Damage tolerance using adaptive model-based methods
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United States of America Patent
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Issued Date -
Nov 11, 2004
app pub date -
Jan 22, 2004
filing date -
Jan 23, 2003
priority date (Note) -
Abandoned
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Abstract
A model based framework utilizing a vector of multiple material states integrates nondestructive evaluation methods that provide observability of precursor and damage states with health control actions to reduce sustainment costs and extend component lifetimes. This evaluation includes usage monitoring and onboard diagnostics to ensure damage state observability. With an adaptive damage tolerance model, a set of precursor and damage states are assumed. Monitoring of precursor states, early damage detection, and observable health control actions, combined with onboard diagnostics, permit reduced costs and ensure readiness.
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