In this paper the design of robust controller using noffi1alized left coprime factorization, the evaluation of the robustness of control system, and controller reduction are discussed.

• 本文主要在用规范化左互质因子分解法设计鲁棒控制器,控制系统的 鲁棒性评估,以及控制器降阶方面进行了研究。