NDLI: Design and implementation of a novel adaptive backstepping control scheme for a PMSM with unknown load torque

Content Provider	IET Digital Library
Author	Sun, Xiaofei Yu, Haisheng Yu, Jinpeng Liu, Xudong
Abstract	In this study, a novel adaptive backstepping control method is proposed to handle the position tracking problem of the permanent magnet synchronous motor (PMSM) system with unknown load torque. Firstly, a novel load torque update law which is different from the traditional load torque update law is obtained based on the position error and estimated torque error. Then, a novel adaptive backstepping controller is presented under the circumstance of estimated load torque. The asymptotic stability of the overall system is verified by using Lyapunov stability theory. The novel load torque update law guarantees the accurate estimation and improves the convergence speed of the estimated load torque. The designed controller improves the position tracking performance and ensures stability of the closed-loop system. Finally, real-time experiment results with LINKS-RT platform intuitively exhibit that the proposed control method ensures position tracking performance and retains good load torque disturbance attenuation.
Starting Page	445
Ending Page	455
Page Count	11
ISSN	17518660
Volume Number	13
e-ISSN	17518679
Issue Number	Issue 4, Apr (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/13/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2018.5656
Journal	IET Electric Power Applications
Publisher Date	2019-01-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Control Asymptotic Stability Closed Loop System Control Nonlinearities Control of Electric Power System Control System Analysis Control System Synthesis Designed Controller Load Torque Disturbance Attenuation Lyapunov Method Lyapunov Stability Theorem Machine Control Mechanical Variables Control Nonlinear Control System Novel Adaptive Backstepping Controller Observers Permanent Magnet Motors Permanent Magnet Synchronous Motor System PMSM Position Control Position Tracking Performance Robust Control Self Adjusting Control System Spatial Variables Control Stability in Control Theory Synchronous Machine Synchronous Motors Synthesis Method Torque Control Traditional Load Torque Update Law
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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