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Catadioptric system optimisation for omnidirectional Robocup MSL robots

Lopes, Gil; Ribeiro, António Fernando; Pereira, Nino

Omnidirectional Robocup MSL robots often use catadioptric vision systems in order to enable 360º of field view. It comprises an upright camera facing a convex mirror, commonly spherical, parabolic or hyperbolic, that reflects the entire space around the robot. This technique is being used for more than a decade and in a similar way by most teams. Teams upgrade their cameras in order to obtain more and better in...


A golf ball picking robot design and development

Pereira, Nino; Ribeiro, António Fernando; Lopes, Gil; Whitney, Daniel; Lino, Jorge

The golf ball picking task is a daily that requires human intensive labor. This document presents the hardware developing process of an autonomous golf ball picking robot which aims to efficiently perform this task. It has a maintenance capacity of a 25,000 m2 practice field. Compared to a similar device in the market this robot has twice the maximum speed and three times more container capacity.


Autonomous golf ball picking robot design and development

Pereira, Nino; Ribeiro, António Fernando; Lopes, Gil; Whitney, Daniel; Lino, Jorge

The golf ball picking task is a daily that requires human intensive labor. This document presents the hardware developing process of an autonomous golf ball picking robot which aims to efficiently perform this task. It has a maintenance capacity of a 25,000 m2 practice field. Compared to a similar device in the market this robot has twice the maximum speed and three times more container capacity.


Bot’n roll robotic kit as a learning tool for youngsters

Ribeiro, António Fernando; Lopes, Gil; Pereira, Nino; Cruz, José; Costa, Manuel F. M.

Activities involving robotics, projecting assembling and programming robots are in essence hands-on and inquiry-based activities leading to an effective learning of different aspects of science and technology among others. Different approaches have being used to introduce robotics in the education of young children. In this communication we will present an approach that in an inquiry based science education, IB...


Catadioptric system optimisation for omnidirectional Robocup MSL robots

Lopes, Gil; Ribeiro, António Fernando; Pereira, Nino

Omnidirectional Robocup MSL robots often use catadioptric vision systems in order to enable 360º of field view. It comprises an upright camera facing a convex mirror, commonly spherical, parabolic or hyperbolic, that reflects the entire space around the robot. This technique is being used for more than a decade and in a similar way by most teams. Teams upgrade their cameras in order to obtain more and better in...


Computer-controlled model railroad

Pereira, Nino; Castro, Hélder; Sepúlveda, João; Esteves, João Sena

Model railroads are good test beds for several scientific experiments on Electromagnetism, Electronics, Automation, Control and Computer Science. Moreover, they are eye-catching structures very well suited for science-fair events. This paper describes a 2m x 1m model railroad layout and a user-friendly program, built with LabVIEW graphical language. The program is able to control train direction and speed, and ...


High accuracy navigation in unknown environment using adaptive control

Ribeiro, António Fernando; Moutinho, Ivo; Pereira, Nino; Oliveira, Fernando; Fernandes, José; Peixoto, Nuno; Salgado, Antero

Aiming to reduce cycle time and improving the accuracy on tracking, a modified adaptive control was developed, which adapts autonomously to changing dynamic parameters. The platform used is based on a robot with a vision based sensory system. Goal and obstacles angles are calculated relatively to robot orientation from image processing software. Autonomous robots are programmed to navigate in unknown and unstru...


Mobile robot construction for edutainment application

Ribeiro, António Fernando; Moutinho, Ivo; Silva, Pedro; Braga, Paulo; Pereira, Nino

As time goes on, there are more and more robotics applications. The limit is almost the imagination of each person. A great deal of industrial work can yet be done by robots and new ideas are blossoming. The entertainment industry is arriving and there are already many ideas as well as real robots on the field. It is important to point out that the entertainment applications not just entertain people as it also...


Optimized robot strategy, ball filters and new referee whistle hardware filter

Ribeiro, António Fernando; Pereira, Nino; Silva, João; Ferreira, Marco; Silva, Tomé

This paper briefly describes the main changes on the Minho Team robots since the last RoboCup edition. Work has been carried out on the robots in order to constantly improve their capabilities, based on the experience from previous participations. The main topics to deal in this paper are related with the optimization of movement on the field and also game strategy software, a ball filter recently implemented o...


Computer-controlled model railroad

Pereira, Nino; Castro, Hélder; Sepúlveda, João; Esteves, João Sena

Model railroads are good test beds for several scientific experiments on Electromagnetism, Electronics, Automation, Control and Computer Science. Moreover, they are eye-catching structures very well suited for science-fair events. This paper describes a 2m x 1m model railroad layout and a user-friendly program, built with LabVIEW graphical language. The program is able to control train direction and speed, and ...


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    Financiadores do RCAAP

Fundação para a Ciência e a Tecnologia Universidade do Minho   Governo Português Ministério da Educação e Ciência Programa Operacional da Sociedade do Conhecimento União Europeia