In this work, we propose a methodology for the expression of necessary and sufficient Lyapunov-like conditions for the existence of stabilizing feedback laws. The methodology is an extension of the well-known Control Lyapunov Function (CLF) method and can be applied to very general nonlinear time-varying systems with disturbance and control inputs, including both finite and infinite-dimensional systems. The generality of the proposed methodology is also reflected upon by the fact that partial stability with respect to output variables is addressed. In addition, it is shown that the generalized CLF method can lead to a novel tool for the explicit design of robust nonlinear controllers for a class of time-delay nonlinear systems with a triangular structure.

Keywords: control Lyapunov function, stabilization, time-varying systems, nonlinear control

@article{COCV_2010__16_4_887_0, author = {Karafyllis, Iasson and Jiang, Zhong-Ping}, title = {Necessary and sufficient {Lyapunov-like} conditions for robust nonlinear stabilization}, journal = {ESAIM: Control, Optimisation and Calculus of Variations}, pages = {887--928}, publisher = {EDP-Sciences}, volume = {16}, number = {4}, year = {2010}, doi = {10.1051/cocv/2009029}, mrnumber = {2744155}, zbl = {1202.93117}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/cocv/2009029/} }

TY - JOUR AU - Karafyllis, Iasson AU - Jiang, Zhong-Ping TI - Necessary and sufficient Lyapunov-like conditions for robust nonlinear stabilization JO - ESAIM: Control, Optimisation and Calculus of Variations PY - 2010 SP - 887 EP - 928 VL - 16 IS - 4 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/cocv/2009029/ DO - 10.1051/cocv/2009029 LA - en ID - COCV_2010__16_4_887_0 ER -

%0 Journal Article %A Karafyllis, Iasson %A Jiang, Zhong-Ping %T Necessary and sufficient Lyapunov-like conditions for robust nonlinear stabilization %J ESAIM: Control, Optimisation and Calculus of Variations %D 2010 %P 887-928 %V 16 %N 4 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2009029/ %R 10.1051/cocv/2009029 %G en %F COCV_2010__16_4_887_0

Karafyllis, Iasson; Jiang, Zhong-Ping. Necessary and sufficient Lyapunov-like conditions for robust nonlinear stabilization. ESAIM: Control, Optimisation and Calculus of Variations, Volume 16 (2010) no. 4, pp. 887-928. doi : 10.1051/cocv/2009029. http://archive.numdam.org/articles/10.1051/cocv/2009029/

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