117 Publications

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[117]
2019 | Journal Article | LibreCat-ID: 10334
Using complex multi-dimensional vibration trajectories in ultrasonic bonding and welding
R. Schemmel, T. Hemsel, C. Dymel, M. Hunstig, M. Brökelmann, W. Sextro, Sensors and Actuators A: Physical 295 (2019) 653–662.
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[116]
2019 | Conference Paper | LibreCat-ID: 10258 LibreCat
 
[115]
2018 | Journal Article | LibreCat-ID: 9990
Vibration Assisted Dosing, Mixing and Transport of Dry Fine Powders
P. Dunst, P. Bornmann, T. Hemsel, W. Littmann, W. Sextro, ACTUATOR 2018; 16th International Conference on New Actuators (2018) 142–145.
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[114]
2018 | Journal Article | LibreCat-ID: 9991
Vibration-Assisted Handling of Dry Fine Powders
P. Dunst, P. Bornmann, T. Hemsel, W. Sextro, Actuators 2018, 7(2). (2018) 1–11.
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[113]
2018 | Conference Paper | LibreCat-ID: 9992
Numerical and statistical investigation of weld formation in a novel two-dimensional copper-copper bonding process
C. Dymel, P. Eichwald, R. Schemmel, T. Hemsel, M. Brökelmann, M. Hunstig, W. Sextro, in: (Proceedings of 7th Electronics System-Integration Technology Conference, Dresden, Germany), 2018, pp. 1–6.
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[112]
2018 | Conference Paper | LibreCat-ID: 9993
Experimental investigations on the impact of bond process parameters in two-dimensional ultrasonic copper bonding
C. Dymel, R. Schemmel, T. Hemsel, W. Sextro, M. Brökelmann, M. Hunstig, in: (Proceedings of 8th Electronics IEEE CPMT Symposium Japan (ICSJ 2018), Kyoto, Japan), 2018, pp. 41–44.
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[111]
2018 | Conference Paper | LibreCat-ID: 9998
NUMERICAL AND EXPERIMENTAL INVESTIGATIONS IN ULTRASONIC HEAVY WIRE BONDING
R. Schemmel, T. Hemsel, W. Sextro, in: 6th European Conference on Computational Mechanics (ECCM 6), Glasgow, UK, 2018, pp. 1–12.
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[110]
2017 | Conference Paper | LibreCat-ID: 9982
MoRFUS: Mobile Reinigungseinheit für Förderketten basierend auf Ultraschall
R. Schemmel, T. Hemsel, W. Sextro, in: 43. Deutsche Jahrestagung Für Akustik, Kiel 2017, 2017, pp. 611–614.
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[109]
2017 | Journal Article | LibreCat-ID: 9972
Analysis of pipe vibration in an ultrasonic powder transportationsystem
P. Dunst, T. Hemsel, W. Sextro, Elsevier Sensors and Actuators A 263 (2017) 733–736.
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[108]
2017 | Conference Paper | LibreCat-ID: 9978
Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing
J.K. Kimotho, W. Sextro, T. Hemsel, in: IEEE Transactions on Reliability, 2017, pp. 1–10.
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[107]
2016 | Conference Paper | LibreCat-ID: 9958
Transportation of dry fine powders by coordinated friction manipulation
P. Dunst, W. Sextro, P. Bornmann, T. Hemsel, W. Littmann, in: PAMM Proc. Appl. Math. Mech. 16, Braunschweig, 2016, pp. 635–636.
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[106]
2015 | Journal Article | LibreCat-ID: 9944
Kavitationsdetektion mittels Self-Sensing-Ultraschallwandler
P. Bornmann, T. Hemsel, W. Sextro, G. Memoli, M. Hodnett, B. Zeqiri, Tm - Technisches Messen 82 (2015) 73–84.
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[105]
2015 | Journal Article | LibreCat-ID: 9948
Thick KNbO 3 films deposited by ultrasonic-assisted hydrothermal method
R. Kudo, P. Bornmann, T. Hemsel, T. Morita, Acoustical Science and Technology 36 (2015) 262–264.
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[104]
2014 | Journal Article | LibreCat-ID: 9874
Reliability analysis of ultrasonic power transducers
T. Hemsel, P. Bornmann, T. Morita, C. Sondermann-Wölke, W. Sextro, Archive of Applied Mechanics (2014) 1–7.
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[103]
2014 | Conference Paper | LibreCat-ID: 9868
Improving the bond quality of copper wire bonds using a friction model approach
S. Althoff, J. Neuhaus, T. Hemsel, W. Sextro, in: Electronic Components and Technology Conference (ECTC), 2014 IEEE 64th, 2014, pp. 1549–1555.
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[102]
2014 | Conference Paper | LibreCat-ID: 9869
Self-Sensing Ultrasound Transducer for Cavitation Detection
P. Bornmann, T. Hemsel, W. Sextro, G. Memoli, M. Hodnett, B. Zeqiri, in: 2014 IEEE International Ultrasonics Symposium Proceedings, 2014, pp. 663–666.
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[101]
2014 | Journal Article | LibreCat-ID: 9876
High-velocity operation of piezoelectric inertia motors: experimental validation
M. Hunstig, T. Hemsel, W. Sextro, Archive of Applied Mechanics (2014) 1–9.
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[100]
2014 | Journal Article | LibreCat-ID: 9878
Synthesis of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal method and properties of sintered (K0.48Na0.52)NBO3 ceramics
G. Isobe, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions On 61 (2014) 225–230.
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[99]
2013 | Conference Paper | LibreCat-ID: 9797
A friction based approach for modeling wire bonding
S. Althoff, J. Neuhaus, T. Hemsel, W. Sextro, in: IMAPS 2013, 46th International Symposium on Microelectronics, Orlando (Florida), USA, 2013.
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[98]
2013 | Journal Article | LibreCat-ID: 9805
Stick-slip and slip-slip operation of piezoelectric inertia drives - Part I: Ideal Excitation.
M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A: Physical 200 (2013) 90–100.
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[97]
2013 | Journal Article | LibreCat-ID: 9867
Piezoelectric Properties of CuO-Doped (K,Na)NbO3 Lead-Free Ceramics Synthesized with Hydrothermal Powders
Y. Yokouchi, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, Japanese Journal of Applied Physics 52 (2013).
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[96]
2013 | Conference Paper | LibreCat-ID: 9801
Leistungs- und Bandbreitensteigerung von Energy-Harvesting-Generatoren für Energieautarke Systeme
M. Hunstig, W. Al-Ashtari, T. Hemsel, W. Sextro, in: J. Gausemeier, R. Dumitrescu, F. Rammig, W. Schäfer, A. Trächtler (Eds.), 9. Paderborner Workshop Entwurf Mechatronischer Systeme, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2013, pp. 359–372.
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[95]
2013 | Conference Paper | LibreCat-ID: 9863
Sensors and Actuators A: Physical
T. Morita , T. Hemsel, T. Iijima, D.Y. Jeong, T. Kanda, M. Lallart, J. Twiefel, E. Uzgur, in: IWPMA 2012 9th International Workshop on Piezoelectric Materials and Applications in Actuators., 2013, p. 1.
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[94]
2013 | Journal Article | LibreCat-ID: 9794
Increasing the power of piezoelectric energy harvesters by magnetic stiffening
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 24 (2013) 1332–1342.
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[93]
2013 | Conference Paper | LibreCat-ID: 9802
High-Velocity Slip-Slip Operation of Piezoelectric Inertia Motors - Experimental Validation
M. Hunstig, T. Hemsel, W. Sextro, in: Proceedings of 10th International Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting Workshop, Hannover, Germany, 2013, pp. 16–18.
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[92]
2013 | Journal Article | LibreCat-ID: 9795
Enhanced energy harvesting using multiple piezoelectric elements: Theory and experiments
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A: Physical 200 (2013) 138–146.
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[91]
2013 | Journal Article | LibreCat-ID: 9803
Modelling the friction contact in an inertia motor
M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 24 (2013) 1380–1391.
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[90]
2013 | Conference Paper | LibreCat-ID: 9796
Characteristics of Piezoelectric Energy Harvesters in Autonomous Systems
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.
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[89]
2013 | Journal Article | LibreCat-ID: 9804
Stick-slip and slip-slip operation of piezoelectric inertia drives - Part II: Frequency-limited excitation
M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A: Physical 200 (2013) 79–89.
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[88]
2013 | Journal Article | LibreCat-ID: 9866
Study on optimizing ultrasonic irradiation period for thick polycrystalline PZT film by hydrothermal method
K. Ohta, G. Isobe, P. Bornmann, T. Hemsel, T. Morita, Ultrasonics 53 (2013) 837–841.
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[87]
2012 | Conference Paper | LibreCat-ID: 9785
Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method
G. Isobe, R. Ageba, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, in: B. B. J. Linde, J. Paczkowski, N. Ponikwicki (Eds.), AIP Conference Proceedings, AIP, 2012, pp. 569–572.
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[86]
2012 | Journal Article | LibreCat-ID: 9781
Frequency tuning of piezoelectric energy harvesters by magnetic force
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Smart Materials and Structures 21 (2012) 035019.
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[85]
2012 | Journal Article | LibreCat-ID: 9806
Analysis of different operation modes for inertia motors
M. Hunstig, T. Hemsel, W. Sextro, ACTUATOR 2012 Conference Proceedings (2012) 761–764.
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[84]
2012 | Journal Article | LibreCat-ID: 9782
Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 23 (2012) 15–23.
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[83]
2012 | Conference Paper | LibreCat-ID: 9783
Non-perturbing cavitation detection / monitoring in sonochemical reactors
P. Bornmann, T. Hemsel, W. Sextro, T. Maeda, T. Morita, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 1141–1144.
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[82]
2012 | Conference Paper | LibreCat-ID: 9788
Piezoelectric applications of hydrothermal lead-free (K0.48Na0.52)NbO3 ceramics
T. Maeda, P. Bornmann, T. Hemsel, T. Morita, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 194–195.
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[80]
2012 | Journal Article | LibreCat-ID: 9789 LibreCat | DOI
 
