Roll angle plausibility detection
First Claim
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1. A method of detecting a vehicle rollover condition, comprising:
- determining whether an acceleration value corresponding to a determined roll angle based on a roll angular rate sensor output is within an expected range.
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Abstract
A vehicle safety system (20) includes a controller (24) that verifies the plausibility of a roll angle indication obtained by processing a roll angular rate sensor (26) output. The controller (24) determines whether an acceleration value corresponding to the roll angle indication is within an expected range. In a disclosed example, the controller (24) utilizes a vertical acceleration value and a first expected range and a lateral acceleration value and a second expected range. When both of the acceleration values are outside of the respective expected range, the controller determines that the roll angle indication is invalid.
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20 Claims
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1. A method of detecting a vehicle rollover condition, comprising:
determining whether an acceleration value corresponding to a determined roll angle based on a roll angular rate sensor output is within an expected range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A device for processing vehicle rollover information, comprising:
a controller that determines whether a roll angle value is valid by determining whether a corresponding vehicle acceleration value is within an expected range. - View Dependent Claims (11, 12, 13)
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14. A system for detecting a rollover of a vehicle, comprising:
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at least one roll angular rate sensor;
at least one acceleration sensor; and
a controller that determines a roll angle based on an output from the at least one roll angular rate sensor and determines whether the determined roll angle is valid by determining whether a corresponding output from the at least one acceleration sensor is within an expected range. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification