From Iterative Balance Models to Directly Calculating Explicit Models for Real-time Process Optimization and Scheduling

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    Abstract

    Optimal utilization of complex processes
    involves real-time operational optimization and scheduling,
    especially in cases where the production line consists of both
    continuous and batch operated unit processes. This kind of
    real-time optimization requires process models which can be
    computed significantly faster than real-time. Iterative
    balance calculation is typically far too slow for these cases.
    This paper presents a method for converting an iterative
    balance model to a directly calculating model suitable for online
    process optimization. The approach is demonstrated
    with the first unit process in the copper smelting line, the
    flash smelting furnace (FSF). The method consisted of
    formulating an equation group based on the constrained FSF
    HSC-Sim model and solving the unknown parameters and
    static states with use of a symbolic calculation software. The
    solution was implemented as a function whose calculation
    time fulfilled the requirements for scheduling use.
    Original languageEnglish
    Title of host publication2016 9th EUROSIM Congress on Modelling and Simulation
    PublisherIEEE Computer Society
    Pages184-189
    Number of pages6
    ISBN (Electronic)978-1-5090-4119-0
    ISBN (Print)978-1-5090-4119-0
    Publication statusPublished - 12 Sept 2016
    Publication typeA4 Article in conference proceedings
    EventEUROSIM Congress on Modelling and Simulation -
    Duration: 1 Jan 2000 → …

    Conference

    ConferenceEUROSIM Congress on Modelling and Simulation
    Period1/01/00 → …

    Keywords

    • real-time model; static; mass balance;

    Publication forum classification

    • Publication forum level 1

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