What question did this study set out to answer?

To develop and evaluate an online successive convex optimization algorithm that balances computational speed and trajectory optimality for reusable launcher recovery.

August 5, 2019Journal of Guidance Control and DynamicsOpen Access

Guidance of Reusable Launchers: Improving Descent and Landing Performance

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Authors

PSPedro SimplícioEuropean Space Agency AMAndrés MarcosUniversidad Carlos III de Madrid SBSamir BennaniEuropean Space Research and Technology Centre

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Implication

Computational analysis demonstrates improved descent guidance in reusable launchers via successive convexification, indicating enhanced flight performance across extended operational envelopes.

Key Points

To develop and evaluate an online successive convex optimization algorithm that balances computational speed and trajectory optimality for reusable launcher recovery.
Formulated the DESCENDO algorithm using successive convexification to capture coupled flight mechanics and operational dynamics while accounting for aerodynamic deceleration.
Conducted comparative tradeoff analyses of powered descent and landing scenarios against traditional launcher guidance techniques.
Evaluated closed-loop performance across high-speed recovery profiles spanning extended flight envelopes.
The DESCENDO guidance framework successfully incorporated operational launcher dynamics without requiring the restrictive coverage assumptions of prior convexification models.
Closed-loop testing demonstrated computationally efficient online mission performance assessment across the full descent and landing trajectory.

Cite This Study

Simplício et al. (2019) studied this question.

synapsesocial.com/papers/6a00c50ce92f4a033c855204 https://doi.org/10.2514/1.g004155

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Implication

Computational analysis demonstrates improved descent guidance in reusable launchers via successive convexification, indicating enhanced flight performance across extended operational envelopes.

Guidance of Reusable Launchers: Improving Descent and Landing Performance

Discussion

Member takes

Implication

Key Points

Cite This Study

Guidance of Reusable Launchers: Improving Descent and Landing Performance

Discussion

Member takes

Implication

Key Points

Cite This Study

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