• Journal of the Ergonomics Society of Korea
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• v.36 no.4
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• pp.343-353
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• 2017

Objective: This study aims to evaluate the efficiency of two representative subway map design types, namely a diagram type and a geographical type using physiological metrics, performance metrics, and self-reported metrics, which are representative usability metrics. Background: Subway maps need to be designed in order for users to quickly search and recognize subway line information. Although most cities' subway maps currently use the diagram type designed by Henry Beck, New York City's subway map has recently been changed to the subway map type combined with the geographical type designed by Michael Hertz. However, not many studies on its efficiency are found, and the studies that are available mainly depend on questionnaire surveys or take on a subjective behavioral study type based on experts' experiences. In this regard, evaluation through a more objective method is needed. Method: This study employed usability metrics as a method to evaluate the efficiency of information search targeting the diagram type and geographical type subway maps used mostly as subway maps. To this end, physiological metrics obtained through eye tracking, task completion time, representative metric of task performance, and subjective evaluation metrics were used for the suitability evaluation of subway map designs. Results: In the result of gaze movement distance analysis, no significant difference was shown in the two design types in terms of a process finding a departure station from the starting point and a process finding a transfer station between the departure station and arrival station (destination). However, the gaze movement distance in the process finding the arrival station at the departure station was significantly shorter in the geographical type, rather than in the diagram type. The analysis of task completion time showed a result similar to the gaze movement distance analysis result. Task completion time was significantly shorter in the geographical type, rather than in the diagram type, which is in the process finding the arrival station at the departure station. In other information search processes, no significant difference was shown. As a result of subjective evaluation metrics analysis, no significant difference was revealed in the two design types. Conclusion: An analysis on the two representative subway map design types was carried out via the adoption of usability metrics. As a result, although no significant difference was shown in some information search processes, it was revealed that information search was easier in the geographical type overall. Also, it was found that usability metrics can be effectively used to evaluate the design types of subway maps. Application: The study results can be used to set design direction to offer ease in information search on subway lines. The study also can be used as a method to evaluate a subway map's design type.

• Journal of Fashion Business
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• v.6 no.1
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• pp.43-52
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• 2002

The purpose of this study was to present the plan for activation and rationalization of production of ladies' jacket and provide basic materials for improvement of the development of technologies in relation to the productivity improvement of ladies' jacket and the achievement of high quality product. For this purpose, this study attempted to investigate the present situation of jacket manufacturing process. The data is related with local ladies' jacket manufacturing companies in Seoul snd Kyonggi area. The results of this study are as follows. 1. 87.8% of the business firms responded that they acquired the productive process of jacket based on their own knowhow and 80.5% was aware of the need for the analysis of each process. The highest proportion of the business firms(65.9%) pointed out that the advantage of process analysis was the alleviation of the production time. 2. The jacket manufacturing process was made up of 4 stages such as the process of frontal/rear plate $\rightarrow$ the process of accessories $\rightarrow$ the process of completion $\rightarrow$ the process of finishing in a broad sense but composed of a total of 19 stages in detail. 3. Attachment of the sleeves(73.2), attachment of the collar(41.5%) and the formation of the overall silhouette(22.0%) were raised as the challenge in manufacturing ladies' jacket. 4. Most of the sewing business firms made use of the method of completing the collar and then stitching the outer material and the inner collar, and the line of the bodice and the outer collar as the method of stitching the tailored collar. and many of them used the method of completing the collar and then inserting it between the line of the bodice and the outer material and stitching it as the method of stitching the stand collar. They had a preference for the method of completing the sleeve and connecting it to the bodice as the method of stitching the sleeve. and used the method of treating the margin to seam of semi-lined and unlined jacket by treating it with the bias tape.

• Journal of Software Assessment and Valuation
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• v.17 no.2
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• pp.11-17
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• 2021

In this study, problems of software completeness appraisal are pointed out and their solutions are presented by analyzing appraisal cases and judicial precedents. Completeness appraisal, ready-made appraisal, defect appraisal, and cost appraisal have been classified as and have been evaluated with extant software completeness appraisals. From a legal point of view, and in judicial precedents, however, there is a big difference between the definition of completeness and the completion rate. This is because the degree of completeness is evaluated under the premise that the software's development is complete, whereas the ready-made appraisal inspects the development progress of unfinished software. Often, in cases involving software completion rate, the total completion level is calculated by weighting each step of the software development process. However, completeness evaluations use the software's realization-operation as its sole criterion. In addition, another issue not addressed in existing software completeness appraisal cases is that there is no mention of who is responsible for software defects, whereas in case law, the responsible party is determined by finding who caused the dispute. In this paper, we systematically classify these problems, and present a novel evaluation method that separates software completeness evaluations from software completion evaluations.

