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System And Method For Controlling Hydraulic Pressure In Electro Hydraulic Valve Actuation Systems
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Book Synopsis System and Method for Controlling Hydraulic Pressure in Electro-hydraulic Valve Actuation Systems by :
Download or read book System and Method for Controlling Hydraulic Pressure in Electro-hydraulic Valve Actuation Systems written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A control system for an engine includes a first lift control module and a second lift control module. The first lift control module increases lift of M valves of the engine to a predetermined valve lift during a period before disabling or re-enabling N valves of the engine. The second lift control module decreases the lift of the M valves to a desired valve lift during a period after enabling or re-enabling the N valves of the engine, wherein N and M are integers greater than or equal to one.
Book Synopsis Hydraulic Control Systems by : Noah D. Manring
Download or read book Hydraulic Control Systems written by Noah D. Manring and published by John Wiley & Sons. This book was released on 2019-09-24 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides key updates to a must-have text on hydraulic control systems This fully updated, second edition offers students and professionals a reliable and comprehensive guide to the hows and whys of today's hydraulic control system fundamentals. Complete with insightful industry examples, it features the latest coverage of modeling and control systems with a widely accepted approach to systems design. The book also offers all new information on: advanced control topics; auxiliary components (reservoirs, accumulators, coolers, filters); hybrid transmissions; multi-circuit systems; and digital hydraulics. Chapters in Hydraulic Control Systems, 2nd Edition cover; fluid properties; fluid mechanics; dynamic systems and control; hydraulic valves, pumps, and actuators; auxiliary components; and both valve and pump controlled hydraulic systems. The book presents illustrative case studies throughout that highlight important topics and demonstrate how equations can be implemented and used in the real world. It also features end-of-chapter exercises to help facilitate learning. It is a powerful tool for developing a solid understanding of hydraulic control systems that will serve all practicing engineers in the field. Provides a useful review of fluid mechanics and system dynamics Offers thorough analysis of transient fluid flow forces within valves Adds all new information on: advanced control topics; auxiliary components; hybrid transmissions; multi-circuit systems; and digital hydraulics Discusses flow ripple for both gear pumps and axial piston pumps Presents updated analysis of the pump control problems associated with swash plate type machines Showcases a successful methodology for hydraulic system design Features reduced-order models and PID controllers showing control objectives of position, velocity, and effort Hydraulic Control Systems, 2nd Edition is an important book for undergraduate and first-year graduate students taking courses in fluid power. It is also an excellent resource for practicing engineers in the field of fluid power.
Book Synopsis Electro-Hydraulic Actuation Systems by : J. Jaidev Vyas
Download or read book Electro-Hydraulic Actuation Systems written by J. Jaidev Vyas and published by Springer. This book was released on 2018-09-01 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book serves as a unique integrated platform, which not only describes the design methodology of electro-hydraulic actuation systems but also provides insights into the design of the servo valve, which is the most important component in the system. It presents a step-by-step design process, comparative tables, illustrative figures, and detailed explanations. The book focuses on the design and testing of electro-hydraulic actuation systems, which are increasingly being used in motion control applications, particularly in those where precision actuation at high operational rates is of prime importance. It describes in detail the design philosophy of such high-performance systems, presenting a system used as a physical test setup together with experimental results to corroborate the calculations. Of particular interest are the electro-hydraulic servo valves that form the heart of these actuations. These valves are complex and not much data is available in open literature due to OEM propriety issues. In this context, the book discusses the elaborate mathematical models that have been derived and an approach to validate the mathematical models with test results. Presenting the complex methodology in simple language, it will prove to be a valuable resource for students, researchers, and professional engineers alike.
