METHOD FOR MEASURING LOADING AND TEMPERATURE IN STRUCTURES AND MATERIALS BY MEASURING CHANGES IN NATURAL FREQUENCIES
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United States of America Patent
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Issued Date -
Jan 17, 2008
app pub date -
Jun 27, 2007
filing date -
Jun 27, 2006
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Abandoned
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Abstract
'Resonance Force Sensor' has broad--and in some cases revolutionary--applications throughout aerospace, maritime, transportation, and industrial force sensing as a low cost, embedded, robust, self-calibrating strain-pressure sensor. Applications include but are not limited to structural load measurement, structural health monitoring, fluid and gas line pressure measurement, batch process manufacturing, and other force-sensing applications. When a complex structure, e.g. an aircraft or ground vehicle structure, is so instrumented, the present invention serves as the primary sensory component for a highly accurate, automatic, on-board vehicular weight and balance system. This sensor system can also be used in non-vehicular structures to measure axial, radial or flexural loading, and hence gravitational mass loading, of structural elements and structural systems.
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