Method of decreasing braking distance
First Claim
Patent Images
1. A control system for operating a vehicle braking system, the control system comprising:
- a sensor that senses an angle of a vehicle;
a camera configured to be attached to the vehicle with a field of view of a road surface; and
an electronic control unit communicatively connected to the camera and communicatively connected to the sensor, the electronic control unit configured toreceive images of the road surface from the camera,determine a type of road surface based on the images of the road surface, andgenerate a control message based on the type of road surface and the angle;
a braking control unit communicatively connected to the electronic control unit, the braking control unit configured toreceive the control message from the electronic control unit;
operate the braking system of the vehicle;
adjust the operation of the braking system based on the control message;
operate in a first mode depending on the control message from the electronic control unit, wherein when operating in the first mode, the braking control unit operates the braking system with antilock braking activated; and
operate in a second mode depending on the control message from the electronic control unit, wherein when operating in the second mode, the braking control unit operates the braking system with antilock braking deactivated.
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Abstract
A system and a method of operating an antilock braking system in a vehicle. The system and method include an electronic control unit that monitors an angle sensor to determine whether the vehicle is moving straight. The electronic control unit also monitors a plurality of images produced from a vehicle camera orientated towards a road surface. The electronic control unit determines a type of road surface and whether the road surface is slippery based on these images. The electronic control unit operates the antilock braking system in a plurality of modes depending on information received about the road surface and the angle sensor.
9 Citations
20 Claims
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1. A control system for operating a vehicle braking system, the control system comprising:
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a sensor that senses an angle of a vehicle; a camera configured to be attached to the vehicle with a field of view of a road surface; and an electronic control unit communicatively connected to the camera and communicatively connected to the sensor, the electronic control unit configured to receive images of the road surface from the camera, determine a type of road surface based on the images of the road surface, and generate a control message based on the type of road surface and the angle; a braking control unit communicatively connected to the electronic control unit, the braking control unit configured to receive the control message from the electronic control unit; operate the braking system of the vehicle; adjust the operation of the braking system based on the control message; operate in a first mode depending on the control message from the electronic control unit, wherein when operating in the first mode, the braking control unit operates the braking system with antilock braking activated; and operate in a second mode depending on the control message from the electronic control unit, wherein when operating in the second mode, the braking control unit operates the braking system with antilock braking deactivated. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method of operating a braking system of a vehicle, the method comprising:
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determining an angle of the vehicle; receiving an image of a road surface with a camera attached to the vehicle; determining, by an electronic control unit, a type of road surface based on the image of the road surface; sending a control message to an antilock braking system control unit based on the type of road surface and the angle; operating the braking system of the vehicle based on the control message; operating in a first mode depending on the control message from the electronic control unit, wherein when operating in the first mode, the antilock braking system control unit operates the braking system with antilock braking enabled; and operating in a second mode depending on the control message from the electronic control unit, wherein when operating in the second mode, the antilock braking system control unit operates the braking system with antilock braking disabled. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification