STROBOHOLOGRAPHY FOR THE ANALYSIS OF VIBRATION MODES OF MECHANICAL SYSTEMS
AbstractThe paper presents the methodology for obtaining holograms by the methods of stroboholography and tech-niques for their analysis when three-dimensional vibrations of an object are conditioned by the signal of one or two harmonic frequencies or non harmonic signal. A method of strobo light pulse formation and synchronization with the selected phase of oscillations to ensure a robust and stable synchronization is presented. The methodology for analy-sis of the obtained holograms evaluating the duration of strobo pulses and the hologram exposure time is presented. The cases of the separation of vibration components of the object are analyzed, the results obtained with the rational and irrational ratios of the oscillation frequencies are pre-sented.
DYNAMICS OF MECHANICAL SYSTEMS