METHOD AND DEVICE FOR THE DETERMINATION OF AT LEAST ONE TRIGGERING PARAMETER OF PERSONAL PROTECTION MEANS OF A VEHICLE
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Abstract
A method to determine at least one triggering parameter of personal protection device of a vehicle using pattern signal curves of a possible signal of a sensor for a physical variable. The pattern signal curves replicating a curve over time of the physical variable upon impact of an object on the vehicle at a different location on the vehicle and/or upon impact of the object on the vehicle at a different angle. A sensor signal is read which represents the physical variable measured by a sensor. Values of a curve over time of the sensor signal are compared to values of the at least two pattern signal curves, that pattern signal curve being selected which, in at least one time segment of the pattern signal curve or one scaled form of the pattern signal curve has a lower deviation from the curve over time of the sensor signal.
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Citations
20 Claims
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1-10. -10. (canceled)
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11. A method for the determination of at least one triggering parameter of a personal protection device of a vehicle, comprising:
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providing at least two pattern signal curves of a possible signal of a sensor for a physical variable, each of the pattern signal curves replicating a curve over time of a physical variable upon at least one of impact of an object on the vehicle at a different location on the vehicle, and impact of the object on the vehicle at a different angle, at least one triggering parameter being assigned to each of the pattern signal curves for an algorithm for triggering the personal protection device; reading in a sensor signal which represents the physical variable measured by a sensor; comparing values of a curve of the sensor signal over time to values of the at least two pattern signal curves, and selecting a pattern signal curve of the at least two pattern signal curves which, in at least one time segment of the pattern signal curve or one scaled form of the pattern signal curve, has a lower deviation from the curve over time of the sensor signal; and ascertaining the at least one triggering parameter of the selected pattern signal curve for the algorithm for triggering the personal protection device. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A device for determination of at least one triggering parameter of a personal protection device of a vehicle, comprising:
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a unit configured to provide at least two pattern signal curves of a possible signal of a sensor for a physical variable, each of the pattern signal curves replicating a curve over time of the physical variable at least one of upon impact of an object on the vehicle at a different location on the vehicle, and upon impact of the object on the vehicle at a different angle, at least one triggering parameter being assigned to each of the pattern signal curves for an algorithm for triggering the personal protection device; a unit configured to read in a sensor signal which represents the physical variable measured by a sensor; a unit configured to compare values of a curve of the sensor signal over time to values of the at least two pattern signal curves, and to select one of the pattern signal curves which, in at least one time segment of one of the pattern signal curve or one scaled form of the pattern signal curve, has a lower deviation from the curve of the sensor signal over time; and a unit configured to ascertain the at least one triggering parameter of the selected pattern signal curve for an algorithm for triggering the personal protection device.
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20. A computer readable storage medium storing program code for the determination of at least one triggering parameter of a personal protection device of a vehicle, the code, when executed by a processor, causing the processor to perform the steps of:
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providing at least two pattern signal curves of a possible signal of a sensor for a physical variable, each of the pattern signal curves replicating a curve over time of a physical variable upon at least one of impact of an object on the vehicle at a different location on the vehicle, and impact of the object on the vehicle at a different angle, at least one triggering parameter being assigned to each of the pattern signal curves for an algorithm for triggering the personal protection device; reading in a sensor signal which represents the physical variable measured by a sensor; comparing values of a curve of the sensor signal over time to values of the at least two pattern signal curves, and selecting a pattern signal curve of the at least two pattern signal curves which, in at least one time segment of the pattern signal curve or one scaled form of the pattern signal curve has a lower deviation from the curve over time of the sensor signal; and ascertaining the at least one triggering parameter of the selected pattern signal curve for the algorithm for triggering the personal protection device.
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Specification