本文選題：永磁同步電機(jī) + 模型參考自適應(yīng)　； 參考：《吉林大學(xué)》2014年碩士論文

【摘要】：近年來(lái)，永磁同步電機(jī)在工業(yè)控制、家用空調(diào)、電動(dòng)汽車等領(lǐng)域的廣泛應(yīng)用已有目共睹，相關(guān)控制技術(shù)的研究隨之也越來(lái)越受重視。對(duì)于永磁同步電機(jī)的控制系統(tǒng)，特別是對(duì)于采用矢量控制策略的調(diào)速系統(tǒng)，轉(zhuǎn)子的速度與位置是兩個(gè)不可或缺的重要參數(shù)，對(duì)此，可以采用位置傳感器直接獲取相關(guān)信息，也可以通過(guò)無(wú)位置控制算法間接估算，二者相比，采用無(wú)位置傳感器控制算法的電機(jī)系統(tǒng)顯然具有成本低、體積小、結(jié)構(gòu)簡(jiǎn)單、可靠性高等優(yōu)點(diǎn)。 本文正是基于以上背景展開(kāi)研究，首先對(duì)永磁同步電機(jī)的結(jié)構(gòu)、基本原理、數(shù)學(xué)模型等進(jìn)行介紹，并詳細(xì)論述了永磁同步電機(jī)的控制理論以及無(wú)位置傳感器控制技術(shù)，同時(shí)分析了矢量控制技術(shù)、SVPWM控制技術(shù)和雙閉環(huán)PI控制技術(shù)等技術(shù)的原理與實(shí)現(xiàn)方法。 其次，重點(diǎn)選取了模型參考自適應(yīng)與滑模觀測(cè)器兩種估算方法，闡述二者的基本原理，詳細(xì)給出二者應(yīng)用于電機(jī)控制的理論證明過(guò)程，并闡明了基于這兩種方法的永磁同步電機(jī)無(wú)位置傳感器控制技術(shù)的實(shí)現(xiàn)。 最后，本文以具有凸極特性的永磁同步電機(jī)為研究對(duì)象，以MATLAB建模仿真為技術(shù)手段，實(shí)現(xiàn)并驗(yàn)證了分別基于模型參考自適應(yīng)和滑模觀測(cè)器兩種估算方法的無(wú)位置傳感器控制技術(shù)，對(duì)二者仿真估算速度和位置的結(jié)果進(jìn)行對(duì)比分析。
[Abstract]:In recent years, permanent magnet synchronous motor (PMSM) has been widely used in industrial control, household air conditioning, electric vehicle and so on.For the control system of permanent magnet synchronous motor (PMSM), especially for the speed control system with vector control strategy, the speed and position of the rotor are two indispensable important parameters. For this, the position sensor can be used to obtain the relevant information directly.Compared with the position sensorless control algorithm, the motor system using the position-sensorless control algorithm has the advantages of low cost, small volume, simple structure, high reliability and so on.In this paper, the structure, basic principle and mathematical model of permanent magnet synchronous motor (PMSM) are introduced, and the control theory and sensorless control technology of PMSM are discussed in detail.At the same time, the principle and realization method of vector control technology, SVPWM control technology and double closed loop Pi control technology are analyzed.Secondly, two estimation methods of model reference adaptive and sliding mode observer are selected, the basic principles of them are expounded, and the theoretical proof process of their application in motor control is given in detail.The realization of sensorless permanent magnet synchronous motor (PMSM) control technology based on these two methods is described.Finally, this paper takes the permanent magnet synchronous motor with salient pole characteristics as the research object, and takes MATLAB modeling and simulation as the technical means.The sensorless control techniques based on model reference adaptive and sliding mode observer are implemented and validated respectively. The simulation results of speed and position estimation are compared and analyzed.
【學(xué)位授予單位】：吉林大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM341

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本文編號(hào)：1734916