Mobile Working Hydraulic System Dynamics

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Publisher : Linköping University Electronic Press
ISBN 13 : 9176859711
Total Pages : 108 pages
Book Rating : 4.1/5 (768 download)

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Book Synopsis Mobile Working Hydraulic System Dynamics by : Mikael Axin

Download or read book Mobile Working Hydraulic System Dynamics written by Mikael Axin and published by Linköping University Electronic Press. This book was released on 2015-09-07 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with innovative working hydraulic systems for mobile machines. Flow control systems are studied as an alternative to load sensing. The fundamental difference is that the pump is controlled based on the operator’s command signals rather than feedback signals from the loads. This control approach enables higher energy efficiency and there is no load pressure feedback causing stability issues. Experimental results show a reduced pump pressure margin and energy saving potential for a wheel loader application. The damping contribution from the inlet and outlet orifice in directional valves is studied. Design rules are developed and verified by experiments. A novel system architecture is proposed where flow control, load sensing and open-centre are merged into a generalized system description. The proposed system is configurable and the operator can realize the characteristics of any of the standard systems without compromising energy efficiency. This can be done non-discretely on-the-fly. Experiments show that it is possible to avoid unnecessary energy losses while improving system response and increasing stability margins compared to load sensing. Static and dynamic differences between different control modes are also demonstrated experimentally.

Hydrostatic Transmissions and Actuators

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Publisher : John Wiley & Sons
ISBN 13 : 111881889X
Total Pages : 408 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis Hydrostatic Transmissions and Actuators by : Gustavo Costa

Download or read book Hydrostatic Transmissions and Actuators written by Gustavo Costa and published by John Wiley & Sons. This book was released on 2015-07-22 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrostatic Transmissions and Actuators takes a pedagogical approach and begins with an overview of the subject, providing basic definitions and introducing fundamental concepts. Hydrostatic transmissions and hydrostatic actuators are then examined in more detail with coverage of pumps and motors, hydrostatic solutions to single-rod actuators, energy management and efficiency and dynamic response. Consideration is also given to current and emerging applications of hydrostatic transmissions and actuators in automobiles, mobile equipment, wind turbines, wave energy harvesting and airplanes. End of chapter exercises and real world industrial examples are included throughout and a companion website hosting a solution manual is also available. Hydrostatic Transmissions and Actuators is an up to date and comprehensive textbook suitable for courses on fluid power systems and technology, and mechatronics systems design.

Proceedings of the Joint International Conference: 10th Textile Conference and 4th Conference on Engineering and Entrepreneurship

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Publisher : Springer Nature
ISBN 13 : 3031489330
Total Pages : 559 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Proceedings of the Joint International Conference: 10th Textile Conference and 4th Conference on Engineering and Entrepreneurship by : Genti Guxho

Download or read book Proceedings of the Joint International Conference: 10th Textile Conference and 4th Conference on Engineering and Entrepreneurship written by Genti Guxho and published by Springer Nature. This book was released on 2024-01-09 with total page 559 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings book encompass a wide range of significant topics within the realms of Technologies, Engineering, Management, and Production, Entrepreneurship, Materials, Textiles, Fashion, and more. The book delves into various areas of Energetics, exploring aspects such as power production, solar power, wind turbines, advanced energetics technologies, energy resource efficiency, global warming and emissions, clean and renewable energies, as well as economic development, global warming, and environmental protections. The Constructions and Transport section features discussions on numerical methods for data manipulation, construction science and technology, transport systems, modeling of transport systems, intelligent transport, traffic management and safety. The Materials segment addresses materials science and application, biopolymers and biotechnology, metallic and composite materials, metallurgical engineering, recycling, manufacturing, and processing of various materials such as paper, plastics, rubber, glass, ceramics, and more. Management and Production topics include technology management, logistic and supply chain management, total quality management, knowledge and innovation management, financial management, marketing research and strategy, industrial marketing, operational research, project management, as well as information technology in enterprises, e-activities, and e-commerce. The book also features an extensive section dedicated to Textiles, covering textile processing and testing, technological advances in the textile industry, ecology and environment in textile production, fiber physics and textile mechanics, finishing, dyeing, and treatment techniques, modeling and simulation, smart and interactive textiles, technical and protective textiles, textile design, fashion, and garment manufacturing, innovations in textile education, as well as leather and footwear technologies.

