Sensor failure mitigation system and mode management
First Claim
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1. A trailer backup assist system, comprising:
- a sensor sensing a hitch angle between a vehicle and a trailer;
a steering input device providing a backing path of the trailer; and
a controller generating a steering command for the vehicle based on the hitch angle and the backing path, wherein the controller generates a countermeasure for operating the vehicle when the sensor fails to sense the hitch angle.
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Abstract
A trailer backup assist system includes a sensor that senses a hitch angle between a vehicle and a trailer. The trailer backup assist system also includes a steering input device that provides a backing path of the trailer. Further, the trailer backup assist system includes a controller that generates a steering command for the vehicle based on the hitch angle and the backing path. The controller generates a countermeasure for operating the vehicle when the sensor fails to sense the hitch angle.
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Citations
20 Claims
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1. A trailer backup assist system, comprising:
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a sensor sensing a hitch angle between a vehicle and a trailer; a steering input device providing a backing path of the trailer; and a controller generating a steering command for the vehicle based on the hitch angle and the backing path, wherein the controller generates a countermeasure for operating the vehicle when the sensor fails to sense the hitch angle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A sensor failure mitigation system for a trailer backup assist system, comprising:
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a sensor measuring a hitch angle between a vehicle and a trailer; and a controller detecting failure of the sensor to measure the hitch angle, engaging a countermeasure when the sensor fails, and disengaging the countermeasure upon a driver intervention to operate the vehicle. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14)
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15. A method for mitigating sensor failure of a trailer backup assist system, comprising;
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sensing a hitch angle between a vehicle and a trailer; generating a steering command for the vehicle based on the hitch angle; generating a countermeasure command for the vehicle when the hitch angle fails to be sensed; and disengaging the countermeasure command upon a driver intervention. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification