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		Bing SUN,Baozhu GUO.[en_title][J].Control Theory and Technology,2005,3(2):101~109.[Copy]

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BingSUN,BaozhuGUO
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Received:May 22, 2005

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Maxi mumprinciple for the optimal control of an ablation-transpiration cooling system with free final time and phase constraints

Bing SUN, Baozhu GUO

(Institute of Systems Science,Academy of Mathematics and System Science s,Academia Sinica,Beijing 100080,China)

Abstract:

paper is concerned with an optimal co nt rol problem of an ablation-transpiration cooling control system with Stefan-Sig norini boundary condition.As the continuation of the authors'previous paper,the Dubovits Rii-Milyutin functional approach is again adopted in investigation of t he Pontryagin's maximun principle of the system.The necessary optimality condit ion is presented for the problem with free final horizon and phase constraints.

Key words: Ablation-transpiration cooling process Stefan-S ignorini problem Optimal control Maximum principle