[79]
2011 | Journal Article | LibreCat-ID: 9766
High temperature tolerant transducer for Ultrasonic Assisted Hydrothermal Method
G. Isobe, P. Bornmann, T. Hemsel, T. Morita, Proceedings of Symposium on Ultrasonic Electronics 32 (2011) 19–20.
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[78]
2011 | Journal Article | LibreCat-ID: 9767
Multi-DOF cylindrical piezoelectric actuator with radial polarization
R. Lucinskis, D. Mazeika, T. Hemsel, R. Bansevicius, AIP Conference Proceedings 1433 (2011) 693–696.
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[77]
2011 | Journal Article | LibreCat-ID: 9769
Improved Process for Hydrothermal Lead-Free Piezoelectric Powders and Performances of Sintered (K0.48Na0.52)NbO3 Ceramics
T. Maeda, T. Hemsel, T. Morita, Japanese Journal of Applied Physics 50 (2011) 07HC01.
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[76]
2011 | Journal Article | LibreCat-ID: 9877
High temperature tolerant transducer for Ultrasonic Assisted Hydrothermal Method
G. Isobe, P. Bornmann, T. Hemsel, T. Morita, Proceedings of Symposium on Ultrasonic Electronics 32 (2011) 19–20.
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[75]
2011 | Journal Article | LibreCat-ID: 9765
Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm
T. Hemsel, B. Fu, Y. Jing, X. Fu, Key Engineering Materials 474–476 (2011) 1808–1812.
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[74]
2010 | Journal Article | LibreCat-ID: 9759
(K,Na)NbO3 lead-free piezoelectric ceramics synthesized from hydrothermal powders
T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, T. Hemsel, Materials Letters 64 (2010) 125–128.
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[73]
2010 | Conference Paper | LibreCat-ID: 9754
Improving the Performance of Piezoelectric Inertia Motors
M. Hunstig, T. Hemsel, W. Sextro, in: ACTUATOR 2010 Conference Proceedings, 2010, pp. 657–661.
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[72]
2010 | Journal Article | LibreCat-ID: 9743
Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material Synthesis
R. Ageba, Y. Kadota, T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, P. Bornmann, T. Hemsel, Journal of Korean Physical Society 57 (2010) 918–923.
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[71]
2010 | Conference Paper | LibreCat-ID: 9755
Konzeption und Aufbau eines Langzeitforschungsstandes zur lichttechnischen Charakterisierung von organischen Leuchtdioden (OLEDs)
V. Kraft , C. Bauch, M. Nückel, T. Hemsel, in: 19. Gemeinschaftstagung LICHT 2010, Wien, Österreich, 2010.
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[70]
2010 | Journal Article | LibreCat-ID: 9749
Various Aspects of the Placement of a Piezoelectric Material in Composite Actuators, Motors, and Transducers
T. Hemsel, E.G. Lierk, W. Littmann, T. Morita, Journal of Korean Physical Society 57 (2010) 933–937.
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[69]
2010 | Journal Article | LibreCat-ID: 9744
Ultrasonic Transducer for the Hydrothermal Method
P. Bornmann, T. Hemsel, W. Littmann, R. Ageba, Y. Kadota, T. Morita, Journal of Korean Physical Society 57 (2010) 1122.
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[68]
2010 | Journal Article | LibreCat-ID: 9756
Zur Theorie der piezoelektrischen Ultraschallverbundschwinger mit praktischen Schlussfolgerungen für den Entwicklungsingenieur
E.-G. Lierke, W. Littmann, T. Hemsel, Veröffentlichung Der Universität Paderborn (2010).
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[67]
2010 | Journal Article | LibreCat-ID: 9751
Drive Signals for Maximizing the Velocity of Piezoelectric Inertia Motors
M. Hunstig, T. Hemsel, Journal of Korean Physical Society 57 (2010) 938–941.
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[66]
2010 | Journal Article | LibreCat-ID: 9745
Modeling of Piezoelectric Langevin Transducers by Using Mixed Transfer Matrix Methods
B. Fu, C. Li, J. Zhang, Z. Huang, T. Hemsel, Journal of Korean Physical Society 57 (2010) 929.
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[65]
2010 | Journal Article | LibreCat-ID: 9752
Parameter Identification and Model Validation for the Piezoelectric Actuator in an Inertia Motor
M. Hunstig, T. Hemsel, Journal of Korean Physical Society 57 (2010) 952–954.
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[64]
2010 | Journal Article | LibreCat-ID: 9757
The experimental research of piezoelectric actuator with two vectors of polarization direction
R. Lucinskis, D. Mazeika, T. Hemsel, R. Bansevicius, MECHANIKA (2010).
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[63]
2010 | Conference Paper | LibreCat-ID: 9753
Anregungskonzepte und Modellierung piezoelektrischer Trägheitsmotoren
M. Hunstig, T. Hemsel, W. Sextro, in: J. Gausemeier, F. Rammig, W. Schäfer, A. Trächtler (Eds.), 7. Paderborner Workshop Entwurf Mechatronischer Systeme, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2010, pp. 129–141.
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[62]
2010 | Journal Article | LibreCat-ID: 9758
Hydrothermal (K1-xNax)NbO3 Lead-free Piezoelectric Ceramics
T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, T. Hemsel, Journal of Korean Physical Society 57 (2010) 924–928.
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[61]
2010 | Conference Paper | LibreCat-ID: 9760
Guideline for the dependability-oriented design of self-optimizing systems
C. Sondermann-Wölke, T. Hemsel, W. Sextro, J. Gausemeier, S. Pook, in: Industrial Informatics (INDIN), 2010 8th IEEE International Conference On, 2010, pp. 739–744.
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[60]
2009 | Conference Paper | LibreCat-ID: 9735
Modellbasierte Entwicklung piezoelektrischer Trägheitsmotoren
M. Hunstig, T. Hemsel, in: J. Gausemeier, F. Rammig, Wilhelm Schäfer, A. Trächtler (Eds.), 6. Paderborner Workshop Entwurf Mechatronischer Systeme, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2009, pp. 85–96.
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[59]
2009 | Conference Paper | LibreCat-ID: 9740
Verlässlichkeit im aktiven selbstoptimierenden Spurführungsmodul eines schienengebundenen Fahrzeugs
C. Sondermann-Wölke, J. Geisler, M. Hirsch, T. Hemsel, in: J. Gausemeier, F.J. Rammig, A. Trächtler (Eds.), Entwurf Mechatronischer Systeme, Paderborn, 2009, pp. 231–242.
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[58]
2009 | Conference Paper | LibreCat-ID: 9741
Menschliche Unzuverlässigkeit als Grundlage für den Entwurf von Kollisionsvermeidungssystemen.
C. Sondermann-Wölke, T. Hesse, T. Sattel, T. Hemsel, in: 24. Tagung Technische Zuverlässigkeit (TTZ 2009) - Entwicklung Und Betrieb Zuverlässiger Produkte, Leonberg, Düsseldorf, 2009, pp. 335–340.
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[57]
2008 | Journal Article | LibreCat-ID: 9569 LibreCat | DOI
 
