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 Название: n-Type Crystalline Silicon Photovoltaics: Technology, applications and economics
Автор: Delfina Munoz, Radovan Kopecek
Издательство: The Institution of Engineering and Technology
Год: 2023
Страниц: 370
Язык: английский
Формат: pdf (true)
Размер: 26.0 MB
Most solar cells currently in commercial use are p-type solar cells, due to their historically lower cost and ease of manufacture compared to n-type solar cells. However, due to improved manufacturing technology and falling cost in general, the cost difference between the two types has shrunk, making n-type solar cells an attractive option for future commercial high-efficiency solar cells. n-type solar cells are less prone to light-induced degradation, and are also less affected by iron impurities. This makes n-type solar cells more efficient compared to their p-type counterparts, with efficiencies of up to 25% being feasible in production. Challenges in the manufacturing process and regarding degradation still remain to be solved, in order to realise n-type solar cells' full potential. The challenges, solutions and opportunities afforded by n-type solar cells are explored in this volume. | |
Разместил: Ingvar16 2-03-2023, 19:49 | Комментарии: 0 | Подробнее
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 Название: Measurement Across the Sciences: Developing a Shared Concept System for Measurement 2nd Edition
Автор: Luca Mari, Mark Wilson, Andrew Maul
Издательство: Springer
Год: 2023
Страниц: 339
Язык: английский
Формат: pdf (true), epub
Размер: 18.7 MB
This book proposes a conceptual framework for understanding measurement across a broad range of scientific fields and areas of application, such as physics, engineering, education, and psychology. It addresses contemporary issues and controversies within measurement in light of the framework, including operationalism, definitional uncertainty, and the relations between measurement and computation, and describes how the framework, operating as a shared concept system, supports understanding measurement’s work in different domains, using examples in the physical and human sciences. This revised and expanded second edition features a new analysis of the analogies and the differences between the error/uncertainty-related approach adopted in physical measurement and the validity-related approach adopted in psychosocial measurement. In addition, it provides a better analysis and presentation of measurement scales, in particular about their relations with quantity units, and introduces the measurand identification/definition as a part of the "Hexagon Framework" along with new examples from the physical and psychosocial sciences. Researchers and academics across a wide range of disciplines including biological, physical, social, and behavioral scientists, as well as specialists in measurement and philosophy appreciate the work’s fresh and provocative approach to the field at a time when sound measurements of complex scientific systems are increasingly essential to solving critical global problems. | |
Разместил: Ingvar16 2-03-2023, 17:02 | Комментарии: 0 | Подробнее
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 Название: High-Performance Adaptive Control of Teleoperation Systems
Автор: Di-Hua Zhai, Yuanqing Xia
Издательство: CRC Press
Год: 2023
Страниц: 314
Язык: английский
Формат: pdf (true)
Размер: 44.5 MB
Within a unified switched-control framework, this book investigates the high-performance control designs and theoretic analyses for teleoperation systems, including the joint space and task space teleoperations, the homogeneous and heterogeneous teleoperations, and the single-master single-slave and multi-master multi-slave teleoperations. The book begins with an introduction to the concepts and challenges of networked teleoperation systems. Then, it investigates a new adaptive control framework based on auxiliary switched filters for the bilateral teleoperation systems to handle the model uncertainty and non-passive external forces. To overcome the input constraints of robotic systems, this adaptive method is also extended to the anti-windup adaptive control case. Furthermore, to apply to multi-robot remote collaboration scenarios and heterogeneous teleoperations, two tele-coordination methods and an adaptive semi-autonomous control method are respectively developed. This title will be an essential reference for researchers and engineers interested in teleoperation, robotic systems, and nonlinear control systems. It would also prove useful to graduate students in the fields of science, engineering, and Computer Science. Readers of our book are assumed to have some background in robot control and nonlinear control. | |
Разместил: Ingvar16 2-03-2023, 10:19 | Комментарии: 0 | Подробнее
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 Название: Smart Manufacturing: Integrating Transformational Technologies for Competitiveness and Sustainability
Автор: Hebab A. Quazi, Scott M. Shemwell
Издательство: CRC Press
Год: 2023
Страниц: 171
Язык: английский
Формат: pdf (true)
Размер: 11.9 MB
The manufacturing industries remain the foundation of local, regional, and global economies. Manufacturing plants operate in dynamic markets that demand upgrading with transformational technologies for maintaining profitability, competitiveness, and business sustainability. Yet most manufacturing plants currently use technologies that are no longer competitive, and industry leaders face an overwhelming array of operational challenges that require agile and enhanced transformational solutions. This book offers manufacturers effective strategies and tools for the adoption and implementation of advanced operational technologies to ensure long-term innovation, efficiency, and profitability. Transformational Technologies that have potentials include Digitization, Artificial Intelligence, Machine Learning, Digital Twin, Industrial Internet of Things, and Cyber Security. Appropriateness of these technologies varies in the application of Automation, Optimization, Energy Conversion and Conservation, Resource Utilization, Assets Utilization, Quality Management, and Supply-Chain Integration. | |
Разместил: Ingvar16 2-03-2023, 02:15 | Комментарии: 0 | Подробнее
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 Название: Systems, Functions and Safety: A Flipped Approach to Design for Safety
Автор: Milan Z. Bjelica
Издательство: Springer
Год: 2023
Страниц: 196
Язык: английский
Формат: pdf (true), epub
Размер: 40.3 MB
Provides students with essentials of safety for technical systems, the most common pitfalls, concepts and techniques. This textbook provides up-to-date content in the fields of system engineering, system safety and functional safety, with up-to-date examples from the automotive, industrial and aerospace domains, with respect to the growing complexity of the field and the increased utilization of complex hardware and software in vehicle designs. The book covers practical functional safety insights concerning the required standards (e.g. IEC 61508, IEC 62061, ISO 13849, ISO 26262), but also inherent system safety process as a key factor towards the mitigation of systematic faults. Readers will be equipped with a broad understanding of safety and functional safety, with balanced theoretical and practical views in this area. The book covers the specific topics of introduction to system engineering, overall system safety and its relation to functional safety. Functional safety is introduced in all the required concepts, terminology and safety analysis methods. Basic fault-tolerance concepts are covered, including the design considerations to achieve functional safety. The book also gives an introduction to the required system safety processes and the applications of relevant functional safety standards. | |
Разместил: Ingvar16 1-03-2023, 11:26 | Комментарии: 0 | Подробнее
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 Название: Optimal Inspection Models With Their Applications
Автор: Kodo Ito, Toshio Nakagawa
Издательство: Springer
Серия: Springer Series in Reliability Engineering
Год: 2023
Страниц: 266
Язык: английский
Формат: pdf (true), epub
Размер: 21.3 MB
Discusses how to optimize inspection, maintenance, and cumulative damage models. This book surveys recent applications of inspection models, maintenance models and cumulative damage models, as well as discusses the policies involved with these models. It explains how a stochastic approach can be applied to systems using real-world examples. The book begins by introducing and summarizing standard inspection models. It dedicates chapters to random inspection models and general inspection models, before moving on to discuss inspection policies and checkpoint models. The book discusses inspection of reliability systems, such as missile maintenance systems, as well as Markov models of inspection. The book concludes with a summary of other inspection models, problems they face, and solutions to these problems. Each chapter utilizes examples to illustrate the various models, methods, and policies. Inspections are needed greatly for everything with high reliability. Today, hard-time maintenances rarely apply to new products to avoid high operation cost. On the other hand, condition monitoring maintenances are widely applied to most systems, and their system status can be judged from inspection results and minimum necessary maintenances can be performed. | |
Разместил: Ingvar16 1-03-2023, 11:07 | Комментарии: 0 | Подробнее
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Название: Напыление. Сварка. Склеивание
Автор: Г.А. Лебедев, Г.А. Кракович, К.Г. Безкоровайный
Издательство: Химия
Год издания: 1973
Количество страниц: 103
Язык: русский
Формат: DjVu, PDF
Размер: 10,13 Мб
В брошюре обобщен передовой производственный опыт в области технологии напыления полимерных материалов, сварки и склеивания изделий из пластмасс. Описаны свойства перерабатываемых материалов, подготовительные операции, различные методы напыления, сварки и склеивания, технологические режимы процессов, оборудование и инструмент, свойства и контроль качества готовых изделий, мероприятия по технике безопасности.
