13,452 Hits in 5.1 sec

Fluxgate Magnetometer Array for Geomagnetic Abnormal Phenomena Tracking

Xiaomei Wang, Yuntian Teng, Chen Wang, Qi Li, Xiaoyong Fan
2011 Data Science Journal  
Using wireless technology provides on-the-spot mobile networking for the observational data, with efficient access to the earthquake precursor observation network.  ...  The objective of this project is to develop a flexible observation mode for a geomagnetic abnormal phenomena tracking system.  ...  ACKNOWLEDGEMENTS The project of study of the practical technology of geomagnetic abnormal phenomena tracking is supported by the Institute of Geophysics, China's Earthquake Administration, and the Central  ... 
doi:10.2481/dsj.iaga-05 fatcat:riofkznmp5atddybpddcpussai


Thiago Dantas Da Silva, Jacques Cousteau Da Silva Borges, Allan Aminadab André Freire Soares
2016 Holos  
In the implementation of this system, Arduino microcontrolled platforms were used integrated to a Hall effect sensor intended for measuring the strength of these dynamic magnetic fields.  ...  This paper aims to describe the development and implementation of an embedded system applied to remote measurement of dynamic artificial magnetic fields using Zigbee, which is a set of specifications for  ...  To verify the measurement performed by the sensor, a small magnet was used as a source of magnetic field to the sensor.  ... 
doi:10.15628/holos.2016.2447 fatcat:5hq4ye7r6rd3jok74di4qwjcm4

Wireless Power Transfer in Wirelessly Powered Sensor Networks: A Review of Recent Progress

S. M. Asiful Huda, Muhammad Yeasir Arafat, Sangman Moh
2022 Sensors  
In this study, an in-depth survey is conducted on the wireless power transfer (WPT) techniques through which sensor devices can harvest energy to avoid frequent node failures.  ...  Wirelessly powered sensor networks (WPSNs), which would eliminate the need for regular battery replacement and improve the overall lifetime of sensor nodes, are the most promising solution to efficiently  ...  Acknowledgments: The authors wish to thank the editor and anonymous reviewers for their helpful comments on improving the quality of this paper.  ... 
doi:10.3390/s22082952 pmid:35458935 pmcid:PMC9028858 fatcat:32sspsff3jgh5j6iuoebkf5gcu

Design considerations for a wireless sensor network for locating parking spaces

Vamsee Boda, Asis Nasipuri, Ivan Howitt
2007 Proceedings 2007 IEEE SoutheastCon  
This paper considers the design of a real time parking space locating system using a network of wireless sensor nodes that are equipped with magnetic sensors.  ...  Considerations for designing a reliable detection scheme for cars using magnetic signatures obtained by the wireless sensors are presented.  ...  A large number of wireless sensors can be used to form a sensor network for performing various distributed monitoring tasks.  ... 
doi:10.1109/secon.2007.342990 fatcat:2ad25pz35nc25hvxhv35u65f7u

A vehicle detection algorithm based on wireless magnetic sensor networks

Xiangke Guan, Zusheng Zhang, Jingquan Zhou, Fengqi Yu
2013 2013 8th International Conference on Communications and Networking in China (CHINACOM)  
At present, the research of parking management system based on Wireless Sensor Networks (WSN) and Anisotropic Magneto Resistive (AMR) sensors have made great progress.  ...  However, due to the diversity of the vehicle magnetic signal and the interference caused by the adjacent parking spaces, vehicle detection technique using wireless magnetic sensor networks is still immature  ...  In this work, we design and implement a parking management system based on wireless magnetic sensor networks. Each sensor node is equipped with a magnetic sensor.  ... 
doi:10.1109/chinacom.2013.6694677 fatcat:bbxhodafrjhxrddi6brjwr5hfa

Simulation Test of Wireless Underground Sensor Network in Stadiums

Dongzhi Wang, Hui Ming, Haibin Lv
2021 Journal of Sensors  
This article first proposes a distance estimation method for sound and vibration signals based on the generalized correlation of the time difference of arrival based on the characteristics of the real  ...  The underground sensor network is a kind of sensor network with sensor nodes buried in the soil.  ...  Acknowledgments This work was supported by the Xinxiang Medical University.  ... 
doi:10.1155/2021/6827961 fatcat:vkdyj3ceofav7ltldicq76xno4

Wireless Sensor Networks to Improve Road Monitoring [chapter]

M. Collotta, G. Pau, V.M. Salerno, G. Scat
2012 Wireless Sensor Networks - Technology and Applications  
Surveillance cameras have the following characteristics to satisfy the available bandwidth (250 kbps) for each channel: • Figure 7 ) that, based on magnetic field distortion caused by the presence of  ...  Wireless sensor network protocols Video monitoring over wireless sensor networks Introduction Main requirement of a road monitoring scenario is the ability to guarantee Quality of Service for video  ... 
doi:10.5772/48505 fatcat:rllp24pxhfairl5o5ohl3l2ewu

Performance Evaluation of Magnetic Wireless Sensor Networks Algorithm for Traffic Flow Monitoring in Chaotic Cities

Haji Said Fimbombaya, Nerey H. Mvungi, Ndyetabura Y. Hamisi, Hashimu U. Iddi
2018 Modelling and Simulation in Engineering  
The algorithm extracts traffic flow information from resulting magnetic field distortions sensed by magnetic wireless sensor nodes located on the sides of the road.  ...  The model magnetic wireless sensor networks algorithm for local Earth's magnetic field performance was evaluated through simulation using Dar es Salaam City traffic flow conditions.  ...  the localization of the magnetic wireless sensor node on the roadside for traffic flow monitoring.  ... 
doi:10.1155/2018/2591304 fatcat:h7jkbrl3djgxjntpvdc2mkw3vy

