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302 Publications


2015 | Conference Paper | LibreCat-ID: 9954
A. Unger et al., “Modeling of the Stick-Slip Effect in Heavy Copper Wire Bonding to Determine and Reduce Tool Wear,” in 2015 17th Electronics Packaging Technology Conference, 2015.
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2015 | Dissertation | LibreCat-ID: 9953
C. Sondermann-Woelke, Entwurf und Anwendung einer erweiterten Zustandsüberwachung zur Verlässlichkeitssteigerung selbstoptimierender Systeme. Shaker, 2015.
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2014 | Conference Paper | LibreCat-ID: 9868
S. Althoff, J. Neuhaus, T. Hemsel, and W. Sextro, “Improving the bond quality of copper wire bonds using a friction model approach,” in Electronic Components and Technology Conference (ECTC), 2014 IEEE 64th, 2014, pp. 1549–1555.
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2014 | Conference Paper | LibreCat-ID: 9869
P. Bornmann, T. Hemsel, W. Sextro, G. Memoli, M. Hodnett, and B. Zeqiri, “Self-Sensing Ultrasound Transducer for Cavitation Detection,” in 2014 IEEE International Ultrasonics Symposium Proceedings, 2014, pp. 663–666.
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2014 | Conference Paper | LibreCat-ID: 9870
F. Eacock et al., “Microstructural investigations of aluminum and copper wire bonds,” in Proceedings of the 47th International Symposium on Microelectronics, 2014.
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2014 | Conference Paper | LibreCat-ID: 9871
P. Eichwald et al., “Analysis Method of Tool Topography Change and Identification of Wear Indicators for Heavy Copper Wire Wedge Bonding,” in Proceedings of the 47th International Symposium on Microelectronics, 2014, pp. 856–861.
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2014 | Book | LibreCat-ID: 9873
J. Gausemeier, F. Josef Rammig, W. Schäfer, and W. Sextro, Dependability of Self-Optimizing Mechatronic Systems, vol. Lecture Notes in Mechanical Engineering. Springer Berlin Heidelberg, 2014.
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2014 | Journal Article | LibreCat-ID: 9874
T. Hemsel, P. Bornmann, T. Morita, C. Sondermann-Wölke, and W. Sextro, “Reliability analysis of ultrasonic power transducers,” Archive of Applied Mechanics, pp. 1–7, 2014.
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2014 | Journal Article | LibreCat-ID: 9876
M. Hunstig, T. Hemsel, and W. Sextro, “High-velocity operation of piezoelectric inertia motors: experimental validation,” Archive of Applied Mechanics, pp. 1–9, 2014.
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2014 | Journal Article | LibreCat-ID: 9878
G. Isobe, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Synthesis of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal method and properties of sintered (K0.48Na0.52)NBO3 ceramics,” Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on, vol. 61, no. 2, pp. 225–230, 2014.
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2014 | Conference Paper | LibreCat-ID: 9879
J. K. Kimotho, T. Meyer, and W. Sextro, “PEM fuel cell prognostics using particle filter with model parameter adaptation,” in Prognostics and Health Management (PHM), 2014 IEEE Conference on, 2014, pp. 1–6.
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2014 | Conference Paper | LibreCat-ID: 9880
J. K. Kimotho and W. Sextro, “An approach for feature extraction and selection from non-trending data for machinery prognosis,” in Proceedings of the Second European Conference of the Prognostics and Health Management Society 2014, 2014, vol. 5.
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2014 | Journal Article | LibreCat-ID: 9881
J. K. Kimotho and W. Sextro, “Optimal Parameter Tuning for Multiclass Support Vector Machines in Machinery Health State Estimation,” PAMM, vol. 14, no. 1, pp. 815–816, 2014.
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2014 | Journal Article | LibreCat-ID: 9882
S. Kohl, W. Sextro, and A. Zuber, “Tire footprint analysis depending on the elastokinematics of a multi-link suspension system using multi-body dynamics simulation,” PAMM, vol. 14, no. 1, pp. 65–66, 2014.
