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    PID controller tuning via multi-scale control scheme for parallel cascade processes

    Access Status
    Fulltext not available
    Authors
    Nandong, Jobrun
    Zang, Zhuquan
    Date
    2014
    Type
    Conference Paper
    
    Metadata
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    Citation
    Nandong, J. and Zang, Z. 2014. PID controller tuning via multi-scale control scheme for parallel cascade processes, in Proceedings of the 9th Conference on Industrial Electronics and Applications (ICIEA), 9-11 June 2014: IEEE.
    Source Title
    Proceedings of the 2014 9th IEEE Conference on Industrial Electronics and Applications (ICIEA 2014)
    DOI
    10.1109/ICIEA.2014.6931250
    ISBN
    9781479943166
    School
    Curtin Sarawak
    URI
    http://hdl.handle.net/20.500.11937/43811
    Collection
    • Curtin Research Publications
    Abstract

    This paper presents a new PID controller tuning formula constructed based on the Multi-Scale Control (MSC) Scheme. The proposed PID tuning formula is applicable to a process which can be approximated by a first-order plus deadtime (FOPDT) or second-order plus zero (SOPZ) model. A simple algorithm is proposed for applying the PID tuning formula to parallel cascade processes. The parallel cascade control structure is often used in process industry to overcome the limitation imposed by long time delay. Numerical study shows that the proposed scheme gives improved performance robustness over an IMC-based scheme for parallel cascade processes. © 2014 IEEE.

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