An adaptive sliding-mode observer for induction motor sensorless speed control

Author

Li, Jingchuan ; Xu, Longya ; Zhang, Zheng

Author_Institution

Dept. of Electr. & Comput. Eng., Ohio State Univ., Columbus, OH, USA

Volume

41

Issue

4

fYear

2005

Firstpage

1039

Lastpage

1046

Abstract

An adaptive sliding-mode flux observer is proposed for sensorless speed control of induction motors in this paper. Two sliding-mode current observers are used in the method to make flux and speed estimation robust to parameter variations. The adaptive speed estimation is derived from the stability theory based on the current and flux observers. The system is first simulated by MATLAB and tested by hardware-in-the-loop. Then, it is implemented based on a TMS320F2812, a 32-bit fixed-point digital signal processor. Simulation and experimental results are presented to verify the principles and demonstrate the practicality of the approach.

Keywords

adaptive control; digital signal processing chips; electric machine analysis computing; induction motors; machine control; observers; robust control; variable structure systems; velocity control; MATLAB; adaptive sliding-mode flux observer; fixed-point digital signal processor; flux estimation; induction motor; sensorless speed control; sliding-mode current observers; speed estimation; stability theory; Adaptive control; Digital signal processors; Induction motors; MATLAB; Parameter estimation; Programmable control; Robustness; Stability; System testing; Velocity control; Adaptive sliding-mode observer; induction motor; sensorless speed control;

fLanguage

English

Journal_Title

Industry Applications, IEEE Transactions on

Publisher

ieee

ISSN

0093-9994

Type

jour

DOI

10.1109/TIA.2005.851585

Filename

1468281