• Journal of the Korean Society of School Health
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• v.23 no.2
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• pp.143-150
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• 2010

Purpose: This study aims to examine what can be seen in children's paintings, their common characteristics, and what role art therapy plays in diagnosing the post-traumatic stress disorder in children who experienced trauma, through an art therapy program among elementary school students that witnessed the death of parents from a fire drill accident. Methods: A program of three times of art therapy was progressed among 34 children who witnessed a fire accident. Revised Children's Manifest Anxiety Scale (RCMAS) was used for comparative analysis of art therapy results. Results and Conclusion: First, children who had the possibility to develop post-traumatic stress disorder were found through art therapy. Second, an opportunity to express themselves were given to children who refused psychological tests or treatment through art therapy.

• Journal of Korean Institute of Industrial Engineers
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• v.26 no.4
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• pp.354-362
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• 2000

Increasing amount of road tragic in 90's has drawn much attention in Korea due to its influence on safety problems. Various types of data analyses are done in order to analyze the relationship between the severity of road traffic accident and driving conditions based on traffic accident records. Accurate results of such accident data analysis can provide crucial information for road accident prevention policy. In this paper, we apply several data fusion, ensemble and clustering algorithms in an effort to increase the accuracy of individual classifiers for the accident severity. An empirical study results indicated that clustering works best for road traffic accident classification in Korea.

• Proceedings of the KSR Conference
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• 2005.11a
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• pp.997-1004
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• 2005

Representative of Korean accidents is that occurrence number of accidents is not many. But the extra-large size disaster like as Taegu subway accident are occurred continuously from multi place. It brings a big problem that people has spirit shock and a life damage nationally and socially. The problem point which brings like this tragic death is caused from the fire confrontation system of absent and human confrontation mistake. Therefore, we need the confrontation plan to overcome these accidents. It will be able to prepare favorably in accident confrontation. In this paper, we analyzed fire accidents case study on domestic and oversea and proposed the plan which confronts encounter to fire accidents in subway system urgently and properly.

• Proceedings of the KSME Conference
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• 2008.11a
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• pp.481-484
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• 2008

The important factor to evaluate the running safety of a railway vehicle would be the interaction force between wheel and rail(derailment coefficient), for which is one of important factors to check the running safety of a railway vehicle that may cause a tragic accident. Element that analyze derailment coefficient is consisted of wheel load and lateral force. In this paper, studied about method that calculate vertical force(wheel load) by bending load of axle in rolling stocks.

• Proceedings of the Korea Contents Association Conference
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• 2015.05a
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• pp.439-440
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• 2015

There has been a big need of Safety Education for the power plants with a high risk due to the Fukushima Daiichi nuclear disaster and the tragic accident of Sewol Ferry. The object of this research is for studying ways of developing contents for customized Power Plants Safety Education applied with 'Story Viewing' technology in order to improve the present format of Power Plant Safety Education based on hard copied documents so as to prevent human mistakes because of lack of system and ability of initial response which come from safety frigidity shown in the case of Sewol Accident. 'Story-viewing' applied to Power Plant Safety Education is the methodology to enhance information communicability utilizing IT/Visualization technology combined with Story Telling that is an effective propagation way.

• Proceedings of the KSR Conference
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• 2007.11a
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• pp.1428-1432
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• 2007

One of the most important targets of transportation is to transport human and commodities to the destination safely. Railway has low risk, compared with land, ocean and flight route and it assures high security as well as high speed driving, since it runs on regular track. However, train accident may result in tragic accident due to small carelessness, so special event recorder is preferably used in order for clarity of responsibility in case of accident, maintenance of signal device and defect analysis. JRU(Juridical Recorder Unit) for ATC/ATS/ATP can be more advanced event recorder. Event recorder of KTX-I which is running now is installed one by one on each leading car and last car, and operation plan of event recorder in case of single trainset is suggested. But regarding train operation of multi-coupled trainset operation such as KTX-II, more detailed study is required for event recorder revitalization and record data process method. Therefore, this research aims at operation plan used in existing event recorder, and suggests effective operation and management plan of event recorder in multi-coupled trainset such as new High Speed Train.

• Journal of Communication Design
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• v.57
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• pp.398-407
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• 2016

This thesis is about how to let people be aware of the importance to raise awareness of the safety by offering User-center guide line instead of staff-center guide line. That's why it is important to make clear and be aware of how to prevent and how to cope with accident because it can lead to casualties which might be a tragic. For all that the guide for the fire accident is posted on the web site of each metro administration without any standard of information or coherence. Therefore it is urgent to make and provide new User-center guideline and to make it better we need to keep the following principles. First of all, the principles of Universal design should be applied to all the User-center guide line for fire accident at the subway station based on the comprehension of public design. Secondly, every metro administration need more communication to organize one coherence in designing instead of unilateral advertisement. Lastly, campaigns and training should be expanded in everyday life, so the citizen can raise awareness of the accident by themselves.

• 제어로봇시스템학회:학술대회논문집
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• 1992.10a
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• pp.564-566
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• 1992

It is tragic that the Korean Airline Boing 747, KE007, wandered hundreds of miles off course into Soviet airspace and was shot down on September 1, 1983. The exact cuases are not known yet. Thus, speculation centers on human error or faulty procedure of three Litton LTN-72R inertial navigation systems(INS) with which the KAL KE007 was equipped. The inertial platform must be aligned before the INS can be used as a precision inertial navigation system. This analysis checks a possibility that the navigation errors are caused by a wrong INS alignment procedure assuming it is done at Anchorage. Possible causes for the navigational position error, such as alignment errors and gyro drift errors, are analyzed through inertial navigation system error prapagation simulations. A set of misalignment angle is estimated to determine what degree of alignment errors are required to cause the navigation error assuming that the accident is caused by the INS misalignment.

• Proceedings of the KSR Conference
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• 2007.05a
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• pp.743-748
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• 2007

The important factor to evaluate the running safety of a railway vehicle would be the interaction force between wheel and rail(derailment coefficient), for which is one of important factors to check the running safety of a railway vehicle that may cause a tragic accident. Especially, a newly developed vehicle that first runs commercially requires necessarily the measurement and evaluation of derailment coefficient for securing the safety of a vehicle while measuring the derailment coefficient in view of securing running safety could be the more important factor than any other factors. In this paper, examined possibility that can forecast derailment possibility to behavior of only vibration and displacement by measuring vibration acceleration and displacement in vehicles that travel actuality rail track, and compares with data of wheel load/lateral force result.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2006.05a
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• pp.363-364
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• 2006

The important factor to evaluate the running safety of a railway vehicle would be the interaction force between wheel and rail(derailment coefficient), for which is one of important factors to check the running safety of a railway vehicle that may cause a tragic accident. In this paper, when interaction force between wheel and rail happens to wheel-set of tilting vehicles, it analyzes stress distribution and verified safety.