| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a controller of an electric power steering apparatus capable of reliably saving the initial abnormality analysis data. <P>SOLUTION: The controller of the electric power steering apparatus is constituted by comprising an abnormality detection means for detecting the abnormality of a steering assist control mechanism comprising an electric motor giving a steering assist force to a steering system and an abnormality data storage means for storing the abnormality analysis data in a storage means when the abnormality of the steering assist control mechanism is detected by this abnormality detection means, wherein the storage means comprises a plurality of overwrite prohibition storage areas for prohibiting the overwrite of the abnormality analysis data and a plurality of overwrite permission storage areas for overwriting and storing the abnormality analysis data, and wherein the abnormality data storage means stores the abnormality of the steering assist control mechanism detected by the abnormality detection means in the overwrite prohibition storage area when the abnormality is a first abnormality analysis data, and stores the abnormality in the overwrite permission storage area when the abnormality is the abnormality analysis data subsequent to the second time. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
