| 摘要 |
A rollover determination apparatus for vehicles includes a roll-angular-velocity sensor ( 1 ) for detecting, as a roll angular velocity, the rotational angular velocity of a vehicle about a longitudinal axis extending lengthwise through the vehicle, an upward-or-downward-acceleration sensor ( 2 ) for detecting, as an upward or downward acceleration, an acceleration in an upward or downward direction of the vehicle, an arithmetic processing unit ( 4 a) for carrying out arithmetic processing on both the roll angular velocity detected by the roll-angular-velocity sensor ( 1 ) and the upward or downward acceleration detected by the upward-or-downward-acceleration sensor ( 2 ), and a rollover occurrence determining unit ( 4 b) for determining whether the vehicle will roll over based on a processing result of the arithmetic processing unit ( 4 a).
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