Robust Deadbeat Predictive Current Regulation for Permanent Magnet Synchronous Linear Motor Drivers With Parallel Parameter Disturbance and Load Observer

This article proposed a robust deadbeat predictive current regulation (DPCR) algorithm for permanent magnet synchronous linear motors (PMSLMs) drive based on parallel parameter disturbance and load observer (PPDLOB). First, to increase the dynamic performance of current loop, a modified DPCR algorit...

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Vydané v:IEEE transactions on power electronics Ročník 37; číslo 7; s. 7834 - 7845
Hlavní autori: Wang, Lijun, Zhao, Jiwen, Yang, Xing, Zheng, Zhilei, Zhang, Xiaohu, Wang, Lei
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York IEEE 01.07.2022
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:
Algorithms
Current control
Deadbeat predictive current regulation (DPCR)
Disturbance observers
dynamic performance
Electric motors
external disturbance
Heuristic algorithms
Hysteresis motors
Mathematical models
parallel parameter disturbance and load observer (PPDLOB)
Parameter modification
Permanent magnet motors
permanent magnet synchronous linear motors (PMSLMs)
Permanent magnets
Predictive control
Predictive models
Robustness
Sliding mode control
sliding mode method
Variable gain
ISSN:0885-8993, 1941-0107
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Popis
Shrnutí:This article proposed a robust deadbeat predictive current regulation (DPCR) algorithm for permanent magnet synchronous linear motors (PMSLMs) drive based on parallel parameter disturbance and load observer (PPDLOB). First, to increase the dynamic performance of current loop, a modified DPCR algorithm considering control delay is induced by using a discrete-time PMSLM model. Second, the PPDLOB consists of parameter disturbance observer (PDOB) and load disturbance observer (LDOB) is designed on the basis of a variable gain exponential sliding mode method. The PDOB is used to overcome parameter mismatch problem of the modified DPCR, whereas the LDOB is utilized to estimate the load thrust and the observation is fed forward to the current loop for compensating external disturbance. Finally, a series of comparative experiments are conducted and the results verify the feasibility and correctness of the proposed method.
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ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2022.3148389