L
L. Sebastiao
Researcher at University of Lisbon
Publications - 29
Citations - 523
L. Sebastiao is an academic researcher from University of Lisbon. The author has contributed to research in topics: Engineering & Remotely operated underwater vehicle. The author has an hindex of 10, co-authored 27 publications receiving 472 citations. Previous affiliations of L. Sebastiao include Instituto Superior Técnico.
Papers
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Proceedings ArticleDOI
Robotic ocean vehicles for marine science applications: the European ASIMOV project
Antonio M. Pascoal,Paulo Oliveira,Carlos Silvestre,L. Sebastiao,Manuel Rufino,Victor Barroso,Joao Gomes,G. Ayela,P. Coince,M. Cardew,A. Ryan,H. Braithwaite,N. Cardew,J. Trepte,N. Seube,J. Champeau,Philippe Dhaussy,V. Sauce,R. Moitie,Ricardo S. Santos,Frederico Cardigos,M. Brussieux,Paul R. Dando +22 more
TL;DR: The ASIMOV project as mentioned in this paper developed and integrated advanced technological systems to achieve coordinated operation of an Autonomous Surface Craft (ASC) and an AUV while ensuring a fast communication link between the two vehicles.
Proceedings ArticleDOI
Vehicle and Mission Control of the DELFIM Autonomous Surface Craft
Joao Alves,Paulo Oliveira,Rodolfo Oliveira,Antonio M. Pascoal,Manuel Rufino,L. Sebastiao,Carlos Silvestre +6 more
TL;DR: The navigation, guidance, and control systems of the vehicle, together with the mission control system that allows end-users to seamlessly program and run scientific missions at sea are described.
Journal ArticleDOI
Cooperative Control of Multiple Marine Vehicles Theoretical Challenges and Practical Issues
A. Pedro Aguiar,João Almeida,Mohammadreza Bayat,B. Cardeira,Rita Cunha,Andreas J. Häusler,P. Maurya,A. Oliveira,Antonio M. Pascoal,Arvind Pereira,Manuel Rufino,L. Sebastiao,Carlos Silvestre,Francesco Vanni +13 more
TL;DR: In this paper, a brief overview of some of the theoretical and practical issues that arise in the process of developing advanced motion control systems for cooperative multiple autonomous marine vehicles (AMVs).
Control of the Maya AUV in the vertical and horizontal planes: Theory and practical results
P. Maurya,Ehrlich Desa,Antonio M. Pascoal,Ettore Apolônio de Barros,G.S. Navelkar,R. Madhan,Antonio Mascarenhas,S. Prabhudesai,S. Afzulpurkar,Ashwin Gouveia,S. Naroji,L. Sebastiao +11 more
TL;DR: The paper describes the design and testing of the depth and heading autopilots for a small Autonomous Underwater Vehicle (AUV) named Maya using the LQ (Linear-Quadratic) optimization technique based on a mathematical model of the AUV obtained by resorting to analytical and semi-empirical methods.
Proceedings ArticleDOI
The MEDUSA class of autonomous marine vehicles and their role in EU projects
Pedro Caldeira Abreu,Joao Botelho,Pedro M. P. Gois,Antonio M. Pascoal,Jorge Ribeiro,Miguel Ribeiro,Manuel Rufino,L. Sebastiao,Henrique Silva +8 more
TL;DR: A new class of autonomous marine vehicles named Medusa is described and their role in a number of EU projects addressing multiple vehicle scenarios is highlighted and the participation of IST and the MEDUSA vehicles is summarized.