Simulation of Friction-Induced Vibrations in Automotive Brake Systems
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Beschreibung
In order to investigate friction-induced vibrations in automotive brake systems, the method of complex eigenvalue analysis (CEA) has been typically applied in industrial applications. Since the method is based on a linearized contact state between brake disc and pads, its suitability as a tool for assessing the stability of transient and strongly nonlinear mechanical systems, such as disc brakes, is put into question. On the other hand, time-domain investigations based on finite elements (FE) are not practicable, because the calculation times of nonlinear analyses are not feasible for the large FE models of industrial brake systems. In this work, the combination of model order reduction techniques, elastic multibody systems (MBS) and uncertainty analyses based on fuzzy arithmetic allows an efficient, transient and robust study of brake systems in the time domain.
Autor*in
Igor Iroz Asin
Themen in »Simulation of Friction-Induced Vibrations in Automotive Brake Systems«
automotive brake systems complex eigenvalue analysis elastic multibody systems friction-induced vibrations fuzzy uncertainty analysis model order reduction