FIELD: physics.
SUBSTANCE: first vibration data are collected from the first sensor associated with the process control device during calibration; the operating threshold of the control device is calculated based on the first vibration data; the operation data regarding the control device are collected. The operation data indicate the resource associated with the control device. The operational threshold is updated, based on the specified operation data. The updated operational threshold indicates a reduced remaining resource associated with the control device. The second vibration data from the first sensor are collected after the vibration monitoring circuit is calibrated and the state of the process control device is determined if the second vibration data exceed the updated operational threshold.
EFFECT: performance of the control device is improved.
23 cl, 7 dwg
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