Study of product layout efficiency with the minimum of one heterogeneous triple station in comparison to homogeneous model

  • سال انتشار: 1392
  • محل انتشار: دومین همایش ملی علوم مدیریت نوین
  • کد COI اختصاصی: CMMS02_100
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 1364
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نویسندگان

Iman Ghasemi Delarestaghi

Master of Industrial Management of Islamic Azad University Firuzkooh Branch

Maryam Banagar

Master of Social and economic statistics from Allame Tabataba’ee University

Zohre Esmaielzade

Master of Technology Management from Allame Tabataba’ee University

چکیده

Sometimes, at product layout because of WIPs’ accumulation at one or more stations of that production line, there will be bottleneck that decrease operation productivity and manufacturing speed. Multiple station establishing is one of those actions that is done to prevent bottleneck creating and omitting it. In this paper, two homogeneous and heterogeneous triple station have been analyzed. At homogeneous triple station, three homogeneous machines with equal service rates and at heterogeneous triple station, three machines with different service rates, work. In this paper, by presenting an example and using queuing theory and MATHEMATICA 8 software, we computed and analyzed the probability of various WIPs’ quantities for each machine in eight types. And in these two modeles, we compared the probabilitiesˈ amount of machines between busy period and idle period and we achieved some results. In this paper, efficiency comparison of these two models by using queuing theory is our main goal. thus in regard to WIPs’ average number and wait time average, we can conclude that for fixed arrival rate and equal service rate, heterogeneous triple station because of WIPs’ fewer average number and lower wait time average, is more efficient than homogeneous triple station.

کلیدواژه ها

Queue، Multiple station، homogeneous triple station، heterogeneous triple station، WIP

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