Method and System for Determining a Tyre Load During the Running of a Vehicle
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Abstract
A method and system for determining a load exerted on a tyre fitted on a vehicle during the running of the vehicle on a rolling surface. The tyre has an equatorial plane. A concave upward function Fz=Fz(PLc) of the tyre load versus the length of a contact region is provided between the tyre and the rolling surface. The length (PLc) is estimated substantially at the equatorial plane and the tyre load corresponding to said estimated length is derived from the function.
47 Citations
76 Claims
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1-38. -38. (canceled)
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39. A method for determining a load exerted on a tyre fitted on a vehicle during running of said vehicle on a rolling surface, the tyre comprising an equatorial plane, comprising the steps
providing a concave upward function Fz=Fz(PLc) of said tyre load versus a length of a contact region between said tyre and said rolling surface; -
estimating said length (PLc) substantially at the equatorial plane; and
deriving the tyre load corresponding to said estimated length from said function. - View Dependent Claims (40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53)
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54. A system for determining a load exerted on a tyre fitted on a vehicle during running of said vehicle on a rolling surface, comprising:
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a measuring device adapted to estimate a length (PLC) of a contact region between said tyre and said rolling surface substantially at the equatorial plane; and
at least one processing unit adapted to derive the tyre load corresponding to said estimated length from a concave upward function Fz=Fz(PLc) of said tyre load versus the length of contact region between said tyre and said roiling surface. - View Dependent Claims (55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76)
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Specification