• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2001.05a
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• pp.200-203
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• 2001

감성평가 실험시 피험자가 받는 작업부하의 영향을 실시간으로 평가하기 위하여 측정된 심전도 신호로부터 R-peak를 자동적으로 검출하여 심전도 관련 파리미터를 분석하는 시스템을 개발하였다. 이 시스템은 심전도 증폭기, A/D변환기, PC로 구성되었으며 National Instrument 사의 LabVIEW를 사용하여 소프트웨어를 개발하였다. 시스템 동작환경은 Microsoft사의 Window OS를 기반함으로서 시스템 이용자들에게 보다 친숙한 실험환경을 제시할 수 있다. 구현된 시스템은 실시간 HRV, Lorentz plot, LF/HF, HRV power spectrum의 3차원 선도를 디스플레이할 수 있다.

• Science of Emotion and Sensibility
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• v.4 no.1
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• pp.1-5
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• 2001

The evaluation of mental workload is measured by subjective ratings, physiological signals. It takes long time to analysis the measured signals and is very tedious and time-consumming work. Therefore, to evaluate the affect of workload effectively, real-time measurement system is required. In this paper, real-time mental workload measurement system using cardiac autonomic indiced which reflect well the mental workload was developed and evaluated. Analyzed indices were HR, IBI, Lorentz plot, CSI, CVI, and LF/HF ratio of heart rate variability. The system was applied to evaluate the affect of arithmetic task and showed good results. This system was consisted of ECG amplifier, A/D converter, and personal computer, and algorithm was implemented using LabVIEW.