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Author : V VIKAS
Publisher : Archers & Elevators Publishing House
ISBN 13 : 8119385942
Total Pages : 101 pages
Book Rating : 4.1/5 (193 download)
Download or read book LOCALISATION IN WIRELESS SENSOR NETWORK USING LABVIEW written by V VIKAS and published by Archers & Elevators Publishing House. This book was released on with total page 101 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adnan Mohammed Abu-Mahfouz
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (956 download)
Download or read book Accurate and Efficient Localisation in Wireless Sensor Networks Using a Best-reference Selection written by Adnan Mohammed Abu-Mahfouz and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Many wireless sensor network (WSN) applications depend on knowing the position of nodes within the network if they are to function efficiently. Location information is used, for example, in item tracking, routing protocols and controlling node density. Configuring each node with its position manually is cumbersome, and not feasible in networks with mobile nodes or dynamic topologies. WSNs, therefore, rely on localisation algorithms for the sensor nodes to determine their own physical location. The basis of several localisation algorithms is the theory that the higher the number of reference nodes (called references') used, the greater the accuracy of the estimated position. However, this approach makes computation more complex and increases the likelihood that the location estimation may be inaccurate. Such inaccuracy in estimation could be due to including data from nodes with a large measurement error, or from nodes that intentionally aim to undermine the localisation process. This approach also has limited success in networks with sparse references, or where data cannot always be collected from many references (due for example to communication obstructions or bandwidth limitations). These situations require a method for achieving reliable and accurate localisation using a limited number of references. Designing a localisation algorithm that could estimate node position with high accuracy using a low number of references is not a trivial problem. As the number of references decreases, more statistical weight is attached to each reference's location estimate. The overall localisation accuracy therefore greatly depends on the robustness of the selection method that is used to eliminate inaccurate references. Various localisation algorithms and their performance in WSNs were studied. Information-fusion theory was also investigated and a new technique, rooted in information-fusion theory, was proposed for defining the best criteria for the selection of references. The researcher chose selection criteria to identify only those references that would increase the overall localisation accuracy. Using these criteria also minimises the number of iterations needed to refine the accuracy of the estimated position. This reduces bandwidth requirements and the time required for a position estimation after any topology change (or even after initial network deployment). The resultant algorithm achieved two main goals simultaneously: accurate location discovery and information fusion. Moreover, the algorithm fulfils several secondary design objectives: self-organising nature, simplicity, robustness, localised processing and security. The proposed method was implemented and evaluated using a commercial network simulator. This evaluation of the proposed algorithm's performance demonstrated that it is superior to other localisation algorithms evaluated: using fewer references, the algorithm performed better in terms of accuracy, robustness, security and energy efficiency. These results confirm that the proposed selection method and associated localisation algorithm allow for reliable and accurate location information to be gathered using a minimum number of references. This decreases the computational burden of gathering and analysing location data from the high number of references previously believed to be necessary.
Author : Songsheng Li
Publisher :
ISBN 13 :
Total Pages : 322 pages
Book Rating : 4.:/5 (852 download)
Download or read book Localisation of Wireless Sensor Network with Mobile Beacon by Dynamic Path written by Songsheng Li and published by . This book was released on 2013 with total page 322 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Muhammad Asri Ismail
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (93 download)
Download or read book MANET node localisation using wireless sensor network written by Muhammad Asri Ismail and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Adnan Mohammed I. Abu Mahfouz
Publisher :
ISBN 13 :
Total Pages : 340 pages
Book Rating : 4.:/5 (785 download)
Download or read book Accurate and Efficient Localisation in Wireless Sensor Networks Using a Best-reference Selection written by Adnan Mohammed I. Abu Mahfouz and published by . This book was released on 2011 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michalis Antoniou
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Localisation of Wireless Sensor Nodes in Confined Industrial Processes written by Michalis Antoniou and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Work described in this thesis is concerned with localisation techniques, for determining the position, of wireless sensors whilst these are immersed in confined industrial processes, such as those occurring in the chemical, pharmaceutical and food processing industries. Two different approaches to localisation were investigated. The first approach employed an existing hardware system that used ultra wide band (UWB) signals whist the second approach used a network localisation method based on information from narrow-band received signals. A prototype UWB-based localisation algorithm processed experimental received UWB pulses to detect their leading edges (LE) that were used to derive Time Difference of Arrival (TDoA) data. In turn TDoA data were converted into distances and used to compute the locations of the sensor nodes. Nevertheless, the process of detecting the LEs caused significant errors in the localisation process. To deal with this problem new automated adaptive LE detection methods were derived that succeeded in reducing localisation errors by half, compared to the prototype method, reaching accuracies of ±2cm. Thorough analysis of TDoA profiles revealed that these follow specific trends depending on the positions of the sensor nodes. A number of properties of TDoA profiles are proved mathematically and incorporated into seven localisation algorithms. These algorithms were examined using experimental TDoA data and shown to achieve average localisation errors up to 3cm. Network-based localisation was examined at a later stage of this research since complexities of large scale measurements and difficulties with equipment, delayed acquiring experimental data. The deployed network consisted of a number of nodes whose positions were known (anchors) that were used to estimate the positions of sensor nodes whose positions where considered to be unknown. Localisation was based on received signal strength (RSS) data, at every node to be localised, in anticipation that RSS could provide distance information that could be used in the localisation procedure. Nevertheless, fluctuations in RSS only allowed using localisation algorithms that associated RSS to the positions of anchors. The average localisation error in the network-based localisation algorithms was between 30cm to 100cm.
