METHOD FOR CONTROLLING THE DRIVING MODE OF A MOTOR VEHICLE
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Accused Products
Abstract
A method of controlling the driving mode of a motor vehicle, having a largely automated drive-train including a drive motor, a transmission and a separator clutch arranged between the motor and transmission, such that while driving, if certain operating conditions exist and a speed profile calculated with reference to topographical data and vehicle parameters for a road section lying ahead is suitable, the drive-train is disengaged and driving continues in a coasting mode until the occurrence of a termination signal. To enable coasting operation, the calculated speed profile for the case of immediate opening of the drive-train is determined continually at equidistant successive travel points along the driving stretch and is, in each case, evaluated in relation to lower and upper speed limits. Coasting is only enabled if, for a specified minimum number of successive travel points, the evaluation result is in each case positive.
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Citations
39 Claims
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1-19. -19. (canceled)
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20. A method of controlling a driving mode of a motor vehicle, having a drive-train that is largely automated and comprises a drive motor, either an incrementally or a continuously adjustable transmission and at least one separator clutch arranged between the drive motor and the transmission, such that while driving, if certain operating conditions exist and a speed profile (vF(xFS)) calculated with reference to topographical data and vehicle parameters for a road section lying ahead is suitable, the drive-train is disengaged and driving continues in a coasting mode until an occurrence of a termination signal, the method comprising the steps of:
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determining a calculated speed profile (vF(xFS)) for a case of immediate disengagement of the drive-train continually at successive, equidistant travel points along a driving stretch (xFS); evaluating the calculated speed profile (vF(xFS)) in each case in relation to a lower speed limit (vGr — U) and an upper speed limit (vGr— O); andonly enabling coasting if, for a specified minimum number (nX — Min) of successive travel points, a result of the evaluation is, in each case, positive. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification