【摘要】：隨著科技與時(shí)代的進(jìn)步,家用洗衣機(jī)開(kāi)始向全自動(dòng)智能變頻洗衣機(jī)轉(zhuǎn)變,洗衣機(jī)電機(jī)也從傳統(tǒng)的單相異步電機(jī)逐漸被高效率的無(wú)刷直流電機(jī)所替代。采用無(wú)刷直流電機(jī)作為洗衣機(jī)電機(jī)比傳統(tǒng)洗衣機(jī)電機(jī)效率更高,噪聲更低。所以,研究無(wú)刷直流電機(jī)在洗衣機(jī)應(yīng)用上的控制技術(shù)是十分有必要的。 本文首先根據(jù)無(wú)刷直流電機(jī)的內(nèi)部結(jié)構(gòu)和運(yùn)行原理,通過(guò)對(duì)整個(gè)電機(jī)的結(jié)構(gòu)數(shù)學(xué)分析和MATLAB建模,建立了控制系統(tǒng)的仿真模型,通過(guò)仿真實(shí)驗(yàn),驗(yàn)證了無(wú)刷直流電機(jī)的工作原理,并獲取了控制系統(tǒng)的構(gòu)建參數(shù)。其次,基于仿真結(jié)果和理論分析,本文設(shè)計(jì)了一套以ARM處理器STM32F103RBT6和IPM(Intelligent Power Module)智能功率模塊IGCM10F60GA為控制核心的硬件系統(tǒng),其中包含邏輯控制電路、信號(hào)檢測(cè)電路、驅(qū)動(dòng)及逆變電路。然后,根據(jù)家用洗衣機(jī)的工作特點(diǎn),在本文構(gòu)建的硬件平臺(tái)基礎(chǔ)上設(shè)計(jì)了一套控制算法,其中包含了轉(zhuǎn)速測(cè)量算法、電流檢測(cè)算法、換相控制算法、啟動(dòng)和制動(dòng)控制算法,并通過(guò)軟件編程將這些算法一一實(shí)現(xiàn)。最后,本文對(duì)根據(jù)家用電器國(guó)家3C認(rèn)證對(duì)電磁兼容性的具體要求,對(duì)整套控制系統(tǒng)進(jìn)行了電磁兼容性分析,設(shè)計(jì)了抗電磁干擾電路,并通過(guò)EMI(Electromagnetic Interference)傳導(dǎo)檢測(cè)實(shí)驗(yàn)室測(cè)試。 所設(shè)計(jì)的無(wú)刷直流電機(jī)控制系統(tǒng),經(jīng)實(shí)驗(yàn)室測(cè)試和洗衣機(jī)帶載測(cè)試,基本滿足全自動(dòng)智能變頻洗衣機(jī)的功能和技術(shù)指標(biāo)要求,電磁兼容性也符合家用電器國(guó)家3C認(rèn)證相關(guān)標(biāo)準(zhǔn)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.
【學(xué)位授予單位】：杭州電子科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM33

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