VEHICLE CONTROL SYSTEM USING TIRE SENSOR DATA
First Claim
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1. A method for operating a vehicle, the method comprising:
- receiving tire sensor data based on measurements of at least a first tire sensor for a corresponding tire of the vehicle, wherein the tire sensor data indicates grip values that include (i) a grip state of the corresponding tire with respect to an underlying road, and (ii) a grip margin of one or more tires of the vehicle to a grip safety threshold after which the vehicle is deemed unsafely in motion;
while receiving tire sensor data, determining location information for the vehicle; and
synchronizing the location information with the tire sensor data to create location-specific grip values.
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Abstract
An automated or autonomous vehicle obtains measurements from at least a first tire sensor, where the measurements reflect a grip state and/or grip margin. The tire sensor information be synchronized with location information, identifying a location where the tire sensor information was obtained.
37 Citations
20 Claims
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1. A method for operating a vehicle, the method comprising:
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receiving tire sensor data based on measurements of at least a first tire sensor for a corresponding tire of the vehicle, wherein the tire sensor data indicates grip values that include (i) a grip state of the corresponding tire with respect to an underlying road, and (ii) a grip margin of one or more tires of the vehicle to a grip safety threshold after which the vehicle is deemed unsafely in motion; while receiving tire sensor data, determining location information for the vehicle; and synchronizing the location information with the tire sensor data to create location-specific grip values. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for operating a network service for providing vehicle information, the method being implemented by one or more processors and comprising:
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receiving tire sensor data communicated from a plurality of vehicles, each vehicle including at least a first tire sensor for a corresponding tire, wherein the tire sensor data is measured by the at least first tire sensor of each vehicle to indicate (i) a grip state of the corresponding tire with respect to an underlying road, and (ii) a grip margin of the corresponding tire to a grip safety threshold after which the vehicle is deemed unsafely in motion; determining location information for each vehicle that communicates tire sensor data; and generating a road surface map based on tire sensor data and location information communicated from each of the plurality of vehicles, the road surface map identifying a road grip value reflecting at least one of the grip state or grip margin for at least an individual location of the plurality of locations. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A non-transitory computer readable medium that stores instructions, which when executed by one or more processors of a computer system, cause the computer system to perform operations that include:
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receive tire sensor data based on measurements of at least a first tire sensor for a corresponding tire of the vehicle, wherein the tire sensor data indicates grip values that include (i) a grip state of the corresponding tire with respect to an underlying road, and (ii) a grip margin of one or more tires of the vehicle to a grip safety threshold after which the vehicle is deemed unsafely in motion; while receiving tire sensor data, determine location information for the vehicle; and synchronize the location information with the tire sensor data to create location-specific grip values. - View Dependent Claims (19, 20)
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Specification