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Oct 12 – 16, 2025
Newport News Marriott at City Center
US/Eastern timezone

Progress review of the cavity characterization and LLRF operation support tools for ESS by TUL-DMCS

Oct 14, 2025, 2:10 PM
2h
Marriott Ballroom I

Marriott Ballroom I

Speaker

Wojciech Cichalewski (Lodz University of Technology - DMCS)

Description

Covering topics such as temperature-dependent capacitance of piezo actuators, fast tuner range and polarity determination, Lorentz force detuning coefficient, cavity mechanical response and π-mode detection, through to real-time firmware-based cavity parameter identification, fast and slow quench detection, and more, LUT-DMCS has developed and validated a comprehensive set of firmware and software tools dedicated to the characterization and operational support of ESS superconducting structures.

This contribution summarizes the development, deployment, and verification of these tools in the ESS Test Stand 2 environment. Selected results from cryomodule testing and parallel LLRF system studies are also discussed.

Abstract Category System and Operation

Authors

Cecilia Meiano (ESS) Dr Grzegorz Jabłoński (Lodz University of Technology - DMCS) Kacper Kłys (Lodz University of Technology - DMCS) Mateusz Nabywaniec (ESS) Paolo Pierini (ESS) Dr Rafał Kiełbik (Lodz University of Technology - DMCS) Wojciech Cichalewski (Lodz University of Technology - DMCS) Prof. Wojciech Tylman (Lodz University of Technology - DMCS)

Presentation materials

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