NDLI: Electric-field resonance coupling between human and transmitter for human position estimation system

Content Provider	IEEE Xplore Digital Library
Author	Nakamura, S. Ajisaka, S. Takiguchi, K. Hirose, A. Hashimoto, H.
Copyright Year	2010
Description	Author affiliation: Institute of Industrial Science, The University of Tokyo, Tokyo, Japan (Nakamura, S.; Ajisaka, S.; Takiguchi, K.; Hashimoto, H.) \|\| Department of Electrical Engineering, The University of Tokyo, Tokyo, Japan (Hirose, A.)
Abstract	In this paper, a novel human position estimation system using electric-field resonance coupling is proposed. There are various advantages of using electric-field for human position estimation system. The system is robust to illumination change, body-worn tags are not required and sensors could be hidden since electric-field can path through an insulator. Tags are not required because the system estimates the position by measuring the electric field transmitted along the human body which acts as an electric-field coupler. Moreover, the proposed system has wider sensing range and higher expandability to position estimation of multiple humans compared to the current system. Unlike the current system which only measures the electric-field coupled between human and transmitter, the proposed system measures the electric-field amplified by the resonance occurring inside the human (equivalent to giant antenna) to achieve wider sensing range. Meanwhile, the proposed system is also designed carefully to maintain the expandability to multiple humans position estimation. Based on the simulation results, it is verified that the sensing range could be up to 50[cm] with less than 5[cm] error. In the future, the proposed system could be a powerful alternative for the current system.
Starting Page	109
Ending Page	114
File Size	865914
Page Count	6
File Format	PDF
ISBN	9781424474530
e-ISBN	9788993215021
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-27
Publisher Place	Korea (South)
Access Restriction	Subscribed
Rights Holder	IEEE International Conference on Control & Automation
Subject Keyword	Couplings sensing range Transmitters equivalent circuit Humans Estimation Receivers human position estimation system electric-field resonance coupling Sensors Equivalent circuits
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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