A Study on the Maneuverability of High-Speed Boat

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  • 小型高速艇の操縦性能に関する研究
  • 小型高速艇の操縦性能に関する研究〔含 討論〕
  • コガタ コウソクテイ ノ ソウジュウ セイノウ ニカンスルケンキュウ ガン ト

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Abstract

Recently, small high-speed boats increased cause by popularization of marine leisure. But, their maneuvering characteristics are not studied enough, because of difficulty of measurement of ship's position and velocity. It is needed for estimation of ship motion to measure the ship's position and velocity continuously with high accuracy. New measuring system that use the δ rang (Doppler effect of the GPS signal) of Differential Global Positioning System is developed. The accuracy of position measured by this system is less 1.0m so that maneuverability of high speed boat can be estimated. In the paper, estimation methods of maneuvering characteristics are discussed through the test results of 3 kinds of high speed boat. In order to know the maneuverability of high speed boat, fundamental maneuvering motion test such as speed trial with an extensive variation in engine revolution, turning and zigzag motion test are carried out. The mathematical model eq. (6), (7) proposed by this paper are not only simple, but this model also express the maneuvering characteristics of small high speed boat with high accuracy.

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