Basic study on evaluation of navigator's mental workload by sticking plaster-type sensor

The evaluation of mental workload using a pysiological index is useful to read the performance of ship bridge teammates: a captain, a duty officer, a helmsman, and a pilot. The physiological indices, heart rate variability (R-R interval), salivary amylase and nitrate, and facial (nasal) temperature, are fine indices for picking up during their ship handling. It usual evaluates for veteran-seafarers on both of simulator and real ship by subjective evaluations; however, we think it is not enough, and need to utilize the numerical values for mental and performance evaluation. This paper proposes that physiological index and body acceleration do well for evaluating navigator's mental workload and performance for real ship and simulator-based ship handling. The result shows the heart rate variability and body accelerations read their mental workload and performance well.

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