Author : Gabriel Adrian Deak
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book WiFind written by Gabriel Adrian Deak and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the use of wireless sensor networks has increased. This is due in part to the increasing miniaturization, decreasing costs and the identification of real-world scenarios where sensors can be deployed. Device-free Passive Localisation (DfPL) is the identification of a person without the need for any physical devices i.e. tags or sensors. A DfPL system uses the Received Signal Strength Indicator (RSSI) for monitoring and tracking changes in a Wireless Network infrastructure. The changes in the signal along with prior fingerprinting of a physical location allow identification of a person's location. The human body contains more than 70% water and it is known that resonance frequency of water is 2.4 GHz. Thus the human body reacts as an absorber attenuating the wireless signal. Many of the proposed RSSI-based technologies use the fingerprinting method for estimating the location of the tracked person. Fingerprinting in location estimation systems refers to a method that compares the fingerprint of some characteristic of a signal that is location dependent. This research is focused on implementing DfPL using a Wireless Sensor Network (WSN) to locate the presence of an individual within indoor locations. The main reason for deploying Wireless Sensor Network DfP Localisation is due in part to the benefits of deploying when a wireless network infrastructure is not available. Thus, a novel system that can identify multi-occupants in an environment using patterns of motion from those monitored areas has been deployed. A Pattern Recognition Neural etwork was used to identify two people in the environment. No other work based on the Device-free Passive Localisation (DfPL) technique has focused on multi-occupancy. DfPL is a new approach for detecting a person's presence and estimating the actual position of that person. Various functions such as: tracking, identification, multi-person and automatic construction of a passive radio map could be implemented for DfPL systems. This project is focused on addressing the possibility of deploying a multi-person localisation system based on Wireless Sensor Network DfPL. RSSI-based localisation techniques became more attractive because of their simplicity and robustness in environments affected by multipath compared to the techniques based on metrics like time or angle. The simplicity is achieved due to RSSI-based localisation systems not requiring additional hardware. Further, the RSSI values can be obtained by using functions that are already provided. How- ever, RSSI-based techniques are significantly affected by the variance of the wireless signal.
Author : Mao, Guoqiang
Publisher : IGI Global
ISBN 13 : 1605663972
Total Pages : 526 pages
Book Rating : 4.6/5 (56 download)
Download or read book Localization Algorithms and Strategies for Wireless Sensor Networks: Monitoring and Surveillance Techniques for Target Tracking written by Mao, Guoqiang and published by IGI Global. This book was released on 2009-05-31 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wireless localization techniques are an area that has attracted interest from both industry and academia, with self-localization capability providing a highly desirable characteristic of wireless sensor networks. Localization Algorithms and Strategies for Wireless Sensor Networks encompasses the significant and fast growing area of wireless localization techniques. This book provides comprehensive and up-to-date coverage of topics and fundamental theories underpinning measurement techniques and localization algorithms. A useful compilation for academicians, researchers, and practitioners, this Premier Reference Source contains relevant references and the latest studies emerging out of the wireless sensor network field.
Author : Markus G. R. Sause
Publisher : Springer Nature
ISBN 13 : 3030721922
Total Pages : 292 pages
Book Rating : 4.0/5 (37 download)
Download or read book Structural Health Monitoring Damage Detection Systems for Aerospace written by Markus G. R. Sause and published by Springer Nature. This book was released on 2021 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book presents established methods of structural health monitoring (SHM) and discusses their technological merit in the current aerospace environment. While the aerospace industry aims for weight reduction to improve fuel efficiency, reduce environmental impact, and to decrease maintenance time and operating costs, aircraft structures are often designed and built heavier than required in order to accommodate unpredictable failure. A way to overcome this approach is the use of SHM systems to detect the presence of defects. This book covers all major contemporary aerospace-relevant SHM methods, from the basics of each method to the various defect types that SHM is required to detect to discussion of signal processing developments alongside considerations of aerospace safety requirements. It will be of interest to professionals in industry and academic researchers alike, as well as engineering students. This article/publication is based upon work from COST Action CA18203 (ODIN - http://odin-cost.com/), supported by COST (European Cooperation in Science and Technology). COST (European Cooperation in Science and Technology) is a funding agency for research and innovation networks. Our Actions help connect research initiatives across Europe and enable scientists to grow their ideas by sharing them with their peers. This boosts their research, career and innovation.
