Trajectory Optimization of a Launch Vehicle with Explicit Instantaneous Impact Point Constraints for Various Range Safety Requirements
Publication: Journal of Aerospace Engineering
Volume 29, Issue 3
Abstract
This paper proposes a new trajectory optimization approach that can directly handle the range safety for launch operations. An analytic solution for an instantaneous impact point (IIP) of a vehicle is introduced and used to describe the constraints of the optimization problem in an explicit way. A quadratic formula that can address various types of range safety requirements is proposed. Based on the aforementioned elements, the launch trajectory optimization problem with explicit IIP constraints is mathematically defined. The validity of the proposed trajectory optimization is demonstrated through two case studies using realistic launch vehicle data and range safety issues.
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Acknowledgments
This work was prepared at the Korea Advanced Institute of Science and Technology (KAIST), Department of Aerospace Engineering, under a research grant from the National Research Foundation of Korea (NRF-2013M1A3A3A02042461). The authors thank the National Research Foundation of Korea for the support of this work.
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© 2015 American Society of Civil Engineers.
History
Received: May 4, 2015
Accepted: Aug 25, 2015
Published online: Oct 12, 2015
Discussion open until: Mar 12, 2016
Published in print: May 1, 2016
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