Design of output feedback controller with eigenvalue and eigenvector insensitivity

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Abstract
In a recent paper Howze and Cavin (1979) described the design of a state feedback controller which simultaneously assigned the desired eigenvalues and achieved eigenvalue and eigenvector insensitivity under small parameter variations. In this paper the above results have been extended using output feedback. A set of sufficient conditions required to be satisfied for the same, have been laid down. The new design procedure of output feedback controller evolved in this paper, not only assigns arbitrary poles but also utilizes the available excess freedom to achieve insensitivity of some of the dominant eigenmodes. A physical example has been given to illustrate the design procedure

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