隔爆低频永磁同步电动机矢量控制方式研究

摘要

为了解决隔爆低频（ TBD）型永磁同步电动机（ PMSM）中如何利用精确的转子位置和速度信号去实现磁场定向的问题，分析了永磁同步电动机的矢量控制理论，讨论了无传感器矢量控制方案，提出了基于空间电压矢量脉宽调制（ SVPWM）技术的矢量控制方案，采用TMS320LF2812为核心处理器进行矢量控制系统的硬件设计，采用 DSP 编程实现该系统的软件设计，进行了基于无传感器矢量控制系统的仿真研究及实验波形分析。结果表明：无传感器矢量控制方案具有很好的动态特性，能够稳定运行，满足驱动系统的要求。%In order to solve the problem of the flame-proof low-frequency ( TBD ) permanent magnet synchronous motor(PMSM)in how to use the accurate rotor position and speed signals to realize magnetic field orientation , ana-lyzes the vector control theory , permanent magnet synchronous motor vector control scheme is discussed , based on the space voltage vector pulse width modulation ( SVPWM ) technology of the vector control scheme , Using TMS320LF2812 as the core processor to vector control system hardware design and System software design is real -ized by using DSP programming ,, has carried on the simulation research based on the sensorless vector control sys-tem and experimental waveform analysis .The results show that the sensorless vector control scheme has good dy-namic characteristic in theory , can stable operation , to meet the requirements of the drive system .