Relay with additional delay for identification and autotuning of completely unknown processes

Industrial and Engineering Chemistry Research

Volumn 38, Issue 5, 1999, Pages 1987-1997

  Scali, Claudio ^a   Marchetti, Gabriele ^a   Semino, Daniele ^a  

^a UNIVERSITY OF PISA   (Italy)

Author keywords

[No Author keywords available]

Indexed keywords

CLOSED LOOP CONTROL SYSTEMS; IDENTIFICATION (CONTROL SYSTEMS); TUNING; TWO TERM CONTROL SYSTEMS;

RELAY METHOD;

PROCESS CONTROL;

ACCURACY; ARTICLE; DYNAMICS; INDUSTRY; MATHEMATICAL MODEL; PROCESS CONTROL;

EID: 0032908661     PISSN: 08885885     EISSN: None     Source Type: Journal    
DOI: 10.1021/ie980616l     Document Type: Article

References (19)

1. Åkström, K. J.; Hägglund, T. Automatic Tuning of Simple Regulators with Specifications on Phase and Amplitude Margins. Automatica 1984, 20, 645.
2. Cook, P. Non-Linear Dynamical Systems; Prentice Hall: Englewood Cliffs, NJ, 1985; pp 52-64.
3. Friman, M.; Waller, K. V. Autotuning of Multiloop Control Systems. Ind. Eng. Chem. Res. 1994, 33, 1707.
4. Friman, M.; Waller, K. V. Closed-Loop Identification by Use of Single-Valued Nonlinearities. Ind. Eng. Chem. Res. 1995, 34, 3052.
5. Friman, M.; Waller, K. V. A Two-channel Relay for Autotuning. Ind. Eng. Chem. Res. 1997, 37, 2662.
6. Hang, C. C.; Åström, K. J.; Ho, W. K. Refinements of the Ziegler Nichols Tuning Formula. IEEE Proc., Part D 1991,138 (March), 111.
7. Lee, J.; Cho, W.; Edgar, T. F. An Improved Technique for PID Controller Tuning from Closed-Loop Tests. AIChE J. 1990, 36, (12), 1891.
8. Li, W.; Eskinat, E.; Luyben, W. L. An Improved Autotune Identification Method. Ind. Eng. Chem. Res. 1991, 30, 1530.
9. Loh, A. P.; Hang, C. C.; Quek, C. K.; Vasnani, V. U. Autotuning of Multiloop Proportional-Integral Controllers Using Relay Feedback. Ind. Eng. Chem. Res. 1993, 32, 1102.
10. Luyben, W. L. Derivation of Transfer Functions for Highly Nonlinear Distillation Columns. Ind. Eng. Chem. Res. 1987, 26, 2490.
11. Marchetti, G. Tesi di Laurea (in Italian); Department of Chemical Engineering, University of Pisa: Pisa, Italy, 1998.
12. Marchetti, G.; Semino, D.; Scali, C. Identification of Unknown Processes for Autotune Purpose by Relay Tests. Proc. MCEA '98: International Conference on Elettronics and Applications; Marrakesh, Morocco, 1998; p 454.
13. Morari, M.; Zafiriou, E. Robust Process Control; Prentice Hall: Englewood Cliffs, NJ, 1989; pp 114-124.
14. Palmor, Z. J.; Halevi, Y.; Krasney, N. Automatic Tuning of Decentralized PID Controllers for TITO Processes. Automatica 1995, 31, 1001.
15. Scali, C.; Costaggiu, R. Relay with Hysteresis for Monitoring and Controller Design. Proceedings of DYCOPS-5, IFAC Symposium: Dynamics and Control of Process Systems; Corfu, Greece, 1998; p 596.
16. Semino, D.; Scali, C. Improved Identification and Autotuning of PI Controllers for MIMO Processes by Relay Techniques. J. Process Control 1998, 8 (3), 219.
17. Semino, D.; Mazzanti, I.; Scali, C. Design of Decentralized Controllers by a Relay Technique: Extensions of Tuning Rules. Proc. UKACC Int. Conf. CONTROL '96, 1996, 1090.
18. Shen, S. H.; Yu, C. C. Use of Relay-Feedback Test or Automatic Tuning of Multivariable Systems. AIChE J. 1994, 40, 627.
19. Ziegler, J. G.; Nichols, N. B. Optimum Setting for Automatic Controllers. Trans. ASME 1942, 65, 433.