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Design of digital multi-rate controller using frequency domain analysis
, B. Umamaheswari, R.C. Panda
Published in
Volume: 17
Issue: 4
Pages: 675 - 684
Multi-rate controllers are useful in providing fast control updates using slow measurements. The multi-rate control loop involves up-sampling, down-sampling, and systems considered at different timescales. The challenge is then, to present complete frequency domain model of the loop. This paper presents the frequency domain model of the loop which is suitable for analysis and design of controllers. The approach is illustrated through a numerical example. © 2008 World Scientific Publishing Company.
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JournalJournal of Circuits, Systems and Computers