Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System

Location and characterization of a buried target from its electromagnetic induction response is a key problem for unexploded ordnance (UXO) detection. This article focuses on the influence of target size, depth, and orientation on its location and characterization on the basis of single dipole model...

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Autores principales:	Shudong Chen, Shuang Zhang, Hejun Jiang, Jun Zhu
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2020
Materias:	Unexploded ordnance electromagnetic induction transient electromagnetic system differential evolution algorithm dipole model Electrical engineering. Electronics. Nuclear engineering TK1-9971
Acceso en línea:	https://doaj.org/article/980f9c5b63da4d319a7447ab9bbee66c
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spelling	oai:doaj.org-article:980f9c5b63da4d319a7447ab9bbee66c2021-11-20T00:00:33ZLocation and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System2169-353610.1109/ACCESS.2020.3015496https://doaj.org/article/980f9c5b63da4d319a7447ab9bbee66c2020-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9163335/https://doaj.org/toc/2169-3536Location and characterization of a buried target from its electromagnetic induction response is a key problem for unexploded ordnance (UXO) detection. This article focuses on the influence of target size, depth, and orientation on its location and characterization on the basis of single dipole model with differential evolution (DE) algorithm against data collected by a portable transient electromagnetic (TEM) system. The sensor of the portable TEM system is composed of a single-layer transmitting coil and five three-component receiving coils. The diameter and current of transmitting coil are 0.5 m and 5 A. The length and resonant frequency of receiving coil are 5.6 cm and 180 kHz. The results of test-stand experiment show that the errors in location and characterization an underground target depend not only on the signal-to-noise ratio of the response, but also on the orientation of the target. For large target vertically (tail down) oriented, the estimated depth and characteristic response only represent the part of target close to the sensor, which are smaller than the real ones. For target flat-lying oriented, the algorithm overestimates both the depth and the characteristic response for the nonuniform primary field throughout the target. Finally, field experiment has been conducted. In general, the target can be located and characterized well even if the response of two targets is superimposed. The errors in estimated positions of about 5–7 cm support the conclusions from our test-stand experiment. These errors are especially critical when excavating targets.Shudong ChenShuang ZhangHejun JiangJun ZhuIEEEarticleUnexploded ordnanceelectromagnetic inductiontransient electromagnetic systemdifferential evolution algorithmdipole modelElectrical engineering. Electronics. Nuclear engineeringTK1-9971ENIEEE Access, Vol 8, Pp 150174-150185 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Unexploded ordnance electromagnetic induction transient electromagnetic system differential evolution algorithm dipole model Electrical engineering. Electronics. Nuclear engineering TK1-9971
spellingShingle	Unexploded ordnance electromagnetic induction transient electromagnetic system differential evolution algorithm dipole model Electrical engineering. Electronics. Nuclear engineering TK1-9971 Shudong Chen Shuang Zhang Hejun Jiang Jun Zhu Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System
description	Location and characterization of a buried target from its electromagnetic induction response is a key problem for unexploded ordnance (UXO) detection. This article focuses on the influence of target size, depth, and orientation on its location and characterization on the basis of single dipole model with differential evolution (DE) algorithm against data collected by a portable transient electromagnetic (TEM) system. The sensor of the portable TEM system is composed of a single-layer transmitting coil and five three-component receiving coils. The diameter and current of transmitting coil are 0.5 m and 5 A. The length and resonant frequency of receiving coil are 5.6 cm and 180 kHz. The results of test-stand experiment show that the errors in location and characterization an underground target depend not only on the signal-to-noise ratio of the response, but also on the orientation of the target. For large target vertically (tail down) oriented, the estimated depth and characteristic response only represent the part of target close to the sensor, which are smaller than the real ones. For target flat-lying oriented, the algorithm overestimates both the depth and the characteristic response for the nonuniform primary field throughout the target. Finally, field experiment has been conducted. In general, the target can be located and characterized well even if the response of two targets is superimposed. The errors in estimated positions of about 5–7 cm support the conclusions from our test-stand experiment. These errors are especially critical when excavating targets.
format	article
author	Shudong Chen Shuang Zhang Hejun Jiang Jun Zhu
author_facet	Shudong Chen Shuang Zhang Hejun Jiang Jun Zhu
author_sort	Shudong Chen
title	Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System
title_short	Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System
title_full	Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System
title_fullStr	Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System
title_full_unstemmed	Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System
title_sort	location and characterization of unexploded ordnance-like targets with a portable transient electromagnetic system
publisher	IEEE
publishDate	2020
url	https://doaj.org/article/980f9c5b63da4d319a7447ab9bbee66c
work_keys_str_mv	AT shudongchen locationandcharacterizationofunexplodedordnanceliketargetswithaportabletransientelectromagneticsystem AT shuangzhang locationandcharacterizationofunexplodedordnanceliketargetswithaportabletransientelectromagneticsystem AT hejunjiang locationandcharacterizationofunexplodedordnanceliketargetswithaportabletransientelectromagneticsystem AT junzhu locationandcharacterizationofunexplodedordnanceliketargetswithaportabletransientelectromagneticsystem
_version_	1718419850710220800

Location and Characterization of Unexploded Ordnance-Like Targets With a Portable Transient Electromagnetic System

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