无刷直流力矩电动机双闭环控制策略仿真分析

黄智; 郭宏; 王大彧; 徐金全

无刷直流力矩电动机双闭环控制策略仿真分析

北京航空航天大学自动化科学与电气工程学院, 北京 100191

基金项目: 航空科学基金资助项目(2007ZC51039)

详细信息

中图分类号: TM 301.2
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出版历程
- 收稿日期: 2009-11-23
- 网络出版日期: 2011-01-31

Simulation and analysis of brushless DC motor double closed-loop control strategy

School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

摘要

摘要: 针对直接驱动阀(DDV,Direct Drive Valve)伺服系统存在负载扰动和经典的"三环"结构不能满足DDV伺服系统快速性要求的问题,采用双闭环控制系统.对位置环+速度环和位置环+电流环两种双闭环系统进行比较,在频域内设计和优化调节器的控制参数.仿真结果表明:双闭环系统均具有较好的稳定性和动态跟踪品质,能有效地克服负载扰动的影响.在系统阻尼系数很小的情况下,位置环+速度环系统的负载适应性更好,位置环+电流环系统快速性更好,与理论分析结果符合.
- 无刷直流电动机 /
- 直接驱动阀 /
- 双闭环控制
Abstract: Load disturbance exists in direct drive valve(DDV) servo system. Meanwhile conventional triplex closed-loop control structure cannot satisfy DDV servo system in rapidity. Therefore double closed-loop control structure was adopted. Position and velocity double closed-loop system was compared with position and current double closed-loop system. The optimal proportion integral coefficients could be obtained through the method of frequency domain analysis. The simulation results show that double closed-loop control systems perform well in static and dynamic operation. Meanwhile the influence of load disturbance can be reduced effectively. When the system has a small damping coefficient, position and velocity double closed-loop system performs better in load adaptability. Position and current double closed-loop system performs better in rapidity. The comparison between the simulation results and theoretical analysis shows a good agreement.
- brushless DC motor /
- direct drive valve(DDV) /
- double closed-loop control

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参考文献(1)

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