Importance

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Abstract

A ship propulsion performance predicting apparatus includes: a theoretical propulsion performance computing unit computing theoretical propulsion performance for a desired navigation condition using a physical model of a propulsion system of a target ship; and a corrector correcting the theoretical propulsion performance using the smooth water correction term and the disturbance correction term stored in a correction term database. The smooth water correction term and the disturbance correction term stored in the correction term database are derived by a correction term deriver from operation experience data. The correction term deriver includes: a smooth water correction term deriver deriving the smooth water correction term using the operation experience data and the like under a smooth water condition; and a disturbance correction term deriver using the operation experience data items and the like corresponding to the respective disturbance conditions to compute the disturbance correction term corresponding to the disturbance condition.

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First Claim