Professur Mess- und Sensortechnik
Professur Mess- und Sensortechnik
Professur Mess- und Sensortechnik 
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Dr. Ahmed Yahia Kallel
Telefon: 36208
Raum: Reichenhainer Straße 70, Weinhold-Bau, C25.205 (alt: 2/W205)
E-Mail:

Research Topics

  • Impedance spectroscopy: data processing, analysis and modeling using equivalent circuit modeling and distribution of relaxation times
  • Digital signal processing for generic and embedded computational systems
  • Excitation signal design
  • Estimation theory (Kalman filter and variants, particle filter)
  • Non-linear research optimization (Meta-heursitics and gradient-based deterministic methods)
  • Application: Li-ion battery state-of-health and charge determination, measurement of wearable
    • bioimpedance devices, cables fault localization and diagnosis

Expertise

  • Electronic
    • Analog circuit design and simulation (LTSPICE)
    • Embedded system design based on microcontrollers and printed circuit boards
    • PCB circuit design EAGLE.
  • Computer Skills
    • Programming Language: VB.NET, Python, MATLAB, C, Javascript, PHP
    • Office tools: Microsoft Office (Word, Excel, Powerpoint, Outlook), LaTeX
    • Data science, artificial intelligence, algorithmic and shallow learning mainly focusing on supervised learning and regression (Python, MATLAB, Orange)
    • Embedded Microcontroller programming (C on STM32, Arduino)
    • Human-interface frontend graphical design and programming (VB.NET)
    • Creative programming for animation and video (Processing/Java)
    • Programming and modeling for 3D graphics (VB.NET, Ogre, Irrlicht, OpenGL, WebGL; 3Ds max 5/2011)
    • Website development and maintenance (HTML5, CSS3, JQuery, Javascript, PHP,Flask)

Available Projects

Please check This page.

Trivia

Before making Ph.D., I used to program a lot of programs and tools and create cool 3D tracks (1 and 2) and cars for a game called Re-Volt. I also used to make a lot of add-ins and features in PHP/JQuery/Javascript/CSS/HTML in the now-defunct Re-Volt Live forum. Now I make cool research papers, too.
My blog
Publikationen: 55

2025

1 Publication
Fast processing and classification of epileptic seizures based on compressed EEG signals
Autoren: Djemal, A.; Kallel, A. Y.; Ouni, C.; El Baccouch, R.; Bouchaala, D.; Kammoun Feki, F.; Charfi Triki, C.; Fakhfakh, A.; Kanoun, O.
Quelle: In: Computers in Biology and Medicine. - Elsevier BV. - 184. 2025, 109346 | DOI: 10.1016/j.compbiomed.2024.109346

2024

8 Publications
An Auto-calibrated Measurement System for One-dimensional Matrices of Impedimetric Sensors
Autoren: Hu, Z.; Kallel, A. Y.; Lu, T.; Al-Hamry, A.; Kanoun, O.
Quelle: In: IEEE Sensors Journal. - Institute of Electrical and Electronics Engineers (IEEE). 2024, S. 1 - 1 | DOI: 10.1109/jsen.2024.3366948
High-performance efficient embedded systems for impedance spectroscopy: Challenges and potentials
Autoren: Kanoun, O.; Kallel, A. Y.
Quelle: In: Electrochimica Acta. - Elsevier BV. 2024, 144351. - 12th International Symposium On EIS | DOI: 10.1016/j.electacta.2024.144351
Enhancing Embedded Impedance Spectroscopy through Optimized Multisine Signal Design: Application to Li-ion batteries
Autoren: Kallel, A. Y.; Kanoun, O.
Quelle: In: tm - Technisches Messen. - Walter de Gruyter GmbH. - 91. 2024, s1, S. 78 - 83 | DOI: 10.1515/teme-2024-0054
Explainable Feature Engineering for Multi-Modal Tissue State Monitoring Based on Impedance Spectroscopy
Autoren: Guermazi, M.; Kallel, A. Y.; Kanoun, O.
Quelle: In: Sensors. - MDPI. - 24. 2024, 16, 5209 | DOI: 10.3390/s24165209

