| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a motor design method, a motor designed by the motor design method, and an electric vehicle with the motor, which are capable of improving power consumption, by analyzing a running pattern, and by setting an efficiency map of a motor so that time integration found by dividing a work amount by a motor efficiency is minimized. <P>SOLUTION: The motor design method, the motor 11 designed by the motor design method, and the electric vehicle 10 provided with the motor 11 include a first calculation step of finding a set of a necessary number of revolutions to attain a predetermined running pattern and a necessary torque to attain the predetermined running pattern, a second calculation step of selecting a motor efficiency corresponding to the number of revolutions and the torque from one motor characteristic curve, a third calculation step of finding a work amount from the number of revolutions and the torque and finding power consumption by dividing the work amount by the motor efficiency, and a fourth calculation step of repeating the first calculation step, the second calculation step, and the third calculation step for an entire running period of time to find the total sum of the power consumption. <P>COPYRIGHT: (C)2012,JPO&INPIT |
