摘要
探讨了无位置传感器无刷直流电动机(BLDCM)变频调速系统的硬件设计过程,给出了基于智能功率模块(IPM)PS21865的主电路实现方案,完成了以数字信号处理器TMS320LF2407A为核心的控制电路和辅助电路的硬件设计,整个系统集成度高、控制灵活、功能完善。试验结果表明,无位置传感器BLDCM变频调速系统具有良好的调速性能,系统控制精度高、运行稳定可靠,具有实际应用价值。
The hardware design process of the variable frequency speed regulation system for sensorless BLDCM was presented.The main circuit implementation scheme based on IPM-PS21865 was given and the hardware design of auxiliary circuit and controller which used TMS320LF2407A(DSP) as the core was completed.Experimental results showed that the system has high control precision,safe and stable operation and good speed adjusting performance can be achieved.Therefore,it has good prospects for applications.
出处
《电机与控制应用》
北大核心
2010年第5期32-36,共5页
Electric machines & control application
基金
广东省科技计划项目资助(2005A10505005
2007B010400080)
关键词
无刷直流电动机
变频调速
无位置传感器
brushless DC motor（BLDCM）
variable frequency speed regulation
sensorless
