NDLI: Real-time extremum seeking controller for brushless DC hub motors in electric vehicles

Content Provider	IET Digital Library
Author	Ramaraj, Ramachandran Dharmaraj, Ganeshaperumal Srinivasan, Seshadhri Balasubramanian, Subathra Periyasamy, Muthuvel Bekiroglu, Korkut
Abstract	This study presents an extremum seeking-proportional–integral and derivative (ES-PID) controller design for brushless direct current motors and its implementation in electric vehicles. The ES-PID controller aims to simultaneously maintain a speed set-point and reduce torque ripples in the presence of load-torque disturbances. The proposed ES-PID combines the simplicity of a PID controller with an extremum seeking approach, a model-free optimisation approach, thereby resulting in an optimal controller that can be realised on simple hardware (with limited computing power and memory). In addition, a theoretical analysis of the proposed ES-PID control scheme in terms of stability and convergence is also presented. Performance evaluation of the proposed ES-PID controller using both simulations and hardware experiments are presented. The results clearly illustrate the ability of the controller to track speed set-point and reduce torque ripples in the presence of load-torque variations.
Starting Page	2438
Ending Page	2449
Page Count	12
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 12, Dec (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2020.0117
Journal	IET Electric Power Applications
Publisher Date	2020-09-14
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Brushless DC Hub Motors Brushless DC Motor Brushless Direct Current Motors Control of Electric Power System Control System Analysis Control System Synthesis D.C. Machines Derivative Controller Design Electric Vehicle ES-PID Control Scheme ES-PID Controller Extremum Seeking Approach Extremum Seeking-proportional–integral Load-torque Disturbances Machine Control Mechanical Variables Control Model-free Optimisation Approach Nonlinear Control System Optimal Control Optimal Controller Optimisation Optimisation Technique Speed Set-point Synthesis Method Three-term Control Time Extremum Torque Control Torque Ripples Transportation Transportation System Control
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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