The Development of Principles to Improve Stability of Road Trains during Emergency Braking on a Straight Section of the Road and in the Event of Brake Failure in Trailers

The widespread use of multi-combination vehicles (MCVs) such as road trains with trailers and semi-trailers in the cargo delivery system is due to the need to transport heavy bulky cargo and ensure low unit pressure on the supporting surface when MCV carrying capacity and operational speed increase. Stability and controllability are important properties of the vehicles as they largely determine the operational safety when the speed increases. Improving the operational safety is especially important because traffic accidents involving MCVs lead to the most severe consequences and significant material damage. The authors have developed a method for improving road train stability in the event of emergency braking on a straight section of the road and failure of the trailer braking system. The method makes it possible to maintain the trajectory stability of the road train and avoid accidents with heavy consequences.  The efficiency and effectiveness of the proposed method of improving road train stability in the event of emergency braking on a straight section of the road and failure of the trailer braking system is proved by simulation modelling.

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