It has been recognized as an important issue to design optimally a firm's logistics network for minimizing logistics cost and maximizing customer service. It is, however, not easy to get an optimal solution by analyzing trade-off of cost factors, dynamic and interdependent characteristics in the logistics network decision making. Although there has been some developments in a system which helps decision making for logistics analysis, it is true that there is no system for enterprise-wise's on-site support and methodical logistics decision. Specially, E-biz process along with information technology has been made dramatic advance in a various industries, there has been much need for practical education closely resembles on-site work. The software developed by this study materializes efficient algorithm suggested by recent studies in key topics of logistics such as location and allocation problem, traveling salesman problem, and vehicle routing problem and transportation and distribution problem. It also supports executing a variety of experimental design and analysis in a way of the most user friendly based on Java. In the near future, we expect that it can be extended to integrated supply chain solution by adding decision making in production in addition to a decision in logistics.
Recently, global competition in the manufacturing sector is driving firms in the manufacturing sector to conduct product innovation projects to maintain their competitive edge. The key points of product innovation projects are 1) what the purpose of the project is and 2) what expected results in the target market can be achieved by implementing the innovation. Therefore, this study focuses on the performance of innovation projects with a business viewpoint. In this respect, this study proposes the "achievement rate" of product innovation projects as a measurement of project performance. Then, this study finds the best strategies from various innovation activities to optimize the achievement rate of product innovation projects. There are three major innovation activities for the projects, including three types of R&D activities: Internal, joint and external R&D, and five types of non-R&D activities - acquisition of machines, equipment and software, purchasing external knowledge, job education and training, market research and design. This study applies decision tree modeling, a kind of data-mining methodology, to explore effective innovation activities. This study employs the data from the 'Korean Innovation Survey (KIS) 2014: Manufacturing Sector.' The KIS 2014 gathered information about innovation activities in the manufacturing sector over three years (2011-2013). This study gives some practical implication for managing the activities. First, innovation activities that increased the achievement rate of product diversification projects included a combination of market research, new product design, and job training. Second, our results show that a combination of internal R&D, job training and training, and market research increases the project achievement most for the replacement of outdated products. Third, new market creation or extension of market share indicates that launching replacement products and continuously upgrading products are most important.
Journal of the Architectural Institute of Korea Structure & Construction
/
v.34
no.4
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pp.25-33
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2018
In regard to modular systems, new methods, as well as middle and high-story unit design ideas, are currently being studied. These studies need to focus on the enhanced stiffness and seismic performance of these connections, and see that the development of fully restrained moment connections can improve the seismic performance. For this reason, this study evaluates the performance of the connections of the ceiling bracket-typed modular system through repeated loading tests and analyses. In order to compare them with these modular units, new unit specimens with the bracket connection being different from that of the traditional modular unit specimens were designed, and the results of repeated loading tests were analyzed. In the traditional units, the structural performances of both welding connection and bolt connection were evaluated. In regard to the testing results, the initial stiffness of the hysteresis curve was compared with the theoretical initial stiffness, and the features of all specimens were also analyzed with regard to the maximum moment. In addition, the test results were examined with regard to the connection flexural strength of the steel special moment frame specified under the construction criteria KBC2016. The connections, which were proposed in the test results, were found to be fully restrained moment connections for designing strong column-weak beams and meeting the requirements of seismic performance of special moment frames.
The Journal of the Convergence on Culture Technology
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v.9
no.1
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pp.199-204
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2023
The COVID-19 pandemic, which began in early 2020, became an opportunity for unprecedented global reflection and change. And it served as an opportunity to promote a new paradigm in all areas of society, including politics, economy, culture, and industry. In the midst of this upheaval, the 2022 IAA exhibition, which was held in four years, was held as an exhibition that even proposed new concepts of smart logistics and mobility services. Among them, various concepts were also proposed in exhibitions related to last mile mobility, the focus of this study.As a result of this study, the main trend of last mile mobility shown in the IAA 2022 exhibition is that the property of physical products with functions as social interfaces is expanding into the PSS (Product-Service System) ecosystem in which products and services are systematically linked. As a result, the need for a methodological approach that can organically link the design planning of social services and the development of products corresponding to it was derived.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.7
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pp.109-120
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2017
The purpose of this study is to explore the experiences and meaning of nursing students participating in a multicultural children mentoring program and to find out how mentoring activities can contribute to the cultural competence of future nurses. This study was based on a qualitative research design through reflective journals and in-depth interviews. From March 20 to June 30, 2016, we collected data from 10 nursing students who participated in a mentoring program for multicultural children. The research question was what was the experience of nursing students participating in multicultural children mentoring? Reflective journals were created individually before participating in mentoring activities and after 10 mentoring activities. In-depth interviews were conducted with three participants to clarify the meaning of their reflective journal and identify the implications of additional mentoring activity experiences after the completion of the mentoring activities. The results were obtained for 3 central themes; Breaking the prejudice against cultural diversity, Understanding the reality of multicultural children, and Acquiring experience for the sake of growth. The results of this study can be used as the basic data for the development of a nursing education program for the purpose of enhancing the cultural competence of nursing students.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.5
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pp.417-425
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2020
This study was conducted to identify the effects of baby care using dolls on nursing students' major satisfaction, class satisfaction, and knowledge of newborn care. A quasi-experimental nonequivalent control group, pretest-posttest design was used. The subjects of the study were 95 nursing college students who agreed to participate. The control group (n=47) received lecture education consisting of watching newborn videos while the experimental group (n=48) received a practical education involving caring for a doll resembling an infant. Data were collected from March to May, 2019 and analyzed using descriptive statistics, χ2-tests, and t-tests with the SPSS/WIN 21.0 program. The major satisfaction score of the experimental group was higher than that of the control group, but it was not statistically significant (t=1.64, p=.107). The score for class satisfaction differed significantly between the experimental group and control group (t=2.08, p=.043). The knowledge of newborn care score for the experimental group was higher than that for the control group, and there was a statistically significant difference (t=-5.82, p<.001). Overall, the results show that baby care using a doll has positive effects on class satisfaction and knowledge of newborn care. In the future, it will be necessary to develop and apply effective teaching methods in line with the times.
