Network delay-weighted least squares localization algorithm with taylor expansion based on acoustic emission

被引：0
作者：
Wang Y. [1 ]
Ma Y. [1 ]
Bai F. [1 ]
Liu P. [1 ]
机构：
[1] College of Mechanical Engineering, Inner Mongolia University of Technology, Hohhot
来源：
International Journal of Performability Engineering | 2019年 / 15卷 / 01期
关键词：
Acoustic emission; Localization accuracy; Network delay;
D O I：
10.23940/ijpe.19.01.p21.209219
中图分类号：
学科分类号：
摘要：
As a dynamic non-destructive testing technology, acoustic emission (AE) detection technology can locate the early damage of equipment and provide data support for health management. In order to improve the accuracy of wireless AE-based location, this paper proposes a Taylor expansion least squares algorithm to concern network delay. Firstly, according to the planar four-point positioning structure, a wireless AE detection system based on star topology is constructed, and the Taylor expanded least squares localization algorithm is then proposed. Secondly, the network queuing delay is analyzed, and the algorithm is modified with weighting factors of delay. Finally, simulation results show that the accuracy of the network delay-weighted algorithm has been improved. © 2019 Totem Publisher, Inc. All rights reserved.
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收藏
页码：209 / 219
页数：10
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