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Author: Alberto Gonzalez Vilchez
Publisher:
ISBN:
Category :
Languages : es
Pages :
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A wireless sensor network (WSN) is a network of autonomously spatially distributed devices capable of establishing wireless communications and equipped with sensors to monitor environmental conditions in the environment. The nodes are characterized by low-resource devices, usually consisting of a microcontroller, a radio module, one or more sensors and batteries as a power source. Wireless sensor networks are based on the IEEE 802.15.4 standard, whose purpose is to define basic network levels to enable communications between devices with few resources. Wireless sensor networks have a great relationship with the Internet of Things, a concept that aims to interconnect the objects of our everyday life with the Internet. This concept has the great challenge that each person is surrounded by approximately 1,000-5,000 objects, so they should be coded 50 to 100,000 billion objects, that is where IPv6 addressing plays a key role, as it is the only technology possible to connect billions of devices. In this scenario, 6LoWPAN is born, a standard that makes possible the use of IPv6 addresses in networks based on the IEEE 802.15.4 standard to be able to communicate the nodes of the network with other IP devices. These networks have a large number of applications where they can be applied as in monitoring areas, applications focused on the medical, environmental and industry sectors. The objective of this project is to develop a wireless sensor network to collect environmental information from the environment based on the 6LoWPAN standard using the Arduino platform. To do this, a first study of the main existing platforms is made to work with the standard 6LoWPAN and Arduino. Once we have the platform that we consider is best adjusted to our needs, we proceed to develop our sensor network taking into account critical points such as the sizing of the batteries to feed the nodes of our network and the requirements of our network such as the use of the 6LoWPAN standard . The scope of this project consists of the development of the sensor network and an administration panel to be able to view the data collected by the sensors. Finally, the results obtained from the development of the wireless sensor network and its administration panel will be shown.
Author: Alberto Gonzalez Vilchez
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Book Description
A wireless sensor network (WSN) is a network of autonomously spatially distributed devices capable of establishing wireless communications and equipped with sensors to monitor environmental conditions in the environment. The nodes are characterized by low-resource devices, usually consisting of a microcontroller, a radio module, one or more sensors and batteries as a power source. Wireless sensor networks are based on the IEEE 802.15.4 standard, whose purpose is to define basic network levels to enable communications between devices with few resources. Wireless sensor networks have a great relationship with the Internet of Things, a concept that aims to interconnect the objects of our everyday life with the Internet. This concept has the great challenge that each person is surrounded by approximately 1,000-5,000 objects, so they should be coded 50 to 100,000 billion objects, that is where IPv6 addressing plays a key role, as it is the only technology possible to connect billions of devices. In this scenario, 6LoWPAN is born, a standard that makes possible the use of IPv6 addresses in networks based on the IEEE 802.15.4 standard to be able to communicate the nodes of the network with other IP devices. These networks have a large number of applications where they can be applied as in monitoring areas, applications focused on the medical, environmental and industry sectors. The objective of this project is to develop a wireless sensor network to collect environmental information from the environment based on the 6LoWPAN standard using the Arduino platform. To do this, a first study of the main existing platforms is made to work with the standard 6LoWPAN and Arduino. Once we have the platform that we consider is best adjusted to our needs, we proceed to develop our sensor network taking into account critical points such as the sizing of the batteries to feed the nodes of our network and the requirements of our network such as the use of the 6LoWPAN standard . The scope of this project consists of the development of the sensor network and an administration panel to be able to view the data collected by the sensors. Finally, the results obtained from the development of the wireless sensor network and its administration panel will be shown.
Author: Ana De Pablo Escolá
Publisher:
ISBN:
Category :
Languages : es
Pages :
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Author: Jordi Vilaseca Posa
Publisher:
ISBN:
Category :
Languages : es
Pages :
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[CASTELLÀ] Entre los principales objetivos de las smart cities figuran la mejora de la gestión de los recursos energéticos de la ciudad, la disminución de los niveles de contaminación y el aumento de la calidad de vida de la ciudadanía. Una de las tecnologías que permiten la recogida de datos para la consecución de estos objetivos son las redes inalámbricas de sensores (WSN, Wireless Sensor Networks). El hecho de que los nodos que forman estas redes se comuniquen vía radio y que puedan estar alimentados por baterías o por fuentes de alimentación renovables facilita su despliegue, ya que no es necesaria ninguna infraestructura previa. En este trabajo se ha diseñado y desarrollado una red inalámbrica de sensores para la creación de smart cities. Uno de los criterios que se han tenido en cuenta es que la red se pudiera integrar con una plataforma innovadora de gestión de energía de la ciudad. Esta plataforma integra distintos servicios embebidos (puntos de acceso WiFi, cámaras IP, sistemas de señalización digital, pantallas LED, mecanismos de medición inteligentes) en las luminarias de la infraestructura pública de iluminación. La conectividad con Internet se obtiene mediante una red de acceso BPL/PLC que se extiende a través del cableado eléctrico que une las distintas luminarias. La plataforma dispone de un centro de gestión remoto basado en tecnología cloud computing donde todos los datos, incluidos los de los sensores, son almacenados y analizados para la toma "inteligente" de decisiones. Las luminarias se presentan como una ubicación ideal para los nodos de una WSN, porque además de ofrecer protección frente a las condiciones de intemperie y de los actos vandálicos permiten que los nodos se puedan alimentar a través de la red eléctrica. Además, al disponer de acceso a Internet, se soluciona el problema que muchas veces supone el tener que dotar de conectividad IP al dispositivo gateway. La WSN resultante de este trabajo está basada en la plataforma comercial TelosB corriendo bajo el sistema operativo embebido TinyOS. Para la interconexión de estos dispositivos con los sensores que finalmente se ha decidido integrar, se ha utilizado la placa de conexiones auxiliar CBoard. En algunos casos, ha sido necesario diseñar e implementar circuitos adicionales para la conexión de los sensores con la placa auxiliar. Los sensores que se han elegido deberían permitir la implementación de diversos servicios relacionados con la gestión de los recursos de una ciudad. Los módulos software desarrollados permiten la lectura periódica de los sensores, el procesado de los datos adquiridos y su transmisión vía radio hasta un elemento gateway o sumidero. Las comunicaciones radio siguen el estándar IEEE 802.15.4 y se utiliza el protocolo de encaminamiento multisalto NST-AODV. Otras facilidades que se han incorporado al sistema son la agregación de datos y la reprogramación de nodos por el aire. El dispositivo gateway, que tiene conectividad IP, presenta la capacidad de encapsular los datos provenientes de los sensores en una estructura JSON y los puede transmitir, a través de Internet, a un centro de gestión remoto.
