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37 results on '"Dribusch, Christoph"'

4. Reliability-based design optimization of nonlinear aeroelasticity problems

Author

Missoum, Samy, Dribusch, Christoph, and Beran, Philip

Subjects
Mathematical optimization, Aerospace and defense industries, Business, Science and technology
Abstract

This paper introduces a methodology for the reliability-based design optimization of systems with nonlinear aeroelastic constraints. The approach is based on the construction of explicit flutter and subcritical limit cycle oscillation boundaries in terms of deterministic and random design variables. The boundaries are constructed using a support vector machine that provides a way to efficiently evaluate probabilities of failure and solve the reliability-based design optimization problem. Another major advantage of the approach is that it efficiently manages the discontinuities that might appear during subcritical limit cycle oscillations. The proposed approach is applied to the construction of flutter and subcritical limit cycle oscillation boundaries for a two-degree-of-freedom airfoil with nonlinear stiffnesses. The solution of a reliability-based design optimization problem with a constraint on the probability of subcritical limit cycle oscillation is also provided. DOI: 10.2514/1.46665

Published
2010

7. Design of the fast steering secondary mirror assembly for the Giant Magellan Telescope

Author

Cho, Myung K., primary, Dribusch, Christoph, primary, Moon, Il-Kwon, primary, Jun, Youra, primary, Ryu, Jieun, primary, Poczulp, Gary, primary, Liang, Ming, primary, Lee, Sungho, primary, Han, Jeong-Yeol, primary, Kim, Sanghyuk, primary, Jeong, Ueejeong, primary, Kim, Chang-Hee, primary, Park, Chan, primary, Park, Byeong-Gon, primary, Lee, Wongi, primary, Kim, Ho-Sang, primary, Gardner, Paul, primary, Chiquito, Hugo, primary, Moon, Bongkon, primary, Kim, Yunjong, primary, Lee, Chan-Hee, primary, Bernier, Robert, primary, and Groark, Frank, primary

Published
2018
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8. Control modeling of the fast-steering secondary mirror for GMT

Author

Dribusch, Christoph, primary, Cho, Myung Kyu, primary, Ryu, Jieun, primary, Poczulp, Gary, primary, Liang, Ming, primary, Kim, Yunjong, primary, Kim, Sanghyuk, primary, Han, Jeong-Yeol, primary, Jeong, Ueejeong, primary, Kim, Chang-Hee, primary, Lee, Sungho, primary, Moon, Bong-Kon, primary, Park, Chan, primary, Park, Byeong-Gon, primary, Moon, Il-Kwon, primary, Lee, Chan-Hee, primary, Lee, Won Gi, primary, Kim, Ho-Sang, primary, Gardner, Paul, primary, Bernier, Robert, primary, Groark, Frank, primary, Chiquito, Hugo, primary, and Jun, Youra, primary

Published
2018
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9. Experimental study of breakaway system for the fast-steering secondary mirror prototype of GMT

Author

Lee, Won Gi, primary, Kim, Sanghyuk, primary, Han, Jeong-Yeol, primary, Jeong, Ueejeong, primary, Kim, Chang-Hee, primary, Lee, Sungho, primary, Moon, Bong-Kon, primary, Park, Chan, primary, Park, Byeong-Gon, primary, Cho, Myung K., primary, Dribusch, Christoph, primary, Jun, Youra, primary, Ryu, Jieun, primary, Poczulp, Gary, primary, Liang, Ming, primary, Moon, Il-Kwon, primary, Lee, Chan-Hee, primary, Kim, Ho-Sang, primary, Gardner, Paul, primary, Bernier, Robert, primary, Groark, Frank, primary, Chiquito, Hugo, primary, and Kim, Yunjong, primary

Published
2018
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10. Development status of the fast-steering secondary mirror of GMT

Author

Lee, Sungho, primary, Jeong, Ueejeong, primary, Kim, Sanghyuk, primary, Moon, Bong-Kon, primary, Kim, Chang-Hee, primary, Kim, Yunjong, primary, Park, Chan, primary, Park, Byeong-Gon, primary, Cho, Myung K., primary, Dribusch, Christoph, primary, Jun, Youra, primary, Ryu, Jieun, primary, Poczulp, Gary, primary, Liang, Ming, primary, Moon, Il Kwon, primary, Lee, Chan-Hee, primary, Lee, Won Gi, primary, Kim, Ho-Sang, primary, Gardner, Paul, primary, Bernier, Robert J., primary, Groark, Frank, primary, Chiquito, Hugo, primary, and Han, Jeong-Yeol, primary

Published
2018
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11. LSST M1M3 active mirror support system optimized to accommodate rapid telescope motions

