NDLI: High-performance control for a permanent-magnet linear synchronous generator using state feedback control scheme plus grey wolf optimisation

Content Provider	IET Digital Library
Author	Sun, Xiaodong Wu, Minkai Yang, Zebin Lei, Gang Guo, Youguang
Abstract	This study proposes an optimal control scheme for a permanent-magnet linear synchronous generator (PMLSG) using the state feedback control (SFC) method plus the grey wolf optimisation (GWO) algorithm. First, A novel state-space model of linear PMLSG is established in order to obtain desired dynamics and enough power when used for the smooth wave energy. Second, the GWO algorithm is adopted to acquire weighting matrices Q and R in the process of optimising linear quadratic regulator (LQR). What is more, a penalty term is brought into the fitness index to reduce the overstrike of output voltage and keep the rate of work more stable. Finally, optimal LQR-based SFC with and without penalty term and proportional-integral (PI) controllers are compared both in simulations and in experiments. Results clearly prove that the proposed optimal control strategy performs a better response when compared to other strategies.
Starting Page	771
Ending Page	780
Page Count	10
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 5, May (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0383
Journal	IET Electric Power Applications
Publisher Date	2019-12-19
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Control of Electric Power System Control System Analysis Control System Synthesis Feedback Grey Wolf Optimisation Algorithm GWO Algorithm Linear PMLSG Linear Quadratic Control Linear Quadratic Regulator Machine Control Nonlinear Control System Optimal Control Optimal Control Scheme Optimal Control Strategy Optimal LQR-based SFC Optimisation Optimisation Technique Penalty Term Permanent Magnet Generator Permanent-magnet Linear Synchronous Generator PI Control PI Controller State Feedback State Feedback Control Method State Feedback Control Scheme State Space Method State-Space Model Synchronous Generator Synchronous Machine Synthesis Method
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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