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Characterisation of RF propagation in metal pipes for passive RFID systems

Darmindra D. Arumugam, Daniel W. Engels
2007 International Journal of Radio Frequency Identification Technology and Applications  
A comprehensive general theory is developed to enumerate the workings of passive RFID systems in circular metal pipes.  ...  In this paper we extend the theory of Radio Frequency (RF) propagation as it relates to propagation within metal circular pipes.  ...  Conclusion In this paper, the characteristics of RF propagation in metal pipes are studied for passive RFID systems.  ... 
doi:10.1504/ijrfita.2007.015853 fatcat:fkdw47xwijbfjd2q45v5z7kp2a

Development of plough-able RFID sensor network systems for precision agriculture

Chuan Wang, Danielle George, Peter R. Green
2014 2014 IEEE Topical Conference on Wireless Sensors and Sensor Networks (WiSNet)  
For commercial passive RFID systems, RF energy harvesting is based on nearfield coupling or far-field coupling [72] .  ...  With an RFID sensing system, a number of passive RFID sensor nodes are deployed in brownfield land.  ...  Appendixes -On CD ROM • Appendix A: The specification of the EPC Class 1 Generation 2 RFID Protocol. • Appendix B: The CST files for designing the RFID sub-soil system model described in Chapter 5. • Appendix  ... 
doi:10.1109/wisnet.2014.6825502 dblp:conf/wisnet/WangGG14 fatcat:uytfk4bt6bewhjyarbbsf3rfku

RFID Enabled Health Monitoring System for Aircraft Landing Gear

Shuai Yang, Michael Crisp, Richard V. Penty, Ian H. White
2018 IEEE Journal of Radio Frequency Identification  
In this paper, we propose a health monitoring system using a combination of active wired sensors and passive RFID tags.  ...  RFID has been used in the aviation industry to track and identify emergency equipment and other in-cabin assets on commercial aircraft for some time.  ...  A complete aircraft was required for tests due to the need to determine the potential impact of large metal structures of the wings and aircraft body which influence the RF propagation.  ... 
doi:10.1109/jrfid.2018.2822770 fatcat:uwczitgfpnbirberrdoaxjtpcm

Use of electrochemical current noise method to monitor carbon steel corrosion under mineral wool insulation

Yang Hou, Thunyaluk Pojtanabuntoeng, Mariano Iannuzzi
2020 npj Materials Degradation  
The standard deviation of the current noise signal agreed with weight loss results and was demonstrated as a reliable indicator of the degree of corrosion under mineral wool insulation.  ...  Intensities of corrosion were validated using gravimetry, and the form of corrosion confirmed using optical microscopy.  ...  ACKNOWLEDGEMENTS The authors are grateful for the financial support of Woodside Energy and Chevron Australia to this research work.  ... 
doi:10.1038/s41529-020-00144-3 fatcat:anlo3wpr2zgnlhhusjqst7tet4

RF-Based Moisture Content Determination in Rice Using Machine Learning Techniques

Noraini Azmi, Latifah Munirah Kamarudin, Ammar Zakaria, David Lorater Ndzi, Mohd Hafiz Fazalul Rahiman, Syed Muhammad Mamduh Syed Zakaria, Latifah Mohamed
2021 Sensors  
This study focuses on the characterisation of 2.4 GHz Radio Frequency (RF) transceivers using ZigBee Standard and 868 to 915 MHz UHF RFID transceiver for moisture content classification and prediction  ...  Four samples (2 kg of rice each) were conditioned to 10%, 15%, 20%, and 25% moisture contents. The RSSI from both systems were obtained and processed.  ...  Bhd. for providing technical knowhow and access to equipment for this research work.  ... 
doi:10.3390/s21051875 pmid:33800174 fatcat:srrcvvy6jzgwtofuk2e5di3ptu

Electromagnetic Modeling of Self-Tuning RFID Sensor Antennas in Linear and Nonlinear Regimes

Maria Cristina Caccami, Gaetano Marrocco
2018 IEEE Transactions on Antennas and Propagation  
Multi-state chips for UHF Radiofrequency Identification ensure self-compensation of the variations in antenna impedance.  ...  Sensing measurements of liquid compounds in linear regime and of the water-filling level of a box in nonlinear regime are demonstrated as a practical application of the proposed mathematical model.  ...  The authors thank RFmicron and SMARTRAC for having provided samples as well as for the useful technical support and the valuable discussions.  ... 
doi:10.1109/tap.2018.2820322 fatcat:jhpafqafhbfclio46gja53ywci

A Miniature Energy Harvesting Rectenna for Operating a Head-Mountable Deep Brain Stimulation Device

Md Kamal Hosain, Abbas Z. Kouzani, Mst Fateha Samad, Susannah J. Tye
2015 IEEE Access  
A dielectric substrate of FR-4 of ε r = 4.5 and δ = 0.02 is used for simulation and fabrication of the antenna and the rectifier due to its low cost.  ...  This paper presents design, implementation, and evaluation of a miniature rectenna for energy harvesting applications. The rectenna produces DC power from a distant microwave energy transmitter.  ...  For example, RFID technology utilises wireless power transmission, where a passive RFID tag operates by using the power harvested from the incident RF waves transmitted by an RFID reader [27] .  ... 
doi:10.1109/access.2015.2414411 fatcat:mytanuf7brefhf7s6qy4mue57y