[56]
2008 | Journal Article | LibreCat-ID: 9571
Driving concepts for bundled ultrasonic linear motors
M. Mracek, T. Hemsel, T. Sattel, P. Vasiljev, J. Wallaschek, Journal of Electroceramics 20 (2008) 153–158.
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[55]
2008 | Conference Paper | LibreCat-ID: 9576
Development of a biomedical tissue differentiation system using piezoelectric actuators
D.O. Uribe, R. Stroop, T. Hemsel, J. Wallaschek, in: Frequency Control Symposium, 2008 IEEE International, 2008, pp. 91–94.
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[54]
2008 | Patent | LibreCat-ID: 9572
Piezoelektrische Antriebsvorrichtung
V. Rischmueller, J. Wallaschek, P. Froehlich, W. Haussecker, V. Rieger, J. Twiefel, D. Guenther, T. Hemsel, (2008).
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[53]
2008 | Journal Article | LibreCat-ID: 9574
Tactile tissue characterisation by piezoelectric systems
R. Stroop, D.O. Uribe, M.O. Martinez, M. Brökelmann, T. Hemsel, J. Wallaschek, Journal of Electroceramics 20 (2008) 237–241.
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[52]
2008 | Conference Paper | LibreCat-ID: 9570
Verlässlichkeitorientierte Technologiebewertung innovativer Aktortechnologien am Beispiel von Formgedächtnislegierungen
T. Müller, F. Schiedeck, T. Hemsel, in: 2. Tagung Des DVM -- Arbeitskreis Zuverlässigkeit Mechatronischer Und Adaptronischer Systeme: Absicherung Der Systemzuverlässigkeit, Koblenz, 2008.
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[51]
2008 | Journal Article | LibreCat-ID: 9575
Fundamental experiments as benchmark problems for modeling ultrasonic micro-impact processes
J. Twiefel, C. Potthast, M. Mracek, T. Hemsel, T. Sattel, J. Wallaschek, Journal of Electroceramics 20 (2008) 209–214.
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[50]
2008 | Conference Paper | LibreCat-ID: 9568
A simple pre-stress estimating method of langevin transducers
F. Bo, L. Ting, T. Hemsel, in: Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On, 2008, pp. 324–327.
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[49]
2007 | Journal Article | LibreCat-ID: 9564
Resonant vibrating sensors for tactile tissue differentiation
T. Hemsel, R. Stroop, D. Oliva Uribe, J. Wallaschek, Journal of Sound and Vibration 308 (2007) 441–446.
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[48]
2007 | Conference Paper | LibreCat-ID: 9565
Perspectives of Tumour Therapy by Local Ultrasonic Hyperthermia and Thermal Ablation
E.-G. Lierke, T. Hemsel, in: Proceedings of 19th International Congress on Acoustics, Madrid, 2007.
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[47]
2007 | Journal Article | LibreCat-ID: 9566
Fundamental Study on A Thickness-Shear Transformer using X-Cut Lithium Niobate
T. Shigematsu , T. Morita, T. Hemsel, Proceedings of Symposium on Ultrasonic Electronics 28 (2007) 439–440.
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[46]
2007 | Conference Paper | LibreCat-ID: 9562
Non-destructive ultrasonic test of orange dehydration
F. Camarena Gandia, T. Hemsel, V. Espinosa, J. Twiefel, M. Ardid, J. Martinez-Mora, J.B. Gandia, in: Proceedings of 19th International Congress on Acoustics, Madrid, 2007.
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[45]
2006 | Journal Article | LibreCat-ID: 9533
Piezoelectric transducer design via multiobjective optimization
B. Fu, T. Hemsel, J. Wallaschek, Ultrasonics 44, Supplement (2006) e747–e752.
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[44]
2006 | Conference Paper | LibreCat-ID: 9552
Energy harvesting with piezoelectric Elements
J. Twiefel, T. Hemsel, C. Kauczor, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 207–212.
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[43]
2006 | Conference Paper | LibreCat-ID: 9538
Control of Bundled Miniature Ultrasonic Linear Motors
T. Hemsel, M. Mracek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 313–322.
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[42]
2006 | Conference Paper | LibreCat-ID: 9545
Powder Transport by Ultrasonic Waves
B. Mracek, T. Hemsel, M. Mracek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 177–182.
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[41]
2006 | Conference Paper | LibreCat-ID: 9540
Model Based Analysis of Piezoelectric Transformers
T. Hemsel, S. Priya, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 223–228.
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[40]
2006 | Journal Article | LibreCat-ID: 9539
Piezoelectric linear motor concepts based on coupling of longitudinal vibrations
T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, Ultrasonics 44, Supplement (2006) e591–e596.
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[39]
2006 | Journal Article | LibreCat-ID: 9546
Synergetic driving concepts for bundled miniature ultrasonic linear motors
M. Mracek, T. Hemsel, Ultrasonics 44, Supplement (2006) e597–e602.
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[38]
2006 | Journal Article | LibreCat-ID: 9541
Model based analysis of piezoelectric transformers
T. Hemsel, S. Priya, Ultrasonics 44, Supplement (2006) e741–e745.
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[37]
2006 | Conference Paper | LibreCat-ID: 9534
Multiobjective optimization of piezoelectric transducers using evolutionary algorithms
B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 223–228.
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[36]
2006 | Conference (Editor) | LibreCat-ID: 9553
Model-based design of piezoelectric energy harvesting systems
J. Twiefel, B. Richter, T. Hemsel, J. Wallaschek, eds., Model-Based Design of Piezoelectric Energy Harvesting Systems, 2006.
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[35]
2006 | Conference Paper | LibreCat-ID: 9558
Non-resonant piezoelectric motors driven in audible frequency range
S. Wilmanns, K. Nakamura, M. Mracek, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, p. 205.
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[34]
2006 | Conference Paper | LibreCat-ID: 9559
Piezoelectrics in dental tools
W. Zhou, B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, p. 213.
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[33]
2006 | Journal Article | LibreCat-ID: 9547
Self configuration of a novel miniature ultrasonic linear motor
M. Mracek, P. Vasiljev, T. Hemsel, J. Wallaschek, Solid State Phenomena 113 (2006) 167–172.
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[32]
2006 | Conference Paper | LibreCat-ID: 9548
Model based design of piezoelectric generators utilizing geometrical and material properties
B. Richter, J. Twiefel, T. Hemsel, J. Wallaschek, in: ASME 2006 International Mechanical Engineering Congress and Exposition, Chicago, Illinois, USA, 2006.
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[31]
2006 | Journal Article | LibreCat-ID: 9543
Focusing cross-fire applicator for ultrasonic hyperthermia of tumors
E.G. Lierke, T. Hemsel, Ultrasonics 44, Supplement (2006) e341–e344.
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[30]
2006 | Journal Article | LibreCat-ID: 9550
The use of shape memory alloy wires in actuators
F. Schiedeck, T. Hemsel, J. Wallaschek, Solid State Phenomena 113 (2006) 195–198.
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[29]
2006 | Conference Paper | LibreCat-ID: 9532
Design and Construction of a 3D-Scanning-Laservibrometer
C. Becker, S. Wedman, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, p. 481.
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[28]
2006 | Conference Paper | LibreCat-ID: 9537
Powder coating fabrication by ultrasonic standing wave atomizer
T. Hemsel, C. Henning, C. Kauczor, W. Littmann, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 183–186.
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[27]
2006 | Conference Paper | LibreCat-ID: 9544
Focussing Cross-Fire Applicator for Ultrasonic Hyperthermia of Tumors
E.-G. Lierke, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 215–222.
LibreCat
 
