• Title/Summary/Keyword: problem analysis

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Development Study of Capstone Design Matching Platform based on Industry-Academic Cooperation (산학협력 캡스톤디자인 매칭 플랫폼 개발 연구)

  • Kim, Younyoung;Kim, Jaehee
    • Journal of Engineering Education Research
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    • v.26 no.2
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    • pp.3-22
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    • 2023
  • The purpose of universities is diversifying, such as education and research for the transfer of knowledge and technology, and training talented people with the competencies required in industrial sites. Therefore, universities are attempting various forms of industry-academic cooperation to maintain organic relations with companies and to conduct research activities, technology sharing, technology development, technology transfer, and human resources training. In particular, in the field of engineering education, various industry-academic cooperation programs such as field training, interns, and start-up support are actively developed and operated. Accordingly, the Engineering Education Innovation Research Information Center developed an online industry-academic cooperation capstone design matching platform for engineering education to enable collaboration between universities and companies nationwide. The industry-academic cooperation matching platform was developed under the theme of capstone design. Capstone design is a project-oriented and problem-based learning method that combines the knowledge and experiences acquired by the undergraduate department and designs and produces them. The subject of the Capstone design project was to solve corporate difficulties and allow companies and universities to collaborate. This study developed an online industry-academic cooperation capstone design matching platform according to analysis, design, development, evaluation, and execution procedures. This study is meaningful in that it has developed a channel through which students and companies, who are the subjects of industry-academic cooperation, can carry out projects and communicate organically through an online matching platform.

Impact of the COVID-19 pandemic on depression during pregnancy: a cross-sectional study (COVID-19 팬데믹이 임부의 우울에 미치는 영향)

  • Da-bin Seok;Hyeon Ok Ju
    • Women's Health Nursing
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    • v.29 no.1
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    • pp.44-54
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    • 2023
  • Purpose: Uncertainty and restrictions on daily life have increased fear, stress, and depression during the coronavirus disease 2019 (COVID-19) pandemic. Depression is the most common mental health problem in pregnant women. The purpose of this study was to evaluate the levels of fear and stress related to COVID-19 experienced by pregnant women, as well as their levels of depression, and to examine the factors associated with depression during pregnancy. Methods: This was a cross-sectional, correlational study conducted among 153 pregnant women who visited a maternity hospital in Busan, South Korea. A self-reported questionnaire was used for data collection from December 18, 2021 to March 8, 2022. Data were analyzed using descriptive statistics, the independent t-test, one-way analysis of variance, Pearson correlation coefficients, and multiple regression. Results: Pregnant women experienced a moderate level of fear related to COVID-19, with an average score of 21.55±4.90. The average score for depression during pregnancy was 14.86±11.10, with 50.3% of the participants experiencing depression (≥13). The factors associated with depression during pregnancy were fear of COVID-19, contact with a confirmed case of COVID-19, being in the third trimester of pregnancy, high stress levels due to difficulties experienced from social distancing measures, and unintended pregnancy. These five statistically significant factors explained 35.0% of variance in depression during pregnancy. Conclusion: Considering the prevalence of depression in pregnant women during the COVID-19 pandemic, it is necessary to develop interventions to reduce anxiety by providing correct information and alleviating the stress of social distancing.

Factors Influencing Sense of Community among Nursing Students in the Online Learning Environment during COVID-19 (코로나 19(COVID-19)로 인한 온라인 학습환경에서 간호대학생의 공동체 의식에 미치는 영향 요인)

  • HeeKyung Chang;Jin-Young Ahn;Young-Joo Do;Sang-Mi Han
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.1
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    • pp.239-248
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    • 2023
  • This study is a descriptive correlation study to identify the relationship among online collaborating learning attitudes, empathy, critical thinking disposition, and sense of community in nursing students in the online learning environment during COVID-19. Data were collected from 129 nursing students. The SPSS/28.0 program was used to analyze the data using descriptive statistics, Pearson's correlation coefficient, independent t-test, one-way ANOVA, Scheffé test, Pearson's correlation analysis, and hierarchical multiple regression. Factors that significantly affect sense of community in nursing students were online collaborating learning attitudes and critical thinking disposition, and the explanatory power was about 42.2%. Based on these results, in order to increase sense of community of nursing students in non-face-to-face learning environment, it is required to strengthen the problem-solving-centered learning method cultivating the online collaborating learning attitude and critical thinking disposition.

