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Journal articles on the topic 'Nodo sensore'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 April 2022

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1

Ordóñez Mendieta, Ángel José, and Ángel Paúl Garrochamba. "Diseño de una WSN para el monitoreo de CO2 en el aire y niveles de ruido en la ciudad de Loja." MASKAY 10, no. 1 (2019): 20. http://dx.doi.org/10.24133/maskay.v10i1.1522.

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En el presente artículo se describe el diseño de una red inalámbrica de sensores para el monitoreo de CO2 en el aire y niveles de ruido desarrollado para el casco urbano de la ciudad de Loja. El diseño parte del análisis de la funcionalidad, protocolos y características de las Wireless Sensor Networks (WSN) con la implementación de la tecnología de comunicación Zigbee. Para el diseño de la red, se determinó el escenario de monitoreo a través de la mayor concentración de actividad socioeconómica dentro de la urbe, a partir de estos escenarios se procedió a la sectorización del centro de la ciud

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Reges Bessa, Carlos Deyvinson. "PERFORMANCE EVALUATION ANALYSIS OF WIRELESS SENSOR NETWORKS ROUTING PROTOCOLS IN SMART GRIDS." Revista Cientifica TECNIA 26, no. 1 (2016): 9. http://dx.doi.org/10.21754/tecnia-250215.02.

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ABSTRACTThis work aims to study which wireless sensor network routing protocol is more suitable for Smart Grids applications, through simulation of AODV protocols, AOMDV, DSDV and HTR in the NS2 simulation environment. Was simulated a network based on a residential area with 47 residences, with one node for each residence and one base station, located about 25m from the other nodes. Many parameters, such as packet loss, throughput, delay, jitter and energy consumption were tested. The network was increased to 78 and 93 nodes in order to evaluate the behavior of the protocols in larger networks

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Reges Bessa, Carlos Deyvinson. "PERFORMANCE EVALUATION ANALYSIS OF WIRELESS SENSOR NETWORKS ROUTING PROTOCOLS IN SMART GRIDS." Revista Cientifica TECNIA 26, no. 1 (2016): 17. http://dx.doi.org/10.21754/tecnia-26012016.02.

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ABSTRACTThis work aims to study which wireless sensor network routing protocol is more suitable for Smart Grids applications, through simulation of AODV protocols, AOMDV, DSDV and HTR in the NS2 simulation environment. Was simulated a network based on a residential area with 47 residences, with one node for each residence and one base station, located about 25m from the other nodes. Many parameters, such as packet loss, throughput, delay, jitter and energy consumption were tested. The network was increased to 78 and 93 nodes in order to evaluate the behavior of the protocols in larger networks

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Reges Bessa, Carlos Deyvinson, Rodrigo Soares Semente, Xiankleber Cavalcante Benjamim, et al. "PERFORMANCE EVALUATION ANALYSIS OF WIRELESS SENSOR NETWORKS ROUTING PROTOCOLS IN SMART GRIDS." Revista Cientifica TECNIA 26, no. 1 (2016): 17. http://dx.doi.org/10.21754/tecnia.v26i1.2.

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ABSTRACTThis work aims to study which wireless sensor network routing protocol is more suitable for Smart Grids applications, through simulation of AODV protocols, AOMDV, DSDV and HTR in the NS2 simulation environment. Was simulated a network based on a residential area with 47 residences, with one node for each residence and one base station, located about 25m from the other nodes. Many parameters, such as packet loss, throughput, delay, jitter and energy consumption were tested. The network was increased to 78 and 93 nodes in order to evaluate the behavior of the protocols in larger networks

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5

Amarillo Rojas, Milton Osvaldo, and Luis Carlos Trujillo Arboleda. "Simulación de Redes de Sensores Inalámbricos: un Modelo Energético a Nivel de Nodo-Sensor Bajo las Especificaciones Ieee 802.15.4tm y Zigbee." Publicaciones e Investigación 9 (October 22, 2015): 13. http://dx.doi.org/10.22490/25394088.1430.

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Este artículo presenta el desarrollo de un modelo de simulación para una red de sensores inalámbricos que se rige por las especificaciones IEEE 802.15.4 y ZigBee y que utiliza la configuración de la beacon habilitada. El modelo de simulación también implementa un modelo de consumo de energía para los tres tipos de nodossensores de la red (Coordinador ZigBee, Router y Dispositivo Final). El principal aporte de este trabajo radica en que por medio de la simulación se puede estimar el consumo de energía de un nodo-sensor y, de esta forma, analizar el consumo de energía de cada uno de los tipos de

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Talib, Mohammed Saad. "Minimizing the Energy Consumption in Wireless Sensor Networks." JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 26, no. 1 (2017): 17–28. http://dx.doi.org/10.29196/jub.v26i1.349.

