| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a route search method which can sufficiently cope with dynamically changing road states. <P>SOLUTION: A center device 10 comprises: a reception unit 11 which receives respective pieces of environment information transmitted from a plurality of in-vehicle terminals including an in-vehicle terminal 21 via a communication channel 5; a collection unit 12 which classifies the pieces of environment information received by the reception unit 11 by vehicle and stores the classified pieces of environment information in a dynamic vehicle information DB 16; a processing unit 13 which obtains compiled environment information in which the pieces of environment information of respective vehicles are compiled on the basis of the pieces of environment information stored in the dynamic vehicle information DB 16, and stores the compiled environment information in the dynamic vehicle information DB 16; and a search unit 14 which searches for a route for a target vehicle among a plurality of vehicles including a vehicle 2 on the basis of the pieces of environment information and the compiled environment information stored in the dynamic vehicle information DB 16 in response to a route search request by the target vehicle. <P>COPYRIGHT: (C)2013,JPO&INPIT |
