System for detecting a wheel motion
First Claim
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1. A method for detecting a rolling motion of a wheel in a motor vehicle, comprising:
- recording over a specified period of time, using at least one sensor element, a wheel acceleration variable characterizing a wheel acceleration;
scanning the recorded wheel acceleration variable at multiple scanning points in time in a predetermined cycle of non-equidistant points in time including at least three scanning points in time; and
detecting the presence of a rolling motion of a wheel with the aid of the scanned values of the recorded wheel acceleration variable;
wherein the non-equidistant scanning points in time are sequentially arranged within the predetermined cycle such that successive time intervals between two adjacent scanning points in time decrease.
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Abstract
In a method for detecting a rolling motion of a wheel in a motor vehicle, a wheel acceleration variable characterizing a wheel acceleration is recorded using at least one sensor element, the wheel acceleration variable is scanned at various scanning points in time, and the presence of a rolling motion is detected with the aid of the scanned values. The wheel acceleration variable is scanned in a cycle, including at least three scanning points in time, of nonequidistant points in time.
6 Citations
26 Claims
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1. A method for detecting a rolling motion of a wheel in a motor vehicle, comprising:
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recording over a specified period of time, using at least one sensor element, a wheel acceleration variable characterizing a wheel acceleration; scanning the recorded wheel acceleration variable at multiple scanning points in time in a predetermined cycle of non-equidistant points in time including at least three scanning points in time; and detecting the presence of a rolling motion of a wheel with the aid of the scanned values of the recorded wheel acceleration variable; wherein the non-equidistant scanning points in time are sequentially arranged within the predetermined cycle such that successive time intervals between two adjacent scanning points in time decrease. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for detecting a rolling motion of a wheel in a motor vehicle, the method comprising:
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recording over a specified period of time, using at least one sensor element, a wheel acceleration variable characterizing a wheel acceleration; scanning the recorded wheel acceleration variable at multiple scanning points in time in a predetermined cycle of non-equidistant points in time including at least three scanning points in time and detecting the presence of a rolling motion of a wheel with the aid of the scanned values of the recorded wheel acceleration variable; wherein the detection of the presence of the rolling motion of the wheel includes; ascertaining, by the scanning, the maximum value of the recorded wheel acceleration variable within the predetermined cycle; ascertaining, by the scanning, the minimum value of the recorded wheel acceleration variable within the predetermined cycle; ascertaining the difference between the maximum value and the minimum value of the recorded wheel acceleration variable; and detecting the presence of the rolling motion using the ascertained difference. - View Dependent Claims (13)
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14. A device for detecting a rolling motion of a wheel in a motor vehicle, comprising:
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a recording arrangement to record over a specified period of time, using at least one sensor element, a wheel acceleration variable characterizing a wheel acceleration; a scanning arrangement to scan the recorded wheel acceleration variable at multiple scanning points in time in a predetermined cycle of non-equidistant points in time including at least three scanning points in time; and a detecting arrangement to detect the presence of a rolling motion of a wheel with the aid of the scanned values of the recorded wheel acceleration variable; wherein the non-equidistant scanning points in time are sequentially arranged within the predetermined cycle such that successive time intervals between two adjacent scanning points in time decrease. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A device for detecting a rolling motion of a wheel in a motor vehicle, comprising:
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a recording arrangement to record over a specified period of time, using at least one sensor element, a wheel acceleration variable characterizing a wheel acceleration; a scanning arrangement to scan the recorded wheel acceleration variable at multiple scanning points in time in a predetermined cycle of non-equidistant points in time including at least three scanning points in time; and a detecting arrangement to detect the presence of a rolling motion of a wheel with the aid of the scanned values of the recorded wheel acceleration variable; wherein the detection of the presence of the rolling motion of the wheel includes ascertaining, by the scanning, the maximum value of the recorded wheel acceleration variable within the predetermined cycle, ascertaining, by the scanning, the minimum value of the recorded wheel acceleration variable within the predetermined cycle, ascertaining the difference between the maximum value and the minimum value of the recorded wheel acceleration variable, and detecting the presence of the rolling motion using the ascertained difference.
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Specification