Close Range 3d Thermography Real Time Reconstruction Of High Fidelity 3d Thermograms
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Close Range 3d Thermography Real Time Reconstruction Of High Fidelity 3d Thermograms
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Author : Antonio Rafael Ordóñez Müller
language : en
Publisher: kassel university press GmbH
Release Date : 2019-01-21
Close Range 3d Thermography Real Time Reconstruction Of High Fidelity 3d Thermograms written by Antonio Rafael Ordóñez Müller and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-21 with Temperature measuring instruments categories.
Infrared thermography enables the non-contact measurement of an object’s surface temperature and presents the results in form of thermal images. The analysis of these images provides valuable information about an object’s thermal state. However, the fidelity of the thermal images strongly depends on the pose of the thermographic camera with respect to the surface. 3D thermography offers the possibility to overcome this and other limitations that affect conventional 2D thermography but most 3D thermographic systems developed so far generate 3D thermograms from a single perspective or from few noncontiguous points of view and do not operate in real time. As a result, the 3D thermograms they generate do not offer much advantage over conventional thermal images. However, recent technological advances have unlocked the possibility of implementing affordable handheld 3D thermal imaging systems that can be easily maneuvered around an object and that can generate high-fidelity 3D thermograms in real time. This thesis explores various aspects involved in the real-time generation of high-fidelity 3D thermograms at close range using a handheld 3D thermal imaging system, presents the results of scanning an operating industrial furnace and discusses the problems associated with the generation of 3D thermograms of large objects with complex geometries.
Close Range 3d Thermography Real Time Reconstruction Of High Fidelity 3d Thermograms
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Author : Antonio Rafael Ordóñez Müller
language : en
Publisher:
Release Date : 2019
Close Range 3d Thermography Real Time Reconstruction Of High Fidelity 3d Thermograms written by Antonio Rafael Ordóñez Müller and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Parallax categories.
Zur Regelungsorientierten Identifikation Nichtlinearer Systeme Mittels Lokal Affiner Takagi Sugeno Fuzzy Modelle
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Author : Alexander Schrodt
language : de
Publisher: kassel university press GmbH
Release Date : 2019-01-21
Zur Regelungsorientierten Identifikation Nichtlinearer Systeme Mittels Lokal Affiner Takagi Sugeno Fuzzy Modelle written by Alexander Schrodt and has been published by kassel university press GmbH this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-01-21 with categories.
Hauptziel der vorliegenden Arbeit ist es, ein einfaches und praxisorientiertes iteratives Verfahren zu entwickeln, mit welchem regelungsorientierte Modelle für nichtlineare Systeme aus Messdaten identifiziert werden können. Dazu werden Takagi-Sugeno-Fuzzy-Modelle mit lokal linearen/affinen Modellen verwendet. Ein besonderes Augenmerk liegt auf dem sogenannten Driftterm, der bei der Linearisierung eines Modells außerhalb einer Ruhelage auftritt. Dieser wird häufig beim Reglerentwurf aus Takagi-Sugeno-Modellen nicht berücksichtigt. Es wird daher ein einfaches approximatives Verfahren zur Kompensation dieses Terms vorgeschlagen und eine vollständige Methode zum Entwurf eines Fuzzy-Takagi-Sugeno-Reglers mit Driftkompensation eingeführt. Des weiteren wird ein iteratives Identifikationsschema vorgestellt, mit welchem Modelle zur Reglerauslegung im geschlossenen Regelkreis identifiziert werden.
In drei Fallstudien werden unterschiedliche Effekte bei Verwendung der vorgestellten Methoden beleuchtet. Die einzelnen Fallstudien gehen dabei auf die Aspekte Stabilisierbarkeit bei Vernachlässigung/Berücksichtigung des Driftterms, die Modelländerung über die Iterationen sowie Anwendbarkeit auf reale Systeme unter Verwendung eines modifizierten Zustandsbeobachters ein. Das Ergebnis dieser Studien ist, dass sich bei Verwendung der vorgestellten Methoden die Regelgüte verbessern lässt, wenn ein Regler aus Messdaten erzeugt wird, welche im geschlossenen Regelkreis gewonnen wurden.
Building Physics And Building Energy Systems
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Author : Davide Astiaso Garcia
language : en
Publisher: MDPI
Release Date : 2021-03-19
Building Physics And Building Energy Systems written by Davide Astiaso Garcia and has been published by MDPI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-19 with Technology & Engineering categories.
