【正文】 n motor relations and coordinate transformation of the concept of principle, the establishment of the asynchronous motor in different coordinates on a mathematical model that the induction motor characteristics of the model is more than one variable, the nonstrong coupling Linear systems. In the asynchronous motor vector control on principle, given the vector transformation method to achieve the steps and followed that the threephase asynchronous motor mathematical model of how the lotus roots. Discussed in the twophase asynchronous electric power for the fieldoriented principle, the rotor flux on the method of calculation and design of the rotor flux observer. A detailed analysis of magnetic flux regulator, torque and speed regulator for regulating the working principle and design of the magnetic flux regulator, the regulator torque, speed regulator. MATLAB use the tools of flux SlMULINK closedloop vector control system simulation, the simulation results are given, and the simulation results were analyzed.Key words: induction motor, vector control, fieldoriented在20世紀的大部分年代里，鑒于直流傳動具有優(yōu)越的調(diào)速性能，高性能可調(diào)速都采用直流電動機(以下均簡稱為直流電機)，而約占電氣傳動總量80%的不變速動則采用交流電動機(以下均簡稱為交流電機)，這種分工在一段時期內(nèi)已成為一種舉世公認的格局。在論述了二相異步電功機的磁場定向原理后，介紹了轉(zhuǎn)子磁鏈的計算方法并設計了轉(zhuǎn)子磁鏈觀測器。本論文中所討論的是異步電動機矢量控制調(diào)速方法，相對于恒壓頻比控制和直接轉(zhuǎn)矩控制，它有動態(tài)性能和低速性能好、調(diào)速范圍寬等優(yōu)點。異步電動機調(diào)速系統(tǒng)設計異步電動機調(diào)速系統(tǒng)設計畢業(yè)設計摘要..........................................................................................................................................5Abstraet………………………………………………………………………....51緒論........................................................................................................................................7.................................................................................................7……………………………………………...…………………………...7..........................................................................7 PWM調(diào)制技術的發(fā)展概況....................................................................................11.................................................................................................................11........................................................................................12 V/F開環(huán)控制...........................................................................................................12.....................................................................................................................12...........................................................................................................13…….….….…….………….……………….………......................14........................................................................................................15............................................................................................................162建立矢量控制數(shù)學模型…….….….…….……….………….……………….…..………..17............................................................................................17........................................................................................................................20(3/2變換)...............................................................................20(2s/2r變換)..................................................................................................23…….….…….….……………………………………………...….243 矢量控制系統(tǒng)原理..............................................................................................................27............................................................................................................27................................................................................................................29.............................................................................................................29.............................................................................................................30............................................................................................................32(Apsir)原理.........................................................................................32(ATR)原理..............................................................................................35（ASR）原理...........................................................................................374系統(tǒng)的設計、仿真及其結(jié)果分.............................................................................................41.............................................................................41.......................................................................................................43...................................................................................................................44.......................................................................44...............................................................................46...........................................................................................505結(jié)論……………………………………………………………………………………….. 546參考文獻...............................................................................................................................55異步電動機調(diào)速系統(tǒng)設計摘要由于直流調(diào)速的局限性和交流調(diào)速的優(yōu)越性，以及計算機技術和電力電子器件的不斷發(fā)展，異步電動機變頻調(diào)速技術正在快速發(fā)展之中。目前廣泛研究應用的異步電動機調(diào)速技術有恒壓頻比控制方式、矢量控制、直接轉(zhuǎn)矩控制等。在對異步電動機的矢量控制原理進行闡述時，給出了矢量變換方法實現(xiàn)的步驟，并依次說明了三相異步電動機數(shù)學模型是如何解耦的。關鍵詞:異步電機，矢量控制，磁場定向AbstraetAs DC converter and the exchange of the limitations of the advantages of speed and power of puter technology and the constant development of electronic devices, asynchronous motor VVVF technology is rapidly developing. In the modern puter technology39。如果換成交流調(diào)速系統(tǒng)，把消耗在擋板和閥門上地能量節(jié)省來，每臺風機、水泵平均約可節(jié)能20%，效果很是可觀的。、極高轉(zhuǎn)速的交流調(diào)速直流電機換向器的換向能力限制了它的容量和轉(zhuǎn)速，超過這一數(shù)值時，因此，特大容量的轉(zhuǎn)動，如厚板機、礦井卷揚機等和極高轉(zhuǎn)速的轉(zhuǎn)動，如高速磨頭、離心機等都以采用交流調(diào)速為宜。這種方法被稱為電壓空間矢量控制，它通過引入頻率補償控制，消除速度控制穩(wěn)態(tài)誤差，基于電機的穩(wěn)態(tài)模型，用直流電流信號重建相電流，由此估算出磁鏈幅值，并通過反饋控制來消除低速時定子電阻對調(diào)速性能的影響。針對上述控制方法的缺點，國外一些學者通過對電機數(shù)學模型進行了簡化，實現(xiàn)了現(xiàn)在應用比較廣的矢量控制理論，也稱磁場定向控制。但是