Driver ECG Measuring System with a Conductive Fabric-Based Dry Electrode

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The dry electrodes that the automotive manufacturers use to measure electrocardiogram (ECG) signals for driver status monitoring have three technical problems: a lack of attachment flexibility, low ECG signal detection stability, and the potential to harm or irritate the driver. In addition, the complicated signal-conditioning circuits employed by automotive manufacturers to improve the SNR, increase the ECG signal detection stability, and to ensure a wider dynamic range of the electrodes increase the cost and complexity of driver ECG measuring systems. In this paper, we propose a driver ECG measuring system that resolves these three technical issues using a steering wheel covered with a conductive fabric-based dry electrode material, which is manufactured by an electroplating method. In addition, we employ a conductive fabric-shaping procedure in the development of the fabric-based dry electrode to improve the attachment flexibility and to reduce the cost and complexity of the required signal-conditioning circuit. We verify the ECG signal-measuring performance of the proposed system by comparing it with ECG signal measurement results from a clinical ECG monitoring system. In addition, despite applying a simpler signal conditional circuit than those used in conventional ECG measuring systems, we verify that the proposed system achieves higher SNR and ECG signal detection stability than conventional ECG measuring systems through various field tests in actual driving environments.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2018-02
Language
English
Article Type
Article
Keywords

ENHANCEMENT; SENSOR; DESIGN

Citation

IEEE Access, v.6, pp.415 - 427

ISSN
2169-3536
DOI
10.1109/ACCESS.2017.2766098
URI
http://hdl.handle.net/10203/240932
Appears in Collection
GT-Journal Papers(저널논문)
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