Investigation of wireless magnetometer in sensing magnetic field changes at different car direction and speed

Chin Fhong Soon, Siti Hajar Aminah Ali, See Khee Ye, Munzilah Md Rohani, Kian Sek Tee, Marlia Morsin, Nafarizal Nayan, Chiok Chuan Lim
2021 Bulletin of Electrical Engineering and Informatics  
In this project, a wireless magnetometer sensor system operating at a radio frequency of 2.4 GHz for detecting and transmitting Z-field data has been developed to investigate the patterns of magnetic field  ...  A wireless magnetometer implanted underground in a small uniform area was developed to detect three-axis magnetic flux changes due to the perturbation of vehicle passing over the sensor.  ...  ACKNOWLEDGEMENTS The authors are grateful for the financial support from Vot. No.  ... 
doi:10.11591/eei.v10i2.2707 fatcat:jqbe3c2ttjdxvfdk5cwmborjlm

Coordinated Control of New Energy Environment and Mixed Vehicle Flow Speed Based on Sensor Network

Huili Dou, Yaming Wang, Jian Zhou, Yuanyuan Liu
2022 Mobile Information Systems  
This article utilizes the sensor networks to study the speed coordination control of hybrid vehicle flow. It deploys the sensor nodes in roadside parking positions and driving sections of expressway.  ...  All together, the miniaturization of sensor network, low power consumption, and low investment cost have become the preferred equipment for intelligent collection of traffic data.  ...  The concept of sensor network is that a group of sensors form a wireless or wired network based on ad hoc mode, collect, perceive, and process the network coverage of the object information in the geographical  ... 
doi:10.1155/2022/6161154 doaj:a5c299f4f9154455a4541658dd769732 fatcat:w6kf5zxvwjgtxbpxznkpuuknz4

A Review on Rail Defect Detection Systems Based on Wireless Sensors

Yuliang Zhao, Zhiqiang Liu, Dong Yi, Xiaodong Yu, Xiaopeng Sha, Lianjiang Li, Hui Sun, Zhikun Zhan, Wen Jung Li
2022 Sensors  
Therefore, we provide in this paper a systematic review of recent studies on wireless sensor-based rail defect detection systems from three different perspectives: sensing principles, wireless networks  ...  However, there has been a lack of comprehensive reviews on the working principles, functions, and trade-offs of these wireless sensor systems.  ...  [20] established a wireless sensor network model for railway safety, which laid the foundation for the application of wireless networks in railway track detection.  ... 
doi:10.3390/s22176409 pmid:36080868 pmcid:PMC9459779 fatcat:uqpzjdeutvg6rik4i6yyxicneu

Scientific Developments and New Technological Trajectories in Sensor Research

Mario Coccia, Saeed Roshani, Melika Mosleh
2021 Sensors  
The goal of this study is to develop a scientometric analysis (using scientific documents and patents) to explain the evolution of sensor research and new sensor technologies that are critical to science  ...  of growth for generating a positive societal impact.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s21237803 pmid:34883807 fatcat:sizbzlesbzabxef7tprvlwlexa

Spectrum-aware and cognitive sensor networks for smart grid applications

A. Bicen, Ozgur Akan, V. Gungor
2012 IEEE Communications Magazine  
Magnetic induction: Generated magnetic field by the AC current carrying power lines can be used to induce electric current, and hence, power for sensor nodes.  ...  In general, spectrum-aware and cognitive sensor networks (SCSNs) for smart grid can be specified as a distributed wireless network of spectrum-aware sensor nodes, which monitor the critical smart grid  ... 
doi:10.1109/mcom.2012.6194397 fatcat:6db7jtszujcbbkzl4ky2d2nrau

Magnetic Induction Technology-Based Wireless Sensor Network for Underground Infrastructure, Monitoring Soil Conditions, and Environmental Observation Applications: Challenges and Future Aspects

Pratap Singh, Rishi Pal Singh, Yudhvir Singh, Jasgurpreet Singh Chohan, Shubham Sharma, Milad Sadeghzadeh, Alibek Issakhov, Alfian Abdul Halin
2022 Journal of Sensors  
Wireless sensor networks (WSNs) especially with sensor nodes communicating with each other in medium other than air have been naive area of research since the last few years.  ...  In comparison to underwater communication, wireless underground sensor networks (WUSNs) are now being used in a large number of applications ranging from environmental observation, estimating chances of  ...  The study on how signals propagate through the soil for wireless underground sensor nodes (WUSNs) is investigated by [5] .  ... 
doi:10.1155/2022/9332917 fatcat:txhalhzr5bh2jag3ae76v4qjeq

Signal Propagation Models in Soil Medium for the Study of Wireless Underground Sensor Networks: A Review of Current Trends

Frank Kataka Banaseka, Ferdinand Katsriku, Jamal Deen Abdulai, Kofi Sarpong Adu-Manu, Felicia Nana Ama Engmann, Ivan Marsa-Maestre
2021 Wireless Communications and Mobile Computing  
To fully exploit the capabilities of sensor networks deployed in soil requires an understanding of the propagation characteristics within this environment.  ...  Recently, there has been an interest in the deployment of wireless sensors in soil.  ...  Department of Information Technology, UPSA, for their support.  ... 
doi:10.1155/2021/8836426 fatcat:77i34nupbrfq5jdjfevzp6zncq
« Previous Showing results 1 — 15 out of 13,452 results