| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To create data in a normal operation by using traveling data in failure accumulated in a normal vehicle which regularly travels in a city or the like. <P>SOLUTION: A time series ECU (electronic control device) data regarding a plurality of operation parameters in failure stored in a storage device of an ECU of a vehicle when the vehicle is out of order is compared with a reference value, so as to troubleshoot the vehicle. The time series ECU data obtained from multiple vehicles are sequentially stored and saved, so as to create a numerical value vector of the accumulated time series ECU data. The numerical value vector is clustered and classified into a plurality of clusters according to its characteristic. In each of the clusters, a range of the parameter value which has a high appearance frequency is found for each operation parameter, and the obtained range which has a high appearance frequency is saves as a normal value range of the operation parameter, and the normal value range is used as a reference value for troubleshooting. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
