A High‐Precision Dynamic Movement Recognition Algorithm Using Multimodal Biological Signals for Human–Machine Interaction

Accurate recognition of human dynamic movement is essential for seamless human–machine interaction (HMI) across various domains. However, most of the existing methods are single‐modal movement recognition, which has inherent limitations, such as limited feature representation and instability to nois...

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Veröffentlicht in:Advanced intelligent systems Jg. 7; H. 3
Hauptverfasser: Cao, Chenhao, Ma, Gang, Chen, Zelin, Ouyang, Yiming, Jin, Hu, Zhang, Shiwu
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Weinheim John Wiley & Sons, Inc 01.03.2025
Wiley
Schlagworte:
Accuracy
Algorithms
bioelectrical impedance
Bioelectricity
Classification
dynamic movements
Electrodes
Electromyography
Gloves
Human mechanics
Human motion
human–machine interactions
key postures
Methods
Motion perception
multimodal fusion algorithm
Muscle fatigue
Physiology
Prostheses
Sensors
ISSN:2640-4567, 2640-4567
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Zusammenfassung:Accurate recognition of human dynamic movement is essential for seamless human–machine interaction (HMI) across various domains. However, most of the existing methods are single‐modal movement recognition, which has inherent limitations, such as limited feature representation and instability to noise, which will affect its practical performance. To address these limitations, this article proposes a novel fusion approach that can integrate two biological signals, including electromyography (EMG) and bioelectrical impedance (BI). The fusion method combines EMG for capturing dynamic movement features and BI for discerning key postures representing discrete points within dynamic movements. In this method, the identification of key postures and their temporal sequences provide a guiding framework for the selection and weighted correction of probability prediction matrices in EMG‐based dynamic recognition. To verify the effectiveness of the method, six dynamic upper limb movements and nine key postures are defined, and a Universal Robot that can follow movements is employed for experimental validation. Experimental results demonstrate that the recognition accuracy of the dynamic movement reaches 96.2%, representing an improvement of nearly 10% compared with single‐modal signal. This study illustrates the potential of multimodal fusion of EMG and BI in movement recognition, with broad prospects for application in HMI fields. This article describes a multimodal fusion data acquisition and processing system about electromyography for dynamic movement recognition and bioelectrical impedance for key posture recognition. In addition, a new dynamic–static fusion algorithm strategy is designed. Experimental results demonstrate that proposed algorithm significantly improves the accuracy of movement recognition, and has been successfully applied to the remote control of Universal Robot.
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ISSN:2640-4567
2640-4567
DOI:10.1002/aisy.202400483