Nowadays, mobile power vehicles (MPV) equipped with ultra-low pressure tires are widely used in agriculture when conducting field work in the early spring. For these power vehicles the funda-mentally new wide-profile tires with low load capacity were developed. Its features are ultra-low intra-tire pressure (10-80 kPa), increased profile width, low ply rating (2-4), high elasticity and soil-covering tread, which in turn provide the necessary traction qualities. Due to the high elasticity of these tires and the relative radial deflection (up to 25 %), the contact area of the tire with the soil increases and the specific pressure decreases. It was determined that due to the cost parameters, a wide range of ultra-low pressure tires, as well as specific features of the tests, they remain insuffi-ciently studied at the moment. In this regard, authors conducted bench tests and determined the basic and traction characteristics of the ultra-low pressure tire with a dimension of 1020×420-18 of Bel-79 model. The equations for the dependence of tire performance on various factors were de-rived. It was found out that when driving on a concrete supporting base, the traction properties of the tire improve with the increase of the internal pressure of the tire and the load on the wheel, but when driving on the field prepared for sowing, the improvement of support-coupling indicators is observed with a decrease of the internal pressure of the tire and the load on a wheel. It was noted that the results of the tests can be used as reliable initial data for the development of mathematical models of the movement of various mobile power vehicles equipped with ultra-low pressure tires.

The development of robotic and unmanned mobile energy facilities (MEF) is a priority for the development of agricultural production worldwide. In order for the MEF to become unmanned, it must be equipped with an automatic control system that allows you to control the MEF without human intervention. To develop algorithms for the control action and reactions of the control system, as well as to identify and eliminate its incorrect operation, it is necessary to create specialized stationary stands. The stands should simulate the real working conditions of unmanned MEF with maximum accuracy. This article presents the concept of creating a simulation stand for testing the control system of an unmanned combine harvester, which allows you to analyze the operation of the control system in conditions as close as possible to real ones. A functional diagram of the stand and hydraulic circuits of individual simulation units are presented, which should become the basis for the development of the stand design as a whole.

Based on CO2 pollution problem in order to performance speed traction characteristics for further robotic of mobile energy-related vehicle analyze of conversion agricultural machinery to electric and electromechanical transmission. Explores options for receive clear energy from renewable energy.

To assess the effectiveness of the robotization of mobile energy means (RMES), it is necessary to consider many quality criteria and functional limitations that characterize the work of RMES (operational, economic, functional, etc.). The formation of quality criteria allows us to justify the effectiveness of the robotization of MES, the improvement of the multi-criteria optimization apparatus and the software package for performing optimization calculations considering the aspect of robotization of mobile power facilities for agricultural purposes in crop production. However, unfortunately, most of the quality criteria cannot be formalized, that is, it is not always possible to establish mathematical dependencies of these quality criteria on variable parameters. In this regard, the purpose of these studies is to solve the problem of assessing the weight of each quality criterion and functional limitations, including using expert methods

This article focuses on the conditions for the safe operation of low-tonnage road trains (hereinafter LTRT) with trailers which are platforms with load capacities up to 3 tons that transport agricultural machines, mini-plants, and other equipment as well as tourist cabins. There are numerous risks in transporting such trailers that can occur due to a small turning radius or emergency braking. To assess the results of the research and experiments on the safe operation of LTRT with trailers, we used the works of the following scholars: Godjaev, Izmaylov, Komarov, Korolyash, Volchkov, Maloletov. As a result, we developed and tested a mechanical flexible coupling device under the leadership of the “Federal Scientific Agroengineering Center VIM” and the Volgograd State Technical University’s Department of Road Transport. Certificate No 2018137360, 22.10.2018. Further research can help define critical indicators for the safe operation of LTRT with load capacities up to 3.5 tons, so calculate the speed limit at critical turns, emergency braking, and reversing.