An expert supervisory system for a pilot WWTP

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    Abstract

    This paper presents the development and implementation of a Real-Time Expert System (RTES) for the supervision and control of a wastewater treatment pilot plant (WWTPP) with biological removal of organic matter and nutrients. The hardware architecture contains different supervision levels, including two autonomous process computers (plant control and analysers control) and a PLC, being the ES the top supervisory level. The RTES has been developed using a commercial, industrially validated RTES-development software G2(TM) (by Gensym Corp). It actuates as the master in a supervisory setpoint control (SSC) scheme and it is based on a distributed architecture. The knowledge is organised in several agents, representing the available knowledge for every sub-process of the WWTPP. In addition to these independent agents, a supervisor agent acts as the master of the multi-agent distributed system.
    Original languageEnglish
    Pages (from-to)383-390
    JournalEnvironmental Modelling and Software
    Volume14
    Issue number5
    DOIs
    Publication statusPublished - 1 Mar 1999

    Keywords

    • Activated sludge
    • Distributed AI system
    • Expert System
    • G2
    • Knowledge-based system
    • Monitoring
    • Real-time supervision and control

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