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2014 | Book Chapter | LibreCat-ID: 9883
T. Meyer, C. Priesterjahn, and W. Sextro, “Conclusion and Outlook,” in Dependability of Self-Optimizing Mechatronic Systems, J. Gausemeier, F. Josef Rammig, W. Schäfer, and W. Sextro, Eds. Springer Berlin Heidelberg, 2014, pp. 189–190.
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2014 | Conference Paper | LibreCat-ID: 9884
T. Meyer and W. Sextro, “Closed-loop Control System for the Reliability of Intelligent Mechatronic Systems,” in Proceedings of the Second European Conference of the Prognostics and Health Management Society 2014, 2014, vol. 5.
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2014 | Journal Article | LibreCat-ID: 9885
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.
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2014 | Conference Paper | LibreCat-ID: 9887
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.
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2014 | Journal Article | LibreCat-ID: 9888
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.
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2014 | Conference Paper | LibreCat-ID: 9889
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.
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2014 | Conference Paper | LibreCat-ID: 9890
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.
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2014 | Conference Paper | LibreCat-ID: 9891
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.
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2014 | Conference Paper | LibreCat-ID: 9892
C. Sprock and W. Sextro, “Vibration Analysis of Mechanical Structures using Multisine Excitation Techniques,” in Proceedings of 31st Danubia-Adria Symposium. 2014, 2014.
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2014 | Book Chapter | LibreCat-ID: 9893
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.
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2014 | Book Chapter | LibreCat-ID: 9894
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.
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2014 | Conference Paper | LibreCat-ID: 9895
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.
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2014 | Conference Paper | LibreCat-ID: 9896
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.
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2014 | Dissertation | LibreCat-ID: 9875
M. Hunstig, Konzeption, Ansteuerung und Eigenschaften schneller piezoelektrischer Trägheitsmotoren. Shaker, 2014.
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2013 | Journal Article | LibreCat-ID: 9794
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.
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2013 | Journal Article | LibreCat-ID: 9795
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.
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2013 | Conference Paper | LibreCat-ID: 9796
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.
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2013 | Conference Paper | LibreCat-ID: 9797
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.
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2013 | Conference Paper | LibreCat-ID: 9799
P. Eichwald et al., “Influences of Bonding Parameters on the Tool Wear for Copper Wire Bonding,” in 15th Electronics Packaging Technology Conference, 2013.
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2013 | Conference Paper | LibreCat-ID: 9801
M. Hunstig, W. Al-Ashtari, T. Hemsel, and W. Sextro, “Leistungs- und Bandbreitensteigerung von Energy-Harvesting-Generatoren für Energieautarke Systeme,” in 9. Paderborner Workshop Entwurf mechatronischer Systeme, 2013, pp. 359–372.
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2013 | Conference Paper | LibreCat-ID: 9802
M. Hunstig, T. Hemsel, and W. Sextro, “High-Velocity Slip-Slip Operation of Piezoelectric Inertia Motors - Experimental Validation,” in Proceedings of 10th International Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting Workshop, 2013, pp. 16–18.
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2013 | Journal Article | LibreCat-ID: 9803
M. Hunstig, T. Hemsel, and W. Sextro, “Modelling the friction contact in an inertia motor,” Journal of Intelligent Material Systems and Structures, vol. 24, no. 11, pp. 1380–1391, 2013.
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2013 | Journal Article | LibreCat-ID: 9804
M. Hunstig, T. Hemsel, and W. Sextro, “Stick-slip and slip-slip operation of piezoelectric inertia drives - Part II: Frequency-limited excitation,” Sensors and Actuators A: Physical, vol. 200, pp. 79–89, 2013.
