基于Lyapunov新型永磁同步电机速度辨识  

A New PMSM Speed Estimation Method base on Lyapunov

作　　者：张艳 凌云[2] 何亚屏[2] 

机构地区：[1]深圳达实智能股份有限公司工业智能化事业部,广东深圳518057 [2]中南大学信息科学与工程学院,湖南长沙410083

出　　处：《中国科技博览》2009年第26期180-182,共3页China Science and Technology Review

基　　金：国家自然科学基金项目（60474029）

摘　　要：无速度控制是永磁同步电机控制系统的一个热点，本文以永磁同步电机本身为参考模型，变换电机的数学模型构建可调模型，设计Lyapunov稳定理论，保证系统稳定条件下推导出转速自适应律算法，本方案动态性能好，理论上能充分保证系统稳定，并将其应用在永磁同步电机矢量控制系统当中，通过仿真得到结果验证了本方案的正确性和可行性同时与基于POPOV理论的模型参考自适应方案的仿真结果进行比较，分析研究本方案的优劣。Speed identification is always a core issue in the speed sensorless control system of permanent magnet synchronous motor. This paper use the permanent magnet synchronous motor as a reference model, the mathematical mode of motor is changed to the adjustable model. The speed estimation rate is devried by Lyapunov stability theorem. The control process is simple and electrical parameters are not sensitive in our program. Therefore load disturbance to influence of speed identification is reduced and the program is applied in the permanent magnet synchronous motor vector control system. At last through the simulation results, it shows the correctness and feasibility of the program, and compared with the model reference adaptive program; simulation based Popov theory it can be seen the advantages and disadvantages of the program.

关 键 词：永磁同步电机 模型参考自适应 矢量控制系统 速度辨识 

分 类 号：TM301.2[电气工程—电机]