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TRENDS: The aeronautical post-test database management systemTRENDS, an engineering-test database operating system developed by NASA to support rotorcraft flight tests, is described. Capabilities and characteristics of the system are presented, with examples of its use in recalling and analyzing rotorcraft flight-test data from a TRENDS database. The importance of system user-friendliness in gaining users' acceptance is stressed, as is the importance of integrating supporting narrative data with numerical data in engineering-test databases. Considerations relevant to the creation and maintenance of flight-test database are discussed and TRENDS' solutions to database management problems are described. Requirements, constraints, and other considerations which led to the system's configuration are discussed and some of the lessons learned during TRENDS' development are presented. Potential applications of TRENDS to a wide range of aeronautical and other engineering tests are identified.
Document ID
19900015833
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Bjorkman, W. S. (Analytical Mechanics Associates, Inc., Mountain View CA., United States)
Bondi, M. J. (NASA Ames Research Center Moffett Field, CA, United States)
Date Acquired
September 6, 2013
Publication Date
January 1, 1990
Subject Category
Research And Support Facilities (Air)
Report/Patent Number
A-88225
NASA-TM-101025
NAS 1.15:101025
Accession Number
90N25149
Funding Number(s)
PROJECT: RTOP 505-61-51
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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