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302 Publications


2012 | Journal Article | LibreCat-ID: 9781
W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Frequency tuning of piezoelectric energy harvesters by magnetic force,” Smart Materials and Structures, vol. 21, no. 3, p. 035019, 2012.
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2012 | Journal Article | LibreCat-ID: 9782
W. Al-Ashtari, M. Hunstig, T. Hemsel, and W. Sextro, “Analytical determination of characteristic frequencies and equivalent circuit parameters of a piezoelectric bimorph,” Journal of Intelligent Material Systems and Structures, vol. 23, no. 1, pp. 15–23, 2012.
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2012 | Conference Paper | LibreCat-ID: 9783
P. Bornmann, T. Hemsel, W. Sextro, T. Maeda, and T. Morita, “Non-perturbing cavitation detection / monitoring in sonochemical reactors,” in Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 1141–1144.
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2012 | Conference Paper | LibreCat-ID: 9784
M. Hunstig, T. Hemsel, and W. Sextro, “An efficient simulation technique for high-frequency piezoelectric inertia motors,” in Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 277–280.
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2012 | Conference Paper | LibreCat-ID: 9785
G. Isobe, R. Ageba, T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Synthesis of piezoelectric materials by ultrasonic assisted hydrothermal method,” in AIP Conference Proceedings, 2012, vol. 1433, no. 1, pp. 569–572.
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2012 | Journal Article | LibreCat-ID: 9786
B. Klöpper, C. Sondermann-Wölke, and C. Romaus, “Probabilistic Planning for Predictive Condition Monitoring and Adaptation Within the Self-Optimizing Energy Management of an Autonomous Railway Vehicle,” Journal of Robotics and Mechatronics, vol. 24, no. 1, pp. 5–15, 2012.
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2012 | Conference Paper | LibreCat-ID: 9787
S. Kohl, W. Sextro, and A. Zuber, “Benteler Vehicle Dynamics -- Fahrdynamikentwicklung basierend auf einer neuen Auslegungstheorie,” in 8. Tag des Fahrwerks, Aachen, 2012, 2012, pp. 38–60.
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2012 | Conference Paper | LibreCat-ID: 9788
T. Maeda, P. Bornmann, T. Hemsel, and T. Morita, “Piezoelectric applications of hydrothermal lead-free (K0.48Na0.52)NbO3 ceramics,” in Ultrasonics Symposium (IUS), 2012 IEEE International, 2012, pp. 194–195.
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2012 | Journal Article | LibreCat-ID: 9789
T. Maeda, T. Hemsel, and T. Morita, “Piezoelectric Properties of Li-Doped (K0.48Na0.52)NbO3 Ceramics Synthesized Using Hydrothermally-Derived KNbO3 and NaNbO3 Fine Powders,” Japanese Journal of Applied Physics, vol. 51, p. 09MD08, 2012.
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2012 | Conference Paper | LibreCat-ID: 9791
C. Sondermann-Wölke , T. Meyer, R. Dorociak, J. Gausemeier, and W. Sextro, “Conceptual Design of Advanced Condition Monitoring for a Self-Optimizing System based on its Principle Solution,” in Proceedings of the 11th International Probabilistic Safety Assessment and Management Conference (PSAM11) and The Annual European Safety and Reliability Conference (ESREL2012), 2012.
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2012 | Journal Article | LibreCat-ID: 9806
M. Hunstig, T. Hemsel, and W. Sextro, “Analysis of different operation modes for inertia motors,” ACTUATOR 2012 Conference Proceedings, pp. 761–764, 2012.
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2011 | Journal Article | LibreCat-ID: 9765
T. Hemsel, B. Fu, Y. Jing, and X. Fu, “Multi-Objective Optimization of a Piezoelectric Sandwich Ultrasonic Transducer by Using Elitist Non-Dominated Sorting Genetic Algorithm,” Key Engineering Materials, vol. 474–476, pp. 1808–1812, 2011.
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2011 | Journal Article | LibreCat-ID: 9767
R. Lucinskis, D. Mazeika, T. Hemsel, and R. Bansevicius, “Multi-DOF cylindrical piezoelectric actuator with radial polarization,” AIP Conference Proceedings, vol. 1433, no. 1, pp. 693–696, 2011.
