Robust adaptive control of nonlinear dynamic systems using hybrid sliding mode regressive neural learning technique
ISSN: 0264-4401
Article publication date: 30 May 2023
Issue publication date: 2 June 2023
Abstract
Purpose
The proposed Sliding Mode Control-Global Regressive Neural Network (SMC-GRNN) algorithm is an integration of Global Regressive Neural Network (GRNN) and Sliding Mode Control (SMC). Through this integration, a novel structure of GRNN is designed to enable online and. This structure is then combined with SMC to develop a stable adaptive controller for a class of nonlinear multivariable uncertain dynamic systems.
Design/methodology/approach
In this study, a new hybrid (SMC-GRNN) control method is innovatively developed.
Findings
A novel structure of GRNN is designed that can be learned online and then be integrated with the SMC to develop a stable adaptive controller for a class of nonlinear uncertain systems. Furthermore, Lyapunov stability theory is utilized to ensure the hidden-output weighting values of SMC-GRNN adaptively updated in order to guarantee the stability of the closed-loop dynamic system. Eventually, two different numerical benchmark tests are employed to demonstrate the performance of the proposed controller.
Originality/value
A novel structure of GRNN is originally designed that can be learned online and then be integrated with the sliding mode SMC control to develop a stable adaptive controller for a class of nonlinear uncertain systems. Moreover, Lyapunov stability theory is innovatively utilized to ensure the hidden-output weighting values of SMC-GRNN adaptively updated in order to guarantee the stability of the closed-loop dynamic system.
Keywords
Acknowledgements
The authors acknowledge the Ho Chi Minh City University of Technology (HCMUT), VNU-HCM for supporting this study.
This research is funded by Vietnam National University Ho Chi Minh City (VNU-HCM) under grant number DS 2022-20-09.
Citation
Anh, H.P.H. and Dat, N.T. (2023), "Robust adaptive control of nonlinear dynamic systems using hybrid sliding mode regressive neural learning technique", Engineering Computations, Vol. 40 No. 3, pp. 657-678. https://doi.org/10.1108/EC-06-2022-0399
Publisher
:Emerald Publishing Limited
Copyright © 2023, Emerald Publishing Limited