期刊
SENSORS
卷 22, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/s22134898
关键词
motion capture; inertial magnetic sensors; signal processing; kinematics; articular amplitude; upper limb; optical motion capture; optical analysis
资金
- Universidad Pedagogica y Tecnologica de Colombia [SGI 2947]
This paper presents a model that transforms digital signals into kinematic information and displays it in a virtual environment. The performance and error analysis of the model are evaluated through tests on upper limb movements.
This paper presents a model that enables the transformation of digital signals generated by an inertial and magnetic motion capture system into kinematic information. First, the operation and data generated by the used inertial and magnetic system are described. Subsequently, the five stages of the proposed model are described, concluding with its implementation in a virtual environment to display the kinematic information. Finally, the applied tests are presented to evaluate the performance of the model through the execution of four exercises on the upper limb: flexion and extension of the elbow, and pronation and supination of the forearm. The results show a mean squared error of 3.82 degrees in elbow flexion-extension movements and 3.46 degrees in forearm pronation-supination movements. The results were obtained by comparing the inertial and magnetic system versus an optical motion capture system, allowing for the identification of the usability and functionality of the proposed model.
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