NDLI: Multivariable sliding-mode extremum seeking PI tuning for current control of a PMSM

Content Provider	IET Digital Library
Author	Toloue, Shirin Fartash Kamali, Seyed Hossein Moallem, Mehrdad
Abstract	High-performance current control is critical for obtaining smooth output torque in permanent-magnet synchronous motors (PMSMs). To this end, a new proportional–integral (PI) tuning method based on multivariable sliding-mode extremum seeking is proposed in this study and applied for current control of a PMSM. In the proposed method, a sliding-mode extremum seeking optimiser varies the PI gains by minimising a cost function based on the feedback error term. The resulting PI controller can achieve fast and accurate tracking response, high disturbance rejection, and low sensitivity to PMSM parameter variations. The stability of the proposed control strategy is investigated through a Lyapunov analysis and its performance is evaluated through experimental studies. The results indicate that the proposed controller can offer improved performance in terms of accuracy, parametric variations, and load torque disturbances when compared with a conventional PI and a recently proposed PI controller using the gradient-based extremum seeking tuning method.
Starting Page	348
Ending Page	356
Page Count	9
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 3, Mar (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0033
Journal	IET Electric Power Applications
Publisher Date	2019-09-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Angular Velocity Control Control of Electric Power System Control System Analysis Control System Synthesis Current Control Drive Electric Current Control Fast Tracking Response Feedback Feedback Error Term Gradient-based Extremum Seeking Tuning Method High-performance Current Control Load Torque Disturbances Lyapunov Method Machine Control Multivariable Control System Multivariable Sliding-mode Extremum Seeking Nonlinear Control System Optimal Control Optimisation Permanent Magnet Motors Permanent-magnet Synchronous Motors PI Control PI Controller PI Gain PI Tuning PMSM Parameter Variations Proportional–integral Tuning Method Rotation Control Smooth Output Torque Stability Stability in Control Theory Synchronous Machine Synchronous Motor Drive Synchronous Motors Synthesis Method Variable Structure System Velocity
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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