• Title/Summary/Keyword: Personal mobility

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Development of an electric kick-board helmet recognition system based on deep learning (딥러닝 기반의 전동킥보드 헬멧착용 인식시스템 개발)

  • Park, Joon-Ho;Hwang, Ji-Min;Go, Yu-Jeong;Kim, Se-Ha;Lee, Hyun-Seo
    • Proceedings of the Korean Society of Computer Information Conference
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    • 2022.01a
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    • pp.281-282
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    • 2022
  • 현재 전동 킥보드 헬멧 미착용으로 인한 사고가 끊임없이 야기되고 있다. 개인형 이동장치 이용자 수가 증가함에 따라 법 개정을 통하여 헬멧 착용이 의무 사항이지만 여전히 낮은 착용률을 나타내고 있다. 본 논문에서는 모든 공유 킥보드 회사에서 사용 가능한 딥러닝 기반의 전동킥보드 헬멧 착용 인식시스템을 제시한다. 타 공유 전동킥보드 회사 앱에서 본 논문의 결과물을 사용할 때는 사용자가 타사 앱에서 헬멧 인식 요청 시 자사 앱에서 헬멧 착용 여부를 인식하여 결과를 전송한다. 자사 앱 사용자는 인식 기록을 조회할 수 있고, 타사 관리자는 사용자의 정보를 조회 및 관리할 수 있다. 본 시스템을 통해 전동킥보드 이용 시 헬멧 착용을 장려하여 착용률 증가와 사고 시 인명피해 감소를 기대한다.

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The effects of PM driving direction and alert sound type on risk perception and awareness of PM driver of pedestrians (개인형 이동장치(PM)의 주행 방향과 경고방식의 차이가 보행자의 위험 지각과 주행자에 대한 인식에 미치는 영향)

  • Jung, Yoon-Hyun;Lee, Soo-Ji;Kang, Hyunmin
    • Journal of Digital Convergence
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    • v.19 no.7
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    • pp.217-226
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    • 2021
  • The use of personal mobility(PM) is increasing because of preading shared mobility, but, it causes risk of accidents and fear to pedestrians because of lack of sound. The purpose of this study is to find out the effects of the alert sound in PM and driving direction on risk perception of pedestrians, awareness on PM driver, and allowance for driving on each road. The 8 videos were produced from a pedestrian perspective, depending on the alert sound type(silent, vess, bell, voice) and direction of driving(front, back). After watching each video, participants completed surveys. There was a non-effect on the driving direction. Regardless of the alert sound type, all of the sounds reduced the risk perception. Also, the awareness of PM drivers and allowance for driving on each road were positive. This study found that PM needed an alert sound for pedestrian safety. We expect the results of the study to help improve awareness of PM and make policies and regulations.

A Study on Characteristics of Well-being Fashion Design in Digital Environment (디지털 환경의 웰빙 패션 디자인에 관한 연구)

  • Kim, Ji-Eon
    • The Research Journal of the Costume Culture
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    • v.15 no.5
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    • pp.796-809
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    • 2007
  • The viewpoint of growth pursuit is changed to that of life quality's and happiness' pursuit by modern people. Modern people in digital environment, tired of fast-changing and oppressive daily life, prefer well-being trend providing tranquility and relaxation. Well-being is related to digital, because negative influences of digital lead human-oriented, environment-friendly well-being design. Therefore the purpose of this study is to research and analyze the relation of well-being fashion design and digital environment through case study in contemporary well-being fashion design. The results of this study are as follows: 1. This study shows that the attributes of digital environment make up function-intensive, interactivity, mobility & nomad, human & emotion-oriented and environment-friendly. And this study shows the design characteristics of digital environment consist of function-intensive design by digital convergence, open structure design for interactivity, modular design for mobility & nomad, emotion-oriented & multi-sensory design and environment- friendly design. 2. Function-intensive design in modem well-being fashion composed of vogue of caports style(casual+sports), practical use of multi-functional new-healthy textiles, and popularity of many style's mixture at once. Open structure design consist of wrapover design, use of transparent materials. Modular design are layered styling, practical use of zipper and velcro. Emotion-oriented & multi-sensory design are constitute of fad of wrinkle materials, application of bright & vivid tone, personal color and family look. Environment-friendly design in contemporary well-being fashion are comprised in use of natural color, re-advent of natural floral motif and eco-design.

