Validation of HDOP Measure for Impact Detection in Sensor Network-Based Structural Health Monitoring

被引：10

作者：

Akopian, David ^{[1
]}

Melkonyan, Arsen ^{[1
]}

Chen, C. L. Philip ^{[1
]}

机构：

[1] Univ Texas San Antonio, Dept Elect & Comp Engn, San Antonio, TX 78249 USA

来源：

IEEE SENSORS JOURNAL | 2009年 / 9卷 / 09期

关键词：

Acoustic position measurement; acoustic radiators; position measurement; LOCATION;

D O I：

10.1109/JSEN.2009.2026002

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

This paper studies the validity of horizontal dilution of precision (HDOP) measure to evaluate sensor network geometries when localizing impacts in structural health monitoring (SHM). First, HDOP is defined similarly to navigation applications. Even though several low-complexity closed-form solutions have been proposed recently, HDOP measure has been theoretically justified only for iterative least-squares approach. The localization errors of popular impact localization methods are experimentally collected and compared with HDOP data for validation. The experimental setup is also described. It is shown that HDOP, in general, correlates with the positioning error and can be used to characterize geometry.

引用

页码：1098 / 1102

页数：5

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