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Single-loop robust model predictive speed regulation of PMSM based on exogenous signal preview

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posted on 2024-02-19, 11:52 authored by Jinhao Liu, Jun YangJun Yang, Shihua Li, Xiangyu Wang
Speed regulation problem of permanent magnet synchronous motor (PMSM) with overcurrent protection is addressed in this article by using a single-loop robust model predictive control (MPC) approach. The unique feature of this new disturbance rejection MPC method is the utilization of the preview information of lumped exogenous signal. Different from most of the existing disturbance observer-based MPC approaches, the reference inputs, the lumped disturbances in PMSM, and their higher order differences are explicitly considered as a part of this new concept of lumped exogenous signal by exploiting output regulation theory. Preview of the possible future behaviors of this exogenous signal is conducted based upon the development of two generalized proportional integral observers. An accuracy enhanced prediction model is obtained by exploiting the estimation and preview of the exogenous signal during the prediction horizon. Speed regulation problem of the PMSM is transformed into an error stabilization problem by means of regulator equations and preview information where the faster time-varying exogenous signal is considered. The overcurrent protection problem is also taken into account throughout the receding horizon optimization process. Experimental studies show that the proposed method achieves effective functionality in overcurrent protection, and much better dynamic performance against time-varying exogenous inputs.

Funding

National Natural Science Foundation of China under Grants 62025302 and 61973081

Modulator-free Performance-Oriented Control (MfPOC) for Direct Electric Drives

Engineering and Physical Sciences Research Council

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History

School

  • Aeronautical, Automotive, Chemical and Materials Engineering

Department

  • Aeronautical and Automotive Engineering

Published in

IEEE Transactions on Industrial Electronics

Volume

70

Issue

12

Pages

12719 - 12729

Publisher

Institute of Electrical and Electronics Engineers (IEEE)

Version

  • AM (Accepted Manuscript)

Rights holder

© IEEE

Publisher statement

© 2023 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Acceptance date

2023-01-09

Publication date

2023-01-31

Copyright date

2023

ISSN

0278-0046

eISSN

1557-9948

Language

  • en

Depositor

Dr Jun Yang. Deposit date: 16 February 2024

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