Stabilizing Uncertain Nonlinear Systems via the Constrained Discrete-Time State-Dependent Riccati Equation Controller

被引:0
|
作者
Chang, Insu [1 ]
Bentsman, Joseph [2 ]
机构
[1] Univ Illinois, Dept Aerosp Engn, 104 South Wright St, Urbana, IL 61801 USA
[2] Univ Illinois, Dept Mech Sci & Engn, 1206 West Green St, Urbana, IL 61801 USA
关键词
ROBUST STABILITY; ATTITUDE-CONTROL; SPACECRAFT;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The constrained discrete-time state-dependent Riccati equation technique in the presence of uncertainties in the nonlinear system to be controlled is investigated. The CD-SDRE is divided into two parts - D-SDRE and MPC-based controllers, and the entire system is considered to be a switched system. First, the system stability under each controller is separately established. The stability of the entire switched system (CD-SDRE) is then proven based on the each control system stability. Control of the spacecraft with nonlinear attitude dynamics in the presence of fuel slosh effect under limited actuator performance is used to show the effectiveness of the proposed CD-SDRE controller.
引用
收藏
页码:3870 / 3875
页数:6
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