Multi-objective suborbit/orbit trajectory optimisation for spaceplanes
Artikel i vetenskaplig tidskrift, 2020

In this paper, a suborbit to orbit mission profile is analysed for spaceplanes. The proposed mission profile for spaceplanes is currently being considered for multiple earth observation missions and is considered as an extension of the skip re-entry problem which is a highly coupled and nonlinear problem. To solve the problem, we utilise both the Fuzzy Satisfactory Goal Programming (FSGP) method and the Radau Pseudospectral Method (RPM) as the problem includes more than two objective functions conflicting with each other, and needs to be optimised with pre-emptive priorities. A realistic spaceplane model is used with equality and inequality constraints, to demonstrate the feasibility of suborbit-orbit-suborbit manoeuvres through numerical simulations. The simulation results generated by the proposed methodology show that significant propellant savings can be made using multi-objective trajectory optimisation for spaceplanes for future theatre observation missions.

Multi-objective optimisation


Re-entry trajectory

Trajectory optimisation

Re-exit trajectory


Sangjun Bae

Chalmers, Elektroteknik, System- och reglerteknik

Cranfield University

Hyo Sang Shin

Cranfield University

Al Savvaris

Cranfield University

Lappas Vaios

Panepistimion Patron

Antonios Tsourdos

Cranfield University

Acta Astronautica

0094-5765 (ISSN)

Vol. 170 431-442


Rymd- och flygteknik


Robotteknik och automation



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