نتایج جستجو برای: equipment genetic algorithm preventive maintenance
تعداد نتایج: 1548443 فیلتر نتایج به سال:
In this research, a new model for cost-oriented assembly line balancing problem has been presented that consists of labour and equipment cost. The approach of this model for these costs is coincided with real condition of assembly lines and yield possibility of using common equipment amoung tasks. The objective function and constrains of this model has been shown by mathematical relations and ...
Maintenance activities mostly depend on the specific conditions of individual equipment, being defined as personalized businesses. In order to improve efficiency maintenance for complex equipment in lots, thinking mass customization is used. After modular technology used generic model, product/service was divided into mandatory and optional modules, which can form multiple service solutions. Co...
Failure of a machine in a manufacturing industry leads to disruption of operations that severely impacts the enterprise in terms of revenue and customer satisfaction. The most prevalent strategy to mitigate the chance of machine failure is to perform preventive maintenance. Optimizing the preventive maintenance schedule is important to minimize operations cost and machine downtime. Further, for...
In this paper, we propose a new method for scheduling of maintenance operations in a manufacturing system using the continuous assessment and prediction of the level of performance degradation of manufacturing equipment, as well as the complex interaction between the production process and maintenance operations. Effects of any maintenance schedule are evaluated through a discrete-event simulat...
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...
Context. Operation costs throughout the life cycle of radio electronic equipment are very significant, which value far exceeds initial cost equipment. Therefore, up-to-date scientific and technical problem is to minimize operation costs. One ways solve this introduction statistical data processing technologies in systems equipment.
 Objective. The goal paper improve efficiency thecondition...
The availability of the machine is one of the most important assumptions on many scheduling problems under any situation. However, in most actual life manufacturing settings a machine can be unavailable for many reasons, such as unforeseen scheduled preventive. In this paper, we study scheduling flowshops problem under ’condition based’ maintenance constraints to minimize the expected makespan ...
In case of leasing, the user rents equipment for a predetermined time. During this period, all maintenance actions are performed by the lessor. In this research paper, the aim consists to determine an optimal maintenance policy for ensuring a minimum reliability, required by the customer. Two strategies are proposed: the first consists to perform preventive actions whenever the system reliabili...
Reliability estimation plays a significant role in the performance assessment of mining equipment, and aids in designing efficient and effective preventive maintenance strategies. Continuous and random/irregular occurrence of failures in a system could be the main cause for performance drop of machinery. The accomplishment of a projected level of production is possible only by an efficient oper...
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 mo...
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