• Journal of Practical Engineering Education
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• v.8 no.2
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• pp.121-128
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• 2016

In injection molding process, the appearance quality issue occurs in most injection molded article. One of thermal designs for the mold was performed by increasing the cavity wall temperature with being as uniform as possible in any position. On the basis of the practical evaluation, the cavity wall temperature and finishing machined cavity surface under the optimum processing conditions are the most significant factors to avoid the appearance issue on the plastic part for a good cosmetic quality. Also, the wrong choice of gate type and location can have a considerable effect on the quality of a molded part and it's so important to keep the correct runner balance from each cavity. We've proposed the education training model of the practical tool technology course for the field oriented education to improve practical tool technology ability and optimized tooling design for injection molding quality which can be performed at the workplace substantially.

• Journal of Practical Engineering Education
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• v.11 no.1
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• pp.9-15
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• 2019

We studied the perceived creative ability, convergent thinking and creative leadership related to converged capabilities among students who participated in the capstone design and graduation works and those who did not participate. In creative ability, students who participated capstone design and graduation works need more curriculum and non-curriculum activities for the idea generation through the understanding of various majors, but overall, they achieved higher positive results than the nonparticipating students. For creative leadership and convergent thinking, students with capstone design and graduation works showed a more positive capabilities, while students with nonparticipating students showed a slightly lack of creative thinking of higher order thinking, the logical analysis of complex phenomena, and overall understanding.

• Journal of Practical Engineering Education
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• v.11 no.2
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• pp.167-174
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• 2019

In the case of Java programming education for non-major undergraduates, there are no examples of applying the physical computing education method. The advantage of physical computing education is that you can directly check the SW processing output result according to the input value of digital and analog sensor, so that you can quickly correct programming errors and improve learner's learning interest and satisfaction. In this paper, we use the microbits to combine physical computing education with basic Java programming education. In addition, according to the computational thinking process, we proposed an educational method for creating Java programs using microbits. Through block programming to control the microbits, we designed an algorithm and applied a training method to convert it into a Java program. In addition, the results of students' evaluations were analyzed in the course applying the education method, and the effectiveness of the education method using the microbit was analyzed.

• Journal of Practical Engineering Education
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• v.10 no.2
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• pp.89-94
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• 2018

In injection molding, the tool temperature has a great influence on the quality of the molded article. The appropriate temperature is determined by the molding material and the quality required for the molded part, and the important point is that the temperature should be stable. First, the tool temperature should be set in accordance with the quality required by the molded article within the range of the tool temperature conditions suitable for the material. That is, the tool temperature changes depending on the importance of the surface gloss of the molded article, shortening of the molding cycle, prevention of deformation, degree of shrinkage, ease of resin flow and the like. In order to improve practical tool technology, we propose a training model of the difficult process of tool temperature control which can be utilized in industry that design and manufacture injection mold.

• Journal of Engineering Education Research
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• v.12 no.4
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• pp.18-29
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• 2009

The main objective of this study is to provide necessary information to improve the college curriculums to reflect the demands from the industry. As a result of the evaluation on the contribution of the engineering colleges to industries, we found out that the knowledge required in the industry was well reflected in contents of college curriculums and the number of college graduates who took the curriculums that contain knowledge and skills required in the industry was very small compared to the number of courses established in colleges. The satisfaction rate on practical application of the knowledge and skills at the work was relatively high. According to the result of evaluating curriculums of different colleges it was found out that the areas where colleges put their key focus were different by schools.

• Journal of Engineering Education Research
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• v.12 no.1
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• pp.64-72
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• 2009

The objective of the current study is to establish the CQI procedure of leadership outcome education, which is emphasized in engineering education accreditation. Leadership includes many program outcomes, especially soft skills, such as communication skill, team work skill, and etc. This paper studied leadership education program in Yeungnam University. In particular, this research was conducted by using focus group interviews with experts and working level staffs of relevant organizations for the analysis of Yeungnam University curriculum and non-curriculum courses related to leadership education and for the preparation of leadership education CQI method. In addition, we conducted leadership competence diagnosis, leadership education demand survey and satisfaction level survey on the leadership camp participants. Interviews with experts, lecturers and focus group of Dale Carnegie Research Institute Daegu branch that administered the progress of leadership camp were conducted along with analysis of education contents through non-participation observation method during camp period and participant students interviews. The conclusions are summed up as follows: To educate global leaders in true meaning, first, psychological level competence strengthening method and study completing ability improvement method should be considered simultaneously. In particular, for non-capital region universities, emphasis should be given to education for self-confidence and vision establishment. Second, leadership education methods of mid/long term and systematic curricular and extra-curricular type should be pursued. For instance, with the use of engineering design subject completing system, leadership education can be consolidated to engineering subject courses with engineering design projects or the system of mentor-pupil among earlier leadership camp participants and later participants may be utilized. Third, it is determined necessary to pursue and realize practical methods of conducting various intramural leadership related education activities in mid/long term perspective by organizing leadership education advisory group consisting of major, departments and intramural and extramural relevant organization authorities that focus on leadership education.

