neuhaus J, Sextro W. Thermo-Mechanical Model for Wheel Rail Contact using
Coupled Point Contact Elements. In: Liu GR, Guan ZW, eds. Proceedings of the
5th International Conference on Computational Methods. ScienTech Publisher;
2014.'
apa: Neuhaus, J., & Sextro, W. (2014). Thermo-Mechanical Model for Wheel Rail
Contact using Coupled Point Contact Elements. In G. R. Liu & Z. W. Guan (Eds.),
Proceedings of the 5th International Conference on Computational Methods.
ScienTech Publisher.
bibtex: '@inproceedings{Neuhaus_Sextro_2014, title={Thermo-Mechanical Model for
Wheel Rail Contact using Coupled Point Contact Elements}, booktitle={Proceedings
of the 5th International Conference on Computational Methods}, publisher={ScienTech
Publisher}, author={Neuhaus, Jan and Sextro, Walter}, editor={Liu, G.R. and Guan,
Z.W.Editors}, year={2014} }'
chicago: Neuhaus, Jan, and Walter Sextro. “Thermo-Mechanical Model for Wheel Rail
Contact Using Coupled Point Contact Elements.” In Proceedings of the 5th International
Conference on Computational Methods, edited by G.R. Liu and Z.W. Guan. ScienTech
Publisher, 2014.
ieee: J. Neuhaus and W. Sextro, “Thermo-Mechanical Model for Wheel Rail Contact
using Coupled Point Contact Elements,” in Proceedings of the 5th International
Conference on Computational Methods, 2014.
mla: Neuhaus, Jan, and Walter Sextro. “Thermo-Mechanical Model for Wheel Rail Contact
Using Coupled Point Contact Elements.” Proceedings of the 5th International
Conference on Computational Methods, edited by G.R. Liu and Z.W. Guan, ScienTech
Publisher, 2014.
short: 'J. Neuhaus, W. Sextro, in: G.R. Liu, Z.W. Guan (Eds.), Proceedings of the
5th International Conference on Computational Methods, ScienTech Publisher, 2014.'
date_created: 2019-05-20T13:23:02Z
date_updated: 2019-09-16T10:59:46Z
department:
- _id: '151'
editor:
- first_name: G.R.
full_name: Liu, G.R.
last_name: Liu
- first_name: Z.W.
full_name: Guan, Z.W.
last_name: Guan
keyword:
- Rolling Contact
- Discrete Elements
- Contact Stiffness
- Temperature
language:
- iso: eng
publication: Proceedings of the 5th International Conference on Computational Methods
publisher: ScienTech Publisher
quality_controlled: '1'
status: public
title: Thermo-Mechanical Model for Wheel Rail Contact using Coupled Point Contact
Elements
type: conference
user_id: '55222'
year: '2014'
...
---
_id: '9888'
abstract:
- lang: eng
text: This paper discusses the refinement of multibody models by integration of
flexible bodies and by considering nonlinearities from contacts. It presents common
approaches for contact modeling in multibody simulations and strategies to include
flexible bodies. A contact model is implemented in the elastic multibody model.
Experimental results show that significant effects of system dynamics can be modeled
by use of a multibody model including elastic bodies and contacts.
author:
- first_name: Sebastian
full_name: Schulze, Sebastian
last_name: Schulze
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Frank
full_name: Grüter, Frank
last_name: Grüter
citation:
ama: Schulze S, Sextro W, Grüter F. Contact Modeling in Multibody Systems with Elastic
Bodies in High-Frequency Applications. PAMM. 2014;14(1):39-40. doi:10.1002/pamm.201410012
apa: Schulze, S., Sextro, W., & Grüter, F. (2014). Contact Modeling in Multibody
Systems with Elastic Bodies in High-Frequency Applications. PAMM, 14(1),
39–40. https://doi.org/10.1002/pamm.201410012
bibtex: '@article{Schulze_Sextro_Grüter_2014, title={Contact Modeling in Multibody
Systems with Elastic Bodies in High-Frequency Applications}, volume={14}, DOI={10.1002/pamm.201410012}, number={1},
journal={PAMM}, publisher={WILEY-VCH Verlag}, author={Schulze, Sebastian and Sextro,
Walter and Grüter, Frank}, year={2014}, pages={39–40} }'
chicago: 'Schulze, Sebastian, Walter Sextro, and Frank Grüter. “Contact Modeling
in Multibody Systems with Elastic Bodies in High-Frequency Applications.” PAMM
14, no. 1 (2014): 39–40. https://doi.org/10.1002/pamm.201410012.'
ieee: S. Schulze, W. Sextro, and F. Grüter, “Contact Modeling in Multibody Systems
with Elastic Bodies in High-Frequency Applications,” PAMM, vol. 14, no.
1, pp. 39–40, 2014.
mla: Schulze, Sebastian, et al. “Contact Modeling in Multibody Systems with Elastic
Bodies in High-Frequency Applications.” PAMM, vol. 14, no. 1, WILEY-VCH
Verlag, 2014, pp. 39–40, doi:10.1002/pamm.201410012.
short: S. Schulze, W. Sextro, F. Grüter, PAMM 14 (2014) 39–40.
date_created: 2019-05-20T13:24:00Z
date_updated: 2019-05-20T13:24:59Z
department:
- _id: '151'
doi: 10.1002/pamm.201410012
intvolume: ' 14'
issue: '1'
language:
- iso: eng
page: 39-40
publication: PAMM
publication_identifier:
issn:
- 1617-7061
publisher: WILEY-VCH Verlag
status: public
title: Contact Modeling in Multibody Systems with Elastic Bodies in High-Frequency
Applications
type: journal_article
user_id: '55222'
volume: 14
year: '2014'
...
---
_id: '9889'
abstract:
- lang: eng
text: A measurement method is presented that combines the advantages of the multisine
measurement technique with a prediction method for peak bending behavior. This
combination allows the analysis of the dynamic behavior of mechanical structures
at distinctly reduced measurement durations and has the advantage of reducing
high excitation impacts on the structure under test.
author:
- first_name: Christian
full_name: Sprock, Christian
last_name: Sprock
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Sprock C, Sextro W. Time-efficient dynamic analysis of structures exhibiting
nonlinear peak bending. In: Instrumentation and Measurement Technology Conference
(I2MTC) Proceedings, 2014 IEEE International. ; 2014:320-324. doi:10.1109/I2MTC.2014.6860760'
apa: Sprock, C., & Sextro, W. (2014). Time-efficient dynamic analysis of structures
exhibiting nonlinear peak bending. In Instrumentation and Measurement Technology
Conference (I2MTC) Proceedings, 2014 IEEE International (pp. 320–324). https://doi.org/10.1109/I2MTC.2014.6860760
bibtex: '@inproceedings{Sprock_Sextro_2014, title={Time-efficient dynamic analysis
of structures exhibiting nonlinear peak bending}, DOI={10.1109/I2MTC.2014.6860760},
booktitle={Instrumentation and Measurement Technology Conference (I2MTC) Proceedings,
2014 IEEE International}, author={Sprock, Christian and Sextro, Walter}, year={2014},
pages={320–324} }'
chicago: Sprock, Christian, and Walter Sextro. “Time-Efficient Dynamic Analysis
of Structures Exhibiting Nonlinear Peak Bending.” In Instrumentation and Measurement
Technology Conference (I2MTC) Proceedings, 2014 IEEE International, 320–24,
2014. https://doi.org/10.1109/I2MTC.2014.6860760.
ieee: C. Sprock and W. Sextro, “Time-efficient dynamic analysis of structures exhibiting
nonlinear peak bending,” in Instrumentation and Measurement Technology Conference
(I2MTC) Proceedings, 2014 IEEE International, 2014, pp. 320–324.
mla: Sprock, Christian, and Walter Sextro. “Time-Efficient Dynamic Analysis of Structures
Exhibiting Nonlinear Peak Bending.” Instrumentation and Measurement Technology
Conference (I2MTC) Proceedings, 2014 IEEE International, 2014, pp. 320–24,
doi:10.1109/I2MTC.2014.6860760.
short: 'C. Sprock, W. Sextro, in: Instrumentation and Measurement Technology Conference
(I2MTC) Proceedings, 2014 IEEE International, 2014, pp. 320–324.'
date_created: 2019-05-20T13:25:22Z
date_updated: 2019-05-20T13:25:53Z
department:
- _id: '151'
doi: 10.1109/I2MTC.2014.6860760
keyword:
- bending
- dynamic testing
- measurement
- structural engineering
- vibrations
- measurement durations
- mechanical structures
- multisine measurement technique
- nonlinear peak bending behavior
- prediction method
- time-efficient dynamic analysis
- Heuristic algorithms
- Nonlinear systems
- Oscillators
- Time measurement
- Time-frequency analysis
- Vibrations
language:
- iso: eng
page: 320-324
publication: Instrumentation and Measurement Technology Conference (I2MTC) Proceedings,
2014 IEEE International
status: public
title: Time-efficient dynamic analysis of structures exhibiting nonlinear peak bending
type: conference
user_id: '55222'
year: '2014'
...