Journal of the Korea Academia-Industrial cooperation Society
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v.21
no.5
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pp.523-531
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2020
The aim of this study was to determine the mediating effects in the relationships among nursing organizational culture, workplace bullying, and job stress of nurses. For the descriptive correlational study design, data were collected using a structured questionnaire from nurses at university hospitals (N=130). Statistical analysis was performed on the collected data using SPSS 22.0 statistics program. The mean scores of nurses for nursing organizational culture, workplace bullying, and job stress were 2.99±0.74, 1.85±0.65, and 2.50±0.35, respectively. Nursing organizational culture of nurses had a negative correlation with both workplace bullying (r=-0.45, p=0.001) and job stress (r=-0.61, p=0.001), whereas workplace bullying showed a positive correlation with job stress (r=0.42, p=0.001). Sobel test was conducted to verify the mediating effects, and nursing organizational culture was statistically significant as a partial mediating effect of 0.13 (sobel'z=-2.287, p<0.05) on the effect of workplace bullying of nurses on job stress. These results indicate that nursing organizational cultures need to be established to reduce workplace bullying. It is important to create a nursing work environment that can reduce job stress, a better understanding of the nursing organization cultures related to nursing tasks is crucial, and it is necessary to develop an institutional education strategy for prevention education in hospital organizations.
Journal of the Korea Academia-Industrial cooperation Society
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v.18
no.1
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pp.148-156
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2017
This study was conducted to examine the effects of a simulation-based learning method that utilizes the task of making a video for respiratory patients care. A quasi-experimental non-equivalent control group pre-post test design was used. A total of 56 students-28 students in the experimental group and 28 students in the control group were included. The experimental group received the 2 education sessions with 120 minutes in each session. It was implemented in November, 2014. Data were analyzed with paired t-test and unpaired t-test using SPSS/Win 18.0. The experimental group who had the simulation-based learning method utilizing the task of making video. It showed significantly higher learning satisfaction (p=.008 p<.001), and self-efficacy (p=.010) compared with the control group who had a traditional simulation education. Through this study, The educational effects of video-making task are the stimulation of interest in learners, improvement of self-led learning and communication skills. Therefore, a simulation-based learning method utilizing the task of making a video was an effective teaching method for the growth of professional competency for students involved in health related fields.
Purpose - It suggests that making a policy and strategies for a way of Dubai has a strong priority strategy on science and technology by using much oil dollars to prepare risk when oil dollar's decrease. This has been now investigated how the leading innovator has changed the periphery countries. Research design, data, and methodology - Analyze policy, status, what other neighbouring Middle East countries also want to benchmark a successful case of a leading Dubai strategy. Higher manpower is needed absolutely to develop S&T. and etc. Dubai and Arab countries establish university to nurture as well as invite the talented manpower from overseas to recover deficient manpower. Dubai built totally academy city and invited branch of the overseas famous university, and Saudi Arabia built university(KAUST) and invite faculty and support good scholarship for students. Abrab countries especially, This is studied the process of differentiating and integrating the migrant workers of these cities into the globalized cities. This has resulted in large-scale employment for foreign and local companies in these cities and the spread of science and innovation. Results - Dubai supports venture or SMEs by using a strong priority strategy and attracts foreigner's investor, with which the neighbouring countries have been preparing together for 4th wave. It demonstrates that the gravitational model has been activated from neighboring countries of innovation science to create Dubai's hub. The maturity of long-term urban innovation is related to innovation capability through the national response and review. As a result, the flow of skilled international migration has been localized because of the mutual intersection with the local employment structure, and the development has spread as it spreads to neighboring countries. Conclusion - For the exploiting of new Distribution market in the neighbouring countries, Middle East countries' a strong priority strategy on S&T and education system give an influence on economic situation of the 4th wave in the world and world order of leading by USA, Japan, or EU, and etc. This is due to the creation of clusters in the form of SEZs, friendly industrial policies and world-class infrastructure and innovation development. Its neighbours benchmark the cases of distribution of science innovation and centralizes the surrounding people.
Journal of the Korea Academia-Industrial cooperation Society
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v.17
no.12
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pp.504-510
/
2016
This study presents a model for blended problem-based learning (BPBL) for engineering colleges in Mongolia in order to efficiently train talented Mongolian specialists "With problem-solving skills for the current information technology era. BPBL is learner-centered teaching method that promotes learning. Moreover, current teaching methods in the engineering colleges of Mongolia should change to novel and flexible teaching environments and methods that meet learners' needs. Thus, using BPBL for engineering education development in Mongolia will provide more teaching possibilities, which will assist the professors. Over the past few years, universities in Mongolia have established the Center for Teacher Development, which provides training and gives advice to staff about teaching methods, although the majority of lectures are still fragmentary and anecdotal. Therefore, many professors teach the way they learned, and most teaching methods used up till now have been teacher-centered. However, modern college instructors and modem society demand different engineering teaching methods from teachers who are more familiar with old-fashioned methods. Furthermore, the methods should meet the needs of individuals and groups who prefer to apply technology in the engineering learning process. Using an effective engineering strategy in the development of a new engineering teaching method will lead to its success.
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