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Requirement Analysis of Efficiency, Reliability, Safety, Noise, Emission, Performance and Certification Necessary for the Application of Urban Air Mobility (UAM) (도심항공 모빌리티(UAM) 적용에 필요한 효율, 신뢰성, 안전성, 소음, 배기가스, 성능 및 인증의 요구도 분석)

  • Yun, Ju-Yeol;Hwang, Ho-Yon
    • Journal of Advanced Navigation Technology
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    • v.24 no.5
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    • pp.329-342
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    • 2020
  • In this paper, we analyzed the requirements for the application of UAM, a new concept to solve the traffic congestion in large cities. First, the current domestic and foreign status of research and development related to UAM was investigated and the pros and cons and the time required for each mission radius were analyzed for various configurations of aircraft being commercialized. In addition, in order to analyze the market acceptance of the UAM, the individual's consciousness and reliability requirements were identified and safety requirements were analyzed through accident rate data for each aircraft type. Because it operates in a densely populated urban area, requirement analyses on noise and exhaust, which are environmental factors that can affect the community were performed, and requirements related to aircraft performance, certification standards, and airworthiness standards of FAA and EASA were also analyzed.

Intergeneration Occupational Mobility Experience of Nurses: Focus on Mother's Experience (간호직을 선택한 자녀를 둔 간호사 어머니의 경험)

  • Kim, Joo Hyun;Nam, Eun Sook;Kil, Myung Sook;Yoon, Sung Ja;Soun, Eun Jin;Park, Eun Young
    • The Journal of Korean Academic Society of Nursing Education
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    • v.20 no.4
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    • pp.523-533
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    • 2014
  • Purpose: The purpose of this study is to analyze how the experiences of nurses influence their role model function when they are mothers of children who in turn have become nurses or nursing students. Method: The subjects of this study were 12 nurses, 8 of their children who became nurses and another 4 children then in training to become one. Data were collected through in-depth personal interviews and subsequently analyzed through a phenomenological approach. Results: Four main themes were identified as follows; 'Persuasion and dissuasion,' 'Proud but still pathetic,' 'As mom and senior nurse' and 'Great to pass it down.' Conclusion: The results of this study show that the nurse as mother could be a positive professional role model for her children. However, they tended to stress the arduous clinical routines and poor work conditions nurses currently experience. Should such routines and conditions improve, mothers who are nurses would be more willing to recommend the nursing profession to their children. Improving the professional environment is thus important because intergeneration nursing mobility provides a reliable resource to recruit qualified and dedicated nursing personnel.

Development of Firefighters' Personal Protective Clothing with Nomex Honeycomb Fabric and its Protective and Comfort Evaluation (노멕스 허니콤 구조 직물을 적용한 소방관용 특수방화복 개발 및 이의 보호 쾌적 성능평가)

  • Jung, Jae-Yeon;Ku, Ponjun;Kim, Do Hyung;Kwon, Min-Jae;Kang, Sungwook;Choi, Jeong-Yoon;Lee, Joo-Young
    • Fashion & Textile Research Journal
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    • v.21 no.5
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    • pp.606-617
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    • 2019
  • The present study newly developed a firefighters' protective jacket and pants using a Nomex honeycomb structured layer (HPC) in cases of being exposed to flashover or flameover. This study evaluated the protective and comfort functions of an HPC compared to the current KFI firefighters' protective clothing (FPC). The results are as follows. First, thermal protective performance (TPP) of fabric layers was 2.75 times greater for HPC than FPC at $125kW/m^2$. Second, the predicted second and third degree burn areas were smaller for HPC than FPC when using a flame manikin. Third, thermal insulation using a thermal manikin was 0.2 clo greater for HPC than FPC. Fourth, there were no marked differences in maximal performance, mobility, and microclimate temperature/humidity between FPC and HPC through human wear trials. The thermal insulation of HPC was higher than that of FPC; however, any negative effect of HPC thermal insulation on the comfort functions for firefighters was not found. In conclusion, the newly-developed HPC provided more protection in reducing burn injuries from $125kW/m^2$, while no negative impact on maximal performance, mobility and thermal comfort functions of firefighters, which is appropriate for quick-evasive tactics at the flashover, flameover or back draft fires.

