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Books > Professional & Technical > Technology: general issues > Technical design
Elastohydrodynamic Lubrication for Line and Point Contacts: Asymptotic and Numerical Approaches describes a coherent asymptotic approach to the analysis of lubrication problems for heavily loaded line and point contacts. This approach leads to unified asymptotic equations for line and point contacts as well as stable numerical algorithms for the solution of these elastohydrodynamic lubrication (EHL) problems. A Unique Approach to Analyzing Lubrication Problems for Heavily Loaded Line and Point Contacts The book presents a robust combination of asymptotic and numerical techniques to solve EHL problems for lightly and heavily loaded line and point contacts. It also proposes a reasonably simple and naturally based regularization approach that produces stable solutions in heavily loaded EHL contacts. The book offers a clear understanding of the processes taking place in heavily loaded line and point EHL contacts as well as of the proper solution structure for EHL problems. It outlines concrete ways to determine important design parameters such as lubrication film thickness and frictional stresses and forces. The book establishes a close link between EHL problems for heavily loaded point and line contacts. Fine Tune Your Methods for Solving Elastohydrodynamic Lubrication Problems In most cases, the equations in the book are derived from first principles. The author describes each of the asymptotic and numerical methods in detail, making it easier for readers to apply them to various problems. The problem solutions are presented in the form of simple analytical formulas, graphs, and tables. Almost all the chapters include exercises that highlight key points and skills. Suitable for engineering and applied mathematics students, this is also a unique resource for researchers and practitioners who want to fine tune their solution methods and design better numerical methods to tackle elastohydrodynamic lubrication problems.
The objective of this book is to report on contemporary trends in the defence research community on trust in teams, including inter- and intra-team trust, multi-agency trust and coalition trust. The book also considers trust in information and automation, taking a systems view of humans as agents in a multi-agent, socio-technical, community. The different types of trust are usually found to share many of the same emotive, behavioural, cognitive and social constructs, but differ in the degree of importance associated with each of them. Trust in Military Teams is written by defence scientists from the USA, Canada, Australia and the UK, under the auspices of The Transfer Cooperation Programme. It is representative of the latest thinking on trust in teams, and is written for defence researchers, postgraduate students, academics and practitioners in the human factors community.
This book presents the latest work in the area of naturalistic decision making (NDM) and its extension into the area of macrocognition. It contains 18 chapters relating research centered on the study of expertise in naturalistic settings, written by international experts in NDM and cognitive systems engineering. The objective of the book is to present the reader with exciting new developments in this field of research, which is characterized by its application-oriented focus. The work addresses only real-world problems and issues. For instance, how do multi-national teams collaborate effectively? How can surgeons best be supported by technology? How do detectives make sense of complex criminal cases? In all instances the studies have been carried out on experts within their respective domains. The traditional field of NDM is extended in this work by focusing on macrocognitive functions other than decision making, namely sense-making, coordination and planning. This has broadened the scope of the field. The book also contains a theoretical discussion of the macro-micro distinction. Naturalistic Decision Making and Macrocognition will be relevant to graduate students, researchers and professionals (including professionals and researchers in business, industry and government) who are interested in decision making, expertise, training methods and system design. The material may be used in two ways: theoretically, to advance understanding of the field of naturalistic decision making; and practically, to gain insight into how experts in various domains solve particular problems, understand and deal with issues and collaborate with others.
