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基于改进磁链观测器的感应电机转速辨识

, PP. 42-47

Keywords: 感应电机,磁链观测器,转速辨识

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Abstract:

感应电机电压模型转子磁链观测器由于其算法简单而得到广泛应用,但低速时由于定子电阻压降明显使得测量误差严重影响观测精度,纯积分的应用还存在直流偏置和初始值问题。本文提出了一种改进电压模型转子磁链观测器,引入定子磁链的电流模型和电压模型之间的误差对定子感应电动势进行补偿,理想积分环节采用新型改进低通滤波器代替,再由定子磁链的电压模型推导出转子磁链的电压模型。在此基础上,通过得到的转子磁链对感应电机的转速进行辨识。仿真和实验表明新算法改善了转速辨识的动静态性能,尤其改善了低速时的转速辨识性能。

 References

[1]  Rajashekara K, Kawamura A, Matsuse K. Sensorless control of AC motor drives[M]. New York: IEEE Press, 1996.
[2]  Blaschke F, Van Der Burgt J. Sensorless direct field orientation at zero flux frequency[C]. Proceedings of IAS Annual Meeting, 1996: 189-196.
[3]  尚敬, 刘可安. 电力牵引异步电动机无速度传感器间接定子量控制[J]. 电工技术学报, 2007, 22(2): 22-27.
[4]  Shang Jing, Liu Kean. Speed sensorless indirect stator-quantities control of induction motor in electric traction[J]. Transactions of China Electrotechnical Society, 2007, 22(2): 22-27.
[5]  林平, 胡长生, 李明峰, 等. 基于模型参考自适应系统算法的速度估算核的研制[J]. 中国电机工程学报, 2004, 24(1): 118-123.
[6]  Lin Ping, Hu Changsheng, Li Mingfeng, et al. The implement of speed estimation core based on MRAS algorithm[J]. Proceedings of the CSEE, 2004, 24(1): 118-123.
[7]  Ide K, Murokita I. Finite element analysis of sensorless induction machine by high frequency voltage injection[C]. Proceedings of IPEC, 2000: 1842-1847.
[8]  冯垛生, 曾岳南. 无速度传感器矢量控制原理与实践[M]. 北京: 机械工业出社, 2006.
[9]  李永东, 李明才. 感应电机高性能无速度传感器控制系统——回顾、现状与展望[J]. 电气传动, 2004, 34(1): 4-10.
[10]  Schauder C. Adaptive speed identification for vector control of induction motors without rotational transducers[J]. IEEE Transactions on Industry Applications, 1992, 28(5): 1054-1061.
[11]  佘致廷, 肖岸文, 孙炜, 等. 基于MRAS理论的无速度传感器直接转矩控制调速系统[J]. 电工技术学报, 2006, 21(4): 98-101.
[12]  何志明, 廖勇, 向大为. 定子磁链观测器低通滤波器的改进[J]. 中国电机工程学报, 2008, 28(18): 61-65.
[13]  He Zhiming, Liao Yong, Xiang Dawei. Improvement of low-pass filter algorithm for stator flux estimator[J]. Proceedings of the CSEE, 2008, 28(18): 61-65.
[14]  万军, 王建海, 万敏, 等. 使用基频电流注入的感应电机无速传感器驱动[J]. 中国电机工程学报, 2005, 25(22): 163-167.
[15]  Wan Jun, Wang Janhai, Wan Min, et al. Speed sensorless drive of induction machine using fundmental-frequency current injection[J]. Proceedings of the CSEE, 2005, 25(22): 163-167.
[16]  李永东, 曾毅, 谭卓辉, 等. 无速度传感器三电平逆变器异步电动机直接转矩控制系统[J]. 电工技术学报, 2004, 19(7): 70-76.
[17]  Li Yongdong, Zeng Yi, Tan Zhuohui, et al. Sensorless direct torque control of induction motor fed by three level inverter[J]. Transactions of China Electro- Technical Society, 2004, 19(7): 70-76.
[18]  张永昌, 赵争鸣, 张颖超, 等. 基于全阶观测器的三电平逆变器异步电机无速度传感器矢量控制系统[J]. 电工技术学报, 2008, 23(11): 34-40.
[19]  Zhang Yongchang, Zhao Zhengming, Zhang Yingchao, et al. Sensorless vector control system of induction motor fed by three-level inverter using a full order observer[J]. Transactions of China Electrotechnical Society, 2008, 23(11): 34-40.
[20]  Li Yongdong, Li Mingcai. Speed sensorless control of induction motor with high performanc[J]. Electric Drive, 2004, 34(1): 4-10.
[21]  She Zhiting, Xiao Anwen, Sun Wei, et al. Speed- adjustable system of sensorless direct torque control for induction motor based on the mras scheme[J]. Transactions of China Electrotechnical Society, 2006, 21(4): 98-101.

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