Versatile Launcher Preliminary Design
Versatile Launcher Preliminary Design
Launcher design studies aim at finding the cheapest configuration able to perform a set of reference missions. The design problem is multidisciplinary, involving staging, propulsion, and trajectory optimization. It is also multiobjective because several missions must be considered simultaneously. Such problems are generally addressed by iterative methods splitting the launcher design and the trajectory optimization. An all-in-one solution method is proposed. It is based on an analytical costate guess that significantly reduces the trajectory control variables. The design and trajectory problems can thus be solved simultaneously without iterations in order to find the optimal propellant masses and engine thrust levels. Versatile launcher configurations are easily defined by considering different design options, such as booster addition or upper-stage variable loading. Model uncertainties are also accounted for in order to ensure the performance robustness at a given probability level.
Dokumentinformationen
Versatile Launcher Preliminary Design
Journal of Spacecraft and Rockets ; 56 , 2 ; 517-525
2018-09-28
9 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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