Transmission control system in electric vehicle

Details Transmission control system in electric vehicle Transmission control system in electric vehicle

1992-12-07

1994-02-22

Wright, Dirk

Machine element or mechanism

Rotary driven device adjustable during operation relative to...

Screw and nut adjusting means

303 3, 318139, 318375, 180165, 180 653, F16H 5914

Patent

active

052877728

ABSTRACT:
A transmission control system in an electric vehicle in which a battery is used as en energy source for a motor and is charged with an electric power generated through the motor by regenerative braking of driving wheels which are connected to the motor through a transmission. In the transmission control system, a regenerative energy capable of being generated at a current transmission ratio, a regenerative energy capable of being generated when such transmission ratio is increased, and a regenerative energy capable of being generated when such transmission ratio is decreased, are calculated and compared with one another, thereby shift-changing the transmission into a shift position which permits the largest regenerative energy to be provided. This ensures that the efficiency of recovery of the energy can be increased to the maximum to effectively charge the battery.

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