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http://dx.doi.org/10.6109/jkiice.2012.16.12.2708

Sensorless Speed Control of Induction Motor using Model Reference Adaptive Control and Direct Torque Control System  

Kim, Sung-Hwan (한국해양대학교 기관시스템공학부)
Jeong, Bum-Dong (한국해양수산연수원)
Yoon, Doo-O ((주)삼성중공업)
Lee, Sung-Gun (한국해양대학교 전기전자공학부)
Oh, Sae-Gin (한국해양대학교 운항훈련원)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.16, no.12, 2012 , pp. 2708-2715 More about this Journal
Abstract
This paper proposes a new sensorless speed control scheme of induction motor using Model Reference Adaptive Control and Direct Torque Control System. The Model Reference Adaptive Control System is based on the comparison between the outputs of Reference Model and Adjustable Model. The error between the estimated quantities obtained by the two models is used to drive a suitable adaptation mechanism which generates the estimated rotor speed for the Adjustable Model. And the Direct Torque Control scheme controls torque and flux by restricting the flux and torque errors within respective hysteresis bands, and motor torque and flux are controlled by the stator voltage space vector using optimum inverter switching table. The simulation results of proposed method indicate good speed responses from the low speed range to the high, and also show favorable characteristics of load operation.
Keywords
Model Reference Adaptive Control; Direct Torque Control; Sensorless Control; Induction Motor;
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