METHOD AND DEVICE OF DIAGNOSING DAMAGE OF STRUCTURAL OBJECT
|Posted date||Nov 19, 2012|
|Date of filing||Feb 12, 2009|
|Gazette Date||Nov 3, 2010|
|International application number||WO2009JP52311|
|Date of international filing||Feb 12, 2009|
|Title||METHOD AND DEVICE OF DIAGNOSING DAMAGE OF STRUCTURAL OBJECT|
In the diagnosis of a structure, at least one electromechanical transducer is fixed to a structure as an object of diagnosis and is driven with an alternating voltage of a constant amplitude, and a current flowing through the at least one electromechanical transducer is measured. Next, high frequency components around a driving frequency of the electromechanical transducer are separated from a signal of the current. Next, modulation information due to a damage is extracted from amplitude and/or phase demodulation of the high frequency components. Then a damage index is evaluated based on the modulation information. Thus, structural health can be diagnosed with use of at least one electromechanical transducer, without baseline data, in one measurement.
|IPC(International Patent Classification)||
Contact Information for " METHOD AND DEVICE OF DIAGNOSING DAMAGE OF STRUCTURAL OBJECT "
- National University Corporation Kyoto Institute of Technology Intellectual Property,Research Promotion
- URL: http://www.ipo.kit.ac.jp/
- Address: 1,Matsugasaki Hashikami-cho, Sakyo-ku, Kyoto-shi, Kyoto, Japan , 606-8585
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