Optimal rigid body motions,part 1: Approximate formulation |
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Authors: | R. S. Chowdhry J. Z. Ben-Asher E. M. Cliff |
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Affiliation: | (1) Aerospace Engineering, Virginia Polytechnic Institute and State University, Blacksburg, Virginia |
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Abstract: | Optimal rigid body angular motions are investigated in the absence of direct control over one of the angular velocity components, via an approximate dynamic model. An analysis of first-order necessary conditions for optimality with the proposed model reveals that, over a large range of boundary conditions, there are, in general, several distinct extremal solutions. A classification in terms of subfamilies of extremal solutions is presented. Second-order necessary conditions are investigated to establish local optimality for the candidate minimizers.This work was supported in part by DARPA Contract No. ACMP-F49620-87-C-0116 and by Air Force Grant AFOSR-89-0001. |
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Keywords: | Optimal rigid body angular maneuvers supermaneuverable aircraft multiple extremal solutions second-order necessary conditions |
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