电工技术学报  2018, Vol. 33 Issue (21): 4949-4961    DOI: 10.19595/j.cnki.1000-6753.tces.171347
电机与电器 |
基于虚拟绕组和全阶观测器的五相感应电机无速度传感器容错控制策略
彭忠1, 郑泽东1, 刘自程2, 王奎1, 李永东1
1. 电力系统及发电设备控制和仿真国家重点实验室(清华大学) 北京 100084;
2. 北京交通大学电气学院 北京 100044
A Novel Sensorless Fault-Tolerant Control of Five-Phase Induction Machine Using Virtual Winding and Full-Order Observer
Peng Zhong1, Zheng Zedong1, Liu Zicheng2, Wang Kui1, Li Yongdong1
1. State Key Lab of Control and Simulation of Power System and Generation Equipments Tsinghua University Beijing 100084 China;
2. School of Electrical Engineering Beijing Jiaotong University Beijing 100044 China
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摘要 多相电机驱动系统可靠性高、容错能力强、控制自由度更多。该文提出了虚拟绕组容错控制的思路,电机断相故障工况与正常工况下采用统一的控制算法框架。算法将断相故障转换为空间尺度下控制指令的约束,同时在时间尺度下加入各次谐波平面上的谐波抑制算法,实现时空协同容错控制;另一方面,引入全阶观测器估计电机磁链和速度,实现多相感应电机驱动系统无速度传感器容错控制。最后,在五相感应电机实验平台上验证了所提算法的有效性,实现了电机断相工况下转子磁链和转子转速的准确估计,输出转矩波形中的脉动分量得到有效消除,断相切换过程平滑过渡。
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彭忠
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李永东
关键词 多相感应电机断相故障虚拟绕组全阶观测器容错控制    
Abstract:Multiphase machines have the advantages of high reliability, high fault-tolerant ability, and the additional degrees of freedom. A virtual winding algorithm is firstly proposed and the machine in fault can be dealt as a normal machine with some virtual windings instead of the faulty windings, so a unified control frame can be adopted in the healthy and the faulty conditions. The phase failure condition is transformed into the control constraint of phase current at the spatial scale, and the harmonic suppression algorithm is also added at the time scale. At the same time, a full-order adaptive observer is adopted to observe the rotor flux and rotor speed. Therefore, the sensorless fault-tolerant control of multiphase induction machine can be achieved. Finally, Experimental results on the five-phase induction machine demonstrate that the proposed control algorithm can observe the rotor flux and rotor speed accurately, eliminate the torque ripple significantly in phase failure conditions, and also achieve the smooth transition from pre- to post-fault situation.
Key wordsMultiphase induction machine    phase failure conditions    virtual winding    full-order observer    fault-tolerant control   
收稿日期: 2017-09-21      出版日期: 2018-11-12
PACS: TM301.2  
基金资助:清华大学自主科研计划资助项目(2014081152)
作者简介: 彭 忠 男,1991年生,硕士研究生,研究方向为多相感应电机高性能控制。E-mail: pengz15@mails.tsinghua.edu.cn;郑泽东 男,1980 年生,副教授,博士生导师,研究方向为电力电子与电气传动。E-mail: zzd@mail.tsinghua.edu.cn(通信作者)
引用本文:   
彭忠, 郑泽东, 刘自程, 王奎, 李永东. 基于虚拟绕组和全阶观测器的五相感应电机无速度传感器容错控制策略[J]. 电工技术学报, 2018, 33(21): 4949-4961. Peng Zhong, Zheng Zedong, Liu Zicheng, Wang Kui, Li Yongdong. A Novel Sensorless Fault-Tolerant Control of Five-Phase Induction Machine Using Virtual Winding and Full-Order Observer. Transactions of China Electrotechnical Society, 2018, 33(21): 4949-4961.
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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.171347          https://dgjsxb.ces-transaction.com/CN/Y2018/V33/I21/4949