TY - Front. Mech. Eng. A1 - Jiamei JIN, Jianhui ZHANG, Fu QIAN, Zhenfeng PAN, T1 - Improving the performances of ultrasonic motors using intermittent contact scheme Y1 - 2010-06-05 JF - Frontiers of Mechanical Engineering JO - Front. Mech. Eng. SP - 242 EP - 246 VL - 5 IS - 2 UR - https://journal.hep.com.cn/fme N1 - 10.1007/s11465-010-0016-y ER -