---
_id: '9890'
abstract:
- lang: eng
text: Many nonlinear mechanical oscillators show excitation-dependent behavior.
In this paper, a new measurement approach is presented to analyze such structures.
The main advantage of the presented method is the high efficiency, since measurement
duration and loads to the structure are significantly reduced.
author:
- first_name: Christian
full_name: Sprock, Christian
last_name: Sprock
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Sprock C, Sextro W. Time-efficient analysis of nonlinear dynamic behavior.
In: Proceedings in Applied Mathematics and Mechanics 14 (2014), Nr. 1,.
; 2014:293-294.'
apa: Sprock, C., & Sextro, W. (2014). Time-efficient analysis of nonlinear dynamic
behavior. In Proceedings in Applied Mathematics and Mechanics 14 (2014), Nr.
1, (pp. 293–294).
bibtex: '@inproceedings{Sprock_Sextro_2014, title={Time-efficient analysis of nonlinear
dynamic behavior.}, booktitle={Proceedings in Applied Mathematics and Mechanics
14 (2014), Nr. 1,}, author={Sprock, Christian and Sextro, Walter}, year={2014},
pages={293–294} }'
chicago: Sprock, Christian, and Walter Sextro. “Time-Efficient Analysis of Nonlinear
Dynamic Behavior.” In Proceedings in Applied Mathematics and Mechanics 14 (2014),
Nr. 1, 293–94, 2014.
ieee: C. Sprock and W. Sextro, “Time-efficient analysis of nonlinear dynamic behavior.,”
in Proceedings in Applied Mathematics and Mechanics 14 (2014), Nr. 1, 2014,
pp. 293–294.
mla: Sprock, Christian, and Walter Sextro. “Time-Efficient Analysis of Nonlinear
Dynamic Behavior.” Proceedings in Applied Mathematics and Mechanics 14 (2014),
Nr. 1, 2014, pp. 293–94.
short: 'C. Sprock, W. Sextro, in: Proceedings in Applied Mathematics and Mechanics
14 (2014), Nr. 1, 2014, pp. 293–294.'
date_created: 2019-05-20T13:26:56Z
date_updated: 2019-05-20T13:27:29Z
department:
- _id: '151'
language:
- iso: eng
page: 293-294
publication: Proceedings in Applied Mathematics and Mechanics 14 (2014), Nr. 1,
status: public
title: Time-efficient analysis of nonlinear dynamic behavior.
type: conference
user_id: '55222'
year: '2014'
...
---
_id: '9891'
abstract:
- lang: eng
text: A measurement method is presented that combines the advantages of the multisine
measurement technique with a prediction method for peak bending behavior. This
combination allows the analysis of the dynamic behavior of mechanical structures
at distinctly reduced measurement durations and has the advantage of reducing
high excitation impacts on the structure under test. After a brief presentation
of the algorithm, the validity scope of the approach is investigated with emphasis
on an exemplary error investigation.
author:
- first_name: Christian
full_name: Sprock, Christian
last_name: Sprock
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Sprock C, Sextro W. Time-efficient analysis of nonlinear peak bending behavior.
In: Proceedings of ISMA - International Conference of Noise and Vibration.
2014. ; 2014:1-8.'
apa: Sprock, C., & Sextro, W. (2014). Time-efficient analysis of nonlinear peak
bending behavior. In Proceedings of ISMA - International Conference of Noise
and Vibration. 2014 (pp. 1–8).
bibtex: '@inproceedings{Sprock_Sextro_2014, title={Time-efficient analysis of nonlinear
peak bending behavior.}, booktitle={Proceedings of ISMA - International Conference
of Noise and Vibration. 2014}, author={Sprock, Christian and Sextro, Walter},
year={2014}, pages={1–8} }'
chicago: Sprock, Christian, and Walter Sextro. “Time-Efficient Analysis of Nonlinear
Peak Bending Behavior.” In Proceedings of ISMA - International Conference of
Noise and Vibration. 2014, 1–8, 2014.
ieee: C. Sprock and W. Sextro, “Time-efficient analysis of nonlinear peak bending
behavior.,” in Proceedings of ISMA - International Conference of Noise and
Vibration. 2014, 2014, pp. 1–8.
mla: Sprock, Christian, and Walter Sextro. “Time-Efficient Analysis of Nonlinear
Peak Bending Behavior.” Proceedings of ISMA - International Conference of Noise
and Vibration. 2014, 2014, pp. 1–8.
short: 'C. Sprock, W. Sextro, in: Proceedings of ISMA - International Conference
of Noise and Vibration. 2014, 2014, pp. 1–8.'
date_created: 2019-05-20T13:26:57Z
date_updated: 2019-05-20T13:28:24Z
department:
- _id: '151'
language:
- iso: eng
page: 1-8
publication: Proceedings of ISMA - International Conference of Noise and Vibration.
2014
status: public
title: Time-efficient analysis of nonlinear peak bending behavior.
type: conference
user_id: '55222'
year: '2014'
...
---
_id: '9892'
author:
- first_name: Christian
full_name: Sprock, Christian
last_name: Sprock
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Sprock C, Sextro W. Vibration Analysis of Mechanical Structures using Multisine
Excitation Techniques. In: Proceedings of 31st Danubia-Adria Symposium. 2014.
; 2014.'
apa: Sprock, C., & Sextro, W. (2014). Vibration Analysis of Mechanical Structures
using Multisine Excitation Techniques. In Proceedings of 31st Danubia-Adria
Symposium. 2014.
bibtex: '@inproceedings{Sprock_Sextro_2014, title={Vibration Analysis of Mechanical
Structures using Multisine Excitation Techniques}, booktitle={Proceedings of 31st
Danubia-Adria Symposium. 2014}, author={Sprock, Christian and Sextro, Walter},
year={2014} }'
chicago: Sprock, Christian, and Walter Sextro. “Vibration Analysis of Mechanical
Structures Using Multisine Excitation Techniques.” In Proceedings of 31st Danubia-Adria
Symposium. 2014, 2014.
ieee: C. Sprock and W. Sextro, “Vibration Analysis of Mechanical Structures using
Multisine Excitation Techniques,” in Proceedings of 31st Danubia-Adria Symposium.
2014, 2014.
mla: Sprock, Christian, and Walter Sextro. “Vibration Analysis of Mechanical Structures
Using Multisine Excitation Techniques.” Proceedings of 31st Danubia-Adria Symposium.
2014, 2014.
short: 'C. Sprock, W. Sextro, in: Proceedings of 31st Danubia-Adria Symposium. 2014,
2014.'
date_created: 2019-05-20T13:26:59Z
date_updated: 2019-09-16T10:56:34Z
department:
- _id: '151'
language:
- iso: eng
publication: Proceedings of 31st Danubia-Adria Symposium. 2014
quality_controlled: '1'
status: public
title: Vibration Analysis of Mechanical Structures using Multisine Excitation Techniques
type: conference
user_id: '55222'
year: '2014'
...
---
_id: '9893'
author:
- first_name: Ansgar
full_name: Trächtler, Ansgar
last_name: Trächtler
- first_name: Christian
full_name: Hölscher, Christian
last_name: Hölscher
- first_name: Christoph
full_name: Rasche, Christoph
last_name: Rasche
- first_name: Claudia
full_name: Priesterjahn, Claudia
last_name: Priesterjahn
- first_name: Detmar
full_name: Zimmer, Detmar
last_name: Zimmer
- first_name: Jan
full_name: Henning Keßler, Jan
last_name: Henning Keßler
- first_name: Katharin
full_name: Stahl, Katharin
last_name: Stahl
- first_name: Kathrin
full_name: Flaßkamp, Kathrin
last_name: Flaßkamp
- first_name: Mareen
full_name: Vaßholz, Mareen
last_name: Vaßholz
- first_name: Martin
full_name: Krüger, Martin
last_name: Krüger
- first_name: Michael
full_name: Dellnitz, Michael
last_name: Dellnitz
- first_name: Peter
full_name: Iwanek, Peter
last_name: Iwanek
- first_name: Peter
full_name: Reinold, Peter
last_name: Reinold
- first_name: Philip
full_name: Hartmann, Philip
last_name: Hartmann
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Trächtler A, Hölscher C, Rasche C, et al. Introduction to Self-optimization
and Dependability. In: Gausemeier J, Josef Rammig F, Schäfer W, Sextro W, eds.
Dependability of Self-Optimizing Mechatronic Systems. Lecture Notes in
Mechanical Engineering. Springer Berlin Heidelberg; 2014:1-24. doi:10.1007/978-3-642-53742-4_1'
apa: Trächtler, A., Hölscher, C., Rasche, C., Priesterjahn, C., Zimmer, D., Henning
Keßler, J., … Sextro, W. (2014). Introduction to Self-optimization and Dependability.