Hydraulic Fluid Power

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Publisher : John Wiley & Sons
ISBN 13 : 1119569133
Total Pages : 704 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Hydraulic Fluid Power by : Andrea Vacca

Download or read book Hydraulic Fluid Power written by Andrea Vacca and published by John Wiley & Sons. This book was released on 2021-04-12 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt: HYDRAULIC FLUID POWER LEARN MORE ABOUT HYDRAULIC TECHNOLOGY IN HYDRAULIC SYSTEMS DESIGN WITH THIS COMPREHENSIVE RESOURCE Hydraulic Fluid Power provides readers with an original approach to hydraulic technology education that focuses on the design of complete hydraulic systems. Accomplished authors and researchers Andrea Vacca and Germano Franzoni begin by describing the foundational principles of hydraulics and the basic physical components of hydraulics systems. They go on to walk readers through the most practical and useful system concepts for controlling hydraulic functions in modern, state-of-the-art systems. Written in an approachable and accessible style, the book’s concepts are classified, analyzed, presented, and compared on a system level. The book also provides readers with the basic and advanced tools required to understand how hydraulic circuit design affects the operation of the equipment in which it’s found, focusing on the energy performance and control features of each design architecture. Readers will also learn how to choose the best design solution for any application. Readers of Hydraulic Fluid Power will benefit from: Approaching hydraulic fluid power concepts from an “outside-in” perspective, emphasizing a problem-solving orientation Abundant numerical examples and end-of-chapter problems designed to aid the reader in learning and retaining the material A balance between academic and practical content derived from the authors’ experience in both academia and industry Strong coverage of the fundamentals of hydraulic systems, including the equations and properties of hydraulic fluids Hydraulic Fluid Power is perfect for undergraduate and graduate students of mechanical, agricultural, and aerospace engineering, as well as engineers designing hydraulic components, mobile machineries, or industrial systems.

Annual Report

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Publisher :
ISBN 13 :
Total Pages : 54 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Annual Report by : Danish Center for Applied Mathematics and Mechanics

Download or read book Annual Report written by Danish Center for Applied Mathematics and Mechanics and published by . This book was released on 2004 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Novel Industry 4.0 Technologies and Applications

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Publisher : MDPI
ISBN 13 : 3039435833
Total Pages : 270 pages
Book Rating : 4.0/5 (394 download)

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Book Synopsis Novel Industry 4.0 Technologies and Applications by : Nikolaos Papakostas

Download or read book Novel Industry 4.0 Technologies and Applications written by Nikolaos Papakostas and published by MDPI. This book was released on 2020-11-25 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Industry 4.0 paradigm has led to the creation of new opportunities for taking advantage of a set of diverse technologies in the manufacturing domain. This book touches on a series of advanced technologies and research fields, including Internet of Things, Augmented and Virtual Reality, Machine Learning, Advanced Robotics, Additive Manufacturing, System and Process Simulation, Computer-Aided Design/Engineering/Manufacturing/Process Planning Systems as well as Product Lifecycle Management Platforms. The topics covered span a series of diverse areas related to a) product design and development, b) manufacturing systems and operations, c) process engineering, and d) Industry 4.0 technologies review and realization.

