UNDERWATER VEHICLE

摘要

PROBLEM TO BE SOLVED: To provide an underwater vehicle capable of reacting quickly to sudden geography variation.SOLUTION: The underwater vehicle comprises plural distance sensors and a height estimation part. The plural distance sensors estimate distance between the vehicle body and a water bottom about each of plural directions having different angles of depression respectively to a horizontal direction. The height estimation part estimates the height of the vehicle body from the water bottom on each position among plural front positions based on the measured distance and angles of depression to each of plural directions.