In J. Gausemeier, F. Josef Rammig, W. Schäfer, & W. Sextro (Eds.), Dependability
of Self-Optimizing Mechatronic Systems (pp. 1–24). Springer Berlin Heidelberg.
https://doi.org/10.1007/978-3-642-53742-4_1
bibtex: '@inbook{Trächtler_Hölscher_Rasche_Priesterjahn_Zimmer_Henning Keßler_Stahl_Flaßkamp_Vaßholz_Krüger_et
al._2014, series={Lecture Notes in Mechanical Engineering}, title={Introduction
to Self-optimization and Dependability}, DOI={10.1007/978-3-642-53742-4_1},
booktitle={Dependability of Self-Optimizing Mechatronic Systems}, publisher={Springer
Berlin Heidelberg}, author={Trächtler, Ansgar and Hölscher, Christian and Rasche,
Christoph and Priesterjahn, Claudia and Zimmer, Detmar and Henning Keßler, Jan
and Stahl, Katharin and Flaßkamp, Kathrin and Vaßholz, Mareen and Krüger, Martin
and et al.}, editor={Gausemeier, Jürgen and Josef Rammig, Franz and Schäfer, Wilhelm
and Sextro, WalterEditors}, year={2014}, pages={1–24}, collection={Lecture Notes
in Mechanical Engineering} }'
chicago: Trächtler, Ansgar, Christian Hölscher, Christoph Rasche, Claudia Priesterjahn,
Detmar Zimmer, Jan Henning Keßler, Katharin Stahl, et al. “Introduction to Self-Optimization
and Dependability.” In Dependability of Self-Optimizing Mechatronic Systems,
edited by Jürgen Gausemeier, Franz Josef Rammig, Wilhelm Schäfer, and Walter Sextro,
1–24. Lecture Notes in Mechanical Engineering. Springer Berlin Heidelberg, 2014.
https://doi.org/10.1007/978-3-642-53742-4_1.
ieee: A. Trächtler et al., “Introduction to Self-optimization and Dependability,”
in Dependability of Self-Optimizing Mechatronic Systems, J. Gausemeier,
F. Josef Rammig, W. Schäfer, and W. Sextro, Eds. Springer Berlin Heidelberg, 2014,
pp. 1–24.
mla: Trächtler, Ansgar, et al. “Introduction to Self-Optimization and Dependability.”
Dependability of Self-Optimizing Mechatronic Systems, edited by Jürgen
Gausemeier et al., Springer Berlin Heidelberg, 2014, pp. 1–24, doi:10.1007/978-3-642-53742-4_1.
short: 'A. Trächtler, C. Hölscher, C. Rasche, C. Priesterjahn, D. Zimmer, J. Henning
Keßler, K. Stahl, K. Flaßkamp, M. Vaßholz, M. Krüger, M. Dellnitz, P. Iwanek,
P. Reinold, P. Hartmann, T. Meyer, W. Sextro, in: J. Gausemeier, F. Josef Rammig,
W. Schäfer, W. Sextro (Eds.), Dependability of Self-Optimizing Mechatronic Systems,
Springer Berlin Heidelberg, 2014, pp. 1–24.'
date_created: 2019-05-20T13:29:24Z
date_updated: 2019-05-20T13:32:38Z
department:
- _id: '151'
doi: 10.1007/978-3-642-53742-4_1
editor:
- first_name: Jürgen
full_name: Gausemeier, Jürgen
last_name: Gausemeier
- first_name: Franz
full_name: Josef Rammig, Franz
last_name: Josef Rammig
- first_name: Wilhelm
full_name: Schäfer, Wilhelm
last_name: Schäfer
- first_name: Walter
full_name: Sextro, Walter
last_name: Sextro
language:
- iso: eng
page: 1-24
publication: Dependability of Self-Optimizing Mechatronic Systems
publication_identifier:
isbn:
- 978-3-642-53741-7
publisher: Springer Berlin Heidelberg
series_title: Lecture Notes in Mechanical Engineering
status: public
title: Introduction to Self-optimization and Dependability
type: book_chapter
user_id: '55222'
year: '2014'
...
---
_id: '9894'
author:
- first_name: Ansgar
full_name: Trächtler, Ansgar
last_name: Trächtler
- first_name: Bernd
full_name: Kleinjohann, Bernd
last_name: Kleinjohann
- first_name: Christian
full_name: Heinzemann, Christian
last_name: Heinzemann
- first_name: Christoph
full_name: Rasche, Christoph
last_name: Rasche
- first_name: Claudia
full_name: Priesterjahn, Claudia
last_name: Priesterjahn
- first_name: Dominik
full_name: Steenken, Dominik
last_name: Steenken
- first_name: Heike
full_name: Wehrheim, Heike
last_name: Wehrheim
- first_name: Jürgen
full_name: Gausemeier, Jürgen
last_name: Gausemeier
- first_name: Kathrin
full_name: Flaßkamp, Kathrin
last_name: Flaßkamp
- first_name: Lisa
full_name: Kleinjohann, Lisa
last_name: Kleinjohann
- first_name: Martin
full_name: Krüger, Martin
last_name: Krüger
- first_name: Peter
full_name: Iwanek, Peter
last_name: Iwanek
- first_name: Philip
full_name: Hartmann, Philip
last_name: Hartmann
- first_name: Rafal
full_name: Dorociak, Rafal
last_name: Dorociak
- first_name: Stefan
full_name: Groesbrink, Stefan
last_name: Groesbrink
- first_name: Steffen
full_name: Ziegert, Steffen
last_name: Ziegert
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Wilhelm
full_name: Schäfer, Wilhelm
last_name: Schäfer
citation:
ama: 'Trächtler A, Kleinjohann B, Heinzemann C, et al. Case Study. In: Gausemeier
J, Josef Rammig F, Schäfer W, Sextro W, eds. Dependability of Self-Optimizing
Mechatronic Systems. Lecture Notes in Mechanical Engineering. Springer Berlin
Heidelberg; 2014:173-188. doi:10.1007/978-3-642-53742-4_4'
apa: Trächtler, A., Kleinjohann, B., Heinzemann, C., Rasche, C., Priesterjahn, C.,
Steenken, D., … Schäfer, W. (2014). Case Study. In J. Gausemeier, F. Josef Rammig,
W. Schäfer, & W. Sextro (Eds.), Dependability of Self-Optimizing Mechatronic
Systems (pp. 173–188). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-53742-4_4
bibtex: '@inbook{Trächtler_Kleinjohann_Heinzemann_Rasche_Priesterjahn_Steenken_Wehrheim_Gausemeier_Flaßkamp_Kleinjohann_et
al._2014, series={Lecture Notes in Mechanical Engineering}, title={Case Study},
DOI={10.1007/978-3-642-53742-4_4},
booktitle={Dependability of Self-Optimizing Mechatronic Systems}, publisher={Springer
Berlin Heidelberg}, author={Trächtler, Ansgar and Kleinjohann, Bernd and Heinzemann,
Christian and Rasche, Christoph and Priesterjahn, Claudia and Steenken, Dominik
and Wehrheim, Heike and Gausemeier, Jürgen and Flaßkamp, Kathrin and Kleinjohann,
Lisa and et al.}, editor={Gausemeier, Jürgen and Josef Rammig, Franz and Schäfer,
Wilhelm and Sextro, WalterEditors}, year={2014}, pages={173–188}, collection={Lecture
Notes in Mechanical Engineering} }'
chicago: Trächtler, Ansgar, Bernd Kleinjohann, Christian Heinzemann, Christoph Rasche,
Claudia Priesterjahn, Dominik Steenken, Heike Wehrheim, et al. “Case Study.” In
Dependability of Self-Optimizing Mechatronic Systems, edited by Jürgen
Gausemeier, Franz Josef Rammig, Wilhelm Schäfer, and Walter Sextro, 173–88. Lecture
Notes in Mechanical Engineering. Springer Berlin Heidelberg, 2014. https://doi.org/10.1007/978-3-642-53742-4_4.
ieee: A. Trächtler et al., “Case Study,” in Dependability of Self-Optimizing
Mechatronic Systems, J. Gausemeier, F. Josef Rammig, W. Schäfer, and W. Sextro,
Eds. Springer Berlin Heidelberg, 2014, pp. 173–188.
mla: Trächtler, Ansgar, et al. “Case Study.” Dependability of Self-Optimizing
Mechatronic Systems, edited by Jürgen Gausemeier et al., Springer Berlin Heidelberg,
2014, pp. 173–88, doi:10.1007/978-3-642-53742-4_4.