Author : S. Smys
Publisher : Springer
ISBN 13 : 9811086818
Total Pages : 1035 pages
Book Rating : 4.8/5 (11 download)
Download or read book International Conference on Computer Networks and Communication Technologies written by S. Smys and published by Springer. This book was released on 2018-09-17 with total page 1035 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book features research papers presented at the International Conference on Computer Networks and Inventive Communication Technologies (ICCNCT 2018), offering significant contributions from researchers and practitioners in academia and industry. The topics covered include computer networks, network protocols and wireless networks, data communication technologies, and network security. Covering the main core and specialized issues in the areas of next-generation wireless network design, control, and management, as well as in the areas of protection, assurance, and trust in information security practices, these proceedings are a valuable resource, for researchers, instructors, students, scientists, engineers, managers, and industry practitioners.
Author : Paolo Gasparini
Publisher : Springer Science & Business Media
ISBN 13 : 3540722416
Total Pages : 363 pages
Book Rating : 4.5/5 (47 download)
Download or read book Earthquake Early Warning Systems written by Paolo Gasparini and published by Springer Science & Business Media. This book was released on 2007-08-10 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book provides information on the major EEW systems in operation and on the state-of-the-art of the different blocks forming an EW system: the rapid detection and estimation of the earthquake’s focal parameters, the signal transmission, the engineering interface and the information reliability/false alarm problem. It is the first time that so many aspects of EEW systems have been specifically focused upon within a single book.
Author : Roberto Verdone
Publisher : Academic Press
ISBN 13 : 0080558615
Total Pages : 391 pages
Book Rating : 4.0/5 (85 download)
Download or read book Wireless Sensor and Actuator Networks written by Roberto Verdone and published by Academic Press. This book was released on 2010-07-27 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt: When choosing the technology options to develop a wireless sensor network (WSN), it is vital that their performance levels can be assessed for the type of application intended. This book describes the different technology options – MAC protocols, routing protocols, localisation and data fusion techniques – and provides the means to numerically measure their performance, whether by simulation, mathematical models or experimental test beds. Case studies, based on the authors’ direct experience of implementing wireless sensor networks, describe the design methodology and the type of measurements used, together with samples of the performance measurements attained. Wireless Sensor and Actuator Networks will enable you to answer vital questions such as: How long will my network remain alive given the amount of sensing required of it? For how long should I set the sleeping state of my motes? How many sensors should I distribute to meet the expected requirements of the application? What type of throughput should I expect as a function of the number of nodes deployed and the radio interface chosen (whether it be Bluetooth or Zigbee)? How is the Packet Error Rate of my Zigbee motes affected by the selection of adjacent frequency sub bands in the ISM 2.4GHz band? How is the localisation precision dependant on the number of nodes deployed in a corridor? Communications and signal processing engineers, researchers and graduate students working in wireless sensor networks will find this book an invaluable practical guide to this important technology. "This book gives a proper balance between theory and application; it is a book for those R&D engineers that want to appreciate both why, how and in which domains Wireless Sensor Networks can be best applied." --Fabio Bellifemine, Telecom Italia "This book is a thorough and accessible exposition on wireless sensor networks with a good balance between theory and practice; it is valuable for both students and practicing engineers, and is an essential addition for engineering libraries." --Professor Moe Win, Associate Professor at the Laboratory for Information and Decision Systems (LIDS), Massachusetts Institute of Technology Only book to examine wireless sensor network technologies and assess their performance capabilities against possible applications Enables the engineer to choose the technology that will give the best performance for the intended application Case studies, based on the authors’ direct experience of implementing wireless sensor networks, describe the design methodology and the type of measurements used, together with samples of the performance measurements attained
Author : Grigore Havarneanu
Publisher : Springer
ISBN 13 : 331971368X
Total Pages : 360 pages
Book Rating : 4.3/5 (197 download)
Download or read book Critical Information Infrastructures Security written by Grigore Havarneanu and published by Springer. This book was released on 2017-11-21 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the post-conference proceedings of the 11th International Conference on Critical Information Infrastructures Security, CRITIS 2016, held in Paris, France, in October 2016. The 22 full papers and 8 short papers presented were carefully reviewed and selected from 58 submissions. They present the most recent innovations, trends, results, experiences and concerns in selected perspectives of critical information infrastructure protection covering the range from small-scale cyber-physical systems security via information infrastructures and their interaction with national and international infrastructures.