Techniques for In Situ Monitoring the Performance of Organic Coatings and Their Applicability to the Pre-Finished Steel Industry: A Review

Tim Savill, Eifion Jewell
2021 Sensors  
A review is carried out in this paper into techniques that currently exist for, of have the potential to be used for, monitoring the performance of organic coating.  ...  An introduction to coatings, their use for corrosion protection, failure mechanisms, and relevant monitoring techniques is given before current assessment techniques are described in terms of their working  ...  The funders had no role in the design of the review; in the collection or interpretation of sources; in the writing of the manuscript, or in the decision to publish the review.  ... 
doi:10.3390/s21196334 pmid:34640654 pmcid:PMC8512061 fatcat:3geulupvrnb7jnrosf3tvlnwmm

Simultaneous Localization and Mapping for Inspection Robots in Water and Sewer Pipe Networks: A Review

Jonathan M. Aitken, Mathew H. Evans, Rob Worley, Seamus Edwards, Rui Zhang, Tony Dodd, Lyudmila Mihaylova, Sean R. Anderson
2021 IEEE Access  
In contrast, the sensing methods developed in [219] - [221] use a hydrophone to excite pipe vibration in metal pipes.  ...  Acoustic sensing is appealing for pipes because acoustic waves tend to propagate well in this environment, and they do not require a light source.  ... 
doi:10.1109/access.2021.3115981 fatcat:oq2nb5bvfzaxlh2c2emyvxbd2m

Nanomaterial Fabricated Patch Antenna for Super High Frequency Applications

Dr. Ambresh Prabhakar Ambalgi
2021 Zenodo  
Nanomaterial Fabricated Patch Antenna for Super High Frequency Applications: D.Sc. Thesis.  ...  Some of the antennas can also be used for application in the field of agriculture, health area. For ex: RFID antennas, RFID tags for patients etc.  ...  CVD) system to name few tools which are utilized for deposition of metal oxides or metals in nano thickness level on different materials like substrates, plastics, metals, silicon wafer and so forth.  ... 
doi:10.5281/zenodo.5148488 fatcat:cdoqxf3odzgozgpd65fnx7wexm

A design methodology for 2D sparse NDE arrays using an efficient implementation of refracted-ray TFM

Jerzy Dziewierz, Timothy Lardner, Anthony Gachagan
2013 2013 IEEE International Ultrasonics Symposium (IUS)  
Recent advances in the field of tissue engineering include the engineering of skin, cartilage, and bladder, all of which are relatively thin tissues that can rely on diffusion for the delivery of oxygen  ...  The development of more complex tissues has been limited by the need for techniques that can rapidly organize cells and proteins within large three-dimensional scaffolds, and the need to create vascular  ...  The authors acknowledge the ANR and DGA for their support under the project Metactif, grant ANR-11-ASTR-015.  ... 
doi:10.1109/ultsym.2013.0035 fatcat:th5znfh7y5bklfdbmhb4u6iq2i

Delivery of 5G Services Indoors - the wireless wire challenge and solutions

Adam Kapovits, Anastasius Gavras, John Cosmas, Mir Ghoraishi, Xi Li, Yue Zhang
2021 Zenodo  
The delivery of 5G services to these spaces has to consider the specificities of the indoor environments, in which the radio propagation characteristics are different and in the case of deep indoor scenarios  ...  Finally in the residential space we can observe a strong trend for wireless connectivity of appliances and devices in the home.  ...  Even metals can be characterised in this way, although the RF losses through metal are very high.  ... 
doi:10.5281/zenodo.4280749 fatcat:ykuzcuhr4za2hpzma5by5spm24

Conceptual design and multidisciplinary optimization of in-plane morphing wing structures

Daisaku Inoyama, Brian P. Sanders, James J. Joo, Douglas K. Lindner
2006 Smart Structures and Materials 2006: Modeling, Signal Processing, and Control  
Using the experimental system, 2Hz mono-frequency is used for excitation of ER damper and the damping force is measured by load-cell.  ...  Snap-through buckling is a step further in the direction of using non-linear mechanics for actuator design.  ...  measurement of on-chip RF field strength with application to RFID systems B.  ... 
doi:10.1117/12.658686 fatcat:rqnvt2atkjgnvpog5pivwjejzm

Local Organizing Committees

2006 2006 13th IEEE International Conference on Electronics, Circuits and Systems  
New research could be developed in this area, expanding the limits of the paper that deals with one specific operation and with one specific decision.  ...  ACKNOWLEDGMENTS The author is grateful to Maria Inês Faé, professor from Federal University of Espírito Santo and great friend, who encouraged him to write about the subject and deepen in researching about  ...  There are many aspects of paper that make it an excellent candidate for an extremely low-cost substrate for RFID and other RF applications.  ... 
doi:10.1109/icecs.2006.379662 fatcat:556xl3dm5vdfpodzwjmf5qqu6m

Local Organizing Committees

2008 Artificial Organs  
New research could be developed in this area, expanding the limits of the paper that deals with one specific operation and with one specific decision.  ...  ACKNOWLEDGMENTS The author is grateful to Maria Inês Faé, professor from Federal University of Espírito Santo and great friend, who encouraged him to write about the subject and deepen in researching about  ...  There are many aspects of paper that make it an excellent candidate for an extremely low-cost substrate for RFID and other RF applications.  ... 
doi:10.1111/j.1525-1594.1989.tb01538.x fatcat:w67547wxlvbfjlnramoglkz6ba
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