Patent ID: 11867771
Assignee: INFINEON TECHNOLOGIES AG
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 17:
18. A non-transitory computer-readable medium comprising program code that when executed by a processor causes the processor to perform a method for detecting an arc, wherein the program code causes the processor to:
apply a first wavelet transformation with a first mother wavelet to a chronological sequence of current measurements of a current through a lead, to obtain first wavelet coefficients,
apply a second wavelet transformation with a second mother wavelet different from the first mother wavelet to the chronological sequence of current measurements to obtain second wavelet coefficients, and
determine whether an arc is present based on the first wavelet coefficients and the second wavelet coefficients, wherein the program code further causes the processor to:
form a set of first values based on the first wavelet coefficients, wherein a number of the first values is less than a number of the first wavelet coefficients, and/or
form a set of second values based on the second wavelet coefficients, wherein a number of the second values is less than a number of the second wavelet coefficients, and/or
form a set of third values based on third wavelet coefficients, wherein a number of third values is less than a number of the third wavelet coefficients, and
determine whether the arc is present is based on the first values, the second values and/or the third values.