Design of H/sub /spl infin// controllers for affine nonlinear uncertain systems

G. Nakura, H. Katayama, A. Ichikawa
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Abstract

In this paper we consider the H/sub /spl infin// control for an affine nonlinear uncertain system. We show that the original H/sub /spl infin// problem can be reduced to an H/sub /spl infin// problem without uncertainty; and by taking quadratic functions satisfying Hamilton-Jacobi-Isaacs inequalities for the H/sub /spl infin// control problem, we give /spl gamma/-suboptimal state feedback controllers and the domain of their validity. We then construct /spl gamma/-suboptimal output feedback controllers and also give the domain of /spl gamma/-disturbance attenuation.
仿射非线性不确定系统H/sub /spl / infin//控制器设计
本文研究一类仿射非线性不确定系统的H/sub /spl / In //控制。我们证明了原来的H/sub /spl inin //问题可以简化为H/sub /spl inin //问题而没有不确定性;通过对H/sub /spl控制问题取满足Hamilton-Jacobi-Isaacs不等式的二次函数,给出了/spl γ /-次优状态反馈控制器及其有效性域。然后,我们构造了/spl γ /-次优输出反馈控制器,并给出了/spl γ /-干扰衰减的域。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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