Patent ID: 8886376
Filing Date: 2014-11-11
Classification: B62M

Abstract:
1. A control apparatus for a motor-assisted bicycle, the control apparatus comprising: a pedaling force sensor configured to detect a pedaling torque applied to a crankshaft; and a controller configured to control a motor unit of the motor-assisted bicycle in a regenerative control process to charge a battery, if the torque value of the detected pedaling torque is equal to or smaller than a predetermined level, and to control the motor unit in an assistive control process, if said torque value is greater than said predetermined level, wherein said control apparatus, in response to a case that a peak value of the torque value is equal to or smaller than said predetermined level, performs an assistive transient control process with an assistive ratio lower than in said assistive control process for a predetermined number of revolutions of the crankshaft, and performs the regenerative control process after the predetermined number of revolutions of the crankshaft if the peak value of the torque value is still equal to or smaller than said predetermined level, and wherein said control apparatus varies said predetermined level depending on the state of charge of the battery.