[26]
2006 | Conference Paper | LibreCat-ID: 9549
Comparison of Piezoelectric and Shape Memory Alloy Based Actuators
F. Schiedeck, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 239–242.
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[25]
2005 | Conference Paper | LibreCat-ID: 9527
Modellgestützte Analyse piezoelektrischer Transformatoren
T. Hemsel, in: Mechatronik 2005 Innovative Produktentwicklung, Düsseldorf, 2005, pp. 1013–1032.
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[24]
2005 | Conference Paper | LibreCat-ID: 9528
Linear ultrasonic motors based on coupling of longitudinal vibrations
T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, J. Wallaschek, in: Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), Yokohama, Japan, 2005, pp. 32–36.
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[23]
2005 | Conference Paper | LibreCat-ID: 9530
Parallel Operation of Ultrasonic Linear Motors
M. Mracek, T. Hemsel, J. Wallaschek, in: Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), Yokohama, Japan, 2005, pp. 23–24.
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[22]
2005 | Conference Paper | LibreCat-ID: 9531
Teaching Mechatronics to a Mixed Audience from Industry and University
J. Twiefel, T. Hemsel, C. Kauczor, J. Wallaschek, in: 6th International Workshop on Research and Education in Mechatronics, 2005, pp. 356–361.
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[21]
2004 | Conference Paper | LibreCat-ID: 8953
Linear piezoelectric motors and their application
T. Hemsel, in: Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), Seoul, Korea, 2004.
LibreCat
 
[20]
2004 | Conference Paper | LibreCat-ID: 9519
A novel approach for high power ultrasonic linear motors
T. Hemsel, M. Mracek, J. Wallaschek, P. Vasiljev, in: Ultrasonics Symposium, 2004 IEEE, 2004, pp. 1161–1164.
LibreCat | DOI
 
[19]
2004 | Conference Paper | LibreCat-ID: 9521
Design criteria for piezoelectric transformers
W. Littmann, T. Hemsel, J. Wallaschek, in: Proceedings of the 18th International Congress on Acoustics, 2004, pp. 2889–2892.
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[18]
2004 | Conference Paper | LibreCat-ID: 9522
Self configuration of miniature ultrasonic linear motors
M. Mracek, J. Wallaschek, T. Hemsel, in: Proceedings of the 18th International Congress on Acoustics (ICA 2004), 2004, pp. 417–420.
LibreCat
 
[17]
2004 | Conference Paper | LibreCat-ID: 9524
Model-based Diagnosis for Sandwiched Ultrasonic Transducers
B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.
LibreCat
 
[16]
2004 | Conference Paper | LibreCat-ID: 8951
Model-based Diagnosis for Sandwiched Ultrasonic Transducers
B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.
LibreCat
 
[15]
2003 | Conference Paper | LibreCat-ID: 8935
Modelling and Analysis of Piezoelectric Transformers
T. Hemsel, J. Wallaschek, in: Proceedings of the 5th International Congress of Intelligent Materials (ICIM), 2003.
LibreCat
 
[14]
2003 | Conference Paper | LibreCat-ID: 8936
Load-adaptive phase-controller for resonant driven piezoelectric devices
W. Littmann, T. Hemsel, C. Kauczor, J. Wallaschek, W. Sinha, in: Proceedings of World Congress Ultrasonics, 2003, pp. 547–550.
LibreCat
 
[13]
2002 | Conference Paper | LibreCat-ID: 8927
Piezoelektrische Transformatoren - Bauformen und Modellierung
T. Hemsel, W. Littmann, J. Wallaschek, in: 47. Internationales Wissenschaftliches Kolloquium, 2002.
LibreCat
 
[12]
2002 | Conference Paper | LibreCat-ID: 8926
Piezoelectric transformers - state of the art and development trends
T. Hemsel, W. Littmann, J. Wallaschek, in: Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE, 2002, pp. 645–648.
LibreCat | DOI
 
[11]
2001 | Conference Paper | LibreCat-ID: 8925
Piezoelektrische lineare Schwingungsantriebe
J. Wallaschek, T. Hemsel, in: Special Antriebstechnik, 2001, pp. 70–71.
LibreCat
 
[10]
2001 | Dissertation | LibreCat-ID: 8469
Untersuchung und Weiterentwicklung linearer piezoelektrischer Schwingungsantriebe
T. Hemsel, Untersuchung und Weiterentwicklung linearer piezoelektrischer Schwingungsantriebe, Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 2001.
LibreCat
 
[9]
2000 | Conference Paper | LibreCat-ID: 8915
State of the art and development trends of ultrasonic linear motors
T. Hemsel, J. Wallaschek, in: Ultrasonics Symposium, 2000 IEEE, 2000, pp. 663–666 vol.1.
LibreCat | DOI
 
[8]
2000 | Conference Paper | LibreCat-ID: 8916
Piezoelectic linear motors
T. Hemsel, J. Wallaschek, in: Tagungsband Der ACTUATOR, Bremen, 2000, pp. 250–253.
LibreCat
 
[7]
2000 | Conference Paper | LibreCat-ID: 8917 LibreCat
 
[6]
2000 | Journal Article | LibreCat-ID: 8914
Survey of the present state of the art of piezoelectric linear motors
T. Hemsel, J. Wallaschek, Ultrasonics 38 (2000) 37–40.
LibreCat | DOI
 
[5]
1998 | Conference Paper | LibreCat-ID: 8905
Modellierung piezoelektrischer Stapel- und Vielschichtaktoren für dynamischen Betrieb
T. Hemsel, J. Krome, W. Littmann, J. Wallaschek, in: Proceedings 2. Polnisch-Deutscher Workshop “Werkzeuge Der Mechatronik,” Ilmenau, Deutschland, 1998.
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[4]
1998 | Conference Paper | LibreCat-ID: 8906
A piezoelectric linear vibration drive for high driving forces
T. Hemsel, J. Wallaschek, in: Proceedings of VIBROENGINEERING, 1998, pp. 7–12.
LibreCat
 
[3]
1997 | Conference Paper | LibreCat-ID: 8900
Ultrasonic motors for linear positioning tasks in automobiles
T. Hemsel, J. Wallaschek, in: Proceedings of the 30th International Symposium on Automotive Technology \& Automation (ISATA), Florenz, Italien, 1997, pp. 631–637.
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[2]
1997 | Conference Paper | LibreCat-ID: 8898
Schwingungsprüfstand zur vollautomatischen Messung von Ultraschallschwingungen in piezoelektrischen Antrieben
S. Goldschmidt, T. Hemsel, J. Krome, H. Storck, J. Wallaschek, in: Tagungsband Zum 4. Laser Vibrometer Seminar Der Polytec GmbH, Waldbronn, Deutschland, 1997.
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[1]
1997 | Conference Paper | LibreCat-ID: 8901
Piezoelectric ultrasonic linear motors
T. Hemsel, J. Wallaschek, in: EUROMECH, European Mechanics Colloquium “Synthesis of Mechatronic Sytems,” Duisburg, 1997.
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[117]
2019 | Journal Article | LibreCat-ID: 10334
Using complex multi-dimensional vibration trajectories in ultrasonic bonding and welding
R. Schemmel, T. Hemsel, C. Dymel, M. Hunstig, M. Brökelmann, W. Sextro, Sensors and Actuators A: Physical 295 (2019) 653–662.
LibreCat | DOI
 
[116]
2019 | Conference Paper | LibreCat-ID: 10258 LibreCat
 
[115]
2018 | Journal Article | LibreCat-ID: 9990
Vibration Assisted Dosing, Mixing and Transport of Dry Fine Powders
P. Dunst, P. Bornmann, T. Hemsel, W. Littmann, W. Sextro, ACTUATOR 2018; 16th International Conference on New Actuators (2018) 142–145.
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[114]
2018 | Journal Article | LibreCat-ID: 9991
Vibration-Assisted Handling of Dry Fine Powders
P. Dunst, P. Bornmann, T. Hemsel, W. Sextro, Actuators 2018, 7(2). (2018) 1–11.
LibreCat | DOI
 
[113]
2018 | Conference Paper | LibreCat-ID: 9992
Numerical and statistical investigation of weld formation in a novel two-dimensional copper-copper bonding process
C. Dymel, P. Eichwald, R. Schemmel, T. Hemsel, M. Brökelmann, M. Hunstig, W. Sextro, in: (Proceedings of 7th Electronics System-Integration Technology Conference, Dresden, Germany), 2018, pp. 1–6.
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[112]
2018 | Conference Paper | LibreCat-ID: 9993
Experimental investigations on the impact of bond process parameters in two-dimensional ultrasonic copper bonding
C. Dymel, R. Schemmel, T. Hemsel, W. Sextro, M. Brökelmann, M. Hunstig, in: (Proceedings of 8th Electronics IEEE CPMT Symposium Japan (ICSJ 2018), Kyoto, Japan), 2018, pp. 41–44.
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[111]
2018 | Conference Paper | LibreCat-ID: 9998
NUMERICAL AND EXPERIMENTAL INVESTIGATIONS IN ULTRASONIC HEAVY WIRE BONDING
R. Schemmel, T. Hemsel, W. Sextro, in: 6th European Conference on Computational Mechanics (ECCM 6), Glasgow, UK, 2018, pp. 1–12.
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[110]
2017 | Conference Paper | LibreCat-ID: 9982
MoRFUS: Mobile Reinigungseinheit für Förderketten basierend auf Ultraschall
R. Schemmel, T. Hemsel, W. Sextro, in: 43. Deutsche Jahrestagung Für Akustik, Kiel 2017, 2017, pp. 611–614.
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[109]
2017 | Journal Article | LibreCat-ID: 9972
Analysis of pipe vibration in an ultrasonic powder transportationsystem
P. Dunst, T. Hemsel, W. Sextro, Elsevier Sensors and Actuators A 263 (2017) 733–736.
LibreCat
 
[108]
2017 | Conference Paper | LibreCat-ID: 9978
Estimation of Remaining Useful Lifetime of Piezoelectric Transducers Based on Self-Sensing
J.K. Kimotho, W. Sextro, T. Hemsel, in: IEEE Transactions on Reliability, 2017, pp. 1–10.
LibreCat | DOI
 
[107]
2016 | Conference Paper | LibreCat-ID: 9958
Transportation of dry fine powders by coordinated friction manipulation
P. Dunst, W. Sextro, P. Bornmann, T. Hemsel, W. Littmann, in: PAMM Proc. Appl. Math. Mech. 16, Braunschweig, 2016, pp. 635–636.
LibreCat | DOI
 
[106]
2015 | Journal Article | LibreCat-ID: 9944
Kavitationsdetektion mittels Self-Sensing-Ultraschallwandler
P. Bornmann, T. Hemsel, W. Sextro, G. Memoli, M. Hodnett, B. Zeqiri, Tm - Technisches Messen 82 (2015) 73–84.
LibreCat | DOI
 
[105]
2015 | Journal Article | LibreCat-ID: 9948
Thick KNbO 3 films deposited by ultrasonic-assisted hydrothermal method
R. Kudo, P. Bornmann, T. Hemsel, T. Morita, Acoustical Science and Technology 36 (2015) 262–264.
LibreCat | DOI
 
[104]
2014 | Journal Article | LibreCat-ID: 9874
Reliability analysis of ultrasonic power transducers
T. Hemsel, P. Bornmann, T. Morita, C. Sondermann-Wölke, W. Sextro, Archive of Applied Mechanics (2014) 1–7.
LibreCat | DOI
 
[103]
2014 | Conference Paper | LibreCat-ID: 9868
Improving the bond quality of copper wire bonds using a friction model approach
S. Althoff, J. Neuhaus, T. Hemsel, W. Sextro, in: Electronic Components and Technology Conference (ECTC), 2014 IEEE 64th, 2014, pp. 1549–1555.
LibreCat | DOI
 
[102]
2014 | Conference Paper | LibreCat-ID: 9869
Self-Sensing Ultrasound Transducer for Cavitation Detection
P. Bornmann, T. Hemsel, W. Sextro, G. Memoli, M. Hodnett, B. Zeqiri, in: 2014 IEEE International Ultrasonics Symposium Proceedings, 2014, pp. 663–666.
LibreCat | DOI
 
[101]
2014 | Journal Article | LibreCat-ID: 9876
High-velocity operation of piezoelectric inertia motors: experimental validation
M. Hunstig, T. Hemsel, W. Sextro, Archive of Applied Mechanics (2014) 1–9.
LibreCat | DOI
 
[100]
2014 | Journal Article | LibreCat-ID: 9878
Synthesis of lead-free piezoelectric powders by ultrasonic-assisted hydrothermal method and properties of sintered (K0.48Na0.52)NBO3 ceramics
G. Isobe, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions On 61 (2014) 225–230.
LibreCat | DOI
 
[99]
2013 | Conference Paper | LibreCat-ID: 9797
A friction based approach for modeling wire bonding
S. Althoff, J. Neuhaus, T. Hemsel, W. Sextro, in: IMAPS 2013, 46th International Symposium on Microelectronics, Orlando (Florida), USA, 2013.
LibreCat | DOI
 
[98]
2013 | Journal Article | LibreCat-ID: 9805
Stick-slip and slip-slip operation of piezoelectric inertia drives - Part I: Ideal Excitation.
M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A: Physical 200 (2013) 90–100.
LibreCat | DOI
 
[97]
2013 | Journal Article | LibreCat-ID: 9867
Piezoelectric Properties of CuO-Doped (K,Na)NbO3 Lead-Free Ceramics Synthesized with Hydrothermal Powders
Y. Yokouchi, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, Japanese Journal of Applied Physics 52 (2013).
LibreCat | DOI
 
[96]
2013 | Conference Paper | LibreCat-ID: 9801
Leistungs- und Bandbreitensteigerung von Energy-Harvesting-Generatoren für Energieautarke Systeme
M. Hunstig, W. Al-Ashtari, T. Hemsel, W. Sextro, in: J. Gausemeier, R. Dumitrescu, F. Rammig, W. Schäfer, A. Trächtler (Eds.), 9. Paderborner Workshop Entwurf Mechatronischer Systeme, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2013, pp. 359–372.
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[95]
2013 | Conference Paper | LibreCat-ID: 9863
Sensors and Actuators A: Physical
T. Morita , T. Hemsel, T. Iijima, D.Y. Jeong, T. Kanda, M. Lallart, J. Twiefel, E. Uzgur, in: IWPMA 2012 9th International Workshop on Piezoelectric Materials and Applications in Actuators., 2013, p. 1.
LibreCat | DOI
 
[94]
2013 | Journal Article | LibreCat-ID: 9794
Increasing the power of piezoelectric energy harvesters by magnetic stiffening
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 24 (2013) 1332–1342.
LibreCat | DOI
 
[93]
2013 | Conference Paper | LibreCat-ID: 9802
High-Velocity Slip-Slip Operation of Piezoelectric Inertia Motors - Experimental Validation
M. Hunstig, T. Hemsel, W. Sextro, in: Proceedings of 10th International Workshop on Piezoelectric Materials and Applications and 8th Energy Harvesting Workshop, Hannover, Germany, 2013, pp. 16–18.
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[92]
2013 | Journal Article | LibreCat-ID: 9795
Enhanced energy harvesting using multiple piezoelectric elements: Theory and experiments
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A: Physical 200 (2013) 138–146.
LibreCat | DOI
 
[91]
2013 | Journal Article | LibreCat-ID: 9803
Modelling the friction contact in an inertia motor
M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 24 (2013) 1380–1391.
LibreCat | DOI
 
[90]
2013 | Conference Paper | LibreCat-ID: 9796
Characteristics of Piezoelectric Energy Harvesters in Autonomous Systems
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.
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[89]
2013 | Journal Article | LibreCat-ID: 9804
Stick-slip and slip-slip operation of piezoelectric inertia drives - Part II: Frequency-limited excitation
M. Hunstig, T. Hemsel, W. Sextro, Sensors and Actuators A: Physical 200 (2013) 79–89.
LibreCat | DOI
 
