Dynamic Modeling and Calibration of the Acceleration Sensor Based on System Identification Theory

Fu Jing Xu; Tie Hua Ma

doi:10.4028/www.scientific.net/AMM.740.527

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 740Dynamic Modeling and Calibration of the...

Dynamic Modeling and Calibration of the Acceleration Sensor Based on System Identification Theory

Abstract:

In the process of acceleration dynamic measurement, the measurement results have quite large dynamic errors, due to the resonance of acceleration sensors. Using the system identification theory and combining with the dynamic calibration experimental data of acceleration calibration system based on Hopkinson bar, the dynamic model of the sensor is deduced, the dynamic compensation filter is designed. Simulation results show that the compensation filter can broaden the work band effectively. It improves the system dynamic response speed by nine times and advances the measuring accuracy of the test system.

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Periodical:

Applied Mechanics and Materials (Volume 740)

Pages:

527-530

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.740.527

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Online since:

March 2015

Authors:

Fu Jing Xu*, Tie Hua Ma

Keywords:

Digital Filtering, Dynamic Modeling, Hopkinson Bar, System Identification Theory

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