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Integrity in flight control systemsIn connection with advances in technology, mainly in the electronic area, aircraft flight control applications have evolved from simple pilot-relief autopilots to flight-critical and redundant fly-by-wire and active control systems. For flight-critical implementations which required accommodation of inflight failures, additional levels of redundancy were incorporated to provide fail-safe and fail-operative performance. The current status of flight control systems reliability is examined and high-reliability approaches are discussed. Attention is given to the design of ring laser gyros and magnetohydrodynamic rate sensors, redundancy configurations for component failure protection, improvements of hydraulic actuators made on the component level, integrated actuators, problems of software reliability, lightning considerations, and failure detection methods for component and system failures.
Document ID
19780039964
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Kurzhals, P. R.
(NASA Headquarters Washington, DC United States)
Deloach, R.
(NASA Headquarters Washington, DC United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1977
Subject Category
Aircraft Stability And Control
Meeting Information
Meeting: Joint Automatic Control Conference
Location: San Francisco, CA
Start Date: June 22, 1977
End Date: June 24, 1977
Accession Number
78A23873
Distribution Limits
Public
Copyright
Other

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