FIELD: vehicles.
SUBSTANCE: in control method of gear shifting of twin-engine transport vehicle, when gear shifting signal is received, torque provided by engine is switched through input shaft to torque provided by the second motor. Combination between brake and sun gear is controlled. Said first motor is used for adjustment of engine rpm to target rpm corresponding to target gear. Clutch is controlled in engaged state. Latter are changed over from torque provided by second motor to that provided by engine via input shaft.
EFFECT: smoothness of gear shifting is increased.
10 cl, 9 dwg
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