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process, the forced closing force is the driving force,the electrical load increases,the current also significantly increased.Figure 6 displacements and the current curveFigure 7 qaxis coercion to force and nonVI. CONCLUSIONThrough the analysis of the experimental,using the permanent magnet synchronous linear motor as drive motor, realized the elevator door to run the operation curve by default, and the door system is reliable,low system can also be used to Warehouse door and Home automatic door, but also can use the system to reform the existing elevator door and automatic door.REFERENCES[1] Ke Wang, Liming Shi, Yaohua Li and Jinwei He. DecoupledControl of ThrustandNormal Forces in SLIM Based on Voltage Vector Selection[C]. IEEE Industrial Electronics and Applications 3rd Conference. Page(s):829832,2008.[2] Rui Huang, Jianpei Zhou, and GyuTak Kim. Minimization Design of Normal Force in Synchronous Permanent Magnet Planar Motor With Halbach Array[J]. IEEE Transactions on Magnetics, 44(6): 15261529, 2008. [3] Yamaguchi,T. Kawase,Y. Yoshida, M. Saito, Y. Ohdachi, Y. 3D Finite Element Analysis of a Linear Induction Motor [J]. IEEE Transactions on Magnetics, 37(5): 36683671,2001. [4] Pai, R. Nasar, S. Boldea, I. A Hybrid Method of Analysis of LowSpeed Linear Induction Motors [J]. IEEE Transactions on Magnetics, 23(6): 39083915,1987.[5] , , . Design and Realization of a PM Linear Synchronous Motor with a Very High Thrust/Normal Force Ratio [C]. IEEE Industrial Applications Conference, (3): 19841988, 2001 [6] Junha Kim, BonGwan Gu, Gubae Kang, and Kwanghee Nam. Attractive Force Reducing Strategy of LIM for PRT Systems[C]. IEEE International Electric Machines and Drives Conference, (3): 18321836, 2003 [7] Zhu .. Recent development of Halbach permanent magnet machines and applications. Fourth Power Conversion ConferenceNAGOYA, PCCNAGOYA 2007 Conference Proceedings, K9K16, 2007. [8] Wei Qian, Thomas A Nondhal. Mutual torque ripple suppression of surfacemounted permanent magnet synchronous motor. Proceedings of the Eighth International Conference on Electrical Machines and Systems, 1: 315320,2005.2010 International Conference on Electrical Engineering and Automatic Control (ICEEAC 2010)畢業(yè)設(shè)計(jì)(論文)——外文翻譯(譯文)自動(dòng)化一個(gè)永磁直線同步電動(dòng)機(jī)驅(qū)動(dòng)的電梯門機(jī)的設(shè)計(jì)與研究王旭東,任寧,寧,徐瀟卓電氣工程與自動(dòng)化學(xué)院河南理工大學(xué)中國焦作電子郵件:Renning66摘要:現(xiàn)有的大多數(shù)電梯門是由旋轉(zhuǎn)電機(jī)驅(qū)動(dòng)的,本文設(shè)計(jì)的永磁直線同步電機(jī)作為驅(qū)動(dòng)固定電機(jī),這種電梯門可以消除電機(jī)和門之間的驅(qū)動(dòng)機(jī)制,直接以一條直線來驅(qū)動(dòng)門,提高電梯門機(jī)器的可靠性和安全性。如果使用一個(gè)永磁直線同步電動(dòng)機(jī)作為驅(qū)動(dòng)電機(jī),可以節(jié)省電機(jī)和門之間的傳導(dǎo)機(jī)構(gòu),直接驅(qū)動(dòng)齒輪作直線運(yùn)動(dòng)。Figure 2 control system handware structure:控制系統(tǒng)對(duì)三個(gè)閉環(huán)回路采取反饋控制,它們是: 位置P,速度V,電流,系統(tǒng)控制器塊圖如圖3所示。Figure 4 Machine running curve這部分