17th International Microgravity Measurements Group Meeting PDF Download
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Languages : en
Pages : 366
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Author:
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ISBN:
Category :
Languages : en
Pages : 366
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 704
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 974
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Author:
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Category : Aeronautics
Languages : en
Pages : 710
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Author: Mohamed S. El-Genk
Publisher: American Institute of Physics
ISBN: 9781563969195
Category : Science
Languages : en
Pages : 770
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Book Description
The proceedings document the opportunities for space science onboard the international space station (ISS), currently under construction by an international consortium. These proceedings include the latest on the construction of and payload operations on the ISS; human physiology in space; fundamental physics; engineering research and technology development; thermal control technologies for future spacecraft; propulsion technology for interstellar precursor missions; breakthrough propulsion physics; next generation commercial/civil space transportation and reusable launch systems technology; spaceport development; potential manned and unmanned space missions; and advances in energy conversion technologies. STAIF-2000 is co-sponsored by NASA Headquarters and Field Centers, DOE, and The Boeing Company, in cooperation with major professional societies. Government aerospace industry and universities exhibit and present papers.
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Category : Aerospace engineering
Languages : en
Pages : 770
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Category : Aeronautics
Languages : en
Pages : 628
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Author: Society of Automotive Engineers
Publisher:
ISBN:
Category : Technical literature
Languages : en
Pages : 520
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781721021659
Category :
Languages : en
Pages : 38
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Vibration acceleration levels on large space platforms exceed the requirements of many space experiments. The Microgravity Vibration Isolation Mount (MIM) was built by the Canadian Space Agency to attenuate these disturbances to acceptable levels, and has been operational on the Russian Space Station Mir since May 1996. It has demonstrated good isolation performance and has supported several materials science experiments. The MIM uses Lorentz (voice-coil) magnetic actuators to levitate and isolate payloads at the individual experiment/sub-experiment (versus rack) level. Payload acceleration, relative position, and relative orientation (Euler-parameter) measurements are fed to a state-space controller. The controller, in turn, determines the actuator currents needed for effective experiment isolation. This paper presents the development of an algebraic, state-space model of the MIM, in a form suitable for optimal controller design. The equations are first derived using Newton's Second Law directly; then a second derivation (i.e., validation) of the same equations is provided, using Kane's approach.Hampton, R. David and Tryggvason, Bjarni V. and DeCarufel, Jean and Townsend, Miles A. and Wagar, William O.Glenn Research CenterVIBRATION ISOLATORS; MATHEMATICAL MODELS; VIBRATION DAMPING; STRUCTURAL DESIGN; CONTROLLERS; STRUCTURAL VIBRATION; SPACECRAFT COMPONENTS; SPACEBORNE EXPERIMENTS; MICROGRAVITY; SPACE STATIONS; ACTUATORS; SUSPENSION SYSTEMS (VEHICLES); FEEDBACK CONTROL; SPACECRAFT EQUIPMENT
Author: National Aeronautics and Space Adm Nasa
Publisher: Independently Published
ISBN: 9781726811477
Category : Science
Languages : en
Pages : 26
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Book Description
Vibration acceleration levels on large space platforms exceed the requirements of many space experiments. The Microgravity Vibration Isolation Mount (MIM) was built by the Canadian Space Agency to attenuate these disturbances to acceptable levels, and has been operational on the Russian Space Station Mir since May 1996. It has demonstrated good isolation performance and has supported several materials science experiments. The MIM uses Lorentz (voice-coil) magnetic actuators to levitate and isolate payloads at the individual experiment/sub-experiment (versus rack) level. Payload acceleration, relative position, and relative orientation (Euler-parameter) measurements are fed to a state-space controller. The controller, in turn, determines the actuator currents needed for effective experiment isolation. This paper presents the development of an algebraic, state-space model of the MIM, in a form suitable for optimal controller design. Hampton, R. David and Tryggvason, Bjarni V. and DeCarufel, Jean and Townsend, Miles A. and Wagar, William O. Glenn Research Center RTOP 963-60-0C
