Method and system for determining parameters of a model for longitudinal guidance and for determining a longitudinal guidance for a vehicle

摘要

In order to determine parameters (Ax, Ax-y) of a model of a predicted longitudinal guidance of a vehicle (10), a section of a driving route of the vehicle (10) is detected by means of sensors (3) of the vehicle (10), an actual speed Time-course (31-33) of the vehicle (10) when passing through the section detected and the parameters (Ax, Ax-y) depending on the actual speed-time curve (31-33 determined Assigned is a section type and a reference speed-time history (21; 22) which depends on the type of section. With the parameters (Ax, Ax-y), based on the reference speed-time history (21; 22) For determining a predicted longitudinal guidance for a vehicle (10), the following steps are carried out: Determining a driving route of the vehicle (10), the driving route being from a current speed n position of the vehicle (10) extends to a target position of the route. Dividing the travel route into sections (41-45), wherein each of the sections (41-45) is assigned to a predetermined section type, each section (41-45) being assigned a reference speed-time profile (21; 22), which depends on the type of section of the respective section (41-45). Determining a probable speed-time curve (23) for each of the sections (41-45) by comparing the reference speed-time curve (21; 22) of the respective section (41-45) with parameters (Ax, Ax). y), which are dependent on a current driver, is applied to determine the probable speed-time curve (23) of the respective section (41-45). Determining the longitudinal guidance by means of the estimated speed-time curves (23) of the sections (41-45) of the driving route.