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Research on the Application of Reliability Centered Mainteance in Decision Support System of Marine Eequipment

Author: WangYang
Tutor: ZhongJunJie
School: Wuhan University of Technology
Course: Marine Engineering
Keywords: RCM AHP FMEA Maintenance strategy Condition Based Maintenance
CLC: U672.71
Type: Master's thesis
Year: 2009
Downloads: 202
Quote: 8
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Abstract


At present, time-based maintenance is used in China’s Marine equipment maintenance, and which based on the fixed period of maintenance mode have made considerable contribution for the normal operation of equipment. However, with the increasing of marine equipment structure complication, regular maintenance can’t meet the requirement of the new situation. The reason is the failure rate in many parts of the curve does not comply with "bathtub curve", parts more failures occur, The higher the probability of failure occurred. In fact, regular repair may introduce the initial high failure rate into the system, thereby increasing the total failure rate of the system; time-based maintenance is bound to lead to some good running equipment cyclical outage, a result of maintenance work focuses on one phase, not conducive to raising the quality of maintenance.With the development of society and the market changes, such a maintenance mode has been very difficult to meet the requirements of Marine equipment maintenance. In view of our current technical and economic business conditions, RCM (reliability-centered maintenance) is a good choice. This method is based on equipment failure modes and effects of effects of systematic analysis which application of the logical decisions to determine the content of preventive maintenance equipment.(1) Demonstrate the feasibility and effectiveness of the application of RCM in the marine’s equipment, According to RCM implementation process culminated in the reliability-centered maintenance program for marine equipment, which guide future maintenance of the ship.(2) Using the Analytic Hierarchy Process to feedback and validate the results of RCM logical decision, so as to make the formulation of preventative maintenance outline more scientific and effective.(3) Development of Reliability Centered Maintenance in Maintenance Decision Support System of Marine Eequipment, This system includes the basic information management of equipment, RCM analysis processes and spare parts statistical management.Through RCM analysis of ship equipment, compared with existing maintenance system, the reliability-centered maintenance system can ensure the inherent reliability and security of equipment with minimal resource consumption. Based on existing level and condition of ship repair, it may be difficult to fully implement reliability-centered maintenance theory, but some important ship equipments have been in state monitoring, This pave the way for the use of the area. With the development of technology and maturation of monitoring means, the reliability- centered maintenance theory will be fully promoted and used in the field of ship.

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