Luis E. Gonzalez Moctezuma

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This paper presents the steps taken to retrofit a real multi robot factory automation testbed to achieve increased flexibility, reconfigurability and awareness of assets including energy-relevant, safety-relevant and quality-relevant parameters. Most changes made can be replicated on similar discrete manufacturing settings, as the leveraging technology is(More)
Nowadays there is a vast amount of IT tools specialized in vector graphics. The data generated by those tools could be used to describe the path of industrial manipulators as a set of vectors. The main problem is that the sequence/direction of those vectors is not meant to be executed by a robot and attempting to do it, would result in inefficient cycle(More)
Cyber-physical systems combine traditional data-processing systems with physical actuation capabilities. The physical aspect introduces new physical risks beyond the typical cyber risks related to information security. Cyber physical systems have an additional physical interface that must be protected from attacks. Furthermore, the physical actuation(More)
Traditionally state machines are implemented by coding the desired behavior of a given system. This work proposes the use of ontological models to describe and perform computations on state machines by using SPARQL queries. This approach represents a paradigm shift relating to the customary manner in which state machines are stored and computed. The main(More)
Cyber-physical systems combine data processing and physical interaction. Therefore, security in cyber-physical systems involves more than traditional information security. This paper surveys recent research on security in cloud-based cyber-physical systems. In addition, this paper especially analyzes the security issues in modern production devices and(More)
This paper describes the development of a multiple ontology workspace management system and its performance assessment. This management system provides users with their own ontology workspace as a repository. It aims to facilitate the storage and manipulation of ontology models for knowledge driven manufacturing execution systems. The system uses Jena TDB(More)
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