CNN and SVM-Based Personalized Clothing Recommendation System: Focused on Military Personnel (CNN 및 SVM 기반의 개인 맞춤형 피복추천 시스템: 군(軍) 장병 중심으로)

  • Park, GunWoo
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.1
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    • pp.347-353
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    • 2023
  • Currently, soldiers enlisted in the military (Army) are receiving measurements (automatic, manual) of body parts and trying on sample clothing at boot training centers, and then receiving clothing in the desired size. Due to the low accuracy of the measured size during the measurement process, in the military, which uses a relatively more detailed sizing system than civilian casual clothes, the supplied clothes do not fit properly, so the frequency of changing the clothes is very frequent. In addition, there is a problem in that inventory is managed inefficiently by applying the measurement system based on the old generation body shape data collected more than a decade ago without reflecting the western-changed body type change of the MZ generation. That is, military uniforms of the necessary size are insufficient, and many unnecessary-sized military uniforms are in stock. Therefore, in order to reduce the frequency of clothing replacement and improve the efficiency of stock management, deep learning-based automatic measurement of body size, big data analysis, and machine learning-based "Personalized Combat Uniform Automatic Recommendation System for Enlisted Soldiers" is proposed.

Domestic polysomnography operation status and problem analysis -Focusing on the characteristics of each type of medical institution- (국내 수면다원검사 운영현황 및 문제점 분석 -의료기관 유형별 특징을 중심으로-)

  • YU, TAE GYU
    • The Journal of the Convergence on Culture Technology
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    • v.9 no.1
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    • pp.443-448
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    • 2023
  • Over the past five years, the number of patients with sleep disorders has increased by about 250,000 from 840,000 in 2017 to 1.09 million in 2021. In addition, sleep disorder is a factor that causes dementia risk factors, and furthermore, the population with sleep disorder is a very important policy issue in terms of stable health insurance financial management in the future in terms of national health management in the super-aging trend. Therefore, this study aims to establish an efficient treatment environment in medical institutions responsible for the current status of polysomnography and effective reimbursement policies for the recently increasing population with sleep disorders, and appropriate sleep management policies for future sleep disorders through correct implementation. We are trying to find out the actual condition and improvement plan through interviews with related organizations and experts.

Limitations and Future Work Suggetion on Safe Interaction Model between Rust and C/C++ (Rust와 C/C++간 안전한 상호작용에 관한 연구의 맹점과 개선 모델 연구)

  • Taehyun Noh;Hojoon Lee
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.33 no.2
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    • pp.345-351
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    • 2023
  • As software development progresses and programs become increasingly complex, the cost of reducing and managing software vulnerabilities has also increased. To address this issue, the Rust programming language, which guarantees Memory Safety, has been suggested as an alternative for more error-prone languages such as traditional C/C++. However, Rust also supports the use of libraries written in C/C++ to enhance compatibility with older languages and avoid redundant development, compromising its original guarantees. For example, memory corruption happened in C/C++ can lead to exploits such as buffer overflow, Use-After-Free and null-pointer dereferecing. To tackle this problem, recent studies have been conducted to secure interactino between Rust and C/C++ by isolation. This paper uncovers areas that have not been fully explored in previous studies, following limitation analysis on each. Finally, this paper suggests the future direction of research on safe interaction between Rust and C/C++.

Factors Effecting Social Discrimination Experience in the Early and Late Older on Depression: Focusing on the Comparison between City and Rural Areas (전기와 후기 노인의 사회적 차별 경험이 우울증에 미치는 요인: 도시와 농촌의 비교를 중심으로)

