Rollover judging device

Details Rollover judging device Rollover judging device

2011-04-12

2011-04-12

Nguyen, Tan Q (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle diagnosis or maintenance indication

C701S045000, C701S091000, C280S005502

Reexamination Certificate

active

07925395

ABSTRACT:
A rollover judging device adjusts the magnitude of an angular velocity component ω of a vehicle in a direction of a rollover, which is measured by an angular velocity sensor1, by using an ω adjusting unit3con the basis of an acceleration component of the vehicle in its rightward or leftward direction or in its upward or downward direction, which is measured by an acceleration sensor2, calculates an angle component θo by integrating with respect to time this adjusted angular velocity component ωo by using an integrator3d, carries out predetermined multiplication and addition processes by using a judging means4on the basis of this angle component θo and the measured angular velocity component ω, and, when the result of this addition process exceeds a preset threshold Th, outputs a signal indicating judgment of occurrence of a rollover to an air bag control device5.

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