2023

10 Publications
Load in the Loop Dual Howland Current Source for Wide Frequency Bandwidth and Wide Load Range Bioimpedance Measurements
Autoren: Nouri, H.; Bouchaala, D.; Zhao, Y.; Kallel, A. Y.; Kanoun, O.
Quelle: In: IEEE Transactions on Instrumentation and Measurement. - Institute of Electrical and Electronics Engineers (IEEE). 2023 | DOI: 10.1109/tim.2023.3325511
Discrete Interval Binary Sequence for Stable and Stationary Impedance Spectroscopy of Li-Ion Batteries
Autoren: Kallel, A. Y.; Fischer, A.; Kanoun, O.
Quelle: In: IEEE Transactions on Instrumentation and Measurement, Vol. 73. - Institute of Electrical and Electronics Engineers (IEEE). 2023, S. 1 - 10 | DOI: 10.1109/tim.2023.3335517
Correction of DC Bias in Embedded Impedance Spectroscopy Based on Excitation by DC/DC Converters for Li-Ion Batteries
Autoren: Kallel, A. Y.; Nouri, H.; Keutel, T.; Boughanmi, H.; Fischer, A.; Kanoun, O.
Quelle: In: IEEE Transactions on Instrumentation and Measurement. - Institute of Electrical and Electronics Engineers (IEEE). - 73. 2024, S. 1 - 9 | DOI: 10.1109/tim.2023.3335529
A Biodegradable Bioactive Glass-Based Hydration Sensor for Biomedical Applications
Autoren: Gharbi, A.; Kallel, A. Y.; Kanoun, O.; Cheikhrouhou-Koubaa, W.; Contag, C. H.; Antoniac, I.; Derbel, N.; Ashammakhi, N.
Quelle: In: Micromachines. - MDPI AG. - 14. 2023, 1, 226 | DOI: 10.3390/mi14010226

2022

15 Publications
Self-Calibrated AC Zero Potential Circuit for Two-Dimensional Impedimetric Sensor Matrices
Autoren: Hu, Z.; Chen, D.; Kallel, A. Y.; Wang, S.; Kanoun, O.
Quelle: In: IEEE Sensors Journal. - Institute of Electrical and Electronics Engineers (IEEE). - 22. 2022, 6, S. 6002 - 6009 | DOI: 10.1109/jsen.2022.3147038
Multiple Faults Detection and Location in Bus-shaped Cable Networks by Distributed Time-Domain Reflectometry
Autoren: Haddad, D.; Kallel, A. Y.; Essoukri Ben Amara, N.; Kanoun, O.
Quelle: In: IEEE Sensors Letters. - Institute of Electrical and Electronics Engineers (IEEE). 2022 | DOI: 10.1109/lsens.2022.3170645
Impedance Spectroscopy: Applications, Advances and Future Trends
Autoren: Kanoun, O.; Kallel, A. Y.; Nouri, H.; Ben Atitallah, B.; Haddad, D.; Hu, Z.; Talbi, M.; Al-Hamry, A.; Munja, R.; Wendler, F.; Barioul, R.; Keutel, T.; Mangler, A.
Quelle: In: IEEE Instrumentation & Measurement Magazine. - Institute of Electrical and Electronics Engineers (IEEE). - 25. 2022, 3, S. 11 - 21 | DOI: 10.1109/mim.2022.9759355
Comparative Study of Measurement Methods for Embedded Bioimpedance Spectroscopy Systems
Autoren: Ben Atitallah, B.; Kallel, A. Y.; Bouchaala, D.; Derbel, N.; Kanoun, O.
Quelle: In: Sensors. - MDPI AG. - 22. 2022, 15, 5801 | DOI: 10.3390/s22155801
Real-Time Monitoring of Cables Based on Network Interface Controllers for Predictive Maintenance
Autoren: Kallel, A. Y.; Haddad, D.; Keutel, T.; Kanoun, O.
Quelle: In: IEEE Transactions on Instrumentation and Measurement. - Institute of Electrical and Electronics Engineers (IEEE). - 71. 2022, S. 1 - 8 | DOI: 10.1109/tim.2022.3197799
Crest Factor Optimization for Multisine Excitation Signals with Logarithmic Frequency Distribution Based on a Hybrid Stochastic-Deterministic Optimization Algorithm
Autoren: Kallel, A. Y.; Kanoun, O.
Quelle: In: Batteries. - MDPI AG. - 8. 2022, 10, 176 | DOI: 10.3390/batteries8100176
Measurement Methods for Capacitances in the Range of 1 pF-1 nF: A review
Autoren: Kanoun, O.; Kallel, A. Y.; Fendri, A.
Quelle: In: Measurement. - Elsevier BV. - 195. 2022, 111067 | DOI: 10.1016/j.measurement.2022.111067
Comparative Study of AC Signal Analysis Methods for Impedance Spectroscopy Implementation in Embedded Systems
Autoren: Kallel, A. Y.; Hu, Z.; Kanoun, O.
Quelle: In: Applied Sciences. - MDPI AG. - 12. 2022, 2, 591 | DOI: 10.3390/app12020591
State-of-Health of Li-Ion Battery Estimation Based on the Efficiency of the Charge Transfer Extracted from Impedance Spectra
Autoren: Kallel, A. Y.; Petrychenko, V.; Kanoun, O.
Quelle: In: Applied Sciences. - MDPI AG. - 12. 2022, 2, 885 | DOI: 10.3390/app12020885
First biodegradable bioactive glass-based humidity sensor
Autoren: Gharbi, A.; Kallel, A. Y.; Kanoun, O.; Cheikhrouhou-Koubaa, W.; Contag, C. H.; Antoniac, I.; Derbel, N.; Ashammakhi, N.
Quelle: | DOI: 10.1101/2022.12.06.519262
On the design of multisine signals for maintaining stability condition in impedance spectroscopy measurements of batteries
Autoren: Kallel, A. Y.; Kanoun, O.
Quelle: In: Journal of Energy Storage. - Elsevier BV. - 58. 2023, 106267 | DOI: 10.1016/j.est.2022.106267
Intelligente Sensoren für die Zukunft - Die Analoge Seite der Digitalisierung
Autoren: Kanoun, O.; Viehweger, C.; Keutel, T.; Nasraoui, S.; Fischer, A.; Rajendran, D.; Kallel, A. Y.; Ben Atitallah, B.; Adiraju, A.
Quelle: In: Jahresmagazin Mess- und Sensortechnik 2022/2023. -ALPHA Informationsgesellschaft mbH . 2022, S. 62 - 68

