N. Yen

Multirate robust servomechanism controllers of linear delay systems using a hybrid structure

Yuehua Wu, Yung-Chun Wu, N. Yen, 1994 .

On a general optimal algorithm for multirate output feedback controllers for linear stochastic periodic systems

Nie-Zen Yen, Yung-Chun Wu, Yung-Chun Wu, 1993, IEEE Trans. Autom. Control..