Importance

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Abstract

Vehicle with an occupant safety system for use in a crash involving the vehicle includes an occupant protection device, an inertial measurement unit (IMU) arranged to measure acceleration of the vehicle in three orthogonal directions and angular velocity of the vehicle about three orthogonal axes, the accelerations and angular velocities being measured at a substantially common location, and a processor coupled to the IMU for receiving the measured acceleration of the vehicle and the measured angular velocity of the vehicle. The processor determines whether the vehicle is experiencing a crash, and specifically, a rollover, and if so determines whether actuation of the occupant protection device is beneficial. If actuation is deemed beneficial, the processor generate a signal to actuation of the occupant protection device. The occupant protection device may be an inflatable airbag.

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First Claim