永磁同步电机的自适应逆控制  

Adaptive Inverse Control of Permanent Magnet Synchronous Motor

作　　者：耿洁[1] 陈振[1] 刘向东[1] 赖志林[1] 

机构地区：[1]北京理工大学自动化学院,北京100081

出　　处：《电工技术学报》2011年第6期51-55,61,共6页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金资助项目(10872030)

摘　　要：设计了自适应逆控制的永磁同步电机(PMSM)控制系统,控制系统采用双闭环结构的矢量控制,将自适应逆控制方法引入速度控制。运用非线性自适应滤波器,实现系统的建模与逆建模,并引入滤波器构成了速度控制器,采用最小均方差(Least Mean Square,LMS)自适应滤波算法在线调整其权函数,实现速度的精确控制。在基于DSP的永磁同步电机速度控制系统平台上的实验结果表明,非线性滤波器能够建立电流环模型,提出的非线性自适应逆控制方法能够实现精确的速度控制。与PID控制方法相比,具有更精确的速度跟踪性及更快的响应速度。This paper brings forward adaptive inverse control strategy for vector-controlled permanent magnet synchronous motor（PMSM）.The system＇s control structure adopts two closed loop including velocity and current.Nonlinear adaptive filter is used to approach the model and inverse model of the system.The nonlinear adaptive inverse strategy is built for precise speed control with the nonlinear filter is put preceding the PMSM control system plant as the inverse controller.LMS adaptive filter algorithm is used to adjust the weight function.Experiments are done on the speed control system of PMSM.The experimental result shows that the nonlinear filter can model the current loop.The proposed nonlinear adaptive inverse control achieves a precise speed control and has better and faster tracking performance compared with PID control.

关 键 词：永磁同步电机 矢量控制 非线性自适应滤波器 自适应逆控制 

分 类 号：TM351[电气工程—电机]