Development of an Optical Profilometer and the Related Advanced Signal Processing Methods for Monitoring Surface Quality of Wood Machining Applications

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ISBN 13 :
Total Pages : pages
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Book Synopsis Development of an Optical Profilometer and the Related Advanced Signal Processing Methods for Monitoring Surface Quality of Wood Machining Applications by :

Download or read book Development of an Optical Profilometer and the Related Advanced Signal Processing Methods for Monitoring Surface Quality of Wood Machining Applications written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The research described here provides the technology and theory to quantify surface quality for a variety of wood and wood-based products. This technology provides a means of monitoring trends in surface quality which can be used to discriminate between Agood@ products and Abad@ products (the methods described in this research are not intended to provide 'grading' of individual workpieces) as well as provide information to the machine operator as to the source of poor quality machined surfaces. The analysis can be done either on-line at industrial speeds or off-line as a periodic quality control tool. Although the surface quality can be quantifiably measured, the determination of the best feature from the surface profile (root mean square, peak amplitude, average wavelength, frequency content, Joint Time and Frequency Analysis (JTFA) and Wavelet Analysis results, etc.) for the quantification of surface Adefects@ is highly dependent on the application. This research consisted of three broad areas: (1) determination of an optimal hardware configuration for both laboratory and industrial surface scans of wood products, (2) determination of the optimal set of surface descriptors as well as the development of advanced signal processing techniques such as the wavelet transform to accurately describe the quality of a surface as well as provide information to the machine operator on the cause of the loss of surface quality, and (3) development of a software interface to distill the advanced signal processing techniques into a readily obtainable and readable format for the machine operator as well as provide assistance for process decisions.

Development of an Optical Profilometer and the Related Advanced Signal Processing Methods for Monitoring Surface Quality of Wood Machining Applications

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ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.:/5 (566 download)

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Book Synopsis Development of an Optical Profilometer and the Related Advanced Signal Processing Methods for Monitoring Surface Quality of Wood Machining Applications by : Richard Len Lemaster

Download or read book Development of an Optical Profilometer and the Related Advanced Signal Processing Methods for Monitoring Surface Quality of Wood Machining Applications written by Richard Len Lemaster and published by . This book was released on 2004 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt: Keywords: fuzzy logic, advanced signal processing techniques, wavelets, surface roughness, wood machining, short time Fourier analysis.

Advances in Wavelet Theory and Their Applications in Engineering, Physics and Technology

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Publisher : BoD – Books on Demand
ISBN 13 : 9535104942
Total Pages : 650 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Advances in Wavelet Theory and Their Applications in Engineering, Physics and Technology by : Dumitru Baleanu

Download or read book Advances in Wavelet Theory and Their Applications in Engineering, Physics and Technology written by Dumitru Baleanu and published by BoD – Books on Demand. This book was released on 2012-04-04 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of the wavelet transform to analyze the behaviour of the complex systems from various fields started to be widely recognized and applied successfully during the last few decades. In this book some advances in wavelet theory and their applications in engineering, physics and technology are presented. The applications were carefully selected and grouped in five main sections - Signal Processing, Electrical Systems, Fault Diagnosis and Monitoring, Image Processing and Applications in Engineering. One of the key features of this book is that the wavelet concepts have been described from a point of view that is familiar to researchers from various branches of science and engineering. The content of the book is accessible to a large number of readers.

Proceedings of Third International Symposium on Wood Machining

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Publisher : EPFL Press
ISBN 13 : 9782880747251
Total Pages : 276 pages
Book Rating : 4.7/5 (472 download)

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Book Synopsis Proceedings of Third International Symposium on Wood Machining by : Parviz Navi

Download or read book Proceedings of Third International Symposium on Wood Machining written by Parviz Navi and published by EPFL Press. This book was released on 2007-01-01 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dissertation Abstracts International

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ISBN 13 :
Total Pages : 884 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Dissertation Abstracts International by :

Download or read book Dissertation Abstracts International written by and published by . This book was released on 2005 with total page 884 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nordic Pulp & Paper Research Journal

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Publisher :
ISBN 13 :
Total Pages : 526 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Nordic Pulp & Paper Research Journal by :

Download or read book Nordic Pulp & Paper Research Journal written by and published by . This book was released on 2005 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantifying the Benefits of Improved Rolling of Chip Seals