short: 'A. Trächtler, B. Kleinjohann, C. Heinzemann, C. Rasche, C. Priesterjahn,
D. Steenken, H. Wehrheim, J. Gausemeier, K. Flaßkamp, L. Kleinjohann, M. Krüger,
P. Iwanek, P. Hartmann, R. Dorociak, S. Groesbrink, S. Ziegert, T. Meyer, W. Sextro,
W. Schäfer, in: J. Gausemeier, F. Josef Rammig, W. Schäfer, W. Sextro (Eds.),
Dependability of Self-Optimizing Mechatronic Systems, Springer Berlin Heidelberg,
2014, pp. 173–188.'
date_created: 2019-05-20T13:29:25Z
date_updated: 2019-05-20T13:34:38Z
department:
- _id: '151'
doi: 10.1007/978-3-642-53742-4_4
editor:
- first_name: Jürgen
full_name: Gausemeier, Jürgen
last_name: Gausemeier
- first_name: Franz
full_name: Josef Rammig, Franz
last_name: Josef Rammig
- first_name: Wilhelm
full_name: Schäfer, Wilhelm
last_name: Schäfer
- first_name: Walter
full_name: Sextro, Walter
last_name: Sextro
language:
- iso: eng
page: 173-188
publication: Dependability of Self-Optimizing Mechatronic Systems
publication_identifier:
isbn:
- 978-3-642-53741-7
publisher: Springer Berlin Heidelberg
series_title: Lecture Notes in Mechanical Engineering
status: public
title: Case Study
type: book_chapter
user_id: '55222'
year: '2014'
...
---
_id: '9895'
abstract:
- lang: eng
text: Power semiconductor modules are used to control and switch high electrical
currents and voltages. Within the power module package wire bonding is used as
an interconnection technology. In recent years, aluminum wire has been used preferably,
but an ever-growing market of powerful and efficient power modules requires a
material with better mechanical and electrical properties. For this reason, a
technology change from aluminum to copper is indispensable. However, the copper
wire bonding process reacts more sensitive to parameter changes. This makes manufacturing
reliable copper bond connections a challenging task. The aim of the BMBF funded
project Itsowl-InCuB is the development of self-optimizing techniques to enable
the reliable production of copper bond connections under varying conditions. A
model of the process is essential to achieve this aim. This model needs to include
the dynamic elasto-plastic deformation, the ultrasonic softening effect and the
proceeding adhesion between wire and substrate. This paper focusses on the pre-deformation
process. In the touchdown phase, the wire is pressed into the V-groove of the
tool and a small initial contact area between wire and substrate arise. The local
characteristics of the material change abruptly because of the cold forming. Consequently,
the pre-deformation has a strong effect on the joining process. In [1], a pre-cleaning
effect during the touchdown process of aluminum wires by cracking of oxide layers
was presented. These interactions of the process parameters are still largely
unknown for copper. In a first step, this paper validates the importance of modeling
the pre-deformation by showing its impact on the wire deformation characteristic
experimentally. Creating cross-section views of pre-deformed copper wires has
shown a low deformation degree compared to aluminum. By using a digital microscope
and a scanning confocal microscope an analysis about the contact areas and penetration
depths after touchdown has been made. Additionally, it has to be taken into account
that the dynamical touchdown force depends on the touchdown speed and the touchdown
force set in the bonding machine. In order to measure the overshoot in the force
signals, a strain gauge sensor has been used. Subsequently, the affecting factors
have been interpreted independently Furthermore, the material properties of copper
wire have been investigated with tensile tests and hardness measurements. In a
second step, the paper presents finite element models of the touchdown process
for source and destination bonds. These models take the measured overshoot in
the touchdown forces into account. A multi-linear, isotropic material model has
been selected to map the material properties of the copper. A validation of the
model with the experimental determined contact areas, normal pressures and penetration
depths reveals the high model quality. Thus, the simulation is able to calculate
and visualize the three dimensional pre-deformation with an integrated material
parameter of the wire if the touchdown parameters of the bonding machine are known.
Based on the calculated deformation degrees of wire and substrate, it is probably
possible to investigate the effect of the pre-deformation on the pre-cleaning
phase in the copper wire bonding.
author:
- first_name: Andreas
full_name: Unger, Andreas
last_name: Unger
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Simon
full_name: Althoff, Simon
last_name: Althoff
- first_name: Paul
full_name: Eichwald, Paul
last_name: Eichwald
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Florian
full_name: Eacock, Florian
last_name: Eacock
- first_name: Michael
full_name: Brökelmann, Michael
last_name: Brökelmann
citation:
ama: 'Unger A, Sextro W, Althoff S, et al. Experimental and Numerical Simulation
Study of Pre-Deformed Heavy Copper Wire Wedge Bonds. In: Proceedings of the
47th International Symposium on Microelectronics (IMAPS). San Diego, CA, US;
2014:289-294.'
apa: Unger, A., Sextro, W., Althoff, S., Eichwald, P., Meyer, T., Eacock, F., &
Brökelmann, M. (2014). Experimental and Numerical Simulation Study of Pre-Deformed
Heavy Copper Wire Wedge Bonds. In Proceedings of the 47th International Symposium
on Microelectronics (IMAPS) (pp. 289–294). San Diego, CA, US.
bibtex: '@inproceedings{Unger_Sextro_Althoff_Eichwald_Meyer_Eacock_Brökelmann_2014,
place={San Diego, CA, US}, title={Experimental and Numerical Simulation Study
of Pre-Deformed Heavy Copper Wire Wedge Bonds}, booktitle={Proceedings of the
47th International Symposium on Microelectronics (IMAPS)}, author={Unger, Andreas
and Sextro, Walter and Althoff, Simon and Eichwald, Paul and Meyer, Tobias and
Eacock, Florian and Brökelmann, Michael}, year={2014}, pages={289–294} }'
chicago: Unger, Andreas, Walter Sextro, Simon Althoff, Paul Eichwald, Tobias Meyer,
Florian Eacock, and Michael Brökelmann. “Experimental and Numerical Simulation
Study of Pre-Deformed Heavy Copper Wire Wedge Bonds.” In Proceedings of the
47th International Symposium on Microelectronics (IMAPS), 289–94. San Diego,
CA, US, 2014.
ieee: A. Unger et al., “Experimental and Numerical Simulation Study of Pre-Deformed
Heavy Copper Wire Wedge Bonds,” in Proceedings of the 47th International Symposium
on Microelectronics (IMAPS), 2014, pp. 289–294.
mla: Unger, Andreas, et al. “Experimental and Numerical Simulation Study of Pre-Deformed
Heavy Copper Wire Wedge Bonds.” Proceedings of the 47th International Symposium
on Microelectronics (IMAPS), 2014, pp. 289–94.
short: 'A. Unger, W. Sextro, S. Althoff, P. Eichwald, T. Meyer, F. Eacock, M. Brökelmann,
in: Proceedings of the 47th International Symposium on Microelectronics (IMAPS),
San Diego, CA, US, 2014, pp. 289–294.'
date_created: 2019-05-20T13:35:09Z
date_updated: 2020-05-07T05:33:47Z
department:
- _id: '151'
keyword:
- pre-deformation
- copper wire bonding
- finite element model
language:
- iso: eng
page: 289-294
place: San Diego, CA, US
project:
- _id: '92'
grant_number: 02 PQ2210
name: Intelligente Herstellung zuverlässiger Kupferbondverbindungen
publication: Proceedings of the 47th International Symposium on Microelectronics (IMAPS)
status: public
title: Experimental and Numerical Simulation Study of Pre-Deformed Heavy Copper Wire
Wedge Bonds
type: conference
user_id: '210'
year: '2014'
...
