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Author : Dean K. Frederick
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.F/5 ( download)
Download or read book Piecewise-linear Switching Functions for Quasi-minimum-time Contactor Control Systems written by Dean K. Frederick and published by . This book was released on 1963 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thomas Stephenson Althouse
Publisher :
ISBN 13 :
Total Pages : 73 pages
Book Rating : 4.:/5 (227 download)
Download or read book A Piecewise-Linear Switching Function For Quasi-Minimum-Time Control written by Thomas Stephenson Althouse and published by . This book was released on 1968 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: The design of controllers to provide quasi-minimum time-response is investigated. With the control law to be realized as a piecewise-linear combination of the instantaneous state values, the problem is to select the parameters which define the best suboptimal switching surface. A worst-case response-time performance index is defined and shown to be suitable for use in the suboptimal controller design. A proposed design technique is described and used to determine controllers for second-order systems. The results of the illustrative examples are compared with controllers designed using a least squares polynomial fitting technique. The comparison shows that the proposed method designs significantly better controllers in terms of deviation from optimal response time. (Author).
Author : United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 1152 pages
Book Rating : 4.F/5 ( download)
Download or read book NASA Scientific and Technical Reports written by United States. National Aeronautics and Space Administration Scientific and Technical Information Division and published by . This book was released on 1965 with total page 1152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stanford University. Stanford Electronics Laboratories
Publisher :
ISBN 13 :
Total Pages : 110 pages
Book Rating : 4.F/5 ( download)
Download or read book Contactor Control by Adaptive Pattern-recognition Techniques written by Stanford University. Stanford Electronics Laboratories and published by . This book was released on 1964 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the research described herein is to explore the possibility of utilizing patternrecognition techniques in the design of controllers for complex dynamic processes. In this design reverse-time trajectories are used to generate patterns that indicate the position of the minimum-time optimal switching surface. Adaptive pattern-recognition techniques are used to find a readily implemented switching function that closely approximates the optimal switching surface. An adaptive threshold logic element-a trainable, linear, pattern-recognition device- is used in conjunction with other equipment to realize a trainable, nonlinear, patternrecognition device. The controller-design procedure has been simplified by the ability of the trainable function generator to generalize, i.e., to learn the switching function for all regions of the state space after being trained on patterns from only a part of the space. Conditions have been developed, which, if satisfied by the optimal switching surface, will assure that generalization will occur. (Author).
Author :
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ISBN 13 :
Total Pages : 932 pages
Book Rating : 4.:/5 (319 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1964 with total page 932 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Irmgard Flügge-Lotz
Publisher :
ISBN 13 :
Total Pages : 314 pages
Book Rating : 4.:/5 (44 download)
Download or read book Discontinuous and Optimal Control written by Irmgard Flügge-Lotz and published by . This book was released on 1968 with total page 314 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher :
ISBN 13 :
Total Pages : 1156 pages
Book Rating : 4.E/5 ( download)
Download or read book A Selected Listing of NASA Scientific and Technical Reports for ... written by United States. National Aeronautics and Space Administration. Scientific and Technical Information Division and published by . This book was released on 1964 with total page 1156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Allen Hubbs
Publisher :
ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.F/5 ( download)
Download or read book Adaptive Quasi-optimum Switching Surfaces for Contactor Control Systems written by Robert Allen Hubbs and published by . This book was released on 1962 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.F/5 ( download)
Download or read book Servomechanisms: Bulletin of Automatic and Manual Control Abstracts written by and published by . This book was released on 1966 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bernard Burton Gragg (Jr.)
Publisher :
ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.F/5 ( download)
Download or read book The Computation of Approximately Optimal Control written by Bernard Burton Gragg (Jr.) and published by . This book was released on 1963 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 1156 pages
Book Rating : 4.3/5 (91 download)
Download or read book NASA SP. written by and published by . This book was released on 1965 with total page 1156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 378 pages
Book Rating : 4.X/5 (2 download)
Download or read book Servomechanisms written by and published by . This book was released on 1966 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ronald E. Foerster
Publisher :
ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.F/5 ( download)
Download or read book Neighboring Optimal Feedback Control of Multi-input Nonlinear Dynamical Systems Using Discontinuous Control written by Ronald E. Foerster and published by . This book was released on 1970 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1150 pages
Book Rating : 4.3/5 (91 download)
Download or read book Preprints of Technical Papers written by and published by . This book was released on 1968 with total page 1150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roy Henry Redderson
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (639 download)
Download or read book Piecewise-Linear Switching Surfaces for Minimum Time Control written by Roy Henry Redderson and published by . This book was released on 1966 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: Procedures for designing piecewise-linear (PWL) switching surfaces for minimum time control are investigated. The approach is to generate the switching function using the instantaneous values of the states as inputs to easily realized PWL function generators. The design problem is then one of fitting the state space PWL surface to points defining the optimal surface. Several performance indices related to minimum-time are defined and the resulting parameter surfaces for different initial condition distributions are studied. However, because of local minima, a successful search procedure could not be found. Therefore, a heuristic method of least squares fitting is used. A combination gradient and generalized Newton-Raphson search method is employed to obtain values for the PWL parameters. Several least squares fit methods are applied to a second order problem and the results compared using response time performance to a uniform grid of initial conditions. Very close to optimal performance is achieved using a delay time design procedure. (Author).
Author :
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ISBN 13 :
Total Pages : 654 pages
Book Rating : 4.F/5 ( download)
Download or read book Index Aeronauticus written by and published by . This book was released on 1966 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 1366 pages
Book Rating : 4.3/5 (91 download)
Download or read book Dissertation Abstracts written by and published by . This book was released on 1964-09 with total page 1366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
