ELECTRICALLY ASSISTED BICYCLE

摘要

An electrically assisted bicycle includes a crank shaft, pedals, an electric motor, a pedal effort sensor that detects a pedal effort exerted on the pedals, a propelling detection sensor that detects that the electrically assisted bicycle is starting to be propelled, and a controller that executes a first control in which a command value provided to the electric motor is obtained based on the output of the pedal effort sensor and a second control in which a command value provided to the electric motor is obtained based on the output of the pedal effort sensor and the output of the propelling detection sensor. The controller is configured or programmed to select the first control or the second control as a calculation method of a command value provided to the electric motor during a period of time from a state in which the electrically assisted bicycle is stopped until a detection of the rotation of the crank shaft.

主权项

1. An electrically assisted bicycle comprising:
a crank shaft; pedals that rotate the crank shaft; an electric motor that assists a pedal effort exerted on the pedals by a rider; a pedal effort sensor that detects the pedal effort exerted on the pedals by the rider; a propelling detection sensor that detects a start of propelling of the electrically assisted bicycle; and a controller configured or programmed to execute a first control to obtain a command value provided to the electric motor based on an output of the pedal effort sensor and a second control to obtain a command value provided to the electric motor based on an output of the pedal effort sensor and an output of the propelling detection sensor; wherein the controller selects the first control or the second control as a calculation method of a command value issued to the electric motor for a period of time from a state in which the electrically assisted bicycle is stopped until a detection of the rotation of the crank shaft.