초록 ▼

A method for terminating a warm-up program of an automatic transmission driven by an internal combustion engine in which the engine operational capacity of the internal combustion engine is calculated and summed (S2, S3, S4) and the warm-up program is abandoned when the summed energy operational cap

A method for terminating a warm-up program of an automatic transmission driven by an internal combustion engine in which the engine operational capacity of the internal combustion engine is calculated and summed (S2, S3, S4) and the warm-up program is abandoned when the summed energy operational capacity (SUM(E)) exceeds a limit value (GW).

대표청구항 ▼

[ What is claimed is:] [1.]1. A method for controlling an electrohydraulically actuated automatic transmission driven by an internal combustion engine in which an electronic gear control selects, according to at least one input variable, a shift characteristic program from one of a plurality of shif

[ What is claimed is:] [1.]1. A method for controlling an electrohydraulically actuated automatic transmission driven by an internal combustion engine in which an electronic gear control selects, according to at least one input variable, a shift characteristic program from one of a plurality of shift characteristic programs, the method comprising the steps of:a) detecting a cold start condition of the internal combustion engine;b) selecting a desired warm-up shift characteristic program from a plurality of warm-up shift characteristic programs which only allow relatively higher shift points;c) calculating, from a torque (MM) generated by the internal combustion engine and a rotational speed (nMOT) of the internal combustion, an actual power value (P(i)=MM(i).multidot.nMOT(i).multidot.K);d) calculating an energy operational capacity (E) by summing up the actual power values (P(i)) over a predetermined period of time (E=(P(i)+P(i+1)).times.dt); ande) deactivating the warm-up shift characteristic program, when a sum of the energy operational capacity (SUM(E)) exceeds a power limit value (GW), to thereafter only allow shift characteristic programs having relatively lower shift points.