• Proceedings of the Korean Society of Broadcast Engineers Conference
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• 2022.06a
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• pp.330-331
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• 2022

자율주행 차량의 운전자는 현재 레벨3에서 탑승하는 운전자에부터 최종적으로 레벨 5단계에서 탑승자로 변화하게 된다. 관련하여 자율주행차량이 운행하는 동안 탑승자는 무엇을 하는지가 중요한 이슈로 대두될 여지가 있다. 탑승자는 뉴스를 읽거나 노래를 부르거나 주변 환경을 감상할 수 있고, 또는 탑승자는 다른 탑승자와 게임을 하거나 대화를 하거나 회의와 의사결정을 내릴 수도 있다. 자율주행차량은 이용자의 활용에 따라 오락공간, 휴식공간, 회의공간으로 트랜스포메이션되는 셈이다. 본 논문은 자율주행차량에서 블록체인 기술 중 하나인 NFT를 활용하여 차량의 탑승자에게 소유권이 있는 생산 데이터에 대해 스마트 계약을 구현하는 방법에 대하여 연구하였다. 자율주행 차량 내에서의 소유권을 표식한 스마트 계약 체결과 향후 적용 운용환경을 연구.개발하였다.

• Proceedings of the Korean Institute of Navigation and Port Research Conference
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• 2022.06a
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• pp.290-292
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• 2022

본 연구에서는 승선환경에 관한 기초연구로서 승선 및 유람선 터미널의 공간 및 시설과 관련된 법적 문제에 대한 분석을 수행하였다. 연구결과는 다음과 같다. 1) 육상대중교통의 탑승과 관련된 법령과 규정에 비해 시설별 세부규정이 미흡하고, 유람선터미널 역시 탑승객 수용능력별 시설기준이 요구된다. 2) 터미널의 대기공간과 승강장은 법에 따라 기본시설이 갖춰지지 않은 곳으로 탑승능력을 수용할 수 있는 좁은 공간이다. 3) 현측 접안과 선수측 접안을 유람선 선착장의 승강 공간과 사용 시설 등을 고려하여 적절히 사용해야한다.

• Proceedings of the Korea Society of Design Studies Conference
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• 2000.11a
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• pp.42-43
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• 2000

테마파크의 주요특징은 일상성을 완전히 차단한 상상의 세계이자 비일상적인 유희공간으로서 그곳을 찾은 방문객들은 현실생활에서 벗어나 적극적 참석자의 입장에서 위락시설을 즐긴다는 점이다. 본 연구는 고부가가치 차세대산업 혹은 21세기형 첨단문화산업이라고 불리는 테마파크의 개념을 고찰하고, 다양한 탑승놀이기구 가운데 물리적 운동특성에 따른 대표적인 기구를 선별하여, 그것들의 종류와 탑승자의 신체반응 및 그에 대한 안전사고 요인 등을 조사하였다.(중략)

• Science of Emotion and Sensibility
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• v.24 no.2
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• pp.13-24
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• 2021

In level 5 (mind-off) of autonomous driving, the autonomous vehicle passengers are expected to have various activities such as face-to-face meetings, working, relaxing, and watching movies. In particular, various changes in the interior space of the vehicle are expected. Moreover, according to the survey conducted by the American Automobile Association, 73% of the respondents reported that they were afraid to board autonomous vehicles. In level 5 of autonomous driving, the subject of safety was expected to be transferred to autonomous vehicles; thus, research should be conducted from the user's perspective. Recently, various studies have been conducted to secure the safety of fully autonomous vehicles. However, there are limited studies addressing the psychological safety of actual passengers. Therefore, this study conducted a questionnaire based on the AHP technique. Consequently, the automobile safety system's priority for securing passengers' psychological safety according to each type of indoor behavior was derived, and the interior space for securing the psychological stability of passengers was suggested based on the obtained results. This study offers a new direction for interior space design, satisfying the psychological safety of passengers. This study is important because it advocates that the interior environment of fully autonomous driving cars is expected to be designed to secure the user's psychological safety.

