Efficient Sensorless Speed Estimation of Electrical Servo Drives Using a Full-Order Nonsingular Terminal Sliding Mode Observer

被引:2
|
作者
Tan-No Nguyen [1 ,2 ]
Thanh-Binh Pham [1 ,2 ]
Van-Trong Hoang [1 ,2 ]
Tan-Tien Nguyen [3 ]
Viet-Long Nguyen [1 ,4 ]
Nguyen-Vu Truong [1 ]
机构
[1] Vietnam Acad Sci & Technol, Inst Appl Mech & Informat, Hanoi, Vietnam
[2] Vietnam Acad Sci & Technol, Grad Univ Sci & Technol, Hanoi, Vietnam
[3] Vietnam Natl Univ HCMC, HCMC Univ Technol, Hochiminh City, Vietnam
[4] Becamex IDC Corp, Binh Duong, Vietnam
关键词
INDUCTION-MOTOR DRIVES;
D O I
10.1155/2021/8175848
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper proposes an efficient sensorless speed estimation approach for electric servo drives based on the full-order nonsingular terminal sliding mode observer (FONTSM) with the application of DC motor drives. In this method, a specific full-order terminal sliding mode manifold is utilised for the observer design which results in the elimination of the chattering and avoiding the singularity phenomenon of conventional and terminal sliding modes. Here, speed and armature back emf can be directly estimated from the relevant observer's inputs which are continuous instead of being discontinuous high-frequency "switching" signals. The efficiencies and advantages of this approach have been proven and validated in both simulation and experimental results.
引用
收藏
页数:8
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