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Energy in Wireless Sensor networks (WSNs) represents an essential factor in designing, controlling and operating the sensor networks. Minimizing the consumed energy in WSNs application is a crucial issue for the network effectiveness and efficiency in terms of lifetime, cost and operation. Number of algorithms and protocols were proposed and implemented to decrease the energy consumption. Principally, WSNs operate with battery-powered sensors. Since Sensor's batteries have not been easily recharge. Therefore, prediction of the WSN represents a significant concern. Basically, the network failur

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Le, Wang. "Application of Wireless Sensor Network and RFID Monitoring System in Airport Logistics." International Journal of Online Engineering (iJOE) 14, no. 01 (2018): 89. http://dx.doi.org/10.3991/ijoe.v14i01.8058.

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To better regulate the airport cargo transportation, we presented the design of an airport logistics monitoring system based on WSN and RFID. The monitoring system is mainly composed of four modules: RFID system, wireless sensor monitoring network, communication network and remote monitoring terminal. Wireless sensors mainly include temperature sensors, humidity sensors and smoke sensors. The sensors can collect the environment data such as goods temperature, humidity and smoke and so on. The node sensor module is implemented in such a way that the sensor is connected to the node in a plug-in

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Shahid, Nauman, Ijaz Haider Naqvi, and Saad Bin Qaisar. "SVM Based Event Detection and Identification: Exploiting Temporal Attribute Correlations Using SensGru." Mathematical Problems in Engineering 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/259508.

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In the context of anomaly detection in cyber physical systems (CPS), spatiotemporal correlations are crucial for high detection rate. This work presents a new quarter sphere support vector machine (QS-SVM) formulation based on the novel concept ofattribute correlations. Our event detection approach, SensGru, groups multiple sensors on a single node and thus eliminates communication between sensor nodes without compromising the advantages of spatial correlation. It makes use of temporal-attribute (TA) correlations and is thus a TA-QS-SVM formulation. We show analytically that SensGru (or interc

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Socarrás Bertiz, Carlos Alberto, Juan Jesús Fernández Lozano, Jose Antonio Gomez-Ruiz, and Alfonso García-Cerezo. "Integration of a Mobile Node into a Hybrid Wireless Sensor Network for Urban Environments." Sensors 19, no. 1 (2019): 215. http://dx.doi.org/10.3390/s19010215.

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Robots, or in general, intelligent vehicles, require large amounts of data to adapt their behavior to the environment and achieve their goals. When their missions take place in large areas, using additional information to that gathered by the onboard sensors frequently offers a more efficient solution of the problem. The emergence of Cyber-Physical Systems and Cloud computing allows this approach, but integration of sensory information, and its effective availability for the robots or vehicles is challenging. This paper addresses the development and implementation of a modular mobile node of a

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Mubel, Basantilal, Dr Sachin Goyal, and Dr Ratish Agrawal. "REVIEW OF ENERGY MINIMIZATION TECHNIQUES IN WIRELESS SENSORS NETWORK." International Journal of Engineering Technologies and Management Research 5, no. 2 (2020): 51–61. http://dx.doi.org/10.29121/ijetmr.v5.i2.2018.613.

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The current decade of technology trends adopted the utilization of wireless sensors network. The wireless sensors network integrates with cloud based services and facilitate in every field of social engineering. The success story of sensors based network is utilization of energy. The sensor devices occupied tiny battery for energy. If the energy utilization is not maintained the life of network is expire. In this paper present the review of energy based protocol used in wireless sensor network. The maximum utilization of energy during the sensing of data of sensors node. Some authors used dual

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Ashokkumar, Jobanputra Paresh, and Prof Arun Jhapate. "A Review of Sensor Node in Wireless Sensor Networks." International Journal of Trend in Scientific Research and Development Volume-3, Issue-4 (2019): 124–27. http://dx.doi.org/10.31142/ijtsrd23620.

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Tian, Zuo Xi, Z. Dong, G. Y. Yang, and C. J. Chen. "Multi-Sensor Network Design Based on Intelligent Node." Applied Mechanics and Materials 50-51 (February 2011): 992–97. http://dx.doi.org/10.4028/www.scientific.net/amm.50-51.992.

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To resolve the problem of data transmitting in multi-sensor network possessing of a lot of sensors and processing sensors signals on the same time base and transmitting the results remotely, a three classes’ bus topology structure based on intelligent node was designed. The system comprised scene devices, transmission cable, and console. The scene devices included several gateways, more nodes and sensor groups. The console communicated remotely with gateways via Ethernet, and gateway communicated with nodes via CAN bus, each node managed a group of sensors via RS-485 bus. The designs of intell

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Zhang, Sen, Wendong Xiao, Jun Gong, and Yixin Yin. "Mobile Sensing and Simultaneously Node Localization in Wireless Sensor Networks for Human Motion Tracking." Applied Bionics and Biomechanics 9, no. 4 (2012): 367–74. http://dx.doi.org/10.1155/2012/513046.

