Abstract
In this paper, an adaptive iterative learning control (AILC) strategy for high-speed trains with unknown speed delays and control input saturations is designed to address speed trajectory tracking problem. The train motion dynamics containing nonlinearities and parametric uncertainties are formulated as a nonlinearly parameterized system. Instead of estimation or modeling of train delays, an unknown time-varying delay term is integrated into the speed on delay analysis by means of Lyapunov–Krasovskii function. Through rigorous analysis, it is confirmed that the proposed AILC mechanism can guarantee $L_{[0, T]}^{2}$ convergence of train speed to the desired profile during operations repeatedly. Case studies with numerical simulations further verify the effectiveness of the proposed approach.
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More From: IEEE Transactions on Automation Science and Engineering
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