• Journal of Institute of Convergence Technology
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• v.12 no.1
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• pp.31-35
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• 2022

This study has been carried out in order to improve the rolling problem by enhancing steering stability compared to the 2021 Student Car of the KNUT_EV team for KSAE. Among the various factors affecting steering performances, it was focused on the height of the centroid of weight, the motion ratio, and the spring deflection. In the 2022 Car, a pull rod suspension was used to reduce the height of the centroid of weight and designed with a structure of the rod and rocker to satisfy the target motion ratio. The spring deflection was testified by ADAMS and ABAQUS analysis, and the spring stiffness was selected at 350lb/inch and 450lb/inch for the front and rear wheels, respectively. As a result, the rolling angle of the 2022 Car was reduced compared to the 2021 Car, and the rolling phenomenon was improved.

• ICROS
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• v.7 no.2
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• pp.18-21
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• 2001

• Journal of Engineering Education Research
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• v.25 no.6
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• pp.47-57
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• 2022

This research aims to examine the relationships between empathy and attitudes toward curricula integration of engineering students. To achieve this goal, first, differences in empathy and attitudes toward curricula integration among engineering students were examined. Second, the effects of attitudes toward curricula integration, as perceived by engineering undergraduate students, on empathy were explored. A total of three hundred and two engineering undergraduate students from three universities in Korea responded to survey based on a two-variables scale. The findings were that, firstly, a positive correlation among sub-factors of empathy and attitudes toward curricula integration was identified. Secondly, attitudes toward curricula integration could explain about 12% of empathy. The practical implications of these findings are discussed herein, with particular attention on education for promotion of empathy for engineering students.

• Journal of Convergence for Information Technology
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• v.9 no.10
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• pp.114-121
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• 2019

The purpose of this study was to examine the effects of the undergraduate research program(URP) among Korean students. URP is frequently implemented in STEM(Science, Technology, Engineering, Math) majors, and this study tested whether the participation of URP was effective in convergence competency, major satisfaction, and academic achievement. Data were collected from 101 participants and 117 non-participants of URP at an A university. The research results showed that the mean scores of convergence competency, major satisfaction, and academic achievement of the URP participating group were significantly higher than those of the non-participating group.

• Journal of Information Technology Applications and Management
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• v.25 no.2
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• pp.91-108
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• 2018

The purpose of this study is to examine the direction of the students' satisfaction improvement by comparison of related disciplines of undergraduate management information systems (MIS) majors. MIS is one of the academic disciplines that have become important as the demand for manpower for new industries in the 4th industrial revolution. We surveyed 3rd and 4th grade undergraduate students in the departments of management information systems, business administration (BA), computer engineering (CE) of C university. The results revealed that the students' satisfaction was influenced by the ability of the professor, the curriculum development, and the curriculum operation factors. Especially, it was found that the curriculum operating factors among the three departments had greater effect on the students' satisfaction. If the education environment is improved considering curriculum operating factors and the administrative and service factors and that are important in the CE departments, it will be helpful for the students' satisfaction improvement of MIS.

• Design & Manufacturing
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• v.6 no.2
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• pp.1-5
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• 2012

Weld line in injection molded part is one of the defects in injection molding process. Weld line deteriorates not only appearance quality but mechanical property. In this study, ABS and PP were used as experimental materials. And weld line length, depth and strength have been examined according to the injection molding conditions. As the results of experimental studies, weld line length increased as flow rate increases for all materials. And the flow rate is most influenced to the creation of weld line length. Also weld line strength increased, as flow rate and melt temperature increase for all materials. The whole experiment results was similar to CAE analysis results.

• Journal of Engineering Education Research
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• v.22 no.1
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• pp.55-60
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• 2019

This paper deals with the process and requirements of a capstone design project performed by undergraduate students. We discuss about the preliminary study for the capstone design, the derivation of a subject, the level descriptor of the subject, and the system requirements. And then, we summarize the results of the capstone design project entitled as Microsoft Azure based IoT (Internet of Things) system which is performed by 4 undergraduate students during 10 months. This system is composed of a Zigbee sensor network, the TCP/IP Internet, an IoT server, and a smartphone application program, with which we can gather the sensor data and control actuators at the far away area.

• Journal of Engineering Education Research
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• v.20 no.5
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• pp.14-22
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• 2017

This research aims to explore characteristics of engineering students' thinking styles compared with those of undergraduate students in Korea. For this, we investigated whether there were differences of thinking styles in undergraduates according to majors and gender. 'Thinking styles', one individual-difference variable, has received particular attention in recent years. Styles are not abilities but rather refer to individuals' preferred way of applying their abilities in cognitive tasks(Sternberg, 1988). There has been much research(domestic and foreign) about thinking styles and their related factors. However, to date, little attention has been paid to engineering students' thinking styles, and few studies have dealt with them together with undergraduate students' of various majors. This study was conducted with a total of 865 students from 3 universities, and thinking styles have been measured online. Our findings show that firstly, there were significant differences in undergraduate students' thinking styles by majors. Engineering students scored significantly higher in external style, students majoring in humanities scored higher in executive, hierarchical and conservative styles, and students majoring in arts scored higher in legislative, internal and liberal styles. Second, there was a significant difference in students' thinking styles by gender. Male students scored significantly higher than females in judicial, global and external styles. Whereas female students scored higher than males in hierarchical and internal styles. Third, there was a significant difference in engineering students' thinking styles by gender. Male engineering students scored significantly higher than females in judicial and monarchic styles. Whereas female engineering students scored significantly higher in hierarchical styles. Based on these findings, it is expected to apply thinking styles to develop related courses as well as programs for engineering students.

• 한국금형공학회:학술대회논문집
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• 2008.06a
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• pp.115-119
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• 2008

Weld line in injection molded part is one of the defects in injection molding process. Weld line deteriorates not only appearance quality but mechanical property. In this study, ABS and PP were used as experimental materials. And weld line length, depth and strength have been examined according to the injection molding conditions. As the results of experimental studies, weld line length increased as flow rate increases for all materials. And the flow rate is most influenced to the creation of weld line length. Also weld line strength increased, as flow rate and melt temperature increase for all materials. The whole experiment results was similar to CAE analysis results.

• International Journal of Naval Architecture and Ocean Engineering
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• v.5 no.3
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• pp.364-375
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• 2013

Contemporary lectures in undergraduate engineering courses typically focus on teaching major technical knowledge-based theories in a limited time. Therefore, most lectures do not allow the students to gain understanding of how the theories are applied, especially in Naval Architecture and Ocean Engineering departments. Shipyards require students to acquire practical ship design skills in undergraduate courses. To meet this requirement, two lectures are organized by the authors; namely, "Planning Procedure of Naval Architecture & Ocean Engineering" (PNAOE) and "Innovative Ship Design" (ISD). The concept of project-based and collaborative learning is applied in these two lectures. In the PNAOE lecture, sophomores receive instruction in the designing and building of model ships, and the students' work is evaluated in a model ship contest. This curriculum enables students to understand the concepts of ship design and production. In the ISD lecture, seniors learn how to develop their creative ideas about ship design and communicate with members of group. They are encouraged to cooperate with others and understand the ship design process. In the capstone design course, students receive guidance to facilitate understanding of how the knowledge from their sophomore or junior classes, such as fluid mechanics, statics, and dynamics, can be applied to practical ship design. Students are also encouraged to compete in the ship design contest organized by the Society of Naval Architects of Korea. Moreover, the effectiveness of project-based and collaborative learning for enhancing interest in the shipbuilding Industry and understanding the ship design process is demonstrated by citing the PNAOE and ISD lectures as examples.