Download or read book Requirements and Development of an Acceleration Measurement System for International Space Station Microgravity Science Payloads written by Thomas J. Sutliff and published by . This book was released on 1997 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book An Acceleration Measurement Capability on International Space Station Supporting Microgravity Science Payloads written by Thomas J. Sutliff and published by . This book was released on 1997 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book AN ACCELERATION MEASUREMENT CAPABILITY ON INTERNATIONAL SPACE STATION SUPPORTING MICROGRAVITY SCIENCE PAYLOADS NASA TM 107415 APR 25 written by and published by . This book was released on 1998* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Requirements and Development of an Acceleration Measurement System for International Space Station Microgravity Science Payloads written by and published by . This book was released on 1997 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Space Acceleration Measurement System II Microgravity Instrumentation for the International Space Station Research Community written by and published by . This book was released on 1999 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The International Space Station Microgravity Acceleration Measurement System written by James C. Fox and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Microgravity News written by and published by . This book was released on 1994 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Optimal Control Design Using an H2 Method for the Glovebox Integrated Microgravity Isolation Technology G Limit written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-03 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The acceleration environment on the International Space Station (ISS) will likely exceed the requirements of many micro-gravity experiments. The Glovebox Integrated Microgravity Isolation Technology (g-LIMIT) is being built by the NASA Marshall Space Flight Center to attenuate the nominal acceleration environment and provide some isolation for micro-gravity science experiments. G-LIMIT uses Lorentz (voice-coil) magnetic actuators to isolate a platform for mounting science payloads from the nominal acceleration environment. The system utilizes payload acceleration, relative position, and relative orientation measurements in a feedback controller to accomplish the vibration isolation task. The controller provides current command to six magnetic actuators, producing the required experiment isolation from the ISS acceleration environment. This paper presents the development of a candidate control law to meet the acceleration attenuation requirements for the g-LIMIT experiment platform. The controller design is developed using linear optimal control techniques for both frequency-weighted H(sub 2) and H(sub infinity) norms. Comparison of the performance and robustness to plant uncertainty for these two optimal control design approaches are included in the discussion.Calhoun, Phillip C. and Hampton, R. David and Whorton, Mark S.Langley Research Center; Marshall Space Flight CenterCONTROL SYSTEMS DESIGN; VIBRATION ISOLATORS; OPTIMAL CONTROL; ISOLATION; ROBUSTNESS (MATHEMATICS); PAYLOADS; NORMS; MOUNTING; MICROGRAVITY; INTERNATIONAL SPACE STATION; ACTUATORS

Download or read book Recapturing a Future for Space Exploration written by National Research Council and published by National Academies Press. This book was released on 2012-01-30 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt: More than four decades have passed since a human first set foot on the Moon. Great strides have been made in our understanding of what is required to support an enduring human presence in space, as evidenced by progressively more advanced orbiting human outposts, culminating in the current International Space Station (ISS). However, of the more than 500 humans who have so far ventured into space, most have gone only as far as near-Earth orbit, and none have traveled beyond the orbit of the Moon. Achieving humans' further progress into the solar system had proved far more difficult than imagined in the heady days of the Apollo missions, but the potential rewards remain substantial. During its more than 50-year history, NASA's success in human space exploration has depended on the agency's ability to effectively address a wide range of biomedical, engineering, physical science, and related obstacles-an achievement made possible by NASA's strong and productive commitments to life and physical sciences research for human space exploration, and by its use of human space exploration infrastructures for scientific discovery. The Committee for the Decadal Survey of Biological and Physical Sciences acknowledges the many achievements of NASA, which are all the more remarkable given budgetary challenges and changing directions within the agency. In the past decade, however, a consequence of those challenges has been a life and physical sciences research program that was dramatically reduced in both scale and scope, with the result that the agency is poorly positioned to take full advantage of the scientific opportunities offered by the now fully equipped and staffed ISS laboratory, or to effectively pursue the scientific research needed to support the development of advanced human exploration capabilities. Although its review has left it deeply concerned about the current state of NASA's life and physical sciences research, the Committee for the Decadal Survey on Biological and Physical Sciences in Space is nevertheless convinced that a focused science and engineering program can achieve successes that will bring the space community, the U.S. public, and policymakers to an understanding that we are ready for the next significant phase of human space exploration. The goal of this report is to lay out steps and develop a forward-looking portfolio of research that will provide the basis for recapturing the excitement and value of human spaceflight-thereby enabling the U.S. space program to deliver on new exploration initiatives that serve the nation, excite the public, and place the United States again at the forefront of space exploration for the global good.

Download or read book Compendium of Information for Interpreting the Microgravity Environment of the Orbiter Spacecraft written by Richard DeLombard and published by . This book was released on 1996 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Frequency Weighted H2 Control Design for the Glovebox Integrated Microgravity Isolation Technology G Limit written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-21 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The acceleration environment on the International Space Station (ISS) exceeds the requirements of many microgravity experiments. The Glovebox Integrated Microgravity Isolation Technology (g-LIMIT) has been built by the NASA Marshall Space Flight Center to attenuate the nominal acceleration environment and provide some isolation for microgravity science experiments. The g-LIMIT uses Lorentz (voice-coil) magnetic actuators to isolate a platform, for mounting science payloads, from the nominal acceleration environment. The system utilizes payload-acceleration, relative-position, and relative-orientation measurements in a feedback controller to accomplish the vibration isolation task. The controller provides current commands to six magnetic actuators, producing the required experiment isolation from the ISS acceleration environment. The present work documents the development of a candidate control law to meet the acceleration attenuation requirements for the g-LIMIT experiment platform. The controller design is developed using linear optimal control techniques for frequency-weighted H2 norms. Comparison of performance and robustness to plant uncertainty for this control design approach is included in the discussion. System performance is demonstrated in the presence of plant modeling error. Calhoun, Philip C. and Hampton, R. David Langley Research Center NASA/TM-2004-213502, L-19057

Download or read book Monitoring the Microgravity Environment Quality On Board the International Space Station Using Soft Computing Techniques written by and published by . This book was released on 2001 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Large Space Structures Systems in the Space Station Era written by and published by . This book was released on 1991 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Research Technology 1999 written by and published by DIANE Publishing. This book was released on with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book 17th International Microgravity Measurements Group Meeting written by and published by . This book was released on 1998 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book NASA Microgravity Research Program written by and published by . This book was released on 1999 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Space Technology and Applications International Forum 2000 written by Mohamed S. El-Genk and published by American Institute of Physics. This book was released on 2000-01-27 with total page 770 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.