Patent ID: 8751157
Filing Date: 2014-06-10
Classification: B60W,G01C,G01S

Abstract:
1. A method for finding a position of an automotive vehicle on a carriageway, comprising: finding the position of the vehicle with a first precision using outputs from a satellite signal sensor; obtaining data relating to a first vehicle environment for the position found with the first precision, from a digital map; obtaining data relating to lane markings in a second vehicle environment, with a line recognition sensor; obtaining data relating to proper motion of the vehicle, with a driving dynamics sensor; obtaining data relating to objects in a third vehicle environment, with an ambient sensor, the data relating to objects pertaining to a current carriageway situation; finding the position of the vehicle with at least lane-specific precision on the carriageway, by combining: obtaining data relating to a lane width, from the data relating to lane markings; obtaining data relating to a carriageway width from the data relating to objects; and determining and outputting information regarding current number of lanes on the carriageway, from the data relating to the lane width and the data relating to the carriageway width.