| 摘要 |
PURPOSE: An electric assistance bicycle is provided to control a drive motor depending on a signal outputted from a vibration sensor. CONSTITUTION: An electric assistance bicycle comprises a frame, a pedaling power sensor(30), a drive motor(50), a battery(70), a controller(130), and a vibration sensor(150). The pedaling power sensor senses the power of pedals. The drive motor rotates a front wheel or a rear wheel. The battery stores electric energy supplied to the drive motor. The controller controls the drive motor depending on a signal outputted from the pedaling power sensor. The vibration sensor senses vibration occurred in the frame. |
