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Data acquisition system for condition-based maintenance

  • US 8,442,778 B2
  • Filed: 11/21/2011
  • Issued: 05/14/2013
  • Est. Priority Date: 11/16/2009
  • Status: Active Grant
First Claim
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1. A method of determining an estimate of a remaining useful life of a monitored component of rotating machinery, the method comprising:

  • providing a data acquisition system mounted on rotating machinery, said data acquisition system comprising;

    a plurality of separate sensor modules, each of said plurality of separate sensor modules being associated with one of a plurality of separate components of said rotating machinery, each sensor module comprising;

    at least one sensor directly coupled to said separate respective component of said rotating machinery; and

    at least one interface module coupled to said at least one sensor and configured to receive said sensor data from said at least one sensor;

    detecting a parameter associated with a condition of a selected one of said plurality of separate components or a component indirectly coupled thereto using a sensor of an associated one of said plurality of separate sensor modules and providing sensor output data from said sensor to an associated interface module based at least in part on said parameter;

    analyzing said sensor output data;

    generating module output data based at least in part on said sensor output data, said module output data comprising a representation of said condition of said selected one of said plurality of separate components or said component indirectly coupled thereto;

    providing said module output data to a server, andestimating remaining useful life of said selected one of said plurality of components or said component indirectly coupled thereto based at least in part on a representation of a condition of said selected one of said plurality of components or said component indirectly coupled thereto.

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