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Operational Monitoring Concept of the Vehicle Power Supply System

The prerequisites for the electrification of automobiles are the increasing role of systems related to traffic safety (electromechanical parking brake, electric power steering), driver and passenger comfort (multimedia and air conditioning systems), as well as the automation of work processes, the future of which is presented by autonomous vehicles. The performance of the vehicle power supply system is currently indirectly estimated by the level of the output voltage, which does not allow for the recognition of failures at the initial stage of development and the prediction of changes in the technical condition of the system. To assess the performance of the vehicle power supply system, it is proposed to use a comprehensive diagnostic parameter, the value of which depends on the technical condition of the starter battery and the automotive alternator, as well as the operating time and ambient temperature. The operational monitoring structure chart includes an electronic control unit and an indication unit for outputting information to the vehicle instrument panel or transmitting it directly to the trucking company via GSM communication. The economic feasibility of implementing operational monitoring of the vehicle’s power supply system has been confirmed.