The Experimental Research of a Piezoelectric Linear Motor

Abstract:

The working principle and driven approach of a piezoelectric linear motor which uses axial stretching vibration of cascading piezoelectric elements is introduced. The prototype of that motor is designed and fabricated. It’s performance is also tested. The motor’s vibrator is a stick and moving object is a cylindrical ring which contacts with vibrating stick in the shape of cylindrical surface. The forward and backward movements of moving object are achieved by utilizing the axial stretching vibration of vibrating stick. The moving direction is altered by changed the frequency of driving signal. The structure of the motor is simple and the power supply is single sine phase. So that it is easy to be smaller. In addition, the thrust force is increased by cylindrical surface contact between moving object and vibrating stick so that it is easy to be practical also. This kind of piezoelectric linear motor is very suitable for precise positioning of objects, fine material handling, and vibration cutting tools.

• Periodical: Applied Mechanics and Materials (Volumes 130-134)
• Pages: 621-624
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.130-134.621
• Online since: October 2011
• Authors: Yue Ping Mo, Hong Jin, Peng Fei Xu, Dong Liu Jiang, Yun Jing Liu
• Keywords: Backward Vibration, Cylindrical Surface Contact, Forward Vibration, Piezoelectric Linear Motor

References

[1] T. Hemsel, J. Wallaschek, Piezoelectric linear motors, Proceedings of the 7th International Conference on New Actuators, Bremen, Germany, 2000, pp.250-253.

[2] Maik Mracek, Tobias Hemsel. Synergetic driving concepts for bundled miniature ultrasonic linear motors. Elsevier, Ultrasonics 44 (2006), 2006. 6. 12, pp.597-602.

DOI: 10.1016/j.ultras.2006.05.201

[3] T. Hemsel, M. Mracek, J. Twiefel, P. Vasiljev, Piezoelectric linear motor concepts based on coupling of longitudinal vibrations, Elsevier, Ultrasonics 44 (2006), pp.591-596.

DOI: 10.1016/j.ultras.2006.05.056

[4] KONICA MINOLTA Company. Piezoelectric supersonic linear actuator, http: /www. konicaminolta. com.

[5] Hyun-Phill Ko, Sangsig Kim, Chong-Yun Kang, etc. Optimization of a piezoelectric linear motor in terms of the contact parameters, Elsevier, Materials Chemistry and Physics 90 (2005), pp.322-326.

DOI: 10.1016/j.matchemphys.2004.09.041

[6] Li Zhaodong, Cheng Kai, Yao Hua. Modeling and Simulation of a Linear Standing Wave Ultrasonic Motor, Mechatronics, 2002(2), pp.21-24.

[7] ZHAO Zeng-hui，WANG Yu-ping，ZHAO Xiang-dong，YUAN Yi-kun. Analysis on the dynamic model of linear ultrasonic motor based on modal assumption, Machinery Design &Manufacture, 2008(12), pp.195-197.

[8] WANG Hong-xiang, HE Qing, GUAN Liang, LIU Shuang. Design of Ring-type Standing wave Linear Ultrasonic Motors, Micromotors, 2008(41), pp.23-25.