Stability margins in inverse optimal input-to-state stabilization

被引:0
|
作者
Krstic, M [1 ]
机构
[1] Univ Calif San Diego, Dept Appl Mech & Engn Sci, La Jolla, CA 92093 USA
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
We show that if a system is input-to-state stabilizable, we can always design a controller that is input-to-state stabilizing if the presence of input unmodeled dynamics of the form a(I + P) where a greater than or equal to 1/2 is constant and p is a strictly passive (possibly nonlinear) system. This result is a direct extension to nonlinear systems with disturbances of the well known inverse optimality result from linear systems (infinite gain margin and 60 degrees phase margins.
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页码:1648 / 1652
页数:5
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