A Treetops Simulation Of The Stable Microgravity Vibration Isolation System Nasa Tm 1999 209009 Mar 26 1999
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A Treetops Simulation Of The Stable Microgravity Vibration Isolation System Nasa Tm 1999 209009 Mar 26 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
A Treetops Simulation Of The Stable Microgravity Vibration Isolation System Nasa Tm 1999 209009 Mar 26 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
The Microgravity Isolation Mount A Linearized State Space Model A La Newton And Kane Nasa Tm 1999 208906 Mar 26 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
The Microgravity Isolation Mount A Linearized State Space Model A La Newton And Kane Nasa Tm 1999 208906 Mar 26 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.
Damping Mechanisms For Microgravity Vibration Isolation Msfc Center Director S Discretionary Final Report Nasa Tm 1998 206935 Apr 7 1998
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1998*
Damping Mechanisms For Microgravity Vibration Isolation Msfc Center Director S Discretionary Final Report Nasa Tm 1998 206935 Apr 7 1998 written by United States. National Aeronautics and Space Administration 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.
Equations Of Motion For The G Limit Microgravity Vibration Isolation System Nasa Tm 2001 211301 Dec 6 2001
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Author :
language : en
Publisher:
Release Date : 2002
Equations Of Motion For The G Limit Microgravity Vibration Isolation System Nasa Tm 2001 211301 Dec 6 2001 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.
Microgravity Vibration Isolation Optimal Preview And Feedback Control
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Author : Roy David Hampton
language : en
Publisher:
Release Date : 1992
Microgravity Vibration Isolation Optimal Preview And Feedback Control written by Roy David Hampton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Reduced gravity environments categories.
A New Approach To Active Vibration Isolation For Microgravity Space Experiments
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Author : Alok Sinha
language : en
Publisher:
Release Date : 1990
A New Approach To Active Vibration Isolation For Microgravity Space Experiments written by Alok Sinha and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Reduced gravity experiments categories.
A New Approach To Active Vibration Isolation For Microgravity Space Experiments
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-08-09
A New Approach To Active Vibration Isolation For Microgravity Space Experiments written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-09 with categories.
A new method was developed to design an active vibration isolation system for microgravity space experiments. This method yields the required controller transfer functions for a specified transmissibility ratio. Hence, it is a straightforward task to guarantee that the desired vibration isolation performance is achieved at each frequency. The theory for such a controller design was presented by considering a single degree of freedom system. In addition, the magnitude of the input required by the new method has been found to be less than that used by a standard phase lead/lag compensator. Sinha, Alok and Kao, Chikuan K. and Grodsinsky, Carlos M. Glenn Research Center NASA-TM-102470, E-5257, NAS 1.15:102470 NAG3-949; RTOP 694-03-03...
Microgravity Isolation System Design
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher:
Release Date : 2018-10-21
Microgravity Isolation System Design written by National Aeronautics and Space Adm Nasa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-21 with categories.
Many acceleration-sensitive, microgravity science experiments will require active vibration isolation from the manned orbiters on which they will be mounted. The isolation problem, especially in the case of a tethered payload, is a complex three-dimensional one that is best suited to modern-control design methods. These methods, although more powerful than their classical counterparts, can nonetheless go only so far in meeting the design requirements for practical systems. Once a tentative controller design is available, it must still be evaluated to determine whether or not it is fully acceptable, and to compare it with other possible design candidates. Realistically, such evaluation will be an inherent part of a necessary iterative design process. In this paper, an approach is presented for applying complex mu-analysis methods to a closed-loop vibration isolation system (experiment plus controller). An analysis framework is presented for evaluating nominal stability, nominal performance, robust stability, and robust performance of active microgravity isolation systems, with emphasis on the effective use of mu-analysis methods. Hampton, R. D. and Knospe, C. R. and Allaire, P. E. and Grodsinsky, C. M. Glenn Research Center NCC3-365; RTOP 963-70-OH...
Microgravity Isolation System Design
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-05
Microgravity Isolation System Design written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-05 with categories.
Many acceleration-sensitive, microgravity science experiments will require active vibration isolation from manned orbiters on which they will be mounted. The isolation problem, especially in the case of a tethered payload, is a complex three-dimensional one that is best suited to modern-control design methods. In this paper, extended H(sub 2) synthesis is used to design an active isolator (i.e., controller) for a realistic single-input-multiple-output (SIMO) microgravity vibration isolation problem. Complex mu-analysis methods are used to analyze the isolation system with respect to sensor, actuator, and umbilical uncertainties. The paper fully discusses the design process employed and the insights gained. This design case study provides a practical approach for isolation problems of greater complexity. Issues addressed include a physically intuitive state-space description of the system, disturbance and noise filters, filters for frequency weighting, and uncertainty models. The controlled system satisfies all the performance specifications and is robust with respect to model uncertainties. Hampton, R. D. and Knospe, C. R. and Allaire, P. E. and Grodsinsky, C. M. Glenn Research Center NCC3-365; RTOP 963-70-OH...
Experiment To Experiment Disturbance Of Microgravity Environment Nasa Tm 1998 208847 Mar 1 1999
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Author : United States. National Aeronautics and Space Administration
language : en
Publisher:
Release Date : 1999*
Experiment To Experiment Disturbance Of Microgravity Environment Nasa Tm 1998 208847 Mar 1 1999 written by United States. National Aeronautics and Space Administration and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999* with categories.