Analysis of the limit cycles in the PI control of IPD processes with send-on-delta sampling

Analysis of the limit cycles in the PI control of IPD processes with send-on-delta sampling

In this work we focus on the study of limit cycles that appear on an Integrator Process with Time Delay (IPD) controlled by a PI when the feedback is done with an event-based paradigm. We use a level crossing sampling which can be characterized as a non-linearity of n levels with hysteresis, and pos...

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Bibliographic Details
Published in:2012 IEEE International Conference on Control Applications pp. 1609 - 1614
Main Authors: Sombria, J. C., Moreno, J. S., Visioli, A., Bencomo, S. D.
Format: Conference Proceeding
Language:English
Published: IEEE 01-10-2012
Subjects:
Delay
Limit-cycles
Oscillators
Process control
Stability analysis
Switches
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Summary:In this work we focus on the study of limit cycles that appear on an Integrator Process with Time Delay (IPD) controlled by a PI when the feedback is done with an event-based paradigm. We use a level crossing sampling which can be characterized as a non-linearity of n levels with hysteresis, and possibly with saturation. We also study the differences between placing the sampler after the process output or after the control action.
ISBN:9781467345033
1467345032
ISSN:1085-1992
2576-3210
DOI:10.1109/CCA.2012.6402408