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Structural Engineering and Mechanics Volume 26, Number 6, August20 2007 , pages 635-650 DOI: https://doi.org/10.12989/sem.2007.26.6.635 |
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Dynamic response for electromechanical integrated toroidal drive to electric excitation |
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Lizhong Xu and Xiuhong Hao
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| Abstract | ||
| In this paper, the equivalent exciting force caused by electric excitation is derived. By dividing load and displacement vectors into mean values and time-varying ones, the dynamic equations of the system are transformed into linear ones for time-varying portion of the displacements. The analytical equations of the forced time responses of the drive system to electric excitations are obtained. Using the Laplace transformation, the transfer function of the drive system is obtained. These equations are used to analyze the time and frequency responses of the drive system to the electric excitation. It is known that electric excitation can cause forced responses of the drive system, the total dynamic responses are decided by three phase exciting voltages, exciting frequency and natural frequencies of the drive system, and the drive parameters have obvious influence on the time and frequency responses. | ||
| Key Words | ||
| toroidal drive; electromechanical integrated; dynamic response; electric excitation. | ||
| Address | ||
| Lizhong Xu and Xiuhong Hao: Mechanical Engineering Institute, Yanshan University, Qinhuangdao 066004, China | ||