Successive convexification with feasibility guarantee via augmented lagrangian for non-convex optimal control problems

K Oguri - 2023 62nd IEEE Conference on Decision and Control …, 2023‏ - ieeexplore.ieee.org
This paper proposes an algorithm that solves non-convex optimal control problems with a
theoretical guarantee for global convergence to a feasible local solution of the original …

Long-Term Fuel-Optimal Collision Avoidance Maneuvers with Station-Kee** Constraints

Z Pavanello, L Pirovano, R Armellin - Journal of Guidance, Control, and …, 2024‏ - arc.aiaa.org
This work presents a sequential convex program method to compute fuel-optimal collision
avoidance maneuvers for long-term encounters. The low-thrust acceleration model is used …

A Convex Optimization Method for Multiple Encounters Collision Avoidance Maneuvers

Z Pavanello, L Pirovano, R Armellin… - AIAA Scitech 2024 …, 2024‏ - arc.aiaa.org
This work presents a novel approach for the optimization of fuel-optimal collision avoidance
maneuvers (CAMs) in scenarios involving multiple encounters. The considered risk …

[PDF][PDF] Long-term encounters collision avoidance maneuver optimization with a convex formulation

Z Pavanello, L Pirovano, R Armellin - 33rd AAS/AIAA Space Flight …, 2023‏ - researchgate.net
A method to compute fuel optimal maneuvers for long-term encounters is presented. The
maneuver design is formulated as a convex optimization problem employing lossless …

A Convex Formulation for Collision Avoidance Maneuver Strategies During Low-Thrust Phases

Z Pavanello, L Pirovano, A De Vittori, P Di Lizia… - AIAA Scitech 2024 …, 2024‏ - arc.aiaa.org
Conjunctions between spacecraft are increasingly common across orbital regimes,
demanding reliable and efficient collision avoidance (CA) strategies. The typical solution to …

Validation of a Fuel-Efficient Collision Avoidance Manoeuvre Optimiser for the GRACE-FO Mission.

A Zollo, Z Pavanello, R Armellin, JF San Juan Díaz… - 2024‏ - elib.dlr.de
In recent decades, the increasing number of objects in Earth's orbit has raised significant
safety concerns for spacecraft operations. Particularly in Low Earth Orbit (LEO), missions are …