Investigation of dynamic properties of vehicle in various friction condition simulated with use of skidcar system
Vilnius Gediminas Technical University, Department of Automobile Transport
Automotive Industry Institute (PIMOT)
Data publikacji: 25-04-2014
The Archives of Automotive Engineering – Archiwum Motoryzacji 2014;63(1):82-102
In this paper, the friction characteristics of a vehicle equipped with skidcar system are analyzed. Skidcar system with attached additional wheels helps to regulate the adhesion with the road surface. Easy slipping vehicle is a useful device for driving skills improvement, carrying out various vehicle dynamics and control research activities. Important reason of skidcar systems is an ability to set low friction values in dry and good contact road conditions. Regulation of friction characteristics extends the limits of the system operation. In this case, the identification of friction characteristics is important. Vertical load of wheels and critical horizontal forces are measured in each operating mode by changing skidcar system height. Furthermore, ISO4138 driving manoeuvre is performed to measure the vehicle accelerations, oscillations and slip parameters for friction evaluation in dynamic state.  The performed analysis could be useful for drivers training and for further vehicle stability and control researches upon using skidcar system.
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