Method for triggering restraining means in a motor vehicle
First Claim
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1. A method for triggering a restraining device in a motor vehicle, comprising:
- detecting a crash as a function of at least one first sensor signal from at least one first vehicle sensor;
implementing a categorization of a vehicle occupant on the basis of at least one second sensor signal from at least one second vehicle sensor;
determining a crash severity on the basis of at least one triggering event corresponding to at least one of a frontal impact, a side impact, a rear impact, and a vehicle roll-over detected in accordance with the at least one first sensor signal;
linking the categorization of the vehicle occupant and the crash severity in order to trigger the restraining device required for the vehicle occupant;
additionally determining the crash severity as a function of a crash type, which is ascertained on the basis of a feature extracted from the at least one first sensor signal, in that a difference is formed between the extracted feature and a stored feature; and
comparing the difference to a predefined threshold value.
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Abstract
A method for triggering a restraining device in a motor vehicle is proposed, where a crash severity and an occupant categorization are implemented independently of each other. By linking the crash severity with the occupant categorization, the restraining device required for the vehicle occupants is triggered. The crash severity is subdivided in accordance with the triggering events frontal impact, side impact, rear impact or vehicle roll-over. A decisive advantage is that the crash severity is implemented independently of the occupant categorization.
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Citations
6 Claims
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1. A method for triggering a restraining device in a motor vehicle, comprising:
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detecting a crash as a function of at least one first sensor signal from at least one first vehicle sensor; implementing a categorization of a vehicle occupant on the basis of at least one second sensor signal from at least one second vehicle sensor; determining a crash severity on the basis of at least one triggering event corresponding to at least one of a frontal impact, a side impact, a rear impact, and a vehicle roll-over detected in accordance with the at least one first sensor signal; linking the categorization of the vehicle occupant and the crash severity in order to trigger the restraining device required for the vehicle occupant; additionally determining the crash severity as a function of a crash type, which is ascertained on the basis of a feature extracted from the at least one first sensor signal, in that a difference is formed between the extracted feature and a stored feature; and comparing the difference to a predefined threshold value. - View Dependent Claims (2, 3, 4)
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5. A system for triggering a restraining device in a motor vehicle, comprising:
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at least one first sensor; at least one second sensor; and a processor connected to the at least one first sensor and the at least one second sensor, the processor determining a crash severity and implementing a categorization of a vehicle occupant on the basis of at least one first control signal and at least one second control signal, wherein; the processor links the crash severity and the categorization of the vehicle occupant in order to trigger the restraining device, the processor additionally determines the crash severity as a function of a crash type that the processor determines on the basis of a feature extracted from the at least one first control signal, the processor forms a difference between the extracted feature and a stored feature, and the processor compares the difference to a threshold value. - View Dependent Claims (6)
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Specification