Design of a New IoT Management System for Efficient Recovery of Shared Electric Kickboards (공유형 전동킥보드의 효율적 회수를 위한 새로운 IoT 관리시스템 설계)

  • Jang, Eun-Jin;Shin, Seung-Jung
    • The Journal of the Institute of Internet, Broadcasting and Communication
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    • v.21 no.1
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    • pp.189-194
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    • 2021
  • With the recent increase in the proportion of single-person households, starting in 2016, the domestic shared personnel mobility market such as electric kickboards and electric wheels has grown rapidly. Personal transportation means such as electric kickboards are power devices using electricity and are eco-friendly, lightweight, and do not occupy a separate parking space. Above all, it has the advantage of being convenient to travel short and medium distances, so it has been able to obtain a lot of demand from younger users who pursue reasonable consumption, and accordingly, the related market has grown rapidly. However, as absence of the charging station for electric kickboards, electric kickboards are left everywhere on the road, and are emerging as a threat to safety as well as aesthetics. Therefore, this paper aims to research and propose a new IoT management system for efficient recovery of shared electric kickboards. Through this system, it is expected that the high recovery rate of the electric kickboard can be maintained, and in conclusion, the safety of the user and the surrounding environment can be improved.

Analysis of Influence Factors on the Intention to Use Personal Cloud Computing (개인용 클라우드 컴퓨팅 사용에 미치는 영향요인 분석)

  • Ryu, Jae Hong;Moon, Hye Young;Choi, Jinho
    • Journal of Information Technology Services
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    • v.12 no.4
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    • pp.319-335
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    • 2013
  • Cloud computing allows users to access software or specific programs that support the cloud platform through an information communicating device that can connect to the internet anywhere or anytime. Also, the cloud architecture not only reduces the expenses of IT infrastructure construction and maintenance, but also speeds up processing and mobility, which leads to a significant ease of use. In spite of the advantages of cloud computing, previous studies have been centered on case studies of the execution, advantages, and problems of cloud computing. In contrast, empirical research on individual cloud computing up till now is very insufficient. Thus, the research aims to create a model of an individual user's perspective and verify validation. This study reveals types of influence that characteristics can have on an individual user's intention to use, by searching the characteristics that the individual user recognizes on cloud computing services. The results are as follows:first, the characteristics of cloud computing indicates a significant influence on usage intention. Second, all characteristics in cloud computing, accessibility, reliability, perceived ease of use, and fusibility, are confirmed in providing significant influences in shaping social influence forms. Third, social influence has a significant influence on usage intention.

A Study on the Application and Utilization of PDA in u-Learning (u-러닝에서 PDA 적용 방안 및 활용에 관한 연구)

  • Baek, Jang-Hyeon
    • Journal of The Korean Association of Information Education
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    • v.9 no.3
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    • pp.511-522
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    • 2005
  • The rapid development of information & communication technology has changed the paradigm of education. Recently the area of education is introducing u-Learning, in which learning is possible at any time and in any place through personal information devices such as PDA, tablet PC and mobile phone terminals. Taking advantage of the mobility and individuality of personal information devices, u-Learning can provide learning customized to the characteristics of individual learners without the limitations of time and space and can be effective in situational learning and experiential learning. In order to identify the uses of PDA in teaching.learning and to develop a basic teachinglearning model using PDA, the present study applied PDA directly to classes and examined the effects. According to the result, most students were satisfied with classes utilizing PDA but problems were also found in connection, insufficient contents for PDA, the quality of screen, etc.

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Who Would Mobilize in the Labor Market Among Married Women According to Their Attitude toward Work\ulcorner (기혼 여성의 노동이동 가능성: 노동이동의사와 영향요인분석)

  • 김혜연
    • Journal of the Korean Home Economics Association
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    • v.38 no.9
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    • pp.143-157
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    • 2000
  • The purpose of this study was to show the possibility of labor mobility among married women by analysing some variables to have effects on their employment status and willingness to move in the labo market, namely, whether they would willingly enter into/come out the labor market. The personal collecting data were used and one discirminant function and two probit models were employed to analyse the efficients to the independent variables. The resets of this study were as follows. The very discriminant variables to have significant effects on the employment status of married women were the age of the youngest and the number of children. The willingness to enter into the labor market of unemployed married women was high in contrast as the willingness to keep the job was high among employed married women. The subjective perception on their own health, children related variables, and financial variable were very significant to predict the possiblities to move in the labor market among married women. It was remarkable that the psychological variables, which were related with the attitudes toward the occupation of house wife and employment of married women, were also important. These results showed that first of all, the decision of whether they enter into or come out in the labor market among married women is largely on the basis of the household situation not on the personal capacities of married women themselves.

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