Presentation of model for Determination of Optimal Locationof the Parts in Series System in order to Increase System Reliability in Security Nodes of E-Commerce

سال انتشار: 1392
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,417

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تاریخ نمایه سازی: 9 تیر 1392

چکیده مقاله:

One of the greatest challenges of the new competitional engineering is to ensure that the costs of system life cycles become minimized; simultaneously the requirements of the systemaccurate performance in a specific period should be considered. Nowadays, the issue of reliability is particularly important in every security system; because interruptions and stoppage is really dangerous and hazardous for a E-Commerce system from both economicaland humanistic aspects. In this paper, the determination of optimal location for series system parts in security nodes is investigated considering cost and reliability factors. The objective functions are reliability increase and costs reduction which are consisted of locating cost andparts replacement. In this paper we present a model purpose to establish a balance between the reliability in security system and costs. All objective functions of the presented model are in the same direction with reliability increment up to a specific amount with the leastexpenses. The proposed model is a multi-objective one due to the need of optimization. The model has ultimately been changed to a single objective model through the use of goal programming method; and it is evaluated by numerical example using lingo software


Mahdi Karbasian

Department of Industrial Engineering, Malek-e Ashtar University of technology, Isfahan, Iran

Vahide Farezian

Master science of Industrial Engineering, Isfahan, Iran

Saeed Abedi

Master science of Industrial Engineering, Isfahan, Iran.

Roghaie Ramezani

Islamic Azad University, Najaf Abad Branch Isfahan, Iran.

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