no code implementations • 7 Feb 2024 • Giacomo Acciarini, Atılım Güneş Baydin, Dario Izzo
Thus, we propose a novel orbital propagation paradigm, ML-dSGP4, where neural networks are integrated into the orbital propagator.
no code implementations • 13 Sep 2023 • Loïc J. Azzalini, Dario Izzo
This paper motivates the use of a scientific event camera by reconstructing the particle ejection episodes reported by the OSIRIS-REx mission in a photorealistic scene generator and in turn, simulating event-based observations.
1 code implementation • 1 Aug 2023 • Loïc J. Azzalini, Emmanuel Blazquez, Alexander Hadjiivanov, Gabriele Meoni, Dario Izzo
We anticipate that novel event-based vision datasets can be generated using this pipeline to support various spacecraft pose reconstruction problems given events as input, and we hope that the proposed methodology would attract the attention of researchers working at the intersection of neuromorphic vision and guidance navigation and control.
1 code implementation • 31 May 2023 • Jonas Schuhmacher, Fabio Gratl, Dario Izzo, Pablo Gómez
Hence, this work demonstrates that training neural networks for the gravity inversion problem is appropriate as long as the gravity signal is distinguishable from noise.
no code implementations • 22 May 2023 • Dario Izzo, Emmanuel Blazquez, Robin Ferede, Sebastien Origer, Christophe De Wagter, Guido C. H. E. de Croon
Spacecraft and drones aimed at exploring our solar system are designed to operate in conditions where the smart use of onboard resources is vital to the success or failure of the mission.
no code implementations • 10 Dec 2022 • Dario Izzo, Alexander Hadjiivanov, Dominik Dold, Gabriele Meoni, Emmanuel Blazquez
The term ``neuromorphic'' refers to systems that are closely resembling the architecture and/or the dynamics of biological neural networks.
no code implementations • 10 Dec 2022 • Dario Izzo, Gabriele Meoni, Pablo Gómez, Dominik Dold, Alexander Zoechbauer
The development and adoption of artificial intelligence (AI) technologies in space applications is growing quickly as the consensus increases on the potential benefits introduced.
1 code implementation • 27 Sep 2022 • Sofia McLeod, Gabriele Meoni, Dario Izzo, Anne Mergy, Daqi Liu, Yasir Latif, Ian Reid, Tat-Jun Chin
This is achieved by estimating divergence (inverse TTC), which is the rate of radial optic flow, from the event stream generated during landing.
no code implementations • 13 Jun 2022 • Marcus Märtens, Dario Izzo
Interpretable regression models are important for many application domains, as they allow experts to understand relations between variables from sparse data.
no code implementations • 13 May 2022 • Marcus Märtens, Dario Izzo, Emmanuel Blazquez, Moritz von Looz, Pablo Gómez, Anne Mergy, Giacomo Acciarini, Chit Hong Yam, Javier Hernando Ayuso, Yuri Shimane
Dyson spheres are hypothetical megastructures encircling stars in order to harvest most of their energy output.
no code implementations • 29 Mar 2022 • Dario Izzo, Sebastien Origer
We train neural models to represent both the optimal policy (i. e. the optimal thrust direction) and the value function (i. e. the time of flight) for a time optimal, constant acceleration low-thrust rendezvous.
2 code implementations • 6 Oct 2021 • Tae Ha Park, Marcus Märtens, Gurvan Lecuyer, Dario Izzo, Simone D'Amico
Autonomous vision-based spaceborne navigation is an enabling technology for future on-orbit servicing and space logistics missions.
2 code implementations • 27 May 2021 • Dario Izzo, Pablo Gómez
When the body shape information is available, geodesyNets can seamlessly exploit it and be trained to represent a high-fidelity neural density field able to give insights into the internal structure of the body.
no code implementations • 11 May 2021 • Anne Mergy, Gurvan Lecuyer, Dawa Derksen, Dario Izzo
In advanced mission concepts with high levels of autonomy, spacecraft need to internally model the pose and shape of nearby orbiting objects.
