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US 7,743,866 B2Granted
Speed control system and method for a motor vehicle
AssigneeBayerische Motoren Werke Aktiengesellschaft
InventorUwe Proemm
Life of this patent
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Abstract
A speed control system is provided for a motor vehicle, including units for calculating a drive torque or a brake torque as a function of a pre-definable target speed, the target speed being pre-defined by the single actuation of an operable control element. A sustained actuation of the control element is used to pre-define a target acceleration, instead of a target speed. The drive torque or brake torque are calculated from the target acceleration.
Claims4
Speed control system for a motor vehicle, comprising:
- a unit for calculating a drive torque or brake torque as a function of a pre-definable target speed, the target speed being pre-defined by a single actuation of an operable control element;
- wherein a sustained actuation (db) of the control element (BE) pre-defines a target acceleration (as), instead of a target speed (vs), the unit calculating the drive torque (Ma) or brake torque (Mb) from the target acceleration,
- wherein the calculation of the drive torque (Ma) or the brake torque (Mb) takes into consideration load resistances (L) of the vehicle (F), and
- wherein the target acceleration is pre-defined as a function of a driving style of the driver.
1 more element
Dependencies are inferred from the claim text.