Nonlinear feedback control of highly manoeuvrable aircraft
作者:
WILLIAML. GARRARD,
DALEF. ENNS,
S. ANTONY SNELL,
期刊:
International Journal of Control
(Taylor Available online 1992)
卷期:
Volume 56,
issue 4
页码: 799-812
ISSN:0020-7179
年代: 1992
DOI:10.1080/00207179208934344
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
This paper describes the application of nonlinear quadratic regulator (NLQR) theory to the design of control laws for a typical high-performance aircraft. The NLQR controller design is performed using truncated solutions of the Hamil-ton-Jacobi-Bellman equation of optimal control theory. The performance of the NLQR controller is compared with the performance of a conventional P+I gain scheduled controller designed by applying standard frequency response techniques to the equations of motion of the aircraft linearized at various angles of attack. Both techniques result in control laws which are very similar in structure to one another and which yield similar performance. The results of applying both control laws to a high-g vertical turn are illustrated by nonlinear simulation.
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