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Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Quantifying the Benefits of Improved Rolling of Chip Seals by : Y. Richard Kim

Download or read book Quantifying the Benefits of Improved Rolling of Chip Seals written by Y. Richard Kim and published by . This book was released on 2008 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents an improvement in the rolling protocol for chip seals based on an evaluation of aggregate retention performance and aggregate embedment depth. The flip-over test (FOT), Vialit test, modified sand circle test, digital image processing technique, and the third-scale Model Mobile Loading Simulator (MMLS3) are employed to evaluate the effects of the various rolling parameters and to measure chip seal performance. The samples used to evaluate the chip seal rolling protocol were obtained directly from field construction. In order to determine the optimal rolling protocol, the effects of roller type, number of coverages, coverage distribution on the sublayers of a multiple chip seal (i.e., the split seal and triple seal), and rolling pattern are evaluated using the results of aggregate retention performance tests, the modified sand circle method, and the digital image process. It is found that two types of roller, the pneumatic tire roller and the combination roller, are recommended as the optimal rollers for the chip seal. In addition, it is found that the optimal number of coverages for the chip seal is three coverages. Moreover, the performance of the triple seal without coverage at the bottom layer does not affect the aggregate retention performance, although the split seal does require coverage at the bottom layer. Finally, it is found from the MMLS3 results that the delayed rolling time between the spreading of the aggregate and the initial rolling significantly affects the aggregate loss, and that the delayed rolling time is related to the aggregate moisture condition and the ambient temperature. Effects of different rolling patterns are investigated based on the delayed rolling time and roller speeds, and recommendations are developed for two- and three-roller scenarios.

Wood Machining

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Publisher : John Wiley & Sons
ISBN 13 : 1118602676
Total Pages : 243 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Wood Machining by : J. Paulo Davim

Download or read book Wood Machining written by J. Paulo Davim and published by John Wiley & Sons. This book was released on 2013-05-10 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood as an engineering material can be technically defined “as a hygroscopic, orthotropic, biological, and permeable material having extreme chemical diversity and physical complexity with structures, that vary extensively in their shape, size, properties and function”. Therefore, using wood to its best advantage and most efficiency in engineering applications, specific characteristics or chemical, physical and mechanical properties must be considered. The products are divided into two classes, solid wood and composite wood products. Solid wood includes shipbuilding, bridges, flooring, mine timbers, etc. Composite wood products include insulation board, plywood, oriented strand board, hardboard and particle board. In recent years, the machining of wood products has acquired great importance due the short supply of wood and increasing environmental awareness among users and manufacturers. The optimization of the machining process centers around the mechanism of chip formation, tool wear, workpiece surface quality, crack initiation and propagation of different types of wood. Other factors are also humidity, temperature, static preloads, and vibrations that can affect the wood during the machining process. The book provides some fundamentals and recent research advances on machining wood and wood products.

Advanced Machining Processes of Metallic Materials

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Publisher : Elsevier
ISBN 13 : 0444637206
Total Pages : 610 pages
Book Rating : 4.4/5 (446 download)

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Book Synopsis Advanced Machining Processes of Metallic Materials by : Wit Grzesik

Download or read book Advanced Machining Processes of Metallic Materials written by Wit Grzesik and published by Elsevier. This book was released on 2016-11-15 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced Machining Processes of Metallic Materials: Theory, Modelling and Applications, Second Edition, explores the metal cutting processes with regard to theory and industrial practice. Structured into three parts, the first section provides information on the fundamentals of machining, while the second and third parts include an overview of the effects of the theoretical and experimental considerations in high-level machining technology and a summary of production outputs related to part quality. In particular, topics discussed include: modern tool materials, mechanical, thermal and tribological aspects of machining, computer simulation of various process phenomena, chip control, monitoring of the cutting state, progressive and hybrid machining operations, as well as practical ways for improving machinability and generation and modeling of surface integrity. This new edition addresses the present state and future development of machining technologies, and includes expanded coverage on machining operations, such as turning, milling, drilling, and broaching, as well as a new chapter on sustainable machining processes. In addition, the book provides a comprehensive description of metal cutting theory and experimental and modeling techniques, along with basic machining processes and their effective use in a wide range of manufacturing applications. The research covered here has contributed to a more generalized vision of machining technology, including not only traditional manufacturing tasks, but also potential (emerging) new applications, such as micro and nanotechnology. Includes new case studies illuminate experimental methods and outputs from different sectors of the manufacturing industry Presents metal cutting processes that would be applicable for various technical, engineering, and scientific levels Includes an updated knowledge of standards, cutting tool materials and tools, new machining technologies, relevant machinability records, optimization techniques, and surface integrity