---
_id: '9896'
abstract:
- lang: eng
text: In power electronics, ultrasonic wire bonding is used to connect the electrical
terminals of power modules. To implement a self-optimization technique for ultrasonic
wire bonding machines, a model of the process is essential. This model needs to
include the so called ultrasonic softening effect. It is a key effect within the
wire bonding process primarily enabling the robust interconnection between the
wire and a substrate. However, the physical modeling of the ultrasonic softening
effect is notoriously difficult because of its highly non-linear character and
the absence of a proper measurement method. In a first step, this paper validates
the importance of modeling the ultrasonic softening by showing its impact on the
wire deformation characteristic experimentally. In a second step, the paper presents
a data-driven model of the ultrasonic softening effect which is constructed from
data using machine learning techniques. A typical caveat of data-driven modeling
is the need for training data that cover the considered domain of process parameters
in order to achieve accurate generalization of the trained model to new process
configurations. In practice, however, the space of process parameters can only
be sampled sparsely. In this paper, a novel technique is applied which enables
the integration of prior knowledge about the process into the datadriven modeling
process. It turns out that this approach results in accurate generalization of
the data-driven model to unseen process parameters from sparse data.
author:
- first_name: Andreas
full_name: Unger, Andreas
last_name: Unger
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Simon
full_name: Althoff, Simon
last_name: Althoff
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Michael
full_name: Brökelmann, Michael
last_name: Brökelmann
- first_name: Klaus
full_name: Neumann, Klaus
last_name: Neumann
- first_name: René Felix
full_name: Reimann, René Felix
last_name: Reimann
- first_name: Karsten
full_name: Guth, Karsten
last_name: Guth
- first_name: Daniel
full_name: Bolowski, Daniel
last_name: Bolowski
citation:
ama: 'Unger A, Sextro W, Althoff S, et al. Data-driven Modeling of the Ultrasonic
Softening Effect for Robust Copper Wire Bonding. In: Proceedings of 8th International
Conference on Integrated Power Electronic Systems. Vol 141. ; 2014:175-180.'
apa: Unger, A., Sextro, W., Althoff, S., Meyer, T., Brökelmann, M., Neumann, K.,
… Bolowski, D. (2014). Data-driven Modeling of the Ultrasonic Softening Effect
for Robust Copper Wire Bonding. In Proceedings of 8th International Conference
on Integrated Power Electronic Systems (Vol. 141, pp. 175–180).
bibtex: '@inproceedings{Unger_Sextro_Althoff_Meyer_Brökelmann_Neumann_Reimann_Guth_Bolowski_2014,
title={Data-driven Modeling of the Ultrasonic Softening Effect for Robust Copper
Wire Bonding}, volume={141}, booktitle={Proceedings of 8th International Conference
on Integrated Power Electronic Systems}, author={Unger, Andreas and Sextro, Walter
and Althoff, Simon and Meyer, Tobias and Brökelmann, Michael and Neumann, Klaus
and Reimann, René Felix and Guth, Karsten and Bolowski, Daniel}, year={2014},
pages={175–180} }'
chicago: Unger, Andreas, Walter Sextro, Simon Althoff, Tobias Meyer, Michael Brökelmann,
Klaus Neumann, René Felix Reimann, Karsten Guth, and Daniel Bolowski. “Data-Driven
Modeling of the Ultrasonic Softening Effect for Robust Copper Wire Bonding.” In
Proceedings of 8th International Conference on Integrated Power Electronic
Systems, 141:175–80, 2014.
ieee: A. Unger et al., “Data-driven Modeling of the Ultrasonic Softening
Effect for Robust Copper Wire Bonding,” in Proceedings of 8th International
Conference on Integrated Power Electronic Systems, 2014, vol. 141, pp. 175–180.
mla: Unger, Andreas, et al. “Data-Driven Modeling of the Ultrasonic Softening Effect
for Robust Copper Wire Bonding.” Proceedings of 8th International Conference
on Integrated Power Electronic Systems, vol. 141, 2014, pp. 175–80.
short: 'A. Unger, W. Sextro, S. Althoff, T. Meyer, M. Brökelmann, K. Neumann, R.F.
Reimann, K. Guth, D. Bolowski, in: Proceedings of 8th International Conference
on Integrated Power Electronic Systems, 2014, pp. 175–180.'
date_created: 2019-05-20T13:38:10Z
date_updated: 2020-05-07T05:33:47Z
department:
- _id: '151'
intvolume: ' 141'
language:
- iso: eng
page: 175-180
project:
- _id: '92'
grant_number: 02 PQ2210
name: Intelligente Herstellung zuverlässiger Kupferbondverbindungen
publication: Proceedings of 8th International Conference on Integrated Power Electronic
Systems
status: public
title: Data-driven Modeling of the Ultrasonic Softening Effect for Robust Copper Wire
Bonding
type: conference
user_id: '210'
volume: 141
year: '2014'
...
---
_id: '26973'
abstract:
- lang: eng
text: Self-optimizing mechatronic systems allow the adaptation of the system’s behavior
to the current situation. This can be used to actively adapt the behavior to the
current degradation state of the system or of some of its components. To this
end, the Multi-Level Dependability Concept has been developed. In this contribution,
we show how the Multi-Level Dependability Concept has been applied to the active
suspension module of an innovative rail-bound vehicle. For this module, the usage
of control reconfiguration, which is a novel approach to exploit complex redundancy
systems, is required. We show that by combining self-optimization with the possibilities
given by control reconfiguration, the dependability of a complex mechatronic system
can be greatly improved.
author:
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Jan Henning
full_name: Kessler, Jan Henning
last_name: Kessler
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Ansgar
full_name: Trächtler, Ansgar
id: '552'
last_name: Trächtler
citation:
ama: 'Meyer T, Kessler JH, Sextro W, Trächtler A. Increasing Intelligent Systems’
Reliability by using Reconfiguration. In: The Annual Reliability and Maintainability
Symposium (RAMS). ; 2013.'
apa: Meyer, T., Kessler, J. H., Sextro, W., & Trächtler, A. (2013). Increasing
Intelligent Systems’ Reliability by using Reconfiguration. The Annual Reliability
and Maintainability Symposium (RAMS).
bibtex: '@inproceedings{Meyer_Kessler_Sextro_Trächtler_2013, title={Increasing Intelligent
Systems’ Reliability by using Reconfiguration}, booktitle={The Annual Reliability
and Maintainability Symposium (RAMS)}, author={Meyer, Tobias and Kessler, Jan
Henning and Sextro, Walter and Trächtler, Ansgar}, year={2013} }'
chicago: Meyer, Tobias, Jan Henning Kessler, Walter Sextro, and Ansgar Trächtler.
“Increasing Intelligent Systems’ Reliability by Using Reconfiguration.” In The
Annual Reliability and Maintainability Symposium (RAMS), 2013.
ieee: T. Meyer, J. H. Kessler, W. Sextro, and A. Trächtler, “Increasing Intelligent
Systems’ Reliability by using Reconfiguration,” 2013.
mla: Meyer, Tobias, et al. “Increasing Intelligent Systems’ Reliability by Using
Reconfiguration.” The Annual Reliability and Maintainability Symposium (RAMS),
2013.
short: 'T. Meyer, J.H. Kessler, W. Sextro, A. Trächtler, in: The Annual Reliability
and Maintainability Symposium (RAMS), 2013.'
date_created: 2021-10-27T10:55:46Z
date_updated: 2022-01-06T06:57:31Z
department:
- _id: '675'
language:
- iso: eng
publication: The Annual Reliability and Maintainability Symposium (RAMS)
status: public
title: Increasing Intelligent Systems’ Reliability by using Reconfiguration
type: conference
user_id: '21240'
year: '2013'
...
---
_id: '23139'
author:
- first_name: Jan Henning
full_name: Kessler, Jan Henning
last_name: Kessler
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Christoph
full_name: Sondermann-Wölke, Christoph
last_name: Sondermann-Wölke
- first_name: Ansgar
full_name: Trächtler, Ansgar
id: '552'
last_name: Trächtler
citation:
ama: 'Kessler JH, Meyer T, Sextro W, Sondermann-Wölke C, Trächtler A. Increasing
the Dependability of Self-Optimizing Systems During Operation Using the Multi-Level
Dependability Concept. In: Dependability of Self-Optimizing Mechatronic Systems.
Springer-Verlag, Heidelberg, Germany; 2013:55-62.'
apa: Kessler, J. H., Meyer, T., Sextro, W., Sondermann-Wölke, C., & Trächtler,
A. (2013). Increasing the Dependability of Self-Optimizing Systems During Operation
Using the Multi-Level Dependability Concept. In Dependability of Self-Optimizing
Mechatronic Systems (pp. 55–62). Springer-Verlag, Heidelberg, Germany.
bibtex: '@inbook{Kessler_Meyer_Sextro_Sondermann-Wölke_Trächtler_2013, title={Increasing
the Dependability of Self-Optimizing Systems During Operation Using the Multi-Level
Dependability Concept}, booktitle={Dependability of Self-Optimizing Mechatronic
Systems}, publisher={Springer-Verlag, Heidelberg, Germany}, author={Kessler, Jan
Henning and Meyer, Tobias and Sextro, Walter and Sondermann-Wölke, Christoph and
Trächtler, Ansgar}, year={2013}, pages={55–62} }'
chicago: Kessler, Jan Henning, Tobias Meyer, Walter Sextro, Christoph Sondermann-Wölke,
and Ansgar Trächtler. “Increasing the Dependability of Self-Optimizing Systems
During Operation Using the Multi-Level Dependability Concept.” In Dependability
of Self-Optimizing Mechatronic Systems, 55–62. Springer-Verlag, Heidelberg,
Germany, 2013.
ieee: J. H. Kessler, T. Meyer, W. Sextro, C. Sondermann-Wölke, and A. Trächtler,
“Increasing the Dependability of Self-Optimizing Systems During Operation Using
the Multi-Level Dependability Concept,” in Dependability of Self-Optimizing
Mechatronic Systems, Springer-Verlag, Heidelberg, Germany, 2013, pp. 55–62.
mla: Kessler, Jan Henning, et al. “Increasing the Dependability of Self-Optimizing
Systems During Operation Using the Multi-Level Dependability Concept.” Dependability
of Self-Optimizing Mechatronic Systems, Springer-Verlag, Heidelberg, Germany,
2013, pp. 55–62.
short: 'J.H. Kessler, T. Meyer, W. Sextro, C. Sondermann-Wölke, A. Trächtler, in:
Dependability of Self-Optimizing Mechatronic Systems, Springer-Verlag, Heidelberg,
Germany, 2013, pp. 55–62.'
date_created: 2021-08-09T06:58:09Z
date_updated: 2022-01-06T06:55:46Z
department:
- _id: '153'
language:
- iso: eng
page: 55-62
publication: Dependability of Self-Optimizing Mechatronic Systems
publisher: Springer-Verlag, Heidelberg, Germany
status: public
title: Increasing the Dependability of Self-Optimizing Systems During Operation Using
the Multi-Level Dependability Concept
type: book_chapter
user_id: '24876'
year: '2013'
...
