Resonance seeking control in an event-triggered discrete-time domain

Resonance tracking control of oscillatory plants whose natural frequency is unknown is investigated from a Lyapunov stability perspective. In particular, an event-triggered discrete-time system is investigated for this purpose. The proposed resonance tuner is time-synchronized with periodic sampling...

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Bibliographic Details
Main Authors: Aldrich, J.B., Badescu, M., Jones, C., Bar-Cohen, Y.
Format: Conference Proceeding
Language:English
Subjects:
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Harmonic analysis
Lyapunov method
Power system modeling
Resonance
Resonant frequency
Sampling methods
Stability
Tuners
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Summary:Resonance tracking control of oscillatory plants whose natural frequency is unknown is investigated from a Lyapunov stability perspective. In particular, an event-triggered discrete-time system is investigated for this purpose. The proposed resonance tuner is time-synchronized with periodic sampling of the harmonic plant's output to ensure that an analytical relationship exists between the period of the driving squarewave and the tracking error. This relation defines a class of discrete-time nonlinear systems whose origin, is shown to be asymptotically stable.
ISSN:0743-1619
2378-5861
DOI:10.1109/ACC.2008.4586934