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    Item type:Research Data, Access status: with files ,
    The iMEK Vibrotactile Actuator Characterization Database: Dataset Description and Metadata
    The dataset consolidates the standardized characterization of 26 commercial vibrotactile actuators, 22 linear resonant actuators (LRA) and 4 eccentric rotating mass actuators (ERM), obtained on an automated test stand under idle (unloaded) and blocked conditions. For every actuator, the database contains the summary frequency response of acceleration, velocity, displacement, force and mechanical power, the electrical impedance magnitude over frequency, and, for the LRAs, complete stepped frequency sweeps at six drive voltages together with derived drift and bandwidth figures; ERMs carry signal-to-noise sweeps over drive voltage. The note documents the relational schema of all nine tables column by column with units, states known limitations of the current data release, and describes the three access routes: the SQL snapshot published here, a MATLAB interface, and a public web frontend. The dataset is intended as the citable data backbone for a series of publications describing the measurement methodology, the key performance indicators, and the application of the database in haptic research.
    Data Type: Dataset
      36  60
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    Item type:Research Data, Access status: with files ,
    Evaluation Scripts and Data sets for __ Impedance Spectroscopy for Multi-State Analysis of Dissolvable Powders: Determining Layer Thickness and Moisture Content __
    This dataset originates from CRC1615 – Project A07 and comprises preliminary electrochemical impedance spectroscopy (EIS) measurements performed to investigate the potential of sodium benzoate-based coatings for detecting moisture content and layer thickness in fluidized bed environments. The data support a methodological study on the feasibility of in-situ EIS-based monitoring. This data set and processing files is part of a publication that is under review (05.03.2026). For more information, please refer to the accompanying README file in the ZIP folder.
    Data Type: Research Software
      17  21
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    Item type:Research Data, Access status: with files ,
    Dataset and Software for: "Simulation Framework for Electrical Impedance Tomography Systems"
    Context: This dataset contains the underlying research data supporting the findings of the study published in Measurement: Sensors (Elsevier), identified by PII S2665917424003921. The research focuses on Electrical Impedance Tomography, aiming to validate the proposed models and sensor performance. Content: The repository is organized into three primary categories: Code: Includes the source code (e.g., [Python / MATLAB]) used for simulation setup / data processing / algorithm implementation. Simulation Results: Contains the raw and processed output files generated from COMSOL. Measurement Data: Comprises experimental datasets collected EIT Measurements from a custom hardware Possible Reuse: This data is made available to support further research in the field of Electrical Imedanke Timigraphy.
    Data Type: Software ; Data Type: Measurement and Test Data ; Data Type: Simulation Data
      57  33
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    Item type:Research Data, Access status: with files ,
    Supplementary Data for Publication "Powering Mobile Sensor Nodes in Fluidized Beds: A Non-Invasive RF Energy Harvesting Proof-of-Concep"
    This dataset provides the supplementary measurement and 3D simulation data for the manuscript "Powering Mobile Sensor Nodes in Fluidized Beds: A Non-Invasive RF Energy Harvesting Proof-of-Concept". The research demonstrates a retrofittable wireless power transfer system that repurposes a metallic fluidized bed vessel into a 5.23 GHz multi-mode microwave cavity resonator to power battery-free sensor nodes. The provided files include CST Studio Suite electromagnetic simulation models (.cst) that evaluate different standard flanges as microwave feed ports and emulate field attenuation during active liquid injection. Additionally, it contains raw experimental data (.csv) characterizing the power conversion efficiency (PCE) of a custom-designed, compact RF-to-DC rectifier prototype across varying input powers and load resistances. This work is part of the DFG-funded CRC1615 (Project A07).
    Data Type: Simulation Data ; Data Type: Experimental Data
      90  33
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    Item type:Research Data, Access status: with files ,
    A Cost-Efficient, USB Powered and Pattern Flexible Electrical Impedance Tomography System
    Data, source code, and hardware documentation of an USB Powered and Pattern Flexible. It includes Python control software, STM32 firmware, experimental measurements in frequency, time domain and on system level, and PCB design files. Supplementary Data for the Publication: A Cost-Efficient Electrical Impedance Tomography System for Adaptive Process Monitoring.
    Data Type: Source Code ; Data Type: Measurement and Test Data ; Data Type: Technical Documentation
      54  29
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    Item type:Research Data, Access status: with files ,
    Simulation-driven Electrical Impedance Tomography for buoyancy-driven electrolyte mixing: A hybrid hydrodynamic–circuit modeling framework
    This dataset accompanies the article “Simulation-driven Electrical Impedance Tomography for buoyancy-driven electrolyte mixing: A hybrid hydrodynamic–circuit modeling framework” (Measurement, 2025, https://doi.org/10.1016/j.measurement.2025.119745). The data represent a physics- and hardware-consistent, EIT benchmark case of single-phase, buoyancy-driven mixing of an electrolyte in a laboratory-scale vessel. Starting from numerical solutions of the coupled Stokes–Boussinesq and advection–diffusion equations, local solute concentrations are converted into conductivity fields and then mapped onto a multi-electrode EIT tank model implemented as a resistor network. The resulting files include time-resolved concentration and conductivity fields, axisymmetric conductivity maps, and simulated boundary voltage measurements generated with a circuit-level EIT front-end. Together, these materials allow readers to reproduce the forward simulations in the paper, to regenerate key figures, and to use exactly the same ground-truth fields and measurement data for benchmarking alternative EIT reconstruction algorithms and evaluation metrics described in the publication.
    Data Type: Simulation Data ; Data Type: Source Code ; Data Type: Experimental Data
      102  22
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    Item type:Research Data, Access status: with files ,
    Data Supplement to the Article: "Structuring of electrorheological fluids in polymer matrices for miniature actuators"
    (2025-04-09)
    In this upload, all required information for the experimental analysis in the related paper (DOI: 10.1016/j.heliyon.2024.e39138) is included.
    Data Type: Compiled Data
      65  161
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    Item type:Research Data, Access status: with files ,
    Recorded acceleration data of tactile perception on different materials
    Recorded acceleration data of tactile perception on 10 materials measured by HT356A44 from PCB Piezotronics moved by a universal robot on a path
    Data Type: Dataset
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