METHOD OF DETECTING ANOMALIES ON APPLIANCES AND SYSTEM THEREOF
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United States of America Patent
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Issued Date -
Nov 2, 2017
app pub date -
May 2, 2016
filing date -
May 2, 2016
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Abstract
A method, system and computer program product, the method comprising: obtaining transition probabilities, each transition probability associated with transition of a home appliance between states; receiving sensor readings indicating behavior of the home appliance; identifying by the processor a transition event occurring in the sensor readings; determining by the processor a source cluster and a destination cluster associated with the transition event; determining by the processor a duration indicator associated with the transition event; determining by the processor a transition probability by looking up in the transition probabilities, a probability associated with the duration indicator, the source cluster and the destination cluster; comparing by the processor the transition probability to a threshold; and responsive to the transition probability exceeding a threshold, providing an indication of abnormal behavior of the home appliance to a user.
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