Method And System Of Monitoring And Prognostics
First Claim
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1. A method comprising:
- sensing periodic time based indicia;
sensing a plurality of sets of conditions associated with operation of a selected system at spaced apart timed intervals;
generating representations of the sensed conditions;
processing the representations along with at least some of the time based indicia, with at least one neural network with the network exhibiting a plurality of learned states with each state corresponding to a respective set of sensed conditions; and
combining results of the processing, and responsive to the combining, producing at least one of an alarm indicator, or, a control signal, where processing includes comparing time evolution of sensed conditions with learned time evolution of operation of the selected system.
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Abstract
A neural network learns the operating modes of a system being monitored under normal operating conditions. Anomalies can be automatically detected and learned. A control command can be issued or an alert can be issued in response thereto.
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Citations
23 Claims
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1. A method comprising:
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sensing periodic time based indicia;
sensing a plurality of sets of conditions associated with operation of a selected system at spaced apart timed intervals;
generating representations of the sensed conditions;
processing the representations along with at least some of the time based indicia, with at least one neural network with the network exhibiting a plurality of learned states with each state corresponding to a respective set of sensed conditions; and
combining results of the processing, and responsive to the combining, producing at least one of an alarm indicator, or, a control signal, where processing includes comparing time evolution of sensed conditions with learned time evolution of operation of the selected system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A system for monitoring an operating device comprising:
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at least one sensor for sensing a device related parameter;
at least one neural network for learning the normal time-and mode-based characteristics of the operating device, the neural network having an input port for receipt of information from a displaced computer network and an output port to transmit information to a displaced computer network, the neural network suitable for receiving and processing representations of sensor output information and time indicating indicia and creating stored internal representations thereof where the neural network automatically detects anomalies in the normal characteristics of the operating device by detecting time-based representations that deviate from the stored internal representations in accordance with at least one pre-established criterion. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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18. A method for monitoring an operating device comprising:
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sensing a device related parameter;
learning normal time-and mode-based characteristics of the operating device by receiving and processing representations of sensor output information and time indicating indicia and creating stored internal representations thereof; and
detecting anomalies in the normal characteristics of the operating device by detecting time-based representations that deviate from stored internal representations in accordance with at least one pre-established criterion. - View Dependent Claims (19, 20, 21, 22, 23)
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Specification