RESEARCH OF INFLUENCE OF LOCOMOTIVE SERVICE SYSTEM ON THE OPERATION ORGANIZATION OF LOCOMOTIVE DEPOT

Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport Pub Date : 2020-12-10 DOI:10.15802/stp2020/218609

B. Bodnar, О. B. Ochkasov, Y. B. Bodnar, D. Bobyr, M. V. Ocheretniuk

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Abstract

Purpose. The work is aimed to assess the influence of locomotive service systems on the indicators of their use and operation organization of the locomotive depot. Methodology. To achieve this purpose the calculation of operational indicators of locomotives of series 2TE116 and TE33AS in the conditions of locomotive depot is performed. The simulation model of the locomotive repair shop has been improved. Using the methods of the queuing systems theory, simulation modeling of the locomotive repair shop with service and schedule preventive systems for locomotive service was performed. Findings. The program of locomotives repair at schedule preventive and service systems is calculated. Based on the simulation results of the repair shop operation, we compared the influence of operation and repair on the locomotive depot operation for two different approaches to the organization of locomotives maintenance. The simulation model of the locomotive repair shop allows further comparative analysis of the use of different series of locomotives in the depot. The analysis of the results obtained demonstrates that the proposed approach to modeling the maintenance and repair of a diesel locomotive fleet can be improved by determining the reliability indicators when locomotives arrive for scheduled and unscheduled repairs. Originality. We improved the simulation model of the locomotive repair shop, which allows analyzing the influence of operational factors on the system of locomotive repair, in order to select a rational system of the locomotive fleet maintenance. Practical value. The results obtained make it possible to analyze the influence of the operation and repair indicators of locomotives on the operation of the locomotive depot and to determine the feasibility of using the selected traction rolling stock at a given service area. The results obtained indicate that the use of TE33AS diesel locomotives with a service system should reduce the residence time for all types of maintenance and repairs.

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机车服务系统对机务段运营组织的影响研究

目的。本工作旨在评估机车服务系统对机务段机车服务系统使用指标和运行组织指标的影响。方法。为此，对2TE116和TE33AS系列机车在机务段工况下的运行指标进行了计算。对机车维修车间的仿真模型进行了改进。运用排队系统理论的方法，对具有机车维修服务和调度预防系统的机车维修车间进行了仿真建模。发现。对机车在计划、预防和服务系统下的维修方案进行了计算。以修车车间运行仿真结果为基础，比较了两种不同的机车维修组织方式下，运修对机务段运行的影响。机车维修车间的仿真模型可以进一步对不同系列机车在车辆段的使用情况进行对比分析。分析结果表明，通过确定机车定期维修和非定期维修时的可靠性指标，可以改进内燃机车机队维修和维修建模方法。创意。改进了机车维修车间的仿真模型，分析了运行因素对机车维修系统的影响，从而选择了合理的机车机队维修系统。实用价值。所得结果可以分析机车运行和维修指标对机务段运行的影响，确定所选牵引车辆在给定服务区域使用的可行性。研究结果表明，采用配备服务系统的TE33AS内燃机车可以减少各种维护和维修的停留时间。

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Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport

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