Abstract: Method and system for determining a route for a vehicle. The method associates a navigation module to a vehicle fitted with tires and a tire monitoring unit to at least one tire fitted to the vehicle. The monitoring unit has a sensing element to generate a sensing signal descriptive of deformations undergone by the tire. The deformations form a contact area between the tire and a rolling surface on which the tire rotates. During rotation of the tire, the sensing signal, including the sensing signal generated in correspondence of passages of the sensing element through the contact area, is undersampled for a number of passages sufficient to obtain an estimated length of the contact area. The weight of the vehicle is then estimated based on such estimated length, and at least one route among two or more routes is selected, based on such estimated weight of the vehicle.

Abstract: A monitoring of a tire is performed by using a monitoring unit operated at low frequency and with low power needs, without the need of providing complex hardware and software adapted for reconstructing a signal descriptive of the tire deformations and/or for recognizing the start and the end of peaks or valleys or other significant points of such signal. The monitoring uses a statistical approach for the estimation of the length of the contact area, or of other parameters related to it, based on an estimation of a probability of finding the monitoring unit in correspondence of the contact area at a certain time during rolling.

Abstract: Method and system for determining a route for a vehicle. The method associates a navigation module to a vehicle fitted with tires and a tire monitoring unit to at least one tire fitted to the vehicle. The monitoring unit has a sensing element to generate a sensing signal descriptive of deformations undergone by the tire. The deformations form a contact area between the tire and a rolling surface on which the tire rotates. During rotation of the tire, the sensing signal, including the sensing signal generated in correspondence of passages of the sensing element through the contact area, is undersampled for a number of passages sufficient to obtain an estimated length of the contact area. The weight of the vehicle is then estimated based on such estimated length, and at least one route among two or more routes is selected, based on such estimated weight of the vehicle.