Browsing by Author "Alvarez, Mariano Jose"
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- Prototyping and control of an automatic ceramic tableware finishing devicePublication . Alvarez, Mariano Jose; Brancalião, Laiany Suganuma; Gomes, Diogo; Pinto, Vítor H.; Carneiro, Jorge; Santos, José M.R.C.A.; Coelho, João Paulo; Gonçalves, JoséThis paper presents a first prototype of an automated system that will be applied in stoneware tableware ceramics finishing, being developed in the scope of STC 4.0 HP project. The main objective of this prototype is to test different alternatives to obtain a precise finish on ceramic pieces produced by GRESTEL - PRODUTOS CERÂMICOS S.A, improving the production of irregular pieces that until now are finished using manual labor. This is why the implementation of a closed-loop control of the rotation speed of a finishing sponge and its applied force control is proposed.
- Towards a more accurate time of flight distance sensor to be applied in a mobile robotics applicationPublication . Brancalião, Laiany; Alvarez, Mariano Jose; Conde, Miguel Ángel; Costa, Paulo Gomes da; Gonçalves, José; Alvarez, Mariano JoséIn this paper, it is presented a field of view analysis of a time of flight sensor, that will be applied in a mobile robotics application. The sensor was configured in order to obtain a tradeoff between reactiveness and accuracy. It was used a microcontroller development board to acquire data and a manipulator to perform the movements, assuring repeatability and accuracy in the data acquisition process. The results of this paper will be used as an input to a simulation, in order to assist in the development of a mobile robotics application and also to be applied in educational contexts.