Journal of Applied Science and Engineering

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Design of An ISS-Based Adaptive Controller for A Single- Phase Voltage Source Inverter

Viet-Hoang Nguyen1, Van-Dat Quan1, Van-Hoang Truong1, Duy-Thai Ha1,2, and Phuong Vu1

1School of Electrical and Electronic Engineering, Ha Noi University of Science and Technology, Hanoi, Viet Nam

2Department of Electrical and Electronic Engineering, Faculty of Engineering and Technology, Hung Vuong University (HVU), Phu
Tho, Vietnam

Received: January 16, 2026
Accepted: July 15, 2026
Publication Date: August 12, 2026

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Proposed ISS-based adaptive controller

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This paper presents a novel control approach based on input-to-state stability (ISS) for a single-phase voltage source inverter (VSI). The ISS-based adaptive controller is capable of mitigating the adverse effects of load disturbances that commonly arise in sliding mode control (SMC) schemes, while delivering superior output control performance. However, the application of ISS theory to controller design has not been extensively investigated, mainly due to the difficulty in selecting an appropriate ISS-Lyapunov function (ISS-LF). Therefore, in addition to detailing the controller design procedure, this paper also presents the theoretical basis for ISS-LF selection by combining the Backstepping method with adaptive control. The proposed approach is validated through simulations and experiments. The results demonstrate that the proposed control strategy achieves good performance for the considered system, including fast dynamic response, absence of transient error, global stability, and low THD of the output voltage.

Keywords: Input-to-state; VSI; Lyapunov stability; ISS-based adaptive controller

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