---
_id: '23140'
author:
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Jan Henning
full_name: Kessler, Jan Henning
last_name: Kessler
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Ansgar
full_name: Trächtler, Ansgar
id: '552'
last_name: Trächtler
citation:
ama: 'Meyer T, Kessler JH, Sextro W, Trächtler A. Increasing Intelligent Systems’
Reliability by using Reconfiguration. In: The Annual Reliability and Maintainability
Symposium (RAMS). ; 2013.'
apa: Meyer, T., Kessler, J. H., Sextro, W., & Trächtler, A. (2013). Increasing
Intelligent Systems’ Reliability by using Reconfiguration. In The Annual Reliability
and Maintainability Symposium (RAMS).
bibtex: '@inproceedings{Meyer_Kessler_Sextro_Trächtler_2013, title={Increasing Intelligent
Systems’ Reliability by using Reconfiguration}, booktitle={The Annual Reliability
and Maintainability Symposium (RAMS)}, author={Meyer, Tobias and Kessler, Jan
Henning and Sextro, Walter and Trächtler, Ansgar}, year={2013} }'
chicago: Meyer, Tobias, Jan Henning Kessler, Walter Sextro, and Ansgar Trächtler.
“Increasing Intelligent Systems’ Reliability by Using Reconfiguration.” In The
Annual Reliability and Maintainability Symposium (RAMS), 2013.
ieee: T. Meyer, J. H. Kessler, W. Sextro, and A. Trächtler, “Increasing Intelligent
Systems’ Reliability by using Reconfiguration,” in The Annual Reliability and
Maintainability Symposium (RAMS), 2013.
mla: Meyer, Tobias, et al. “Increasing Intelligent Systems’ Reliability by Using
Reconfiguration.” The Annual Reliability and Maintainability Symposium (RAMS),
2013.
short: 'T. Meyer, J.H. Kessler, W. Sextro, A. Trächtler, in: The Annual Reliability
and Maintainability Symposium (RAMS), 2013.'
date_created: 2021-08-09T06:58:10Z
date_updated: 2022-01-06T06:55:46Z
department:
- _id: '153'
language:
- iso: eng
publication: The Annual Reliability and Maintainability Symposium (RAMS)
status: public
title: Increasing Intelligent Systems’ Reliability by using Reconfiguration
type: conference
user_id: '24876'
year: '2013'
...
---
_id: '23149'
author:
- first_name: Christian
full_name: Hölscher, Christian
last_name: Hölscher
- first_name: Jan Henning
full_name: Kessler, Jan Henning
last_name: Kessler
- first_name: Tobias
full_name: Meyer, Tobias
last_name: Meyer
- first_name: Christoph
full_name: Rasche, Christoph
last_name: Rasche
- first_name: Peter
full_name: Reinold, Peter
last_name: Reinold
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Christoph
full_name: Sondermann-Wölke, Christoph
last_name: Sondermann-Wölke
- first_name: Detmar
full_name: Zimmer, Detmar
id: '604'
last_name: Zimmer
citation:
ama: 'Hölscher C, Kessler JH, Meyer T, et al. Applications of Self-Optimizing Systems.
In: Dependability of Self-Optimizing Mechatronic Systems. Springer-Verlag,
Heidelberg, Germany; 2013:16-22.'
apa: Hölscher, C., Kessler, J. H., Meyer, T., Rasche, C., Reinold, P., Sextro, W.,
… Zimmer, D. (2013). Applications of Self-Optimizing Systems. In Dependability
of Self-Optimizing Mechatronic Systems (pp. 16–22). Springer-Verlag, Heidelberg,
Germany.
bibtex: '@inbook{Hölscher_Kessler_Meyer_Rasche_Reinold_Sextro_Sondermann-Wölke_Zimmer_2013,
title={Applications of Self-Optimizing Systems}, booktitle={Dependability of Self-Optimizing
Mechatronic Systems}, publisher={Springer-Verlag, Heidelberg, Germany}, author={Hölscher,
Christian and Kessler, Jan Henning and Meyer, Tobias and Rasche, Christoph and
Reinold, Peter and Sextro, Walter and Sondermann-Wölke, Christoph and Zimmer,
Detmar}, year={2013}, pages={16–22} }'
chicago: Hölscher, Christian, Jan Henning Kessler, Tobias Meyer, Christoph Rasche,
Peter Reinold, Walter Sextro, Christoph Sondermann-Wölke, and Detmar Zimmer. “Applications
of Self-Optimizing Systems.” In Dependability of Self-Optimizing Mechatronic
Systems, 16–22. Springer-Verlag, Heidelberg, Germany, 2013.
ieee: C. Hölscher et al., “Applications of Self-Optimizing Systems,” in Dependability
of Self-Optimizing Mechatronic Systems, Springer-Verlag, Heidelberg, Germany,
2013, pp. 16–22.
mla: Hölscher, Christian, et al. “Applications of Self-Optimizing Systems.” Dependability
of Self-Optimizing Mechatronic Systems, Springer-Verlag, Heidelberg, Germany,
2013, pp. 16–22.
short: 'C. Hölscher, J.H. Kessler, T. Meyer, C. Rasche, P. Reinold, W. Sextro, C.
Sondermann-Wölke, D. Zimmer, in: Dependability of Self-Optimizing Mechatronic
Systems, Springer-Verlag, Heidelberg, Germany, 2013, pp. 16–22.'
date_created: 2021-08-09T06:58:21Z
date_updated: 2022-01-06T06:55:46Z
department:
- _id: '153'
language:
- iso: eng
page: 16-22
publication: Dependability of Self-Optimizing Mechatronic Systems
publisher: Springer-Verlag, Heidelberg, Germany
status: public
title: Applications of Self-Optimizing Systems
type: book_chapter
user_id: '24876'
year: '2013'
...
---
_id: '9794'
abstract:
- lang: eng
text: 'A piezoelectric cantilever beam with a tip mass at its free end is a common
energy harvester configuration. This article introduces a new principle of designing
such a harvester that increases the generated power without changing the resonance
frequency of the harvester: the attraction force between two permanent magnets
is used to add stiffness to the system. This magnetic stiffening counters the
effect of the tip mass on the efficient operation frequency. Five set-ups incorporating
piezoelectric bimorph cantilevers of the same type in different mechanical configurations
are compared theoretically and experimentally to investigate the feasibility of
this principle: theoretical and experimental results show that magnetically stiffened
harvesters have important advantages over conventional set-ups with and without
tip mass. They generate more power while only slightly increasing the deflection
in the piezoelectric harvester and they can be tuned across a wide range of excitation
frequencies.'
author:
- first_name: Waleed
full_name: Al-Ashtari, Waleed
last_name: Al-Ashtari
- first_name: Matthias
full_name: Hunstig, Matthias
last_name: Hunstig
- first_name: Tobias
full_name: Hemsel, Tobias
id: '210'
last_name: Hemsel
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: Al-Ashtari W, Hunstig M, Hemsel T, Sextro W. Increasing the power of piezoelectric
energy harvesters by magnetic stiffening. Journal of Intelligent Material Systems
and Structures. 2013;24(11):1332-1342. doi:10.1177/1045389X13483021
apa: Al-Ashtari, W., Hunstig, M., Hemsel, T., & Sextro, W. (2013). Increasing
the power of piezoelectric energy harvesters by magnetic stiffening. Journal
of Intelligent Material Systems and Structures, 24(11), 1332–1342.
https://doi.org/10.1177/1045389X13483021
bibtex: '@article{Al-Ashtari_Hunstig_Hemsel_Sextro_2013, title={Increasing the power
of piezoelectric energy harvesters by magnetic stiffening}, volume={24}, DOI={10.1177/1045389X13483021},
number={11}, journal={Journal of Intelligent Material Systems and Structures},
author={Al-Ashtari, Waleed and Hunstig, Matthias and Hemsel, Tobias and Sextro,
Walter}, year={2013}, pages={1332–1342} }'
chicago: 'Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro.