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2011 | Conference Paper | LibreCat-ID: 9768
O. Lurie, I. Kromov, A. Trächtler, C. Sondermann-Wölke, and W. Sextro, “Dependability Analysis of the Degradation Behavior of Mechatronics Systems with Different Operating Strategies,” in 25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung und Betrieb zuverlässiger Produkte, 2011, pp. 99–110.
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2011 | Journal Article | LibreCat-ID: 9769
T. Maeda, T. Hemsel, and T. Morita, “Improved Process for Hydrothermal Lead-Free Piezoelectric Powders and Performances of Sintered (K0.48Na0.52)NbO3 Ceramics,” Japanese Journal of Applied Physics, vol. 50, p. 07HC01, 2011.
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2011 | Conference Paper | LibreCat-ID: 9770
C. Priesterjahn, C. Sondermann-Wölke, M. Tichy, and C. Hölscher, “Component-based Hazard Analysis for Mechatronic Systems,” in Proc. of the 2nd IEEE International Workshop MoBE-RTES at the 14th IEEE International Symposium on Object/Component/Service-oriented Real-time Distributed Computing (ISORC), 2011.
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2011 | Conference Paper | LibreCat-ID: 9771
C. Sondermann-Wölke, W. Sextro, P. Reinold, and A. Trächtler, “Zuverlässigkeitsorientierte Mehrzieloptimierung zur Aktorrekonfiguration eines X-by-wire-Fahrzeugs,” in 25. Tagung Technische Zuverlässigkeit (TTZ 2011) - Entwicklung und Betrieb zuverlässiger Produkte, 2011, pp. 291–302.
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2011 | Journal Article | LibreCat-ID: 9772
C. Tomberger, P. Dietmaier, W. Sextro, and K. Six, “Friction in wheel--rail contact: A model comprising interfacial fluids, surface roughness and temperature,” Wear, vol. 271, pp. 2–12, 2011.
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2011 | Journal Article | LibreCat-ID: 9877
G. Isobe, P. Bornmann, T. Hemsel, and T. Morita, “High temperature tolerant transducer for Ultrasonic Assisted Hydrothermal Method,” Proceedings of Symposium on Ultrasonic Electronics, vol. 32, pp. 19–20, 2011.
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2011 | Patent | LibreCat-ID: 9790
W. Sextro, M. Hunstig, P. Bornmann, and T. Hemsel, “Patent DE10201003395: Anordnung und Verfahren zur mehrdimensionalen Messung von Schwingungen eines Objekts. .” 2011.
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2010 | Journal Article | LibreCat-ID: 9743
R. Ageba et al., “Ultrasonically-assisted Hydrothermal Method for Ferroelectric Material Synthesis,” Journal of Korean Physical Society, vol. 57, no. 4, pp. 918–923, 2010.
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2010 | Journal Article | LibreCat-ID: 9744
P. Bornmann, T. Hemsel, W. Littmann, R. Ageba, Y. Kadota, and T. Morita, “Ultrasonic Transducer for the Hydrothermal Method,” Journal of Korean Physical Society, vol. 57, no. 4, p. 1122, 2010.
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2010 | Journal Article | LibreCat-ID: 9745
B. Fu, C. Li, J. Zhang, Z. Huang, and T. Hemsel, “Modeling of Piezoelectric Langevin Transducers by Using Mixed Transfer Matrix Methods,” Journal of Korean Physical Society, vol. 57, no. 4, p. 929, 2010.
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2010 | Journal Article | LibreCat-ID: 9747
J. S. Hölzl and W. Sextro, “Reibungsdämpfung in ausgedehnten, verschraubten Fügestellen,” PAMM, vol. 10, no. 1, pp. 247–248, 2010.
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2010 | Journal Article | LibreCat-ID: 9748
J. S. Hölzl and W. Sextro, “Simulation of the Dynamical Behavior of Elastic Multi-Body Systems with Bolted, Rough Contact Interfaces,” SAE International Journal of Passenger Cars- Mechanical Systems, pp. 929–935, 2010.