The energy transition is one of the key approaches in the effort to halt climate changes, and it has become even more essential in the light of the recent COVID-19 pandemic. Fostering the energy efficiency and the energy independence of the building sector is a focal aim to move towards a decarbonized society. In this context, building physics and building energy systems are fundamental disciplines based on applied physics applications in civil, architectural, and environmental engineering, including technical themes related to the planning of energy and the environment, diagnostic methods, and mitigating techniques. This Special Issue contains information on experimental studies in the following research topics: renewable energy sources, building energy analysis, rational use of energy, heat transmission, heating and cooling systems, thermofluid dynamics, smart energy systems, and energy service management in buildings.
Infrared Thermography
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Author : Waldemar Minkina
language : en
Publisher: John Wiley & Sons
Release Date : 2009-09-28
Infrared Thermography written by Waldemar Minkina and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-09-28 with Technology & Engineering categories.
In Infrared Thermography, the authors discuss the sources of uncertainty, including how to quantify these sources, associated with the use of thermal imagers. This book explains the common misunderstandings in the interpretation of temperature measurements, and provides a metrological evaluation of commercially available infrared cameras. It suggests how to best estimate the accuracy of thermal imaging instruments, whilst considering the level of accuracy attributed to measurements from these thermal imagers. Key features: Begins with an introduction to uncertainties and radiance terms before moving onto the issues surrounding thermal imaging. Deals with the basic issues of thermal imager measurements such as the law of heat exchange by radiation and emissivity. Describes a typical processing algorithm of the measurement path for an example infrared camera. Discusses measurement error analysis of a thermal imaging system. Considers the results of simulation research of thermography uncertainty. Includes an accompanying website which hosts MATLAB® code. Infrared Thermography is primarily aimed at quantitative thermographers, and manufacturers, vendors and users of thermal imagers. This book is also of interest to senior undergraduate and postgraduate students across a range of disciplines such as electrical, mechanical and civil engineering, computer science, and biomedicine.
Infrared Thermography
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Author : Raghu Prakash
language : en
Publisher: BoD – Books on Demand
Release Date : 2012-03-14
Infrared Thermography written by Raghu Prakash and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-03-14 with Mathematics categories.
Infrared Thermography (IRT) is commonly as a NDE tool to identify damages and provide remedial action. The fields of application are vast, such as, materials science, life sciences and applied engineering. This book offers a collection of ten chapters with three major sections - relating to application of infrared thermography to study problems in materials science, agriculture, veterinary and sports fields as well as in engineering applications. Both mathematical modeling and experimental aspects of IRT are evenly discussed in this book. It is our sincere hope that the book meets the requirements of researchers in the domain and inspires more researchers to study IRT.
Non Destructive Evaluation Nde Of Polymer Matrix Composites
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Author : Vistasp M. Karbhari
language : en
Publisher: Elsevier
Release Date : 2013-06-30
Non Destructive Evaluation Nde Of Polymer Matrix Composites written by Vistasp M. Karbhari and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-06-30 with Technology & Engineering categories.
The increased use of polymer matrix composites in structural applications has led to the growing need for a very high level of quality control and testing of products to ensure and monitor performance over time. Non-destructive evaluation (NDE) of polymer matrix composites explores a range of NDE techniques and the use of these techniques in a variety of application areas. Part one provides an overview of a range of NDE and NDT techniques including eddy current testing, shearography, ultrasonics, acoustic emission, and dielectrics. Part two highlights the use of NDE techniques for adhesively bonded applications. Part three focuses on NDE techniques for aerospace applications including the evaluation of aerospace composites for impact damage and flaw characterisation. Finally, the use of traditional and emerging NDE techniques in civil and marine applications is explored in part four. With its distinguished editor and international team of expert contributors, Non-destructive evaluation (NDE) of polymer matrix composites is a technical resource for researchers and engineers using polymer matrix composites, professionals requiring an understanding of non-destructive evaluation techniques, and academics interested in this field. Explores a range of NDE and NDT techniques and considers future trends Examines in detail NDE techniques for adhesively bonded applications Discusses NDE techniques in aerospace applications including detecting impact damage, ultrasonic techniques and structural health monitoring
Intelligent Systems Technologies And Applications 2016
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Author : Juan Manuel Corchado Rodriguez
language : en
Publisher: Springer
Release Date : 2016-09-19
Intelligent Systems Technologies And Applications 2016 written by Juan Manuel Corchado Rodriguez and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-19 with Technology & Engineering categories.
