Hurst exponent based adaptive detection of DC arc faults in a vehicle high voltage system
US10680427B2 · kind B2 · utility
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10References
16Claims
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Key dates
| Filing date | Aug 25, 2017 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Dec 6, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H7/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Systems devices and methods are disclosed for detecting DC arc faults in a high voltage vehicle electrical distribution system. An example vehicle includes a high voltage electronic system comprising a current sensor configured to capture current data and a processor. The processor is configured to generate filtered data by applying a filter to the current data, determine a Hurst exponent based on the filtered data, and responsive to determining a threshold change in the Hurst exponent, detect the presence of a DC arc in the high voltage electronic system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.