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생산현장에서 발생하는 불확실성을 고려한 생산통제기법들의 유용성 분석 : Shop Floor Control 측면을 중심으로
이장한,박진우 한국경영과학회 1993 한국경영과학회 학술대회논문집 Vol.- No.2
In this paper, we investigate the effect of production uncertainty - especially demand fluctuation and activity time variation, to production control policies. First, we examine three famous production control policies, namely, MRP, JIT, OPT, from shop floor control perspective and analyze the difference among them. Based on these, simulation studies are performed to draw out the effects of demand fluctuations which are classified into demand lumpiness and demand irregularity, and, the effects of activity time variations which are classified into standard time variation and non-standard time variation. Experimental investigation shows that, in term of demand fluctuations, MRP is affected by demand lumpiness. but JIT by demand irregularity. And we also see that both MRP and JIT are influenced by standard time variation with respect to activity time variations.