THE CONTACTLESS DIAGNOSTICS TO DETERMINE THE TECHNICAL CONDITION OF INTERNAL COMBUSTION ENGINES OF HIGH-ENERGY AGRICULTURAL MACHINERY

Abstract

he paper revealed the possibilities of using contactless diagnostics to obtain digital data obtained over the local network of tractor CAN bus controllers. (Research purpose) The research purpose is analyzing of the nomenclature of indicators of the operational and technical characteristics of the internal combustion engine of tractor equipment and creating modern technologies for diagnostics and control of the technical condition of tractor equipment. (Materials and methods) It was noted that the diagnosis of energy-saturated agricultural machinery (tractors, combines), carried out using external and built-in controls, allows you to determine the technical condition of internal combustion engines without disassembly, predict the service life of their parts, actually manage the technical condition of the engine of the machine. It has been shown that the engineering service of the agro-industrial complex pays great attention to technical diagnostics related to the prevention of failures of the most important components and aggregates of energy-saturated agricultural machinery. It was determined that the performance of these operations has a positive effect on the timing of agricultural work, obtaining an additional volume of agricultural products. For each diagnosed machine (tractor), normative indicators of serviceability (operability) during operation, maintenance and repair must be established. (Results and discussion) It was revealed that the use of contactless diagnostics provides timely detection and elimination of significant malfunctions in the power or ignition systems of engines, transmission units or chassis, improves fuel and economic indicators by 5-10 percent, engine power by 2-3 times, improves environmental performance, increases the safety of machine operation. (Conclusions) In the course of the conducted research, the functionality of diagnostic devices with advanced information collection capabilities – a universal USB CAN bus adapter-was determined.