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The development of eﬀective load relief strategies is key to the improvement of launcher ﬂight performance as it enables a joint increase of wind resilience and decrease of mass. This is particularly relevant for reusable launchers, which are aimed at maximising their operational availability and payload capacity. Yet, despite various advances in aeronautics and wind energy load relief, classical feedback-only techniques remain the state-of-practice for launchers. In this article, an improved load relief functionality is proposed by augmenting a conventional control design with a disturbance observer for on-board wind anticipation. Without requiring any change in the feedback loop,this approach also paves the way for the use of forward looking wind estimation in the launcher domain. The disturbance observer is designed and analysed using robust control techniques for a lightweight, non-winged reusable launch vehicle, which relies on the use of planar ﬁns for unpropelled descent attitude control. While the use of ﬁns for launch is not a common practice, the article also exempliﬁes how their use can further improve launcher performance.
|Publication status||Accepted/In press - 2 Apr 2019|
|Event||European Conference for Aeronautics and Space Sciences - Madrid, Spain|
Duration: 1 Jul 2019 → 4 Jul 2019
Conference number: 8
|Conference||European Conference for Aeronautics and Space Sciences|
|Abbreviated title||EUCASS 2019|
|Period||1/07/19 → 4/07/19|
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- 1 Active
Simplicio, P. V. M. & Marcos, A.
1/02/17 → …
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