Guo Jifeng, Bai Yang, Wang Jian. Recent development and prospect of multi-degree-of-freedom ultrasonic motors[J]. Journal of Vibration and Shock, 2013, 32(15): 1-7.
[4]
Zhang X, Nakamura K, Ueha S. Two-joint robot finger design based on multi-degree-of-freedom ultrasonic motors[J]. Acoustical Science and Technology, 2009, 30(1): 42-47.
[5]
Takemura K, Park S, Maeno T. Control of multi-DOF ultrasonic actuator for dexterous surgical instrument [J]. Journal of Sound and Vibration, 2008, 311(3-5): 652-666.
[6]
Hoshina M, Mashimo T, Fukaya N. Spherical ultrasonic motor drive system for camera orientation in pipe inspection[J]. Advanced Robotics, 2013, 27(3): 199-209.
[7]
Amano T, Ishii T, Nakamura K, et al. An ultrasonic actuator with multi degree of freedom using bending and longitudinal vibrations of a single stator[C]. Proceedings of the Ultrasonics Symposium, Sendai, 1998, 1: 667-670.
Li Zhirong, Zhao Chunsheng, Huang Weiqing. Structural dynamics optimal design of a 3-DOF cylinder type stator of ultrasonic motor[J]. Journal of Vibration and Engineering, 2005, 18(4): 471-474.
[12]
Gouda Y, Nakamura K, Ueha S. A miniaturization of the multi-degree-of-freedom ultrasonic actuator using a small cylinder fixed on a substrate[J]. Ultrasonics, 2006, 44(Supplement): e617-e620.
[13]
Aoyagi M, Beeby S P, White N M. A novel multi- degree-of-freedom thick-film ultrasonic motor[J]. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2002, 49(2): 151-158.
[14]
Ting Y, Tsai Y R, Hou B K, et al. Stator design of a new type of spherical piezoelectric motor[J]. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2010, 57(10): 2334-2342.
[15]
Mashimo T, Toyama S, Ishida H. Design and implementation of spherical ultrasonic motor[J]. IEEE Transactions on Ultrasonics, Ferroelectrics and Frequency Control, 2009, 56(11): 2514-2521.
Hu Xixing, Guo Jifeng. Two degree of freedom spherical ultrasonic motor with three traveling-wave stators[J]. Proceedings of the CSEE, 2010, 30(9): 62-67.
Fu Ping, Guo Jifeng, Shen Runjie. Statics analysis of three-degree-of-freedom traveling-wave type ultrasonic motor[J]. Journal of Zhejiang University (Engineering Science), 2007, 41(6): 968-972.
[20]
Storck H, Wallaschek J. The effect of tangential elasticity of the contact layer between stator and rotor in travelling wave ultrasonic motors[J]. International Journal of Non-Linear Mechanics, 2003, 38(2): 143-159.