基于DSP的無(wú)刷直流電機(jī)運(yùn)動(dòng)控制系統(tǒng)研究
本文選題:無(wú)刷直流電機(jī) + DSP。 參考:《西安工業(yè)大學(xué)》2013年碩士論文
【摘要】:近年來(lái),隨著電機(jī)控制技術(shù)、電力電子技術(shù)和微電子技術(shù)的快速發(fā)展,無(wú)刷直流電機(jī)作為-種高性能的電機(jī)已經(jīng)被廣泛應(yīng)用。無(wú)刷直流電機(jī)像交流電機(jī)一樣具有結(jié)構(gòu)簡(jiǎn)單、維護(hù)方便、運(yùn)行可靠等優(yōu)點(diǎn),同時(shí)也有直流電機(jī)的轉(zhuǎn)矩大、運(yùn)行效率高等優(yōu)點(diǎn),已經(jīng)在運(yùn)動(dòng)控制領(lǐng)域取得了廣泛的應(yīng)用。特別是它在高性能的運(yùn)動(dòng)控制系統(tǒng)中的運(yùn)用,使人們對(duì)無(wú)刷直流電機(jī)性能的要求也在不斷的提高。在電機(jī)本體優(yōu)化設(shè)計(jì)、電力電子裝置的控制及各種先進(jìn)控制策略等方面改善無(wú)刷直流電機(jī)性能,具有很大的社會(huì)效益和經(jīng)濟(jì)效益。 本課題從目前無(wú)刷直流電機(jī)控制系統(tǒng)的研究狀況出發(fā),對(duì)電機(jī)本體的基本結(jié)構(gòu)和常用的控制算法進(jìn)行分析,針對(duì)如何使電機(jī)更加平穩(wěn)的起動(dòng),減小電機(jī)轉(zhuǎn)矩脈動(dòng),提高系統(tǒng)的調(diào)速性能,實(shí)現(xiàn)系統(tǒng)數(shù)字化等問(wèn)題,設(shè)計(jì)并實(shí)現(xiàn)了基于DSP的無(wú)刷直流電機(jī)運(yùn)動(dòng)控制系統(tǒng)。論文首先研究了無(wú)刷直流電機(jī)的本體結(jié)構(gòu),并建立了數(shù)學(xué)模型,在此基礎(chǔ)上,對(duì)無(wú)刷直流電機(jī)控制系統(tǒng)建立仿真平臺(tái),通過(guò)仿真驗(yàn)證系統(tǒng)控制算法和性能,為微處理器電機(jī)控制系統(tǒng)的設(shè)計(jì)和調(diào)試提供了理論支撐。其次,根據(jù)無(wú)刷直流電機(jī)驅(qū)動(dòng)的控制要求,以及無(wú)刷直流電機(jī)的功能和特點(diǎn),采用TMS320F2812型號(hào)的DSP控制芯片設(shè)計(jì)了無(wú)刷直流電機(jī)控制系統(tǒng),并完成了控制系統(tǒng)的硬件、軟件設(shè)計(jì)。最后,論文給出實(shí)際電機(jī)控制開(kāi)環(huán)和閉環(huán)系統(tǒng)運(yùn)行時(shí)的實(shí)驗(yàn)測(cè)試情況,實(shí)驗(yàn)結(jié)果分析表明:本文設(shè)計(jì)的控制系統(tǒng)穩(wěn)定、起動(dòng)快速、穩(wěn)態(tài)誤差小,并具有較寬的調(diào)速范圍等良好的調(diào)速性能。
[Abstract]:In recent years, with the rapid development of motor control technology, power electronics technology and microelectronics technology, brushless DC motor as a kind of high-performance motor has been widely used. Brushless DC motor, like AC motor, has the advantages of simple structure, convenient maintenance, reliable operation and so on. At the same time, the brushless DC motor has many advantages such as large torque and high running efficiency. It has been widely used in the field of motion control. Especially its application in the high performance motion control system makes the performance of brushless DC motor more and more important. The performance of brushless DC motor is improved in the aspects of optimization design of motor body, control of power electronic device and various advanced control strategies. It has great social and economic benefits. Starting from the current research situation of brushless DC motor control system, this paper analyzes the basic structure and common control algorithms of the motor body, aiming at how to make the motor start more smoothly and reduce the torque ripple of the motor. In order to improve the speed regulation performance of the system and realize the digitization of the system, a brushless DC motor motion control system based on DSP is designed and implemented. Firstly, the structure of brushless DC motor is studied, and the mathematical model is established. On this basis, the simulation platform is established for the brushless DC motor control system, and the control algorithm and performance of the system are verified by simulation. It provides theoretical support for the design and debugging of microprocessor motor control system. Secondly, according to the control requirements of brushless DC motor drive, as well as the function and characteristics of brushless DC motor, the brushless DC motor control system is designed by DSP control chip of TMS320F2812 model, and the hardware and software of the control system are designed. Finally, the paper gives the experimental test of the actual motor control open-loop and closed-loop system. The experimental results show that the control system designed in this paper is stable, the starting speed is fast, and the steady-state error is small. And has a wide speed range and other good speed regulation performance.
【學(xué)位授予單位】:西安工業(yè)大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2013
【分類(lèi)號(hào)】:TM301.2
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