本文選題：無刷直流電機(jī) + MATLAB�。� 參考：《太原科技大學(xué)》2014年碩士論文

【摘要】：隨著科學(xué)技術(shù)的不斷發(fā)展，高科技所帶來的機(jī)器智能化已經(jīng)被大部分人們所了解與應(yīng)用，尤其是洗衣機(jī)、冰箱等家用電器的普及化，對這些電器的要求已經(jīng)不單單是在功能上，還越來越注重它們的節(jié)能與環(huán)保。同時作為綠色家電驅(qū)動系統(tǒng)的主力，，無刷直流電機(jī)直接驅(qū)動系統(tǒng)正朝著多功能、高效節(jié)能與環(huán)保化等方面發(fā)展。本文是在考慮成本與性能的基礎(chǔ)上設(shè)計一種可以應(yīng)用于洗衣機(jī)上的無刷直流電機(jī)調(diào)速系統(tǒng)。 論文首先通過學(xué)習(xí)無刷直流電機(jī)基本工作原理以及分析電機(jī)數(shù)學(xué)模型和電樞繞組連接方式，對無刷直流電機(jī)的控制方式(開環(huán)與閉環(huán))、（傳統(tǒng)PID控制與Fuzzy PID控制）進(jìn)行了對比，并選取了合適的控制方式： Fuzzy PID雙閉環(huán)控制方法。 其次在MATLAB/Simulink下建立了BLDCM控制系統(tǒng)模型，通過對比Fuzzy PID控制調(diào)速系統(tǒng)與傳統(tǒng)PID控制調(diào)速系統(tǒng)下的轉(zhuǎn)速波形圖，得出采用Fuzzy PID控制方法的調(diào)速系統(tǒng)比采用傳統(tǒng)PID控制方法的調(diào)速系統(tǒng)具有更好的靜、動態(tài)性能，響應(yīng)更快，在突加負(fù)載時轉(zhuǎn)速降也較小，抗干擾的能力更強(qiáng)。 最后本文又給出了無刷直流電機(jī)控制系統(tǒng)的軟硬件設(shè)計方略，通過protel DXP軟件對系統(tǒng)的驅(qū)動板進(jìn)行設(shè)計，核心處理器選擇的是市場上最普通的STC89C52系列單片機(jī)，逆變單元是由Mosfet功率管P75NF75組成的三相逆變橋，驅(qū)動電路是由美國IR公司生產(chǎn)的IR2110系列驅(qū)動器芯片所組成，通過設(shè)計系統(tǒng)的逆變電路、驅(qū)動電路、電源電路等，參照MATLAB/Simulink仿真模型中的控制算法，對電機(jī)的調(diào)速控制系統(tǒng)進(jìn)行軟件設(shè)計，為系統(tǒng)的理論驗證給出了依據(jù)。
[Abstract]:With the development of science and technology, the intelligence of machines brought by high technology has been understood and applied by most people, especially the popularization of household appliances such as washing machines, refrigerators and so on.Also pay more and more attention to their energy conservation and environmental protection.At the same time, as the main driving system of green household appliances, brushless DC motor direct drive system is developing towards multifunction, high efficiency, energy saving and environmental protection.This paper designs a brushless DC motor speed regulating system based on cost and performance.Firstly, by studying the basic working principle of brushless DC motor and analyzing the mathematical model of the motor and the connection mode of armature winding, the paper compares the control modes of brushless DC motor (open loop and closed loop) (traditional PID control and Fuzzy PID control).And the suitable control mode: Fuzzy PID double closed loop control method is selected.Secondly, the BLDCM control system model is established under MATLAB/Simulink, and the speed waveform of Fuzzy PID control system is compared with that of traditional PID control system.It is concluded that the speed control system with Fuzzy PID control method has better static and dynamic performance, faster response, less speed drop and stronger anti-interference ability than the speed control system with traditional PID control method.Finally, the hardware and software design strategy of brushless DC motor control system is given. The drive board of the system is designed by protel DXP software. The core processor is the most common STC89C52 series single-chip microcomputer in the market.The inverter unit is a three-phase inverter bridge composed of Mosfet power transistor P75NF75. The driving circuit is composed of IR2110 series driver chips produced by IR Company of USA. The inverter circuit, drive circuit, power supply circuit and so on are designed.According to the control algorithm in the MATLAB/Simulink simulation model, the software design of the motor speed control system is carried out, which provides the basis for the theoretical verification of the system.
【學(xué)位授予單位】：太原科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：TM33

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