Abstract
The DEMO remote maintenance system (RMS) will have a significant role in keeping the power plant operational, and therefore, would have a large impact on its economic feasibility. The identification of impending mechanical failures of the RMS equipment during active maintenance operations is crucial if unscheduled and or unplanned recovery and rescue operations are to be avoided. The purpose of this research is to provide cost-benefit analysis and assessment of the effectiveness of the condition monitoring system (CMS) at reducing costs as well as improving the reliability of DEMO RMS. The research is also steering the CMS design requirements from a performance perspective. It is focused on the blanket transporter (BT), which is a critical component for conducting maintenance operations on DEMO. The results show that the CMS repayment could happen after 1 maintenance mission period and describe the other major benefits that are not easily quantifiable into common metric. The main assumption for this research is that by increasing the detection of a failure mode, the likelihood of the failure mode happening will decrease, and hence it will result in savings in availability and downtime.
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