Implementation of a Fractional Model-Based Fault Detection Algorithm into a PLC Controller

European Workshop on Advanced Control and Diagnosis

Kopka, Ryszard^1

Opole University of Technology, Sosnkowskiego 31, Opole

45-272, Poland^1

关键词: Exact controls;    Fractional model;    Integer order;    Model-based diagnostics;    Model-based fault detection;    PID regulators;    Plc controllers;    Real objects;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/570/7/072005/pdf
DOI  :  10.1088/1742-6596/570/7/072005

来源: IOP

【 摘 要 】

This paper presents results related to the implementation of model-based fault detection and diagnosis procedures into a typical PLC controller. To construct the mathematical model and to implement the PID regulator, a non-integer order differential/integral calculation was used. Such an approach allows for more exact control of the process and more precise modelling. This is very crucial in model-based diagnostic methods. The theoretical results were verified on a real object in the form of a supercapacitor connected to a PLC controller by a dedicated electronic circuit controlled directly from the PLC outputs.