Optical Measurement of Surface Topography

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Publisher : Springer Science & Business Media
ISBN 13 : 3642120121
Total Pages : 333 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Optical Measurement of Surface Topography by : Richard Leach

Download or read book Optical Measurement of Surface Topography written by Richard Leach and published by Springer Science & Business Media. This book was released on 2011-03-31 with total page 333 pages. Available in PDF, EPUB and Kindle. Book excerpt: The measurement and characterisation of surface topography is crucial to modern manufacturing industry. The control of areal surface structure allows a manufacturer to radically alter the functionality of a part. Examples include structuring to effect fluidics, optics, tribology, aerodynamics and biology. To control such manufacturing methods requires measurement strategies. There is now a large range of new optical techniques on the market, or being developed in academia, that can measure areal surface topography. Each method has its strong points and limitations. The book starts with introductory chapters on optical instruments, their common language, generic features and limitations, and their calibration. Each type of modern optical instrument is described (in a common format) by an expert in the field. The book is intended for both industrial and academic scientists and engineers, and will be useful for undergraduate and postgraduate studies.

Strengthening Forensic Science in the United States

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Publisher : National Academies Press
ISBN 13 : 0309142393
Total Pages : 348 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Strengthening Forensic Science in the United States by : National Research Council

Download or read book Strengthening Forensic Science in the United States written by National Research Council and published by National Academies Press. This book was released on 2009-07-29 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scores of talented and dedicated people serve the forensic science community, performing vitally important work. However, they are often constrained by lack of adequate resources, sound policies, and national support. It is clear that change and advancements, both systematic and scientific, are needed in a number of forensic science disciplines to ensure the reliability of work, establish enforceable standards, and promote best practices with consistent application. Strengthening Forensic Science in the United States: A Path Forward provides a detailed plan for addressing these needs and suggests the creation of a new government entity, the National Institute of Forensic Science, to establish and enforce standards within the forensic science community. The benefits of improving and regulating the forensic science disciplines are clear: assisting law enforcement officials, enhancing homeland security, and reducing the risk of wrongful conviction and exoneration. Strengthening Forensic Science in the United States gives a full account of what is needed to advance the forensic science disciplines, including upgrading of systems and organizational structures, better training, widespread adoption of uniform and enforceable best practices, and mandatory certification and accreditation programs. While this book provides an essential call-to-action for congress and policy makers, it also serves as a vital tool for law enforcement agencies, criminal prosecutors and attorneys, and forensic science educators.

Magnetic Field Assisted Finishing

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Publisher : CRC Press
ISBN 13 : 1000477371
Total Pages : 156 pages
Book Rating : 4.0/5 (4 download)

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Book Synopsis Magnetic Field Assisted Finishing by : Dilshad Ahmad Khan

Download or read book Magnetic Field Assisted Finishing written by Dilshad Ahmad Khan and published by CRC Press. This book was released on 2021-12-26 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive reference text discusses the concepts of the magnetic field assisted finishing processes that range from working principles, material removal mechanisms, process parameters and equipment involved, to the industry-specific applications. The book discusses various aspects of surface finishing, including types of material to be finished, types of finishing abrasives and their characteristics for material compatibility, that are different from process-specific details. It covers important concepts, including magnetic abrasive finishing (MAF), magnetorheological finishing (MRF) and magnetorheological abrasive flow finishing (MRAFF). Features Discusses a wide range of magnetic field assisted finishing processes in a comprehensive manner Covers different process parameters by considering their effects on the finishing output Provides process limitations to achieve optimal yield Offers numerical explanations for better selection of process parameters Discusses automation of processes with state-of-the-art technologies This book is aimed at graduate students and professionals in the fields of mechanical engineering, aerospace engineering, production engineering, manufacturing and industrial engineering.

