METHOD OF CONTROLLING ELECTRIC VEHICLE DRIVE AND DEVICE FOR ITS IMPLEMENTATION Russian patent published in 2019 - IPC B60L50/60 B60L15/20 B60W10/101 F16H9/02 

FIELD: machine building.

SUBSTANCE: group of inventions relates to the control of the traction system of vehicles with electric traction. Electric vehicle drive control method consists in the following. In all modes of motion, the gear ratio of the variator within the range of its smooth variation D is maintained inversely proportional to the signal of the speed intensities setting device. At starting, anchor and motor excitation winding are connected to the battery immediately, and in case of backward motion, the maximum speed setting signal is simultaneously reduced to the required value. At automatic stopping speed of electric vehicle is smoothly reduced and at the moment of speed setting signal drop to level 1/D engine is switched to electrodynamic braking mode, and when setter signal falls below 0.1/D from storage battery excitation winding is disconnected. In case of accelerated braking additionally s rate of decline of speed setting signal is increased proportional to brake pedal position. Electric vehicle drive device comprises traction storage battery, start-stop unit, DC motor and excitation reverser, motion mode selector, variator, main gear and control unit.

EFFECT: simplification of electric vehicle drive control.

2 cl, 1 dwg