Book Synopsis Nonlinear Control Techniques for Electro-Hydraulic Actuators in Robotics Engineering by : Qing Guo
Download or read book Nonlinear Control Techniques for Electro-Hydraulic Actuators in Robotics Engineering written by Qing Guo and published by CRC Press. This book was released on 2017-08-14 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nonlinear Control Techniques for Electro-Hydraulic Actuators in Robotics Engineering meets the needs of those working in advanced electro-hydraulic controls for modern mechatronic and robotic systems. The non-linear EHS control methods covered are proving to be more effective than traditional controllers, such as PIDs. The control strategies given address parametric uncertainty, unknown external load disturbance, single-rod actuator characteristics, and control saturation. Theoretical and experimental validations are explained, and examples provided. Based on the authors' cutting-edge research, this work is an important resource for engineers, researchers, and students working in EHS.
Book Synopsis Hydraulic Control Systems: Theory And Practice by : Shizurou Konami
Download or read book Hydraulic Control Systems: Theory And Practice written by Shizurou Konami and published by World Scientific Publishing Company. This book was released on 2016-08-19 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt: A hydraulic system controls the transmission of energy. It transforms the mechanical energy of a prime motor into fluid energy. It controls the fluid configuration and transforms the fluid energy into mechanical work at specified locations. Hydraulic systems feature high power density, sensitive response and precision of control, especially when operating under computer control. Thus, they have been widely used as the energy transmission control systems in aircraft, ships, construction machinery, machine tools and others. Therefore, it is indispensable for a mechanical engineer to become versed with hydraulic control technology. The technology is mainly associated with fluid mechanics and control theories, but it is related to the wider field of engineering as well.This book provides a comprehensive treatment of the analysis and design of hydraulic control systems which will be invaluable for practising engineers, as well as undergraduate and graduate students specializing in mechanical engineering. Firstly, the fundamental concepts of hydraulic control systems are addressed, and illustrated by reference to applications in the field of aviation engineering. Secondly, the fluid mechanics necessary for the comprehension of hydraulic elements are provided. The technology of the hydraulic components composing hydraulic control systems is addressed, the key focus being on how to apply theoretical concepts into the design and analysis of hydraulic components and systems. Finally, there is a discussion on fundamental control technology and its application to hydraulic servo systems. This includes the formation of hydraulic servo systems, basic control theorems, methods identifying the dynamic characteristics of hydraulic actuator systems, and a design method for hydraulic control systems. Numerical exercises are provided at the end of each chapter.
Book Synopsis Electro Hydraulic Valve by : Aaron Parchman
Download or read book Electro Hydraulic Valve written by Aaron Parchman and published by . This book was released on 2021-03-18 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electro-Hydrostatic actuators (EHAs), replace hydraulic systems with self-contained actuators operated solely by electrical power. EHAs eliminate the need for separate hydraulic pumps and tubing, simplifying system architectures and improving safety and reliability. This book will give you: Electro Hydraulic Forming: How Does Electro-Hydr Aulic Work? Electro Hydraulic Valve: What Is Electro-Hydraulic Control System? Electro Hydraulic Power: How Does A Electro-Hydraulic Servo Valve Work?
Book Synopsis System and Method for Controlling Engine Knock Using Electro-hydraulic Valve Actuation by :
Download or read book System and Method for Controlling Engine Knock Using Electro-hydraulic Valve Actuation written by and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A control system for an engine includes a knock control module and a valve control module. The knock control module adjusts a period that one or more of an intake valve and an exhaust valve of a cylinder are open based on engine knock corresponding to the cylinder. The valve control module, based on the adjusted period, controls the one or more of the intake valve and the exhaust valve using one or more hydraulic actuators.
