نتایج جستجو برای: Imperfect preventive maintenance

تعداد نتایج: 209569  

Journal: :بین المللی مهندسی صنایع و مدیریت تولید 0
robab hatami m.sc. graduate, industrial engineering department, isfahan university of technology ali zeinal hamadani associate professor,industrial engineering department, isfahan university of technology hamid reza karshenas assistant professor, department of electrical and computer engineering, isfahan university of technology mohammad hosein rohani m.sc. graduate, isfahan regional electric company

electric power industry have always try to provide reliable electricity to customers and at the same time decrease system costs. high voltage circuit-breakers are an essential part of the power network. this study has developed a maintenance and replacement scheduling model for high voltage circuit- breakers that minimize maintenance costs while maintaining the acceptable reliability. this mode...

2013
Yan-Chun Chen

 The paper considers an integrated production, inspection, preventive maintenance, and inventory problem and determines the optimal inspection interval, inspection frequency, and production quantity yielding the maximum unit expected profit in an imperfect production process with inspection time and reworking. When the process in an out-of-control state produces a certain percentage of non-con...

Production planning and maintenance are two important problems in manufacturing systems. Despite the relationship exists between these two problems due to sudden failures and production capacity occupied by maintenance activities, each of these problems planned separately and as a result program and model efficiencies reduce in the real world. The aim of integrated production and maintena...

2011
FANGFANG DING Fangfang Ding Zhigang Tian

Currently corrective maintenance and time-based preventive maintenance strategies are widely used in wind power industry. However, few methods are applied to optimize these strategies. This paper aims to develop opportunistic maintenance approaches for an entire wind farm rather than individual components that most of the existing studies deal with. Furthermore, we consider imperfect actions in...

2012
Phuc DO Christophe BERENGUER

This paper presents a condition-based maintenance policy taking into account both maintenance cost and production capacity aspects for single unit deterioratin production system whose condition is periodically monitored. Imperfect preventive maintenance activities, which restore the production system to better states and might not be as good as new, are considered. We assume however that the sy...

Journal: :Rel. Eng. & Sys. Safety 2009
Mike C. Bartholomew-Biggs Ming Jian Zuo Xiaohu Li

This paper deals with the problem of scheduling imperfect preventive maintenance (PM) of some equipment. It uses a model due to Kijima in which each application of PM reduces the equipment's e ective age (but without making it as good as new). The approach presented here involves minimizing a performance function which allows for the costs of minimal repair and eventual system replacement as we...

Journal: :Computers & Industrial Engineering 2005
Hsu-Hua Lee

In this research, a cost/benefit model is developed for supporting investment strategies about inventory and preventive maintenance in an imperfect production system. The effect of such investments on the return is expressed as a function of measurable variables. Using this model, the decision maker can decide whether investments in inventory and preventive maintenance are necessary and how muc...

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