基于ARM的无刷直流电机控制系统的设计与实现

发布时间：2019-03-25 11:56

【摘要】：随着科技与时代的进步,家用洗衣机开始向全自动智能变频洗衣机转变,洗衣机电机也从传统的单相异步电机逐渐被高效率的无刷直流电机所替代。采用无刷直流电机作为洗衣机电机比传统洗衣机电机效率更高,噪声更低。所以,研究无刷直流电机在洗衣机应用上的控制技术是十分有必要的。本文首先根据无刷直流电机的内部结构和运行原理,通过对整个电机的结构数学分析和MATLAB建模,建立了控制系统的仿真模型,通过仿真实验,验证了无刷直流电机的工作原理,并获取了控制系统的构建参数。其次,基于仿真结果和理论分析,本文设计了一套以ARM处理器STM32F103RBT6和IPM(Intelligent Power Module)智能功率模块IGCM10F60GA为控制核心的硬件系统,其中包含逻辑控制电路、信号检测电路、驱动及逆变电路。然后,根据家用洗衣机的工作特点,在本文构建的硬件平台基础上设计了一套控制算法,其中包含了转速测量算法、电流检测算法、换相控制算法、启动和制动控制算法,并通过软件编程将这些算法一一实现。最后,本文对根据家用电器国家3C认证对电磁兼容性的具体要求,对整套控制系统进行了电磁兼容性分析,设计了抗电磁干扰电路,并通过EMI(Electromagnetic Interference)传导检测实验室测试。所设计的无刷直流电机控制系统,经实验室测试和洗衣机带载测试,基本满足全自动智能变频洗衣机的功能和技术指标要求,电磁兼容性也符合家用电器国家3C认证相关标准要求。
[Abstract]:With the development of science and technology and the development of the times, the household washing machine began to change to full automatic intelligent frequency conversion washing machine, and the washing machine motor was gradually replaced by the high-efficiency brushless DC motor from the traditional single-phase asynchronous motor. Using brushless DC motor as washing machine motor is more efficient and less noise than traditional washing machine motor. Therefore, it is necessary to study the control technology of brushless DC motor in washing machine application. Firstly, according to the internal structure and operation principle of brushless DC motor, through mathematical analysis and MATLAB modeling of the whole motor, the simulation model of the control system is established, and the working principle of the brushless DC motor is verified by the simulation experiment. The construction parameters of the control system are obtained. Secondly, based on the simulation results and theoretical analysis, a hardware system based on ARM processor STM32F103RBT6 and IPM (Intelligent Power Module) intelligent power module IGCM10F60GA is designed, which includes logic control circuit, signal detection circuit, and so on. Drive and inverter circuit. Then, according to the characteristics of household washing machine, a set of control algorithm is designed on the basis of the hardware platform, which includes speed measurement algorithm, current detection algorithm, commutation control algorithm, start-up and brake control algorithm. And through software programming, these algorithms are implemented one by one. Finally, according to the specific requirements for electromagnetic compatibility of the national 3C certification of household appliances, the electromagnetic compatibility of the whole control system is analyzed, and the anti-electromagnetic interference circuit is designed, and tested by the EMI (Electromagnetic Interference) conduction testing laboratory. The designed brushless DC motor control system has been tested in the laboratory and the load test of the washing machine, which basically meets the requirements of the function and technical specifications of the fully automatic intelligent frequency conversion washing machine. Electromagnetic compatibility also conforms to the national 3C certification of household appliances related standards requirements.
【学位授予单位】：杭州电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM33

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