지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.12
- 수록면
- 453 - 465 (13page)
- DOI
- 10.5143/JESK.2021.40.6.453
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초록· 키워드
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Objective: The purpose of this study is to derive errorless response curves according to the driver"s body dimensions when the driver uses a touch screen in a manual driving situation.
Background: Drivers are exposed to the risk of safety accidents due to the trend that vehicle systems introduce more auxiliary functions during on road driving. Research on the design of touch screen is needed to minimize arriver"s movement required for the touch operation on a touch screen and to ensure safe operations based on driver"s anthropometric capabilities.
Method: 25, 50, 75, and 95 percentiles of subjects were recruited based on Korean anthropometric distribution of males and females, and experiments were conducted through a driving simulator with a touch screen. Subjects are asked to touch buttons on a touch screen as an auxiliary task while operating the primary driving task. The location of the touch screen is designated based on the posture and position in which each driver can drive comfortably. The distances were then measured with respect to the shoulder joint, and the angle is designated based on the center point between the hip joints. As an objective indicator, the error rate (%) was measured from the touch screen operations. After each set of touch screen tasks was performed, a discomfort survey, as a subjective indicator, was conducted. Design of experiment was completely randomized. with all three levels of combinations for three independent variables: button size, distance, and angle. As a result, safe or errorless response curves were generated according to subjects" gender and anthropometry.
Results: The button size, distance, and angle appeared to affect the error rate. The interactions of Distance × Button size and Distance × Angle were found to have significant effects between variables. As a result of statistical analysis on discomfort, it was confirmed that there were significant differences in button size, distance, and angle, but there was no interaction between independent variables. A trigonometric equation was used to replace the combination of the distance and angle variables with zero error rates (%) in X and Y coordinates. The substituted x and y coordinates are expressed to generate reaction curves over the X and Y coordinates where the center point between the hip joints is zero (0, 0). The errorless response curve at different locations for each human body dimension distribution was confirmed.
Conclusion: This experiment is expected to serve as a guidance for the design of touch screens via errorless reaction curves for using the touch screen in a posture and position where the driver can comfortably drive manually. To minimize the movement of the driver and to safely perform the task of using the touch screen, which is an auxiliary task, the position of the touch screen was tested at the height of the steering wheel. As a result of the experiment, an errorless reaction curve at the height level of the steering wheel was derived when using the touch screen according to the driver"s human body dimension distribution.
Application: This study can be applied to ensure safety by minimizing the driver movement when using any in-vehicle infortainment systems with a touch screen, where more auxiliary functions are being introduced. It also suggests an errorless or safe location of a touch screen at the height level of the steering wheel.
Background: Drivers are exposed to the risk of safety accidents due to the trend that vehicle systems introduce more auxiliary functions during on road driving. Research on the design of touch screen is needed to minimize arriver"s movement required for the touch operation on a touch screen and to ensure safe operations based on driver"s anthropometric capabilities.
Method: 25, 50, 75, and 95 percentiles of subjects were recruited based on Korean anthropometric distribution of males and females, and experiments were conducted through a driving simulator with a touch screen. Subjects are asked to touch buttons on a touch screen as an auxiliary task while operating the primary driving task. The location of the touch screen is designated based on the posture and position in which each driver can drive comfortably. The distances were then measured with respect to the shoulder joint, and the angle is designated based on the center point between the hip joints. As an objective indicator, the error rate (%) was measured from the touch screen operations. After each set of touch screen tasks was performed, a discomfort survey, as a subjective indicator, was conducted. Design of experiment was completely randomized. with all three levels of combinations for three independent variables: button size, distance, and angle. As a result, safe or errorless response curves were generated according to subjects" gender and anthropometry.
Results: The button size, distance, and angle appeared to affect the error rate. The interactions of Distance × Button size and Distance × Angle were found to have significant effects between variables. As a result of statistical analysis on discomfort, it was confirmed that there were significant differences in button size, distance, and angle, but there was no interaction between independent variables. A trigonometric equation was used to replace the combination of the distance and angle variables with zero error rates (%) in X and Y coordinates. The substituted x and y coordinates are expressed to generate reaction curves over the X and Y coordinates where the center point between the hip joints is zero (0, 0). The errorless response curve at different locations for each human body dimension distribution was confirmed.
Conclusion: This experiment is expected to serve as a guidance for the design of touch screens via errorless reaction curves for using the touch screen in a posture and position where the driver can comfortably drive manually. To minimize the movement of the driver and to safely perform the task of using the touch screen, which is an auxiliary task, the position of the touch screen was tested at the height of the steering wheel. As a result of the experiment, an errorless reaction curve at the height level of the steering wheel was derived when using the touch screen according to the driver"s human body dimension distribution.
Application: This study can be applied to ensure safety by minimizing the driver movement when using any in-vehicle infortainment systems with a touch screen, where more auxiliary functions are being introduced. It also suggests an errorless or safe location of a touch screen at the height level of the steering wheel.
목차
1. Introduction
2. Experiment
3. Results
4. Discussion and Conclusion
References
참고문헌 (11)
참고문헌 신청
Abramowitz, M. / 1972 / Handbook of mathematical functions with formulas, graphs, and mathematical tables (Vol. 55) / US Government printing office
Choi, D. K. / 2019 / IoT-Based Resource Control for In-Vehicle Infotainment Services: Design and Experimentation / Sensors 19(3):620
Fitch, G. M. / 2013 / The impact of hand-held and hands-free cell phone use on driving performance and safety-critical event risk
Harvey, C. / 2011 / In-vehicle information systems to meet the needs of drivers / Intl. Journal of Human-Computer Interaction 27(6):505~522
William J. Horrey / 2006 / Modeling drivers' visual attention allocation while interacting with in-vehicle technologies. / Journal of Experimental Psychology: Applied 12(2):67~78
Choi, D. K. / 2019 / IoT-Based Resource Control for In-Vehicle Infotainment Services: Design and Experimentation / Sensors 19(3):620
Fitch, G. M. / 2013 / The impact of hand-held and hands-free cell phone use on driving performance and safety-critical event risk
Harvey, C. / 2011 / In-vehicle information systems to meet the needs of drivers / Intl. Journal of Human-Computer Interaction 27(6):505~522
William J. Horrey / 2006 / Modeling drivers' visual attention allocation while interacting with in-vehicle technologies. / Journal of Experimental Psychology: Applied 12(2):67~78
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