MICROSPACE CORPORATION Patent applications |
Patent application number | Title | Published |
20160121963 | MOTOR DRIVING CONTROL APPARATUS - This motor driving control apparatus includes (A) a driving unit that drives a motor, and (B) a regeneration control unit that controls the driving unit so as to generate a regenerative braking force in accordance with a vehicle acceleration, a vehicle speed and a pedal-rotation converted speed that is obtained from a pedal rotation. | 05-05-2016 |
20140039742 | MOTOR DRIVING CONTROL APPARATUS - A motor drive control apparatus for performing motor control that is stable and has a good efficiency includes: a speed processing unit that generates a first value by converting a second value corresponding to a current speed into a duty ratio; a torque processing unit that generates a third value by converting a fourth value corresponding to a target torque into the duty ratio; and a drive unit that controls switching by a switch included in a complementary switching amplifier by an average duty ratio corresponding to a sum of the first value and the third value to drive a motor connected to the complementary switching amplifier. | 02-06-2014 |
20140039741 | MOTOR DRIVING CONTROL APPARATUS - This motor driving control apparatus includes: a smoothing processing unit that executes smoothing processing using values of pedal input torque at plural points to calculate a first smoothed torque value; an insufficiency output unit that obtains a rate of points at which input of the pedal input torque is insufficient among the plural points; an assist torque calculating unit that performs calculation processing of mixing the first torque value calculated by the smoothing processing unit and the pedal input torque in accordance with output of the insufficient output unit to calculate assist torque; and a driving processing unit that performs processing to drive a motor using the assist torque calculated by the assist torque calculating unit. | 02-06-2014 |
20130317679 | MOTOR DRIVE CONTROL DEVICE - An appropriate motor control in accordance with a pedal operation of a driver is to be achieved. A motor drive control device according to the present invention is a motor drive control device for an electric power-assisted vehicle that has one-way clutches respectively provided for a motor drive system and for a pedal drive system. The motor drive control device according to the present invention includes: a first calculating part that calculates a pedal rotation conversion speed that is converted from a pedal rotation; and a second calculating part that calculates a second target torque for a motor based on the pedal rotation conversion speed, during a period in which a first target torque derived from a pedal torque is not detected. | 11-28-2013 |
20130311019 | MOTOR DRIVE CONTROL DEVICE - A motor drive control device of an electric power-assisted vehicle that has a gear shifter and a motor, and in which a first ratio of the number of drive rotations in the motor to the number of drive rotations of a pedal changes based on changes in a gear ratio in the gear shifter, includes: a gear ratio obtaining part that obtains the gear ratio of the gear shifter; and a calculating part that calculates an assist torque, which is a target value for a drive torque of the motor, from the pedal input torque based on the gear ratio obtained by the gear ratio obtaining part. | 11-21-2013 |