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Optimal preventive maintenance planning for multiple elevators

Hajime Yamashina, Shunsuke Otani

Journal of Quality in Maintenance Engineering

ISSN: 1355-2511

Article publication date: 1 June 2001

1434

Abstract

The purpose of this paper is to properly plan the preventive maintenance schedule for multiple elevators and optimize the number of maintenance workers.The total amount of the maintenance cost consisting of the labor cost, the part cost, and the quality cost (the loss evaluated in terms of cost, to be incurred when an elevator breaks down) is to be minimized.The method is presented of setting up the optimal preventive maintenance schedule on a long‐term basis by rescheduling the contents of schedule dynamically and flexibly in accordance with the ever‐changing maintenance conditions, taking the possibility of the future occurrence of failure into consideration. From numerical experiments, the validity of the proposal procedure for planning the preventive maintenance schedule and the effectiveness of considering the possibility of the future occurrence of failure in planning the schedule are shown, and the optimal number of maintenance workers can be decided.

Keywords

Citation

Yamashina, H. and Otani, S. (2001), "Optimal preventive maintenance planning for multiple elevators", Journal of Quality in Maintenance Engineering, Vol. 7 No. 2, pp. 128-150. https://doi.org/10.1108/13552510110397430

Publisher

:

MCB UP Ltd

Copyright © 2001, MCB UP Limited

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