System, method, and apparatus for using the sound signature of a device to determine its operability
First Claim
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1. A system for monitoring the operation a power system device for the occurrence of an abnormal event comprising:
- i) a microphone acoustically coupled to the power system device, the microphone producing an analog signal corresponding to sound waves observed by the microphone;
ii) an analog-to-digital converter for receiving the analog signal and producing a digital signal corresponding to the analog signal;
iii) a processor comprising a memory, configured to;
receive the digital signal;
record in the memory a normal event sound signature corresponding to an operation of the power system device; and
,determine whether the abnormal event has occurred.
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Abstract
A system for monitoring the operation of one or more devices is provided. The system includes a microphone acoustically coupled to one the monitored device. An analog-to-digital-converter samples the microphone and a processor examines the resultant digital signal for the occurrence of an abnormal event.
17 Citations
17 Claims
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1. A system for monitoring the operation a power system device for the occurrence of an abnormal event comprising:
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i) a microphone acoustically coupled to the power system device, the microphone producing an analog signal corresponding to sound waves observed by the microphone; ii) an analog-to-digital converter for receiving the analog signal and producing a digital signal corresponding to the analog signal; iii) a processor comprising a memory, configured to; receive the digital signal; record in the memory a normal event sound signature corresponding to an operation of the power system device; and
,determine whether the abnormal event has occurred. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification