System and method for monitoring vibration isolators
First Claim
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1. A method for monitoring a vibration isolating connection, the method comprising:
- transmitting light from a light source along an optical path to be received by a single photon avalanche diode (SPAD) optical sensor, a length of the optical path being varied by deformation of the vibration isolating connection;
operating the light source to interleave a plurality of different modulation frequencies; and
determining from received light a value indicative of the length of the optical path.
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Abstract
A system may monitor a vibration isolating connection between a first part and a second part. The system may include a light source, an optical sensor mounted to receive light from the light source, and a processing unit for providing an output indicative of the deformation of the vibration isolating connection based on the output of the optical sensor.
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Citations
24 Claims
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1. A method for monitoring a vibration isolating connection, the method comprising:
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transmitting light from a light source along an optical path to be received by a single photon avalanche diode (SPAD) optical sensor, a length of the optical path being varied by deformation of the vibration isolating connection; operating the light source to interleave a plurality of different modulation frequencies; and determining from received light a value indicative of the length of the optical path. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for monitoring a bushing, the method comprising:
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transmitting light from a laser source along an optical path to be received by a single photon avalanche diode (SPAD) optical sensor, a length of the optical path being varied by deformation of the bushing; operating the laser source to interleave a plurality of different modulation frequencies; and determining from received light a value indicative of the length of the optical path. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A non-transitory computer readable medium for causing a computer system to execute a method comprising:
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transmitting light from a light source along an optical path to be received by a single photon avalanche diode (SPAD) optical sensor, a length of the optical path being varied by deformation of a vibration isolating connection; operating the light source to interleave a plurality of different modulation frequencies; and determining from received light a value indicative of the length of the optical path. - View Dependent Claims (21, 22, 23, 24)
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Specification