ANOMALY DETECTION AND DIAGNOSTICS BASED ON MULTIVARIATE ANALYSIS
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United States of America Patent
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Issued Date -
Dec 7, 2023
app pub date -
May 17, 2023
filing date -
May 17, 2023
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Abstract
Anomalies in a target object can be detected and diagnosed using improved Mahalanobis-Taguchi system (MTS) techniques. For example, an anomaly detection and diagnosis (ADD) system can receive a set of measurements associated with attributes of a target object. A Mahalanobis distance (MD) can be determined using a generalized inverse matrix. An abnormal condition can be detected when the MD is greater than a predetermined threshold value. The ADD system can determine an importance score for each measurement of a corresponding attribute. The attribute whose measurement has the highest importance score can be determined to be responsible for the abnormal condition.
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