[88]
2013 | Journal Article | LibreCat-ID: 9866
Study on optimizing ultrasonic irradiation period for thick polycrystalline PZT film by hydrothermal method
K. Ohta, G. Isobe, P. Bornmann, T. Hemsel, T. Morita, Ultrasonics 53 (2013) 837–841.
LibreCat | DOI
 
[87]
2012 | Conference Paper | LibreCat-ID: 9785
Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method
G. Isobe, R. Ageba, T. Maeda, P. Bornmann, T. Hemsel, T. Morita, in: B. B. J. Linde, J. Paczkowski, N. Ponikwicki (Eds.), AIP Conference Proceedings, AIP, 2012, pp. 569–572.
LibreCat | DOI
 
[86]
2012 | Journal Article | LibreCat-ID: 9781
Frequency tuning of piezoelectric energy harvesters by magnetic force
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Smart Materials and Structures 21 (2012) 035019.
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[85]
2012 | Journal Article | LibreCat-ID: 9806
Analysis of different operation modes for inertia motors
M. Hunstig, T. Hemsel, W. Sextro, ACTUATOR 2012 Conference Proceedings (2012) 761–764.
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[84]
2012 | Journal Article | LibreCat-ID: 9782
Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph
W. Al-Ashtari, M. Hunstig, T. Hemsel, W. Sextro, Journal of Intelligent Material Systems and Structures 23 (2012) 15–23.
LibreCat | DOI
 
[83]
2012 | Conference Paper | LibreCat-ID: 9783
Non-perturbing cavitation detection / monitoring in sonochemical reactors
P. Bornmann, T. Hemsel, W. Sextro, T. Maeda, T. Morita, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 1141–1144.
LibreCat | DOI
 
[82]
2012 | Conference Paper | LibreCat-ID: 9788
Piezoelectric applications of hydrothermal lead-free (K0.48Na0.52)NbO3 ceramics
T. Maeda, P. Bornmann, T. Hemsel, T. Morita, in: Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 194–195.
LibreCat | DOI
 
 
[80]
2012 | Journal Article | LibreCat-ID: 9789 LibreCat | DOI
 
[79]
2011 | Journal Article | LibreCat-ID: 9766
High temperature tolerant transducer for Ultrasonic Assisted Hydrothermal Method
G. Isobe, P. Bornmann, T. Hemsel, T. Morita, Proceedings of Symposium on Ultrasonic Electronics 32 (2011) 19–20.
LibreCat
 
[78]
2011 | Journal Article | LibreCat-ID: 9767
Multi-DOF cylindrical piezoelectric actuator with radial polarization
R. Lucinskis, D. Mazeika, T. Hemsel, R. Bansevicius, AIP Conference Proceedings 1433 (2011) 693–696.
LibreCat | DOI
 
[77]
2011 | Journal Article | LibreCat-ID: 9769
Improved Process for Hydrothermal Lead-Free Piezoelectric Powders and Performances of Sintered (K0.48Na0.52)NbO3 Ceramics
T. Maeda, T. Hemsel, T. Morita, Japanese Journal of Applied Physics 50 (2011) 07HC01.
LibreCat
 
[76]
2011 | Journal Article | LibreCat-ID: 9877
High temperature tolerant transducer for Ultrasonic Assisted Hydrothermal Method
G. Isobe, P. Bornmann, T. Hemsel, T. Morita, Proceedings of Symposium on Ultrasonic Electronics 32 (2011) 19–20.
LibreCat
 
[75]
2011 | Journal Article | LibreCat-ID: 9765
Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm
T. Hemsel, B. Fu, Y. Jing, X. Fu, Key Engineering Materials 474–476 (2011) 1808–1812.
LibreCat | DOI
 
[74]
2010 | Journal Article | LibreCat-ID: 9759
(K,Na)NbO3 lead-free piezoelectric ceramics synthesized from hydrothermal powders
T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, T. Hemsel, Materials Letters 64 (2010) 125–128.
LibreCat | DOI
 
[73]
2010 | Conference Paper | LibreCat-ID: 9754
Improving the Performance of Piezoelectric Inertia Motors
M. Hunstig, T. Hemsel, W. Sextro, in: ACTUATOR 2010 Conference Proceedings, 2010, pp. 657–661.
LibreCat
 
[72]
2010 | Journal Article | LibreCat-ID: 9743
Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material Synthesis
R. Ageba, Y. Kadota, T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, P. Bornmann, T. Hemsel, Journal of Korean Physical Society 57 (2010) 918–923.
LibreCat | DOI
 
[71]
2010 | Conference Paper | LibreCat-ID: 9755
Konzeption und Aufbau eines Langzeitforschungsstandes zur lichttechnischen Charakterisierung von organischen Leuchtdioden (OLEDs)
V. Kraft , C. Bauch, M. Nückel, T. Hemsel, in: 19. Gemeinschaftstagung LICHT 2010, Wien, Österreich, 2010.
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[70]
2010 | Journal Article | LibreCat-ID: 9749
Various Aspects of the Placement of a Piezoelectric Material in Composite Actuators, Motors, and Transducers
T. Hemsel, E.G. Lierk, W. Littmann, T. Morita, Journal of Korean Physical Society 57 (2010) 933–937.
LibreCat | DOI
 
[69]
2010 | Journal Article | LibreCat-ID: 9744
Ultrasonic Transducer for the Hydrothermal Method
P. Bornmann, T. Hemsel, W. Littmann, R. Ageba, Y. Kadota, T. Morita, Journal of Korean Physical Society 57 (2010) 1122.
LibreCat | DOI
 
[68]
2010 | Journal Article | LibreCat-ID: 9756
Zur Theorie der piezoelektrischen Ultraschallverbundschwinger mit praktischen Schlussfolgerungen für den Entwicklungsingenieur
E.-G. Lierke, W. Littmann, T. Hemsel, Veröffentlichung Der Universität Paderborn (2010).
LibreCat
 
[67]
2010 | Journal Article | LibreCat-ID: 9751
Drive Signals for Maximizing the Velocity of Piezoelectric Inertia Motors
M. Hunstig, T. Hemsel, Journal of Korean Physical Society 57 (2010) 938–941.
LibreCat | DOI
 
[66]
2010 | Journal Article | LibreCat-ID: 9745
Modeling of Piezoelectric Langevin Transducers by Using Mixed Transfer Matrix Methods
B. Fu, C. Li, J. Zhang, Z. Huang, T. Hemsel, Journal of Korean Physical Society 57 (2010) 929.
LibreCat | DOI
 
[65]
2010 | Journal Article | LibreCat-ID: 9752
Parameter Identification and Model Validation for the Piezoelectric Actuator in an Inertia Motor
M. Hunstig, T. Hemsel, Journal of Korean Physical Society 57 (2010) 952–954.
LibreCat | DOI
 
[64]
2010 | Journal Article | LibreCat-ID: 9757
The experimental research of piezoelectric actuator with two vectors of polarization direction
R. Lucinskis, D. Mazeika, T. Hemsel, R. Bansevicius, MECHANIKA (2010).
LibreCat
 
[63]
2010 | Conference Paper | LibreCat-ID: 9753
Anregungskonzepte und Modellierung piezoelektrischer Trägheitsmotoren
M. Hunstig, T. Hemsel, W. Sextro, in: J. Gausemeier, F. Rammig, W. Schäfer, A. Trächtler (Eds.), 7. Paderborner Workshop Entwurf Mechatronischer Systeme, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2010, pp. 129–141.
LibreCat
 
[62]
2010 | Journal Article | LibreCat-ID: 9758
Hydrothermal (K1-xNax)NbO3 Lead-free Piezoelectric Ceramics
T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, T. Hemsel, Journal of Korean Physical Society 57 (2010) 924–928.
LibreCat | DOI
 
[61]
2010 | Conference Paper | LibreCat-ID: 9760
Guideline for the dependability-oriented design of self-optimizing systems
C. Sondermann-Wölke, T. Hemsel, W. Sextro, J. Gausemeier, S. Pook, in: Industrial Informatics (INDIN), 2010 8th IEEE International Conference On, 2010, pp. 739–744.
LibreCat | DOI
 