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This paper exploits optimal position of the mobile sensor to improve the target tracking performance of wireless sensor networks and simultaneously localize both of the static sensor nodes and mobile sensor nodes when tracking the human motion. In our approach, mobile sensors collaborate with static sensors and move optimally to achieve the required detection performance. The accuracy of final tracking result is then improved as the measurements of mobile sensors have higher signal-to-noise ratios after the movement. Specifically, we can simultaneously localize the mobile sensor and static sen

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Al-Alwani, Riyadh. "Partial Node Update Using Virtual Node in Wireless Sensor Network." Journal of Advanced Research in Dynamical and Control Systems 12, SP8 (2020): 889–97. http://dx.doi.org/10.5373/jardcs/v12sp8/20202593.

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Paredes, Marjorie, Wilson Zúñiga, Andres Fernando Morocho Caiza, and María Mendoza. "Agricultura de precisión mediante WSN con nodos inteligentes aplicada a un sistema de riego en cultivo de mora." Revista Perspectivas 3, no. 2 (2021): 26–30. http://dx.doi.org/10.47187/perspectivas.vol3iss2.pp26-30.2021.

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La red de sensores inteligentes para la supervisión y control de riego de la parcela de mora en el Centro Experimental de Riego (CER) de la ESPOCH consiste en un sistema electrónico de sensores inalámbricos basados en tarjetas de desarrollo Arduino. El sistema consiste en tres nodos con una topología de red tipo malla que permiten medir la humedad del suelo y la temperatura ambiente para sugerir en qué momento es necesario realizar el riego y su volumen. Además, incluye una aplicación móvil que mantiene una comunicación vía Bluetooth para la visualización de las lecturas del nodo sensor. Por o

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Kobandaha, Tesal, Handy I. R. Mosey, and Verna A. Suoth. "Sistem Kontrol Atap Otomatis Tempat Penjemuran Berbasis Mikrokontroler Arduino UNO dan Node Sensor." Jurnal MIPA 7, no. 2 (2018): 42. http://dx.doi.org/10.35799/jm.7.2.2018.21524.

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Telah dilakukan penelitian untuk simulasi dan realisasi node sensor system control atap otomatis tempat penjemuran berbasis mikrokontroler. Node sensor yang dibangun terdiri atas mikrokontroler ArduinoUNO yang dirangkai denganbeberapa sensor seperti sensor suhu dan kelembaban, sensor hujan, sensor cahaya, dan motor servo. Metode Penelitian yang digunakan adalah metode eksperimen yakni dengan merancang perangkat lunak dan membangun perangkat keras. Pembacaan sensor hujan dan sensor cahaya dijadikan penentu untuk menutup dan membuka atap otomatis. Kinerja node sensor telah dianalisis dan dibandi

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17

Neubert, Sebastian, Thomas Roddelkopf, Mohammed Faeik Ruzaij Al-Okby, Steffen Junginger, and Kerstin Thurow. "Flexible IoT Gas Sensor Node for Automated Life Science Environments Using Stationary and Mobile Robots." Sensors 21, no. 21 (2021): 7347. http://dx.doi.org/10.3390/s21217347.

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In recent years the degree of automation in life science laboratories increased considerably by introducing stationary and mobile robots. This trend requires intensified considerations of the occupational safety for cooperating humans, since the robots operate with low volatile compounds that partially emit hazardous vapors, which especially do arise if accidents or leakages occur. For the fast detection of such or similar situations a modular IoT-sensor node was developed. The sensor node consists of four hardware layers, which can be configured individually regarding basic functionality and

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18

Geng, Peng, and Yan Liu. "Line Detection of Power Transmission Network Using Multi Photoelectric Sensors and Its Robustness Under Interaction." Journal of Nanoelectronics and Optoelectronics 16, no. 8 (2021): 1234–42. http://dx.doi.org/10.1166/jno.2021.3078.

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The characteristics of the layered reference model, physical layer, MAC layer and defined LR-WPAN network of IEEE802.15.4 are analyzed, and a set of power transmission line detection system based on wireless sensor network is designed. The network is mainly composed of photoelectric sensors (acceleration sensor, displacement sensor). The system design includes the determination of detection content, the selection of sensors and the topological structure of wireless network. In addition, the hardware structure of the photoelectric sensor node is designed, and the small current transformer is in

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Mayton, Brian, Gershon Dublon, Spencer Russell, et al. "The Networked Sensory Landscape: Capturing and Experiencing Ecological Change Across Scales." Presence: Teleoperators and Virtual Environments 26, no. 2 (2017): 182–209. http://dx.doi.org/10.1162/pres_a_00292.

