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FLV TESTING [1 record]
Record 1 - internal organization data 2017-01-25
Record 1, English
Record 1, Subject field(s)
- Engineering Tests and Reliability
- Aeroindustry
Record 1, Main entry term, English
- force limited vibration testing
1, record 1, English, force%20limited%20vibration%20testing
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- FLV testing 1, record 1, English, FLV%20testing
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
In conventional vibration testing of space hardware, the acceleration input to the base of a test article is controlled to specifications that are typically derived from the article interface acceleration at higher level of assembly. This conventional approach to testing has been known for over 30 years to greatly overtest the test article at its own natural frequencies. In recent years, NASA's Jet Propulsion Laboratory led the development and implementation of an improved method called force limited vibration (FLV) testing. In addition to controlling the input acceleration, the FLV testing measures and limits the reaction forces between the test article and the shaker. 1, record 1, English, - force%20limited%20vibration%20testing
Record 1, Key term(s)
- force limited vibration test
- FLV test
Record 1, French
Record 1, Domaine(s)
- Fiabilité, contrôle et essais (Ingénierie)
- Constructions aéronautiques
Record 1, Main entry term, French
- méthode d'essai FLV
1, record 1, French, m%C3%A9thode%20d%27essai%20FLV
feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- méthode de test vibratoire à force d'interface contrôlée 1, record 1, French, m%C3%A9thode%20de%20test%20vibratoire%20%C3%A0%20force%20d%27interface%20contr%C3%B4l%C3%A9e
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Lors de tests vibratoires conventionnels de matériel spatial, l'accélération imposée à la base de l'unité mise à l'essai est contrôlée selon des spécifications habituellement tirées de l'accélération d'interface de l'unité à des niveaux avancés d'assemblage. Depuis maintenant 30 ans, cette approche conventionnelle de mise à l'essai du matériel est reconnue pour surtester les éléments à leurs propres fréquences naturelles. Au cours des dernières années, le JPL [Jet Propulsion Laboratory] de la NASA a été le chef de file dans le développement et la mise en œuvre d'une nouvelle méthode de test vibratoire où la force d'interface est aussi contrôlée (FLV pour Force Limited Vibration testing). En plus de contrôler l'accélération imposée, la méthode d'essai FLV mesure les forces exercées entre l'élément testé et le pot vibrant et limite ces dernières. 1, record 1, French, - m%C3%A9thode%20d%27essai%20FLV
Record 1, Spanish
Record 1, Textual support, Spanish
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