Method and system for adjusting headway in an adaptive speed control system based on road surface coefficient of friction
First Claim
1. In an adaptive speed control system for a vehicle, a method for automatically adjusting a selected following interval for the vehicle based on driving conditions, the method comprising:
- determining a driving surface coefficient of friction based on a driven wheel speed of the vehicle; and
adjusting the selected following interval for the vehicle based on the driving surface coefficient of friction.
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Abstract
In an adaptive speed control system for a vehicle, a method and system for automatically adjusting a selected following interval for the vehicle based on driving conditions is provided. The method includes determining a driving surface coefficient of friction based on a driven wheel speed of the vehicle, and adjusting the selected following interval for the vehicle based on the driving surface coefficient of friction. The system includes a receiver capable of receiving a signal indicative of a driven wheel speed of the vehicle, and a controller capable of determining a driving surface coefficient of friction based on the driven wheel speed, and capable of adjusting the selected following interval for the vehicle based on the driving surface coefficient of friction.
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Citations
4 Claims
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1. In an adaptive speed control system for a vehicle, a method for automatically adjusting a selected following interval for the vehicle based on driving conditions, the method comprising:
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determining a driving surface coefficient of friction based on a driven wheel speed of the vehicle; and
adjusting the selected following interval for the vehicle based on the driving surface coefficient of friction. - View Dependent Claims (2)
determining a ratio of the driving surface coefficient of friction and a selected coefficient of friction value; and
scaling the selected following distance based on the ratio of the driving surface coefficient of friction and a selected coefficient of friction value.
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3. In an adaptive speed control system for a vehicle, a system for automatically adjusting a selected following interval for the vehicle based on driving conditions, the system comprising:
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a receiver capable of receiving a signal indicative of a driven wheel speed of the vehicle; and
a controller capable of determining a driving surface coefficient of friction based on the driven wheel speed, and adjusting the selected following interval for the vehicle based on the driving surface coefficient of friction. - View Dependent Claims (4)
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Specification