PROCESSING OF OPERATING DEFLECTION SHAPES

Abstract

The article deals with measurement and visualization of the operating deflection shapes (ODS) on laboratory task. The aim is to measure the Frequency Response Function (FRF) of selected points of the template. Together with the visualization of their magnitude, real part, imaginary part or phase, and show template‘s ODS. The measuring chain consists of an accelerometer, laser, and shaker. Data acquisition is performed via PULSE LabShop application. Visualization of processed data is accomplished in Matlab GUI application called “ODS app“. The article also contains the theoretical basis of the measurement principle along with setup of PULSE LabShop project and general description of Matlab GUI application components.

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