【正文】
Henan Polytechnic UniversityJiao Zuo, ChinaEmail:Renning66Abstract:Most of the existing elevator door driven by rotary motors, this paper used to design the permanent magnet linear synchronous motor as the Drive Fixed Motor,the door can eliminate the need of drive mechanism between the motor and the door, direct drive door in a straight line,improve reliability and security of the door machine. Through experimental analysis, the design uses DSP and Intelligent Power Module (IPM) bination of control system for elevator door operation by setting curve and stable operation.Keywords: Permanent magnet linear synchronous motor。mainly include controller,SPWM,signal generator,rectifier circuit,intelligent power module IPM and sensors, etc. The controller selects and uses the TI Company’s TMS320LF2407, 2407 has builtin module and pulse coding capture circuit, which can produce PWM power module IPM uses Fuji Company’s 6MBP15RH060,to simplify the power circuit design by the builtin drive system’s designation is mainly revolves control chip 2407 and intelligent power module IPM, using hall current sensor monitoring electric current on realtime, the current signal sent to DSP control chip to current peculiar protection.[2][3] Adopting photoelectric encoder detecting the door’s operating position and speed.Figure 2 control system handware structureC. System controller chart The control system use feedback control on three close loops: the position P,velocity V,and current I, diagram of system controller block as shown in Figure 3. The control process is,first of all, pare location P measured by optical encoder and position mand P*,then find the speed mand value V* by the position controller,the signal by pared V with V* after the speed controller find the current vector mand I。關(guān)鍵詞:永磁直線同步電動機。[1] 目前在國內(nèi)的電梯門市場,驅(qū)動電機大多采用交流異步電機或直線電機,由于交流異步電動機要求高的速度,位置精度,并且難以控制,因此它必須有包含皮帶或齒輪傳動等緩慢的機構(gòu),但這種機構(gòu)使得其結(jié)構(gòu)復雜,效率低,噪音和速度性能不佳。系統(tǒng)的控制電路采用的是TMS320LF240X TI公司LF2407系列作為控制芯片,與智能功率模塊IPM結(jié)合起來,根據(jù)曲線設(shè)置來實現(xiàn)門的穩(wěn)定運行??刂破鬟x擇和使用的是TI公司的TMS320LF2407,2407內(nèi)置的模塊和脈沖編碼采集電路,簡化內(nèi)置驅(qū)動電路的電源電路設(shè)計,控制系統(tǒng)主要是圍繞控制芯片2407和智能功率模塊IPM制定的,使用霍爾電流傳感器監(jiān)測實時電流,將電流信號發(fā)送到DSP來控制芯片當前特定的保護。由電流傳感器檢測電機電流Ia和Ib,然后通過加法器將Ia和Ib相加獲得Ic,再經(jīng)過坐標轉(zhuǎn)換成一個q軸和d軸電機電流的電流,以實現(xiàn)閉環(huán)負反饋控制, 通過電編碼器和速度指令V *比較測量的速度,從而實現(xiàn)電機速度的負反饋。圖中顯示了門的速度運行不是以一個線性的加速或減速過程而是一個S形曲線運行的。四、系統(tǒng)軟件設(shè)計門控制程序是一個系統(tǒng)控制的重要組成部分,這種控制方案是采用模塊化設(shè)計,各功能模塊和其他模塊共享變量盾,可以獨立運行,這是一個良好的可以用于調(diào)試和修改的系統(tǒng)。初始化完成后,進入主循環(huán),系統(tǒng)在設(shè)置參數(shù)的控制下運行。本文通過d軸和q軸電流的獲取實現(xiàn)了門機的控制。 在這篇文章里,通過分析電流q ,迫使力量達到了,在打開的過程中,被迫關(guān)閉的能力是負載力,當門在第一速度之后減慢時,電流會隨之增加,然后又馬上下降。參考文獻[1]王克,黎明石,耀華力和何金威。采用Halbach陣列[J]對同步永磁平面電機進行最大限度地減少普通推力的設(shè)計。[4] Pai, R. Nasar, S. Boldea, [J]的混合的分析方法。第四次洽談會2007年,PCC名古屋會議 名古屋 會議項目K 9 K 16,20