Design Of Adaptive Control Systems Through Utilization Of Sensitivity Concepts
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Design Of Adaptive Control Systems Through Utilization Of Sensitivity Concepts
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Author : Michael Keith Masten
language : en
Publisher:
Release Date : 1968
Design Of Adaptive Control Systems Through Utilization Of Sensitivity Concepts written by Michael Keith Masten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Adaptive control systems categories.
Design Of Adaptive Control Systems Through Utilization Of Sensitivity Concepts
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Author : Michael K. Masten
language : en
Publisher:
Release Date : 1968
Design Of Adaptive Control Systems Through Utilization Of Sensitivity Concepts written by Michael K. Masten and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Adaptive control systems categories.
The problem of controller design for unidentified time variable systems is considered. The adaptive solution obtained does not identify the unknown plant; rather a low order linear tracker is determined whose behavior is 'near' to that of the plant. The tracker characteristics are sufficiently similar to those of the plant so that controller synthesis based on the information gained from the tracker is assumed adequate for control of the plant. The tracker must be rapidly determined since the plant is time variable; time intervals for which the tracker is not an accurate approximation of the plant represent periods of inferior control. The adaptive rate at which the tracker is determined is considered and a scheme which will provide rapid adaption is developed. Controller design is based upon the approximate plant description provided by the tracker. It is recognized that this description is approximate so the controller is designed in order that overall performance is relatively insensitive to this approximation. Sensitivity theory is employed in the achievement of this objective. (Author).
Sensitivity Methods In The Design Of Adaptive Control Systems
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Author : P. N. Nikiforuk
language : en
Publisher:
Release Date : 1969*
Sensitivity Methods In The Design Of Adaptive Control Systems written by P. N. Nikiforuk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969* with Adaptive control systems categories.
Digital Control Systems
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Author : Ioan Doré Landau
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-05-11
Digital Control Systems written by Ioan Doré Landau 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 2007-05-11 with Technology & Engineering categories.
The extraordinary development of digital computers (microprocessors, microcontrollers) and their extensive use in control systems in all fields of applications has brought about important changes in the design of control systems. Their performance and their low cost make them suitable for use in control systems of various kinds which demand far better capabilities and performances than those provided by analog controllers. However, in order really to take advantage of the capabilities of microprocessors, it is not enough to reproduce the behavior of analog (PID) controllers. One needs to implement specific and high-performance model based control techniques developed for computer-controlled systems (techniques that have been extensively tested in practice). In this context identification of a plant dynamic model from data is a fundamental step in the design of the control system. The book takes into account the fact that the association of books with software and on-line material is radically changing the teaching methods of the control discipline. Despite its interactive character, computer-aided control design software requires the understanding of a number of concepts in order to be used efficiently. The use of software for illustrating the various concepts and algorithms helps understanding and rapidly gives a feeling of the various phenomena.
Design Approach Evaluation Of Multiple Input Model Reference Adaptive Control Systems
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Author : Paul Nelson Cowgill
language : en
Publisher:
Release Date : 1968
Design Approach Evaluation Of Multiple Input Model Reference Adaptive Control Systems written by Paul Nelson Cowgill and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Automatic control categories.
The model-reference, adaptive control concept is based on the precept that desired control system performance is a known design requirement and can be obtained from a representative model. Control system parameters are adjusted by the adaptive controller through a minimizing operation on a function of the error (i.e., performance index) between control system and model response characteristics. By minimizing the performance index, the control system response characteristics will track those of the model. This thesis presents a unified review of model-reference, adaptive control system design and analysis techniques and a method for analytically determining adaptive control loop sensitivity to multiple forcing functions. The design and analysis techniques presented encompass design approach variations (i.e., configuration deviations) and solutions to commonly encountered application problems. The multiple forcing functions considered consist of reference and disturbance inputs. The forcing function sensitivity of two adaptive controller configurations is analytically derived and compared for single and simultaneous, sinusoidal inputs. Frequency-domain analysis techniques are thereby extended for application to these two particular configurations of nonlinear systems.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1993
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Aeronautics categories.
Oar Cumulative Index Of Research Results
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Author :
language : en
Publisher:
Release Date : 1967
Oar Cumulative Index Of Research Results written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Aeronautics categories.
Sensitivity Constrained Linear Optimal Control
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Author : John Robert Sesak
language : en
Publisher:
Release Date : 1974
Sensitivity Constrained Linear Optimal Control written by John Robert Sesak and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1974 with categories.
Adaptive Control
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Author : Ioan Doré Landau
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-06-06
Adaptive Control written by Ioan Doré Landau 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 2011-06-06 with Technology & Engineering categories.
Adaptive Control (second edition) shows how a desired level of system performance can be maintained automatically and in real time, even when process or disturbance parameters are unknown and variable. It is a coherent exposition of the many aspects of this field, setting out the problems to be addressed and moving on to solutions, their practical significance and their application. Discrete-time aspects of adaptive control are emphasized to reflect the importance of digital computers in the application of the ideas presented. The second edition is thoroughly revised to throw light on recent developments in theory and applications with new chapters on: multimodel adaptive control with switching, direct and indirect adaptive regulation and adaptive feedforward disturbance compensation. Many algorithms are newly presented in MATLAB® m-file format to facilitate their employment in real systems. Classroom-tested slides for instructors to use in teaching this material are also now provided. All of this supplementary electronic material can be downloaded from fill in URL. The core material is also up-dated and re-edited to keep its perspective in line with modern ideas and more closely to associate algorithms with their applications giving the reader a solid grounding in: synthesis and analysis of parameter adaptation algorithms, recursive plant model identification in open and closed loop, robust digital control for adaptive control; • robust parameter adaptation algorithms, practical considerations and applications, including flexible transmission systems, active vibration control and broadband disturbance rejection and a supplementary introduction on hot dip galvanizing and a phosphate drying furnace. Control researchers and applied mathematicians will find Adaptive Control of significant and enduring interest and its use of example and application will appeal to practitioners working with unknown- and variable-parameter plant. Praise for the first edition: ...well written, interesting and easy to follow, so that it constitutes a valuable addition to the monographies in adaptive control for discrete-time linear systems... suitable (at least in part) for use in graduate courses in adaptive control.
Control Strategies For Complex Systems For Use In Aerospace Avionics
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Author : J. B Cruz (Jr)
language : en
Publisher:
Release Date : 1983
Control Strategies For Complex Systems For Use In Aerospace Avionics written by J. B Cruz (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
The research program was focused on investigating new methods of analysis, synthesis, and optimization of control systems, particularly those which contain disturbance inputs, uncertain parameters, and other modeling uncertainties. The general objective was to develop new methods to improve the performance of control systems by counteracting the effects of these modeling uncertainties and disturbance inputs. The new methods can be classified into several general categories; multivariate feedback design in the frequency domain based on the comparison sensitivity matrix and robustness concepts, adaptive observers and adaptive control, multiple time-scale and singular perturbations, chained aggregation methods, and incentive controllers for hierarchical systems. (Author).