On dynamic inversion with rate limitations | IEEE Conference Publication | IEEE Xplore

On dynamic inversion with rate limitations


Abstract:

This paper investigates new ways of accounting for saturations in nonlinear dynamic inversion schemes. Because of its high practical interest, the particular case of rate...Show More

Abstract:

This paper investigates new ways of accounting for saturations in nonlinear dynamic inversion schemes. Because of its high practical interest, the particular case of rate limitations will receive a special attention here. The central contribution of the paper consists of showing how the nonlinear control problem can be rewritten in a standard form, strongly inspired by the robustness analysis framework. More precisely, standard dynamic-inversion-based controllers are viewed in this paper as particular solutions to a more general nonlinear compensation scheme. Various strategies are then proposed to solve the problem, among which multi-channel H design approaches - for which new optimization tools were recently made available - will play a key role. In a second step, anti-windup optimization is also considered to further improve the control laws. The proposed methodology is illustrated by a realistic aircraft control design example.
Date of Conference: 27-29 June 2012
Date Added to IEEE Xplore: 01 October 2012
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Conference Location: Montreal, QC, Canada

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