Брошюра предназначена в качестве пособия для профессионально-технического обучения рабочих и мастеров, занятых переработкой пластмасс.
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Разместил: Belka01 1-03-2023, 09:16 | Комментарии: 0 | Подробнее
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 Название: 3D Printing: Fundamentals to Emerging Applications
Автор: Ram K. Gupta
Издательство: CRC Press
Год: 2023
Страниц: 507
Язык: английский
Формат: pdf (true)
Размер: 86.0 MB
3D Printing: Fundamentals to Emerging Applications discusses the fundamentals of 3D-printing technologies and their emerging applications in many important sectors such as energy, biomedicals, and sensors. Top international authors in their fields cover the fundamentals of 3D-printing technologies for batteries, supercapacitors, fuel cells, sensors, and biomedical and other emerging applications. They also address current challenges and possible solutions in 3D-printing technologies for advanced applications. 3D-printing technology is rapidly advancing and being used in many emerging areas such as energy and biomedical. The availability of many different 3D-printing technologies allows for fast prototype devices with much-reduced cost. They can be used to print electrodes, energy generation and storage devices, sensors, and devices for biomedical applications. They can print complex 3D devices and can be modified without changing the manufacturing process. However, there are still many challenges and shortcomings which need to be overcome to use this technology on a commercial scale. | |
Разместил: Ingvar16 28-02-2023, 15:41 | Комментарии: 0 | Подробнее
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 Название: Инженерные системы высотных и большепролетных зданий и сооружений
Автор: Соколов Л. И.
Издательство: Инфра-Инженерия
Год: 2019
Cтраниц: 605 с. : цвет.ил., табл., схем.
Формат: pdf
Размер: 117 мб
Язык: русский
Рассмотрены инженерные системы высотных и большепролетных зданий: водоснабжения, водоотведения и водостоков, мусороудаления, бельепровода, отопления, вентиляции, кондиционирования воздуха, тепло- и холодоснабжения, электроснабжения, электрооборудования, связи, сигнализации, автоматизации, диспетчеризации и пожаробезопасности высотных зданий. Учтены требования законодательства в области проектирования и мониторинга строительства, тенденции современного промышленного дизайна сантехники, исследована возможность применения водосберегающих технологий. Представлены необходимые для расчета систем водоснабжения теоретические и практические материалы. | |
Разместил: rivasss 28-02-2023, 12:00 | Комментарии: 0 | Подробнее
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 Название: Handbook of Sustainable Materials: Modelling Characterization and Optimization
Автор: Ajay, Parveen, Sharif Ahmad, Jyotsna Sharma, Victor Gambhir
Издательство: CRC Press
Год: 2023
Страниц: 506
Язык: английский
Формат: pdf (true)
Размер: 16.9 MB
Handbook of Sustainable Materials presents recent developments in sustainable materials and how these materials interact with the environment. It highlights the recent advancements involved in proper utilization of sustainable materials, including chemical and biological approaches. With chapters written by global experts, the book offers a guide and insights into sustainable materials from a variety of engineering disciplines. Each chapter provides in-depth technical information on the sustainable materials theory and explores synthesis strategies, green materials, and Artificial Intelligence (AI). The book considers applications in sectors such as aerospace, automobile, and biomedical for rapid prototyping and customized production without negative environmental impacts. It features research outcomes and case studies of optimization and modeling techniques in practice. | |
Разместил: Ingvar16 28-02-2023, 09:45 | Комментарии: 0 | Подробнее
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