新型大推力直线超声电机运动机理及实验研究
李玉宝, 时运来, 赵淳生,
Mechanism Analysis and Experimental Research on  #br# Novel Linear Ultrasonic Motor with Large Thrust 
Li Yubao, Shi Yunlai, Zhao Chunsheng 
中国机械工程 . 2008, (24): 2912 -2916 .