Book Synopsis Hydraulic and Electro-Hydraulic Control Systems by : R.B. Walters
Download or read book Hydraulic and Electro-Hydraulic Control Systems written by R.B. Walters and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Force and motion control systems of varying degrees of sophistication have shaped the lives of all individuals living in industrialized countries all over the world, and together with communication technology are largely responsible for the high standard ofliving prevalent in many communities. The brains of the vast majority of current control systems are electronic, in the shape of computers, microprocessors or programmable logic controllers (PLC), the nerves are provided by sensors, mainly electromech anical transducers, and the muscle comprises the drive system, in most cases either electric, pneumatic or hydraulic. The factors governing the choice of the most suitable drive are the nature of the application, the performance specification, size, weight, environ mental and safety constraints, with higher power levels favouring hydraulic drives. Past experience, especially in the machine tool sector, has clearly shown that, in the face of competition from electric drives, it is difficult to make a convincing case for hydraulic drives at the bottom end of the power at fractional horsepower level. A further, and frequently range, specifically overriding factor in the choice of drive is the familiarity of the system designer with a particular discipline, which can inhibit the selection of the optimum and most cost-effective solution for a given application. One of the objectives of this book is to help the electrical engineer overcome his natural reluctance to apply any other than electric drives.
Book Synopsis Hydraulic and Electro-Hydraulic Control Systems by : Ronald B. Walters
Download or read book Hydraulic and Electro-Hydraulic Control Systems written by Ronald B. Walters and published by Kluwer Academic Publishers. This book was released on 2000-10-01 with total page 331 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication covers control sytems that employ proportionalcontrol elements, e.g., proportional control valves and hydrostatictransmissions, and gives extensive treatment to system modellingincluding algorithms for computer-based analysis.The three main features of this book are: The book essentially studies andanalyses force and motion control systems, from simple hydraulic tocomplex electro-hydraulic control systems, bridges the gap inknowledge between the control engineer and the average hydraulicapplication engineer, and provides a contribution towards the widerapplication of hydraulic systems.This second enlarged edition includes an entirely new addition- a tutor for the application of Hydro Analyst. The tutorprovides a hands-on' system simulation procedure for the systemmodelling package Hydro Analyst supplied with this edition as a floppydisk. The package contains an extensive component database andcomprehensive graphics facilities.This book will be of interest to engineers working in hydraulics andcontrol.
Book Synopsis Controlling Electrohydraulic Systems by : Wayne Anderson
Download or read book Controlling Electrohydraulic Systems written by Wayne Anderson and published by CRC Press. This book was released on 2020-11-26 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses the pump's role in electrohydraulic systems and its use as a power source to a control loop, and provides a good understanding of the basics, complemented by working knowledge of the "real world." It is intended for engineers and students who have studied feedback control theory.
Book Synopsis Electro Hydraulic Control Theory and Its Applications Under Extreme Environment by : Yaobao Yin
Download or read book Electro Hydraulic Control Theory and Its Applications Under Extreme Environment written by Yaobao Yin and published by Butterworth-Heinemann. This book was released on 2019-02-16 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electro hydraulic Control Theory and Its Applications under Extreme Environment not only presents an overview on the topic, but also delves into the fundamental mathematic models of electro hydraulic control and the application of key hydraulic components under extreme environments. The book contains chapters on hydraulic system design, including thermal analysis on hydraulic power systems in aircraft, power matching designs of hydraulic rudder, and flow matching control of asymmetric valves and cylinders. With additional coverage on new devices, experiments and application technologies, this book is an ideal reference on the research and development of significant equipment. Addresses valves' application in aircrafts, including servo valves, relief valves and pressure reducing valves Presents a qualitative and quantitative forecast of future electro-hydraulic servo systems, service performance, and mechanization in harsh environments Provides analysis methods, mathematical models and optimization design methods of electro-hydraulic servo valves under extreme environments
Book Synopsis Design and Validation of an Electro-hydraulic Pressure-control Valve and Closed-loop Controller by : Jerry Boza
Download or read book Design and Validation of an Electro-hydraulic Pressure-control Valve and Closed-loop Controller written by Jerry Boza and published by . This book was released on 2016 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electro-hydraulic pressure-control valves are used in many applications, such as manufacturing equipment, agricultural machinery, and aircrafts to name a few. They are often used to actuate hydraulic clutches, such as those found in power shift transmissions. A traditional pressure-control valve with open-loop control algorithm is typically used in clutch applications. This scheme often results in inconsistent or undesirable system behavior due to the nature of open-loop control as well as the nonlinear system dynamics and uncertainties. In this research two new electro-hydraulic pressure-control valves were designed in order to decouple the valve and control port (hydraulic) dynamics. This was achieved by removing the regulated pressure balancing force utilized in traditional pressure-control valves. Different closed-loop controllers were designed and tested in parallel in order to achieve the desired steady-state and dynamic regulated pressure response. A nonlinear dynamic model was developed for each valve then used to compare the performance characteristics of the valves. Linear analysis was performed and various control techniques were studied from classical PID control to modern optimal control. The model was also used to predict performance of the closed-loop controllers prior to experimental testing and to validate experimentally tuned controllers afterwards. Prototype valves were fabricated in order to validate the model and to test the controller designs experimentally. Different valve and controller combinations were compared to a traditional pressure-control valve utilizing open-loop control through typical industry performance tests. This study found that a valve with a traditional pressure-control pilot and a main stage spool with no pressure balancing force, along with a gain scheduled PID controller, outperformed the traditional valve in all areas tested. This approach is also feasible within the existing infrastructure of most applications where the benchmark traditional valve is currently used.