While there have been tremendous advances in our scientific understanding of the brain, this work has been largely academic, and often oriented toward clinical publication. Cognitive Neuroscience of Human Systems: Work and Everyday Life addresses the relationship between neurophysiological processes and the performance and experience of humans in everyday life. It samples the vast neuroscience literature to identify those areas of research that speak directly to the performance and experience of humans in everyday settings, highlighting the practical, everyday application of brain science. The book explains the underlying basis for well-established principles from human factors, ergonomics, and industrial engineering and design. It also sheds new light on factors affecting human performance and behavior. This is not an academic treatment of neuroscience, but rather a translation that makes modern brain science accessible and easily applicable to systems design, education and training, and the development of policies and practices. The authors supply clear and direct guidance on the applications of principles from brain science to everyday problems. With discussions of topics from brain science and their relevance to everyday activities, the book focuses on the science, describing the findings and the studies producing these findings. It then decodes how these findings relate to everyday life and how you can integrate them into your work to achieve more effective outcomes based on a fundamental understanding of how the operations of the human brain produce behavior and modulate performance.
Many books focus on individual differences and how those relate to traffic safety such as accident proneness, gender differences, age, alcohol, and the effects of drugs. Others focus on the safety effects regarding the vehicle such as airbags, anti-lock brakes, navigation systems, intelligent cruise control and other new gadgets coming to the vehicle. Even though these topics are undoubtedly important for traffic safety, this book takes a unique approach as it focuses solely on the road environment. Designing Safe Road Systems provides the background for those who want to know more about the effects of road design on driving behaviour. It uses a systems approach to allow a better understanding of why and in what circumstances drivers may commit errors. This understanding will ultimately lead to road systems that prevent (fatal) errors from occurring. The book contains an overview of the current models and theories about human performance and human behaviour in traffic that are relevant for all those involved in designing safe road systems. The central theme of this book is how design principles can reduce the probability of an error while driving. The authors demonstrate how knowledge of human factors helps a road authority to better understand how road users behave. They argue that in many cases the design of the environment can be further adjusted to human capabilities, and that safety should be considered a system property to be built into the road system.
This book discusses several methodological problems in traffic psychology which are not currently recognized as such. Summarizing and analyzing the available research, it is found that there are a number of commonly made assumptions about the validity of methods that have little backing, and that many basic problems have not been researched at all. Suggestions are made as to further studies that should be made to address some of these problems. The book is primarily intended for traffic/transport researchers, but should also be useful for specialized education at a higher level (doctoral students and transportation specialists) as well as officials who require a good grasp of methodology to be able to evaluate research.
Acceptance of new technology and systems by drivers is an important area of concern to governments, automotive manufacturers and equipment suppliers, especially technology that has significant potential to enhance safety. To be acceptable, new technology must be useful and satisfying to use. If not, drivers will not want to have it, in which case it will never achieve the intended safety benefit. Even if they have the technology, drivers may not use it if it is deemed unacceptable, or may not use it in the manner intended by the designer. At worst, they may seek to disable it. This book brings into a single edited volume the accumulating body of thinking and research on driver and operator acceptance of new technology. Bringing together contributions from international experts from around the world, the editors have shaped a book that covers the theory behind acceptance, how it can be measured and how it can be improved. Case studies are presented that provide data on driver acceptance of a wide range of new and emerging vehicle technology. Although driver acceptance is the central focus of this book, acceptance of new technology by operators in other domains, and across cultures, is also investigated. Similarly, perspectives are derived from domains such as human computer interaction, where user acceptance has long been regarded as a key driver of product success. This book comes at a critical time in the history of the modern motor vehicle, as the number of new technologies entering the modern vehicle cockpit rapidly escalates. The goal of this book is to inspire further research and development of new vehicle technology to optimise user acceptance of it; and, in doing so, to maximise its potential to be useful, satisfying to use and able to save human life.
Risky Work Environments provides new insights into the multiple and dynamic trajectories of both near misses and mistakes in complex work environments, based on actual case examples. It also studies the interactions between various activity systems or work practices (design, maintenance, incident investigation, regulation, operation) and their consequences for operational performance. The role of rules and regulations is explored, considering the consequences of deviations and the limitations of enforced compliance. Further, the book explains how to search for, think about and act on information about vulnerability, near misses and mistakes in a way that emphasizes accountability in ways that are not punitive but instead responsible, innovative and provide opportunities for learning. Writing from different disciplines and theoretical perspectives, the contributors analyse working in risky environments which include air traffic control, offshore mining, chemical plants, neo-natal intensive care units, ship piloting and emergency call dispatch centres. In each chapter the authors present rich empirical data and their analyses illustrate a variety of ways in which, despite imperfect systems, safety and resilience is created in human action. In the chapters where the focus is on error or mistakes, the analysis undertaken reveals the logic of actions undertaken at the time as well as their constraints. The contributors are all active researchers within their disciplines and come from Australia, Finland, France, Norway and the Netherlands. The book will be of direct interest to safety scientists, researchers and scientists, as well as human factors practitioners working in complex technological systems.
Occupational Safety and Hygiene V contains selected contributions from the International Symposium on Occupational Safety and Hygiene (SHO 2017, 10-11 April 2017, Guimaraes, Portugal). The contributions focus on a wide range of topics, including: - occupational safety - risk assessment - safety management - ergonomics - management systems - environmental ergonomics - physical environments - construction safety, and - human factors Occupational Safety and Hygiene V is mainly based on research carried out at universities and other research institutions, but also includes practical studies developed by OHS Practitioners within companies. Accordingly, this book will be a helpful text to get acquainted with the state-of-the-art in research in these domains, as well as with some practical tools and approaches that are currently used by OHS professionals worldwide.
Understanding the conditions under which variability in performance may arise, and the processes related to its emergence, gives us insight into the development of techniques for improving the quality of performance. Variability in Human Performance details the scientific and the practical implications of human performance variability by providing a broad perspective on how and why such variability occurs across a number of disciplinary domains. The text takes an approach that rests upon the idea of context, or design, specificity in performance, namely that variability in performance is closely referenced to design factors in the environment in which performance is occurring. An exploration of the link between variability and related processes, the book introduces a comprehensive framework for understanding human performance variability, presented in terms of how human control of behavior is closely tied to design factors in the performance environment. The authors introduce empirical evidence, as well as practical examples and application areas, in support of this framework. The book begins with coverage of neurobiological and biomechanical basis of movement variability, then examines rich and extensive empirical evidence available for context specificity in cognitive performance and learning, as a basis for cognitive performance variability. The book then reviews the evidence for context specificity in: Student learning Displaced feedback conditions Human error behavior Affective performance Social and team performance The authors also explore work performance as influenced by complex sociotechnical systems and as a basis for performance variability, applying control systems concepts to an interpretation of the nature and basis of performance variability in all of these domains. They conclude by taking an evolutionary perspective on the origins and behavioral significance of human performance variability. The book then provides strategies on how individuals, groups, and organizations can significantly reduce variability in human performance that often leads to systems failures.
The first edition of Handbook of Human Factors and Ergonomics in Health Care and Patient Safety took the medical and ergonomics communities by storm with in-depth coverage of human factors and ergonomics research, concepts, theories, models, methods, and interventions and how they can be applied in health care. Other books focus on particular human factors and ergonomics issues such as human error or design of medical devices or a specific application such as emergency medicine. This book draws on both areas to provide a compendium of human factors and ergonomics issues relevant to health care and patient safety. The second edition takes a more practical approach with coverage of methods, interventions, and applications and a greater range of domains such as medication safety, surgery, anesthesia, and infection prevention. New topics include: work schedules error recovery telemedicine workflow analysis simulation health information technology development and design patient safety management Reflecting developments and advances in the five years since the first edition, the book explores medical technology and telemedicine and puts a special emphasis on the contributions of human factors and ergonomics to the improvement of patient safety and quality of care. In order to take patient safety to the next level, collaboration between human factors professionals and health care providers must occur. This book brings both groups closer to achieving that goal.
