Abstract
The development and condition of the road network of Ukraine significantly lag behind the needs of society. At the same time, the road itself is the basic factor that forms the smoothness and driving comfort in the aspect of vibration loads of the driver and passengers. In addition, in the conditions of warfare, the mobility (that is, speed modes) of military vehicles off-road is extremely important, the maximum values of which are limited to reaching the maximum permissible levels of vibration loads on personnel (driver – passenger). As a result of practical tests, the results of vibration loads were obtained for the scheme “Road surface – Car – Passenger”. Based on these results, the foundations for the formation of a national regulatory framework regarding the permissible vibration loads during the transporting of passengers on roads and as well as conditions for limiting the speed of off-road vehicles were developed. Based on ISO 2631-1, according to the results of the research, regulatory requirements for the level of permissible vibration loads for city, suburban, and intercity buses, as well as a conformity assessment methodology had been defined. The issues of suspension requirements for off-road driving are considered in connection with the formation of the regulatory framework for military equipment as the basis for mobility from the conditions of vibration loads and the separation of requirements to military equipment designs, depending on the scope of use. By analogy with NATO countries, the above requirements are also necessary regarding the suspension, as a determining element of comfort and off-road mobility. This predetermines the development of a separate standard for military equipment. Keywords. smoothness, passenger transportation, highway, off-road driving, vibration loads.
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