ADAPTIVE-SPEED IDENTIFICATION SCHEME FOR A VECTOR-CONTROLLED SPEED SENSORLESS INVERTER-INDUCTION MOTOR DRIVE

被引:173
作者
YANG, G [1 ]
CHIN, TH [1 ]
机构
[1] SOPHIA UNIV,FAC SCI & TECHNOL,TOKYO 102,JAPAN
关键词
D O I
10.1109/28.232001
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
This paper describes a model reference adaptive system (MRAS) for speed control of the vector-controlled inverter-induction motor drive without a speed sensor. The rotor speed is estimated with a full-order adaptive observer and is used as the feedback signal for the vector and speed controls. In order to estimate the speed accurately at low speeds, the motor stator resistance is also identified at the same time to correct the mismatched resistance value used in the observer. The resulting system is verified to be hyperstable. As a result, the drive can be operated in a wide range of speed, and especially, it can be operated stably at the state of zero speed. Experiments also show that the scheme is effective.
引用
收藏
页码:820 / 825
页数:6
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