The Dynamics And Stability Of An Electro Hydraulic Actuator System
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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.
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.
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.
Controlling Electrohydraulic Systems
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Author : Wayne Anderson
language : en
Publisher: CRC Press
Release Date : 2020-11-26
Controlling Electrohydraulic Systems written by Wayne Anderson and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-26 with Technology & Engineering categories.
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.
A Study Of The Stability Of A Hydraulic Actuator System
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Author : Paul A. Stoelting
language : en
Publisher:
Release Date : 1999
A Study Of The Stability Of A Hydraulic Actuator System written by Paul A. Stoelting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Actuators categories.
Hydraulic And Electro Hydraulic Control Systems
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Author : R.B. Walters
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Hydraulic And Electro Hydraulic Control Systems written by R.B. Walters and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.
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.
Hydraulic And Electric Hydraulic Control Systems
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Author : R.B. Walters
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-22
Hydraulic And Electric Hydraulic Control Systems written by R.B. Walters and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-22 with Science categories.
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 range, specifically at fractional horsepower level. A further, and frequently 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.
Modeling Analysis And Control Of Hydraulic Actuator For Forging
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Author : Xinjiang Lu
language : en
Publisher: Springer
Release Date : 2017-12-30
Modeling Analysis And Control Of Hydraulic Actuator For Forging written by Xinjiang Lu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-30 with Technology & Engineering categories.
This book describes load modeling approaches for complex work pieces and batch forgings, and demonstrates analytical modeling and data-driven modeling approaches for known and unknown complex forging processes. It overcomes the current shortcomings of modeling, analysis and control approaches, presenting contributions in three major areas: In the first, several novel modeling approaches are proposed: a process/shape-decomposition modeling method to help estimate the deformation force; an online probabilistic learning machine for the modeling of batch forging processes; and several data-driven identification and modeling approaches for unknown forging processes under different work conditions. The second area develops model-based dynamic analysis methods to derive the conditions of stability and creep. Lastly, several novel intelligent control methods are proposed for complex forging processes. One of the most serious problems in forging forming involves the inaccurate forging conditions, velocity and position offered by the hydraulic actuator due to the complexity of both the deformation process of the metal work piece and the motion process of the hydraulic actuator. The book summarizes the current weaknesses of modeling, analysis and control approaches. are summarized as follows: a) With the current modeling approaches it is difficult to model complex forging processes with unknown parameters, as they only model the dynamics in local working areas but do not effectively model unknown nonlinear systems across multiple working areas; further, they do not take the batch forging process into account, let alone its distribution modeling. b) All previous dynamic analysis studies simplify the forging system to having a single-frequency pressure fluctuation and neglect the influences of non-linear load force. Further, they fail to take the flow equation in both valves and cylinders into account. c) Conventional control approaches only consider the linear deformation force and pay no attention to sudden changes and the motion synchronization for the multi-cylinder system, making them less effective for complex, nonlinear time-varying forging processes subject to sudden changes.
Design Of A Hydraulic Actuator Test Stand For Non Linear Analysis Of Hydraulic Actuator Systems
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Author :
language : en
Publisher:
Release Date : 2001
Design Of A Hydraulic Actuator Test Stand For Non Linear Analysis Of Hydraulic Actuator Systems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.
Stability is imperative in the design of hydraulic systems. Servo-hydraulic systems are inherently non-linear creating various nuances when analyzing the stability of the system. Friction, port flow, saturation, impact loading, line dynamics, and boundary conditions are a few of the many non-linearities found in servo-hydraulic systems which are to be analyzed using advanced non-linear stability analysis techniques. Some effects of instabilities induced by non-linearities such as pressure oscillations, noise, etc., can be detrimental to the stability or operation of hydraulic systems especially when the design is near the envelope of stability. This thesis presents preliminary research on the various non-linearities found in hydraulic systems. A test stand has been developed to test the hydraulic cylinder system dynamics, with the inclusion of a mass-spring-damper system. An experimental modal analysis was performed on the hydraulic test stand to provide helpful information regarding the natural frequencies of the structure to insure that these frequencies do not lie near the natural frequencies of the hydraulic systems. Initial non-linear dynamic testing was completed on two hydraulic cylinders, consisting of finding the breakaway friction forces of the hydraulic cylinders.
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.