• Proceedings of the Korean Institute of Building Construction Conference
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• 2012.11a
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• pp.5-7
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• 2012

Repeated using carpentry workers work at working tools because of occupational low back pain, such as musculoskeletal disorders, occupational diseases are on the rise. For this purpose, through the analysis of musculoskeletal disorders and work tools and studies are underway to improve the working conditions of the workers. However, existing previous studies may not reflect the working tools used for carpentry worker dies when working at a construction site that Therefore, in this study, the work in the form of construction, one of the jobs of worker dies classified according to the working tools of musculoskeletal disorders correlated to analyze. The results of this study are as follows. working tools of a total of seven different dies used in the installation process. Musculoskeletal disorders, waist / drill such correlation was very strong. Also showed that a total of three of the tools used in the formwork dismantling cutter musculoskeletal disorders of the arm / elbow and a very strong correlation.

• Journal of Korean Society for Quality Management
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• v.46 no.2
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• pp.259-268
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• 2018

Purpose: SIT(Systematic Inventive Thinking) has been widely used in recent years. The validity of the five thinking tools of SIT is examined, and how to improve the inventive thinking tools is investigated. Methods: Frequency analysis on the usage of the TRIZ 40 inventive principles was used. Inventive thinking tools are derived by eliminating principles with low frequencies and grouping similar principles together. Results: Segmentation, prior action, combining, extraction, cushion in advance, transformation of properties are most frequently used among the 40 principles of TRIZ. The most frequently used principles and similar principles with them are grouped into new inventive thinking tools. Two of them, division and attribute dependency, belong to the 5 thinking tools of SIT, and the others, proactive measures, combination and reversal, do not. Conclusion: The newly identified inventive thinking tools are division, combination, proactive measures, attribute dependency, and reversal. The new five inventive thinking tools are quite efficient since they can cover more than two thirds of the TRIZ 40 inventive principles.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2005.06a
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• pp.785-791
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• 2005

Reconfigurability of machine tools is one of the critical factors to realize the responsive manufacturing systems to satisfy the mass-customization production. This paper presents the methods to model and simulate the machine tools on Internet in response to change in the machining requirements. Specifically, a set of module combination rules and a modeling method of the structure of machine tools using connectivity graph are developed. In response to the user requirements, kinematic relations and structures of machine tools can be derived using the module combination rules and connectivity graph relationships. Internet-based simulator of machine tools is implemented and presented. The developed machine tool simulator can be used to verify the structure of machine tools derived from the user requirements.

• Korean Journal of Child Studies
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• v.34 no.4
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• pp.83-104
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• 2013

The purpose of this study is to develop assessment tools to diagnose the child friendly level in a given community. To develop such assessment tools, the literature related to this issue was reviewed, and in order to reflect Korea specific social and cultural characteristics, 198 children and adolescents and 104 parents were interviewed in depth. The questionnaires were classified as objective tools and subjective tools by means of a content validity test by experts and a verification by preliminary survey. Objective tools are defined as those which are used by professionals to check facts based on laws and institutions. 20 objective questionnaires were created and completed. In contrast, subjective tools were used to check the subjective perceptions of children, adolescents and parents on their community environments. Subjective tools were collected as the basis for the data for construct validity and was calculated to verify the validity. For this purpose, 432 children and adolescents between 11 and 18 and 201 parents living in Seoul, Daejeon and Hwaseong (n=633) were surveyed. Subjective tools, 33 questions in 6 areas were created and completed for parents and for children and adolescents, 30 questions in 5 areas were created and completed.

• The Journal of the Korea Contents Association
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• v.16 no.12
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• pp.143-150
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• 2016

Modular house is built by assembling various joints. Module assembly in the stage of on-site installation is very important process, because assembly process directly affects the structural stability and the quality. However, manual tools and electric-powered tools have a problem in that assembly productivity and quality are reduced during long-time usage. Although pneumatic assembly tools for modular house have been developed, but empirical analysis to compare and evaluate the performance of tools has not been sufficient. This study compares and analyzes the assembly quality and productivity by applying existing assembly tools and new pneumatic tools to the field. The analysis results show that pneumatic assembly tools are more excellent in terms of assembly productivity and quality.

