Command governors for constrained nonlinear systems

被引:65
作者
Angeli, D [1 ]
Mosca, E [1 ]
机构
[1] Univ Florence, Dipartimento Sistemi & Informat, I-50139 Florence 3, Italy
关键词
control under constraints; nonlinear systems; tracking under constraints;
D O I
10.1109/9.754825
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
A method is described for set-point tracking in nonlinear systems when pointwise-in-time input and/or state inequality constraints are to be enforced, It consists of adding to a primal compensated system a nonlinear device called command governor (CG) whose action is based on the current state, set-point. and prescribed constraints. The CC selects at any time the system input via a receding-horizon strategy from a virtual sequence amongst all possible command sequences by solving a constrained quadratic optimization problem. Provided that the initial state be admissible, the overall system is proved to fulfill the constraints and have desirable performance stability properties.
引用
收藏
页码:816 / 820
页数:5
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