An electric assist system (51) according to an embodiment of the present invention includes a crankshaft (57) rotatable by human power of a rider applied to a pedal (55); an electric motor (53) generating assist power assisting the human power of the rider; a control device (70) controlling a magnitude of the assist power to be generated by the electric motor (53); and an acceleration sensor (38) outputting a signal in accordance with an acceleration in a traveling direction of an electric assist vehicle (1). The control device (70) changes the magnitude of the assist power to be generated by the electric motor (53) in accordance with a change in the acceleration that is associated with an operation of the rider rotating the pedal (55).


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    Title :

    ELECTRIC ASSIST SYSTEM AND ELECTRIC ASSIST VEHICLE


    Additional title:

    SYSTEM MIT ELEKTRISCHER UNTERSTÜTZUNG UND FAHRZEUG MIT ELEKTRISCHER UNTERSTÜTZUNG
    SYSTÈME D'ASSISTANCE ÉLECTRIQUE ET VÉHICULE À ASSISTANCE ÉLECTRIQUE


    Contributors:

    Publication date :

    2020-01-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B62J Fahrrad- oder Motorradsättel oder -sitze , CYCLE SADDLES OR SEATS



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