Sliding Mode Direct Torque Control of SPMSMs Based on a Hybrid Wolf Optimization Algorithm

Direct torque control has been widely used to control surface-mounted permanent magnet synchronous motors (SPMSMs). To reduce the torque ripple and improve the flux tracking accuracy of SPMSM drives, sliding mode direct torque control (SMDTC) was developed. However, its optimal performance is hardly...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) Vol. 69; no. 5; pp. 4534 - 4544
Main Authors: Jin, Zhijia, Sun, Xiaodong, Lei, Gang, Guo, Youguang, Zhu, Jianguo
Format: Journal Article
Language:English
Published: New York IEEE 01.05.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Algorithms
Control methods
Control surfaces
Convergence
Coyote optimization algorithm (COA)
grey wolf optimization algorithm (GWOA)
Indexes
Optimization
Optimization algorithms
Parameters
permanent magnet synchronous motors
Permanent magnets
Ripples
Sliding mode control
sliding mode direct torque control (SMDTC)
Sun
Synchronous motors
Torque
Torque control
Torque measurement
Tracking
ISSN:0278-0046, 1557-9948
Online Access:Get full text
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Summary:Direct torque control has been widely used to control surface-mounted permanent magnet synchronous motors (SPMSMs). To reduce the torque ripple and improve the flux tracking accuracy of SPMSM drives, sliding mode direct torque control (SMDTC) was developed. However, its optimal performance is hardly obtained by trial and error tuning of the control parameters. Hence, a hybrid wolf optimization algorithm (HWOA) is proposed to automatically adjust the controller's parameters of SMDTC for SPMSMs in this article. This algorithm combines the grey wolf optimization algorithm and coyote optimization algorithm. A conversion probability is designed to use them simultaneously. The proposed HWOA holds the advantages of the two algorithms. It converges very fast and can avoid local optimums effectively. Furthermore, a special fitness index with penalty terms is designed to enhance flux tracking accuracy and reduce the torque ripple of SPMSM drives. The superiority of the proposed control method is verified by an experiment.
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ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2021.3080220