Soil trip vehicle rollover detection method

Details Soil trip vehicle rollover detection method Soil trip vehicle rollover detection method

2004-09-14

2008-08-12

Keith, Jack W (Department: 3663)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

C701S039000, C701S045000, C701S046000, C701S070000, C280S005501, C280S005502, C280S005506, C280S005507, C340S429000, C340S440000

Reexamination Certificate

active

07412314

ABSTRACT:
Impending rollover events are detected by recognizing a plow phase increase in lateral acceleration, coupled with a significant trip phase roll rate. The plow phase increase is recognized by modeling a typical soil trip lateral acceleration characteristic and computing a cross-correlation between the measured lateral acceleration and the modeled acceleration. The correlation is compared to a threshold that varies with the measured roll rate to reliably discriminate rollover events from near-rollover events while enabling timely deployment of suitable occupant restraints.

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Richard J. Higgins, “Digital Signal Processing in VLSI” Prentice-Hall 1990, USA, Section 8.3.2.

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