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US 2022/0187349 A1Published application
Missing data correction method and apparatus
AssigneeElectronics and Telecommunications Research Institute
InventorsSewan HEO, Tai-yeon KU, Wan Ki PARK
Life of this patent
Estimating the term…
Abstract
Provided is a missing data correction method and apparatus, and more particularly, a missing data correction method that estimates missing power and energy from an electricity meter in consideration of a case in which power data and energy data collected from the electricity meter are missing and generates continuous power data according to the estimated power and energy.
Claims19
A missing data correction method comprising:
- collecting discontinuous power data and energy data from an electricity meter and determining missing sections of power data according to a power use;
- estimating missing power data in a collecting process corresponding to each of the missing sections;
- accumulating power data estimated in each of the missing sections over time, estimating energy data for each missing section, and calculating a total accumulation size;
- comparing an energy before and an energy after a corresponding missing section from the collected energy data and calculating a missing size of energy;
- comparing an accumulation size of the estimated energy data and a missing size of the collected energy data and determining a correction ratio corresponding to each of the missing sections;
- and
- correcting the estimated power data and energy data by applying the determined correction ratio to each of the missing sections.
4 more elements
A missing data correction apparatus comprising a processor,
- wherein the processor is configured to
- collect discontinuous power data and energy data from an electricity meter and determine missing sections of power data according to a power use,
- estimate missing power data in a collecting process corresponding to each of the missing sections,
- accumulate power data estimated in each of the missing sections over time, estimate energy data for each missing section, and calculate a total accumulation size,
- compare an energy before and an energy after a corresponding missing section from the collected energy data and calculate a missing size of energy,
- compare an accumulation size of the estimated energy data and a missing size of the collected energy data and determine a correction ratio corresponding to each of the missing sections,
- correct the estimated power data and energy data by applying the determined correction ratio to each of the missing sections, and
- generate continuous power data and energy data by substituting the corrected power data and energy data into a missing section of power data.
5 more elements
Dependencies are inferred from the claim text.