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A STA Current-Constrained Control for PMSM Speed Regulation System with Function Disturbance Observer
Lanzhou Jiaotong University, Lanzhou, 730070, China
* Corresponding Author: Boqiang Wei. Email:
Energy Engineering 2022, 119(3), 1197-1218. https://doi.org/10.32604/ee.2022.018411
Received 23 July 2021; Accepted 01 November 2021; Issue published 31 March 2022
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The non-cascade permanent magnet synchronous motor control system has the advantages of simple structure and less adjustable parameters, but the non-cascade structure needs to solve the problem of over-current protection. In this paper, a current constrained control method is used to limit the starting current to a safe range. At the same time, to ensure the robustness and rapidity of the system, a super twist current constraint controller (CCSTA) is generated by combining super twist algorithm (STA) with current constraint control; Considering the diversity of internal and external disturbances, a functional disturbance observer (FDOB) is proposed to compensate the matched and unmatched disturbances, which further improves the robustness of the system.Keywords
Non cascade structure; current constrained control; super twist algorithm; functional disturbance observer
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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