| 表面圆度误差对磁力轴承动力学特性的影响 |
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| 引用本文： | 刘小静,梅荣海.表面圆度误差对磁力轴承动力学特性的影响[J].武汉理工大学学报,2011(3):145-148. |
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| 作者姓名： | 刘小静 梅荣海 |
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| 作者单位： | 武汉理工大学机电工程学院; |
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| 基金项目： | 湖北省自然科学基金重点项目(2009CDA028) |
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| 摘 要： | 针对磁力轴承传感器检测表面圆度误差,分析了圆度误差对磁力轴承电流刚度和位移刚度的影响,以及对常规PID控制下磁力轴承系统阶跃响应的影响。研究结果表明:位移刚度、电流刚度随误差而非线性变化,不利于系统稳定;圆度误差对阶跃干扰下系统超调量和调整时间产生影响,修正PID控制参数能减弱影响。
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| 关 键 词： | 磁力轴承 圆度误差 位移刚度 电流刚度 |
Effect of Circularity Error of AMB on its Dynamic Properties |
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| LIU Xiao-jing,MEI Rong-hai.Effect of Circularity Error of AMB on its Dynamic Properties[J].Journal of Wuhan University of Technology,2011(3):145-148. |
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| Authors: | LIU Xiao-jing MEI Rong-hai |
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| Affiliation: | LIU Xiao-jing,MEI Rong-hai(School of Mechanical and Electronic Engineering,Wuhan University of Technology,Wuhan 430070,China) |
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| Abstract: | The paper analyse the circularity error of the surface of the magnetic bearing rotor,the effect of circularity error of AMB on current stiffness and displacement stiffness is analyzed,and analyse the effect of circularity error of surfacethe on step-interference under conventional PID control.The results show displacement stiffness and current stiffness is nonlinear changing,which is not conductive to system stability.The circularity error effects overshoot and adjusting time of system under step-interferen... |
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| Keywords: | active magnetic bearing(AMB) circularity error displacement stiffness current stiffness |
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