CONTROL OF MOTOR VEHICLE TRANSMISSION

摘要

A vehicle transmission, particularly an overdrive unit, is controlled by a micro-processor control circuit which responds to operating parameters including speed and torque being transmitted by the unit to determine whether a change in gear ratio of the unit is to be effected. The control circuit is also responsive to engine speed, operation of an accelerator controlled kick-down switch, and operation of a clutch associated with a conventional manual gearbox of the vehicle.