2021

10 Publications
Critical implementation issues of excitation signals for embedded wearable bioimpedance spectroscopy systems with limited resources
Autoren: Kallel, A. Y.; Bouchaala, D.; Kanoun, O.
Quelle: In: Measurement Science and Technology. - IOP Publishing. 2021 | DOI: 10.1088/1361-6501/abf78e
Identification of Communication Cables Based on Scattering Parameters and a Support Vector Machine Algorithm
Autoren: Bader, O.; Haddad, D.; Kallel, A. Y.; Hassine, T.; Essoukri Ben Amara, N.; Kanoun, O.
Quelle: In: IEEE Sensors Letters. - IEEE. - 5. 2021, 7, S. 1 - 4 | DOI: 10.1109/LSENS.2021.3087539

2020

4 Publications
Calibration of an AC Zero Potential Circuit for Two-Dimensional Impedimetric Sensor Matrices
Autoren: Hu, Z.; Ramalingame, R.; Kallel, A. Y.; Wendler, F.; Kanoun, O.; Fang, Z.
Quelle: In: IEEE Sensors Journal. - New York : IEEE. - 20. 2020, 9, S. 5019 - 5025 | DOI: 10.1109/JSEN.2020.2966141

2019

6 Publications
Measurement System for Lossy Capacitive Sensors: Application to Edible Oils Quality Assessment
Autoren: Fendri, A.; Kallel, A. Y.; Nouri, H.; Ghariani, H.; Kanoun, O.
Quelle: In: Sensors. - MDPI AG. - 19. 2019, 19, S. 4299 | DOI: 10.3390/s19194299

2017

1 Publication
Journal Articles (peer-reviewed):23
Journal Articles (not peer-reviewed):1
Conference Papers (peer-reviewed):27
Conference (others): 2
Preprints: 1
Dissertations: 1