基于DSP的永磁同步电机控制系统硬件设计

摘要

以小功率永磁同步电机(PMSM)为研究对象,结合数字信号处理器TMS320F2812功能特点,给出了一套PMSM驱动控制系统硬件设计方案.详细阐述了功率驱动主电路、反馈信号检测电路以及供电电路的设计,介绍了主要元器件选型和参数计算方法.基于设计的硬件平台,对PMSM调速控制系统进行了测试.试验结果表明,所设计的控制系统硬件设计可靠、性能稳定、控制精度高.%Based on the controlled object of small power permanent magnet synchronous motor (PMSM),combined with the main features of digital signal processor TMS320F2812,an overall hardware design scheme had been put forward for the PMSM drive control system.Design of the power driven main circuit had illustrated,signal detection circuit and power supply circuit in detail,meanwhile introduced the main components selection and parameters calculation method.Based on the designed hardware platform,the control system of PMSM had been performed a functional test.Experimental results showed that the hareware design of control system had good reliability with stable performance and high control precision.