• Journal of the Korean Society of Manufacturing Technology Engineers
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• v.8 no.6
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• pp.16-25
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• 1999

In recent years, grinding techniques for precision machining of brittle materials used in die, model and optical parts have been improved by using superfine abrasive wheel and precision grinding machine. The completion of optimum dressing of superfine abrasive wheel makes possible the effective precision grinding of die steel(STD-11). In this study, a new system and the grinding mechanism of optimum in-process electrolytic dressing were proposed. This method can carry out optimum in-process electrolytic dressing of superfine abrasive wheel. Therefore, the optimum in-process electrolytic dressing is a good method to obtain the efficiency and mirror-like grinding of STD-11.

• The Korean Journal of Emergency Medical Services
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• v.13 no.2
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• pp.17-59
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• 2009

Purpose : This study is to provide the basic data for developing the curriculum standardization of emergency medical technology by analyzing the three-year and four-year period curriculum and high-advanced major course to bring up highly qualified paramedics. Method : This study was analyzed, divided in 3 sections, majors, teaching profession subjects and liberal arts of 18 three-year curriculum universities and 7 four-year curriculum universities. Majors were analyzed, departmentalized in the national examination for license, the clinical and on-the-job training(OJT) and other major-related subjects. It is descriptive study, analyzed by dividing high-advanced major course into majors and liberal arts. Result : 1) The average number of subjects established in three-year-course college were 58.1. The completion credit was 130.1 in average. Also, the average number of established subjects at four-year-course were 61.1. The average completion credit was 141. 2) Three-year-course college professors give lecture in theory for 95.4 hours on average, which account for 59.9% of overall lecture, and 63.8 hours for practical training that takes 40.1% of the hours lectures are given. Meanwhile, four-year-course give lecture in theory for 111 hours on average, taking a part of 59.5%, and 76.5 hours for practical training, 40.5%. 3) In regard to liberal arts, at three-year-course college, the average credit was 16 but the proportion that liberal arts charge among the completion credit was 11.6. Meanwhile, at four-year-course universities, the average credit was 28.4 and the percentage that the liberal arts took part in the completion credit was 20.1. 4) Looking over national examination subjects among majors at three-year-course college, basic medicine's average credit was 17.2, introduction to advanced emergency care's average credit was 15.5, Special advanced emergency care's average credit was 28, emergency patient management's average credit was 9.2 and emergency medicine statute's average credit was 3.6. Meanwhile, in case of four-year-course universities, basic medicine's average credit was 14.3, introduction to advanced emergency care's average credit was 12.7, special advanced emergency care's average credit was 31, emergency patient management's average credit was 8.3 and emergency medicine statute's average credit was 2.9. 5) Among national examination subjects, in case of three-year-course, the range of basic medicine credits was 6 to 23, the average credit showed 17.2. The range of introduction to advanced emergency care credits was 9 to 21, the average credit showed 15.5. The range of special advanced emergency care credits was 19 to 36, the average credit showed 28. The range of emergency patient management credits was 5 to 12, the average credit was 9.2. The range of legal medicine credits was 3 to 6, the average was 3.6 credit. In case of four-year-course the range of basic medicine was 12 to 17, the average of the credit was 14.3. The range of introduction to advanced emergency care was 9 to 19, and the average of the credit was 12.7. The range of special advanced emergency care was 18 to 41, and the average of the credit was 31. The range of emergency patient management was 7 to 12, and the average of the credit was 8.3. The range of legal medicine was 3 to 4, and the average of the credit was 2.9. So except special advanced emergency care, all the other subjects had higher score in three-year-course than four-year-course. 6) About the other major-related subjects, the completion credit was 23 on average at three-year-course and 13.5 at four-year-course. 7) The clinical and on-the-job training(OJT), In the case of three-year-course, the average completion credit was 13.5 and 13.5 at four-year-course. 8) The teaching profession subject, In the case of three-year-course, the average credit was 3 and the percentage that the teaching profession subject took part in the completion credit was 2.3% on average. Four-year-course established the subject only at one university. 9) In high-advanced major process, the entire established subjects on average were 12.8 and the average completion credit was 36.3. In liberal arts, the average established subjects were 6.5 and the completion credit was 19.5. The number of majors were 9.5 on average and the credit was 26.5 Conclusion : According to the aforemention results, the curriculum for emergency medical technology needs to be developed and standardized.

