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Method, system, and device for monitoring operations of a system asset

  • US 10,303,162 B2
  • Filed: 04/20/2018
  • Issued: 05/28/2019
  • Est. Priority Date: 10/31/2012
  • Status: Active Grant
First Claim
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1. A device for use in monitoring operation of a system asset, said device comprising:

  • an interface for receiving sensor data representative of an operating condition of a system asset being monitored;

    a memory device for storing the sensor data; and

    a processor coupled to said interface and to said memory device, said processor configured to;

    create a hierarchy of sensor data within said memory device, wherein the hierarchy includes a first tier and a second tier;

    store a first level of the sensor data in the first tier, the first level of the sensor data including a plurality of samples, each sample including a value of a measured operating condition of the monitored system asset, a status of the sensor data, and a time stamp indicative of a time of receipt of the sensor data by the processor wherein the status of the sensor data is represented by a status data structure in which a bit is set based on a detected status event associated with the status bit;

    generate a second level of the sensor data including a plurality of second level summaries, each second level summary including,a second level status compilation combining the status of each sample received by the processor during respective predetermined time periods according to a bitwise logical OR of the bits of each status data structure of each sample; and

    at least one second level statistical abstract of samples received by the processor during the respective predetermined time periods; and

    store the second level of the sensor data in the second tier.

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