[60]
2009 | Conference Paper | LibreCat-ID: 9735
Modellbasierte Entwicklung piezoelektrischer Trägheitsmotoren
M. Hunstig, T. Hemsel, in: J. Gausemeier, F. Rammig, Wilhelm Schäfer, A. Trächtler (Eds.), 6. Paderborner Workshop Entwurf Mechatronischer Systeme, Heinz Nixdorf Institut, Universität Paderborn, Paderborn, 2009, pp. 85–96.
LibreCat
 
[59]
2009 | Conference Paper | LibreCat-ID: 9740
Verlässlichkeit im aktiven selbstoptimierenden Spurführungsmodul eines schienengebundenen Fahrzeugs
C. Sondermann-Wölke, J. Geisler, M. Hirsch, T. Hemsel, in: J. Gausemeier, F.J. Rammig, A. Trächtler (Eds.), Entwurf Mechatronischer Systeme, Paderborn, 2009, pp. 231–242.
LibreCat
 
[58]
2009 | Conference Paper | LibreCat-ID: 9741
Menschliche Unzuverlässigkeit als Grundlage für den Entwurf von Kollisionsvermeidungssystemen.
C. Sondermann-Wölke, T. Hesse, T. Sattel, T. Hemsel, in: 24. Tagung Technische Zuverlässigkeit (TTZ 2009) - Entwicklung Und Betrieb Zuverlässiger Produkte, Leonberg, Düsseldorf, 2009, pp. 335–340.
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[57]
2008 | Journal Article | LibreCat-ID: 9569 LibreCat | DOI
 
[56]
2008 | Journal Article | LibreCat-ID: 9571
Driving concepts for bundled ultrasonic linear motors
M. Mracek, T. Hemsel, T. Sattel, P. Vasiljev, J. Wallaschek, Journal of Electroceramics 20 (2008) 153–158.
LibreCat | DOI
 
[55]
2008 | Conference Paper | LibreCat-ID: 9576
Development of a biomedical tissue differentiation system using piezoelectric actuators
D.O. Uribe, R. Stroop, T. Hemsel, J. Wallaschek, in: Frequency Control Symposium, 2008 IEEE International, 2008, pp. 91–94.
LibreCat | DOI
 
[54]
2008 | Patent | LibreCat-ID: 9572
Piezoelektrische Antriebsvorrichtung
V. Rischmueller, J. Wallaschek, P. Froehlich, W. Haussecker, V. Rieger, J. Twiefel, D. Guenther, T. Hemsel, (2008).
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[53]
2008 | Journal Article | LibreCat-ID: 9574
Tactile tissue characterisation by piezoelectric systems
R. Stroop, D.O. Uribe, M.O. Martinez, M. Brökelmann, T. Hemsel, J. Wallaschek, Journal of Electroceramics 20 (2008) 237–241.
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[52]
2008 | Conference Paper | LibreCat-ID: 9570
Verlässlichkeitorientierte Technologiebewertung innovativer Aktortechnologien am Beispiel von Formgedächtnislegierungen
T. Müller, F. Schiedeck, T. Hemsel, in: 2. Tagung Des DVM -- Arbeitskreis Zuverlässigkeit Mechatronischer Und Adaptronischer Systeme: Absicherung Der Systemzuverlässigkeit, Koblenz, 2008.
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[51]
2008 | Journal Article | LibreCat-ID: 9575
Fundamental experiments as benchmark problems for modeling ultrasonic micro-impact processes
J. Twiefel, C. Potthast, M. Mracek, T. Hemsel, T. Sattel, J. Wallaschek, Journal of Electroceramics 20 (2008) 209–214.
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[50]
2008 | Conference Paper | LibreCat-ID: 9568
A simple pre-stress estimating method of langevin transducers
F. Bo, L. Ting, T. Hemsel, in: Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium On, 2008, pp. 324–327.
LibreCat | DOI
 
[49]
2007 | Journal Article | LibreCat-ID: 9564
Resonant vibrating sensors for tactile tissue differentiation
T. Hemsel, R. Stroop, D. Oliva Uribe, J. Wallaschek, Journal of Sound and Vibration 308 (2007) 441–446.
LibreCat | DOI
 
[48]
2007 | Conference Paper | LibreCat-ID: 9565
Perspectives of Tumour Therapy by Local Ultrasonic Hyperthermia and Thermal Ablation
E.-G. Lierke, T. Hemsel, in: Proceedings of 19th International Congress on Acoustics, Madrid, 2007.
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[47]
2007 | Journal Article | LibreCat-ID: 9566
Fundamental Study on A Thickness-Shear Transformer using X-Cut Lithium Niobate
T. Shigematsu , T. Morita, T. Hemsel, Proceedings of Symposium on Ultrasonic Electronics 28 (2007) 439–440.
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[46]
2007 | Conference Paper | LibreCat-ID: 9562
Non-destructive ultrasonic test of orange dehydration
F. Camarena Gandia, T. Hemsel, V. Espinosa, J. Twiefel, M. Ardid, J. Martinez-Mora, J.B. Gandia, in: Proceedings of 19th International Congress on Acoustics, Madrid, 2007.
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[45]
2006 | Journal Article | LibreCat-ID: 9533
Piezoelectric transducer design via multiobjective optimization
B. Fu, T. Hemsel, J. Wallaschek, Ultrasonics 44, Supplement (2006) e747–e752.
LibreCat | DOI
 
[44]
2006 | Conference Paper | LibreCat-ID: 9552
Energy harvesting with piezoelectric Elements
J. Twiefel, T. Hemsel, C. Kauczor, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 207–212.
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[43]
2006 | Conference Paper | LibreCat-ID: 9538
Control of Bundled Miniature Ultrasonic Linear Motors
T. Hemsel, M. Mracek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 313–322.
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[42]
2006 | Conference Paper | LibreCat-ID: 9545
Powder Transport by Ultrasonic Waves
B. Mracek, T. Hemsel, M. Mracek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 177–182.
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[41]
2006 | Conference Paper | LibreCat-ID: 9540
Model Based Analysis of Piezoelectric Transformers
T. Hemsel, S. Priya, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 223–228.
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[40]
2006 | Journal Article | LibreCat-ID: 9539
Piezoelectric linear motor concepts based on coupling of longitudinal vibrations
T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, Ultrasonics 44, Supplement (2006) e591–e596.
LibreCat | DOI
 
[39]
2006 | Journal Article | LibreCat-ID: 9546
Synergetic driving concepts for bundled miniature ultrasonic linear motors
M. Mracek, T. Hemsel, Ultrasonics 44, Supplement (2006) e597–e602.
LibreCat | DOI
 
[38]
2006 | Journal Article | LibreCat-ID: 9541
Model based analysis of piezoelectric transformers
T. Hemsel, S. Priya, Ultrasonics 44, Supplement (2006) e741–e745.
LibreCat | DOI
 
[37]
2006 | Conference Paper | LibreCat-ID: 9534
Multiobjective optimization of piezoelectric transducers using evolutionary algorithms
B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 223–228.
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[36]
2006 | Conference (Editor) | LibreCat-ID: 9553
Model-based design of piezoelectric energy harvesting systems
J. Twiefel, B. Richter, T. Hemsel, J. Wallaschek, eds., Model-Based Design of Piezoelectric Energy Harvesting Systems, 2006.
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[35]
2006 | Conference Paper | LibreCat-ID: 9558
Non-resonant piezoelectric motors driven in audible frequency range
S. Wilmanns, K. Nakamura, M. Mracek, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, p. 205.
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[34]
2006 | Conference Paper | LibreCat-ID: 9559
Piezoelectrics in dental tools
W. Zhou, B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, p. 213.
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[33]
2006 | Journal Article | LibreCat-ID: 9547
Self configuration of a novel miniature ultrasonic linear motor
M. Mracek, P. Vasiljev, T. Hemsel, J. Wallaschek, Solid State Phenomena 113 (2006) 167–172.
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[32]
2006 | Conference Paper | LibreCat-ID: 9548
Model based design of piezoelectric generators utilizing geometrical and material properties
B. Richter, J. Twiefel, T. Hemsel, J. Wallaschek, in: ASME 2006 International Mechanical Engineering Congress and Exposition, Chicago, Illinois, USA, 2006.
LibreCat | DOI
 
