公开(公告)号：EP2019382B1

公开(公告)日：2011-12-28

申请号：EP07743412.4

申请日：2007-05-15

申请人： Toyota Jidosha Kabushiki Kaisha ,  Aisin AW Co., Ltd.

发明人： OKADA, Kiyokazu c/o TOYOTA JIDOSHA KABUSHIKI KAISHA ,  NAKAMURA, Motohiro c/o TOYOTA JIDOSHA KABUSHIKI KAISHA ,  SUZUKI, Hidenobu c/o TOYOTA JIDOSHA KABUSHIKI KAISHA ,  NAKAMURA, Masaki c/o AISIN AW CO., LTD. ,  HASUNUMA, Makoto c/o AW SOFTWARE CO., LTD.

IPC分类号： G08G1/16 ,  B60R21/00 ,  B60W30/00 ,  G01C21/00 ,  G08G1/0969 ,  B60W50/00

CPC分类号： B60W40/10 ,  B60W30/00 ,  B60W50/0098 ,  B60W2550/402 ,  G01C21/30

摘要： An accuracy level is calculated when measuring a position of a vehicle according to map matching execution history information and map database update history information. According to the calculated accuracy level, an accuracy level is identified from a plurality of stepwise levels when performing measurement by referencing a predetermined map. A control level of support control executed according to the position of the vehicle is modified according to the identified accuracy level.