Index of Conference Proceedings

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Publisher :
ISBN 13 :
Total Pages : 870 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Index of Conference Proceedings by : British Library. Document Supply Centre

Download or read book Index of Conference Proceedings written by British Library. Document Supply Centre and published by . This book was released on 2003 with total page 870 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrostatic Pumps and Motors

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Publisher :
ISBN 13 : 9788188305087
Total Pages : 512 pages
Book Rating : 4.3/5 (5 download)

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Book Synopsis Hydrostatic Pumps and Motors by : Jaroslav Ivantysyn

Download or read book Hydrostatic Pumps and Motors written by Jaroslav Ivantysyn and published by . This book was released on 2003 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Science — ICCS 2004

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Publisher : Springer Science & Business Media
ISBN 13 : 3540221166
Total Pages : 1376 pages
Book Rating : 4.5/5 (42 download)

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Book Synopsis Computational Science — ICCS 2004 by : Marian Bubak

Download or read book Computational Science — ICCS 2004 written by Marian Bubak and published by Springer Science & Business Media. This book was released on 2004-05-26 with total page 1376 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference on Computational Science (ICCS 2004) held in Krak ́ ow, Poland, June 6–9, 2004, was a follow-up to the highly successful ICCS 2003 held at two locations, in Melbourne, Australia and St. Petersburg, Russia; ICCS 2002 in Amsterdam, The Netherlands; and ICCS 2001 in San Francisco, USA. As computational science is still evolving in its quest for subjects of inves- gation and e?cient methods, ICCS 2004 was devised as a forum for scientists from mathematics and computer science, as the basic computing disciplines and application areas, interested in advanced computational methods for physics, chemistry, life sciences, engineering, arts and humanities, as well as computer system vendors and software developers. The main objective of this conference was to discuss problems and solutions in all areas, to identify new issues, to shape future directions of research, and to help users apply various advanced computational techniques. The event harvested recent developments in com- tationalgridsandnextgenerationcomputingsystems,tools,advancednumerical methods, data-driven systems, and novel application ?elds, such as complex - stems, ?nance, econo-physics and population evolution.

Industrial Hydraulics Manual

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Author :
Publisher : Ingram
ISBN 13 : 9780978802202
Total Pages : 0 pages
Book Rating : 4.8/5 (22 download)

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Book Synopsis Industrial Hydraulics Manual by :

Download or read book Industrial Hydraulics Manual written by and published by Ingram. This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

ESSE 2017

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Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110540045
Total Pages : 924 pages
Book Rating : 4.1/5 (15 download)

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Book Synopsis ESSE 2017 by : Yong Wang

Download or read book ESSE 2017 written by Yong Wang and published by Walter de Gruyter GmbH & Co KG. This book was released on 2017-10-23 with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental science is an interdisciplinary academic field that integrates physical-, biological-, and information sciences to study and solve environmental problems. ESSE - The International Conference on Environmental Science and Sustainable Energy provides a platform for experts, professionals, and researchers to share updated information and stimulate the communication with each other. In 2017 it was held in Suzhou, China June 23-25, 2017.

Fluid Power Pumps and the Electrification

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Publisher : Linköping University Electronic Press
ISBN 13 : 9179298303
Total Pages : 92 pages
Book Rating : 4.1/5 (792 download)

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Book Synopsis Fluid Power Pumps and the Electrification by : Samuel Kärnell

