Method and device for sensing an imminent or possible collision

Details Method and device for sensing an imminent or possible collision Method and device for sensing an imminent or possible collision

1998-05-18

1999-09-07

Pihulic, Daniel T.

Communications: directive radio wave systems and devices (e.g.,

Return signal controls external device

Radar mounted on and controls land vehicle

G01S 1306

Patent

active

059493666

ABSTRACT:
A method and a device for sensing and analyzing an imminent collision of a motor vehicle with an obstacle. Using an FMCW radar method, obstacles are detected in the form of a spectral line. Via a proper filtering, time profiles of amplitude values of the spectral lines are produced and recorded. By comparing one actively recorded time profile to stored characteristic profiles, a lateral offset y between the motor vehicle and the obstacle is determined. Alternatively or in combination, the lateral offset can also be determined on the basis of characteristic profiles of relative velocity values.

REFERENCES:
patent: 3823399 (1974-07-01), Yamanaka et al.
patent: 3893114 (1975-07-01), Yamanaka et al.
patent: 4143370 (1979-03-01), Yamanaka et al.
patent: 5483242 (1996-01-01), Grein et al.
Fraunhofer Institute For Chemical Technology, "Airbag 2000", 3rd Internatonal Symposium, Nov. 26/27, 1996.

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