METHOD FOR INCREASING ACTIVE DURATION TIME OF AN AUTOMATIC FREEWHEELING FUNCTION IN A VEHICLE
First Claim
1. Method for increasing active duration time of an automatic freewheeling function in a vehicle with cruise control and during a cruise control active period, the function comprising means for determining a first vehicle set speed (Vset speed) for when the function is allowed to be activated under at least prevailing conditions, comprisingcalculating a predetermined allowable vehicle speed drop (d) to a first under speed value (Vunderspeed) below the first vehicle, set speed (Vset speed) for at least prevailing conditions and;
- controlling the function based on the under speed value, in order to extend active duration time of the function.
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Abstract
A method for increasing active duration time of an automatic freewheeling function in a vehicle with cruise control and during a cruise control active period is provided. The function includes an arrangement for determining a vehicle set speed (Vset speed) for when the function is allowed to be activated and means for calculating a predetermined allowable vehicle speed drop to a first under speed value (Vunderspeed) below the vehicle set speed (Vset speed). The function is controlled based on said under speed value, in order to extend active duration time of the function.
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Citations
13 Claims
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1. Method for increasing active duration time of an automatic freewheeling function in a vehicle with cruise control and during a cruise control active period, the function comprising means for determining a first vehicle set speed (Vset speed) for when the function is allowed to be activated under at least prevailing conditions, comprising
calculating a predetermined allowable vehicle speed drop (d) to a first under speed value (Vunderspeed) below the first vehicle, set speed (Vset speed) for at least prevailing conditions and; controlling the function based on the under speed value, in order to extend active duration time of the function. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
Specification