Download or read book Fluid Power Pumps and the Electrification written by Samuel Kärnell and published by Linköping University Electronic Press. This book was released on 2020-05-25 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: More and more vehicles are being electrified. Mobile working machines and heavy trucks are not excluded, and these machines are often hydraulically intense. Electrification entails new requirements for the hydraulic system and its components, and these requirements must be taken into consideration. Hydraulic systems have looked similar for a long time, but now there is an opportunity to advance. Many things change when a diesel engine is replaced with an electric motor. For example, variable-speed control becomes more relevant, electric regeneration becomes possible, and the use of multiple prime movers becomes an attractive alternative. The noise from the hydraulic system will also be more noticeable when the diesel engine is gone. Furthermore, the introduction of batteries to the system makes the energy more valuable, since batteries are heavy and costly compared to a diesel tank. Therefore, it is commercially viable to invest in the hydraulic system. This thesis revolves around the heart of the hydraulic system, that also is the root of all evil. That is the pump. Traditionally, a pump has had either a fixed displacement or a continuously variable displacement. Here, the focus is on something in between, namely a pump with discrete displacement. The idea of discrete displacement is far from unique, but has not been investigated in detail in combination with variable speed before. In this thesis, a novel design for a quiet pump with discrete displacement is presented and analysed. The results show that discrete displacement is relevant from an energy perspective for machines working extensively at high pressure levels and with low flow rates, and that a few discrete values are enough to make a significant difference. However, for other cycles, the possible energy gains are very limited, but the discrete displacement can be a valuable feature if downsizing the electric machine is of interest.

Fundamentals of Fluid Power

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Publisher :
ISBN 13 : 9783844028263
Total Pages : 388 pages
Book Rating : 4.0/5 (282 download)

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Book Synopsis Fundamentals of Fluid Power by : Hubertus Murrenhoff

Download or read book Fundamentals of Fluid Power written by Hubertus Murrenhoff and published by . This book was released on 2014 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mastering Uncertainty in Mechanical Engineering

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Publisher : Springer Nature
ISBN 13 : 3030783545
Total Pages : 483 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Mastering Uncertainty in Mechanical Engineering by : Peter F. Pelz

Download or read book Mastering Uncertainty in Mechanical Engineering written by Peter F. Pelz and published by Springer Nature. This book was released on 2021-10-11 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: This open access book reports on innovative methods, technologies and strategies for mastering uncertainty in technical systems. Despite the fact that current research on uncertainty is mainly focusing on uncertainty quantification and analysis, this book gives emphasis to innovative ways to master uncertainty in engineering design, production and product usage alike. It gathers authoritative contributions by more than 30 scientists reporting on years of research in the areas of engineering, applied mathematics and law, thus offering a timely, comprehensive and multidisciplinary account of theories and methods for quantifying data, model and structural uncertainty, and of fundamental strategies for mastering uncertainty. It covers key concepts such as robustness, flexibility and resilience in detail. All the described methods, technologies and strategies have been validated with the help of three technical systems, i.e. the Modular Active Spring-Damper System, the Active Air Spring and the 3D Servo Press, which have been in turn developed and tested during more than ten years of cooperative research. Overall, this book offers a timely, practice-oriented reference guide to graduate students, researchers and professionals dealing with uncertainty in the broad field of mechanical engineering.

Electric and Magnetic Fields

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Publisher : Springer Science & Business Media
ISBN 13 : 1461519616
Total Pages : 380 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Electric and Magnetic Fields by : R. Belmans

Download or read book Electric and Magnetic Fields written by R. Belmans and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains the edited versions of the papers presented at the Second International Workshop on Electric and Magnetic Fields held at the Katholieke Universiteit van Leuven (Belgium) in May 1994. This Workshop deals with numerical solutions of electromagnetic problems in real life applications. The topics include coupled problems (thermal, mechanical, electric circuits), CAD & CAM applications, 3D eddy current and high frequency problems, optimisation and application oriented numerical problems. This workshop was organised jointly by the AIM (Association of Engineers graduated from de Montefiore Electrical Institute) together with the Departments of Electrical Engineering of the Katholieke Universiteit van Leuven (Prof. R. Belmans), the University of Gent (Prof. J. Melkebbek) and the University of Liege (Prof. W. Legros). These laboratories are working together in the framework of the Pole d'Attraction Interuniversitaire - Inter-University Attractie-Pole 51 - on electromagnetic systems led by the University of Liege and the research work they perform covers most of the topics of the Workshop. One of the principal aims of this Workshop was to provide a bridge between the electromagnetic device designers, mainly industrialists, and the electromagnetic field computation developers. Therefore, this book contains a continuous spectrum of papers from application of electromagnetic models in industrial design to presentation of new theoretical developments.

