dSPACE平台下PMSM矢量控制与直接转矩控制研究

Research on the PMSM Vector Control and Direct Torque Control Based on dSPACE Platform

目前应用于永磁同步电机的主流控制算法有矢量控制与直接转矩控制两种方法,关于这两种算法的控制性能分析和对比一直是研究的热点。对永磁同步电机建立数学模型,分析两种控制算法的原理,在dSPACE平台上搭建算法的控制系统模型并进行仿真,对电机实物进行控制。通过对电机运行效果的观测和分析,总结出两种控制算法的不同特性。

At present, there are two major control algorithms used in permanent magnet synchronous motor： vector control and direct torque control. The analysis ＆ comparison of the two algorithms about their control performance has always been a hot research subject. In this pa-per, mathematical model of permanent magnet synchronous motor is bui lt, and the principle of the two control algorithms is analyzed. Then the control system model of these algorithms based on dSPACE platform is established and simulated to control the physical motor. Through observation and analysis of the motor running effect, the different characteristics of the two control algorithms are summarized.