Analysis on stiffness and damping performance of active magnetic bearing system |
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| Authors: | Xiping Wang Liang Yu Jingui Wan Weidong Cui |
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| Institution: | Wang Xiping Yu Liang (Shanghai University) Wan Jingui Cui Weidong (Xian Jiaotong University) |
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| Abstract: | The relations of the stiffness and damping performance to the structure parameters of an active magnetic bearing (AMB) system and the frequency specificity of the control loop are analyzed. The effects of the control current phase on the stability, the stiffness and the damping properties of the system are presented.Meanwhile,a new concept of complex damping coefficient,the practical meanings of some system properties, and the calculation methods are discussed and described. |
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| Keywords: | AMB system complex stiffness coefficient complex damping coefficient controller frequency specificity |
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