To provide smooth blade angle control by controlling a decrease in blade angle of a variable pitch propeller according to a degree of overloading.SOLUTION: A variable pitch propeller control unit 1 has: an acquisition part 10 which acquires a fuel supply amount to an internal combustion engine 20 of a ship and a state signal indicative of whether the internal combustion engine 20 is in an overloaded state; a calculation part 11 which calculates, when the internal combustion engine 20 is in the overloaded state, a difference between or a ratio of a maximum fuel supply amount, made to correspond to an engine speed of the internal combustion engine 20 in advance and the fuel supply amount; and a control part 12 which controls a decrease in blade angle of a variable pitch propeller according to the difference or ratio calculated by the calculation part 11.SELECTED DRAWING: Figure 1

    【課題】過負荷度に応じて可変ピッチプロペラの翼角の減少を制御することにより、滑らかな翼角制御を実現する。【解決手段】可変ピッチプロペラ制御装置1は、船舶の内燃機関20に供給される燃料供給量と内燃機関20が過負荷状態であるか否かを示す状態信号とを取得する取得部10と、内燃機関20が過負荷状態である場合に内燃機関20の回転数に予め対応付けられている最大燃料供給量と燃料供給量との差分または割合を算出する算出部11と、算出部11によって算出された差分または割合に応じて可変ピッチプロペラの翼角の減少を制御する制御部12とを有する。【選択図】図1


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    Title :

    VARIABLE PITCH PROPELLER CONTROL UNIT, VARIABLE PITCH PROPELLER CONTROL METHOD AND VARIABLE PITCH PROPELLER CONTROL PROGRAM


    Additional title:

    可変ピッチプロペラ制御装置、可変ピッチプロペラ制御方法および可変ピッチプロペラ制御プログラム


    Contributors:

    Publication date :

    2021-02-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING




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