<p>An accuracy error for measuring the position of an own vehicle is calculated based on the information of an execution history of map matching and the information of an update history of a map database. In addition, a predetermined map is referred to based on the calculated accuracy error, and an accuracy error level for performing positioning is specified from among plural stepwise levels. Then, the control level of assist control executed according to the position of the own vehicle is changed so as to correspond to the specified accuracy error level.</p>
申请公布号
EP2019382(A1)
申请公布日期
2009.01.28
申请号
EP20070743412
申请日期
2007.05.15
申请人
TOYOTA JIDOSHA KABUSHIKI KAISHA;AISIN AW CO., LTD.