Book Synopsis FLUID POWER CONTROL SYSTEMS by : MD FAIYAZ AHMED
Download or read book FLUID POWER CONTROL SYSTEMS written by MD FAIYAZ AHMED and published by Lulu.com. This book was released on 2016-10-03 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Detailed coverage of the concepts of Hydraulics, Pneumatic, Control valves, Lever systems. Objective type questions included in each chapter. Detailed study of each and every topic in the chapter.
Book Synopsis Electro Hydraulic Power by : Shanae Lavzon
Download or read book Electro Hydraulic Power written by Shanae Lavzon and published by . This book was released on 2021-03-18 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electro-Hydrostatic actuators (EHAs), replace hydraulic systems with self-contained actuators operated solely by electrical power. EHAs eliminate the need for separate hydraulic pumps and tubing, simplifying system architectures and improving safety and reliability. This book will give you: Electro Hydraulic Forming: How Does Electro-Hydr Aulic Work? Electro Hydraulic Valve: What Is Electro-Hydraulic Control System? Electro Hydraulic Power: How Does A Electro-Hydraulic Servo Valve Work?
Book Synopsis Hydraulic Control Systems by : Noah Manring
Download or read book Hydraulic Control Systems written by Noah Manring and published by John Wiley & Sons. This book was released on 2005-04-15 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique resource that demystifies the physical basics of hydraulic systems Hydraulic Control Systems offers students and professionals a reliable, complete volume of the most up-to-date hows and whys of today's hydraulic control system fundamentals. Complete with insightful industry examples, it features the latest coverage of modeling and control systems with a widely accepted approach to systems design. Hydraulic Control Systems is a powerful tool for developing a solid understanding of hydraulic control systems that will serve the practicing engineer in the field. Throughout the book, illustrative case studies highlight important topics and demonstrate how equations can be implemented and used in the real world. Featuring exercise problems at the end of every chapter, Hydraulic Control Systems presents: A useful review of fluid mechanics and system dynamics Thorough analysis of transient fluid flow forces within valves Discussions of flow ripple for both gear pumps and axial piston pumps Updated analysis of the pump control problems associated with swash plate type machines A successful methodology for hydraulic system design—starting from the load point of the system and working backward to the ultimate power source Reduced-order models and PID controllers showing control objectives of position, velocity, and effort
Book Synopsis Hydraulics and Pneumatics by : E. Andrew Parr
Download or read book Hydraulics and Pneumatics written by E. Andrew Parr and published by Butterworth-Heinemann. This book was released on 1991 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a process control engineer, this book is a guide to operation of hydraulic and pneumatics systems. It is intended for engineers and technicians who wish to have an insight into the components and operation of a pneumatic or hydraulic system.
Book Synopsis Industrial Hydraulic Control by : Peter Rohner
Download or read book Industrial Hydraulic Control written by Peter Rohner and published by Prentice Hall. This book was released on 1987 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt:
