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Proceedings Paper

A direct torque control system without speed-sensor for asynchronous motor
Author(s): Lian Zhang; Chengbo Yu; Xiaoqian Hu
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Paper Abstract

To enhance the performance of asynchronous motor, and conquer the limitation of the traditional speed-identifier, this paper proposes a speed-identifier direct torque control system. According to transformed form of a mathematical model of asynchronous motor, the system uses the easily-measured motor stator voltage and current and the neural network technique to design a speed-identifier. It can realize speed-sensorless closed loop control. The simulating experiment results of the system show that the speed regulating system has good steady-state performance and dynamic performance, the design is reasonable and effective.

Paper Details

Date Published: 9 January 2008
PDF: 5 pages
Proc. SPIE 6794, ICMIT 2007: Mechatronics, MEMS, and Smart Materials, 67945B (9 January 2008); doi: 10.1117/12.784208
Show Author Affiliations
Lian Zhang, Chongqing Institute of Technology (China)
Chengbo Yu, Chongqing Institute of Technology (China)
Xiaoqian Hu, Chongqing Institute of Technology (China)

Published in SPIE Proceedings Vol. 6794:
ICMIT 2007: Mechatronics, MEMS, and Smart Materials
Minoru Sasaki; Gisang Choi Sang; Zushu Li; Ryojun Ikeura; Hyungki Kim; Fangzheng Xue, Editor(s)

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