Nonlinear robustness analysis of flight control laws for highly augmented aircraft

Menon, Prathyush, Bates, Declan and Postlethwaite, Ian (2007) Nonlinear robustness analysis of flight control laws for highly augmented aircraft. Control Engineering Practice, 15 (6). pp. 655-662. ISSN 0967-0661

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this paper, a novel hybrid optimisation algorithm is applied to the problem of analysing the robustness of a nonlinear flight control law in the presence of multiple variations in key aircraft parameters over continuous regions of the flight envelope. The analysis employs a typical nonlinear clearance criterion used by the European aerospace industry together with a simulation model of a high performance aircraft with a full authority control law which is gain scheduled over the flight envelope. The hybrid algorithm incorporates global (differential evolution) and local (sequential quadratic programming) optimisation algorithms to improve convergence properties and reduce computational overheads. The proposed approach is shown to have the potential to significantly improve both the reliability and efficiency of the industrial flight clearance process.

Item Type: Article
Uncontrolled Keywords: hybrid optimisation
Subjects: H400 Aerospace Engineering
H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Sarah Howells
Date Deposited: 14 Nov 2012 16:56
Last Modified: 13 Oct 2019 00:23

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