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Optimal piecewise state feedback control for impulsive switched systems. (English) Zbl 1145.93352

Summary: We consider a class of the optimal state feedback control problems involving switched systems with state jumps. The planning time horizon is subdivided into \(N\) subintervals, where the breakpoints are called the re-setting times. One system is used during each subinterval with a piecewise state feedback control form. The re-setting time, the feedback gain matrices and the heights of the state jumps at the re-setting times are considered as decision variables. It is shown, through a time scaling transform, that this class of optimal control problems is equivalent to an optimal parameter selection problem, where the varying re-setting time points are mapped into fixed time points. The gradient formula of the transformed cost function is derived. With this gradient formula, the optimal parameter selection problem can be solved as a nonlinear optimization problem, and the optimal control software MISER 3.3 can be used. Two illustrative examples are solved using the proposed method.

MSC:

93B52 Feedback control
49K25 Optimal control problems with equations with ret.arguments (nec.) (MSC2000)
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