Method and device for limiting the driving speed of a motor vehicle
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Abstract
A method and a device are provided for limiting the driving speed of a motor vehicle that allow a selectable, fixed fuel consumption per distance traveled to be maintained without limiting short-term acceleration. In this context, the driving speed is limited to a maximum value (vmaxbe), at which a predefined maximum fuel consumption (Besetpoint) for steady driving speed is not exceeded.
6 Citations
19 Claims
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1-9. -9. (canceled)
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10. A method for limiting a driving speed of a motor vehicle, comprising:
limiting the driving speed to a predefined maximum value, the maximum value corresponding to a predefined maximum fuel consumption for a steady driving speed. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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19. A device for limiting a driving speed of a motor vehicle, comprising:
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an arrangement for determining a maximum fuel consumption for a steady driving speed;
an arrangement for limiting the driving speed to a maximum value corresponding to the determined maximum fuel consumption;
wherein the maximum value for the driving speed is determined from a maximum drive power of the vehicle derived from a relationship between the predefined maximum fuel consumption and a specific fuel consumption of the engine of the vehicle at an instantaneous operating point, based on an inverse characteristic curve for a speed-dependent proportion of a total driving resistance.
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Specification