© Dmytro Matviichuk, Postgraduate,
ORCID: 0009-0007-4116-2937,
e-mail: ndirir95@gmail.com
(Vinnytsia National Technical University)
IMPACT OF IMPROVED OPERATIONAL RELIABILITY OF DIESEL
ENGINES ON THE EFFICIENCY OF TRANSPORT PROCESSES
DOI:10.33868/0365-8392-2025-3-284-45-51
Abstract. This article explores the impact of enhanced operational reliability of diesel engines on the efficiency of motor transport enterprises (MTE). A statistical analysis of fleet downtime caused by engine failures is conducted, and various diagnostic methods are assessed, with a focus on the potential of vibroacoustic diagnostics. The economic benefits of implementing condition-based maintenance (CBM) are highlighted, particularly the reduction in repair costs and the improvement in labor productivity.
The study demonstrates, using modern practices and open-source statistical data, that the implementation of monitoring systems equipped with diagnostic tools – especially vibroacoustic sensors – significantly reduces vehicle downtime and improves fleet reliability. Recommendations are provided for organizing dynamic monitoring of the technical condition of transport vehicles, based on the integration of vibroacoustic diagnostic equipment and digital information processing systems, enabling real-time condition assessment.
The relevance of this study is supported by the analysis of vehicle fleets in Ukraine and abroad, confirming that diesel engines are the primary power units used in commercial transport. It is also shown that a considerable share of fleet downtime is related to powertrain failures. Systematic diagnostics, including vibroacoustic monitoring, facilitate early fault detection, remaining service life forecasting, and a reduction in critical failures. The proposed organizational approaches can be applied to optimize maintenance schedules and reduce operating costs across the vehicle fleet.
Keywords: diesel engine, operational reliability, downtime, diagnostics, vibroacoustic monitoring, CBM, motor transport enterprise.
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