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Design of decoupled PID controllers for MIMO systems
KTH, Superseded Departments, Signals, Sensors and Systems.ORCID iD: 0000-0001-9940-5929
2001 (English)In: Proceedings of the 2001 American Control Conference, IEEE , 2001, 2015-2020 p.Conference paper, Published paper (Refereed)
Abstract [en]

The design of PID controllers for systems with interacting loops is discussed. It is important to deal with the interaction at the lower-level loops, since supervisory control based on for instance MPC seldom has sufficient bandwidth. A new scheme based on modified scalar PID design and static decoupling is developed, where the frequency characteristics of the coupling between the lower-level loops is taken into account. This leads to a design method emphasizing the trade-off between the individual loop performances and the so called interaction indices. The controller is easily implemented, due to its simple configuration based on standard components. The method is applied to a couple of examples.

Place, publisher, year, edition, pages
IEEE , 2001. 2015-2020 p.
Keyword [en]
Bandwidth, Control systems, Design methodology, Frequency, MIMO, Predictive control, Predictive models, Supervisory control, Three-term control, Weight control
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-81057DOI: 10.1109/ACC.2001.946038ISBN: 0-7803-6495-3 (print)OAI: oai:DiVA.org:kth-81057DiVA: diva2:497056
Conference
American Control Conference , Arlington, VA
Note
QC 20120228Available from: 2012-02-28 Created: 2012-02-10 Last updated: 2012-02-28Bibliographically approved

Open Access in DiVA

pid_acc01(209 kB)835 downloads
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