Premium
A nonlinear pi(d) controller
Author(s) -
Jutan Arthur
Publication year - 1989
Publication title -
the canadian journal of chemical engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 67
eISSN - 1939-019X
pISSN - 0008-4034
DOI - 10.1002/cjce.5450670321
Subject(s) - pid controller , control theory (sociology) , simplicity , nonlinear system , pi , controller (irrigation) , process (computing) , process control , set (abstract data type) , set point , computer science , mathematics , control (management) , control engineering , engineering , physics , temperature control , artificial intelligence , geometry , agronomy , quantum mechanics , biology , programming language , operating system
The PID control algorithm remains the most widely used in the process industries. This is due to its simplicity (three tuning parameters, fixed structure) and its ability to satisfy the majority of process control needs. Here, a new nonlinear algorithm (the PI(D)) is presented, which maintains the simplicity of the PID, but is nevertheless able to outperform it in both load and set point changes. Tuning formulae and response curves for the PI(D) controller are presented.