Robust Pole Assignment in Multirate Input Sampling Digital Control System

This paper discusses the problem of robust pole assignment using multirate input sampling state feedback. Because of the multirate input sampling, the actual input numberof a system is increased, enablingthe pole assignment state feedback controllerto have some degree of freedom. In this paper, the degree of freedom is explicitly expressed as free parameters in form. These free parameters are selected by an optimization algorithm, and can be utilized to improve the robust performances of closed-loop systems.