永磁伺服电机模糊PID自整定SVPWM控制研究
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上海理工大学 光电信息与计算机工程学院上海200093

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TM921.47

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上海市张江国家自主创新重点项目(201310PIB2008)资助


Fuzzy PID selftuning SVPWM control research of PMSM
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Department of Electrical Engineering School of OpticalElectrical and Computer Engineering,University of Shanghai for Science &Technology,Shanghai 200093,China

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    摘要:

    针对永磁同步电机自身的非线性、强耦合性以及时变性特点,以及传统PID控制策略不能跟随系统参数的变化而自动做出整定等问题。通过对模糊理论分析,本文提出了一种简单实用的永磁同步电机控制策略,即模糊PID自整定SVPWM控制方式。采取SVPWM的方式产生三相电流驱动电机,通过模糊逻辑语句建立了模糊控制规则,并实现与PID控制参数相结合,实现实时改变电机控制参数功能,并利用MATLAB工具建立了模糊PID自整定SVPWM闭环矢量控制系统仿真模型。仿真结果表明:系统转速实现无超调,响应速度和扰动恢复时间与传统PID控制方式相比缩短了一半。该方法提高了永磁交流伺服系统的控制精度,具有良好的动静态性能,在工程应用上提供了一种简单、易实现的控制方法。

    Abstract:

    Aiming at the nonlinear, strong coupling and timevarying characteristics of permanent magnet synchronous motor and the traditional PID control strategy can't follow the change of system parameters and automatically make the corresponding setting. Through the analysis of fuzzy control, this paper puts forward a simple and practical control strategy of permanent magnet synchronous motor, namely fuzzy PID selftuning SVPWM control. Adopt the method of SVPWM produce three phase current drive motor, the fuzzy control rule was established based on fuzzy logic statements, and combined with PID control parameters, realtime change motor control parameters of the function, and using Matlab tools to establish the fuzzy selftuning PID SVPWM closedloop vector control system simulation model.The simulation results show that the system speed to realize no overshoot, response speed and disturbance recovery time shortened by half compared with the traditional PID control method. The method to improve the control precision of the permanent magnet ac servo system, has a good dynamic and static performance, on the engineering application provides a simple and easy to realize the control method.

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马立新,范洪成,黄阳龙.永磁伺服电机模糊PID自整定SVPWM控制研究[J].电子测量技术,2016,39(6):20-23

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  • 在线发布日期: 2016-07-21
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