A master thesis from Aalborg University
Adaptive Control with Self-Tuning for Center-Driven Web Winders
Author(s)
Term
10. term
Publication year
2007
Submitted on
2007-06-07
Pages
90 pages
Abstract
This project deals with the adaptive control of a Center-Driven Web Winder system with dancer feedback. A model was developed and implemented in Simulink. Several adaptive control methods were evaluated and a modified form of Model Identification Adaptive Control was used. The automated controller design is integral optimal control, with a basis in the developed model and estimated plant parameters. The developed adaptive controller was tested on a scale model provided by Danfoss, and it delivered acceptable performance if the control effort weighting parameter is high enough. Two methods for determining the current winder roll radius and one method for determining total system inertia were also developed and tested. Both radius estimation methods delivered acceptable performance, but the inertia estimator only worked reliably when there were enough disturbances to excite the dynamics of the system.
Keywords
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