“Increasing the Power of Piezoelectric Energy Harvesters by Magnetic Stiffening.”
Journal of Intelligent Material Systems and Structures 24, no. 11 (2013):
1332–42. https://doi.org/10.1177/1045389X13483021.'
ieee: W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Increasing the power
of piezoelectric energy harvesters by magnetic stiffening,” Journal of Intelligent
Material Systems and Structures, vol. 24, no. 11, pp. 1332–1342, 2013.
mla: Al-Ashtari, Waleed, et al. “Increasing the Power of Piezoelectric Energy Harvesters
by Magnetic Stiffening.” Journal of Intelligent Material Systems and Structures,
vol. 24, no. 11, 2013, pp. 1332–42, doi:10.1177/1045389X13483021.
short: W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material
Systems and Structures 24 (2013) 1332–1342.
date_created: 2019-05-13T13:51:00Z
date_updated: 2022-01-06T07:04:20Z
department:
- _id: '151'
doi: 10.1177/1045389X13483021
intvolume: ' 24'
issue: '11'
language:
- iso: eng
page: 1332-1342
publication: Journal of Intelligent Material Systems and Structures
status: public
title: Increasing the power of piezoelectric energy harvesters by magnetic stiffening
type: journal_article
user_id: '55222'
volume: 24
year: '2013'
...
---
_id: '9795'
abstract:
- lang: eng
text: Power and bandwidth of piezoelectric harvesters can be increased by using
multiple piezoelectric elements in one harvester. In this contribution, a novel
energy harvesting cantilever array with magnetic tuning including three piezoelectric
bimorphs is investigated theoretically and experimentally, with a good agreement
between model and experiment. Other than harvester designs proposed before, this
array is easy to manufacture and insensitive to manufacturing tolerances because
its optimum operation frequency can be re-adjusted after fabrication. Using the
superposition principle, the Butterworth-Van Dyke model and a mechanical lumped
parameters model, the generated voltage and current are determined analytically.
Formulas for calculating the power generated by array harvesters with an arbitrary
number of piezoelectric elements connected in series or in parallel are derived.
It is shown that optimum harvester design must take both the connected load and
the operating frequency into account. Strategies for connecting multiple bimorphs
to increase the maximum generated power and/or enhance the bandwidth compared
to a single bimorph harvester are investigated. For bandwidth enhancement it is
essential that individual rectifiers are used for the bimorphs. An example with
three bimorphs shows that, depending on the chosen tuning strategy, the power
is increased by about 340\% or the bandwidth is increased by about 500\%, compared
to one single bimorph.
author:
- first_name: Waleed
full_name: Al-Ashtari, Waleed
last_name: Al-Ashtari
- first_name: Matthias
full_name: Hunstig, Matthias
last_name: Hunstig
- first_name: Tobias
full_name: Hemsel, Tobias
id: '210'
last_name: Hemsel
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Al-Ashtari W, Hunstig M, Hemsel T, Sextro W. Enhanced energy harvesting using
multiple piezoelectric elements: Theory and experiments. Sensors and Actuators
A: Physical. 2013;200:138-146. doi:10.1016/j.sna.2013.01.008'
apa: 'Al-Ashtari, W., Hunstig, M., Hemsel, T., & Sextro, W. (2013). Enhanced
energy harvesting using multiple piezoelectric elements: Theory and experiments.
Sensors and Actuators A: Physical, 200, 138–146. https://doi.org/10.1016/j.sna.2013.01.008'
bibtex: '@article{Al-Ashtari_Hunstig_Hemsel_Sextro_2013, title={Enhanced energy
harvesting using multiple piezoelectric elements: Theory and experiments}, volume={200},
DOI={10.1016/j.sna.2013.01.008},
journal={Sensors and Actuators A: Physical}, author={Al-Ashtari, Waleed and Hunstig,
Matthias and Hemsel, Tobias and Sextro, Walter}, year={2013}, pages={138–146}
}'
chicago: 'Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro.
“Enhanced Energy Harvesting Using Multiple Piezoelectric Elements: Theory and
Experiments.” Sensors and Actuators A: Physical 200 (2013): 138–46. https://doi.org/10.1016/j.sna.2013.01.008.'
ieee: 'W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Enhanced energy harvesting
using multiple piezoelectric elements: Theory and experiments,” Sensors and
Actuators A: Physical, vol. 200, pp. 138–146, 2013.'
mla: 'Al-Ashtari, Waleed, et al. “Enhanced Energy Harvesting Using Multiple Piezoelectric
Elements: Theory and Experiments.” Sensors and Actuators A: Physical, vol.
200, 2013, pp. 138–46, doi:10.1016/j.sna.2013.01.008.'
short: 'W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A:
Physical 200 (2013) 138–146.'
date_created: 2019-05-13T13:51:59Z
date_updated: 2022-01-06T07:04:20Z
department:
- _id: '151'
doi: 10.1016/j.sna.2013.01.008
intvolume: ' 200'
keyword:
- Energy harvesting
- Cantilever array
- Bandwidth
- Power increase
language:
- iso: eng
page: 138 - 146
publication: 'Sensors and Actuators A: Physical'
status: public
title: 'Enhanced energy harvesting using multiple piezoelectric elements: Theory and
experiments'
type: journal_article
user_id: '55222'
volume: 200
year: '2013'
...
---
_id: '9796'
abstract:
- lang: eng
text: 'A basic autonomous system powered by a piezoelectric harvester contains three
components apart from the harvester: a fullwave rectifier, a reservoir capacitor
and an electronic device performing the primary task of the system. In this contribution,
a model describing the operation of such a system is derived. It is found that
in steady-state operation, the piezoelectric harvester experiences two alternating
load conditions due to the rectification process. These alternating load conditions
can have a significant effect on the operation of the harvester and must be considered
in the design of autonomous systems. The results also show that such an autonomous
system works efficiently if it is connected to a high impedance load and excited
by a frequency matching the anti-resonance frequency of the piezoelectric harvester.'
author:
- first_name: Waleed
full_name: Al-Ashtari, Waleed
last_name: Al-Ashtari
- first_name: Matthias
full_name: Hunstig, Matthias
last_name: Hunstig
- first_name: Tobias
full_name: Hemsel, Tobias
id: '210'
last_name: Hemsel
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Al-Ashtari W, Hunstig M, Hemsel T, Sextro W. Characteristics of Piezoelectric
Energy Harvesters in Autonomous Systems. In: Proceedings of 10th International
Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting
Workshop, Hannover, Germany, 14.-17.7.2013. Berichte aus dem IDS. Hannover,
Germany; 2013:159-161.'
apa: Al-Ashtari, W., Hunstig, M., Hemsel, T., & Sextro, W. (2013). Characteristics
of Piezoelectric Energy Harvesters in Autonomous Systems. In Proceedings of
10th International Workshop on Piezoelectric Materials and Applications and 8th
Energy Harvesting Workshop, Hannover, Germany, 14.-17.7.2013 (pp. 159–161).
Hannover, Germany.
bibtex: '@inproceedings{Al-Ashtari_Hunstig_Hemsel_Sextro_2013, place={Hannover,
Germany}, series={Berichte aus dem IDS}, title={Characteristics of Piezoelectric
Energy Harvesters in Autonomous Systems}, number={05/2013}, booktitle={Proceedings
of 10th International Workshop on Piezoelectric Materials and Applications and
8th Energy Harvesting Workshop, Hannover, Germany, 14.-17.7.2013}, author={Al-Ashtari,
Waleed and Hunstig, Matthias and Hemsel, Tobias and Sextro, Walter}, year={2013},
pages={159–161}, collection={Berichte aus dem IDS} }'
chicago: Al-Ashtari, Waleed, Matthias Hunstig, Tobias Hemsel, and Walter Sextro.
“Characteristics of Piezoelectric Energy Harvesters in Autonomous Systems.” In
Proceedings of 10th International Workshop on Piezoelectric Materials and Applications
and 8th Energy Harvesting Workshop, Hannover, Germany, 14.-17.7.2013, 159–61.
