TORQUE CONTROL OF A VEHICLE POWERTRAIN BASED ON A TIME DERIVATIVE FOR A DYNAMIC TORQUE

摘要

FIELD: transportation.;SUBSTANCE: invention relates to adjusting the torque of an internal combustion engine. Method for adjusting ΔTq_fw change is proposed by the time derivative of the dynamic torque in which the ΔTq_fw required change is determined by the time derivative of the current Tq_{fw_pres} value on the new required Tq_{fw_des} value. Determined by the current difference of Δω_pres rotational speeds between the first end of the vehicle’s power train, rotating at the first speed ω₁ rotation, and the second end of the power transmission, rotating at second speed ω₂ of rotation. First speed ω₁ of rotation is adjusted based on the required Tq_{fw_des} value of the time derivative of the dynamic torque, based on the coefficient k of stiffness associated with torsional compliance of a power train, and based on a certain current difference Δω_pres of rotation speeds. By adjusting the first speed ω₁ of rotation of current Tq_{fw_pres} value by the time derivative of the dynamic torque is also indirectly regulated in the direction of the required Tq_{fw_des} value.;EFFECT: technical result is to change the torque when the engine torque is requested so that power train oscillations decrease or do not occur.;27 cl, 7 dwg