재공품 재고를 고려한 제조 시스템에서의 재고 관리 모델 연구
A Study of Inventory Models for Imperfect Manufacturing Setup Considering Work-in-Process Inventory
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초록
Optimum lot size calculation for real world manufacturing environment has been focused since last few decades. Several extensionshave been made to the basic economic order and production order quantity models to realize the possible practicalsituations in industry. However, focus on work-in-process inventory has been ignored relatively. This paper provides a comprehensivereview of the models developed for group technology based manufacturing environment focusing on work-in-process inventory. Models have been extended from a perfect manufacturing conditions to an imperfect manufacturing situation considering rework,rejection and inspection. Optimum lot size has been evaluated using a simple algebraic optimization approach. Significant parametersare highlighted using sensitivity analysis for the developed models. Numerical example is used to illustrate the utilization ofsuch models in day-to-day production setups and the impact of significant factors’ variation on total cost and optimum lot size.
Abstract
Optimum lot size calculation for real world manufacturing environment has been focused since last few decades. Several extensionshave been made to the basic economic order and production order quantity models to realize the possible practicalsituations in industry. However, focus on work-in-process inventory has been ignored relatively. This paper provides a comprehensivereview of the models developed for group technology based manufacturing environment focusing on work-in-process inventory. Models have been extended from a perfect manufacturing conditions to an imperfect manufacturing situation considering rework,rejection and inspection. Optimum lot size has been evaluated using a simple algebraic optimization approach. Significant parametersare highlighted using sensitivity analysis for the developed models. Numerical example is used to illustrate the utilization ofsuch models in day-to-day production setups and the impact of significant factors’ variation on total cost and optimum lot size.
참고문헌 (28)
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