The k-step self-adjusting multivariable discrete controllers

Details The k-step self-adjusting multivariable discrete controllers The k-step self-adjusting multivariable discrete controllers

G - Physics

05

B

G05B 13/00 (2006.01) C10G 47/36 (2006.01)

Patent

CA 2661491

Methods to adjust the controller gain matrices of multivariable discrete con- trollers are suggested. The methods adjust a set of parameters called the state parameter matrices in k steps. The remaining parameter matrices of a conrtroller are calculated from these matrices. Each step is a move in the steepest descent of the value of the variance of the disturbance caused by the dead time of the system. If the number of k steps is infinite, the self- adjusting algorithm is an adaptive algorithm. A unit value or small number of steps means that the self-adjusting algorithm is a self-tuningalgoritlm. The value of k determines how aggressive a control engineer wants the self- tuning algorithm to be. A zero value of k means that the controller is time invariant.

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