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A general procedure for evaluating a weighted mean-square-error criterion for multivariable systems is presented. By incorporating pure time delays as PadÃ© approximations, the method may be applied to interacting computer control loops which are subjected to random load disturbances, thus leading to optimal-control-algorithm settings. A matrix solution of the integral criterion using Gaussian elimination obviates the need for standard-integral tables.
Date of Publication: August 26 1971