Investigation on Acceleration Effect Calibration Method of Piezoresistive Pressure Sensor Based on System Identification

被引：2

作者：

Chao, D. ^{[1
]}

Chunjun, C. ^{[1
,2
]}

Yuxiao, C. ^{[1
]}

机构：

[1] Southwest Jiaotong Univ, Sch Mech Engn, Chengdu 610031, Peoples R China

[2] Technol & Equipment Rail Transit Operat & Mainten, Chengdu 610031, Peoples R China

来源：

EXPERIMENTAL TECHNIQUES | 2023年 / 47卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Piezoresistive pressure sensor; Acceleration effect; Calibration; System identification; OPTIMIZATION;

D O I：

10.1007/s40799-022-00584-3

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The surface fluctuaton pressure test of high-speed train is always accompanied by vibration of train body. Aiming at the acceleration-induced effects of pressure sensor, an experimental system for acceleration-induced effect of piezoresistive pressure sensor based on air storage tank is built. The dynamic model of piezoresistive pressure sensor under vibration load and pressure load is analyzed. Combined with the test, the corresponding transfer function model is obtained by using instrumental variable(IV) method and system identification theory(SIT). A digital compensation strategy for acceleration-induced effects was designed on the basis of this model.

引用

页码：1047 / 1057

页数：11

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