On Motion Control of Linear Incremental Hydraulic Actuators

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Author :
Publisher : Linköping University Electronic Press
ISBN 13 : 9176854256
Total Pages : 91 pages
Book Rating : 4.1/5 (768 download)

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Book Synopsis On Motion Control of Linear Incremental Hydraulic Actuators by : Martin Hochwallner

Download or read book On Motion Control of Linear Incremental Hydraulic Actuators written by Martin Hochwallner and published by Linköping University Electronic Press. This book was released on 2017-10-24 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linear Incremental Hydraulic Actuators combine one or more short-stroke cylinders, and two or more engaging/disengaging mechanisms into one actuator with long, medium, or even unlimited stroke length. The motion of each single short-stroke actuator concatenated by the engaging/disengaging mechanisms forms the motion of the linear incremental hydraulic actuator. The patterns of how these motions are concatenated form the gaits of a specific linear incremental hydraulic actuator. Linear incremental hydraulic actuators may have more than one gait. In an application, the gaits may be combined to achieve optimal performance at various operating points. The distinguishing characteristic of linear incremental hydraulic actuators is the incremental motion. The term incremental actuator is seen as analogous to the incremental versus absolute position sensor. Incremental actuators realize naturally relative positioning. Incremental motion means also that the behavior does not depend on an absolute position but only on the relative position within a cycle or step. Incremental actuators may realize discrete incremental or continuous incremental motion. Discrete incremental actuators can only approach discrete positions, whereby stepper drives are one prominent example. In contrast, continuous incremental actuators may approach any position. Linear electric motors are one example of continuous incremental actuators. The actuator has no inherent limitation in stroke length, as every step or cycle adds only to the state at the beginning of the step or cycle and does not depend on the absolute position. This led to the alternative working title Hydraulic Infinite Linear Actuator. Linear incremental hydraulic actuator provides long stroke, high force, and linear motion and has the potential to decrease the necessary resource usage,minimize environmental impact, e.g. from potential oil spillage,extend the range of feasible products: longer, stiffer, better, etc. This thesis presents an analysis of the characteristics and properties of linear incremental hydraulic actuators as well as the gaits and possible realizations of some gaits. The gait for continuous, smooth motion with two cylinders is comprehensively studied and a control concept for the tracking problem is proposed. The control concept encapsulates the complexity of the linear incremental hydraulic actuator so that an application does not have to deal with it. One other gait, the ballistic gait, which realizes fast, energy-efficient motion, enabling energy recuperation is studied.

The Large Scale Structure of Space-Time

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Publisher : Cambridge University Press
ISBN 13 : 1139810952
Total Pages : 406 pages
Book Rating : 4.1/5 (398 download)

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Book Synopsis The Large Scale Structure of Space-Time by : S. W. Hawking

Download or read book The Large Scale Structure of Space-Time written by S. W. Hawking and published by Cambridge University Press. This book was released on 1975-02-27 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Einstein's General Theory of Relativity leads to two remarkable predictions: first, that the ultimate destiny of many massive stars is to undergo gravitational collapse and to disappear from view, leaving behind a 'black hole' in space; and secondly, that there will exist singularities in space-time itself. These singularities are places where space-time begins or ends, and the presently known laws of physics break down. They will occur inside black holes, and in the past are what might be construed as the beginning of the universe. To show how these predictions arise, the authors discuss the General Theory of Relativity in the large. Starting with a precise formulation of the theory and an account of the necessary background of differential geometry, the significance of space-time curvature is discussed and the global properties of a number of exact solutions of Einstein's field equations are examined. The theory of the causal structure of a general space-time is developed, and is used to study black holes and to prove a number of theorems establishing the inevitability of singualarities under certain conditions. A discussion of the Cauchy problem for General Relativity is also included in this 1973 book.