Despite preemptive preparations, disasters can and do occur. Whether natural disasters, catastrophic accidents, or terrorist attacks, the risk cannot be completely eliminated. A carefully prepared response is your best defense. Handbook of Emergency Response: A Human Factors and Systems Engineering Approach presents practical advice and guidelines on how to plan the coordinated execution of emergency response. A useful tool to mitigate logistical problems that often follow disasters or extreme events, the core of this guide is the role of human factors in emergency response project management. The handbook provides a systematic structure for communication, cooperation, and coordination. It highlights what must be done and when, and how to identify the resources required for each effort. The book tackles cutting-edge research in topics such as evacuation planning, chemical agent sensor placement, and riverflow prediction. It offers strategies for establishing an effective training program for first responders and insightful advice in managing waste associated with disasters. Managing a project in the wake of a tragedy is complicated and involves various emotional, sentimental, reactive, and chaotic responses. This is the time that a structured communication model is most needed. Having a guiding model for emergency response can help put things in proper focus. This book provides that model. It guides you through planning for and responding to various emergencies and in overcoming the challenges in these tasks.
Hydrostatic Testing, Corrosion, and Microbiologically Influenced Corrosion: A Field Manual for Control and Prevention teaches industry professionals, managers, and researchers how to combat corrosion failure associated with hydrotesting. It discusses how a test liquid must be selected, how corrosion by bacteria should be controlled, and how to eliminate the risk of leakage. Rather than teaching how hydrotests should be conducted, it helps the reader evaluate the quality of a hydrotest that's already been conducted in terms of oxygen scavenger use, biocide testing, inhibitor addition, and water quality and explains the tasks that top and middle management must ensure are taken with respect to corrosion assessment of hydrotesting. The manual also discusses microbiologically influenced corrosion (MIC) as the main corrosion mechanism related to post-hydrotesting and offers essential knowledge on combating this corrosion process. In addition to being a manual for top and middle management on how to deal with corrosion, this book also:
Responding to the public concern caused by recent hospital scandals and accounts of unintended harm to patients, this author draws on her experience of analysing the health care systems of over a dozen countries and examines whether greater regulation has increased patient safety and health care quality. The book adopts a new approach to mapping developments in health care systems in Europe, North America and Australia and pieces together evidence of which regulatory strategies and mechanisms work well to ensure safer patient care. It identifies the regulatory bodies, the regulatory principles and the implementation strategies adopted to improve governance in health care systems and suggests a conceptual framework for responsive regulation. The book will be of interest to government actors, health care professionals and medico-legal scholars.
Around the third millennium B.C. in the Fertile Crescent, a world-system with a single world-economy, covering very vast regions, began to form. Mesopotamia became the center of this world-system. This was possible due to the development of common commercial law and logical competence there. The expansion of the world-economy during the Silk Road period from the 4th century B.C. to the early 5th century A.D. across various countries of Eurasia was accompanied by the spread of logical competence, first formed in Mesopotamia, as a mechanism of legal hermeneutics to draw logical conclusions without fallacies. This competence was simultaneously comprehended in different cultures connected by the Great Silk Road - in ancient Greek logic (4th - 2nd centuries B.C.); ancient Chinese proto-logic (5th - 2nd centuries B.C.); Judaic logical hermeneutics (1st - 2nd centuries A.D.); and in Indian-Buddhist logic (2nd - 6th centuries A.D.). The book analyzes the emergence of logic and its spread and early forms of its reflection. Consequently, logical competence is seen not as an innate ability, but as a social practice first established in Mesopotamia. Logic as a science became possible only after the development of logical competence as an accepted social practice. On the other hand, this view is a non-Marxist assessment of the early form of the world-system, centered on international law and logical competence, which made the world-economy and international trade then possible.
