Experimental Data of the Field Validation of an Arduino-Based Condition Monitoring System for Heliostat Drive Units

This record contains measurement data associated with the publication "Development and Experimental Field Validation of an Arduino-Based Condition Monitoring System for Heliostat Drive Units" [1] by Steinberg et al., published in Energies. This study [1] investigates a cost-efficient Arduino-based condition monitoring system (ACMS) for heliostat drive units (HDUs). The monitoring approach is primarily based on vibration and magnetic flux density measurements acquired directly at the HDUs during operation. The experimental work comprises validation of the ACMS against reference instrumentation, evaluation of its long-term measurement stability, sensitivity analyses under controlled experimental conditions, and an exemplary demonstration. The measurement data were acquired under real field conditions at the DLR solar tower research facility in Jülich, Germany (STJ). Detailed information on the experimental setup, sensor specifications, sensor mounting, measurement procedures, and scientific interpretation is provided in [1]. This record comprises six individual HDF5 files. The core files contain operational time-series data from HDUs, acquired using the developed ACMS and its associated sensors. These data are complemented by reference oscilloscope measurements and associated wind measurements provided in separate HDF5 files.The accompanying README.md describes the structure of the published HDF5 files and explains how to access and interpret their embedded file- and dataset-level metadata, including physical quantities, units, sampling frequencies, conversion parameters, time information, and experiment-specific details. [1] Steinberg, D. et al. (2026) Development and Experimental Field Validation of an Arduino-Based Condition Monitoring System for Heliostat Drive Units. Energies.