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What role will ubiquitous sensing play in our understanding and experience of ecology in the future? What opportunities are created by weaving a continuously sampling, geographically dense web of sensors into the natural environment, from the ground up? In this article, we explore these questions holistically, and present our work on an environmental sensor network designed to support a diverse array of applications, interpretations, and artistic expressions, from primary ecological research to musical composition. Over the past four years, we have been incorporating our ubiquitous sensing fra

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Nayak, Chinmaya Kumar, and Satyabrata Das. "Energy-Efficient Route Protocols to Minimize Holes in Wireless Sensor Networks Using Probability Enhancement Algorithm." International Journal of e-Collaboration 17, no. 4 (2021): 16–28. http://dx.doi.org/10.4018/ijec.2021100102.

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Wireless sensor networks are widely utilized. In the network of wireless sensors, the nodes of sensors normally disseminated arbitrarily are conditional on the method preferred to realize the sensor network. Primarily, the lifespan of a sensor node depends on the active node numbers along with the network connectivity. When a sensor node runs out of power, the sensor node dies too early, affecting network performance. Therefore, an energy hole will be formed with the network. To avoid the problem of energy holes, a number of rules are already proposed. This paper proposed a new method to resol

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Eiras, Fabio Cocchi da Silva, and Wagner Luiz Zucchi. "A Statistical Method for Area Coverage Estimation and Loss Probability Analysis on Mobile Sensor Networks." Proceedings 42, no. 1 (2019): 27. http://dx.doi.org/10.3390/ecsa-6-06531.

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Sensor networks are formed by fixed or mobile sensor nodes and their functions are to capture the events that occur within a certain area and then relay to a central node. Normally, sensor nodes are not able to transmit or receive information over long distances due to the need to use less energy and thus extend their useful life. Therefore, the number of sensor nodes in a given area directly influences the coverage of this area and the ability of information to be relayed by several sensors to the central node. If there are many missed messages, the application will have its performance compr

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Benammar, Mohieddine A., Sabbir H. M. Ahmad, Abderrazak Abdaoui, et al. "A Smart Rig for Calibration of Gas Sensor Nodes." Sensors 20, no. 8 (2020): 2341. http://dx.doi.org/10.3390/s20082341.

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Electrochemical gas sensors require regular maintenance to check and secure proper functioning. Standard procedures usually involve testing and recalibration of the sensors, for which working environments are needed. Periodic calibration is therefore necessary to ensure reliable and accurate measurements. This paper proposes a dedicated smart calibration rig with a set of novel features enabling simultaneous calibration of multiple sensors. The proposed calibration rig system comprises a gas mixing system, temperature control system, a test chamber, and a process-control PC that controls all c

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Vega Luna, José Ignacio, Mario Alberto Lagos Acosta, and Gerardo Salgado Guzmán. "Monitoreo de concentración de monóxido de carbono usando tecnología Long-Range." Ingenius, no. 18 (July 1, 2017): 73. http://dx.doi.org/10.17163/ings.n18.2017.09.

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Se presenta un sistema de monitoreo remoto de sensores de monóxido de carbono (CO) en un hospital usando transceptores Long-Range. Un gas altamente tóxico que no puede ser detectado por el ser humano y que causa daños en la salud es el CO. Existen zonas de hospitales donde la pureza del aire es mayor a 90 % y es monitoreada continuamente. El objetivo de este trabajo fue diseñar un sistema inalámbrico que reporte a un servidor ubicado en la Internet los niveles de concentración de CO de diez sensores dispuestos en áreas de un hospital. Se implantó una red de área amplia de bajo consumo de energ

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Dr. Soundara Rajan, Pradeep K. G. M. ,. Dr S. VENKATESAN,. "A NEURAL NETWORK BASED SMART BUILDING MONITORING SYSTEM USING WIRELESS SENSOR NETWORK." INFORMATION TECHNOLOGY IN INDUSTRY 9, no. 1 (2021): 232–39. http://dx.doi.org/10.17762/itii.v9i1.123.

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A Smart building monitoring System uses Sensors like temperature Sensor, humidity sensor, motion / occupancy Sensor, contact sensor, Gas/air quality Sensor, Strain Sensor, electrical current monitoring Sensor etc for monitoring an environmental factors and to control devices such as air conditioner, ventilator, alarm, Security grand system etc using sensor information. Our proposed system uses effective neural network to gather information from different Sensor and consolidate it by Information Isolation Node (IIN) and send to sink node The Sink node sends information. to cloud where remote mo

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Kincaid, Rex K., and Robin M. Givens. "Heuristics for Mixed Strength Sensor Location Problems." International Journal of Operations Research and Information Systems 11, no. 2 (2020): 53–65. http://dx.doi.org/10.4018/ijoris.2020040104.

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Location-detection problems are pervasive. Examples include the detection of faults in microprocessors, the identification of contaminants in ventilation systems, and the detection of illegal logging in rain forests. In each of these applications a network provides a convenient modelling paradigm. Sensors are placed at particular node locations that, by design, uniquely detect and locate issues in the network. Open locating-dominating (OLD) sets constrain a sensor's effectiveness by assuming that it is unable to detect problems originating from the sensor location. Sensor failures may be cause

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Ha, Duy-Hung, Duy-Binh Ha, Van-Truong Truong, Van-Duc Phan, and Q. S. Vu. "Performance enhancement of wireless sensor network by using non-orthogonal multiple access and sensor node selection schemes." Indonesian Journal of Electrical Engineering and Computer Science 21, no. 2 (2021): 886. http://dx.doi.org/10.11591/ijeecs.v21.i2.pp886-894.

