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Supervision and control system for SBR's

The EOLI supervision and control system was tested and validated at the two pilot SBR plants engaged in the project: the one located at the INRA facilities and the other one provided by the ENEA and located at the site of a full scale plant. Both plants were equipped with the EOLI hardware and software main frame. With the aim to validate the EOLI system under other architectures for the integration different from the one developed in the project, UNAM and UU own systems for the monitoring and control have been modified in order to adapt them to run and to test some EOLI software modules at two lab plants (UU) and at the full scale plant built up by IBTech, sending the data to the EOLI remote server. The EOLI remote control centre consists therefore of the lab and pilot scale plants enrolled in the EOLI system, i.e. both lab plants at UU, two pilot plants (one at INRA and one at ENEA), and one full scale plant at IBTech in Mexico. The data from these plants are available at the remote server.

The whole integrated system produced at the end of the project is characterised by a high level of modularity pursued for the integration that makes it possible to configure, to enrol, to enable or to disable all the possibly numerous components. Therefore the system can be applied at plant of different size, under different sensors network configurations. The experience from the installation, running and maintenance at two different pilot plants, the ENEA and the INRA ones, confirm this result.

The full customisability, that was a key requirement for the development of the system, is a consequence of this high and reliable modularity. The core, both at the remote control centre and at the local plant, is a relational database and it is used to store all the data gathered (measurements), generated (commands), transferred and managed by the EOLI system. At the local plant level, the main frame software is organized in modules.

Software modules can be enrolled into the system to implement features and functionalities. The EOLI software architecture is based on the client/server technology in which different modules implemented for different purposes, can share the same resources using a relational database management system (DBMS) that is introduced to replace the limitations of the file sharing architecture: the client/server technology is a versatile, message-based and modular infrastructure that is intended to improve usability, flexibility, interoperability and scalability.

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