TIRE DETERIORATION DETECTION SYSTEM, TIRE WEAR DETECTION SYSTEM AND TIRE WEAR DETECTION METHOD

摘要

A tire deterioration detection system, a tire wear detection system and a tire wear detection method can suppress influences caused by curving of a vehicle. The tire deterioration detection system estimates deterioration state, for example, wear state of each tire of a vehicle. A calculation part derives a moving length of each tire in view of an effect caused by curving based on a traveling path of the vehicle obtained from position data by a GPS receiver and an outer diameter of the tire from the moving length of the tire, so that calculation part derives a wear loss of the tire and estimate the wear state of the tire from the wear loss of the tire.