Two parallel investigations take place after every aviation accident: one technical, one judicial. The former must be conducted with the sole intention of making safety recommendations to prevent the recurrence of similar accidents. The judicial investigation, however, has the intention of identifying those parties that have been at fault and to apportion blameworthiness for criminal and civil liability. Consequently, this results in a predicament for those parties that have been identified as having played a role in the accident, a dilemma between not supplying information aimed at enhancing safety and preventing future accidents and, on the other hand, supplying such information which may possibly be used against them in subsequent criminal prosecution. The situation is compounded by inconsistent approaches between different legal systems; aviation professionals may find themselves faced with criminal charges in one country but not in another, and they may also be unsure as to whether statements given during the technical investigation could be used against them in a court of law. Aviation safety is, to a large extent, built upon the trust placed by pilots, ATCOs and other aviation professionals in the process of accident investigation. This book examines the growing trend to criminalize these same people following an accident investigation and considers the implications this has for aviation safety.
Designing new products and improving existing ones is a continual process. Industrial design engineering is an industrial engineering process applied to product designs that are to be manufactured through techniques of production operations. Excellent industrial design engineering programs are essential for the nation's industry to succeed in selling useful and ecologically justifiable and usable products on a market flooded with goods and services. This unique text on industrial design engineering integrates basic knowledge, insight, and working methods from industrial engineering and product design subjects. Industrial Design Engineering: Inventive Problem Solving provides a combination of engineering thinking and design skills that give the researchers, practitioners, and students an excellent foundation for participation in product development projects and techniques for establishing and managing such projects. The design principles are presented around examples related to the designing of products, goods, and services. Case studies are developed around real problems and are based on the customer's needs.
The purpose of this book is to evaluate strategies for future system design in multiprocessor system-on-chip (MPSoC) architectures. Both hardware design and integration of new development tools will be discussed. Novel trends in MPSoC design, combined with reconfigurable architectures are a main topic of concern. The main emphasis is on architectures, design-flow, tool-development, applications and system design.
What is the relationship between the social performance of companies and their financial performance? More colloquially, can a firm effectively attend to both people and profits as it conducts its business? This question has been investigated in no fewer than 95 empirical studies published since 1972. The authors have assembled a compendium of this research to give researchers and practitioners alike a broad overview of these 95 studies and a systematic database detailing the content of each one. This book provides a comprehensive portrait of this research literature. It begins with a broad orientation to the literature, exploring why the link between social and financial performance has been subject to continual inquiry and often heated debate. The authors then present an integrated overview of the 95 studies. Through the charts and tables, the authors illuminate the nature of the studies conducted; the data samples selected for investigation; the ways in which financial and social performance have been measured; and the overall tally of results.
This open access book addresses the issue of diffusing sustainable energy access in low- and middle-income contexts. Access to energy is one of the greatest challenges for many people living in low- income and developing contexts, as around 1.4 billion people lack access to electricity. Distributed Renewable Energy systems (DRE) are considered a promising approach to address this challenge and provide energy access to all. However, even if promising, the implementation of DRE systems is not always straightforward. The book analyses, discusses and classifies the promising Sustainable Product-Service System (S.PSS) business models to deliver Distributed Renewable Energy systems in an effective, efficient and sustainable way. Its message is supported with cases studies and examples, discussing the economic, environmental and socioethical benefits as well as its limitations and barriers to its implementation. An innovative design approach is proposed and a set of design tools are supplied, enabling readers to create and develop Sustainable Product-Service System (S.PSS) solutions to deliver Distributed Renewable Energy systems. Practical applications of the book's design approach and tools by companies and practitioners are discussed and the book will be of interest to readers in design, industry, governmental institutions, NGOs as well as researchers.
