Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines

This paper presents the model for the identification of reference points on the lifetime curve of engineering systems. This curve commonly represents the increase and decline of failure in relation to time. A direct correlation between failure rate and costs is assumed in this paper, therefore, stat...

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Main Authors: Ugljesa Bugaric, Milos Tanasijevic, Stevan Djenadic, Dragan Ignjatovic, Ivan Jankovic
Format: Article
Language:English
Published: MDPI AG 2022-10-01
Series:Machines
Subjects:
Online Access:https://www.mdpi.com/2075-1702/10/11/995
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author Ugljesa Bugaric
Milos Tanasijevic
Stevan Djenadic
Dragan Ignjatovic
Ivan Jankovic
author_facet Ugljesa Bugaric
Milos Tanasijevic
Stevan Djenadic
Dragan Ignjatovic
Ivan Jankovic
author_sort Ugljesa Bugaric
collection DOAJ
description This paper presents the model for the identification of reference points on the lifetime curve of engineering systems. This curve commonly represents the increase and decline of failure in relation to time. A direct correlation between failure rate and costs is assumed in this paper, therefore, statistical and empirical analysis of costs provided reference points. This approach is used for positioning stages of the engineering system’s lifetime with a minimal number of failures and costs, regardless of whether these are acceptable or not. The following three stages are usually identified: the beginning, the stationary part and the end of life. The boundaries between them are recognized on the basis of minimum total lifetime costs and on economic lifetime costs. Model is tested on the dozers, machines frequently used in the mining industry for the earthmoving operations, and which are characterized by high operating and maintenance costs.
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spelling doaj.art-36fd96aa821644dda804c0ce9b7197b02023-11-24T05:32:40ZengMDPI AGMachines2075-17022022-10-01101199510.3390/machines10110995Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving MachinesUgljesa Bugaric0Milos Tanasijevic1Stevan Djenadic2Dragan Ignjatovic3Ivan Jankovic4Faculty of Mechanical Engineering, University of Belgrade, 11120 Belgrade, SerbiaFaculty of Mining and Geology, University of Belgrade, 11120 Belgrade, SerbiaFaculty of Mining and Geology, University of Belgrade, 11120 Belgrade, SerbiaFaculty of Mining and Geology, University of Belgrade, 11120 Belgrade, SerbiaFaculty of Mining and Geology, University of Belgrade, 11120 Belgrade, SerbiaThis paper presents the model for the identification of reference points on the lifetime curve of engineering systems. This curve commonly represents the increase and decline of failure in relation to time. A direct correlation between failure rate and costs is assumed in this paper, therefore, statistical and empirical analysis of costs provided reference points. This approach is used for positioning stages of the engineering system’s lifetime with a minimal number of failures and costs, regardless of whether these are acceptable or not. The following three stages are usually identified: the beginning, the stationary part and the end of life. The boundaries between them are recognized on the basis of minimum total lifetime costs and on economic lifetime costs. Model is tested on the dozers, machines frequently used in the mining industry for the earthmoving operations, and which are characterized by high operating and maintenance costs.https://www.mdpi.com/2075-1702/10/11/995lifetime curvefailurescostsdozer
spellingShingle Ugljesa Bugaric
Milos Tanasijevic
Stevan Djenadic
Dragan Ignjatovic
Ivan Jankovic
Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
Machines
lifetime curve
failures
costs
dozer
title Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
title_full Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
title_fullStr Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
title_full_unstemmed Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
title_short Development of the Cost-Based Model for Monitoring the Lifetime of the Earth Moving Machines
title_sort development of the cost based model for monitoring the lifetime of the earth moving machines
topic lifetime curve
failures
costs
dozer
url https://www.mdpi.com/2075-1702/10/11/995
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AT draganignjatovic developmentofthecostbasedmodelformonitoringthelifetimeoftheearthmovingmachines
AT ivanjankovic developmentofthecostbasedmodelformonitoringthelifetimeoftheearthmovingmachines