Adaptive Force Control Of Hydraulic Actuator Systems For Dynamic Structural Testing
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Adaptive Force Control Of Hydraulic Actuator Systems For Dynamic Structural Testing
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Author : Sayed Shehata Karar
language : en
Publisher:
Release Date : 1991
Adaptive Force Control Of Hydraulic Actuator Systems For Dynamic Structural Testing written by Sayed Shehata Karar and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with categories.
Development Of A Nonlinear Adaptive Control Scheme For Hydraulic Actuators
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Author :
language : en
Publisher:
Release Date : 1906
Development Of A Nonlinear Adaptive Control Scheme For Hydraulic Actuators written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1906 with categories.
Hydraulic servovalve controlled systems contain many time-varying dynamic characteristics that are difficult to model. Controllers for such systems must either adapt to these changing parameters or be robust enough to handle the parameter variations. In this Thesis the application of an indirect model reference adaptive control (MRAC) scheme to a hydraulic actuator is investigated. A discrete-time plant model is suggested which has dead time and no zeros, eliminating the possibility of unstable pole-zero cancellation. Using this model, a linear indirect adaptive controller is developed and tested first on a simulation model of a hydraulic positioning system The robustness of the parameter adaptation is achieved by using recursive least-squares algorithm in combination with a dead zone in the adaptive law. While the controller shows good performance for a valve with linear flow characteristics, it shows low performance in the presence of flow deadbeat and nonlinear orifice opening. To deal with these two nonconformities, the linear plant model is augmented by adding a static nonagenarian. The resulting nonlinear MRAC shows improved performance as compared to its linear counterpart. Experiments on an existing hydraulic test station confirms the effectiveness and performance improvement of the proposed method.
Development Of A Nonlinear Adaptive Control Scheme For Hydraulic Actuators
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Author : Kamyar Ziaei
language : en
Publisher:
Release Date : 1998
Development Of A Nonlinear Adaptive Control Scheme For Hydraulic Actuators written by Kamyar Ziaei and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.
Adaptive Position And Force Control Of Hydraulic Robots Theory Simulation And Experiments
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Author :
language : en
Publisher:
Release Date : 1997
Adaptive Position And Force Control Of Hydraulic Robots Theory Simulation And Experiments written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.
Analysis And Design Of A Hydraulic Force Control System In Dynamic Structural Testing
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Author : R. W. Pratt
language : en
Publisher:
Release Date : 1980
Analysis And Design Of A Hydraulic Force Control System In Dynamic Structural Testing written by R. W. Pratt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with categories.
Advances On Testing And Experimentation In Civil Engineering
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Author : Carlos Chastre
language : en
Publisher: Springer Nature
Release Date : 2023-03-28
Advances On Testing And Experimentation In Civil Engineering written by Carlos Chastre and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-28 with Technology & Engineering categories.
This book presents the most recent advances on testing and experimentation in civil engineering, especially in the branches of materials, structures, and buildings, complementing the authors’ publication Advances on Testing and Experimentation in Civil Engineering - Geotechnics, Transportation, Hydraulics and Natural Resources. It includes advances in physical modelling, monitoring techniques, data acquisition and analysis, and provides an invaluable contribution to the installation of new civil engineering experimental facilities. The first part of the book covers the latest advances in the testing and experimentation of key domains of materials, such as bio-cementation and self-healing, durability, and recycled materials, as well as the new environmental requirements related to the presence of hazardous substances in construction materials. Furthermore, laboratory and in situ tests, together with equipment needed to estimate the behaviour and durability of construction materials are presented, updating the most important technological advances. The second part of the book highlights the relevance of testing and monitoring in structures, including in situ tests related to static load tests, dynamic tests, and long-term monitoring strategies, as well as laboratory tests of adhesive joints. Experimental tests on shake tables and blast-resistant structures are also described. Recent applications of drone technologies for the inspection and monitoring of civil structures are another important theme developed. Finally, in its third part, the book presents new developments in the characterisation of building testing, with the support of modelling, to assess building pathology and new requirements, acoustic comfort, fire safety, visual comfort, and energy consumption.
Adaptive Control Of Systems With Actuator Failures
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Author : Gang Tao
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-04-02
Adaptive Control Of Systems With Actuator Failures written by Gang Tao 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 2004-04-02 with Science categories.
This book shows readers new ways to compensate for disturbances in control systems prolonging the intervals between time-consuming and/or expensive fault diagnosis procedures, keeping them up to date in the increasingly important field of adaptive control.
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.
Adaptive Control With Impact Detection Of A Hydraulic Actuator Connected To A Flexible Mechanical Structure
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Author : Petter Krus
language : en
Publisher:
Release Date : 1995
Adaptive Control With Impact Detection Of A Hydraulic Actuator Connected To A Flexible Mechanical Structure written by Petter Krus and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with categories.
Adaptive Control System Volume 1 Equipment And Testing
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Author :
language : en
Publisher:
Release Date : 1986
Adaptive Control System Volume 1 Equipment And Testing written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with categories.
This final report describes a two year effort to enhance the dynamic response of the load electro-hydraulic control systems used in fatigue testing by a combination of adding control functions of resonance compensation, integral control, and feedforward to the electronic controller; making frequency response measurements of the open-loop control system as a basis for closed loop adjustment; and using a small computer to assist in the optimum adjustment of the control equipments. Hardware was developed and produced for three systems including computer controlled frequency response analyzer, and manual or computer setup controller, resonance compensation and manual integral control and feedforward networks. Software was developed to make the frequency response measurements, to optimize system adjustments, to set the control hardware, and to make on-line digital data taking and data reduction possible. The individual components and the overall system was demonstrated and upgraded by application to real test setups in the Structures Test Laboratory. Significant improvements in dynamic performance and run time were achieved. Adaptive setup and on-line adjustment are now possible.