• The Journal of Korean Institute for Practical Engineering Education
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• v.4 no.2
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• pp.84-90
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• 2012

It is described that the total analysis of CD-R, a digital recording media, including the planning and performing chemical analysis of cross sectional structure of recording layer, dye composition and chemical structure as an example of design for chemical analysis. Since chemical analysis of unknown sample is often involved the complicated process requiring many experiences and knowledge, students feel difficulties in planning the procedure of chemical analysis and selecting analytical methods. Thus, an example of chemical analysis is provided here to help student understanding the hole procedure of CD-R analysis. In this study, SEM is used to determine the cross sectional structure of PC substrate and recoding layer of CD-R. The dyes in recording layer is dissolved with solvent and separated with using TLC, analyzed with using UV-Vis absorption spectrometer. Then, the chemical structure of each component is determined with using GC-MS, NMR and mass spectrometer.

• The Journal of Engineering Research
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• v.2 no.1
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• pp.31-37
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• 1997

This paper describes the design and implementation of 8 bit ALU graphic simulator which helps students who study the structure and operation course of general ALU. ALU of this paper consists of three parts, arithmetic circuit, logic circuit, and shifter. Each of them performs as follows. Arithmetic circuit performs arithmetic operation such as addition, subtraction, 1 increment, 1 decrement, 2's complement, logic circuit performs logic operation such as OR, AND, XOR, NOT, and shifter performs shift operation and transfers the result of circuits of arithmetic, logic to data bus. The instructions which relate to these basic ALU functions was selected from Z80 instructions and ALU circuit was designed with those instructions and this designed ALU circuit was implemented on graphic screen. And all state of this data operation course in ALU was showed by bit and logic gate unit.

• Journal of Practical Engineering Education
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• v.12 no.1
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• pp.163-176
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• 2020

Promoting job growth and quality has been central to developing countries to reduce poverty for decades. In this regard, Nepal is not unique in its need to develop effective TVET programme as it is considered showing positive association with workforce development and productivity. While the copious academic literature has highlighted upon staff training programme in general education, it encounters lack of adequate attention in the field of TVET education. The purpose of the study is to identity and prioritise the professional development needs for the teachers of TVET sector in Nepal. A sample(N=317) of Nepalese teachers from seven provinces were asked to answer the scale. The Borich needs assessment model was employed to assess the perceived level of importance and present preferred training modules among 29 teaching subjects. Moreover, a quadrant analysis using 2×2 matrix was used as a diagnostic tool to denote overriding training topics. The result shows that following competence skills constructs were perceived to be in high need of enhancement as well as in existence of discrepancies: 'occupational characteristics of TVET trainer', 'training needs analysis and curriculum development', 'curriculum development based on national competence standard(NCS)', and 'Institution management evaluation'.

• Proceedings of the Korea Information Processing Society Conference
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• 2001.10b
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• pp.1611-1614
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• 2001

현재 웹 상에서 진행되는 교육용 컨텐츠들은 날로 인기가 놀아지고 그에 부응하여 많은 교육용 웹 애플리케이션들이 만들어지고 있다. 그러나 증가되고 있는 컨텐츠 개발을 위한 기술과 도구들은 빠른 발전을 이루고 있는 반면 개발 프로세스에 대해서는 관심을 두지 않았다. 분석과 설계가 결핍된 상태에서 개발된 웹 애플리케이션은 품질 저하와 생산성 저하 등의 부정적인 파급효과를 가지게 된다. 따라서 교육용 웹 애플리케이션은 개발 초기에 적절한 모델링이 필요하다. 본 연구에서는 소프트웨어 공학 기술을 컨텐츠 개발에 적용하는 접근 방법을 사용하여 웹 애플리케이션 설계를 돕는 메커니즘을 제공하고 웹 기반의 맞춤형 교육을 위한 컨텐츠 모델링 방법에 관하여 논의한다. 웹 애플리케이션의 구성요소의 기호와 의미를 정립하고 교육용 컨텐츠의 구조를 정의, 분석한 후 웹 기반 시스템 모델링을 위한 구조로 재정의 한다. 적절한 모델링 과정을 거쳐 교육용 웹 애플리케이션을 개발함으로써 교육용 웹 컨텐츠의 체계적인 개발 및 관리 지원이 가능하게 된다.