Phase-conditionally Stable Systems  

Oleh:

Albertos, Pedro

Jenis: Article from Article
Dalam koleksi: Final Program and Book of Abstracts: The 4th Asian Control Conference, September 25-27, 2002 (Sep. 2002), page 797-801.
Topik: Time delays; Performance degrading; Decoupling; Computing time delay
Fulltext: AC021107.PDF (170.29KB)

Isi artikel

In this paper, the phase-conditionally-stable feature of a closed loop system is introduced. In any control loop, time delays appear and can produce unexpected changes in the controlled system performances. The possible positive effect of the delays in avoiding oscillatory plant response is considered. For that purpose, the effect of additional measurement delays, filters or dead time in resonant systems, is analyzed. Some examples illustrate the results. Other than the possible practical relevance of the results, the concepts involved are very important for the control engineer.

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