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 highlights the main possibilities of studying the influence of the functional parameters on the vehicle's efficiency and its dynamic behavior. Mathematical algorithms are applied, which allow us to study these issues based on experimental data gathered throughout specific tests carried out on certain vehicles. These algorithms are applied on vehicles which have electronic control for various automotive systems, thus the data was gathered from the vehicles' built in CPUs. To this purpose we will show how to use sensitivity analysis, dispersion analysis, correlation analysis and information theory in automotive engineering.
The paper presents elements related to the control and stability of the lateral dynamics of the vehicle. The mathematical model of the ESC system is given. The study of stability is presented, including by using the phase portrait. The control strategies and algorithms used in ESC are presented. The results obtained using the technical data of the Volkswagen Touareg and Chevrolet Camaro cars are presented.
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