Method and control apparatus for operating a road-bound hybrid vehicle
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United States of America Patent
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Feb 23, 2016
Grant Date -
Aug 6, 2015
app pub date -
Feb 4, 2015
filing date -
Feb 5, 2014
priority date (Note) -
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Abstract
A control apparatus and method for operating a road-bound hybrid vehicle are provided. The vehicles includes a control apparatus for controlling the drive torque of a first drive unit which is associated with a first axle and of the drive torque of a second drive unit which is associated with a second axle. One drive unit has at least one electric motor and the other drive unit has at least one internal combustion engine, wherein a load point increase, by which an energy store for operating the electric motor is charged, is limited by the internal combustion engine and the control unit. The limiting is performed by: in a first step, determining a maximum permissible upper limit for the load increase torque under optimum traction conditions depending on the steering angle and on the vehicle speed. In a second step, performing, as required, a torque-reducing adaptation of the previously determined upper limit to match traction-impairing environmental influences which may be present.
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