[논문]가상현실 기반 체험형 전기안전 교육 시스템의 개발 및 효과 분석

전정채

doi:10.5370/kiee.2016.65.10.1767

가상현실 기반 체험형 전기안전 교육 시스템의 개발 및 효과 분석
Development and Effect Analysis of Experiential Electrical Safety Education System Based on Virtual Reality 원문보기

전기학회논문지 = The Transactions of the Korean Institute of Electrical Engineers, v.65 no.10, 2016년, pp.1767 - 1773

전정채 (Electrical Safety Research Institute, Korea Electrical Safety Co.)

Abstract ▼ AI-Helper

Every year, lives are lost due to electrical safety accidents that could have been prevented with proper education and awareness of electrical safety. To prevent such accidents, experiential education is more effective than indoctrination education. This paper describes the electrical safety education system based on virtual reality (VR) and evaluates effect of the proposed system. Users operated the experiential electrical safety education system, and they were provided electrical stimulation in an electric shock experience using a haptic device. Appropriate stimulation values were calculated according to age (children vs. adults) and gender through experiment. The scenario in which participants experience electrical safety in the home environment was structured, and related educational contents was produced. A total of 68 healthy elementary students evaluated the educational effect of the system. The results showed that the educational effect and the sustainability of effect of the proposed system are superior to those of existing multimedia learning methods. By implementing electrical safety education stimulating the senses of human, the learning effect was promoted and this experiential education would be able to prevent electrical accidents.

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문제 정의

This paper presents an electrical safety education system that considers the occurrence characteristics of electric shock and electrical fires. The proposed system provides appropriate levels of stimulation in the electric shock situation unlike existing media education based on images and text.

제안 방법

The electric shock stimulation used was 8 mA. After a 1-minute break, the behavior test program was performed to measure arousal in electrical safety situations for five minutes, and participants answered 20 questions from the questionnaire for five minutes. Finally, the behavior test program and questionnaire measured the external and implicit education effects again after 1 month.
This paper used a questionnaire and behavioral experiment to measure the explicit and implicit education effects of the experiential electrical safety education system. In addition, a pretest, posttest, and test after 1 month were used to measure the implicit education effect of the experimental group.
The experimental group(N=33) completed the questionnaire for five minutes. Next, they completed the behavior test program for five minutes after sufficient practice measures on arousal in electrical safety situations. After the behavior test program, participants freely sought dangerous electrical situations in the five safety modules, and they were presented with electrical stimulation ten times over 15 minutes using the proposed system as shown Fig.
The experiential electrical safety education system combined the techniques of applying electrical stimulation and immersive electrical safety education, and the effects were measured. The experiential electrical safety education method was more effective than video education, because the system was able to solve the problems of the existing learning method(i.
The system projects three-dimensional electrical safety content on a 140° curved screen through a projector and media server installed in the rear of the screen.
This paper used a questionnaire and behavioral experiment to measure the explicit and implicit education effects of the experiential electrical safety education system. In addition, a pretest, posttest, and test after 1 month were used to measure the implicit education effect of the experimental group.

대상 데이터

An IFC-type low-frequency stimulator, STI-300, which could adjust the current stimulation from 1 mA to 50 mA, was used to calculate electric stimulation values on the human body that could be applied to the electric shock experience system. A total of 66 healthy volunteers participated in the experiment 38 males(11 children, 27 adults) and 28 females(13 children, 15 adults)). Before the experiment, data influencing current stimulation values — such as height, weight, age, and gender — was collected.
A total of 68 healthy elementary students(7–12 years old) participated in the experiment to evaluate the education effect of the proposed system.
0[6]. One hundred pictures (consisting of an electrical safety situation stimulation(25 pictures, dangerous electrical situation stimulation(25 pictures), general electrical safety situation stimulation(25 pictures), and general dangerous electrical situation stimulation(25 pictures)) were designed, and each picture was randomly presented as show Fig. 7. In the behavior test program, pictures were presented after presenting a fixed point to participants to ensure eye fixation for 1 second.

데이터처리

The independent variable was treatment level(experimental and control group), and the dependent variable was the reminder of reaction time between the pretest and posttest. Differences between the pretest and posttest and between treatment levels were analyzed with a sample t-test.
The independent variable was treatment level(experimental and control group), and the dependent variable was the questionnaire result. Differences in the total scores of the pretest and posttest were evaluated with an independent two-sample t-test according to treatment level.
The independent variable was test time (pre/post/after 1 month), and the dependent variable was reaction time on electrical safety stimulation. The difference in reaction time according to test time was measured using a one-way analysis of variance (ANOVA).

참고문헌 (8)

Korea Electrical Safety Corporation, "A Statistical Analysis on the Electrical Accident (2012)," 2013
Korea Electrical Safety Corporation, "A Statistical Analysis on the Electrical Accident (2013)," 2014
Korea Electrical Safety Corporation, "A Statistical Analysis on the Electrical Accident (2014)," 2015
Wang Meiliang and Pan Qiaoming, "Design of Safety Education System for Children Based on Virtual Reality Technology" 2012 International Conference on Computer Science and Electronics Engineering, pp. 196-199
Dong Zhao, Jason Lucas and Walid Thabet, "Using Virtual Environments to Support Electrical Safety Awareness in construction", Proceedings of the 2009 Winter Simulation Conference, pp. 2679-2689
P. Desbiens, A. Daigle, E. Garant, R, Gauthier, A. Shaikh and J. C. Rizzi, "Design and Operation of a Virtual Reality Operator-Training System, IEEE Transactions on Power Systems, Vol. 11, No. 3, pp. 1585-1591, August 1996

상세보기
Jacky C. P. Chan, Howard Leung, Jeff K. T. Tang and Taku Komura, "A Virtual Reality Dance Training System Using Motion Capture Technology", IEEE Transactions on Learning Technologies, Vol. 4, No. 2, pp. 187-195, April-June 2011

상세보기
Takayuki Furuta, Masanori Takemura, Junzo Tsujita and Yoshitaka Oku, "Interferential Electric Stimulation Applied to the Neck Increases Swallowing Frequency," Springer Science+Business Media, pp. 94-100, LLC 2011

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가상현실 기반 체험형 전기안전 교육 시스템의 개발 및 효과 분석
Development and Effect Analysis of Experiential Electrical Safety Education System Based on Virtual Reality 원문보기

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가상현실 기반 체험형 전기안전 교육 시스템의 개발 및 효과 분석 Development and Effect Analysis of Experiential Electrical Safety Education System Based on Virtual Reality 원문보기

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가상현실 기반 체험형 전기안전 교육 시스템의 개발 및 효과 분석
Development and Effect Analysis of Experiential Electrical Safety Education System Based on Virtual Reality 원문보기

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