An analytical review of the vehicle auxiliary brake systems design (retarders)

Introduction. This work is devoted to the structure development of one of the most important elements of active safety - auxiliary braking systems of vehicles operating in difficult road conditions. The purpose of the study was to identify the current trend in the retarders development taking into account both the experience of leading automobile countries and the developments of FSUE “NAMI” ofthe past years, with the purpose to stimulate the research in this area, which has not been carried out for more than 30 years.

Methodology and research methods. The material of the article is the result of both the domestic regulatory base analysis of active safety equipment, and the relevant legislative acts of the European Union countries, which oblige to equip some categories of vehicles with retarder brakes. The terminology used for this type of aggregates has been clarified.

Scientific novelty and results. The conducted studies of modern retarder brakes properties and designs from leading manufacturers allow us to determine the main directions of domestic developments in the field of energy-intensive brake systems.

The practical significance lies in the systematization of advantages and disadvantages of various retarder types, which makes it possible to determine the optimization of the design choice for a specific type of vehicle.

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