نوع مقاله : مقاله پژوهشی

نویسندگان

گروه مهندسی صنایع، دانشکده مهندسی، دانشگاه کردستان، سنندج، کردستان، ایران.

چکیده

در این مقاله، سیستم‌های تولیدی چند‌مرحله‌ای با در نظر گرفتن سیاست سفارش‌دهی POQ، مدت زمان تدارک احتمالی و تقاضای وابسته به قیمت، مورد بررسی قرار گرفته است. فرض می‌شود که مدت زمان تدارک در هر مرحله از تولید، احتمالی بوده و دارای توزیع مشخصی است. در حین تولید در هر مرحله ممکن است قطعه تولیدی در آن مرحله در مدت زمان بیشتر از آنچه که در نظر گرفته شده تولید شود و باعث تاخیر در تولید در آن مرحله شویم؛ به همین علت ممکن است در تحویل محصول نهایی به مشتری دچار تاخیر (کمبود) شویم . در این حالت فرض شده است درصدی از کمبود حالت، پس‌افت بوده و درصد باقی مانده نیز، فروش از‌دست‌رفته خواهد شد. هدف از ارائه این مقاله تعیین قیمت فروش بهینه، تعیین مقدار بهینه مدت زمان تدارک و فاصله زمانی بین سفارشات بر اساس سیاست سفارش‌دهی POQ  و کمبود جزئی است به طوری که سود کل سیستم حداکثر گردد.




کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Pricing and determining the optimal policy in multi-stage production systems with stochastic lead time, variable demand, partial backordering and failure rate

نویسندگان [English]

  • Heibatolah Sadeghi
  • Anwar Mahmoodi

Department of Industrial Engineering, Faculty of Engineering, University of Kurdistan, Iran.

چکیده [English]

This paper considers multi-period serial production systems with Periodic order quantity (POQ) policy, lead-time uncertainties and demand dependent on the price. It is assumed that actual lead-time for each stage is probabilistic with known distribution and ordering system is multi-period. During the production at each stage, the items may be produced in a longer time than it was scheduled, causing a delay in production at this stage and this may result in backorders of the finished product. It is assumed in this case that a fixed percentage of the shortage is backlogged and other sales are lost. The objective of this paper is to find the pricing of the unit product, planned lead-time and periodicity with quantity (POQ) policy in order to maximize the total system profit.

کلیدواژه‌ها [English]

  • pricing
  • probabilistic lead time
  • variable demand
  • partial backordering
  • serial production systems
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