Feedforward and feedback optimal control for linear time-varying systems with persistent disturbances

被引：4
|
作者：
Coll. of Information Science and Engineering, Ocean Univ. of China, Qingdao 266071, China [1 ]
机构：
[1] Coll. of Information Science and Engineering, Ocean Univ. of China
来源：
J Syst Eng Electron | 2006年 / 2卷 / 350-354期
基金：
中国国家自然科学基金;
关键词：
Disturbance observer; Feedforward control; Optimal control; Persistent disturbances; Time-varying systems;
D O I：
10.1016/S1004-4132(06)60061-3
中图分类号：
学科分类号：
摘要：
The optimal control problem for linear time-varying systems affected by external persistent disturbances with known dynamic characteristics but unknown initial conditions is consider and a design procedure of a feedforward and feedback optimal controller is presented. The condition of existence and uniqueness of the control law is given. The disturbance observer is proposed to make the feedforward control law realizable physically. Simulation results demonstrate that the feedforward and feedback optimal control law is more effective and robust than the classical state feedback control law with respect to external disturbances.
引用
收藏
页码：350 / 354
页数：4
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