Abstract
This paper is concerned with a method of a synthesis of a linear multi-input state feedback control system which possesses integrity with respect to the failure in the specified input channels. The method uses a positive semidefinite matrix which satisfies a kind of Riccati type equation and the system is stabilized with the desired degree of stability as well as possessing integrity against specified actuator failure. Furthermore, it is shown that the closed-loop system has some good properties of a feedback control system such as enough stability margin and low sensitivity, using the minimum singular value of the return difference and inverse-return difference matrices. Finally the effectiveness of the method is demonstrated with a numerical example.