NDLI: A variable structure control system for the propulsion controlled automatic landing of a contemporary large transport aircraft

Content Provider	IEEE Xplore Digital Library
Author	Kowal, B.W.
Copyright Year	2000
Description	Author affiliation: Aeronaut. Syst. Center, WPAFB, OH, USA (Kowal, B.W.)
Abstract	Propulsion Controlled Aircraft (PCA) techniques address the problem of controlling an aircraft through only the propulsion system after the primary flight control system has failed. There have been several major commercial accidents in which over 1200 people have lost their lives due to these type of accidents. In addition during the Vietnam War it is estimated that 18% of the aircraft lost...around 1800 aircraft...were lost due to flight control system failures. PCA techniques have been shown to have the potential to prevent some of these commercial aircraft accidents and have also been shown to have the potential to significantly improve military aircraft survivability to flight control system damage or failures. This paper will present a brief history of accidents that might have been avoided through PCA techniques and will apply the modern nonlinear Variable Structure Control System (VSCS) method to the aircraft PCA problem for a contemporary large transport aircraft. The VSCS controller will be compared with a classical linear controller for the task of glide slope tracking. The robustness of the VSCS controller to sensor noise and model uncertainty will be evaluated. It will be shown that the VSCS controller performs as well as the classical controller with improved robustness to model uncertainty.
Starting Page	187
Ending Page	194
File Size	559469
Page Count	8
File Format	PDF
ISBN	0780362624
DOI	10.1109/NAECON.2000.894909
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-10-12
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Control systems Aerospace control Aircraft propulsion Military aircraft Principal component analysis Accidents Noise robustness Robust control Uncertainty History
Content Type	Text
Resource Type	Article

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