Method and a system for determining the roughness of a tyre rolling surface
First Claim
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1. A method for determining the roughness of a rolling surface of a tyre, comprising:
- providing, by means of a sensor device operatively associated with the tyre, a first signal representative of the motion of at least one point of the tyre during the tyre'"'"'s rolling on the surface;
processing the first signal for providing an output indicative of the roughness of said rolling surface of the tyre; and
wherein the processing includes a frequency filtering of the first signal for extracting a second signal representative of motion components of said at least one point due to the deformations undergone by the tyre during the rolling.
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Abstract
A method for determining the roughness of a tyre rolling surface by the steps of providing a first signal representative of the motion of at least one point of the tyre during rolling of the surface and processing the first signal for providing an output indicative of the roughness of the rolling surface of the tyre.
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Citations
50 Claims
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1. A method for determining the roughness of a rolling surface of a tyre, comprising:
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providing, by means of a sensor device operatively associated with the tyre, a first signal representative of the motion of at least one point of the tyre during the tyre'"'"'s rolling on the surface; processing the first signal for providing an output indicative of the roughness of said rolling surface of the tyre; and wherein the processing includes a frequency filtering of the first signal for extracting a second signal representative of motion components of said at least one point due to the deformations undergone by the tyre during the rolling. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A system for determining the roughness of a rolling surface of a tyre to be mounted onto a vehicle, the system being operatively associable with the tyre and comprising:
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a sensor device operatively associated with the tyre for providing a first signal representative of the motion of at least one point of the tyre during a rolling of said tyre on a surface having a respective roughness; a processing stage of the first signal for generating an output indicative of the roughness of said tyre rolling surface; and wherein the processing stage is of such a type as to perform a frequency filtering of the first signal for extracting a second signal representative of components of motion of said at least one point due to deformations undergone by the tyre during rolling. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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44. A tyre for a vehicle, comprising:
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a sensor device operatively associated with the tyre for providing a first signal representative of the motion of at least one point of the tyre during a rolling of said tyre on a surface having a respective roughness, said sensor device comprising a processing stage of the first signal for generating an output indicative of roughness of said tyre rolling surface; and wherein the processing stage is so as to perform a frequency filtering of the first signal for extracting a second signal representative of motion components of said at least one point due to deformations undergone by the tyre during rolling. - View Dependent Claims (45, 46, 47, 48, 49, 50)
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Specification