Ivo Moutinho

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This paper reports on the preparation of TiNx thin films by d.c. reactive magnetron sputtering. The coating thickness ranged from 1.7 to 4.2 Am and the nitrogen content varied between 0 and 55 at.%. X-Ray diffraction showed the development of the hexagonal a-Ti phase, with strong [002] orientation for low nitrogen contents, where the N atoms fit into(More)
Grupo de Automação e Robótica, Departamento de Electrónica Industrial, Universidade do Minho, Campus de Azurém, 4800 Guimarães, Portugal fernando.ribeiro@dei.uminho.pt, ivo@aeiou.pt, pedro_silva@portugalmail.com, CarlosFraga@portugalmail.com, ninopereira@clix.pt Abstract. Autonomous Mobile Locomotion is of extreme importance in RoboCup robots. Even though(More)
Although this research group has started a robotic football team in 1998, MINHO team has been participating in RoboCup only since 1999. The robots were completely developed by the undergraduate team members (mechanics, hardware and software), due to budget reasons, and every year new improvements had been made. The team came to a point where new(More)
Traditional two wheels differential drive normally used on mobile robots have manoeuvrability limitations and take time to sort out. Most teams use two driving wheels (with one or two cast wheels), four driving wheels and even three driving wheels. A three wheel drive with omni-directional wheel has been tried with success, and was implemented on fast(More)
In Multi-Robot systems like the RoboCup football challenge, there are a small number of key issues which are of extreme relevance for the successfulness of the final application. In MSL RoboCup these main issues are three: a) The vision system, which has to be as reliable and fast as possible in order to perceive the necessary entities to carry out the game(More)
In order to foster research and development in a multi-agent robotic environment three fundamental improvements on the robots need to be carried out: a) a very reliable and robot control which works at high speeds and a dynamic approach is described in this work; b) Cooperative behaviour is very important since without it there is no ball pass, and that is(More)
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