Design of Continuous Finite-Time Controller Based on Adaptive Tuning Approach for Disturbed Boost Converters

Hammad Alnuman, Kuo-Hsien Hsia, Mohammadreza Askari Sepestanaki, Emad M. Ahmed, Saleh Mobayen () and Ammar Armghan ()
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Hammad Alnuman: Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia
Kuo-Hsien Hsia: Department of Electrical Engineering, National Yunlin University of Science and Technology, 123 University Road, Douliou 64002, Taiwan
Mohammadreza Askari Sepestanaki: Graduate School of Intelligent Data Science, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou 640301, Taiwan
Emad M. Ahmed: Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia
Saleh Mobayen: Graduate School of Intelligent Data Science, National Yunlin University of Science and Technology, 123 University Road, Section 3, Douliou 640301, Taiwan
Ammar Armghan: Department of Electrical Engineering, College of Engineering, Jouf University, Sakaka 72388, Saudi Arabia

Mathematics, 2023, vol. 11, issue 7, 1-23

Abstract: This research study proposes a continuous finite-time controller based on the adaptive tuning approach for the boost converters with unknown disturbances. A Lyapunov candidate function which contains an absolute function based on the fractional power of the sliding surface is employed to attain a smooth continuous control input. The recommended technique can eliminate the chattering phenomenon made by the sliding mode control signal and improve the control performance. Furthermore, the continuous adaptive-tuning control law is given to estimate the unknown bounds of exterior disturbances. The performance of the adaptive-tuned terminal sliding mode control law to the load variations and parametric uncertainties, and the input voltage, are studied in the MATLAB-Simulink environment. The obtained simulation results confirm the effectiveness of the suggested technique.

Keywords: DC–DC boost converter; sliding mode control; Lyapunov function; adaptive control; external disturbances (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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