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The optimal control problem for nonlinear interconnected dynamic large-scale systems with sinusoidal disturbances is considered. An approximation optimal control approach compensating disturbances is proposed with respect to the finite-domain quadratic performance indexes. By using the approach, a high order, coupling, non-linear two-point boundary value problem is transformed to a linear decoupling two-point boundary value problem sequence. We prove the global convergence of the constructing sequences. By solving the sequence of state equations and a sequence of adjoint vector differential equations iteratively, the control law is obtained. Simulation examples show the effectiveness of the proposed approach.
Control Conference, 2008. CCC 2008. 27th Chinese
Date of Conference: 16-18 July 2008