Title :
PI/PID controller tuning via LQR approach
Author :
He, Jian-Bo ; Wang, Qing-Guo ; Lee, Tong-Heng
Author_Institution :
Centre for Inf. Enhanced Med., Nat. Univ. of Singapore, Singapore
Abstract :
This paper presents a new optimal PI/PID controller tuning algorithms for low-order plus time delay processes via the LQR approach. A new criterion for selection of the Q and R matrices is proposed, which leads to the desired natural frequency and damping ratio of the closed-loop system. The examples with various dynamics are included to demonstrate the effectiveness of the tuning algorithms and show significant improvement over the existing PID tuning methods
Keywords :
closed loop systems; controllers; delay systems; linear quadratic control; matrix algebra; three-term control; tuning; two-term control; LQR control; PI controller; PID controller; closed-loop system; matrix algebra; optimal control; time delay systems; tuning; Control systems; Damping; Delay effects; Industrial control; Optimal control; Pi control; Process control; Proportional control; Three-term control; Tuning;
Conference_Titel :
Decision and Control, 1998. Proceedings of the 37th IEEE Conference on
Conference_Location :
Tampa, FL
Print_ISBN :
0-7803-4394-8
DOI :
10.1109/CDC.1998.760858
