Multifeedback (A,B)-Invariant Subspaces and Multirate Sampled Decoupling
多重(A,B)-不变子空间及多频采样控制

In this paper, a new concept of multifeedback (A,B)-invariant subspace is introduced. A criterion and some basic properties are presented. By using these, a necessary and sufficient condition for the solvability of the disturbance decoupling problem of a class of multirate sampled-data systems is obtained.