Author

Daruich, Felipe, primary, Neill, Douglas, primary, Warner, Michael, primary, Hileman, Edward, primary, Cho, Myung, primary, Dribusch, Christoph, primary, Araujo, Constanza, primary, Booth, Michael, primary, Contaxis, Christopher, primary, Harris, Ron, primary, Johnson, Brian, primary, Knight, Garry, primary, Mills, Neill, primary, Muller, Gary, primary, Stover, Edward, primary, Wiecha, Oliver, primary, and Xin, Bo, primary

Published
2018
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12. Preliminary AIT plan for the FSM segments of GMT

Author

Han, Jeong-Yeol, primary, Lee, Sungho, primary, Kim, Sanghyuk, primary, Kim, Yunjong, primary, Jeong, Ueejeong, primary, Cho, Myung K., primary, Dribusch, Christoph, primary, Moon, Bong-Kon, primary, Kim, Chang-Hee, primary, Park, Chan, primary, Park, Byeong-Gon, primary, Jun, Youra, primary, Ryu, Jieun, primary, Poczulp, Gary, primary, Liang, Ming, primary, Moon, Il-Kwon, primary, Lee, Chan-Hee, primary, Lee, Won Gi, primary, Kim, Ho-Sang, primary, Gardner, Paul, primary, Bernier, Robert J., primary, Groark, Frank, primary, and Chiquito, Hugo, primary

Published
2018
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15. Control Modeling of the Fast-Steering Secondary Mirror of GMT.

Author

Dribusch, Christoph, Cho, Myung K., Jun, Youra, Jieun Ryu, Poczulp, Gary, Ming Liang, Sungho Lee, Jeong-Yeol Han, Ueejeong Jeong, Sanghyuk Kim, Bong-Kon Moon, Chang-Hee Kim, Yunjong Kim, Chan Park, Byeong-Gon Park, Il-Kwon Moon, Chanhee Lee, Wongi Lee, Ho-Sang Kim, and Gardner, Paul

Published
2018

16. Development status of the Fast-steering Secondary Mirror of GMT.

Author

Sungho Lee, Jeong-Yeol Han, Ueejeong Jeong, Sanghyuk Kim, Bong-Kon Moon, Chang-Hee Kim, Yunjong Kim, Chan Park, Byeong-Gon Park, Cho, Myung K., Dribusch, Christoph, Jun, Youra, Jieun Ryu, Poczulp, Gary, Ming Liang, Il Kweon Moon, Chanhee Lee, Wongi Lee, Ho-Sang Kim, and Gardner, Paul

Published
2018
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18. Preliminary AIT plan for the FSM segments of GMT.

Author

Han, Jeong-Yeol, Sungho Lee, Sanghyuk Kim, Yunjong Kim, Ueejeong Jeong, Myung K. Cho, Dribusch, Christoph, Moon, Bong-Kon, Chang-Hee Kim, Chan Park, Byeong-Gon Park, Youra Jun, Jieun Ryu, Poczulp, Gary, Ming Liang, Moon, Il-Kwon, Chanhee Lee, Wongi Lee, Ho-Sang Kim, and Gardner, Paul

Published
2018
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19. Development of the fast steering secondary mirror assembly of GMT

Author

Lee, Sungho, additional, Cho, Myung K., additional, Park, Chan, additional, Han, Jeong-Yeol, additional, Jeong, Ueejeong, additional, Yoon, Yang-noh, additional, Song, Je Heon, additional, Park, Byeong-Gon, additional, Dribusch, Christoph, additional, Park, Won Hyun, additional, Jun, Youra, additional, Yang, Ho-Soon, additional, Moon, Il-Kwon, additional, Oh, Chang Jin, additional, Kim, Ho-Sang, additional, Lee, Kyoung-Don, additional, Bernier, Robert, additional, Alongi, Chris, additional, Rakich, Andrew, additional, Gardner, Paul, additional, Dettmann, Lee, additional, and Rosenthal, Wylie, additional

Published
2016
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20. Experimental study of breakaway system for the fast-steering secondary mirror prototype of GMT

Author

Navarro, Ramón, Geyl, Roland, Kim, Yunjong, Lee, Wongi, Lee, Chanhee, Cho, Myung K., Dribusch, Christoph, Lee, Sungho, Kim, Sanghyuk, Kim, Chang-Hee, Jeong, Ueejeong, Han, Jeong-Yeol, Moon, Bong-Kon, Park, Chan, Park, Byeong-Gon, Jun, Youra, Ryu, Jieun, Poczulp, Gary, Liang, Ming, Moon, Il-Kwon, Kim, Ho-Sang, Gardner, Paul, Bernier, Robert, Groark, Frank, and Chiquito, Hugo

Published
2018
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22. Control modeling of the fast-steering secondary mirror for GMT

