نتایج جستجو برای: production quantity

تعداد نتایج: 677509  

2015
Li Felix T.S. Chan S. H. Chung Allen H. Tai

The proposed study considers both product deterioration and production process deterioration in a traditional Economical Production Quantity model. In this model, backlog and rework process are also taken into consideration while the production process is assumed to be imperfect. Unserviceable products will be manufactured as a result. Unserviceable products are kept in storage until the end of...

2011
Dvora G. Eitan

This study addresses the problem of "faking bad" (malingering) of abnormal types (non paranoid schizophrenia, paranoid schizophrenia, and psychopathy) when answering the EPQ-R-S personality questionnaire and clinical scales. We tested 180 students under two conditions: “fake bad” and “sincerity”. We demonstrated that although answers to EPQ-R-S may be deliberately and specifically modified, thi...

2015
Wen-Ying Wang

This paper extends an integrated model of economic production quantity (EPQ) and preventive maintenance (PM) to incorporate possibilities of minimal repair and rework. Our model determines simultaneously the optimal number of inspections, the inspection interval, the EPQ, and the PM level. Numerical examples of Weibull shock models are given to show that allowing minimal repair and rework will ...

2015
Mohamed Ben-Daya

This paper deals with an integrated model for the joint determination of economic production quantity and preventive maintenance (PM) level for an imperfect process having a general deterioration distribution with increasing hazard rate. The effect of PM activities on the deterioration pattern of the process is modeled using the imperfect maintenance concept. It is assumed that, after each PM, ...

2010
Maw-Liann Shyu Kuang-Hua Hsu Yu-Cheng Tu Yung-Fu Huang

Huang [Mathematical Problems in Engineering, 2006, ID 79028, 1-5] studied the effect of service level constraint on the economic production quantity (EPQ) model with random defective rate. He offered an algebraic approach to replace his differential calculus skill to find the optimal solution under the expected annual cost minimized. In this article, we want to use an easy and simple arithmetic...

Journal: :IMA Journal of Management Mathematics 2013

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 1988

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