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Underwater Localization using EM Wave Attenuation with Depth Information
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전자기파의 감쇠패턴 및 깊이 정보 취득을 이용한 수중 위치추정 기법

논문 기본 정보

Type
Academic journal
Author
Kyungmin Kwak Daegil Park (포항공과대학교) Wan Kyun Chung (POSTECH) Jinhyun Kim (서울과학기술대학교)
Journal
Journal of Korea Robotics Society The Journal of Korea Robotics Society Vol.11 No.3 KCI Accredited Journals
Published
2016.9
Pages
156 - 162 (7page)

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Underwater Localization using EM Wave Attenuation with Depth Information
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Research history (6)

2017

Research of the 3D underwater localization using Electromagnetic Wave Radiation Pattern
Kyungmin Kwak ,  Deagil Pa ,  k 한국소음진동공학회 학술대회논문집 2017.04 Proceeding
Underwater 3D electromagnetic wave attenuation characteristics for localization of unmanned underwater robots
곽경민 나노IT융합공학전공 2017.01 Thesis
The Underwater UUV Docking with 3D RF Signal Attenuation based Localization
곽경민 ,  박대길 ,  Wan Kyun Chung and others 1 센서학회지 2017.01 Academic journal

2016

Underwater Localization using EM Wave Attenuation with Depth Information
Kyungmin Kwak ,  Daegil Pa ,  k and others 2 The Journal of Korea Robotics Society 2016.09 Academic journal

2013

Development of 3-Dimensional Sensor Nodes using Electro-magnetic Waves for Underwater Localization
Kyung Min Kwak ,  Jinhyun Kim Journal of Institute of Control, Robotics and Systems 2013.02 Academic journal
Developing underwater distance sensor using EM waves attenuation
곽경민 기계공학과 2013.01 Thesis
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Abstract· Keywords

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For the underwater localization, acoustic sensor systems are widely used due to greater penetration properties of acoustic signals in underwater environments. On the other hand, the good penetration property causes multipath and interference effects in structured environment too. To overcome this demerit, a localization method using the attenuation of electro-magnetic(EM) waves was proposed in several literatures, in which distance estimation and 2D-localization experiments show remarkable results. However, in 3D-localization application, the estimation difficulties increase due to the nonuniform (doughnut like) radiation pattern of an omni-directional antenna related to the depth direction. For solving this problem, we added a depth sensor for improving underwater 3D-localization with the EM wave method. A micro scale pressure sensor is located in the mobile node antenna, and the depth data from the pressure sensor is calibrated by the curve fitting algorithm. We adapted the depth(z) data to 3D EM wave pattern model for the error reduction of the localization. Finally, some experiments were executed for 3D localization with the fast calculation and less errors.
#Underwater Localization #EM wave #Signal Attenuation #Reduced Signal Strength

Contents

Abstract
1. 서론
2. 전자기파를 이용한 위치추정 기법
3. 위치 추정 정보의 취득 및 추정시스템
4. 결론
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