Author: Syed A. Ahson
Publisher: CRC Press
ISBN: 1420045482
Category : Technology & Engineering
Languages : en
Pages : 248
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As the demand for broadband services continues to grow worldwide, traditional solutions, such as digital cable and fiber optics, are often difficult and expensive to implement, especially in rural and remote areas. The emerging WiMAX system satisfies the growing need for high data-rate applications such as voiceover IP, video conferencing, interactive gaming, and multimedia streaming. WiMAX deployments not only serve residential and enterprise users but can also be deployed as a backhaul for Wi-Fi hotspots or 3G cellular towers. By providing affordable wireless broadband access, the technology of WiMAX will revolutionize broadband communications in the developed world and bridge the digital divide in developing countries. Part of the WiMAX Handbook, this volume focuses on the applications of WiMAX. The book describes the logical architecture of IEEE 802.16, introduces some of the main IEEE 802.16 family standards, compares WiMAX to Wi-Fi, and studies the feasibility of supporting VoIP over WiMAX. It also looks at the residential use of WiMAX as well as the strategies of using WiMAX in remote locales and rural communities. In addition, the book examines the backhaul requirements of a large fixed wireless network and the problem of centralized routing and scheduling for IEEE 802.16 mesh networks. With the revolutionary technology of WiMAX, the lives of many will undoubtedly improve, thereby leading to greater economic empowerment.
Author: International Commission of Agricultural Engineering
Publisher: American Society of Agricultural & Biological Engineers
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 360
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Author: Andrew Emmerson
Publisher: Damaris Publishing
ISBN: 9780902390171
Category : Railroads
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Adaptive control systems
Languages : en
Pages : 4385
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Author: Ardeshir Guran
Publisher: World Scientific
ISBN: 9810226527
Category : Mathematics
Languages : en
Pages : 0
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This book is concerned with electrostructural systems, particularly the interaction between the control of the structural and electrical (electronic) components. Structronics is a new emerging area with many potential applications in the design of high-performance structures, adaptive structures, high-precision systems, and micro-systems. As structures are increasingly being controlled by electronics, the problems of structural engineering can be separated less and less from those of electronic engineering and control engineering. This graduate-level book fills a gap in the literature by considering these problems while giving an overview of the current state of analysis, modelling and control for structronic systems. It is a coherent compendium written by leading experts in this new research area and gives readers a sophisticated toolbox that will allow them to tackle the modelling and control of smart structures. The inclusion of an extensive, up-to-date bibliography and index makes this volume an invaluable standard for professional reference.Because of the large number of contributions to the present volume, it has been subdivided into two parts, of which this is Part I. This book will be of interest to engineers, materials scientists, physicists and applied mathematicians.The synergistic integration of active (smart) materials, structures, sensors, actuators, and control electronics has redefined the concept of structures from a conventional passive elastic system to an active (life-like) structronic (structure ] electronic) system with inherent self-sensing, diagnosis, and control capabilities. Because of its multi-disciplinary nature, the development of structronic systems has attracted researchers and scientists from many disciplines, such as structures, materials, control, electronics, mathematics, manufacturing, electromechanics, and mechanics. In practical applications, this new structronic system can be used as a component of high-performance machines or structural systems, or be an integrated structure itself performing designated function(s).Most common active (smart) materials, such as piezoelectrics, shape-memory alloys, electro- and magneto-strictive materials, and polyelectrolyte gels have been reviewed in Part I. Application examples are also provided and research issues reported on. While the first part focuses primarily on materials and structures, Part II emphasizes control applications and intelligent systems. With the information provided in this two-volume book, scientists and researchers can easily grasp the state of the art of smart materials and structronic systems, and are ready to pursue their own research and development endeavors.
Author: Riko Kobayashi
Publisher: Nova Publishers
ISBN: 9781604560374
Category : Education
Languages : en
Pages : 256
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Book Description
Educational technology is a creative blending of 'idea' and 'product' technologies with subject-matter content in order to engender and improve teaching and learning processes. Educational technology is often associated with the terms instructional technology or learning technology. 'Product' technologies are tangible; for example, computer hardware or software. 'Idea' technologies are cognitive frameworks or schemes; for example, the Multiple Intelligence Theory proposed by Howard Gardner. When products are thoughtfully blended with subject matter content (such as mathematics or science concepts) for a specific audience in a specific educational context (such as a school), one is using 'educational technology'. The words educational and technology in the term educational technology have the general meaning. Educational technology is not restricted to the education of children, nor to the use of high technology.
Author: N. Mastorakis
Publisher:
ISBN: 9789608052390
Category : Artificial intelligence
Languages : en
Pages : 604
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