01663290

Component

A well-maintained system is crucial to safe and efficient railway operation. Among all maintenance tasks, that related to the catenary system is important because of the growing construction of high-speed rails and the electrification of conventional rails in contemporary transportation. The nature of nonredundancy in a catenary system is the reason for the expenditure on catenary maintenance that often leads to a high proportion of maintenance expenditure. Therefore, proper allocation of resources in catenary maintenance according to reliability and cost is an important task in the planning process. Past research on catenary maintenance planning considers only the variation in maintenance intervals in preventive maintenance policy. The authors' study develops a rolling-horizon optimization process to implement predictive maintenance scheme for the annual maintenance planning problem. Results from the case study demonstrate that the developed process can successfully identify appropriate maintenance tasks and then assign them into the annual maintenance plan. The resulting maintenance plan based on predictive maintenance can possibly reduce the total cost over 6% compared to the preventive maintenance plan. Adopting this developed process can assist planners to identify the appropriate maintenance activities, determine the annual maintenance plan, and ensure the required reliability simultaneously.

This paper was sponsored by TRB committee AR055 Standing Committee on Rail Transit Infrastructure.

18-01315

English

16p

2018

Transportation Research Board 97th Annual Meeting

Digital/other

Figures; References; Tables

Catenaries (Railroads); Maintenance of way; Optimization; Railroad transportation

Rolling horizon

Maintenance and Preservation; Railroads

Transportation Research Board Annual Meeting 2018 Paper #18-01315

TRIS, TRB, ATRI

Jan 8 2018 10:20AM