Extended howze-pearson compensators in block decoupling problems.

Abstract

An extended Howze-Pearson compensator avoiding pole-zero cancellations in a block decoupling system is considered. The basic relation that the compensator satisfies in order to realize block decoupling and arbitrary pole assignment is investigated. A design method to obtain the compensator is derived according to the basic relation. The dynamical order of the compensator is explicitly given by using the coprime fraction description of the system transfer matrix. The results are extended to the case for which partial pole-zero cancellations are allowed.