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2013 | Journal Article | LibreCat-ID: 9805
M. Hunstig, T. Hemsel, and W. Sextro, “Stick-slip and slip-slip operation of piezoelectric inertia drives - Part I: Ideal Excitation.,” Sensors and Actuators A: Physical, vol. 200, pp. 90–100, 2013.
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2013 | Journal Article | LibreCat-ID: 9807
J. K. Kimotho, C. Sondermann-Wölke, T. Meyer, and W. Sextro, “Machinery Prognostic Method Based on Multi-Class Support Vector Machines and Hybrid Differential Evolution -- Particle Swarm Optimization,” Chemical Engineering Transactions, vol. 33, pp. 619–624, 2013.
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2013 | Journal Article | LibreCat-ID: 9808
J. K. Kimotho, C. Sondermann-Wölke, T. Meyer, and W. Sextro, “Application of Event Based Decision Tree and Ensemble of Data Driven Methods for Maintenance Action Recommendation,” International Journal of Prognostics and Health Management, vol. 4, no. 2, 2013.
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2013 | Conference Paper | LibreCat-ID: 9855
S. Kohl, A. Zuber, and W. Sextro, “Modelbased Investigations of Gyroscopic Effect on the (Elasto-)Kinematics of Suspension Systems,” in Proc. Appl. Math. Mech., 2013, vol. 13, pp. 23–24.
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2013 | Conference Paper | LibreCat-ID: 9856
M. Lenzen, A. Unger, and J. Wortberg, “2PC-Recu-Module for energy recovery at hydraulic driven injection molding machines,” 2013.
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2013 | Conference Paper | LibreCat-ID: 9858
T. Meyer, C. Hölscher, M. Menke, W. Sextro, and D. Zimmer, “Multiobjective Optimization including Safety of Operation Applied to a Linear Drive System,” in Proc. Appl. Math. Mech., 2013, vol. 13, pp. 483–484.
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2013 | Conference Paper | LibreCat-ID: 9859
T. Meyer , J. Henning Keßler, W. Sextro, and A. Trächtler, “Increasing Intelligent Systems’ Reliability by Using Reconfiguration,” in Proceedings of the Annual Reliability and Maintainability Symposium (RAMS), 2013.
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2013 | Journal Article | LibreCat-ID: 9860
T. Meyer, C. Sondermann-Wölke, J. K. Kimotho, and W. Sextro, “Controlling the Remaining Useful Lifetime using Self-Optimization,” Chemical Engineering Transactions, vol. 33, pp. 625–630, 2013.
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2013 | Conference Paper | LibreCat-ID: 9861
T. Meyer, C. Sondermann-Wölke, W. Sextro, M. Riedl, A. Gouberman, and M. Siegle, “Bewertung der Zuverlässigkeit selbstoptimierender Systeme mit dem LARES-Framework,” in 9. Paderborner Workshop Entwurf mechatronischer Systeme, 2013, pp. 161–174.
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2013 | Special Issue | LibreCat-ID: 9863
T. Morita et al., Eds., Selected Papers from the 9th International Workshop on Piezoelectric Materials and Applications in Actuators, vol. 200. Elsevier, 2013, pp. 1–172.
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2013 | Journal Article | LibreCat-ID: 9866
K. Ohta, G. Isobe, P. Bornmann, T. Hemsel, and T. Morita, “Study on optimizing ultrasonic irradiation period for thick polycrystalline PZT film by hydrothermal method,” Ultrasonics, vol. 53, no. 4, pp. 837–841, 2013.
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2013 | Journal Article | LibreCat-ID: 9867
Y. Yokouchi, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Piezoelectric Properties of CuO-Doped (K,Na)NbO3 Lead-Free Ceramics Synthesized with Hydrothermal Powders,” Japanese Journal of Applied Physics, vol. 52, no. 7S, 2013.
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2013 | Dissertation | LibreCat-ID: 9792
W. Al-Ashtari, Model based enhancement of an autonomous system with a piezoelectric harvester. Shaker, 2013.
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