SYSTEM AND METHOD FOR MONITORING DRIVER FATIGUE
First Claim
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1. a driver fatigue and inattention monitoring system for a vehicle with a steering system, comprising:
- a perturbation device in combination with the steering system for imposing a controlled disturbance into the steering system;
a monitoring device including sensors in sensing combination with the steering system to determine whether the steering system has been compensated for the imposed disturbance; and
a warning device activatable by the monitoring device when the steering system has not been compensated for the imposed disturbance.
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Abstract
An apparatus and method for monitoring driver fatigue and inattention. A device introduces a controlled disturbance requiring driver compensation into a steering system of a vehicle and monitors for an expected driver compensation in response to the disturbance. When the actual compensation does not sufficiently match the expected compensation the driver is alerted and vehicle functions can automatically be activated or reduced.
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Citations
20 Claims
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1. a driver fatigue and inattention monitoring system for a vehicle with a steering system, comprising:
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a perturbation device in combination with the steering system for imposing a controlled disturbance into the steering system; a monitoring device including sensors in sensing combination with the steering system to determine whether the steering system has been compensated for the imposed disturbance; and a warning device activatable by the monitoring device when the steering system has not been compensated for the imposed disturbance. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. a vehicle with a driver fatigue and inattention monitoring system, comprising:
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a steering shaft including a steering control at a first end to rotate the steering shaft; a steering gear system attached to a second end of the steering shaft; a linkage assembly connecting the steering gear system to a steering arm of a vehicle wheel; a perturbation device in combination with the linkage assembly for imposing a controlled disturbance into the steering system; a monitoring device including sensors in sensing combination with the steering system to determine whether the steering system has been compensated for the imposed perturbation; and a warning device activatable by the monitoring device. - View Dependent Claims (11, 12, 13, 14)
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15. a method for monitoring driver fatigue and inattention, comprising:
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introducing a controlled disturbance requiring driver compensation into a steering system of a vehicle; monitoring for an expected driver compensation in response to the disturbance; and alerting the driver when the expected driver compensation is not detected. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification