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Engineering Proceedings
Volume 148
Issue 1
10.3390/engproc2026148011
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Proceeding Paper

Infrared-Based Detection of Muscle Contraction for Control Signal Generation †

by
Ana Cristina Feneșan
*,
Alexandru Ianoși-Andreeva-Dimitrova
and
Silviu Dan Mândru
Department of Mechatronics and Machine Dynamics, Technical University of Cluj-Napoca, 400641 Cluj-Napoca, Romania
*
Author to whom correspondence should be addressed.
†
Presented at the International Conference on Electromagnetic Fields, Signals and BioMedical Engineering (ICEMS-BIOMED), Suceava, Romania, 7–9 May 2026.
Eng. Proc. 2026, 148(1), 11; https://doi.org/10.3390/engproc2026148011
Published: 6 July 2026
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Abstract

This study presents the development of a photoplethysmography (PPG)-based system for detecting muscle contractions. Utilizing a non-invasive approach, the system measures blood volume variations in tissues, which correlate with muscle activity. A photodiode connected to a National Instruments data acquisition system captures PPG signals, which are then analyzed using signal processing software. The processed signals generate control commands for a motor integrated into rehabilitation devices. This innovative method facilitates the monitoring and stimulation of muscle activity, enhancing the efficacy of rehabilitation technologies while ensuring a non-invasive experience for patients.
Keywords: photoplethysmography; muscle contraction; signal processing; rehabilitation devices photoplethysmography; muscle contraction; signal processing; rehabilitation devices

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MDPI and ACS Style

Feneșan, A.C.; Ianoși-Andreeva-Dimitrova, A.; Mândru, S.D. Infrared-Based Detection of Muscle Contraction for Control Signal Generation. Eng. Proc. 2026, 148, 11. https://doi.org/10.3390/engproc2026148011

AMA Style

Feneșan AC, Ianoși-Andreeva-Dimitrova A, Mândru SD. Infrared-Based Detection of Muscle Contraction for Control Signal Generation. Engineering Proceedings. 2026; 148(1):11. https://doi.org/10.3390/engproc2026148011

Chicago/Turabian Style

Feneșan, Ana Cristina, Alexandru Ianoși-Andreeva-Dimitrova, and Silviu Dan Mândru. 2026. "Infrared-Based Detection of Muscle Contraction for Control Signal Generation" Engineering Proceedings 148, no. 1: 11. https://doi.org/10.3390/engproc2026148011

APA Style

Feneșan, A. C., Ianoși-Andreeva-Dimitrova, A., & Mândru, S. D. (2026). Infrared-Based Detection of Muscle Contraction for Control Signal Generation. Engineering Proceedings, 148(1), 11. https://doi.org/10.3390/engproc2026148011

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