Author

Angeli, George Z., Dierickx, Philippe, Dribusch, Christoph, Cho, Myung K., Jun, Youra, Ryu, Jieun, Poczulp, Gary, Liang, Ming, Lee, Sungho, Han, Jeong-Yeol, Jeong, Ueejeong, Kim, Sanghyuk, Moon, Bong-Kon, Kim, Chang-Hee, Kim, Yunjong, Park, Chan, Park, Byeong-Gon, Moon, Il-Kwon, Lee, Chanhee, Lee, Wongi, Kim, Ho-Sang, Gardner, Paul, Bernier, Robert, Groark, Frank, and Chiquito, Hugo

Published
2018
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24. Preliminary AIT plan for the FSM segments of GMT

Author

Marshall, Heather K., Spyromilio, Jason, Han, Jeong-Yeol, Lee, Sungho, Kim, Sanghyuk, Kim, Yunjong, Jeong, Ueejeong, Cho, Myung K., Dribusch, Christoph, Moon, Bong-Kon, Kim, Chang-Hee, Park, Chan, Park, Byeong-Gon, Jun, Youra, Ryu, Jieun, Poczulp, Gary, Liang, Ming, Moon, Il-Kwon, Lee, Chanhee, Lee, Wongi, Kim, Ho-Sang, Gardner, Paul, Bernier, Robert, Groark, Frank, and Chiquito, Hugo

Published
2018
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34. Design of the fast steering secondary mirror assembly for the Giant Magellan Telescope

Author

Navarro, Ramón, Geyl, Roland, Cho, Myung, Jun, Youra, Dribusch, Christoph, Ryu, Jieun, Poczulp, Gary, Liang, Ming, Lee, Sungho, Han, Jeong-Yeol, Jeong, Ueejeong, Kim, Sanghyuk, Moon, Bongkon, Kim, Chang-Hee, Kim, Yunjong, Park, Chan, Park, Byeong-Gon, Moon, Il-Kwon, Lee, Chan-Hee, Lee, Wongi, Kim, Ho-Sang, Gardner, Paul, Bernier, Robert, Groark, Frank, and Chiquito, Hugo

Published
2018
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35. Development status of the fast-steering secondary mirror of GMT

Author

Marshall, Heather K., Spyromilio, Jason, Lee, Sungho, Han, Jeong-Yeol, Jeong, Ueejeong, Kim, Sanghyuk, Moon, Bong-Kon, Kim, Chang-Hee, Kim, Yunjong, Park, Chan, Park, Byeong-Gon, Cho, Myung K., Dribusch, Christoph, Jun, Youra, Ryu, Jieun, Poczulp, Gary, Liang, Ming, Moon, Il Kweon, Lee, Chanhee, Lee, Wongi, Kim, Ho-Sang, Gardner, Paul, Bernier, Robert, Groark, Frank, and Chiquito, Hugo

Published
2018
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36. Development of the fast steering secondary mirror assembly of GMT

Author

Navarro, Ramón, Burge, James H., Lee, Sungho, Cho, Myung K., Park, Chan, Han, Jeong-Yeol, Jeong, Ueejeong, Yoon, Yang-noh, Song, Je Heon, Park, Byeong-Gon, Dribusch, Christoph, Park, Won Hyun, Jun, Youra, Yang, Ho-Soon, Moon, Il-Kwon, Oh, Chang Jin, Kim, Ho-Sang, Lee, Kyoung-Don, Bernier, Robert, Alongi, Chris, Rakich, Andrew, Gardner, Paul, Dettmann, Lee, and Rosenthal, Wylie

Published
2016
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37. Design and development of a fast-steering secondary mirror for the Giant Magellan Telescope

Author

Cho, Myung, Corredor, Andrew, Dribusch, Christoph, Park, Kwijong, Kim, Young-Soo, and Moon, Il-Kweon

Abstract

The Giant Magellan Telescope (GMT) will be a 25m class telescope which is one of the extremely large telescope projects in the design and development phase. The GMT will have two Gregorian secondary mirrors, an adaptive secondary mirror (ASM) and a fast-steering secondary mirror (FSM). Both secondary mirrors are 3.2 m in diameter and built as seven 1.1 m diameter circular segments conjugated 1:1 to the seven 8.4m segments of the primary. The FSM has a tip-tilt feature to compensate image motions from the telescope structure jitters and the wind buffeting. The support system of the lightweight mirror consists of three axial actuators, one lateral support at the center, and a vacuum system. A parametric study and optimization of the FSM mirror blank and central lateral flexure design were performed. This paper reports the results of the trade study. The optical image qualities and structure functions for the axial and lateral gravity print-through cases, thermal gradient effects, and dynamic performances will be discussed for the case of a lightweighted segment with a center thickness of 140 mm weighing approximately 105 kg.

Published
2011
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