To avoid an overheat of a switching element by a simple technique with a motor-driven motor truck as an object.SOLUTION: An overheat of a switching element is liable to occur when a rotation number of a motor is zero. When the rotation number is zero, a current value is defined so as to be monotonically increased with respect to an increase of a pedal-in amount of an accelerator pedal when the pedal-in amount is within a range of zero% up to a prescribed amount P2. When the pedal-in amount is within a range of the prescribed amount P2 up to 100%, the current value is stabilized at a limit value Ith irrespective of the pedal-in amount.SELECTED DRAWING: Figure 5

    【課題】モータ駆動の貨物自動車を対象に、簡易な手法でスイッチング素子の過熱を回避すること。【解決手段】スイッチング素子の過熱は、モータの回転数がゼロである場合に発生しやすい。回転数がゼロの場合、踏み込み量がゼロ%から所定量P2までは、アクセルペダルの踏み込み量の増大に対し、電流値が単調増加するように定められている。踏み込み量が所定量P2から100%までは、踏み込み量に関わらず、電流値は制限値Ithで一定である。【選択図】図5


    Access

    Download


    Export, share and cite



    Title :

    MOTOR TRUCK


    Additional title:

    貨物自動車


    Contributors:

    Publication date :

    2019-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern



    MOTOR TRUCK MODIFICATION METHOD, AND MOTOR TRUCK

    HOGI HIDETAKA | European Patent Office | 2022

    Free access

    MOTOR TRUCK

    YAMADA HARUTAKA / SUEWAKA HISASHI / AOYAMA KIMIO | European Patent Office | 2018

    Free access

    MOTOR-TRUCK

    KIMURA KAZUFUMI / YAMADA HARUTAKA | European Patent Office | 2017

    Free access

    MOTOR TRUCK

    NADA MITSUHIRO | European Patent Office | 2019

    Free access

    MOTOR TRUCK

    YAMADA HARUTAKA / SEKINE MASAHIRO / KIMURA KAZUFUMI | European Patent Office | 2018

    Free access