Electro Hydraulic Actuation Systems

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Electro Hydraulic Actuation Systems

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Author : J. Jaidev Vyas
language : en
Publisher: Springer
Release Date : 2018-09-01

Electro Hydraulic Actuation Systems written by J. Jaidev Vyas and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-09-01 with Technology & Engineering categories.

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.

Nonlinear Control Techniques For Electro Hydraulic Actuators In Robotics Engineering

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Author : Qing Guo
language : en
Publisher: CRC Press
Release Date : 2017-08-14

Nonlinear Control Techniques For Electro Hydraulic Actuators In Robotics Engineering written by Qing Guo and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-14 with Technology & Engineering categories.

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.

Electro Hydraulic Valve

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Author : Aaron Parchman
language : en
Publisher:
Release Date : 2021-03-18

Electro Hydraulic Valve written by Aaron Parchman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-03-18 with categories.

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?

Design And Verification Of An Open Circuit Electro Hydraulic Actuator System With An Integrated Electro Hydraulic Unit

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Author : Shaoyang Qu
language : en
Publisher:
Release Date : 2023

Design And Verification Of An Open Circuit Electro Hydraulic Actuator System With An Integrated Electro Hydraulic Unit written by Shaoyang Qu and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.

Modelling And Controller Design Of An Industrial Electro Hydraulic Actuator System Using Servo Valve

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Author : Jason Micheal
language : en
Publisher:
Release Date : 2012

Modelling And Controller Design Of An Industrial Electro Hydraulic Actuator System Using Servo Valve written by Jason Micheal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

The Dynamics And Stability Of An Electro Hydraulic Actuator System

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Author : Craig Andrew Hennings
language : en
Publisher:
Release Date : 1994

The Dynamics And Stability Of An Electro Hydraulic Actuator System written by Craig Andrew Hennings and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

On Motion Control Of Linear Incremental Hydraulic Actuators

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Author : Martin Hochwallner
language : en
Publisher: Linköping University Electronic Press
Release Date : 2017-10-24

On Motion Control Of Linear Incremental Hydraulic Actuators written by Martin Hochwallner and has been published by Linköping University Electronic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-24 with categories.

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.

Hydraulic Actuator Force Control

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Author : Masoumeh Esfandiari
language : en
Publisher:
Release Date : 2016

Hydraulic Actuator Force Control written by Masoumeh Esfandiari and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016 with categories.

Miniature Electro Hydraulic Actuator System

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Author : Jen-Kou Chou
language : en
Publisher:
Release Date : 1983

Miniature Electro Hydraulic Actuator System written by Jen-Kou Chou and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Aerofoils categories.

Control Of An Electrohydraulic Actuation System

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Author : Jayanta Das
language : en
Publisher: LAP Lambert Academic Publishing
Release Date : 2012

Control Of An Electrohydraulic Actuation System written by Jayanta Das and has been published by LAP Lambert Academic Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.

Electrohydraulic systems have higher power-to-weight ratio and higher speed of response in comparison to electrical actuators. Advancement in the computational power and user-friendly re-embedding option of real-time control algorithm in Field-Programmable Gate-Array, or FPGA, architecture hold promise for the design and use of the more precise and robust nonlinear model-based controllers. Non-linear behavior of the system poses challenge to modeling and control of electro-hydraulic systems.The objective of the studies are nonlinear modeling through systematic experimental characterization of the different modules of an electrohydraulic system and their use for real-time control. The mathematical models used in overall plant are used to develop a close loop control model of the plant. An off-line nonlinear feedforward control with spring loading on the actuator piston beyond cushioning zone has been developed using these subsystem models by neglecting oil compressibility, valve dynamics and leakage.PID feedback has been used in real-time so as to take care of the unmodelled features and the modeling approximations.Simulation model developed controller is used in real-time.