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Object Oriented Analysis and Design (OOAD) has been an efficient software engineering approach to model system as group of interacting objects. This approach is used to model Distributed digital control system (DDCS) of power plant in this paper. Complex system modeled in simple Model driven architecture can provide effective theoretical approach for Failure mode and effect analysis (FMEA). FMEA being a tedious process as it demands detailed and systematic examination of the operation of all aspect of the design, appropriate OOAD approach will be effective in concept and preliminary system design phase for FMEA analysis. In this paper we tried to analyze FMEA for network design for Prototype fast breeder reactor (PFBR) DDCS and examine how Object Oriented (00) approach can help us in finding common causes of failure via FMEA worksheet. Corrective generic actions for common faults can be incorporated in design than can be further ease in actual implementation of design model. This design is open ended and hence can be extended to be implemented in other design model other than nuclear power plant. The paper present OODDCS reference model that is further analyze for FMEA and further enhance for better reliability.
Date of Conference: 14-16 Dec. 2010