  • Se Jeong Yang;Hyun Sook Lee
    • Health Policy and Management
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    • v.33 no.1
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    • pp.75-84
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    • 2023
  • Background: The purpose of this study was to identify the factors affecting social discrimination experience on depression in the early and late elderly by region. Methods: This study used data from the National Survey of Older Koreans 2020. The subject of the study was the elderly aged 65 or older, and it was analyzed as those who responded. In order to analyze the effect of social discrimination experiences on depression, it was analyzed through binary logistic regression analysis. Results: The results of this study showed that the elderly who experienced social discrimination had a significant effect on depression. In addition, when four groups experienced social discrimination when using restaurants or coffee shops, depression was commonly affected. In addition, when both city and rural areas experience social discrimination when using sales facilities in social discrimination in the elderly, city areas are 2.21 times more likely to experience depression and 3.52 times more likely to experience depression in rural areas. The late elderly are more likely to experience 3.04 times more likely to experience social discrimination when using restaurants or coffee shops in city areas, and 3.03 times more likely to experience depression when experiencing social discrimination to make major decisions in the family in rural areas. Conclusion: In conclusion, it is necessary to prepare alternatives to prevent depression and improve mental health suitable for the characteristics of age and residential area. In addition, it suggests that personal and social efforts are needed to solve the problem of social discrimination in order to reduce depression in the elderly.

Achieving the Naked-eye 3D Effect for Right-angled LED Screen by Off-line Rendering Production Method

  • Fu Linwei;Zhou Jiani;Tae Soo Yun
    • International Journal of Internet, Broadcasting and Communication
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    • v.15 no.2
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    • pp.157-167
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    • 2023
  • As a new trend in the development of urban public spaces, the use of right-angle LED screens perfectly combines building facades with naked-eye 3D visual effects, providing designers with a brand-new creative platform. How to create a realistic naked-eye 3D effect on a right-angle LED screen and bring an immersive visual experience to the audience has become a question worth exploring. So far, production companies have yet to announce the relevant design ideas and complete production methods. In order to explore the production principle and production process of the naked-eye 3D effect of the right-angle LED screen, we summarize the basic production principle of the naked-eye 3D impact of the right-angle LED screen through case analysis. Based on understanding the production principle, the actual case production test was carried out, and a complete production process of the naked eye 3D visual effect of the right-angle led screen was tried to be provided by off-line rendering. For the problem of how to deal with image deformation, we provide two production methods: post-production software correction and UV mapping. Among them, the UV mapping method is more efficient and convenient. Referring to this paper can help designers quickly understand the production principle of the naked eye 3D effect of right-angle LED screens. The production process proposed in this paper can provide a reference for production method for related project producers.

Analysis of Major Issues in the Serious Accidents Punishment Act (SAPA) (중대재해처벌법의 주요쟁점 해소 방안)

  • Cho Choonhwan
    • Journal of the Korea Institute of Construction Safety
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    • v.5 no.1
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    • pp.17-24
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    • 2023
  • The purpose of this study is to clearly recognize critical issues and to suggest relevant solutions for the issues since too many deaths and injuries due to industrial accidents has been going on for a long time, also the deaths of workers is a problem that affects not only one person's death but also many people connected with it and society as a whole. And the need for a strict Serious Accidents Punishment Act is sympathetic. However, the current Severe Accident Punishment Act is not welcomed by both labor and management due to its ambiguity, and it is suggested that the punishment and legislative content of the management manager who violated the duty to ensure safety and health is abstract and the level of punishment is excessive. In addition, due to the ambiguous part of the management manager's interpretation and serious industrial accidents, most companies appoint large law firms to receive legal interpretation and advice, so only law firms are getting full, and the cost that companies invest to protect the CEO is actually a safety accident. It is suggested that the current enforcement ordinance, which has ambiguity, needs to be revised because it must be entered into as a preventive cost.

A Study on the Evaluation of Shear Resisting Capacity for the Various Perforated Shape Shear Connector (합성거동을 위한 유공판형 전단연결재의 강도평가에 관한 연구)

  • Kim, Young-Ho
    • Composites Research
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    • v.21 no.5
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    • pp.1-8
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    • 2008
  • In recent years, the reversed L-shaped perforated shear connector has been developed to mitigate the problem associated with headed stud and Perforbond shear connector and to simulate the simultaneous failure of concrete and shear connector. And FRP perforated shear connector has been applied to composite concrete and FRP module in the FRP-concrete composite bridge deck. The design criterion of the reversed L-shaped and FRP perforated shear connector has not been established yet since the lack of experimental and analytical study results. In this paper, the existing design equations for the Perforated were briefly discussed and the equation fur the prediction of shear resisting capacity of the reversed L-shaped and FRP perforated shear connector was suggested based on the experimental test, FEM analysis. and the existing equation for the Perfobond. The predict results obtained by the suggested equation arc compared with the experimental results, the applicability and effectiveness of suggested equation was verified.