| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that when map update is carried out, differences are generated between a past environmental map and an environmental map having been updated and accumulated as update processing is repeated.SOLUTION: A plurality of pairs of shape information 121 on a predetermined area on a preset environmental map 120 and properties of the predetermined area on the environmental map are stored, the predetermined area stored in a storage part 100 is compared with the environmental map, and properties corresponding to the predetermined area are read out so as to update the environmental map according to properties of a measurement place.</p> |
