| 摘要 |
PROBLEM TO BE SOLVED: To provide an abnormality judging device capable of judging abnormality of a tire with high accuracy. SOLUTION: The abnormality judging device is equipped with a detecting section 210 detecting a physical quantity generated from a revolving tire for each tire, an adaptive digital filter 222 extracting a specific signal for each tire from signals corresponding to the physical quantities detected by the detecting section 210, and a judging section 230 judging that the tire is abnormal when a value of difference between the two signals extracted by the adaptive digital filter 222 exceeds a prescribed threshold value. COPYRIGHT: (C)2006,JPO&NCIPI
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