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...

BACKGROUND Nowadays Medical equipment plays an important role in the treatment and in the medical education. Using outdated preventive maintenance (PM) system may cause problems in the cutting edge medical equipment, Nervous system disease's equipment (In diagnosis and treatment) which are crucial for every medical center. Based on above facts we focused on nervous system treat units' equipment...

The paper investigates a model of k-out-of-n system, the residual lifetime which changes after failures any its components. problem Preventive Maintenance (PM) organization as advice to Decision Maker (DM) for such system is considered. purpose this propose mathematical support DM about PM. For most practical applications, it usually possible estimate distribution parameters components with lim...

This paper develops an effective joint production, setup and maintenance control policies in an unreliable one-machine two-products manufacturing system. The main objective is to reach a higher synchronization level of the preventive maintenance (PM) interventions in the planning of production activities. The proposed joint control policy integrates the concept of the opportunistic maintenance ...

Navy has made a huge applying of preventive maintenance that has been recognized as the greatest source of costs. Scheduled overhaul is the most expensive. Revising preventive maintenance and selecting maintenance concepts according to a new algorithm should result into lowering those costs and at the same time maintaining function safety and system readiness. A reversible FMEA analysis coupled...

This study established power-related efficiency measures from the perspective of reliability, namely, power system availability, expected deficiency, accumulated instantaneous capacity, and capacity for a hybrid (HPS) in generic smart grid. Methodologically, supply–demand stochastic model that simultaneously considers inherently nature supply demand was developed to quantify their interrelation...