E. Ravina (Italy)
Shock absorbers, validation, oil hydraulics, virtual instrumentation
The paper discusses a theoretical and experimental approach to the validation of high performance shock absorbers, based on a flexible and innovative procedure. This type of components needs specific and unconventional tests, in order to detect the actual fluidic performances under very diversified and heavy working conditions. Usually standard shock absorbers are experimentally identified through force-displacement maps, obtained by means of sinusoidal or quasi-sinusoidal excitations, mechanically generated. This technique is unsatisfactory to know the behaviour of high performance components: a flexible identification procedure, based on an innovative workbench, able to develop more detailed and specific analyses, is proposed. Testing of advanced products designed for racing cars and motorbikes are discussed and compared.
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