TIRE WEAR MEASURING APPARATUS AND TIRE WEAR MEASURING METHOD USING SAME

Abstract

An embodiment of the present invention provides a technique for estimating a change in bending stiffness characteristics of a tire and measuring the amount of wear of a tire tread using the estimated change. The tire wear measuring device using the change in bending stiffness of a tire according to an embodiment of the present invention includes: a signal receiving unit that measures an acceleration inside the tire in an axial direction that is a radial direction of the tire for each position inside the tire; a signal analysis unit for receiving the signal information from the signal receiving unit, calculating a change rate of bending stiffness of the tire by using an axial acceleration in the tire, and estimating a tread wear rate of the tire; a transmission unit that receives analysis information from the signal analysis unit, the analysis information being information relating to a tread wear rate of the tire, and transmits the analysis information; and a control module that generates a control signal related to the vehicle on which the tire is provided by receiving the analysis information from the transmission unit. On the other hand, the physical change was derived using a mathematical Model (Flexible Ring fire Model).