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In this paper, we investigate a relaying wireless sensor network (WSN) with the non-orthogonal multiple access (NOMA) and sensor node selection schemes over Rayleigh fading. Precisely, the system consists of two sensor clusters, a sink node, and an amplify-and-forward (AF) relay. These sensors applying the NOMA and sensor node selection schemes transmit the sensing data from the sensor clusters via the relay to the sink. We derived the expressions of outage probability and throughput for two sensor nodes. We also provide numerical results to examine the behavior of the system. Finally, we veri

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Spoorthi, K., Saha Snehanshu, and Mathur Archana. "Discrete Path Selection and Entropy Based Sensor Node Failure Detection in Wireless Sensor Networks." Cybernetics and Information Technologies 16, no. 3 (2016): 137–53. http://dx.doi.org/10.1515/cait-2016-0039.

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Abstract Exertion of wireless sensor networks has been increasing in recent years, and it imprints in almost all the technologies such as machine industry, medical, military and civil applications. Due to rapid growth in electronic fabrication technology, low cost, efficient, multifunctional and accurate sensors can be produced and thus engineers tend to incorporate many sensors in the area of deployment. As the number of sensors in the field increases, the probability of failure committed by these sensors also increases. Hence, efficient algorithms to detect and recover the failure of sensors

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Karmakar, Koushik, Sohail Saif, Suparna Biswas, and Sarmistha Neogy. "A WBAN-Based Framework for Health Condition Monitoring and Faulty Sensor Node Detection Applying ANN." International Journal of Biomedical and Clinical Engineering 10, no. 2 (2021): 44–65. http://dx.doi.org/10.4018/ijbce.2021070104.

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Remote health monitoring framework using wireless body area network with ubiquitous support is gaining popularity. However, faulty sensor data may prove to be critical. Hence, faulty sensor detection is necessary in sensor-based health monitoring. In this paper, an artificial neural network (ANN)-based framework for learning about health condition of patients as well as fault detection in the sensors is proposed. This experiment is done based on human cardiac condition monitoring setup. Related physiological parameters have been collected using wearable sensors from different people. These dat

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Et. al., Rajesh Kumar Garg,. "Energy Efficient Wireless Sink Node for Monitoring of Snow Environment." Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 2 (2021): 1775–85. http://dx.doi.org/10.17762/turcomat.v12i2.1514.

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Conventionally, sink node is considered to have large hardware and energy resources; however, many times sink node is working in same conditions as source nodes, especially when deployed for monitoring of the snow environment. In this paper, an effort has been made to practically realize a sink node which is energy efficient and cost effective for monitoring applications. To save energy, the Main Power Module is designed to provide controlled powers to sensors and sub-modules. The paper discusses design aspects of the sink node and its long-term field evaluation with environmental sensors, esp

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Nugroho, Rino, Mahar Faiqurahman, and Zamah Sari. "Implementasi Push Message Dengan Menggunakan Restful Web Service Pada Komunikasi Wireless Sensor." Jurnal Repositor 2, no. 1 (2020): 79. http://dx.doi.org/10.22219/repositor.v2i1.207.

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Wireless Sensor Network (WSN) is a wireless network consisting of one or more nodes even numbering thousands. The nodes in the wireless sensor network (WSN) consist of sensor nodes and sink nodes. The use of wireless sensors on the network can form a node that can communicate with each other. The communication process generally uses a pull mechanism that precedes the data query process from the node to node sensor that provides sensing data. In some wireless sensor node architecture, this pull mechanism is considered less effective because the node sink must first request data to the sensor no

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Qu, Ming Zhe. "Research on the Applications and Characteristics of the Wireless Sensor Network." Applied Mechanics and Materials 538 (April 2014): 498–501. http://dx.doi.org/10.4028/www.scientific.net/amm.538.498.

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A wireless sensor network (WSN) consists of spatially distributed autonomous sensors to monitor physical or environmental conditions, such as temperature, sound, pressure, etc. and to cooperatively pass their data through the network to a main location. The more modern networks are bi-directional, also enabling control of sensor activity. The development of wireless sensor networks was motivated by military applications such as battlefield surveillance; today such networks are used in many industrial and consumer applications, such as industrial process monitoring and control, machine health m

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Ahmed, Mohammed M. "SALP Swarm Optimization Approach for Maximization The Lifetime of Wireless Sensor Network." Indian Journal of Data Communication and Networking 1, no. 2 (2021): 16–20. http://dx.doi.org/10.35940/ijdcn.b5006.041221.

