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标题: "Prescribed-performance position tracking for infinite-dimensional passive systems"
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## Mathematics > Optimization and Control

## Title:Prescribed-performance position tracking for infinite-dimensional passive systems

Authors:[Anthony Hastir](https://arxiv.org/search/math?searchtype=author&query=Hastir,+A), [Timo Reis](https://arxiv.org/search/math?searchtype=author&query=Reis,+T)

[View PDF](https://arxiv.org/pdf/2608.10940) [HTML (experimental)](https://arxiv.org/html/2608.10940v1)

> Abstract:We study funnel control for linear infinite-dimensional passive systems whose controlled output is obtained by integrating the passive output. In mechanical applications, this corresponds to position control based on a measured passive velocity output. Within the system-node framework, we propose a nonlinear recursive funnel controller with a dynamic gain supervisor for systems with distributed or boundary control and observation. The supervisor automatically increases a damping gain whenever the normalized recursive error approaches a prescribed monitoring level. The controller uses the tracking error and its derivative, with the latter obtained directly from the passive output rather than by numerical differentiation. We prove global existence and uniqueness of the closed-loop trajectory, prescribed funnel performance, and global boundedness of the derivative tracking error and the passive output. Under an additional position-compatible strict dissipativity condition, the supervised gain is increased only finitely many times and eventually becomes constant. Consequently, the gain, the internal state, and the control input are globally bounded, and the recursive-error funnel margin is uniform in time. The results are illustrated by a boundary-actuated Euler-Bernoulli beam with uniformly positive distributed damping.

| Subjects: | Optimization and Control (math.OC); Functional Analysis (math.FA) |
| --- | --- |
| MSC classes: | 93C20, 93C25, 93C40, 93D15, 47H05 |
| Cite as: | [arXiv:2608.10940](https://arxiv.org/abs/2608.10940) \[math.OC\] |
|  | (or [arXiv:2608.10940v1](https://arxiv.org/abs/2608.10940v1) \[math.OC\] for this version) |
|  | [https://doi.org/10.48550/arXiv.2608.10940](https://doi.org/10.48550/arXiv.2608.10940) |

## Submission history

From: Anthony Hastir \[[view email](https://arxiv.org/show-email/8d253e74/2608.10940)\]  
**\[v1\]** Tue, 11 Aug 2026 14:09:33 UTC (4,012 KB)

[Which authors of this paper are endorsers?](https://arxiv.org/auth/show-endorsers/2608.10940) | Disable MathJax ([What is MathJax?](https://info.arxiv.org/help/mathjax.html))