Author : B. T. Fijalkowski
Publisher : Springer Science & Business Media
ISBN 13 : 9400704097
Total Pages : 585 pages
Book Rating : 4.4/5 (7 download)
Download or read book Automotive Mechatronics: Operational and Practical Issues written by B. T. Fijalkowski and published by Springer Science & Business Media. This book was released on 2010-11-25 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents operational and practical issues of automotive mechatronics with special emphasis on the heterogeneous automotive vehicle systems approach, and is intended as a graduate text as well as a reference for scientists and engineers involved in the design of automotive mechatronic control systems. As the complexity of automotive vehicles increases, so does the dearth of high competence, multi-disciplined automotive scientists and engineers. This book provides a discussion into the type of mechatronic control systems found in modern vehicles and the skills required by automotive scientists and engineers working in this environment. Divided into two volumes and five parts, Automotive Mechatronics aims at improving automotive mechatronics education and emphasises the training of students’ experimental hands-on abilities, stimulating and promoting experience among high education institutes and produce more automotive mechatronics and automation engineers. The main subject that are treated are: VOLUME I: RBW or XBW unibody or chassis-motion mechatronic control hypersystems; DBW AWD propulsion mechatronic control systems; BBW AWB dispulsion mechatronic control systems; VOLUME II: SBW AWS diversion mechatronic control systems; ABW AWA suspension mechatronic control systems. This volume was developed for undergraduate and postgraduate students as well as for professionals involved in all disciplines related to the design or research and development of automotive vehicle dynamics, powertrains, brakes, steering, and shock absorbers (dampers). Basic knowledge of college mathematics, college physics, and knowledge of the functionality of automotive vehicle basic propulsion, dispulsion, conversion and suspension systems is required.
Author : Zhong Lin Wang
Publisher : Springer
ISBN 13 : 3319400398
Total Pages : 537 pages
Book Rating : 4.3/5 (194 download)
Download or read book Triboelectric Nanogenerators written by Zhong Lin Wang and published by Springer. This book was released on 2016-08-17 with total page 537 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces an innovative and high-efficiency technology for mechanical energy harvesting. The book covers the history and development of triboelectric nanogenerators, basic structures, working principles, performance characterization, and potential applications. It is divided into three parts: Part A illustrates the fundamental working modes of triboelectric nanogenerators with their prototype structures and theoretical analysis; Part B and Part C introduce two categories of applications, namely self-powered systems and self-powered active sensors. The book will be an ideal guide to scientists and engineers beginning to study triboelectric nanogenerators or wishing to deepen their knowledge of the field. Readers will be able to place the technical details about this technology in context, and acquire the necessary skills to reproduce the experimental setups for fabrication and measurement.
Author : S. R. Vijayalakshmi
Publisher :
ISBN 13 : 9781683924579
Total Pages : 0 pages
Book Rating : 4.9/5 (245 download)
Download or read book Embedded Vision written by S. R. Vijayalakshmi and published by . This book was released on 2019-08-15 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introductory guide for anyone who is interested in designing machines that have vision-enabled, embedded products, this book covers topics encountered in hardware architecture, software algorithms, applications, advancements in processors and sensors. --
Author : Alessandro Leone
Publisher : Springer
ISBN 13 : 3030059219
Total Pages : 549 pages
Book Rating : 4.0/5 (3 download)
Download or read book Ambient Assisted Living written by Alessandro Leone and published by Springer. This book was released on 2019-02-02 with total page 549 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book documents the state of the art in the field of ambient assisted living (AAL), highlighting the impressive potential of novel methodologies and technologies to enhance well-being and promote active ageing. The coverage is wide ranging, with sections on care models and algorithms, enabling technologies and assistive solutions, elderly people monitoring, home rehabilitation, ICT solutions for AAL, living with chronic conditions, robotic assistance for the elderly, sensing technologies for AAL, and smart housing. The book comprises a selection of the best papers presented at the 9th Italian Forum on Ambient Assisted Living (ForitAAL 2018), which was held in Lecce, Italy, in July 2018 and brought together end users, technology teams, and policy makers to develop a consensus on how to improve provision for elderly and impaired people. Readers will find that the expert contributions offer clear insights into the ways in which the most recent exciting advances may be expected to assist in addressing the needs of the elderly and those with chronic conditions.
