摘要 |
The present invention relates to a method for performing an operation and controlling a speed by the control of the intensity of power in the speed control of first to third stage gears. A generator is operated by using a tire shaft. A motor is driven by the power of the generator. The shaft of an electric vehicle is driven by the motor. The speed of the electric vehicle is controlled by a reducer. [Reference numerals] (A,C) Battery;(E,F) Generator |