Design of Optimal Incomplete State Feedback Controllers for Large Linear Constant Systems

In this paper the theory of linear optimal output feedback control is investigated in relation to its applicability in the design of high-dimensional linear multivariable control systems. A method is presented which gives information about the relative importance of the inclusion of a state vector element in the output feedback. The necessary conditions of the optimization problem are shown to be a set of linear/quadratic algebraic matrix equations. Numerical algorithms are presented which take account of this linear/quadratic character.

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