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Download or read book 10th International Fluid Power Conference written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 10th International Fluid Power Conference (10. IFK) written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 634 pages
Book Rating : 4.:/5 (951 download)
Download or read book 10th International Fluid Power Conference written by and published by . This book was released on 2016 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 10th International Fluid Power Conference (10. IFK) written by and published by . This book was released on 2016 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9783826599002
Total Pages : pages
Book Rating : 4.5/5 (99 download)
Download or read book International Fluid Power Conference (3rd IFK). Fluid Power Focused on Applications written by and published by . This book was released on 2002 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (144 download)
Download or read book 14th International Fluid Power Conference written by and published by . This book was released on 2024 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Radek, N.
Publisher : Materials Research Forum LLC
ISBN 13 : 1945291818
Total Pages : 264 pages
Book Rating : 4.9/5 (452 download)
Download or read book Terotechnology written by Radek, N. and published by Materials Research Forum LLC. This book was released on 2018-08-25 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume presents advances in materials research and technology in the area of terotechnology, i.e. the technology of installation, maintenance, replacement and removal of plant machinery and equipment, reliability analysis, technical diagnostics, tribology and technical safety. Specific topics include Cavitation Erosion, Simulation of Particle Erosion, Mechanically-assisted Laser Forming, Laser Machining of Tool Steels, Titanium Carbonitride Coatings, Causes of Cracks in Thermit Welds, Diamond-Like Coatings on Titanium, Reinforcement of Concrete, Fatigue Strength of Construction Elements, Modeling of Mining Support Structures, Surface Treatments of Sintered Stainless Steel, Thermal Welding, Joints of Nickel-Based Superalloys, Robotic Laser Cleaning of Materials, Tribological Properties of Laser-processed ESD Coatings, Laser-modified WC-Cu Electro-Spark Coatings, anti-Graffiti Coating Systems.
Author : Samuel Kärnell
Publisher : Linköping University Electronic Press
ISBN 13 : 9179298303
Total Pages : 72 pages
Book Rating : 4.1/5 (792 download)
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 72 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.
Download or read book 4th international fluid power conference (4 IFK) written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Hochwallner
Publisher : Linköping University Electronic Press
ISBN 13 : 9176854256
Total Pages : 91 pages
Book Rating : 4.1/5 (768 download)
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.
Author : Hubertus Murrenhoff
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (644 download)
Download or read book 7th International Fluid Power Conference written by Hubertus Murrenhoff and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Genti Guxho
Publisher : Springer Nature
ISBN 13 : 3031489330
Total Pages : 559 pages
Book Rating : 4.0/5 (314 download)
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.
Author : L. Viktor Larsson
Publisher : Linköping University Electronic Press
ISBN 13 : 9176854833
Total Pages : 55 pages
Book Rating : 4.1/5 (768 download)
Download or read book Control Aspects of Complex Hydromechanical Transmissions written by L. Viktor Larsson and published by Linköping University Electronic Press. This book was released on 2017-08-17 with total page 55 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis deals with control aspects of complex hydromechanical transmissions. The overall purpose is to increase the knowledge of important aspects to consider during the development of hydromechanical transmissions to ensure transmission functionality. These include ways of evaluating control strategies in early design stages as well as dynamic properties and control aspects of displacement controllers, which are key components in these systems. Fuel prices and environmental concerns are factors that drive research on propulsion in heavy construction machinery. Hydromechanical transmissions are strong competitors to conventional torque-converter transmissions used in this application today. They offer high efficiency and wide speed/torque conversion ranges, and may easily be converted to hybrids that allow further fuel savings through energy recuperation. One challenge with hydromechanical transmissions is that they offer many different configurations, which in turn makes it important to enable evaluation of control aspects in early design stages. In this thesis, hardware-in-the-loop simulations, which blend hardware tests and standard software-based simulations, are considered to be a suitable method. A multiple-mode transmission applied to a mid-sized construction machine is modelled and evaluated in offline simulations as well as in hardware-in-the-loopsimulations. Hydromechanical transmissions rely on efficient variable pumps/motors with fast, accurate displacement controllers. This thesis studies the dynamic behaviour of the displacement controller in swash-plate axial-piston pumps/motors. A novel control approach in which the displacement is measured with an external sensor is proposed. Performance and limitations of the approach are tested in simulations and in experiments. The experiments showed a significantly improved performance with a controller that is slightly more advanced than a standard proportional controller. The implementation of the controller allows simple tuning and good predictability of the displacement response.
Author : Internationales Fluidtechnisches Kolloquium
Publisher :
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.:/5 (836 download)
Download or read book 6. International Fluid Power Conference written by Internationales Fluidtechnisches Kolloquium and published by . This book was released on 2008 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mikael Axin
Publisher : Linköping University Electronic Press
ISBN 13 : 9176859711
Total Pages : 108 pages
Book Rating : 4.1/5 (768 download)
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.
Download or read book 12th International Fluid Power Conference (12. IFK). Dresden, October 12 - 14, 2020 written by and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book 12th International Fluid Power Conference (12. IFK). Dresden, October 12 - 14, 2020 written by and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
