基于正弦激励的压电加速度计模型参数辨识

doi:10.3969/j.issn.1000-1158.2020.01.11

Abstract
Figure/Table
References (15)
Related Citation (15)

Download: PDF (367 KB) HTML (1 KB)
Export: BibTeX | EndNote (RIS)

Abstract A novel approach was proposed for calibration of accelerometers by model-based parameter identification, aimed for the problem that mostly used method for accelerometers calibration cant satisfy requirements for dynamic mechanical quantity in reality. The model consisted of a linear, second-order differential equation with unknown coefficients. It was proposed to estimate these model parameters from primary vibration calibration, and an estimation procedure based on linear least-squares was presented. The uncertainties associated with the estimated results were determined utilizing a Monte Carlo simulation technique. The model obtained was used to predict the accelerometers behavior for shock acceleration, measured and predicted results were consistent with difference below 1%, which confirmed the validity of the method.

Key words： metrology accelerometer primary vibration calibration dynamic characteristics least-squares method Monte Carlo method

Received: 16 July 2018 Published: 19 December 2019

PACS:

TB936

	Service

	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	LU Min
	HU Hong-bo

Cite this article:

LU Min,HU Hong-bo. Calibration of Piezoelectric Accelerometers Dynamic Characteristics using Primary Vibration Calibration[J]. Acta Metrologica Sinica, 2020, 41(1): 55-59.

URL:

http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2020.01.11 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2020/V41/I1/55