This book constitutes the thoroughly refereed proceedings of the second International Symposium on Intelligent Systems Technologies and Applications (ISTA’16), held on September 21–24, 2016 in Jaipur, India. The 80 revised papers presented were carefully reviewed and selected from 210 initial submissions and are organized in topical sections on image processing and artificial vision, computer networks and distributed systems, intelligent tools and techniques and applications using intelligent techniques.
Digital Image Processing For Medical Applications
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Author : Geoff Dougherty
language : en
Publisher: Cambridge University Press
Release Date : 2009
Digital Image Processing For Medical Applications written by Geoff Dougherty and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Computers categories.
Hands-on text for a first course aimed at end-users, focusing on concepts, practical issues and problem solving.
Trends In Optical Non Destructive Testing And Inspection
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Author : P.K. Rastogi
language : en
Publisher:
Release Date : 2000
Trends In Optical Non Destructive Testing And Inspection written by P.K. Rastogi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
This book covers a wide range of measurement techniques broadly referred to as Optical Metrology, with emphasis on their applications to nondestructive testing. If we look separately at each of the two terms making the generic name Optical Metrology, we find a link to two of the most distinctive aspects of humans: a particularly well developed sense of vision and a desire to classify things using numbers and rules. Of all our five senses, vision is certainly the most developed and the closest to the rational part of our brain. It can be argued that our memory is strongly dependent on images and the brain is particularly good at processing the stimuli received from these images to extract information. Measuring, sizing and counting are, on the other hand, among the fundamental building blocks of modern society. The use of abstract quantities like size, value or intensity has simplified the description of complex enquiry and is the basis of modern science and economy. Hence, it would seem natural that the combination of two such basic aspects should result in the birth of a new field of science. However, it is known that his has not been the case. Optical Metrology remains classified as a group of special techniques used mainly in niche applications. Optical Metrology may be rightly described as an ensemble of techniques in which fields such as physics, electrical and mechanical engineering, and computer science merge and blend in new ways. This book is intended as a tribute to the career of Professor Léopold Pflug. By looking back at his lifelong commitment to the application of optical metrology to the service of engineering sciences, more particularly devoted to the observation of the real behavior of structural components, one can retrace the major revolutions that have taken place in this domain. Starting his activity in 1971 as the head of the Laboratory for Stress Analysis at the EPFL in Switzerland, he first employed photoelasticity as a tool to improve the understanding of the real behavior of complex structures. However he soon recognized the necessity of working with the real materials used to build these structures instead of on replicas made of optically birefringent materials. He then focussed on the use of moiré techniques which sparked his fascination with laser-based holography and speckle-based methods. The advent of information technology led him to open up to the use of ESPI and digital image processing techniques. Finally, in the mid 1990s he became interested in the use of optical fibers as a tool for sensing deformations inside structures, not only on their surfaces as in the case of whole-field methods. It is interesting to note the parallel in the evolution of optical metrology vis à vis developments in other fields: the development of lasers led to holographic interferometry, the availability of frame-grabbers led to ESPI and the emergence of fiber optic communications opened the way to the development of fiber optic sensors. This puts in sharp perspective the strong dependence of optical metrology on the latest technology for its development. Also interesting to note is that all fields in optical metrology touched upon by Professor Pflug are still of great relevance, as shown by the contributions in this volume. This book is, however, not intended as a commemoration, rather as an occasion to review the trends and undercurrents that are driving the field of optical metrology, with emphasis on nondestructive testing. All the authors were asked to summarize the recent achievements in their respective fields and to speculate about the future. As a result it has become apparent that it is difficult although not impossible to spot general trends in these disparate fields. Optical metrology has considerably benefited from some of the most important innovations of the recent past: lasers, computers and fiber optics communication, all of which found their direct inspiration from the developments in the world of electronics. In recent years we have also witnessed a shift of power from states to corporations. This has created the need to produce quick results useful to industry. Optical nondestructive testing has certainly adapted to this evolution, and several contributions in this book show that the researchers in this field understand the importance of developing technology that can be used by the industry to solve specific problems. We should also not forget that optical nondestructive testing is essentially a "service technology" and should as such not only focus on serving its clients in the best possible way, but also should continually emphasize, extend and enhance its services to new users still unaware of its potential. Hopefully this book will help in spreading awareness of the potentials of optical metrology and in focusing on the challenges of the future.