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Relay Feedback Identification with Shifting Filter for PID Control

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21220%2F20%3A00350333" target="_blank" >RIV/68407700:21220/20:00350333 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1016/j.ifacol.2020.12.2847" target="_blank" >https://doi.org/10.1016/j.ifacol.2020.12.2847</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.ifacol.2020.12.2847" target="_blank" >10.1016/j.ifacol.2020.12.2847</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Relay Feedback Identification with Shifting Filter for PID Control

  • Original language description

    The paper describes a recently introduced relay shifting method for process identification using a single relay feedback test. The aim is to obtain a process model for automatic tuning of PID controllers. This method is applicable for open-loop stable, unstable and integrating systems if there is sustained oscillation in a biased-relay feedback test. For this purpose the identification method uses a filter called a “shifting filter” which enables to estimate the next point on a process frequency characteristic. Furthermore, this additional point can be used to estimate the parameters of the process transfer function with multiple parameters, including static gain, even under a static load disturbance. In the paper, a new more robust algorithm for fitting a second-order time delayed model is introduced. It can be used for the PID controller design of the most processes describable by linear models. For the first time the shifting filter is also applied for the relay feedback identification of unstable systems. The method is demonstrated on examples of stable, unstable and integrating systems.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20205 - Automation and control systems

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    Proceedings of the IFAC World Congress 2020

  • ISBN

  • ISSN

    2405-8963

  • e-ISSN

    2405-8963

  • Number of pages

    6

  • Pages from-to

    10701-10706

  • Publisher name

    IFAC

  • Place of publication

    Laxenburg

  • Event location

    Berlín

  • Event date

    Jul 11, 2020

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000652593100305