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In recent years, the maximization of a lifetime for wireless sensor networks is considered an important area for researchers. The wireless sensor networks (WSNs) contain two types of sensors that called sensor nodes and sink nodes which sensor node send information to the central node (sink node) that collected its data. Choosing the best location of sink node considered the critical problem that faces the lifetime of wireless sensor networks. In this paper, we propose a method that choosing best location of a sink node by applying Salp Swarm Algorithm (SSA) after determining sink node locatio

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Ahmed, Mohammed M. "SALP Swarm Optimization Approach for Maximization The Lifetime of Wireless Sensor Network." Indian Journal of Data Communication and Networking 1, no. 2 (2021): 16–20. http://dx.doi.org/10.54105/ijdcn.b5006.041221.

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In recent years, the maximization of a lifetime for wireless sensor networks is considered an important area for researchers. The wireless sensor networks (WSNs) contain two types of sensors that called sensor nodes and sink nodes which sensor node send information to the central node (sink node) that collected its data. Choosing the best location of sink node considered the critical problem that faces the lifetime of wireless sensor networks. In this paper, we propose a method that choosing best location of a sink node by applying Salp Swarm Algorithm (SSA) after determining sink node locatio

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Martínez, Fernando, Franklin Ruiz, Gabriela Barrazueta, and Pablo Lozada. "Red de Sensores Inalámbricos para la Supervisión y Control en Tiempo Real de Fallas en Luminarias del Alumbrado Público." Revista Perspectivas 4, no. 1 (2022): 8–16. http://dx.doi.org/10.47187/perspectivas.vol4iss1.pp8-16.2022.

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Se implementó una red de sensores inalámbricos para el control de fallas del alumbrado público con topología estrella, basada en comunicación ZigBee entre el nodo router y el nodo coordinador. El primer nodo trabaja con una tarjeta de desarrollo Arduino para procesar la información de la luminaria proveniente de los sensores de corriente, voltaje y posición, para luego enviarla al coordinador mediante módulos Xbee. El segundo nodo trabaja con dos tarjetas de desarrollo: Arduino procesa la información de los nodos routers en conjunto con su luminaria propia y Raspberry Pi envía los datos obteni

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Paszkiewicz, Andrzej, and Jan Węgrzyn. "Responsiveness of the Sensor Network to Alarm Events Based on the Potts Model." Sensors 20, no. 23 (2020): 6979. http://dx.doi.org/10.3390/s20236979.

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The paper aims to present modelling the sensor network operation based on the Potts model. The authors presented own approach based on three states in which each node can be. The change in the state of a given node depends on its current state, the impact of surrounding nodes on it, but also values of the parameters measured. Therefore, the Hamiltonian was introduced as a dependence of both exceeding the limit value of a measured parameter (corresponding to an alarm event), and the state of the battery powering a given node of a sensor. The simulations of the implemented algorithm based on the

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Kuang, Xing Hong, Zhe Yi Yao, Hai Bo Huo, Jun Jun Li, and Yan Xiang Wu. "The Design of the Sensor Node of IOT Based on SIM20." Advanced Materials Research 605-607 (December 2012): 2375–78. http://dx.doi.org/10.4028/www.scientific.net/amr.605-607.2375.

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The sensor node is important component part of the Internet Of Things. The sensor node circuit based on SIM20 module was implemented in the paper. The design of the wireless RF circuit and the energy management circuit were described in detail. The reliable link between the sensors and the gate are achieved by the developed product.

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Zaid, Jamal, Abdulhadi E. Abdulhadi, and Tayeb A. Denidni. "Miniaturized Multi-Port Microstrip Patch Antenna Using Metamaterial for Passive UHF RFID-Tag Sensor Applications." Sensors 19, no. 9 (2019): 1982. http://dx.doi.org/10.3390/s19091982.

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In this paper, a miniaturized Ultra High Frequency Radio Frequency Identification (UHF-RFID) tag-based sensor antenna using a magneto- dielectric substrate (MDS) for wireless identification and sensor applications is presented. Two models of RFID tag-based sensors are designed, fabricated and measured. The first model uses two RFID tags; both of the tags are incorporated with two RFID chips. A passive sensor is also integrated in one of the proposed tags to serve as a sensor node, while the other tag is used as a reference node. Based on the difference in the minimum power required to activate

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Li, Jian, Chuan Kun Li, Kun Li, Cheng Wang, and Rui Yue. "A Node Design for Wireless Multi-Mode Sensor." Advanced Materials Research 864-867 (December 2013): 2812–16. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.2812.

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To solve the problem that the present geological monitoring system's large size and high power consumption, this paper designed a miniaturized and high integrated geological monitoring sensor node. The node uses acceleration sensors and temperature-humidity sensors to detect the environmental parameter, and use GPRS module to construct wireless transmission system, which greatly improves transmission distance and reduces the difficulty of the networking, and uses MSP430F5 series micro-controller to control the node. After experiments and testings, the multi-mode wireless sensor nodes introduce

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Shukur, Marwan Ihsan. "S-CDCA: a semi-cluster directive-congestion protocol for priority-based data in WSNs." Indonesian Journal of Electrical Engineering and Computer Science 23, no. 1 (2021): 438. http://dx.doi.org/10.11591/ijeecs.v23.i1.pp438-444.

