Abstract
This paper describes a novel method for the online identification of an analog second-order plus dead time (SOPDT) model. It requires the measurement of four physical quantities, for which a relay is used. Based on these measurements, the parameters of the model or the regulator settings can be directly determined and used to autotune PI/PID controllers. The steps required to take the necessary measurements and the computational algorithms used to determine the model parameters are presented. The results of the simulation studies, including the measurements and calculations of the obtained models, are presented to demonstrate the effectiveness of the proposed method. Comparisons were made between the developed SOPDT model and the critically damped SOPDT model that is often used for high-order inertial plants.
Funder
Regional Initiative of Excellence of the Polish Minister of Science and Higher Education
Subject
Fluid Flow and Transfer Processes,Computer Science Applications,Process Chemistry and Technology,General Engineering,Instrumentation,General Materials Science
Reference26 articles.
1. Sato, T., Hayashi, I., Horibe, Y., Vilanova, R., and Konishi, Y. (2019). Optimal Robust PID Control for First- and Second-Order Plus Dead-Time Processes. Appl. Sci., 9.
2. A tutorial review on process identification from step or relay feedback test;Liu;J. Process Control,2013
3. Automatic tuning of simple regulators with specifications on phase and amplitude margins;Automatica,1984
4. Modified relay feedback method for improved system identification;Srinivasan;Comput. Chem. Eng.,2003
5. Relay based identification of process with time delay;Majhi;J. Process Control,2007
Cited by
4 articles.
订阅此论文施引文献
订阅此论文施引文献，注册后可以免费订阅5篇论文的施引文献，订阅后可以查看论文全部施引文献