Force identification with use of spatial filter based on ODS
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AGH University of Science and Technology, Department of Robotics and Mechatronics, al. Mickiewicza 30, 30-059 Krakow, Poland
Publication date: 2017-12-20
Diagnostyka 2015;16(1):23-28
In last few decades it can be observed that there is a significant growth of the interest in the structural health monitoring (SHM) systems development and applications. Unfortunately many authors focuses only on the damage detection and other activities rela ted with diagnosis of fault. Meanwhile, classical SHM system by definition should have in addition to a diagnostic module also module for load monitoring. This load can be measured, but easier and cheaper is to identify it from the measured response of the object. Often it is the only practical possibility to monitor the excitation. The paper presents a trial to apply a spatial filter based on operational deflection shapes (ODS) to force identification. The idea of spatial filter will be s hown together with the method of force reconstruction. The simulation verification and comparison with classical modal filter will be also provided.
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