Vibration testing system
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United States of America Patent
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-
Jul 29, 2003
Grant Date -
Jun 12, 2003
app pub date -
Nov 28, 2001
filing date -
Sep 17, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A main computer for performing numerical simulation and a sub-computer for controlling each shaking machine are provided. Data transfer between the main computer and sub-computer is performed by communications. The main computer is provided with a model substituting function of modeling a specimen to be shaken, a parameter modification function of sequentially modifying parameters of a model in accordance with the vibration test result, and an abnormality inspection function of judging an abnormality of each shaking system and if an abnormality is detected, substituting the measured value of a reaction force with an output of the model substituting function. It is possible to make an experiment of evaluating the strength and reliability of a massive structure, for example, relative to an earthquake and to make a vibration test at a high precision and with an economical cost.
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