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�������պ����ѧѧ�� 2003, Vol. 29 Issue (4) :317-320    DOI:
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On the Vibration of Stator of Linear Traveling��Wave USM
Ji Yuan, Li Hua, Zhang Deyuan*
School of Mechanical Engineering and Automation, Beijing University of Aeronautics and Astronautics

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Abstract�� Semi-infinite slender beams were analyzed with the theory of elastodynamics, conditions for large amplitude of slender beams were calculated. Based on the conditions, a linear traveling-wave Ultrasonic Motor(USM) was developed. Vibration of the stator of USM was analyzed based on consideration of traveling-wave reflection. With the help of simulation, it was shown that the reflectedwave exhibits a great influence on drive characteristics of USM. A series of experiments proved the validity of the conclusions.
Keywords�� travelling waves   stator   simulation   ultrasonic motor     
Received 2002-01-08;
About author: �� Զ(1975-),��,ɽ����Ӫ��,��ʿ��,100083,����.
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��Զ, �, �ŵ�Զ.������ֱ���в�������ﶨ���������о�[J]  �������պ����ѧѧ��, 2003,V29(4): 317-320
Ji Yuan, Li Hua, Zhang Deyuan.On the Vibration of Stator of Linear Traveling��Wave USM[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2003,V29(4): 317-320
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http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2003/V29/I4/317
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