Abstract: A method of timing a remarkable angular position (?R) of at least one sensor (12) carried by a tire (10) rotating relative to an external frame of reference. The following steps are performed: forming, from an output signal from the sensor (12), a reference signal suitable for presenting a remarkable extremum during one revolution of the tire (10); determining the time of an origin angular position (?0) of the sensor as being the time of the remarkable extremum of the reference signal; and determining the time of the remarkable angular position (?R) relative to the time of the origin angular position.

Abstract: A method of determining a maximum adhesion coefficient of a tire while running on ground, the method comprising the following steps: determining the maximum adhesion coefficient as being an output from a main transfer function that is independent of at least one slowly-varying parameter; and determining at least one input of the main transfer function as being an output from a transfer pre-function that depends on said slowly-varying parameter.

Abstract: Tire comprising an inner liner, at least one carcass ply and a strain sensor, the strain sensor being placed between the carcass ply and the inner liner.

Abstract: A patch configured to fix an electronic system, which includes a sensor, to a tire. The patch has a foot with a surface configured to be fixed to the tire. The foot has at least two portions connected to one another by at least one bridging element. The bridging element has, in a section which is parallel to the surface of the foot that is configured to be fixed to the tire, a surface area which is smaller than the overall surface area in the same section between the connected portions of the foot. The connected portions of the foot and the bridging element are aligned, in a direction perpendicular to the surface of the foot that is configured to be fixed to the tire, such that the bridging element continuously connects the connected portions in the same section.

Abstract: A method of determining at least one characteristic of a tire selected from the three components of a resultant of forces which are exerted by the road on the contact area of a tire and the self-alignment torque generated by the tire, includes the steps of making at least two measurements of circumferential extension or contraction in at least one sidewall of the tire at two fixed points in space, which are situated at different azimuths along the circumference, and based on the measurements deriving a value for the selected characteristic.

Abstract: A method of determining the grip coefficient ? in the contact area of a tire on a road includes the steps of selecting a plurality of fixed points in space (that is to say ones that are fixed in the reference frame associated with the vehicle) which points lie at different azimuths along the circumference in at least one sidewall of the tire, obtaining a corresponding number of measurements of circumferential distance variation (extension or contraction) at these fixed points when the tire is rolling on the road, and the measurement signals are processed so as to extract the grip coefficient ?.

Abstract: A method for estimation of the maximum grip coefficient on the basis of knowledge of the forces and the self-alignment torque which are generated in the contact area of a tire, includes the steps of: selecting a plurality of fixed points in space, which lie at different azimuths along the circumference in at least one sidewall of the tire, carrying out a corresponding number of measurements of circumferential distance variation (extension or contraction) at these fixed points when the tire is rolling on the road, processing the measurement signals so as to extract the three components of a resultant of forces which are exerted by the road on the contact area of a tire and the self-alignment torque generated by the tire from them, processing the evaluation signals of the three components of a resultant of forces which are exerted by the road on the contact area of a tire and of the self-alignment torque generated by the tire so as to extract the said grip coefficient ? from them.

Abstract: Method of determining at least one of the characteristics selected from: the three components of a resultant of forces which are exerted by the road on the contact area of a tire and the self-alignment torque generated by the tire, in which the said characteristic is derived from at least one measurement of the shear stresses at two fixed points in space, which are each situated in one of the beads.

Abstract: A method of determining a friction coefficient ? in a contact area of a tire on a road. Fixed points are selected that lie at different azimuths along a circumference of at least one bead of the tire. A shear stress value is measured at each of the fixed points while the tire is rolling on the road. The measured shear stress values are processed to determine the friction coefficient ?.

Abstract: A method of determining the grip coefficient ? in the contact area of a tire on a road includes the steps of selecting a plurality of fixed points in space (that is to say ones that are fixed in the reference frame associated with the vehicle) which points lie at different azimuths along the circumference in at least one sidewall of the tire, obtaining a corresponding number of measurements of circumferential distance variation (extension or contraction) at these fixed points when the tire is rolling on the road, and the measurement signals are processed so as to extract the grip coefficient ?.

Abstract: A method for estimation of the maximum grip coefficient on the basis of knowledge of the forces and the self-alignment torque which are generated in the contact area of a tire, includes the steps of: selecting a plurality of fixed points in space, which lie at different azimuths along the circumference in at least one sidewall of the tire, carrying out a corresponding number of measurements of circumferential distance variation (extension or contraction) at these fixed points when the tire is rolling on the road, processing the measurement signals so as to extract the three components of a resultant of forces which are exerted by the road on the contact area of a tire and the self-alignment torque generated by the tire from them, processing the evaluation signals of the three components of a resultant of forces which are exerted by the road on the contact area of a tire and of the self-alignment torque generated by the tire so as to extract the said grip coefficient ? from them.

Abstract: Method of determining at least one of the characteristics selected from: the three components of a resultant of forces which are exerted by the road on the contact area of a tire and the self-alignment torque generated by the tire, in which the said characteristic is derived from at least one measurement of the shear stresses at two fixed points in space, which are each situated in one of the beads.

Abstract: A method of determining at least one characteristic of a tire selected from the three components of a resultant of forces which are exerted by the road on the contact area of a tire and the self-alignment torque generated by the tire, includes the steps of making at least two measurements of circumferential extension or contraction in at least one sidewall of the tire at two fixed points in space, which are situated at different azimuths along the circumference, and based on the measurements deriving a value for the selected characteristic.