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BOOK EXCERPT:
A method for calculating orbital shadow terminator points is presented. The current method employs the use of an iterative process which is used for an accurate determination of shadow points. This calculation methodology is required, since orbital perturbation effects can introduce large errors when a spacecraft orbits a planet in a high altitude and/or highly elliptical orbit. To compensate for the required iteration methodology, all reference frame change definitions and calculations are performed with quaternions. Quaternion algebra significantly reduces the computational time required for the accurate determination of shadow terminator points.
Product Details :
Genre |
: Orbits |
Author |
: Carlos R. Ortiz Longo |
Publisher |
: |
Release |
: 1995 |
File |
: 40 Pages |
ISBN-13 |
: NASA:31769000448533 |
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BOOK EXCERPT:
A method for calculating orbital shadow terminator points is presented. The current method employs the use of an iterative process which is used for an accurate determination of shadow points. This calculation methodology is required since orbital perturbation effects can introduce large errors when a spacecraft orbits a planet in a high altitude and/or highly elliptical orbit. To compensate for the required iteration methodology, all reference frame change definitions and calculations are performed with quaternions. Quaternion algebra significantly reduces the computational time required for the accurate determination of shadow terminator points. Ortizlongo, Carlos R. and Rickman, Steven L. Johnson Space Center ...
Product Details :
Genre |
: |
Author |
: National Aeronautics and Space Administration (NASA) |
Publisher |
: Createspace Independent Publishing Platform |
Release |
: 2018-07-05 |
File |
: 36 Pages |
ISBN-13 |
: 1722368241 |
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BOOK EXCERPT:
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Product Details :
Genre |
: Aeronautics |
Author |
: |
Publisher |
: |
Release |
: 1995 |
File |
: 456 Pages |
ISBN-13 |
: MINN:30000006324606 |
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Product Details :
Genre |
: Government publications |
Author |
: |
Publisher |
: |
Release |
: 1996 |
File |
: 652 Pages |
ISBN-13 |
: OSU:32437011309925 |
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Product Details :
Genre |
: Science |
Author |
: |
Publisher |
: |
Release |
: 1995 |
File |
: 938 Pages |
ISBN-13 |
: UOM:39015053419720 |
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BOOK EXCERPT:
How do you fly an airplane from one point to another as fast as possible? What is the best way to administer a vaccine to fight the harmful effects of disease? What is the most efficient way to produce a chemical substance? This book presents practical methods for solving real optimal control problems such as these. Practical Methods for Optimal Control Using Nonlinear Programming, Third Edition focuses on the direct transcription method for optimal control. It features a summary of relevant material in constrained optimization, including nonlinear programming; discretization techniques appropriate for ordinary differential equations and differential-algebraic equations; and several examples and descriptions of computational algorithm formulations that implement this discretize-then-optimize strategy. The third edition has been thoroughly updated and includes new material on implicit Runge–Kutta discretization techniques, new chapters on partial differential equations and delay equations, and more than 70 test problems and open source FORTRAN code for all of the problems. This book will be valuable for academic and industrial research and development in optimal control theory and applications. It is appropriate as a primary or supplementary text for advanced undergraduate and graduate students.
Product Details :
Genre |
: Mathematics |
Author |
: John T. Betts |
Publisher |
: SIAM |
Release |
: 2020-07-09 |
File |
: 748 Pages |
ISBN-13 |
: 9781611976199 |
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Product Details :
Genre |
: Language Arts & Disciplines |
Author |
: Curtis Daniel MacDougall |
Publisher |
: |
Release |
: 1977 |
File |
: 520 Pages |
ISBN-13 |
: STANFORD:36105037255150 |
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Product Details :
Genre |
: |
Author |
: |
Publisher |
: |
Release |
: 1916 |
File |
: 550 Pages |
ISBN-13 |
: CORNELL:31924069709602 |
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Product Details :
Genre |
: Technology |
Author |
: |
Publisher |
: |
Release |
: 1919 |
File |
: 1232 Pages |
ISBN-13 |
: UCAL:$C208748 |
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Product Details :
Genre |
: Industrial arts |
Author |
: |
Publisher |
: |
Release |
: 1871 |
File |
: 682 Pages |
ISBN-13 |
: NYPL:33433066359146 |