Determining Severity of a Geomagnetic Disturbance on a Power Grid Using Similarity Measures
First Claim
1. A method, comprising:
- extracting multiple features of activity associated with geomagnetically induced currents from multiple heterogeneous data streams, wherein said extracting is executed by a feature extractor component of a computing device;
comparing the multiple extracted features to historical data related to geomagnetically induced currents to determine a level of similarity between each of the multiple extracted features and one or more items of the historical data, wherein said comparing is executed by the computing device;
assigning a level of severity to one or more of the multiple extracted features having a level of similarity with one or more items of the historical data above a given threshold, wherein said assigning is executed by the computing device; and
generating a notification comprising (i) a prediction of activity associated with geomagnetically induced currents based on the one or more extracted features having a level of similarity with one or more items of the historical data above the given threshold, and (ii) the level of severity assigned to each of the one or more extracted features, wherein said generating is executed by the computing device.
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Abstract
Methods, systems, and computer program products for determining severity of a geomagnetic disturbance on a power grid using similarity measures are provided herein. A method includes extracting multiple features of activity associated with geomagnetically induced currents from multiple heterogeneous data streams; comparing the extracted features to historical data related to geomagnetically induced currents to determine a level of similarity between each of the extracted features and the historical data; assigning a level of severity to one or more of the extracted features having a level of similarity with the historical data above a given threshold; and generating a notification comprising (i) a prediction of activity associated with geomagnetically induced currents based on the extracted features having a level of similarity with the historical data above the given threshold, and (ii) the level of severity assigned thereto.
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Citations
20 Claims
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1. A method, comprising:
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extracting multiple features of activity associated with geomagnetically induced currents from multiple heterogeneous data streams, wherein said extracting is executed by a feature extractor component of a computing device; comparing the multiple extracted features to historical data related to geomagnetically induced currents to determine a level of similarity between each of the multiple extracted features and one or more items of the historical data, wherein said comparing is executed by the computing device; assigning a level of severity to one or more of the multiple extracted features having a level of similarity with one or more items of the historical data above a given threshold, wherein said assigning is executed by the computing device; and generating a notification comprising (i) a prediction of activity associated with geomagnetically induced currents based on the one or more extracted features having a level of similarity with one or more items of the historical data above the given threshold, and (ii) the level of severity assigned to each of the one or more extracted features, wherein said generating is executed by the computing device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A computer program product, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, the program instructions executable by a computing device to cause the computing device to:
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extract multiple features of activity associated with geomagnetically induced currents from multiple heterogeneous data streams; compare the multiple extracted features to historical data related to geomagnetically induced currents to determine a level of similarity between each of the multiple extracted features and one or more items of the historical data; assign a level of severity to one or more of the multiple extracted features having a level of similarity with one or more items of the historical data above a given threshold; and generate a notification comprising (i) a prediction of activity associated with geomagnetically induced currents based on the one or more extracted features having a level of similarity with one or more items of the historical data above the given threshold, and (ii) the level of severity assigned to each of the one or more extracted features. - View Dependent Claims (15, 16, 17, 18)
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19. A system comprising:
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a memory; and at least one processor coupled to the memory and configured for; extracting multiple features of activity associated with geomagnetically induced currents from multiple heterogeneous data streams; comparing the multiple extracted features to historical data related to geomagnetically induced currents to determine a level of similarity between each of the multiple extracted features and one or more items of the historical data; assigning a level of severity to one or more of the multiple extracted features having a level of similarity with one or more items of the historical data above a given threshold; and generating a notification comprising (i) a prediction of activity associated with geomagnetically induced currents based on the one or more extracted features having a level of similarity with one or more items of the historical data above the given threshold, and (ii) the level of severity assigned to each of the one or more extracted features.
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20. A geomagnetically induced currents notification device comprising:
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a feature extractor component, executing on the geomagnetically induced currents notification device, to extract multiple features of activity associated with geomagnetically induced currents from multiple heterogeneous data streams; and a feature selector and comparator component, coupled to the feature extractor component, and executing on the geomagnetically induced currents notification device, to; compare the multiple extracted features to historical data related to geomagnetically induced currents to determine a level of similarity between each of the multiple extracted features and one or more items of the historical data; assign a level of severity to one or more of the multiple extracted features having a level of similarity with one or more items of the historical data above a given threshold; and generate a notification comprising (i) a prediction of activity associated with geomagnetically induced currents based on the one or more extracted features having a level of similarity with one or more items of the historical data above the given threshold, and (ii) the level of severity assigned to each of the one or more extracted features; wherein the feature extractor component and the feature selector and comparator component are coupled to (i) a central processing node configured to capture data from multiple heterogeneous data sources, and (ii) a display for presentation of the notification to a user.
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Specification