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�������պ����ѧѧ�� 2007, Vol. 33 Issue (12) :1436-1439    DOI:
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Fuzzy modeling of rate-dependent hysteresis loop in giant magnetostrictive actuator
Guo Zhenkai*
School of Science, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� Hysteresis is a strongly nonlinear phenomenon which exists in the input and output property of a giant magnetostrictive actuator, which has influence on the precision and stability of active vibration control. So a method based on fuzzy tree model was presented to describe the hysteresis nonlinearity of giant magnetostrictive actuator. In order to obtain the data which was adapt to fuzzy tree modeling, the original one-dimension input space was first projected on a high dimension input space, then the multivalued function in one-dimension space could be converted into the single value function in the high dimension space. The proposed method has a simple architecture, which is of low computational load and is insensitive to the dimension of input-data set. The numerical simulation shows that the method is effective.
Keywords�� fuzzy modeling   hysteresis loop   rate-dependent   giant magnetostrictive actuator     
Received 2006-12-20;


About author: ����(1976��),��,ɽ����̨��,��ʿ��,zhkguo@126.com.
����.��������������������ش��ͻ���ģ����ģ[J]  �������պ����ѧѧ��, 2007,V33(12): 1436-1439
Guo Zhenkai.Fuzzy modeling of rate-dependent hysteresis loop in giant magnetostrictive actuator[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2007,V33(12): 1436-1439
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