The Spatialities of Radio Astronomy examines the multidisciplinary overlap between the spatial disciplines and the studies of science and technology through a comparative study of four of the worldâs most important radio telescopes. Employing detailed analysis, historical research, interviews, personal observations, and various conceptual manoeuvres, Guy TrangoĆĄ reveals the depth of spatial process active at these scientific sites and the territories they traverse. Through the conceptual frameworks of territory, hyper-concentration, and contingency, TrangoĆĄ interprets the telescope as exploded across space and time, present in multiple connected sites simultaneously, and active in the production of space. He develops a historiographic and contemporary analysis of the Atacama Large Millimeter/submillimeter Array (ALMA, Chile); the Five-hundred-meter Aperture Spherical radio Telescope (FAST, China); the Arecibo Observatory (Puerto Rico); and the MeerKAT/SKA (South Africa). These case studies are global exemplars of the different spatial transformations that occur through science. Their relationships to surrounding communities and landscapes reveal deeper constitutional processes embodied in each institutional and spatial form. This book spans the modern history of architecture and science, the studies of science, technology and society, and urban theory. It is of specific interest to architects and designers expanding their analysis of spatial production, scholars in the study of geography, landscape, science, technology, and astronomy, and people fascinated with how these radio telescopes were conceptualised, built, and operate today.
Design Computing will help you understand the rapidly evolving relationship between computing, designers, and the many different environments they create or work in. The book introduces the topic of design computing, and covers the basics of hardware and software, so you don't need to be an expert. Topics include the fundamentals of digital representation, programming and interfaces for design; the shifting landscape of opportunity and expectation in practice and pedagogy; placing sensors in buildings to measure performance; and the challenge of applying information effectively in design. The book also includes additional reading for those who wish to dig deeper into the subject. Design Computing will provide you with a greater awareness of the issues that permeate the field, opportunities for you to investigate, and perhaps motivation to push the boundaries.
This unique book expands the contribution of aviation psychology and human factors to the aviation industry within the Asia Pacific region, with participation from many other parts of the globe, and key local and international experts, developing the safety, efficiency and viability of the industry. It is a forward-looking work, providing new strategies for psychology and human factors to increase the safe and effective functioning of aviation organisations and systems, pertinent to both civil and military operations. This is the formal refereed proceedings of The Fifth Australian Aviation Psychology Symposium, Manly Beach, Sydney 2000. The symposium had a diverse range of contributions and Development Workshops, bringing together practitioners from aviation psychology and human factors, flight operations management, safety managers, pilots, cabin crew, air traffic controllers, engineering and maintenance personnel, air safety investigators, staff from manufacturers and regulatory bodies, and applied aviation industry researchers and academics. This book will be of interest to anyone involved in human factors, safety systems or aviation psychology within both the civil and military aviation industry.
The inspection process is one of the most important steps in manufacturing industries because it safeguards high quality products and customer satisfaction. Manual inspection may not provide the desired accuracy. This book introduces and implements a new methodology and develops the supporting technologies for automated inspection planning based on Computer Aided Design (CAD) models. It also provides and implements an efficient link for automated operation based on Coordinate Measuring Machine (CMM). The link's output is a DMIS code programming file based on the inspection planning table that is executed on CMM.
In It Should Never Happen Again, Dr Mike Lauder questions the value of public inquiries. Every day, we hear about another inquiry being set up, or why the last one failed to deliver the hoped for outcomes. A great deal of time and taxpayers' money is spent on inquiries and even more on implementing their recommendations, but the author suggests that those conducting inquiries might be considered (by their own test) criminally negligent in the way they do so and that it is no surprise that they do not lead to the learning they should. The focus of Mike Lauder's research is the gaps between what is known, what knowledge is used by practitioners and those who judge them. He contends that the difference between the judicial perspective and that of practitioners who are judged by the inquiry process creates barriers that impede others from learning. Crucially, inquiry outcomes do not assist the leadership of organisations to improve risk governance. It Should Never Happen Again is based on research into high profile public inquiries and presidential commissions in the UK, the USA, Continental Europe, and elsewhere. Embracing issues ranging from terrorist attacks to pollution, fire and air disasters; criminal cases; banking and bribery scandals; and the state of public services, Mike Lauder contrasts the judicial perspective of those who inquire, the academic perspective of those who know and the practical perspective of those who are required to act, and offers new models for understanding risk and its governance. |
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