發(fā)布時(shí)間：2018-02-01 17:56

  本文關(guān)鍵詞： 直接轉(zhuǎn)矩控制 開關(guān)磁阻電機(jī) 滑膜觀測(cè)器 蓄電池電機(jī)車 無位置傳感　出處：《安徽理工大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：礦用蓄電池機(jī)車作為煤礦現(xiàn)場(chǎng)主要的運(yùn)輸設(shè)備,在煤礦生產(chǎn)中發(fā)揮著至關(guān)重要的作用。直流電機(jī)作為傳統(tǒng)礦用電機(jī)車的主要牽引設(shè)備,其性能的好壞直接影響著電機(jī)車的運(yùn)行效率。隨著變頻調(diào)速技術(shù)和電力電子的發(fā)展,交流調(diào)速系統(tǒng)與直流調(diào)速系統(tǒng)相比,具有高效率、動(dòng)態(tài)性能好和維護(hù)方便等特點(diǎn)。因此,交流調(diào)速系統(tǒng)已開始慢慢取代傳統(tǒng)的直流調(diào)速系統(tǒng)。開關(guān)磁阻電機(jī)調(diào)速系統(tǒng)作為一種新型交流調(diào)速系統(tǒng),具有結(jié)構(gòu)簡(jiǎn)單、控制靈活、故障率低和運(yùn)行效率高等特點(diǎn),適合作為礦用電機(jī)車的牽引動(dòng)力。 本文通過研究開關(guān)磁阻電機(jī)的工作方式和數(shù)學(xué)模型,針對(duì)開關(guān)磁阻電機(jī)低速運(yùn)行過程中出現(xiàn)轉(zhuǎn)矩脈動(dòng)大的問題,提出了一種基于直接轉(zhuǎn)矩控制的新型開關(guān)磁阻電機(jī)調(diào)速系統(tǒng)。通過MATLAB軟件對(duì)控制系統(tǒng)進(jìn)行了建模和仿真,仿真結(jié)果表明,基于直接轉(zhuǎn)矩控制的開關(guān)磁阻電機(jī)調(diào)速系統(tǒng)轉(zhuǎn)矩脈動(dòng)小、轉(zhuǎn)速響應(yīng)快。 轉(zhuǎn)子位置傳感器在開關(guān)磁阻電機(jī)調(diào)速系統(tǒng)中發(fā)揮著重要的作用,但位置傳感器的高故障率已成為限制開關(guān)磁阻電機(jī)發(fā)展的重要因素。本文基于滑模變結(jié)構(gòu)控制技術(shù),提出了一種開關(guān)磁阻電機(jī)無位置傳感器調(diào)速方法,該方法通過建立開關(guān)磁阻電機(jī)的非線性電感模型,并采用滑模觀測(cè)器(SMO)對(duì)開關(guān)磁阻電機(jī)轉(zhuǎn)子位置角進(jìn)行估算,實(shí)現(xiàn)了開關(guān)磁阻電機(jī)無位置傳感器調(diào)速系統(tǒng)。系統(tǒng)仿真結(jié)果表明,轉(zhuǎn)子位置角估算精度高,且具有較強(qiáng)的魯棒性和自適應(yīng)性。 最后,本文完成了基于ARM內(nèi)核的高性能處理芯片STM32F103VET6的礦用電機(jī)車調(diào)速系統(tǒng)的軟硬件設(shè)計(jì)。現(xiàn)場(chǎng)樣機(jī)實(shí)驗(yàn)的結(jié)果表明：基于滑膜觀測(cè)器的礦用電機(jī)車直接轉(zhuǎn)矩控制系統(tǒng),有效的降低了調(diào)速系統(tǒng)的故障率,提高了礦用電機(jī)車調(diào)速系統(tǒng)的運(yùn)行效率,可以很好的適應(yīng)煤礦井下的復(fù)雜的工作環(huán)境。
[Abstract]:As the main transportation equipment in coal mine, mine battery locomotive plays an important role in coal mine production. DC motor is the main traction equipment of traditional mine electric locomotive. Its performance directly affects the running efficiency of electric locomotives. With the development of frequency conversion and power electronics, AC speed regulation system is more efficient than DC speed control system. Therefore, AC speed regulation system has gradually replaced the traditional DC speed regulation system. As a new type of AC speed regulation system, switched reluctance motor speed regulation system has a simple structure. The features of flexible control, low failure rate and high running efficiency are suitable for traction power of mine electric locomotives. By studying the working mode and mathematical model of switched reluctance motor (SRM), this paper aims at the problem of high torque ripple in low speed operation of SRM. A novel switched reluctance motor speed regulation system based on direct torque control (DTC) is proposed. The simulation results show that the control system is modeled and simulated by MATLAB software. The switched reluctance motor speed control system based on direct torque control has small torque ripple and fast speed response. Rotor position sensor plays an important role in switched reluctance motor speed regulation system. However, the high failure rate of position sensor has become an important factor limiting the development of switched reluctance motor. Based on the sliding mode variable structure control technology, a sensorless speed regulation method for switched reluctance motor is proposed in this paper. In this method, the nonlinear inductance model of switched reluctance motor (SRM) is established, and the rotor position angle of SRM is estimated by sliding mode observer (SMO). A sensorless speed regulation system for switched reluctance motor is implemented. The simulation results show that the rotor position angle estimation is accurate and robust and adaptive. Finally. In this paper, the software and hardware design of the speed control system of mine electric locomotive based on ARM core and high performance processing chip STM32F103VET6 is completed. The result of field prototype experiment shows that:. The Direct torque Control system of Mine Electric Locomotive based on synovial Observer. It can effectively reduce the failure rate of the speed regulation system, improve the running efficiency of the speed control system of mine electric locomotive, and can adapt to the complex working environment of the coal mine well.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TD64

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本文編號(hào)：1482482