Current Sensor Fault-Tolerant Control for Induction Motor with Speed-Sensorless Based on SMO and SEPLL

被引：0
作者：
Chen, Yuexuan [1 ,2 ]
Xie, Dong [1 ]
Zuo, Yun [1 ]
Chang, Yu [1 ]
Ge, Xinglai [1 ]
机构：
[1] Southwest Jiaotong Univ, Minist Educ, Key Lab Magnet Suspens Technol & Maglev Vehicle, Chengdu, Peoples R China
[2] Southwest Jiaotong Univ, Grad Sch Tangshan, Chengdu, Peoples R China
来源：
2021 24TH INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES AND SYSTEMS (ICEMS 2021) | 2021年
基金：
中国国家自然科学基金;
关键词：
induction motor; fault tolerance control; sliding mode observer; single-phase enhanced phase-locked loop; DIAGNOSIS; SCHEME;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The speed-sensorless control techniques for induction motors attract much popularity due to their high reliability. The current signal is extremely important for the speed-sensorless-controlled (SSC) system, causing that the current sensor fault will significantly degrade the control performance. In view of this, this paper proposes a current sensor fault-tolerant control (FTC) scheme based on sliding mode observer (SMO) and single-phase enhanced phase-locked loop (SEPLL). Rotor information could be approximately deduced from SMO and utilized in close-loop. The SEPLL is further adopted to reconstruction the correct current information when the current sensor fails, maintaining effevtiveness of the SSC induction motor. The feasibility of the proposed method is verified by simulations.
引用
收藏
页码：1988 / 1992
页数：5
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