Optimal control of nonlinear systems is one of the most active subjects in control theory one of the main difficulties with classic optimal control theory is that to determine optimal control for a nonlinear system the hamilton jacobi bellman hjb partial differential equations pdes have to be solved bryson ho 1975. In this chapter optimal control problems of continuous time affine nonlinear systems are studied using adaptive dynamic programming adp approach first an identifier critic architecture based on adp methods is presented to derive the approximate optimal control for partially unknown continuous time nonlinear systems. A strategy for optimal nonlinear feedback control of randomlyexcited structural systems is proposed based on the stochastic averagingmethod for quasi hamiltonian systems and the stochastic dynamicprogramming principle a randomly excited structural system isformulated as a quasi hamiltonian system and the control forces aredivided into conservative and dissipative parts the conservative . Abstract the efficiency of solar photovoltaic pv systems is directly affected by the convergence and steady state responses of the implemented control method in this paper considering the nonlinearity appearing in the model of the solar pv system we employ a nonlinear optimal feedback control scheme to deal with the oscillations around the maximum power point mpp of the system induced . Nonlinear and optimal control systems by topics optimal control nonlinear control state space collection folkscanomy additional collections language english nonlinear and optimal control systems by thomas vincent walter grantham addeddate 2017 01 25 153515
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