1 code implementation • 20 Apr 2021 • Dawa Derksen, Dario Izzo
To accommodate for changing light source conditions both from a directional light source (the Sun) and a diffuse light source (the sky), we extend the NeRF approach in two ways.
no code implementations • 7 Aug 2020 • Thomas Uriot, Dario Izzo, Luís F. Sim{õ}es, Rasit Abay, Nils Einecke, Sven Rebhan, Jose Martinez-Heras, Francesca Letizia, Jan Siminski, Klaus Merz
Spacecraft collision avoidance procedures have become an essential part of satellite operations.
no code implementations • 23 Mar 2020 • Thomas Uriot, Dario Izzo
Indeed, naive crossover leads to functionally damaged offspring that do not retain information from the parents.
no code implementations • 20 Feb 2020 • Dario Izzo, Ekin Öztürk
We find that both policy learning and value function learning successfully and accurately learn the optimal thrust and that a spacecraft employing the learned thrust is able to reach the target conditions orbit spending only 2 permil more propellant than in the corresponding mathematically optimal transfer.
no code implementations • 5 Nov 2019 • Mate Kisantal, Sumant Sharma, Tae Ha Park, Dario Izzo, Marcus Märtens, Simone D'Amico
Reliable pose estimation of uncooperative satellites is a key technology for enabling future on-orbit servicing and debris removal missions.
no code implementations • 3 Jul 2019 • Marcus Märtens, Dario Izzo, Andrej Krzic, Daniël Cox
ESA's PROBA-V Earth observation satellite enables us to monitor our planet at a large scale, studying the interaction between vegetation and climate and provides guidance for important decisions on our common global future.
no code implementations • 3 Jul 2019 • Marcus Märtens, Dario Izzo
The ability to design complex neural network architectures which enable effective training by stochastic gradient descent has been the key for many achievements in the field of deep learning.
no code implementations • 18 Apr 2019 • Dario Izzo, Ekin Öztürk, Marcus Märtens
A number of applications to interplanetary trajectories have been recently proposed based on deep networks.
no code implementations • 27 Feb 2019 • Christopher Iliffe Sprague, Dario Izzo, Petter Ögren
In this paper, we present a novel and straightforward approach to synthesising these policies through a combination of trajectory optimisation, homotopy continuation, and imitation learning.
no code implementations • 7 Jan 2019 • Dharmesh Tailor, Dario Izzo
By substituting expert demonstrations for optimal behaviours, the same paradigm leads to the design of control policies closely approximating the optimal state-feedback.
no code implementations • 7 Dec 2018 • Dario Izzo, Marcus Märtens, Binfeng Pan
The rapid developments of Artificial Intelligence in the last decade are influencing Aerospace Engineering to a great extent and research in this context is proliferating.
1 code implementation • 6 Dec 2018 • Dario Izzo, Dharmesh Tailor, Thomas Vasileiou
Recent work have shown how the optimal state-feedback, obtained as the solution to the Hamilton-Jacobi-Bellman equations, can be approximated for several nonlinear, deterministic systems by deep neural networks.
no code implementations • 1 Feb 2018 • Dario Izzo, Christopher Sprague, Dharmesh Tailor
After providing a brief historical overview on the synergies between artificial intelligence research, in the areas of evolutionary computations and machine learning, and the optimal design of interplanetary trajectories, we propose and study the use of deep artificial neural networks to represent, on-board, the optimal guidance profile of an interplanetary mission.
1 code implementation • 3 Apr 2017 • Luís F. Simões, Dario Izzo, Evert Haasdijk, A. E. Eiben
The design of spacecraft trajectories for missions visiting multiple celestial bodies is here framed as a multi-objective bilevel optimization problem.
no code implementations • 15 Nov 2016 • Dario Izzo, Francesco Biscani, Alessio Mereta
We introduce the use of high order automatic differentiation, implemented via the algebra of truncated Taylor polynomials, in genetic programming.
1 code implementation • 27 Oct 2016 • Carlos Sánchez-Sánchez, Dario Izzo
Recent research on deep learning, a set of machine learning techniques able to learn deep architectures, has shown how robotic perception and action greatly benefits from these techniques.
Systems and Control
no code implementations • 25 Mar 2016 • Kevin van Hecke, Guido de Croon, Laurens van der Maaten, Daniel Hennes, Dario Izzo
We study this persistent form of SSL in the context of a flying robot that has to avoid obstacles based on distance estimates from the visual cue of stereo vision.
Robotics
1 code implementation • 3 Nov 2015 • Dario Izzo, Daniel Hennes, Luís F. Simões, Marcus Märtens
The design of interplanetary trajectories often involves a preliminary search for options later refined/assembled into one final trajectory.
Space Physics
2 code implementations • 11 Mar 2014 • Dario Izzo
The orbital boundary value problem, also known as Lambert Problem, is revisited.
Earth and Planetary Astrophysics