Multiple-point vibration testing with micro-electromechanical accelerometers and micro-controller unit

被引：11

作者：

Chan, Yum Ji ^{[1
]}

Huang, Jing-Wei ^{[1
,2
]}

机构：

[1] Natl Chung Hsing Univ, Dept Mech Engn, Xing Da Rd, Taichung 40227, Taiwan

[2] Gallant Precis Machining Co Ltd, Cent Taiwan Sci Pk, Taichung, Taiwan

来源：

MECHATRONICS | 2017年 / 44卷

关键词：

MEMS Accelerometers; Multiple point measurements; Vibration monitoring;

D O I：

10.1016/j.mechatronics.2017.04.006

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A two-point vibration measurement system with bandwidth of 500 Hz has been constructed using low-cost standardized components, including MPU-6050 microelectrical-mechanical system (MEMS) accelerometers and a microprocessor unit. Methods to tackle sampling frequency stability and jitter in the proposed system are described. Compared with the upper frequency limit of 15 Hz in previous studies, operating deflection shapes (ODSs) up to 88 Hz are successfully identified (with mode assurance criterion (MAC) values exceeding 0.85) on a milling machine using the proposed system. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：84 / 93

页数：10

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