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논문 기본 정보

자료유형
학술저널
저자정보
Sungho Kim (R.O.K. Air Force Academy) Booyong Choi (R.O.K. Air Force Academy) Taehwan Cho (R.O.K. Air Force Academy) Yongkyun Lee (R.O.K. Air Force Academy) Hyojin Koo (R.O.K. Air Force Academy) Dongsoo Kim (R.O.K. Air Force Academy)
저널정보
대한인간공학회 대한인간공학회지 대한인간공학회지 제35권 제5호
발행연도
2016.10
수록면
371 - 381 (11page)

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초록· 키워드

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Objective:This study aims to evaluate the features of heart rate variability (HRV) and respiratory signals as indices for a driver"s drowsiness and waking status in order to develop the classification model for a driver"s drowsiness and waking status using those features.
Background: Driver"s drowsiness is one of the major causal factors for traffic accidents. This study hypothesized that the application of combined bio-signals to monitor the alertness level of drivers would improve the effectiveness of the classification techniques of driver"s drowsiness.
Method: The features of three heart rate variability (HRV) measurements including low frequency (LF), high frequency (HF), and LF/HF ratio and two respiratory measurements including peak and rate were acquired by the monotonous car driving simulation experiments using the photoplethysmogram (PPG) and respiration sensors. The experiments were repeated a total of 50 times on five healthy male participants in their 20s to 50s. The classification model was developed by selecting the optimal measurements, applying a binary logistic regression method and performing 3-fold cross validation.
Results: The power of LF, HF, and LF/HF ratio, and the respiration peak of drowsiness status were reduced by 38%, 22%, 31%, and 7%, compared to those of waking status, while respiration rate was increased by 3%. The classification sensitivity of the model using both HRV and respiratory features (91.4%) was improved, compared to that of the model using only HRV feature (89.8%) and that using only respiratory feature (83.6%).
Conclusion: This study suggests that the classification of driver"s drowsiness and waking status may be improved by utilizing a combination of HRV and respiratory features.
Application: The results of this study can be applied to the development of driver"s drowsiness prevention systems.

목차

1. Introduction
2. Method
3. Results
4. Discussion
References

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UCI(KEPA) : I410-ECN-0101-2017-530-001948590