Provided is an electric power assist system (51) that generates an appropriate level of assist power while a vehicle is running on a slope. The electric power assist system usable for an electric assist vehicle (1) includes: an electric motor (53) generating assist power to assist human power of a rider of the electric assist vehicle; a control device (170) controlling a magnitude of the assist power to be generated by the electric motor; and an acceleration sensor (38) outputting an acceleration signal representing an acceleration Gx in a travel direction of the electric assist vehicle. The control device acquires speed information representing a running speed of the electric assist vehicle based on an external signal, detects an inclination angle of a road surface based on the speed information and the acceleration signal, and causes the electric motor to generate assist power of a magnitude in accordance with the inclination angle.


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    Titel :

    ELECTRIC ASSIST SYSTEM AND ELECTRIC ASSIST VEHICLE


    Weitere Titelangaben:

    ELEKTRISCHES ASSISTENZSYSTEM UND ELEKTRISCHES ASSISTENZFAHRZEUG
    SYSTÈME D'ASSISTANCE ÉLECTRIQUE ET VÉHICULE D'ASSISTANCE ÉLECTRIQUE


    Beteiligte:

    Erscheinungsdatum :

    26.04.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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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