Hanquan Lin

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In this paper, a value iteration adaptive dynamic programming (ADP) algorithm is developed to solve infinite horizon undiscounted optimal control problems for discrete-time nonlinear systems. The present value iteration ADP algorithm permits an arbitrary positive semi-definite function to initialize the algorithm. A novel convergence analysis is developed(More)
In this paper, a novel critic-identifier-actor optimal control scheme is designed for discrete-time affine nonlinear systems with uncertainties. A neural identifier is established to learn the unknown control coefficient matrix for affine nonlinear system working together with an actor-critic-based scheme to solve the optimal control in online and(More)
In this paper, a distributed tracking controller with an adaptive law for adjusting coupling weights between neighboring agents is designed for leader-following multi-agent systems under fixed and switching topologies. In contrast to most existing literature where agents are integrators or double integrators, the dynamics of each agent is a general linear(More)
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