Method for controlling the speed of a vehicle
First Claim
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1. A method for controlling the speed of a vehicle traveling at an actual speed, the method comprising the steps of:
- causing the actual speed of said vehicle to track a desired speed;
driving a transmission of said vehicle to downshift to reduce said actual speed; and
,additionally driving a brake system of said vehicle to reduce said actual speed.
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Abstract
A method is directed to the control of the speed of a vehicle wherein the actual speed is caused to track the desired speed. For reducing the actual speed, a transmission (1) of the vehicle (5) is driven to downshift and thereby the brake system is protected with respect to wear and overheating.
27 Citations
8 Claims
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1. A method for controlling the speed of a vehicle traveling at an actual speed, the method comprising the steps of:
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causing the actual speed of said vehicle to track a desired speed; driving a transmission of said vehicle to downshift to reduce said actual speed; and
,additionally driving a brake system of said vehicle to reduce said actual speed. - View Dependent Claims (3, 4, 5, 6, 7, 8)
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2. A method for controlling the speed of a vehicle traveling at an actual speed, the method comprising the steps of:
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causing the actual speed of said vehicle to track a desired speed; driving a transmission of said vehicle to downshift to reduce said actual speed; additionally driving a brake system of said vehicle to reduce said actual speed; driving said transmission for downshifting in dependence upon an accelerator pedal value; and
,wherein said accelerator pedal value is changed in dependence upon a difference between an initial deceleration request when activating said brake system and an instantaneous deceleration request of said brake system.
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Specification