DAI-DEPUR: An integrated and distributed architecture for wastewater treatment plants supervision

Miquel Sànchez, Ulises Cortés, Ignasi R. Roda, Manel Poch, Javier Lafuente

    Research output: Contribution to journalArticleResearchpeer-review

    48 Citations (Scopus)

    Abstract

    The activated sludge process - the main biological technology usually applied to wastewater treatment plants (WWTP) - directly depends on live beings (microorganisms), and therefore on unforeseen changes produced by them. It could be possible to get a good plant operation if the supervisory control system is able to react to the changes and deviations in the system and can take the necessary actions to restore the system's performance. These decisions are often based both on physical, chemical, microbiological principles (suitable to be modelled by conventional control algorithms) and on some knowledge (suitable to be modelled by knowledge-based systems). But one of the key problems in knowledge-based control systems design is the development of an architecture able to manage efficiently the different elements of the process (integrated architecture), to learn from previous cases (specific experimental knowledge) and to acquire the domain knowledge (general expert knowledge). These problems increase when the process belongs to an ill-structured domain and is composed of several complex operational units. Therefore, an integrated and distributed AI architecture seems to be a good choice. This paper proposes an integrated and distributed supervisory multi-level architecture for the supervision of WWTP, that overcomes some of the main troubles of classical control techniques and those of knowledge-based systems applied to real world systems.
    Original languageEnglish
    Pages (from-to)275-285
    JournalArtificial Intelligence in Engineering
    Volume10
    DOIs
    Publication statusPublished - 1 Jan 1996

    Keywords

    • Distributed AI systems
    • Environmental engineering
    • Integrated AI systems
    • Knowledge engineering
    • Knowledge-based systems
    • Real-time supervision and control
    • Wastewater treatment

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