【摘要】：本文主要對車用開關(guān)磁阻電機控制系統(tǒng)進行研究，，在對電動車驅(qū)動系統(tǒng)的發(fā)展現(xiàn)狀進行了總結(jié)分析的基礎(chǔ)上，對目前應(yīng)用比較廣泛的幾種電機驅(qū)動控制系統(tǒng)的優(yōu)缺點進行分析和比較。介紹了車用開關(guān)磁阻電機驅(qū)動控制系統(tǒng)的組成和開關(guān)磁阻電機的特點。設(shè)計了開關(guān)磁阻電機驅(qū)動系統(tǒng)的主電路、驅(qū)動電路和位置檢測電路。在對開關(guān)磁阻電機電流斬波、電壓斬波和角度控制三種基本的控制方式分析的基礎(chǔ)上，提出了在低速、中速和高速三個不同的速度段采用三種不同的控制方式，并以提高效率為目標，在線改變開通角和關(guān)斷角作為開關(guān)磁阻電機的控制策略。對以dsPIC30F6010A為核心的控制器進行設(shè)計,在硬件方面，設(shè)計了電壓、電流和溫度檢測電路，邏輯信號輸出電路和鍵盤顯示電路。在軟件方面，基于開關(guān)磁阻電機dsPIC30F6010A控制器和提出的寬范圍調(diào)速控制策略進行了主程序和子程序流程圖的設(shè)計，并采用C語言對控制器進行了相應(yīng)的控制程序開發(fā)和調(diào)試。通過搭建的7.5kW開關(guān)磁阻電動機控制平臺進行實驗，并對速度波形和不同速度段的電流波形進行采集比較和分析，驗證了三段式寬范圍調(diào)速控制方式具有良好的啟動、加速、減速性能，很適合在電動車上應(yīng)用。最后對全文工作進行了總結(jié)，并指出了下一步工作的方向。
[Abstract]:In this paper, the control system of switched reluctance motor for vehicle is studied, and the development of the drive system of electric vehicle is summarized and analyzed. The advantages and disadvantages of several motor drive control systems which are widely used at present are analyzed and compared. The composition of the drive control system of the switched reluctance motor and the characteristics of the switched reluctance motor are introduced. The main circuit, driving circuit and position detecting circuit of switched reluctance motor are designed. Based on the analysis of three basic control methods, current chopping, voltage chopping and angle control of switched reluctance motor, three different control methods are proposed in the low speed, middle speed and high speed stages. In order to improve the efficiency, changing the turn-on angle and turn-off angle on line is the control strategy of switched reluctance motor (SRM). The controller with dsPIC30F6010A as the core is designed. In the aspect of hardware, the detection circuit of voltage, current and temperature, the output circuit of logic signal and the keyboard display circuit are designed. In terms of software, the main program and subroutine flow chart are designed based on the dsPIC30F6010A controller of switched reluctance motor and the proposed wide range speed control strategy, and the corresponding control program is developed and debugged by C language. Through the experiment of the 7.5kW switched reluctance motor control platform and the comparison and analysis of the velocity waveform and the current waveform of different speed section, it is verified that the three-segment wide range speed control method has good start and acceleration. Deceleration performance, very suitable for the application of electric vehicles. Finally, the paper summarizes the work and points out the direction of the next work.
【學位授予單位】：中國礦業(yè)大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM352

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