Discrete-Time Fast Terminal Sliding Mode Control for Permanent Magnet Linear Motor

Du, H, Chen, X, Wen, G, Yu, X and Lu, J 2018, 'Discrete-Time Fast Terminal Sliding Mode Control for Permanent Magnet Linear Motor', IEEE Transactions on Industrial Electronics, vol. 65, no. 12, pp. 9916-9927.

Document type: Journal Article
Collection: Journal Articles

Title Discrete-Time Fast Terminal Sliding Mode Control for Permanent Magnet Linear Motor
Author(s) Du, H
Chen, X
Wen, G
Yu, X
Lu, J
Year 2018
Journal name IEEE Transactions on Industrial Electronics
Volume number 65
Issue number 12
Start page 9916
End page 9927
Total pages 12
Publisher IEEE
Abstract The main objective of this paper is to solve the position tracking control problem for the permanent magnet linear motor by using the discrete-time fast terminal sliding mode control (SMC) method. Specifically, based on Euler's discretization technique, the approximate discrete-time model is first obtained and analyzed. Then, by introducing a new type of discrete-time fast terminal sliding surface, an improved discrete-time fast SMC method is developed and an equivalent-control-based fast terminal SMC law is subsequently designed. Rigorous analysis is provided to demonstrate that the fast terminal SMC law can offer a higher accuracy than the traditional linear SMC law. Numerical simulations and experimental results are finally performed to demonstrate the effectiveness of the proposed approach and show the advantages of the present discrete-time fast terminal SMC approach over some existing approaches, such as discrete-time linear sliding mode control approach and the PID control method.
Subject Electrical and Electronic Engineering not elsewhere classified
Keyword(s) Digital control
permanent magnet linear motor (PMLM)
position control
terminal sliding mode
DOI - identifier 10.1109/TIE.2018.2815942
Copyright notice © 2018 IEEE
ISSN 0278-0046
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