Patent ID: 6234933
Filing Date: 2001-05-22
Classification: B60W,F16H,Y10T

Abstract:
Method for controlling a transmission group of a vehicle, said transmission group (2) comprising a gearbox (10) and actuating means (24) coupled with the gearbox (10) for commanding the engagement/disengagement of the gears;said method comprising the step of generating at least one command signal (GEAR1, GEAR2) for said actuating means (24) during a gear change manoeuvre; said command signal (GEAR1, GEAR2) having a width with a time pattern defined by a plurality of characteristic values (I.sub.DIS1, I.sub.DIS2, I.sub.O, .mu., I.sub.LIM, dI) ;said method being characterized in that it comprises the step of:a) calculating at least a first of said characteristic values (I.sub.DIS1, I.sub.DIS2, I.sub.O, .mu., I.sub.LIM, dI) in relation to at least one operative reference value (I.sub.DIS1,MIN, I.sub.DIS1,MAX, I.sub.DIS2,MIN, I.sub.DIS2,MAX, I.sub.O,MIN, I.sub.O,MAX, .mu..sub.MIN, .mu..sub.MAX, I.sub.LIM,MIN, I.sub.LIM,MAX, dI.sub.MIN, dI.sub.MAX) representing a respective gear shift to be effected during said gear change manoeuvre and in relation to an operative correction value (W) representing a respective style of driving the vehicle.