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Method Article
Venu Gopal Madhav Annamdas
Annamdas and Soh's Structural Health Monitoring Lab - Nanyang Technological University, Singapore
Corresponding Author
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Many electromagnetic (EM) metamaterial inspired designs such as localized surface plasmons (LSPs), have been extensively adopted for structural health monitoring (SHM) in the recent past. These LSPs, in contact with the ‘engineering structure under inspection’ generate a diagnosable surface plasmons/ wave as output, when subjected to input EM waves in the near fields. This paper, an extension to recently published article in Springer, presents a procedure to analyse the sensitivity of the output surface wave. The Springer article primarily presented a novel method of transferring ‘surface waves’ from within the confined boundaries of the LSP sensor to the far-off distance along a guided path. In experiments, the input - EM waves and the output - surface waves were handled by a vector network analyser via a 2D robotic arm. Signals generated by LSP sensor; and, LSP sensor plus waveguide was analysed for monitoring (a) metal shell's surface profile and (b) separation of two adjacent concrete blocks. Further, in this article, the sensitivity of the output signals using a unique root mean square deviation (RMSD) index is presented.
Keywords
Electromagnetic radiation (EMR) · Metamaterials · Localized surface plasmons (LSP) · Structural health monitoring (SHM) · Surface wave · Robot
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Associated Publications
Application of Metamaterial Surface Plasmon and Waveguide for Robotic-Arm Based Structural Health Monitoring
by Venu Gopal Madhav Annamdas and Chee Kiong Soh
An open repository of community-contributed protocols sponsored by Nature Research.
Learn more about Protocol Exchange
Method Article
Venu Gopal Madhav Annamdas
Annamdas and Soh's Structural Health Monitoring Lab - Nanyang Technological University, Singapore
Corresponding Author
Version History
CURRENT STATUS: Posted
Version 1
Posted 30 May, 2018
No community comments so far
Metrics
Comments: 0
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
Many electromagnetic (EM) metamaterial inspired designs such as localized surface plasmons (LSPs), have been extensively adopted for structural health monitoring (SHM) in the recent past. These LSPs, in contact with the ‘engineering structure under inspection’ generate a diagnosable surface plasmons/ wave as output, when subjected to input EM waves in the near fields. This paper, an extension to recently published article in Springer, presents a procedure to analyse the sensitivity of the output surface wave. The Springer article primarily presented a novel method of transferring ‘surface waves’ from within the confined boundaries of the LSP sensor to the far-off distance along a guided path. In experiments, the input - EM waves and the output - surface waves were handled by a vector network analyser via a 2D robotic arm. Signals generated by LSP sensor; and, LSP sensor plus waveguide was analysed for monitoring (a) metal shell's surface profile and (b) separation of two adjacent concrete blocks. Further, in this article, the sensitivity of the output signals using a unique root mean square deviation (RMSD) index is presented.
Figure 1
Figure 2
Figure 3
Figure 4
Figure 5
Figure 6
No Conflict of Interest
Loading...
Associated Publications
Application of Metamaterial Surface Plasmon and Waveguide for Robotic-Arm Based Structural Health Monitoring
by Venu Gopal Madhav Annamdas and Chee Kiong Soh