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Engine and electrical machine health monitoring

  • US 10,442,547 B2
  • Filed: 06/22/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 06/22/2017
  • Status: Active Grant
First Claim
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1. A method for monitoring the health of at least one of a prime mover and an electrical machine coupled with the prime mover, the method comprising:

  • pulsing the electrical machine to induce a change in torque on the electrical machine;

    measuring a response to the change in torque on the electrical machine caused by pulsing of the electrical machine, the response indicative of a change in one or more operating parameters of the prime mover; and

    determining a health estimate of at least one of the electrical machine and the prime mover based at least in part on the response.

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