• Journal of Korean Elementary Science Education
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• v.23 no.2
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• pp.93-100
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• 2004

To get an appropriate and meaningful performance assessment outcomes and to provide the base of essential elementary educational evaluations, we had tried to establish achievement standards, assessment standards and had developed appropriate assessment tools in 「Intelligent Life」 course of the elementary school in this study. The following things were taken into account to establish achievement standards, assessment standards and to develop assessment tools. First, managing deeply not only cognitive domain but also the basic inquiry skills and affective domain, all-round educational properties of integrated courses were likely to come out. Second, evaluating instructional processes as well as instructional results, we had developed assessment standards in elementary 2nd grade's 「Intelligent Life」 course. Third, developing assessment standards on the basis of the 7th Curriculum, we had examined both text book and teacher's guide to promote effectiveness of field application. The type of an assessment tools had been developed variously, considering the characteristics of the elementary lower grades and properties of elementary 2nd grade's 「Intelligent Life」 course. We had developed assessment tools to observe and evaluate practical achievement levels, placing great importance on the types of an assessment tools including observing, narrative of inquiry, report, etc. As a result of investigation of elementary teachers' understandings of the developed achievement standards, assessment standards, and an assessment tools, were revealed in the affirmative on the whole.

• Journal of the Korean Society of Manufacturing Technology Engineers
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• v.20 no.3
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• pp.357-360
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• 2011

Machine tools of Gantry type have been performing machine work as a moving machinery. In a large machine tools, the machinery is moving with bed and it is structurally unstable. When the objects are processed, machine tools gets loads in the direction of Z-axis. In other words, the machine tools which become bigger was performed by the trend of complexation. It made that the increased machine weight can't be passed over. In order to enhance manufacturing precision, it needs to compensate Z-axis deflection of weight for machine tools. In this paper, Machine tools of Gantry type were miniaturized and deflection was measured by LVDT sensors. When deflection was measured, block mass weighted 50kg is moving on particular distance. Then, the displacement of fixed point and moving point is measured by recording telemeter.

• Journal of the Korea Safety Management & Science
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• v.14 no.4
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• pp.281-289
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• 2012

Recently, creative innovation has become a major topic in management innovation and due to this, various researches on its need and methodologies are being performed. According to previous studies on ambidexterity, explorative innovation is closer to divergent and right-sided brain, while exploitative innovation is closer to convergent and left-sided brain. Five attributes of the questionnaires were developed based on right-sided and left-sided brain theory. Also, 25 problem solving tools were selected according to previous studies. QC 7 Tools and new QC 7 Tools were frequently used in Six Sigma projects. Other 11 problem solving tools were selected with consideration on its usage frequency. Survey questionnaires were distributed to 25 Six Sigma consultants and 22 were retrieved for this study's use. As a result, 14 tools were identified to hold exploitative attribute while 11 tools were identified to hold explorative attributes.

• Journal of the Korea Convergence Society
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• v.10 no.7
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• pp.383-390
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• 2019

This study was done to evaluate current spiritual distress assessment tools and to assess nursing research adapted this spiritual distress assessment tools. Spiritual distress assessment tools were identified through systematic review. Ten studies about spiritual distress assessment tools were identified. In these studies, three international and one domestic standardized assessment tools were found. The purpose of developing these tools was to provide spiritual care through assessing spiritual distress. Domestic assessment tool had low reliability, was not proved by constructive validity, and did not include multidimensional spiritual concepts. International assessment tools may take into account cultural and religious backgrounds in the context for cultural adaptation of instruments. Based on these results, the development of Korean version of spiritual distress assessment tool is recommended.

• The Journal of Information Systems
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• v.32 no.2
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• pp.153-176
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• 2023

Purpose As non-face-to-face work environments become common due to COVID-19, interest in online collaboration tools that can communicate smoothly without time and space limitations is continuously increasing. Most of the prior studies are about the introduction, use intention, and satisfaction of cloud computing-based collaboration tools, and studies on the effects of collaboration tools on work-life balance and quality of life are somewhat lacking. Therefore, in this study, the characteristics of cloud computing-based collaboration tools were derived, and the effect on job satisfaction during work and job stress outside of working hours was confirmed. Design/methodology/approach This study applied the S-O-R framework and conducted an online survey of office workers who used cloud computing-based collaboration tools for more than three months. Hypotheses were tested using structural equations. Findings As a result of the analysis, among the characteristics of collaboration tools, stability, usefulness, and interoperability had higher job satisfaction as more stimuli were applied. In addition, the higher the job satisfaction during work, the higher the job performance, work-life balance, and quality of life.