Browsing by Author "Lizuain, Zigor"
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Item Intelligent maintenance for industrial processes, a case study on cold stamping(Springer Verlag, 2018) Boto, Fernando; Lizuain, Zigor; Cortadi, Alberto Jimenez; Perez Garcia, Hilde; Alfonso-Cendon, Javier; Sanchez Gonzalez, Lidia; Corchado, Emilio; Quintian, Hector; Tecnalia Research & Innovation; FACTORYThe correct diagnosis of tool breakage is fundamental to improve productivity, minimizing the number of unproductive hours and avoiding expensive repairs. The use of Data Mining techniques provides a significant added value in terms of improvements in the robustness, reliability and flexibility of the monitored systems. In this work, a general view of a diagnosis and prognosis of tool breakage in Industrial Processes is proposed. The important issues identified will be analyzed: filtering, process characterization and data based modeling. A case study has been implemented to carry out the prognosis of tool breakage in the cold stamping process. The results provided are qualitative trends and hypothesis to perform the prognosis. Although a validation in real operation is needed, these results are promising and demonstrate the goodness of using these type of techniques in real processes.Item Towards a flexible production system Environment Server implementation(Institute of Electrical and Electronics Engineers Inc., 2015-10-30) Puerto, Mildred J.; Salle, Damien; Outon, Jose Luis; Herrero, Hector; Lizuain, Zigor; Grana, Manuel; Corchado, Emilio; Fraile-Ardanuy, Jesus; Quintian, Hector; Kakarountas, Athanasios; Haase, Jan; Debono, Carl James; FACTORY; ROBOTICA_FLEX; Tecnalia Research & InnovationFlexible production systems represents the future of manufacturing processes in Europe. Small batches of products and adaptation of the line to variants or new products is in the European view of the 2020 manufacturing. This new paradigm requires a novel approach where many advances in the theory have been made and laboratory prototype implementations have shown the potential of this approach. However, industrial implementations have not been yet achieved. More pragmatic approaches suitable for system integrators are still needed. This paper introduces a proposal of such as approach with a mobile robot using the information contained in an Environment Server.