Proceedings of the 34th International MATADOR Conference

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Publisher : Springer Science & Business Media
ISBN 13 : 9781852338800
Total Pages : 516 pages
Book Rating : 4.3/5 (388 download)

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Book Synopsis Proceedings of the 34th International MATADOR Conference by : Srichand Hinduja

Download or read book Proceedings of the 34th International MATADOR Conference written by Srichand Hinduja and published by Springer Science & Business Media. This book was released on 2004-09-23 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presented here are 73 refereed papers given at the 34th MATADOR Conference held at UMIST in July 2004. The MATADOR series of conferences covers the topics of Manufacturing Automation and Systems Technology, Applications, Design, Organisation and Management, and Research. The 34th proceedings contains original papers contributed by researchers from many countries on different continents. The papers cover both the technological aspect of manufacturing processes; and the systems, business and management features of manufacturing enterprise. The papers in this volume reflect: - the importance of manufacturing to international wealth creation; - the necessity of responsiveness and agility of manufacturing companies to meet market-led requirements and international chan≥ - the role of information technology and electronic communications in the growth of global manufacturing enterprises; - the impact of new technologies, new materials and processes, on the ability to produce goods of higher quality, more quickly, to meet markets needs at a lower cost. Some of the major generic developments which have taken place in these areas since the 33rd MATADOR conference was held in 2000 are reported in this volume.

Fabrication of Complex Optical Components

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Publisher : Springer Science & Business Media
ISBN 13 : 3642330002
Total Pages : 218 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Fabrication of Complex Optical Components by : Ekkard Brinksmeier

Download or read book Fabrication of Complex Optical Components written by Ekkard Brinksmeier and published by Springer Science & Business Media. This book was released on 2012-09-13 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: High quality optical components for consumer products made of glass and plastic are mostly fabricated by replication. This highly developed production technology requires several consecutive, well-matched processing steps called a "process chain" covering all steps from mold design, advanced machining and coating of molds, up to the actual replication and final precision measurement of the quality of the optical components. Current market demands for leading edge optical applications require high precision and cost effective parts in large volumes. For meeting these demands it is necessary to develop high quality process chains and moreover, to crosslink all demands and interdependencies within these process chains. The Transregional Collaborative Research Center "Process chains for the replication of complex optical elements" at Bremen, Aachen and Stillwater worked extensively and thoroughly in this field from 2001 to 2012. This volume will present the latest scientific results for the complete process chain giving a profound insight into present-day high-tech production.

Discharge measurements at gaging stations

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Publisher :
ISBN 13 :
Total Pages : 87 pages
Book Rating : 4.:/5 (777 download)

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Book Synopsis Discharge measurements at gaging stations by : D. Phil Turnipseed

Download or read book Discharge measurements at gaging stations written by D. Phil Turnipseed and published by . This book was released on 2010 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Micromachining

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Publisher : BoD – Books on Demand
ISBN 13 : 1789238099
Total Pages : 174 pages
Book Rating : 4.7/5 (892 download)

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Book Synopsis Micromachining by : Zdravko Stanimirović

Download or read book Micromachining written by Zdravko Stanimirović and published by BoD – Books on Demand. This book was released on 2019-11-20 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: To present their work in the field of micromachining, researchers from distant parts of the world have joined their efforts and contributed their ideas according to their interest and engagement. Their articles will give you the opportunity to understand the concepts of micromachining of advanced materials. Surface texturing using pico- and femto-second laser micromachining is presented, as well as the silicon-based micromachining process for flexible electronics. You can learn about the CMOS compatible wet bulk micromachining process for MEMS applications and the physical process and plasma parameters in a radio frequency hybrid plasma system for thin-film production with ion assistance. Last but not least, study on the specific coefficient in the micromachining process and multiscale simulation of influence of surface defects on nanoindentation using quasi-continuum method provides us with an insight in modelling and the simulation of micromachining processes. The editors hope that this book will allow both professionals and readers not involved in the immediate field to understand and enjoy the topic.

Popular Science

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Publisher :
ISBN 13 :
Total Pages : 116 pages
Book Rating : 4./5 ( download)

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Book Synopsis Popular Science by :

Download or read book Popular Science written by and published by . This book was released on 2002-09 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.