Berichte Aus Dem IDS. Hannover, Germany, 2013.
ieee: W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Characteristics of Piezoelectric
Energy Harvesters in Autonomous Systems,” in Proceedings of 10th International
Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting
Workshop, Hannover, Germany, 14.-17.7.2013, 2013, no. 05/2013, pp. 159–161.
mla: Al-Ashtari, Waleed, et al. “Characteristics of Piezoelectric Energy Harvesters
in Autonomous Systems.” Proceedings of 10th International Workshop on Piezoelectric
Materials and Applications and 8th Energy Harvesting Workshop, Hannover, Germany,
14.-17.7.2013, no. 05/2013, 2013, pp. 159–61.
short: 'W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, in: Proceedings of 10th
International Workshop on Piezoelectric Materials and Applications and 8th Energy
Harvesting Workshop, Hannover, Germany, 14.-17.7.2013, Hannover, Germany, 2013,
pp. 159–161.'
date_created: 2019-05-13T13:53:25Z
date_updated: 2022-01-06T07:04:20Z
department:
- _id: '151'
issue: 05/2013
keyword:
- Energy harvesting
- harvester modeling
- load dependence
- generated voltage
language:
- iso: eng
page: 159-161
place: Hannover, Germany
publication: Proceedings of 10th International Workshop on Piezoelectric Materials
and Applications and 8th Energy Harvesting Workshop, Hannover, Germany, 14.-17.7.2013
quality_controlled: '1'
series_title: Berichte aus dem IDS
status: public
title: Characteristics of Piezoelectric Energy Harvesters in Autonomous Systems
type: conference
user_id: '55222'
year: '2013'
...
---
_id: '9797'
abstract:
- lang: eng
text: A model approach for wedge/wedge bonding copper wire is presented. The connection
between wire and substrate is based on a variety of physical effects, but the
dominant one is the friction based welding while applying ultrasound. Consequently,
a friction model was used to investigate the welding process. This model is built
up universal and can be used to describe the formation of micro welds in the time
variant contact area between wire and substrate. Aim of the model is to identify
the interactions between touchdown, bond normal force, ultrasonic power and bonding
time. To do so, the contact area is discretized into partial areas where a Point
Contact Model is applied. Based on this approach it is possible to simulate micro
and macro slip inside the contact area between wire and substrate. The work done
by friction force is a main criterion to define occurring micro joints which influence
the subsequent welding.
author:
- first_name: Simon
full_name: Althoff, Simon
last_name: Althoff
- first_name: Jan
full_name: Neuhaus, Jan
last_name: Neuhaus
- first_name: Tobias
full_name: Hemsel, Tobias
id: '210'
last_name: Hemsel
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
citation:
ama: 'Althoff S, Neuhaus J, Hemsel T, Sextro W. A friction based approach for modeling
wire bonding. In: IMAPS 2013, 46th International Symposium on Microelectronics.
Orlando (Florida), USA; 2013. doi:10.4071/isom-2013-TA67'
apa: Althoff, S., Neuhaus, J., Hemsel, T., & Sextro, W. (2013). A friction based
approach for modeling wire bonding. In IMAPS 2013, 46th International Symposium
on Microelectronics. Orlando (Florida), USA. https://doi.org/10.4071/isom-2013-TA67
bibtex: '@inproceedings{Althoff_Neuhaus_Hemsel_Sextro_2013, place={Orlando (Florida),
USA}, title={A friction based approach for modeling wire bonding}, DOI={10.4071/isom-2013-TA67},
booktitle={IMAPS 2013, 46th International Symposium on Microelectronics}, author={Althoff,
Simon and Neuhaus, Jan and Hemsel, Tobias and Sextro, Walter}, year={2013} }'
chicago: Althoff, Simon, Jan Neuhaus, Tobias Hemsel, and Walter Sextro. “A Friction
Based Approach for Modeling Wire Bonding.” In IMAPS 2013, 46th International
Symposium on Microelectronics. Orlando (Florida), USA, 2013. https://doi.org/10.4071/isom-2013-TA67.
ieee: S. Althoff, J. Neuhaus, T. Hemsel, and W. Sextro, “A friction based approach
for modeling wire bonding,” in IMAPS 2013, 46th International Symposium on
Microelectronics, 2013.
mla: Althoff, Simon, et al. “A Friction Based Approach for Modeling Wire Bonding.”
IMAPS 2013, 46th International Symposium on Microelectronics, 2013, doi:10.4071/isom-2013-TA67.
short: 'S. Althoff, J. Neuhaus, T. Hemsel, W. Sextro, in: IMAPS 2013, 46th International
Symposium on Microelectronics, Orlando (Florida), USA, 2013.'
date_created: 2019-05-13T13:55:36Z
date_updated: 2022-01-06T07:04:20Z
department:
- _id: '151'
doi: 10.4071/isom-2013-TA67
keyword:
- Wire bonding
- friction modeling
- wire bond quality
- contact element modeling
language:
- iso: eng
place: Orlando (Florida), USA
publication: IMAPS 2013, 46th International Symposium on Microelectronics
status: public
title: A friction based approach for modeling wire bonding
type: conference
user_id: '55222'
year: '2013'
...
---
_id: '9799'
abstract:
- lang: eng
text: 'Ultrasonic wire bonding is a common technology for manufacturing electrical
interconnects. In the field of power electronics, new thermal and electrical obligations
arose due to increasing power density requirements. One approach to achieve these
aims is replacing the wire material for heavy wire bonds from aluminum to copper.
This material change leads to challenging tasks and problems, for instance the
occurring wear of the bond tool. The wear is significantly higher using copper
wire instead of aluminum and results in a dramatic loss in the amount of interconnects
which can be produced reliable by a single tool. To reduce setting-up time in
the production and minimizing costs, an enlarged bonding tool lifetime is desirable.
Therefore, the paper discusses the influences of bonding parameters on the wear.
The key question is which of the tasks cannot be fulfilled with increased wear
of the tool, e.g. loss of process capability. The main functions are fixing the
wire in the tool groove, predeformation, applying normal force and transmission
of ultrasonic oscillation to the wire. To identify the most affecting factors,
four bonding parameters are varied and their influences are investigated. These
parameters are: (I) ultrasonic power, (II) tool geometry, (III) the way of tangential
force transmission and (IV) loop trajectory.'
author:
- first_name: Paul
full_name: Eichwald, Paul
last_name: Eichwald
- first_name: Walter
full_name: Sextro, Walter
id: '21220'
last_name: Sextro
- first_name: Simon
full_name: Althoff, Simon
last_name: Althoff
- first_name: Florian
full_name: Eacock, Florian
last_name: Eacock
- first_name: Mark
full_name: Schnietz, Mark
last_name: Schnietz
- first_name: Karsten
full_name: Guth, Karsten
last_name: Guth
- first_name: Michael
full_name: Brökelmann, Michael
last_name: Brökelmann
citation:
ama: 'Eichwald P, Sextro W, Althoff S, et al. Influences of Bonding Parameters on
the Tool Wear for Copper Wire Bonding. In: 15th Electronics Packaging Technology
Conference. ; 2013. doi:10.1109/EPTC.2013.6745803'
apa: Eichwald, P., Sextro, W., Althoff, S., Eacock, F., Schnietz, M., Guth, K.,
& Brökelmann, M. (2013). Influences of Bonding Parameters on the Tool Wear
for Copper Wire Bonding. In 15th Electronics Packaging Technology Conference.
https://doi.org/10.1109/EPTC.2013.6745803
bibtex: '@inproceedings{Eichwald_Sextro_Althoff_Eacock_Schnietz_Guth_Brökelmann_2013,
title={Influences of Bonding Parameters on the Tool Wear for Copper Wire Bonding},
DOI={10.1109/EPTC.2013.6745803},
booktitle={15th Electronics Packaging Technology Conference}, author={Eichwald,
Paul and Sextro, Walter and Althoff, Simon and Eacock, Florian and Schnietz, Mark
and Guth, Karsten and Brökelmann, Michael}, year={2013} }'
chicago: Eichwald, Paul, Walter Sextro, Simon Althoff, Florian Eacock, Mark Schnietz,
Karsten Guth, and Michael Brökelmann. “Influences of Bonding Parameters on the
Tool Wear for Copper Wire Bonding.” In 15th Electronics Packaging Technology
Conference, 2013. https://doi.org/10.1109/EPTC.2013.6745803.
ieee: P. Eichwald et al., “Influences of Bonding Parameters on the Tool Wear
for Copper Wire Bonding,” in 15th Electronics Packaging Technology Conference,
2013.
mla: Eichwald, Paul, et al. “Influences of Bonding Parameters on the Tool Wear for
Copper Wire Bonding.” 15th Electronics Packaging Technology Conference,
2013, doi:10.1109/EPTC.2013.6745803.
short: 'P. Eichwald, W. Sextro, S. Althoff, F. Eacock, M. Schnietz, K. Guth, M.
Brökelmann, in: 15th Electronics Packaging Technology Conference, 2013.'
date_created: 2019-05-13T13:57:49Z
date_updated: 2022-01-06T07:04:20Z
department:
- _id: '151'
doi: 10.1109/EPTC.2013.6745803
language:
- iso: eng
project:
- _id: '92'
grant_number: 02 PQ2210
name: Intelligente Herstellung zuverlässiger Kupferbondverbindungen
publication: 15th Electronics Packaging Technology Conference
status: public
title: Influences of Bonding Parameters on the Tool Wear for Copper Wire Bonding
type: conference
user_id: '210'
year: '2013'
...