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The internet of things (IoT) protocols and regulations are being developed forvarious applications includes: habitat monitoring, machinery control, general health-care, smart-homes and more. A great part of I0T comprised of sensors nodes in connected networks (i.e. sensor networks.). A sensor network is a group of nodes with sensory module and computational elements connected through network interfaces. The most interesting type of sensor networks are wireless sensor networks. The nodes here are connected through wirless interfaces. The shared medium between these nodes, creates different chal

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Mosey, Handy Indra Regain. "Pengembangan Purwarupa Node Multi Sensor Pemantau Parameter Cuaca Berbasis Mikrokontroler." Jurnal MIPA 6, no. 1 (2017): 21. http://dx.doi.org/10.35799/jm.6.1.2017.15974.

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Telah dilakukan penelitian untuk membuat purwarupa node multi sensor yang dapat digunakan sebagai pemantau parameter cuaca. Informasi kondisi cuaca secara local sekarang ini dirasakan cukup penting untuk diketahui secepatnya untuk mendukung bidang ilmu lain yang berkaitan dengannya. Dalam penelitian ini telah berhasil dibuat node multi sensor dengan menggunakan beberapa sensor sekaligus yaitu sensor tekanan, sensor cahaya, sensor hujan, sensor suhu dan mikrokontroler sebagai pengendali. Data yang didapat dari pembacaan node kemudian dibandingkan dengan data dari aplikasi pemantau cuaca daring.

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Silva, Artur de Araujo, Claudio Floridia, and Joao Batista Rosolem. "Study of a Current and Voltage Polarization Sensor Network." Sensors 21, no. 13 (2021): 4528. http://dx.doi.org/10.3390/s21134528.

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Sensors based on polarization are suitable for application in power grids due to their excellent characteristics, such as high electrical insulation, non-magnetic saturation, oil-free, no risk of explosive failures, and high bandwidth. Utility companies are incorporating new technologies that are driving the evolution of electrical systems. Thus, it is interesting to evaluate the possibility of using polarization sensors in a network configuration. In this work, we present an experimental study of a current and voltage polarization sensor network applied to a medium voltage distribution grid.

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Ganesan, T., and Pothuraju Rajarajeswari. "Hybrid Genetic Algorithm With Haar Wavelet for Maximum Target Coverage Node Deployment in Wireless Sensor Networks." Journal of Cases on Information Technology 23, no. 3 (2021): 78–95. http://dx.doi.org/10.4018/jcit.20210701.oa6.

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Wireless sensor networks (WSNs) are used in industrial applications and focused on target coverage and node connectivity based WSNs. The set of sensors and targets is placed in optimal position the target coverage and node connectivity achieving maximum with limited senor nodes. To resolve this problem, the proposed hybrid genetic algorithm combined with lifting wavelet multi-resolution principles for recognizing optimal position for sensors to cover entire targets present in the fields. The hybrid genetic algorithm randomly identifies each sensor position and 2D Haar lifting wavelet transform

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Saihi, Marwa, Ahmed Zouinkhi, Boumedyen Boussaid, Mohamed Naceur Abdelkarim, and Guillaume Andrieux. "Hidden Gaussian Markov model for distributed fault detection in wireless sensor networks." Transactions of the Institute of Measurement and Control 40, no. 6 (2017): 1788–98. http://dx.doi.org/10.1177/0142331217691334.

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Wireless sensor networks are based on a large number of sensor nodes used to measure information like temperature, acceleration, displacement, or pressure. The measurements are used to estimate the state of the monitored system or area. However, the quality of the measurements must be guaranteed to ensure the reliability of the estimated state of the system. Actually, sensors can be used in a hostile environment such as, on a battle field in the presence of fires, floods, earthquakes. In these environments as well as in normal operation, sensors can fail. The failure of sensor nodes can also b

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Cardei, Mihaela, David MacCallum, Maggie Xiaoyan Cheng, et al. "Wireless Sensor Networks with Energy Efficient Organization." Journal of Interconnection Networks 03, no. 03n04 (2002): 213–29. http://dx.doi.org/10.1142/s021926590200063x.

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A critical aspect of applications with wireless sensor networks is network lifetime. Battery-powered sensors are usable as long as they can communicate captured data to a processing node. Sensing and communications consume energy, therefore judicious power management and scheduling can effectively extend the operational time. One important class of wireless sensor applications of deployment of large number of sensors in an area for environmental monitoring. The data collected by the sensors is sent to a central node for processing. In this paper we propose an efficient method to achieve energy

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Chen, Yu, Xiao Xiao Wang, Corrie H. C. Ng, Sai Wah Tsao, and Wai Keung Leung. "Toll-Like Receptors 1/2/4/6 and Nucleotide-Binding Oligomerization Domain-Like Receptor 2 Are Key Damage-Associated Molecular Patterns Sensors on Periodontal Resident Cells." Applied Sciences 11, no. 11 (2021): 4724. http://dx.doi.org/10.3390/app11114724.

