Parameter estimation from relay autotuning with asymmetric limit cycle data

Journal of Process Control

Volumn 11, Issue 4, 2001, Pages 429-439

  Kozub, Derrick J ^a   Seppala, Chris T ^a  

^a SHELL GLOBAL SOLUTIONS INTERNATIONAL B V   (United States)

Author keywords

Autotuning; Identification; Limit cycle; Relay feedback

Indexed keywords

AUTOMATION; CONTROL SYSTEM ANALYSIS; CONTROL SYSTEM SYNTHESIS; FEEDBACK CONTROL; PARAMETER ESTIMATION; THREE TERM CONTROL SYSTEMS;

ASYMMETRIC LIMIT CYCLES; RELAY AUTOTUNING;

PROCESS CONTROL;

EID: 0035427819     PISSN: 09591524     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0959-1524(99)00073-6     Document Type: Article

References (15)

1. Automatic tuning of simple regulators with specification on phase and amplitude margins
2. Derivation of transfer functions for highly nonlinear distillation columns
3. An improved autotune identification method
4. Use of biased-relay feedback for autotune identification
5. Stability margins and steady-state oscillations in on-off feedback systems
6. The determination of periodic modes in relay systems using the state space approach
7. Conditions for periodicity in control systems containing several relays
8. Low order modeling from relay feedback systems
9. Improving accuracy of autotuning parameter estimates
10. Using limit cycle data for parameter estimation
11. Derivation of transfer functions from relay feedback systems
12. Oscillations in relay systems