34 citations · 79 across the 15 of their papers we have counts for
15 papers
Maneuver Detection via a Confidence Dominance Maneuver Indicator
Xingyu Zhou, Roberto Armellin, Laura Pirovano +2
Accurate and efficient maneuver detection is critical for ensuring the safety and predictability of spacecraft trajectories. This paper presents a novel maneuver detection approach…
Using Co-Located Range and Doppler Radars for Initial Orbit Determination
Cristina Parigini, Laura Pirovano, Roberto Armellin +3
With debris larger than 1 cm in size estimated to be over one million, precise cataloging efforts are essential to ensure space operations' safety. Compounding this challenge is th…
Collision Avoidance Maneuvers Optimization in the Presence of Multiple Encounters
Zeno Pavanello, Laura Pirovano, Roberto Armellin +2
The optimization of fuel-optimal low-thrust collision avoidance maneuvers (CAMs) in scenarios involving multiple encounters between spacecraft is addressed. The optimization's obje…
Recursive Polynomial Method for Fast Collision Avoidance Maneuver Design
Zeno Pavanello, Laura Pirovano, Roberto Armellin
A simple and reliable algorithm for collision avoidance maneuvers (CAMs), capable of computing impulsive, multi-impulsive, and low-thrust maneuvers, is proposed. The probability of…
Convex Optimization-based Model Predictive Control for Active Space Debris Removal Mission Guidance
Minduli Wijayatunga, Roberto Armellin, Harry Holt +2
A convex optimization-based model predictive control (MPC) algorithm for the guidance of active debris removal (ADR) missions is proposed in this work. A high-accuracy reference fo…
Convex Optimization-Based Model Predictive Control for the Guidance of Active Debris Removal Transfers
Minduli Wijayatunga, Roberto Armellin, Harry Holt +2
Active debris removal (ADR) missions have garnered significant interest as means of mitigating collision risks in space. This work proposes a convex optimization-based model predic…
Fuel-Optimal Collision Avoidance Maneuvers in Long-Term Encounters with Station-Keeping Constraints
Zeno Pavanello, Laura Pirovano, Roberto Armellin
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 to a…
Detection and estimation of spacecraft maneuvers for catalog maintenance
Laura Pirovano, Roberto Armellin
Building and maintaining a catalog of resident space objects involves several tasks, ranging from observations to data analysis. Once acquired, the knowledge of a space object need…
Design and Guidance of a Multi-Active Debris Removal Mission
Minduli Wijayatunga, Roberto Armellin, Harry Holt +2
Space debris have been becoming exceedingly dangerous over the years as the number of objects in orbit continues to rise. Active debris removal (ADR) missions have garnered signifi…
Team theAntipodes: Solution Methodology for GTOC11
Roberto Armellin, Laurent Beauregard, Andrea Bellome +7
This paper presents the solution approach developed by the team "theAntipodes" for the 11th Global Trajectory Optimization Competition (GTOC11). The approach consists of four main…
Exploiting Scaling Constants to Facilitate the Convergence of Indirect Trajectory Optimization Methods
Minduli C. Wijayatunga, Roberto Armellin, Laura Pirovano
This note develops easily applicable techniques that improve the convergence and reduce the computational time of indirect low thrust trajectory optimization when solving fuel- and…
HO distribution in the disc of HD 100546 and HD 163296: the role of dust dynamics and planet--disc interaction
L. M. Pirovano, D. Fedele, E. F. van Dishoeck +3
[Abridged] Far-infrared observations with Herschel revealed a surprisingly low abundance of cold-water reservoirs in protoplanetary discs. On the other hand, a handful of discs sho…
Robust initial orbit determination for short-arc Doppler radar observations
M. Losacco, R. Armellin, C. Yanez +3
A new Doppler radar initial orbit determination algorithm with embedded uncertainty quantification capabilities is presented. The method is based on a combination of Gauss' and Lam…
Determination of the strange-quark mass from QCD pseudoscalar sum rules
C. A. Dominguez, L. Pirovano, K. Schilcher
A new determination of the strange-quark mass is discussed, based on the two-point function involving the axial-vector current divergences. This Green function is known in perturba…
The strange-quark mass from QCD sum rules in the pseudoscalar channel
C. A. Dominguez, L. Pirovano, K. Schilcher
QCD Laplace transform sum rules, involving the axial-vector current divergences, are used in order to determine the strange quark mass. The two-point function is known in QCD up to…