[31]
2006 | Journal Article | LibreCat-ID: 9543
Focusing cross-fire applicator for ultrasonic hyperthermia of tumors
E.G. Lierke, T. Hemsel, Ultrasonics 44, Supplement (2006) e341–e344.
LibreCat | DOI
 
[30]
2006 | Journal Article | LibreCat-ID: 9550
The use of shape memory alloy wires in actuators
F. Schiedeck, T. Hemsel, J. Wallaschek, Solid State Phenomena 113 (2006) 195–198.
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[29]
2006 | Conference Paper | LibreCat-ID: 9532
Design and Construction of a 3D-Scanning-Laservibrometer
C. Becker, S. Wedman, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, p. 481.
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[28]
2006 | Conference Paper | LibreCat-ID: 9537
Powder coating fabrication by ultrasonic standing wave atomizer
T. Hemsel, C. Henning, C. Kauczor, W. Littmann, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 183–186.
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[27]
2006 | Conference Paper | LibreCat-ID: 9544
Focussing Cross-Fire Applicator for Ultrasonic Hyperthermia of Tumors
E.-G. Lierke, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 215–222.
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[26]
2006 | Conference Paper | LibreCat-ID: 9549
Comparison of Piezoelectric and Shape Memory Alloy Based Actuators
F. Schiedeck, T. Hemsel, in: Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, Paderborn, Germany, 2006, pp. 239–242.
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[25]
2005 | Conference Paper | LibreCat-ID: 9527
Modellgestützte Analyse piezoelektrischer Transformatoren
T. Hemsel, in: Mechatronik 2005 Innovative Produktentwicklung, Düsseldorf, 2005, pp. 1013–1032.
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[24]
2005 | Conference Paper | LibreCat-ID: 9528
Linear ultrasonic motors based on coupling of longitudinal vibrations
T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, J. Wallaschek, in: Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), Yokohama, Japan, 2005, pp. 32–36.
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[23]
2005 | Conference Paper | LibreCat-ID: 9530
Parallel Operation of Ultrasonic Linear Motors
M. Mracek, T. Hemsel, J. Wallaschek, in: Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), Yokohama, Japan, 2005, pp. 23–24.
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[22]
2005 | Conference Paper | LibreCat-ID: 9531
Teaching Mechatronics to a Mixed Audience from Industry and University
J. Twiefel, T. Hemsel, C. Kauczor, J. Wallaschek, in: 6th International Workshop on Research and Education in Mechatronics, 2005, pp. 356–361.
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[21]
2004 | Conference Paper | LibreCat-ID: 8953
Linear piezoelectric motors and their application
T. Hemsel, in: Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), Seoul, Korea, 2004.
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[20]
2004 | Conference Paper | LibreCat-ID: 9519
A novel approach for high power ultrasonic linear motors
T. Hemsel, M. Mracek, J. Wallaschek, P. Vasiljev, in: Ultrasonics Symposium, 2004 IEEE, 2004, pp. 1161–1164.
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[19]
2004 | Conference Paper | LibreCat-ID: 9521
Design criteria for piezoelectric transformers
W. Littmann, T. Hemsel, J. Wallaschek, in: Proceedings of the 18th International Congress on Acoustics, 2004, pp. 2889–2892.
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[18]
2004 | Conference Paper | LibreCat-ID: 9522
Self configuration of miniature ultrasonic linear motors
M. Mracek, J. Wallaschek, T. Hemsel, in: Proceedings of the 18th International Congress on Acoustics (ICA 2004), 2004, pp. 417–420.
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[17]
2004 | Conference Paper | LibreCat-ID: 9524
Model-based Diagnosis for Sandwiched Ultrasonic Transducers
B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.
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[16]
2004 | Conference Paper | LibreCat-ID: 8951
Model-based Diagnosis for Sandwiched Ultrasonic Transducers
B. Fu, T. Hemsel, J. Wallaschek, in: Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.
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[15]
2003 | Conference Paper | LibreCat-ID: 8935
Modelling and Analysis of Piezoelectric Transformers
T. Hemsel, J. Wallaschek, in: Proceedings of the 5th International Congress of Intelligent Materials (ICIM), 2003.
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[14]
2003 | Conference Paper | LibreCat-ID: 8936
Load-adaptive phase-controller for resonant driven piezoelectric devices
W. Littmann, T. Hemsel, C. Kauczor, J. Wallaschek, W. Sinha, in: Proceedings of World Congress Ultrasonics, 2003, pp. 547–550.
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[13]
2002 | Conference Paper | LibreCat-ID: 8927
Piezoelektrische Transformatoren - Bauformen und Modellierung
T. Hemsel, W. Littmann, J. Wallaschek, in: 47. Internationales Wissenschaftliches Kolloquium, 2002.
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[12]
2002 | Conference Paper | LibreCat-ID: 8926
Piezoelectric transformers - state of the art and development trends
T. Hemsel, W. Littmann, J. Wallaschek, in: Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE, 2002, pp. 645–648.
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[11]
2001 | Conference Paper | LibreCat-ID: 8925
Piezoelektrische lineare Schwingungsantriebe
J. Wallaschek, T. Hemsel, in: Special Antriebstechnik, 2001, pp. 70–71.
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[10]
2001 | Dissertation | LibreCat-ID: 8469
Untersuchung und Weiterentwicklung linearer piezoelektrischer Schwingungsantriebe
T. Hemsel, Untersuchung und Weiterentwicklung linearer piezoelektrischer Schwingungsantriebe, Verlagsschriftenreihe des Heinz Nixdorf Instituts, Paderborn, 2001.
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[9]
2000 | Conference Paper | LibreCat-ID: 8915
State of the art and development trends of ultrasonic linear motors
T. Hemsel, J. Wallaschek, in: Ultrasonics Symposium, 2000 IEEE, 2000, pp. 663–666 vol.1.
LibreCat | DOI
 
[8]
2000 | Conference Paper | LibreCat-ID: 8916
Piezoelectic linear motors
T. Hemsel, J. Wallaschek, in: Tagungsband Der ACTUATOR, Bremen, 2000, pp. 250–253.
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[7]
2000 | Conference Paper | LibreCat-ID: 8917 LibreCat
 
[6]
2000 | Journal Article | LibreCat-ID: 8914
Survey of the present state of the art of piezoelectric linear motors
T. Hemsel, J. Wallaschek, Ultrasonics 38 (2000) 37–40.
LibreCat | DOI
 
[5]
1998 | Conference Paper | LibreCat-ID: 8905
Modellierung piezoelektrischer Stapel- und Vielschichtaktoren für dynamischen Betrieb
T. Hemsel, J. Krome, W. Littmann, J. Wallaschek, in: Proceedings 2. Polnisch-Deutscher Workshop “Werkzeuge Der Mechatronik,” Ilmenau, Deutschland, 1998.
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[4]
1998 | Conference Paper | LibreCat-ID: 8906
A piezoelectric linear vibration drive for high driving forces
T. Hemsel, J. Wallaschek, in: Proceedings of VIBROENGINEERING, 1998, pp. 7–12.
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[3]
1997 | Conference Paper | LibreCat-ID: 8900
Ultrasonic motors for linear positioning tasks in automobiles
T. Hemsel, J. Wallaschek, in: Proceedings of the 30th International Symposium on Automotive Technology \& Automation (ISATA), Florenz, Italien, 1997, pp. 631–637.
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[2]
1997 | Conference Paper | LibreCat-ID: 8898
Schwingungsprüfstand zur vollautomatischen Messung von Ultraschallschwingungen in piezoelektrischen Antrieben
S. Goldschmidt, T. Hemsel, J. Krome, H. Storck, J. Wallaschek, in: Tagungsband Zum 4. Laser Vibrometer Seminar Der Polytec GmbH, Waldbronn, Deutschland, 1997.
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[1]
1997 | Conference Paper | LibreCat-ID: 8901
Piezoelectric ultrasonic linear motors
T. Hemsel, J. Wallaschek, in: EUROMECH, European Mechanics Colloquium “Synthesis of Mechatronic Sytems,” Duisburg, 1997.
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