全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于线反电动势的高速磁悬浮无刷直流电机无位置换相策略

, PP. 119-128

Keywords: 无刷直流电机,线反电动势,无位置传感器,深度滤波,最优滞环宽度

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对大功率高速磁悬浮无刷直流电机电磁干扰大的问题,采用基于线反电动势深度低通滤波的无位置传感器控制,分析了导致高速电机换相信号不准确的原因,明确了相电流与器件电阻、器件直流压降的关系,给出换相信号不准确时相电流的精确表达式。针对高速磁悬浮电机转速带宽高带来的换相信号不准确问题,提出一种基于‘90-α’与‘150-α’最优滞环切换的换相信号补偿策略,以电机切换前后的电流脉动最小为原则,确定了最优滞环宽度。通过试验,电机平稳运行到最高32000r/min,不仅实现了两种电机换相策略的平滑切换,而且对换相信号误差进行了有效补偿。

References

[1]  李志强, 夏长亮, 陈炜. 基于线反电动势的无刷直流电机无位置传感器控制[J]. 电工技术学报, 2010, 25(7): 39-44. Li Zhiqiang, Xia Changliang, Chen Wei. A position sensorless control strategy for BLDCM based on line back-EMF[J]. Transactions of China Electrotechnical Society, 2010, 25(7): 39-44.
[2]  Iizuka Kenichi, Uzuhashi Hideo, Kano Minoru, et al. Microcomputer control for sensorless brushless motor [J]. IEEE Transactions on Industry Applications, 1985, 21(3): 595-601.
[3]  Cheng Tsung Lin, Chung Wen Hung, Chih Wen Liu. Sensorless control for four-switch three-phase brushless DC motor drive[C]. IEEE IAS Annual Industry Applica- tions Conference, 2006: 2048-2053.
[4]  张磊, 瞿文龙, 陆海峰, 等. 一种新颖的无刷直流电机无位置传感器控制系统[J]. 电工技术学报, 2006, 21(10): 26-30, 43. Zhang Lei, Qu Wenlong, Lu Haifeng, et al. A novel sensorless control system of brushless DC motors[J]. Transactions of China Electrotechnical Society, 2006, 21(10): 26-30, 43.
[5]  Moreira J. Indirect sensing for rotor flux position of permanent magnet AC motors operating in a wide speed range[J]. IEEE Transactions on Industrial Applications, 1996, 32(6): 1394-1401.
[6]  Jufer M, Osseni R. Back-EMF indirect detection for selfcommutation of synchronous motors[C]. Proceedings of EPE Conference, 1987: 1125-1129.
[7]  Shen J X, Iwasaki S. Sensorless control of ultrahigh- speed PM brushless motor using PLL and third harmonic back-EMF[J]. IEEE Transactions Industrial Electronics, 2006, 53(2): 421-428.
[8]  Jahns T M, Becerra R C, Ehsani M. Integrated current regulation for a brushless ECM drive[J]. IEEE Transactions on Power Electronics, 1991, 6(1): 118-126.
[9]  Wright F H. Method and apparatus for electronically commutating a direct current motor without position sensors: U. S., 4 162 435[P]. 1979-07-24.
[10]  周波, 魏佳. 反电势逻辑电平积分比较法实现的无刷直流电机无位置传感器控制[J]. 电工技术学报, 2000, 15(4): 5-9, 4. Zhou Bo, Wei Jia. A new method of indirect sensing for rotor flux position of a sensorless brushless DC motor[J]. Transactions of China Electrotechnical Society, 2000, 15(4): 5-9, 4.
[11]  杨影, 阮毅, 陶生桂. 一种新型无刷直流电机转子位置检测方法[J]. 电机与控制学报, 2012, 14(2): 61-64. Yang Ying, Ruan Yi, Tao Shenggui. Research on novel approach to rotor position detection of brushless DC motors[J]. Electric Machines and Control, 2012, 14(2): 61-64.
[12]  李自成. 无刷直流电机无位置传感器控制关键技术研究:[D]. 武汉: 华中科技大学, 2010.
[13]  Chenghu Chen, Mingyang Cheng. A new cost effective sensorless commutation method for brushless DC motors without phase shift circuit and neutral voltage [J]. IEEE Transactions on Power Electronics, 2007, 22(2): 647-650.
[14]  Ertugrul N, Acarnley P. A new algorithm for sensorless operation of permanent magnet motors[J]. IEEE Transactions on Industrial Applications, 1994, 30(1): 126-133.
[15]  Wu R, Slemon G R. A permanent magnet motor drive without a shaft sensor[J]. IEEE Transactions on Industrial Applications, 1991, 27(5): 1005-1011.
[16]  Ogasawara S, HAkagi. An approach to position sensorless drive for brushless dc motors[J]. IEEE Transactions on Industrial Applications, 1991, 27(5): 928-933.
[17]  Kim T H, Ehsani M. Sensorless control of the BLDC motors from near-zero to high speeds[J]. IEEE Transac- tions on Power Electronics, 2004, 19(6): 1635-1645.
[18]  Je Wook Park, Seon Hwan Hwang, Jang Mok Kim. Sensorless control of brushless DC motors with torque constant estimation for home appliances[J]. IEEE Transactions on Industry Applications, 2012, 48(2): 677-683.
[19]  夏长亮, 王娟, 史婷娜, 等. 基于自适应径向基函数神经网络的无刷直流电机直接电流控制[J]. 中国电机工程学报, 2003, 23(6): 123-l27. Xia Changliang, Wang Juan, Shi Tingna, et al. Direct control of currents based on adaptive RBF neural network for brushless DC motors[J]. Proceedings of the CSEE, 2003, 23(6): 123-127.
[20]  Bozo Terzie, Martin Jadrie. Design and implementation of the extended Kalman filter for the speed and rotor position estimation of brushless DC motor[J]. IEEE Transactions on Industrial Electronics, 2001, 48: 1065-1073.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133