TIRE LATERAL FORCE MODEL WITH TEMPERATURE ADAPTATION AND METHOD
First Claim
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1. A tire based system for adapting the calculation of temperature-sensitive tire characteristics comprising:
- at least one tire mounted to a wheel hub and supporting a vehicle;
temperature measurement means comprising at least one temperature sensor mounted to the one tire for measuring a tire temperature at a tire radially outward surface;
an algorithmic model operatively receiving the tire temperature as an input and using the tire temperature in adapting at least one temperature-sensitive tire characteristic;
vehicle control means for using the at least one temperature-sensitive tire characteristic adapted by the tire temperature in at least one operative control command for the vehicle.
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Abstract
A tire-based system and method for adapting the calculation of temperature-sensitive tire characteristics includes one or more tire-mounted temperature sensors mounted to a vehicle tire for measuring a tire temperature at a tire radially outward surface; an algorithmic model adapting one or more temperature-sensitive tire characteristics by the measured tire surface temperature; and vehicle controls using the temperature-sensitive tire characteristics adapted by the tire surface temperature in one or more vehicle control commands.
21 Citations
12 Claims
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1. A tire based system for adapting the calculation of temperature-sensitive tire characteristics comprising:
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at least one tire mounted to a wheel hub and supporting a vehicle; temperature measurement means comprising at least one temperature sensor mounted to the one tire for measuring a tire temperature at a tire radially outward surface; an algorithmic model operatively receiving the tire temperature as an input and using the tire temperature in adapting at least one temperature-sensitive tire characteristic; vehicle control means for using the at least one temperature-sensitive tire characteristic adapted by the tire temperature in at least one operative control command for the vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A tire-based system for adapting the calculation of temperature-sensitive tire characteristics comprising:
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at least one tire mounted to a wheel hub and supporting a vehicle; at least one tire-mounted temperature sensors mounted to the one vehicle tire for measuring a tire temperature at a radially outward surface of the one tire; an algorithmic model adapting at least one temperature-sensitive tire characteristics by the surface temperature of the one tire; and vehicle controls using the temperature-sensitive tire characteristics adapted by the surface temperature of the one tire in at least one vehicle control commands.
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8. A tire-based method for adapting the calculation of temperature-sensitive tire characteristics comprising:
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mounting at least one tire-mounted temperature sensor to a vehicle tire for measuring a tire temperature at a radially outward tire surface; employing an algorithmic model to adapt at least one temperature-sensitive tire characteristic by the tire temperature at the outward tire surface; and using at least one of the temperature-sensitive tire characteristics adapted by the tire temperature at the outward tire surface in at least one vehicle control command.
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9. The method of claim 9, wherein the one temperature-sensitive tire characteristic is from the group of tire characteristics:
- tire cornering stiffness; and
tire peak friction coefficient.
- tire cornering stiffness; and
- 10. The method of claim 10, wherein comprising mounting a plurality of temperature sensors to respective locations across a tire tread region, and combining tire temperature measurements for use in the algorithmic model.
Specification