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access icon openaccess Absolute calibration device of the vibration sensor

This is an open access article published by the IET under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/)
Received 12/10/2018, Accepted 09/01/2019, Published 25/03/2019

Vibration sensor calibration is performed using the absolute calibration method and the comparison calibration method. The comparative calibration method is used to take a carefully calibrated benchmark to the measured sensor and the vibration sensor for a contrast test, the use of standard sensors requires regular inspection to traceability to national standards to ensure the reliability and accuracy of dissemination. From the measurement perspective, using the absolute calibration method to calibrate a laser interference vibration acceleration sensor can achieve high precision, wide field, high reliability calibration to ensure the sensor of high accuracy, vibration signal high reliability is of great significance. The vibration method of absolute calibration is based on laser interference technology research, put forward in the development of the laser absolute method based on the technology of vibration calibration device, a further optimised method of the absolute calibration device, the mathematical model is used to improve the technical indicators and to provide reliable technical guarantee for vibration transducer calibration.

Inspec keywords: light interference; transducers; measurement by laser beam; measurement standards; reliability; vibration measurement; acceleration measurement; calibration; sensors

Other keywords: vibration transducer calibration method; vibration calibration device; mathematical model; vibration sensor calibration method; laser interference vibration acceleration sensor; laser absolute method; reliability; optimised method

Subjects: Metrological applications of lasers; Mechanical variables measurement; Sensing and detecting devices; Metrological applications of lasers; Sensing devices and transducers; Measurement standards and calibration; Transducers; Measurement of mechanical variables; Optical interference and speckle; Velocity, acceleration and rotation measurement; Velocity, acceleration and rotation measurement; Measurement standards and calibration; Reliability

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http://iet.metastore.ingenta.com/content/journals/10.1049/joe.2018.9091
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