• Proceedings of the Korean Society for Emotion and Sensibility Conference
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• 2002.11a
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• pp.47-52
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• 2002

가상공간에서 탑승자에게 운동감을 제공하기 위해서 수많은 형태의 모션 시뮬레이터가 개발되어 왔다. 하지만 이러한 형태의 시뮬레이터들은 그 고유한 형태에 의해 정해진 동역학과 워시아웃 알고리즘을 거쳐야만 정밀한 시뮬레이터가 될 수 있다. 본 논문은 기존의 좁은 시야공간에서의 시뮬레이터가 아닌 넓은 시야를 제시하고, 모션 베이스와 독립적으로 운영되는 영상 제시기를 이용하여 탑승자에게 운동감을 제공하는 분리형 시뮬레이터를 대상으로 하여 영상과 모션을 동기화시켜서 제시하는 방법에 대해 논의하고자 한다.

• Archives of design research
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• v.15 no.4
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• pp.409-416
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• 2002

The overall concept of the interior space on a vehicle, which is related to the exterior design presents a new turning point at the body design concept on a vehicle and it means the interior space on a vehicle has the largest portion. The concept of the roominess at the interior space is consisted on many physical dimensions for the comfort of passengers, but these elements should be considered also as the result of the dynamic reflections of the characteristics of market demand, and it is not only to designate the physical dimensions and positions of the interior design elements, but also to influence to the total body shape of the vehicle. These days the concept of the interior space is now on the way of changing which is not limited only to the passenger car. The change is more evident especially at the total body shape which is not only the details of the exterior style and it would expend to other type of vehicles.

• Journal of the Korean Society for Aeronautical & Space Sciences
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• v.41 no.9
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• pp.740-746
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• 2013

Design with crashworthiness concept has been emphasized for almost aircraft and motor vehicles. However, crashes accompanied serious injury and death have been continuously occurred, and will be occurred subsequently. What was worse, it is a well-known fact that there were a good many crashes classified as survivable accidents in which fatal injuries were reported. But we cannot say that fatal injuries were inevitable consequences of those crashes. If crashworthy design for seat, restraint systems, and cabin strength were adequate or right, survivability in a crash event could be maximized greatly. To substantiate the right crashworthiness, we must thoroughly understand the characteristics of human tolerance under abrupt acceleration change, and the cabin design should be combined with proper use of energy absorbing technologies that reduce accelerations experienced by the occupants. In this paper, the emphasis on the human tolerance under abrupt accelerations as well as the necessity of change in design requirements for crash environment will be stressed to widen the belt of consensus for the right crashworthy design.

• Transactions of the Korean Society of Mechanical Engineers A
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• v.37 no.1
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• pp.129-135
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• 2013

There is not enough absorption space in the side of a vehicle so injuries to a passenger are higher compared to frontal impact injuries. For the protection of the passenger in the event of a side impact, vehicle regulations and new car assessment program(NCAP) are implemented all over the world. However, passive safety such as absorption technology of vehicle body itself is limited due to the narrow space of the side part. At the present time, it is well known that a side airbag including a curtain airbag is the most effective system to protect the passenger during a side impact. In this study, optimum design of the curtain airbag is carried out to reduce Head Injury Criterion(HIC) of the passenger. Based on crashworthiness simulation, an orthogonal array is selected based on the defined design variables, the response surfaces are generated from the orthogonal array and optimization is conducted with the surfaces.

• The Korean Journal of Applied Statistics
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• v.26 no.4
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• pp.623-634
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• 2013

In this study, we provide empirical evidence of whether a spatial correlation among mode choices at the TAZ(Traffic Analysis Zone) level exists based on transit smart card data observed in Seoul, Korea. The results show that the areas with a higher probability that passengers choose to take a bus are clustered and that those regions have fewer metro stations than bus stations. We also found that the spatial correlation turned out to be statistically meaningful and provided an opportunity for the potential use of the spatial correlation in modeling mode choices. A reliable spatial interaction would constitute valuable information for transportation agencies in terms of their route planning and scheduling based on the transit smart card data.

• Journal of Korea Spatial Information System Society
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• v.10 no.1
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• pp.41-49
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• 2008

This paper presents a data analysis method for the taxi telematics system which generates a greate deal of location history data. By the record consist of the basic GPS receiver-generated fields, device-added fields such as taxi operation status, and framework-attached fields such as matched link Identifier and position ratio in a link, each taxi can be represented by a state diagram. The transition and the state definition enable us to efficiently extract such information as pick-up time, pick-up distance, dispatch time, and dispatch distance. The analysis result can help to verify the efficiency of a specific taxi dispatch algorithm, while the analysis framework can invite a new challenging service including future traffic estimation, trajectory clustering, and so on.