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基于假设坐标系法的长定子直线同步电机无速度传感器算法

, PP. 37-40

Keywords: 无速度传感器,假设坐标系,长定子直线同步电机

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Abstract:

针对长定子直线同步电机的牵引控制提出了一种无速度传感器算法。该算法根据假设坐标系与实际动子坐标系之间的角度偏差来构造扰动观测器来观测假设坐标系中的反电动势值,并利用反电动势通过反三角函数获得角度偏差,通过修正这一偏差来获得动子位置和速度信息。整套算法在IOWorks环境中开发,并在基于VME总线的控制系统中进行实验。实验结果表明本算法能够很好地估算出动子的位置和速度信息。

References

[1]  Ng C H, Rashed M, Vas P, et al.A novel MRAS current-based sensorless vector controlled PMLSM drive for low speed operation[C]. Electric Machines and Drives Conference of IEEE International, 2003, 3: 1889-1894.
[2]  Wang Limei, Guo Qingding.Sensorless control of permanent magnet linear synchronous motor based on nonlinear observer[C]. The 8th IEEE International Workshop on Advanced Motion Control, 2004: 619-622.
[3]  Leidhold R, Mutschler P. Speed sensorless control of a long-stator linear synchronous motor arranged in multiple segments[J]. IEEE Transactions on Industrial Electronics, 2007, 54(6): 3246-3254.
[4]  Platen M, Henneberger G. Examination of leakage and end effects in a linear synchronous motor for vertical transportation by means of finite element computation[J]. IEEE Transactions on Magnetics, 2001, 37(5): 3640-3643.
[5]  Plattner A. A millimetrewave communication system for maglev application[J]. Microwave Symposium Digest of IEEE MTT-S International, 1994, 2: 745-748.
[6]  Kim J H, Choi J W, Sul S K. High precision position control of linear permanent magnet synchronous motor for surface mount device placement system[C] . Proceedings of the Power Conversion Conference, 2002, 1: 37-42.
[7]  Vas P. Electrical machines and drives: a space-vector theory approach[M]. New York: NY, USA: Oxford University Press, 1992.
[8]  Mobarakeh B, Meibody Tabar F, Sargos F. A globally converging observer of mechanical variables for sensorless pmsm[C] . 2000 IEEE 31st Annual Power Electronics Specialists Conference, 2000, 2: 885-890.

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