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Background: Toll-like receptors (TLRs) and nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs) are innate, damage-associated molecular patterns (DAMP) sensors. Their expressions in human periodontal resident cells and reactions toward irritations, such as hypoxia and lipopolysaccharide (LPS), remain not well characterized. This cross-sectional study aimed to investigate and characterize TLRs, NOD1/2 and NLRP1/2 expressions at the dento-gingival junction. Methods: Immunohistochemistry screening was carried out on periodontal tissue biopsies sections, while selected DAMP sensor

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Baker, Paul J., Dominic De Nardo, Fiona Moghaddas, et al. "Posttranslational Modification as a Critical Determinant of Cytoplasmic Innate Immune Recognition." Physiological Reviews 97, no. 3 (2017): 1165–209. http://dx.doi.org/10.1152/physrev.00026.2016.

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Cell surface innate immune receptors can directly detect a variety of extracellular pathogens to which cytoplasmic innate immune sensors are rarely exposed. Instead, within the cytoplasm, the environment is rife with cellular machinery and signaling pathways that are indirectly perturbed by pathogenic microbes to activate intracellular sensors, such as pyrin, NLRP1, NLRP3, or NLRC4. Therefore, subtle changes in key intracellular processes such as phosphorylation, ubiquitination, and other pathways leading to posttranslational protein modification are key determinants of innate immune recogniti

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Luo, Xin-long, Wei Li, and Jia-ru Lin. "Geometric Location Based on TDOA for Wireless Sensor Networks." ISRN Applied Mathematics 2012 (January 11, 2012): 1–10. http://dx.doi.org/10.5402/2012/710979.

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Wireless sensor networks (WSNs) consist of a large number of low-cost miniature sensors, which can be applied to battlefield surveillance, environmental monitoring, target tracking, and other applications related to the positions of sensors. The location information of sensors is of great importance for wireless sensor networks. In this paper, we propose a new localization algorithm for the wireless sensor network based on time difference of arrival (TDOA), which is a typical algorithm in the wireless localization field. In order to improve the localization accuracy of a sensor, a new strategy

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Kumar, Neeraj, and R. B. Patel. "A QoS aware Framework to support Minimum Energy Data Aggregation and Routing in Wireless Sensor Networks." International Journal of Advanced Pervasive and Ubiquitous Computing 1, no. 4 (2009): 91–106. http://dx.doi.org/10.4018/japuc.2009100106.

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In a wireless sensor network (WSN), the sensor nodes obtain data and communicate its data to a centralized node called base station (BS) using intermediate gateway nodes (GN). Because sensors are battery powered, they are highly energy constrained. Data aggregation can be used to combine data of several sensors into a single message, thus reducing sensor communication costs and energy consumption. In this article, the authors propose a QoS aware framework to support minimum energy data aggregation and routing in WSNs. To minimize the energy consumption, a new metric is defined for the evaluati

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Fan, Zhiyao, Tianhong Pan, and Li Ma. "Development of Metal Polishing Dust Monitoring System using the Internet of Things and Cloud Server." International Journal of Online and Biomedical Engineering (iJOE) 15, no. 04 (2019): 53. http://dx.doi.org/10.3991/ijoe.v15i04.8971.

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In order to increase the management efficiency and decrease the maintenance costs in the traditional dust monitoring system, a novel real-time remote monitoring system using the Internet of Things and cloud server is proposed in this paper. The system includes several sensor nodes, a sink node and Cloud Server. The high-precision dust probe, temperature and humidity sensors, water flow sensors and hydrogen transmitters are integrated together into a sensor node to access the metal polished environmental information. Then, the collected information is transmitted to sink-node using the 2.4G wir

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Prasetyo, Inung Bagus, Mahar Faiqurahman, and Zamah Sari. "Rancang Bangun Control dan Monitoring Sensor Node WSN Menggunakan Protokol Message Queue Telemetry Transport (MQTT)." Jurnal Repositor 2, no. 1 (2020): 15. http://dx.doi.org/10.22219/repositor.v2i1.476.

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The WSN network is increasingly gaining attention because of the potential for new and attractive solutions in the field of industrial automation, asset processing, environmental preparation and others. But there are some problems in building the WSN network. Sensor nodes must manage small, cost-effective, low-resource, node sensors must be managed properly with WSN networks Managing WSN networks, can be done by controlling sensor nodes such as giving commands to data transmission activities and monitoring to determine the condition of sensor nodes. The MQTT protocol with the type of publishin

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