A comparison of rate-limit compensation schemes for pilot-induced-oscillation avoidance

Gatley, Sarah L., Turner, Matthew, Postlethwaite, Ian and Kumar, Abhishek (2006) A comparison of rate-limit compensation schemes for pilot-induced-oscillation avoidance. Aerospace Science and Technology, 10 (1). pp. 37-47. ISSN 1270-9638

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Official URL: http://dx.doi.org/10.1016/j.ast.2005.07.004

Abstract

It is known that rate-limited actuators may be responsible for causing Category II pilot-induced-oscillations (PIO's). This paper presents a comparison between two industry-develope rate limit compensators and an H∞ compensator proposed in [C. Edwards, I. Postlethwaite, Anti-windup and bumpless transfer scheme, Automatica 24 (2) (1998) 199–210] and used in [M.C. Turner, D.J. Walker, A.G. Alford, Design and ground-based simulation of an H∞ limited authority control system for the Westland Lynx helicopter, Aerospace Science and Technology 5 (2001) 221–234]. These are tested on an industry-standard aircraft model called ADMIRE, with nonlinear simulations. Overall, it is shown that the H∞ compensator produces the best all-round performance for the input types considered, both in the pitch and the roll channels.

Item Type: Article
Subjects: H600 Electronic and Electrical Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Sarah Howells
Date Deposited: 11 Dec 2012 09:29
Last Modified: 10 Aug 2015 11:35
URI: http://nrl.northumbria.ac.uk/id/eprint/10591

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