High Performance Robust Control Of Flexible Space Structures Msfc Center Directors Discretionary Fund PDF Download
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Author | : |
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Total Pages | : 104 |
Release | : 1998 |
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Download High Performance, Robust Control of Flexible Space Structures: MSFC Center Director's Discretionary Fund Book in PDF, ePub and Kindle
Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 100 |
Release | : 2018-07-08 |
Genre | : |
ISBN | : 9781722431853 |
Download High Performance, Robust Control of Flexible Space Structures Book in PDF, ePub and Kindle
Many spacecraft systems have ambitious objectives that place stringent requirements on control systems. Achievable performance is often limited because of difficulty of obtaining accurate models for flexible space structures. To achieve sufficiently high performance to accomplish mission objectives may require the ability to refine the control design model based on closed-loop test data and tune the controller based on the refined model. A control system design procedure is developed based on mixed H2/H(infinity) optimization to synthesize a set of controllers explicitly trading between nominal performance and robust stability. A homotopy algorithm is presented which generates a trajectory of gains that may be implemented to determine maximum achievable performance for a given model error bound. Examples show that a better balance between robustness and performance is obtained using the mixed H2/H(infinity) design method than either H2 or mu-synthesis control design. A second contribution is a new procedure for closed-loop system identification which refines parameters of a control design model in a canonical realization. Examples demonstrate convergence of the parameter estimation and improved performance realized by using the refined model for controller redesign. These developments result in an effective mechanism for achieving high-performance control of flexible space structures. Whorton, M. S. Marshall Space Flight Center...
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Total Pages | : 26 |
Release | : 1998 |
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Download Damping Mechanisms for Microgravity Vibration Isolation (MSFC Center Director's Discretionary Fund Final Report, Project No. 94-07) Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 564 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
Download Scientific and Technical Aerospace Reports Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 80 |
Release | : 1999 |
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Download FY 1998 Scientific and Technical Reports, Articles, Papers, and Presentations Book in PDF, ePub and Kindle
Author | : Nassim M. Arbouz |
Publisher | : |
Total Pages | : 186 |
Release | : 1989 |
Genre | : Automatic control |
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Download Robust Control of Flexible Structures Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 1082 |
Release | : 199? |
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Download Government reports annual index Book in PDF, ePub and Kindle
Author | : Nasa |
Publisher | : |
Total Pages | : 486 |
Release | : 2018-03-21 |
Genre | : Science |
ISBN | : 9781680920505 |
Download NASA Space Flight Program and Project Management Handbook Book in PDF, ePub and Kindle
This book is in full-color - other editions may be in grayscale (non-color). The hardback version is ISBN 9781680920512 and the paperback version is ISBN 9781680920505. The NASA Space Flight Program and Project Management Handbook (NASA/SP-2014-3705) is the companion document to NPR 7120.5E and represents the accumulation of knowledge NASA gleaned on managing program and projects coming out of NASA's human, robotic, and scientific missions of the last decade. At the end of the historic Shuttle program, the United States entered a new era that includes commercial missions to low-earth orbit as well as new multi-national exploration missions deeper into space. This handbook is a codification of the "corporate knowledge" for existing and future NASA space flight programs and projects. These practices have evolved as a function of NASA's core values on safety, integrity, team work, and excellence, and may also prove a resource for other agencies, the private sector, and academia. The knowledge gained from the victories and defeats of that era, including the checks and balances and initiatives to better control cost and risk, provides a foundation to launch us into an exciting and healthy space program of the future.
Author | : J. C. Blair |
Publisher | : |
Total Pages | : 264 |
Release | : 2001 |
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Download Launch Vehicle Design Process: Characterization, Technical Integration, and Lessons Learned Book in PDF, ePub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 151 |
Release | : 1997-08-02 |
Genre | : Science |
ISBN | : 0309057442 |
Download Advanced Technology for Human Support in Space Book in PDF, ePub and Kindle
Advanced Technology for Human Support in Space was written in response to a request from NASA's Office of Life and Microgravity Sciences and Applications (OLMSA) to evaluate its Advanced Human Support Technology Program. This report reviews the four major areas of the program: advanced life support (ALS), environmental monitoring and control (EMC), extravehicular activities (EVA), and space human factors (SHF). The focus of this program is on long-term technology development applicable to future human long-duration space missions, such as for a hypothetical new mission to the Moon or Mars.