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PreprintCC BY-SA 4.0arXiv

Event-Triggered Funnel Control for Output Reference Tracking of Unknown Nonlinear Systems

  • Janina Schaa
  • Thomas Berger
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Abstract

We propose an event-triggered zero-order hold implementation of the funnel controller for output reference tracking of unknown nonlinear systems. The control input is updated only when the deviation between the current and the last transmitted input exceeds a prescribed threshold, reducing the number of input updates while maintaining closed-loop performance guarantees by incorporating an auxiliary integral state to compensate for the error introduced by the zero-order-hold input. We establish a uniform lower bound on the inter-event intervals excluding Zeno behavior, and show that the same closed-loop guarantees hold for any predefined sampling schedule with sufficiently short sampling intervals. The theoretical results are illustrated by numerical simulations.

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Cite

BibTeXRIS
BibTeX
@misc{schaa2026eventtriggered,
  title = {{Event-Triggered Funnel Control for Output Reference Tracking of Unknown Nonlinear Systems}},
  author = {Janina Schaa and Thomas Berger},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.22153},
  eprint = {2610.22153},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.22153},
  note = {CC BY-SA 4.0},
}
RIS
TY  - UNPB
TI  - Event-Triggered Funnel Control for Output Reference Tracking of Unknown Nonlinear Systems
AU  - Janina Schaa
AU  - Thomas Berger
PY  - 2026
DA  - 2026/10/15
PB  - arXiv
DO  - 10.48550/arxiv.2610.22153
UR  - https://arxiv.org/abs/2610.22153
AB  - We propose an event-triggered zero-order hold implementation of the funnel controller for output reference tracking of unknown nonlinear systems. The control input is updated only when the deviation between the current and the last transmitted input exceeds a prescribed threshold, reducing the number of input updates while maintaining closed-loop performance guarantees by incorporating an auxiliary integral state to compensate for the error introduced by the zero-order-hold input. We establish a uniform lower bound on the inter-event intervals excluding Zeno behavior, and show that the same closed-loop guarantees hold for any predefined sampling schedule with sufficiently short sampling intervals. The theoretical results are illustrated by numerical simulations.
ER  -