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2010 | Journal Article | LibreCat-ID: 9749
T. Hemsel, E. G. Lierk, W. Littmann, and T. Morita, “Various Aspects of the Placement of a Piezoelectric Material in Composite Actuators, Motors, and Transducers,” Journal of Korean Physical Society, vol. 57, no. 4, pp. 933–937, 2010.
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2010 | Journal Article | LibreCat-ID: 9750
D. Hess, T. Hüfner, T. Hesse, C. Sondermann-Wölke, and T. Sattel, “Intelligente mechatronische Systeme zur automatisierten Fahrzeugführung in Fahrerassistenzsystemen,” Internationales Mechatronik-Kolloquium “Mechatronik 2010,” 2010.
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2010 | Journal Article | LibreCat-ID: 9751
M. Hunstig and T. Hemsel, “Drive Signals for Maximizing the Velocity of Piezoelectric Inertia Motors,” Journal of Korean Physical Society, vol. 57, no. 4, pp. 938–941, 2010.
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2010 | Journal Article | LibreCat-ID: 9752
M. Hunstig and T. Hemsel, “Parameter Identification and Model Validation for the Piezoelectric Actuator in an Inertia Motor,” Journal of Korean Physical Society, vol. 57, no. 4, pp. 952–954, 2010.
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2010 | Conference Paper | LibreCat-ID: 9753
M. Hunstig, T. Hemsel, and W. Sextro, “Anregungskonzepte und Modellierung piezoelektrischer Trägheitsmotoren,” in 7. Paderborner Workshop Entwurf mechatronischer Systeme, 2010, vol. 272, pp. 129–141.
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2010 | Conference Paper | LibreCat-ID: 9754
M. Hunstig, T. Hemsel, and W. Sextro, “Improving the Performance of Piezoelectric Inertia Motors,” in ACTUATOR 2010 Conference Proceedings, 2010, pp. 657–661.
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2010 | Conference Paper | LibreCat-ID: 9755
V. Kraft , C. Bauch, M. Nückel, and T. Hemsel, “Konzeption und Aufbau eines Langzeitforschungsstandes zur lichttechnischen Charakterisierung von organischen Leuchtdioden (OLEDs),” in 19. Gemeinschaftstagung LICHT 2010, 2010.
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2010 | Journal Article | LibreCat-ID: 9756
E.-G. Lierke, W. Littmann, and T. Hemsel, “Zur Theorie der piezoelektrischen Ultraschallverbundschwinger mit praktischen Schlussfolgerungen für den Entwicklungsingenieur,” Veröffentlichung der Universität Paderborn, 2010.
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2010 | Journal Article | LibreCat-ID: 9757
R. Lucinskis, D. Mazeika, T. Hemsel, and R. Bansevicius, “The experimental research of piezoelectric actuator with two vectors of polarization direction,” MECHANIKA, 2010.
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2010 | Journal Article | LibreCat-ID: 9758
T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, and T. Hemsel, “Hydrothermal (K1-xNax)NbO3 Lead-free Piezoelectric Ceramics,” Journal of Korean Physical Society, vol. 57, no. 4, pp. 924–928, 2010.
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2010 | Journal Article | LibreCat-ID: 9759
T. Maeda, N. Takiguchi, T. Morita, M. Ishikawa, and T. Hemsel, “(K,Na)NbO3 lead-free piezoelectric ceramics synthesized from hydrothermal powders,” Materials Letters, vol. 64, no. 2, pp. 125–128, 2010.
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2010 | Conference Paper | LibreCat-ID: 9760
C. Sondermann-Wölke, T. Hemsel, W. Sextro, J. Gausemeier, and S. Pook, “Guideline for the dependability-oriented design of self-optimizing systems,” in Industrial Informatics (INDIN), 2010 8th IEEE International Conference on, 2010, pp. 739–744.
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2010 | Journal Article | LibreCat-ID: 9761
C. Sondermann-Wölke and W. Sextro, “Integration of Condition Monitoring in Self-optimizing Function Modules Applied to the Active Railway Guidance Module,” International Journal On Advances in Intelligent Systems, vol. 3, no. 1–3, pp. 65–74, 2010.
