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AHP, COPRAS ve Tamsayılı Programlama Entegrasyonu ile Demiryolu Araçlarında Bakım Planlaması
2020
Journal:  
Demiryolu Mühendisliği
Author:  
Abstract:

Lojistik sektöründe Demiryolu taşımacılığının güvenli, kesintisiz ve verimli olarak sağlanması, müşteri beklentilerinin zamanında ve tam olarak karşılanması amacıyla araç bakımlarının zamanında yaptırılması, hazır bulunurluklarının sağlanması şarttır. Bakım faaliyetleri genel olarak maliyetli ve kısıtlı kaynaklar altında yapılan işlemlerden oluşmaktadır. İşletmelerin bakım ihtiyaçlarının tam olarak karşılanması ancak sistematik ve etkin bakım planlama modellerinin kullanılması ile mümkün olmaktadır. Demiryolu araçlarının üretim ve bakım maliyetlerinin düşünüldüğünden çok daha yüksek olması, araçların kullanım ömürlerinin 70-80 yıla kadar uzaması, olası kazaların sonuçlarının düşünülenden daha çok zararlar vermesi demiryolu araçlarının bakımının önemini ortaya çıkarmaktadır. Tüm bunların yanı sıra demiryolu işletmelerinin de bakım konusundaki tutumlarını etkileyen birçok unsur bulunmaktadır. İşletme politikası, bütçe kısıtları, kısa ve orta vadeli taşıma planları, müşteri beklentileri bu unsurların başında gelmektedir. Tüm bu sorunlar ve kısıtlar altında, bir demiryolu tren işletmecisinin bakım optimizasyonu için sahip olduğu yük vagonlarının kritiklik seviyeleri AHP-COPRAS kombinasyonu ile belirlenmiş ve bu vagonlar için bir yıllık bakım planı tam sayılı programlama modeli ile elde edilmiştir. Bu birlikteliğin oluşturduğu çözüm sayesinde işletmenin taşıma faaliyetlerini minimum düzeyde etkileyecek bir yıllık revizyon bakım planı oluşturulmuştur.

Keywords:

AHP, COPRAS and Total Programming Integration with Railway Vehicle Maintenance Planning
2020
Author:  
Abstract:

In the logistics sector, it is necessary to ensure that the rail transportation is safe, uninterrupted and efficient, to carry out timely maintenance of vehicles in order to meet customer expectations in a timely and complete manner, to ensure that they are ready. The maintenance activities are generally made up of expensive and limited resources. It is possible to fully meet’s maintenance needs only with the use of systematic and effective maintenance planning models. The fact that the production and maintenance costs of rail vehicles are much higher than expected, the extension of the life of the vehicles to 70-80 years, the consequences of possible accidents cause more damage than expected, demonstrates the importance of the maintenance of rail vehicles. In addition to all of this, there are many elements that influence the attitudes of the railway enterprises in terms of maintenance. Business policy, budget limits, short and medium-term transport plans, customer expectations are at the forefront of these elements. Under all these problems and limitations, the critical levels of cargo wagons that a railway operator has for maintenance optimization are determined by the AHP-COPRAS combination and the one-year maintenance plan for these wagons is achieved with a full number of programming models. Thanks to the solution created by this association, a one-year revision maintenance plan has been created to have a minimum impact on the transportation activities of the enterprise.

Keywords:

Maintenance Planning Of Railway Vehicles With Ahp, Copras and Integer Programming Integration
2020
Author:  
Abstract:

In the logistics sector, maintenance of vehicles on time and ensuring their availability are essential to ensure safe, uninterrupted and efficient rail transport and to meet customer expectations in a timely and complete manner. Maintenance activities generally consist of costly and limited resources. It is only possible to meet the maintenance needs of the enterprises by using systematic and effective maintenance planning models. The production and maintenance costs of railway vehicles are higher than they are considered, the service life of the vehicles goes up to 70-80 years, and the possible accident results can be very hazardous, which shows the importance of maintenance of railway vehicles. In addition to these, there are many factors that affect the attitude of the railway enterprises on maintenance. Business policy, budget constraints, short- and medium-term transport plans and customer expectations are the most important factors. Under all these problems and constraints, the critical level of freight wagons owned by a railway train operator for maintenance optimization has been determined with the AHP-COPRAS combination and a one-year maintenance plan for these wagons has been obtained with an integer programming model. Thanks to the solution created by this cooperation, an annual revision maintenance plan has been created to minimize the transportation activities of the enterprise.

Keywords:

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Demiryolu Mühendisliği

Field :   Mühendislik

Journal Type :   Uluslararası

Metrics
Article : 237
Cite : 477
2023 Impact : 0.906
Demiryolu Mühendisliği