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DEVELOPMENT OF RESISTANCE CRITERIA METHOD FOR SHIP PERFORMANCE EVALUATION BY ONBOARD MONITORING DATA

A collaborative project for evaluation of ship performance in actual seas called “OCTARVIA” was launched in October 2017 with the participation of 25 companies in the Japanese maritime cluster. One research theme of the project is evaluation of ship performance in a calm sea using onboard monitoring data, since performance in a calm sea is the basis for evaluating ship performance in actual seas and for assessing the effects of fouling and aging on ships. In this paper, the authors introduce the Resistance Criteria Method (RCM) for evaluation of ship performance in a calm sea. The method applies the increase rate of resistance from a calm sea for filtering of environmental factors, and also applies the 
apparent slip ratio for reduction of deviations in the filtered data. The effectiveness of RCM is validated by a comparison between onboard monitoring data and performance simulations based on the performance obtained by RCM.