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).
ELECTRIC ASSIST SYSTEM AND ELECTRIC ASSIST VEHICLE
SYSTEM MIT ELEKTRISCHER UNTERSTÜTZUNG UND FAHRZEUG MIT ELEKTRISCHER UNTERSTÜTZUNG
SYSTÈME D'ASSISTANCE ÉLECTRIQUE ET VÉHICULE À ASSISTANCE ÉLECTRIQUE
01.01.2020
Patent
Elektronische Ressource
Englisch