B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 22/48 (2006.01) B60R 21/01 (2006.01) B60R 21/32 (1995.01)
Patent
CA 2152375
A process for controlling the control unit of a system for protecting vehicle occupants with a view to triggering the protection system if the accident is sufficiently serious. The control unit contains one or more sensors, which supply sensor signals during the accident, and a computing unit. During the accident, the latter establishes on the basis of the sensor signals one ACTUAL value or a plurality of different ACTUAL values characterizing the course of the accident. It also automatically and continuously redefines in each case a time-variable triggering threshold value, which is namely dependent directly or indirectly on the changes in the sensor signals during the course of the accident. Said computing unit compares one or more ACTUAL values with the triggering threshold value respectively assigned to the ACTUAL value. However, on the basis of the progression of the ACTUAL value/ACTUAL values, it defines the triggering threshold value at any instant in such a way that it changes in a fluctuating manner at least during an accident phase, namely without delay in dependence on the instantaneous value of the ACTUAL value/ACTUAL values, even if during this accident phase there occur constantly major decelerations without the direction collision altering.
Bischoff Michael
Guggenberger Johann
Leirich Oskar
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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