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2010 | Conference Paper | LibreCat-ID: 9762
C. Sondermann-Wölke, W. Sextro, J. Geisler, and A. Trächtler, “Experimentelle Untersuchung der Selbstoptimierung innerhalb des RailCab-Spurführungsmoduls,” in Entwurf mechatronischer Systeme, 2010, vol. 272, pp. 411–420.
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2010 | Conference Paper | LibreCat-ID: 9763
C. Sondermann-Wölke, J. Geisler, and W. Sextro, “Increasing the reliability of a self-optimizing railway guidance system,” in Reliability and Maintainability Symposium (RAMS), 2010 Proceedings - Annual, 2010, pp. 1–6.
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2010 | Journal Article | LibreCat-ID: 9764
C. Tomberger, P. Dietmaier, R. Martin, W. Sextro, and K. Six, “Einfluss von Oberflächenrauheit, fluiden Zwischenschichten und Kontakttemperaturen auf den Kraftschluss zwischen Rad und Schiene,” ZEVrail, vol. 134, pp. 127–135, 2010.
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2009 | Book | LibreCat-ID: 9579
A. Dell’Aere et al., Verlässlichkeit selbstoptimierender Systeme -- Potenziale nutzen und Risiken vermeiden, vol. 235. Paderborn: Heinz Nixdorf Institut, Universität Paderborn, 2009.
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2009 | Conference Paper | LibreCat-ID: 9735
M. Hunstig and T. Hemsel, “Modellbasierte Entwicklung piezoelektrischer Trägheitsmotoren,” in 6. Paderborner Workshop Entwurf mechatronischer Systeme, 2009, vol. 250, pp. 85–96.
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2009 | Conference Paper | LibreCat-ID: 9736
B. Klöpper, C. Sondermann-Wölke, C. Romaus, and H. Vöcking, “Probabilistic planning integrated in a multi-level dependability concept for mechatronic systems,” in Computational Intelligence in Control and Automation, 2009. CICA 2009. IEEE Symposium on, 2009, pp. 104–111.
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2009 | Journal Article | LibreCat-ID: 9738
T. Sattel, T. Hesse, C. Sondermann-Wölke, and T. Hüfner, “Potenzialfeldmethoden zur Fahrzeugführung für Fahrerassistenzsysteme zum automatisierten Fahren,” memo - mechatronik mobil, vol. 1, pp. 30–40, 2009.
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2009 | Conference Paper | LibreCat-ID: 9740
C. Sondermann-Wölke, J. Geisler, M. Hirsch, and T. Hemsel, “Verlässlichkeit im aktiven selbstoptimierenden Spurführungsmodul eines schienengebundenen Fahrzeugs,” in Entwurf mechatronischer Systeme, 2009, vol. 250, pp. 231–242.
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2009 | Conference Paper | LibreCat-ID: 9741
C. Sondermann-Wölke, T. Hesse, T. Sattel, and T. Hemsel, “Menschliche Unzuverlässigkeit als Grundlage für den Entwurf von Kollisionsvermeidungssystemen.,” in 24. Tagung Technische Zuverlässigkeit (TTZ 2009) - Entwicklung und Betrieb zuverlässiger Produkte, Leonberg, 2009, vol. 2065, pp. 335–340.
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2009 | Conference Paper | LibreCat-ID: 9742
C. Sondermann-Wölke and W. Sextro, “Towards the Integration of Condition Monitoring in Self-Optimizing Function Modules,” in Future Computing, Service Computation, Cognitive, Adaptive, Content, Patterns, 2009. COMPUTATIONWORLD ’09. Computation World:, 2009, pp. 15–20.
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2008 | Conference Paper | LibreCat-ID: 9568
F. Bo, L. Ting, and T. Hemsel, “A simple pre-stress estimating method of langevin transducers,” in Piezoelectricity, Acoustic Waves, and Device Applications, 2008. SPAWDA 2008. Symposium on, 2008, pp. 324–327.
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2008 | Journal Article | LibreCat-ID: 9569
E.-G. Lierke and T. Hemsel, “Local Ultrasonic Hyperthermia and Thermo-ablation: A Description and Theoretical Evaluation of Two Alternative Concepts for the Heat Therapy of Tumours,” Acta Acustica united with Acustica, vol. 94, no. 3, pp. 369–381, 2008.
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