NDLI: Feasibility study of a rotorcraft health and usage monitoring system (hums): usage and structural life monitoring evaluation

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Feasibility study of a rotorcraft health and usage monitoring system (hums): usage and structural life monitoring evaluation

Content Provider	NASA Technical Reports Server (NTRS)
Author	Cronkhite, J. Hayden, R. Bielefeld, S. Dickson, B. Killian, L.
Copyright Year	1996
Description	The objective of this study was to evaluate two techniques, Flight Condition Recognition (FCR) and Flight Load Synthesis (FIS), for usage monitoring and assess the potential benefits of extending the retirement intervals of life-limited components, thus reducing the operator's maintenance and replacement costs. Both techniques involve indirect determination of loads using measured flight parameters and subsequent fatigue analysis to calculate the life expended on the life-limited components. To assess the potential benefit of usage monitoring, the two usage techniques were compared to current methods of component retirement. In addition, comparisons were made with direct load measurements to assess the accuracy of the two techniques.
File Size	3322314
Page Count	68
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19970013213
Archival Resource Key	ark:/13960/t73v4hd49
Language	English
Publisher Date	1996-02-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Service Life Flight Characteristics Flight Conditions Aircraft Maintenance Systems Health Monitoring Rotary Wing Aircraft Aerodynamic Loads Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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