• Proceedings of the Korean Society for Technology of Plasticity Conference
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• 1998.06a
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• pp.33-40
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• 1998

In recent domestic automotive industry, applications of computer simulation to the manufacturing of stamping dies for inner and outer body panels which greatly affect durability and aesthetic quality of automobiles, have been increased. Enhancement of die quality, and reduction of total die manufacturing time and consequently manufacturing cost are the visible outcome. However, to successfully apply the result of simulation by a commercial package to the die manufacturing, development of an optimal die manufacturing process is required upon the completion of analysis of forte and shortcomings of available sheet metal forming softwares in the market. Based on the results of numerical analysis of front door outer panel forming, this paper evaluates the applicability of simulation results to the real die making for automotive body panels. Also, it attempts to select an optimal die manufacturing process including design, machining and tryout. Lastly, it discusses the expected effects by adopting the selected process in a real stamping die manufacturing facility.

• Transactions of Materials Processing
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• v.7 no.6
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• pp.586-593
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• 1998

In recent automotive industries there has been significant increase in applications of computer simulation to the manufacturing of stamping dies for inner and outer body panels which greatly affect durability and aesthetic quality of automobiles. Enhancement of die quality and reduction of total die manufacturing time and consequently manufacturing cost are the visible outcome. However to successfully apply the result of simulation by a commercial package to the die manufacturing development of an optimal die manufacturing process is required upon the completion of analysis of forte and shortcoming of available sheet metal forming softwares. Based on the results of numerical analysis of front door outer panel forming. this paper evaluates the applicability of simulation results to the real die manufacturing for automotive body panels. Also it attempts to select an optimal die manufacturing process including design machining and tryout. Lastly it discusses the expected effects by adopt-ing the selected process in a real stamping die manufacturing facility.

• Transactions of Materials Processing
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• v.28 no.2
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• pp.89-97
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• 2019

In this paper, we examine the application of a new concept - on-line FE model in various metal rolling processes. This technology allows for completion of process simulation within a tiny fraction of a second without losing the high level of prediction accuracy inherent to FEM. The procedure is systematically demonstrated through the design of actual on-line models for the prediction of the width spread in horizontal rolling of the slab using a dog bone profile and horizontal rolling of the strip with a strip profile. The validity and the prediction accuracy of the on-line FE models were analyzed and discussed.

• Journal of the Korean Institute of Rural Architecture
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• v.8 no.3
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• pp.35-42
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• 2006

There are some studies about user's participation to reflect their desire and value on the planning of house by this time. These were constitution of unit space focused on the apartments, which is mostly theoretical. In architectural planning process, it takes time for continuous discussion and revision between architects and users. Also changes of plan must of necessity be so because of in or outside conditions. So, user's participation has its meaning that they take part in each step and portion of process faithfully on whole architectural processes. In this case, tenants of single houses were decided and they already buy building site and lay out rules jointly. With this circumstance I've researched a kind of test the reflection on various desires and its acceptance in each steps through completion of a construction work, which is based on their participation.

• Proceedings of the Korean Society of Machine Tool Engineers Conference
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• 1997.10a
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• pp.25-30
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• 1997

In recent years, grinding techniques for precision machining of astainless steel used in shaft, screw parts and clear value have been improved by using superabrasive wheel and precision grinding machine. The completion of optimum dressing of superabrasive wheel makes possible the effective percision grinding of stainless steel. However, the present dressing system cannot have control of optimum dressing of the superabrabive wheel. In this study, a new system and the grinding mechanism of optimum in-process electrolytic dressing were proposed. This system can carry out optimum in-process dressing of superabrasive wheel. Therefore, the optimum in-process electrolytic dressing is a good method to obtain the efficiency and mirror-like grinding of stainless steel(SUS304).