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드라이빙 시뮬레이터를 이용한 운전자 상태측정 시스템 개발 및 검증
허환(Hwan Hu),박성수(Sung-Soo Park),이운성(Woon-Sung Lee) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
In this study, we developed a driver status monitoring system that consists of some pressure sensors. We hypothesized that a vigilant driver would respond more frequently and quicker to changes in road situations than a low vigilant driver. In other words, a drowsy driver shows monotonous response to a gas pedal and a steering wheel during driving. Driving simulator was used to investigate a driver status monitoring system. We installed pressure sensors on the gas pedal, the steering wheel and the headrest in a driving simulator cabin and measured the time derivatives of pedal and grip forces with their moving averages. We then determined the critical values of each sensor using experimental results and made a driver status estimation algorithm including the information of a lane deviation. Eye-tracking system was used to evaluate the driver status monitoring system.
차량시뮬레이터 환경에서 운전 중 주의분산에 따른 생체신호 변화 연구
박성수(Sung-Soo Park),허환(Hwan Hu),이운성(Woon-Sung Lee) 대한인간공학회 2010 大韓人間工學會誌 Vol.29 No.1
Driver distraction is a major cause of traffic accidents in Korea. Various measures are being introduced to detect and warn driver distraction. The objective of this research is to invcstigate changes in driver's physiological signals due to distraction during driving. Driving simulator experiments have been canicd out to investigate discrepancy in EEG signals among normal driving, DMB watching during driving, and cellular phone use during driving. Based on the discrepancy, combination of EEG signals have been identfied as candidate variables for detecting driver distraction. Statistical analysis has been carried out to verify their statistical significance.