E.-G. Lierke and T. Hemsel, “Focussing Cross-Fire Applicator for Ultrasonic Hyperthermia of Tumors,” in Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, 2006, no. Band 180, pp. 215–222.

B. Mracek, T. Hemsel, and M. Mracek, “Powder Transport by Ultrasonic Waves,” in Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, 2006, no. Band 180, pp. 177–182.

M. Mracek and T. Hemsel, “Synergetic driving concepts for bundled miniature ultrasonic linear motors,” Ultrasonics, vol. 44, Supplement, pp. e597–e602, 2006.

M. Mracek, P. Vasiljev, T. Hemsel, and J. Wallaschek, “Self configuration of a novel miniature ultrasonic linear motor,” Solid State Phenomena, vol. 113, pp. 167–172, 2006.

B. Richter, J. Twiefel, T. Hemsel, and J. Wallaschek, “Model based design of piezoelectric generators utilizing geometrical and material properties,” in ASME 2006 International Mechanical Engineering Congress and Exposition, 2006.

F. Schiedeck and T. Hemsel, “Comparison of Piezoelectric and Shape Memory Alloy Based Actuators,” in Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, 2006, no. Band 180, pp. 239–242.

F. Schiedeck, T. Hemsel, and J. Wallaschek, “The use of shape memory alloy wires in actuators,” Solid State Phenomena, vol. 113, pp. 195–198, 2006.

J. Twiefel, T. Hemsel, and C. Kauczor, “Energy harvesting with piezoelectric Elements,” in Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, 2006, no. Band 180, pp. 207–212.

J. Twiefel, B. Richter, T. Hemsel, and J. Wallaschek, Eds., Model-based design of piezoelectric energy harvesting systems, vol. 6169. 2006, pp. 616909-616909–10.

S. Wilmanns, K. Nakamura, M. Mracek, and T. Hemsel, “Non-resonant piezoelectric motors driven in audible frequency range,” in Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, 2006, vol. Band 180, p. 205.

W. Zhou, B. Fu, T. Hemsel, and J. Wallaschek, “Piezoelectrics in dental tools,” in Proceedings of 2nd International Workshop on Piezoelectric Materials and Applications in Actuators, 2006, vol. Band 180, p. 213.

R. Kehl, R. Stroop, D. Oliva Uribe, T. Hemsel, and B. Henning, “Tactile sensors for determination of elastic properties of brain tissue mimicking phantoms,” presented at the Jahrestagung der Deutschen Gesellschaft für Computer- und Roboterassistierte Chirurgie (CURAC 2006), Hannover, 2006.

T. Hemsel, “Modellgestützte Analyse piezoelektrischer Transformatoren,” in Mechatronik 2005 Innovative Produktentwicklung, 2005, vol. 1892, no. Band 2, pp. 1013–1032.

T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, and J. Wallaschek, “Linear ultrasonic motors based on coupling of longitudinal vibrations,” in Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), 2005, pp. 32–36.

M. Mracek, T. Hemsel, and J. Wallaschek, “Parallel Operation of Ultrasonic Linear Motors,” in Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), 2005, pp. 23–24.

J. Twiefel, T. Hemsel, C. Kauczor, and J. Wallaschek, “Teaching Mechatronics to a Mixed Audience from Industry and University,” in 6th International Workshop on Research and Education in Mechatronics, 2005, pp. 356–361.

J. Wallaschek, T. Hemsel, and M. Mracek, Proceedings of the 2nd International Workshop on Piezoelectric Materials and Applications in Acutators, vol. Band 180. 2005.

B. Fu, T. Hemsel, and J. Wallaschek, “Model-based Diagnosis for Sandwiched Ultrasonic Transducers,” in Proceedings of the 18th International Congress on Acoustics, ICA, 2004, pp. 4–9.

T. Hemsel, “Linear piezoelectric motors and their application,” in Proceedings of the First International Conference on Ultrasonic Motors and Actuators (IWOUMA), 2004.

T. Hemsel, M. Mracek, J. Wallaschek, and P. Vasiljev, “A novel approach for high power ultrasonic linear motors,” in Ultrasonics Symposium, 2004 IEEE, 2004, vol. 2, no. Vol.2, pp. 1161–1164.