The paper presents elements related to the dynamics of the vehicle equipped with a post-impact dynamics control system, so if a first impact has occurred. Possible solutions are given in practice. A mathematical model used for the post-impact control system is presented. A real operational accident is targeted, through the comparative study in case of lack and in case of existence of a post-impact control system.
The paper addresses one of the methods of diagnosing the gasoline injection engine available on the vehicle, namely signal-based diagnostics. The most used algorithms for signal-based diagnostics are highlighted. The possibilities offered on an experimental basis are presented and the tests performed in this respect are presented. Time-frequency analysis techniques are applied to detect defects caused in the case of the Audi A6 car engine.
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