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Instrument Calibration

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Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
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Dynamic Calibration of Quartz Flexure Accelerometers.

Xuan Sheng¹, Xizhe Wang¹, Wenying Chen¹

¹Institute of Systems Engineering, China Academy of Engineering Physics, Mianyang 621999, China.

Sensors (Basel, Switzerland)

|August 28, 2025

Summary

A new dynamic calibration model improves the accuracy of quartz flexure accelerometers. This dynamic calibration method precisely measures accelerometer performance under dynamic acceleration, overcoming limitations of static models.

Keywords:

calibration method dual-axis precision centrifuge dynamic behavior quartz flexure accelerometers

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Area of Science:

Instrumentation and Measurement
Mechanical Engineering
Physics

Background:

Dynamic behavior of quartz flexure accelerometers requires further investigation.
Conventional static calibration models are insufficient for dynamic acceleration excitation.
Accurate dynamic modeling and calibration are crucial for performance evaluation.

Purpose of the Study:

To propose a dynamic calibration model for quartz flexure accelerometers.
To develop and validate a dynamic calibration method.
To enhance the accuracy of accelerometer calibration under dynamic conditions.

Main Methods:

Developed a mathematical model based on the accelerometer's physical mechanism.
Conducted simulation-based analysis to compare dynamic and static models.
Designed and validated a dynamic calibration method using a dual-axis precision centrifuge.

Main Results:

The proposed dynamic model significantly improves accuracy over static approaches.
The dynamic calibration method enables precise calibration of quartz flexure accelerometers.
The dynamic parameter calibration achieved a relative standard deviation of -0.048%.

Conclusions:

The developed dynamic calibration model accurately represents accelerometer responses under dynamic excitation.
The proposed dynamic calibration method is effective for precise accelerometer calibration.
This work advances the understanding and calibration of quartz flexure accelerometers.