Adaptive iterative learning control for switched nonlinear continuous-time systems

Zhen Shao and Zhengrong Xiang

International Journal of Systems Science, 2019, vol. 50, issue 5, 1028-1038

Abstract: In this paper, an adaptive iterative learning control (ILC) method is proposed for switched nonlinear continuous-time systems with time-varying parametric uncertainties. First, an iterative learning controller is constructed with a state feedback term in the time domain and an adaptive learning term in the iteration domain. Then a switched nonlinear continuous-discrete two-dimensional (2D) system is built to describe the adaptive ILC system. Multiple 2D Lyapunov functions-based analysis ensures that the 2D system is exponentially stable, and the tracking error will converge to zero in the iteration domain. The design method of the iterative learning controller is obtained by solving a linear matrix inequality. Finally, the efficacy of the proposed controller is demonstrated by the simulation results.

Date: 2019
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DOI: 10.1080/00207721.2019.1587029

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