| 摘要 |
PROBLEM TO BE SOLVED: To correct an encoder value by an easy correction operation with one reference mark. SOLUTION: A circulating distance L of a traveling route and division distances P obtained by dividing the distance into a plurality of pieces are stored, values c and d which satisfy e modP=d and e=cP+d are determined from an encoder signal e, and (c, d) is decided as a current position. COPYRIGHT: (C)2009,JPO&INPIT
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