Low Cost Inertial Measurement Unit for Motion Capture in Biomedical Applications

被引：2

作者：

Lourenco, Joao ^{[1
]}

Martins, Leonardo ^{[2
]}

Almeida, Rui ^{[1
]}

Quaresma, Claudia ^{[3
]}

Vieira, Pedro ^{[3
]}

机构：

[1] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Phys, LIBPhys UNL, P-2829516 Monte De Caparica, Portugal

[2] Univ Nova Lisboa, Inst Dev New Technol, P-2829516 Caparica, Portugal

[3] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Phys, LIBPhys, P-2829516 Monte De Caparica, Portugal

来源：

TECHNOLOGICAL INNOVATION FOR CYBER-PHYSICAL SYSTEMS | 2016年 / 470卷

关键词：

Motion capture; Sensor fusion; Cyber-physical systems; Home rehabilitation; Work risk analysis; VISION; RECOGNITION; SENSORS;

D O I：

10.1007/978-3-319-31165-4_16

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A low-cost inertial measurement unit has been developed for accurate motion capture, allowing real-time spatial position registration (linear and angular) of the user's whole-body. For this, we implemented a dedicated circuit for 9 degrees of freedom motion sensors, composed of an accelerometer, gyroscope and a magnetometer. We also applied signal processing and data fusion algorithms to prevent the inherent drift of the position signal. This drift is known to exist during the sensor integration process and the implemented algorithms showed promising results. This system is meant to be used in two specific biomedical applications. The first one is linked to the development of a low-cost system for gait analysis of the whole-body, which can be used in home-based rehabilitation systems. The second application is related to the real-time analysis of working postures and the identification of ergonomic risk factors for musculoskeletal disorders.

引用

页码：151 / 158

页数：8

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