• KSCE Journal of Civil and Environmental Engineering Research
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• v.31 no.6B
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• pp.541-550
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• 2011

This study sets the goal to improve effectively water quality of stream by complementing the weak points of the gravel contact oxidation process to use the inverted siphon curved channel system in free overfall of serial contact materials. The size of the current system can be diminished by expanding contact time, and the materials' replacement can be made easier when their gap are closed through the filtering boxes of contact materials. This system also has been developed into a construction method in which mixed and serial contact materials can be employed by using just the conventional single contact materials. It was verified the improvement ability of water quality of this system, during the simulation test at Tandong stream in Daejeon. The results of the verification of water quality improvement through several experiments in field were measured as follows : it showed to reduce about the averaged 55~83% higher than 60~75%, the internal planned goal of water quality improvement facilities.

• Journal of Korean Society for Quality Management
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• v.50 no.1
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• pp.1-19
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• 2022

Purpose: The purpose of this study is to design a system for quality management and improvement of overall public services. Methods: Literature Review, Framework Design Method, Case Studies Analysis Results: Public Service Quality Management Principles, Definition of Public Services Quality Management Areas, Quality Management Guidelines, Service Quality Management Tools Conclusion: In this study, a study case of the public service quality management framework, which is a system that supports overall quality management and continuous quality improvement of public services, is presented. The management system was designed based on the existing research results and domestic and foreign cases of public service standardization, targeting the entire public service.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.19 no.6
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• pp.55-67
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• 2018

The Korean defence industry has grown rapidly since the 1970s. In 2015, it generated more than 168 billion won in economic revenue, and exports exceeded 3.6 billion won. With the development of the defense industry, the level of the quality management system for major contractors has improved substantially, but there are many areas of the quality management system that still need improvement for small subcontractors. Therefore, in this paper, we develop a methodology to improve the quality management system for small subcontractors. Based on 101 collected cases, this methodology results in generally improved effects and generally improved methods. By applying the Russian Theory of Inventive Problem Solving (TRIZ) concept of a contradiction matrix, three improvement matrices are derived. A developed improvement matrix is the main support tool of this methodology. This methodology consists of four tasks and eight subtasks, and it can be used as a support tool for creative problem solving by the quality assurance department and the quality assurance manager for small subcontractors.

• Journal of Korean Society for Quality Management
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• v.30 no.3
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• pp.150-167
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• 2002

Normative theory suggests that control systems should be designed to complement management's objectives and strategies. However, few empirical studies have focused on how control systems have been modified to complement new manufacturing techniques, such as zero-defect strategy. The major purpose of this study is to examine the effects of the attributes of quality strategy and control system on performance. The previous studies have subdivided quality strategy into the ECL(economic conformance level) and ZD(zero-defect) strategy. To accomplish the purpose, this study empirically analysed the data based on the questionnaires from manufacturing department personnel of 67 Korean companies. The major results are as follows. The companies that had implemented the ZD strategy and its control system outperformed the companies that had implemented ECL strategy. Also, the ZD strategy differs from ECL strategy in control system, the criteria of performance evaluation and feedback frequence variable. There is no difference in quality performance monitoring and communication variable. From this results, although many companies have strived for continuous improvement of quality, it was restricted in improvement activities that dont's required much investment cost, quality performance monitoring and communication.

• Journal of the Korea Safety Management & Science
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• v.15 no.4
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• pp.279-288
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• 2013

The purpose of this study is to present a case study of six sigma quality improvement practice in cooling fan motor(CFM) manufacturing processes. In this study, the CFM manufacturing process of automobile parts not relevant to the target process rate of the process point of view, in order to reduce the system to solve the problem of localized resolution procedures of six sigma DMAIC methodology was applied to study. In conclusion, this study's field D in order to improve the initial rate of inadequate quality management best practices by applying the method of Six Sigma quality CFM failure through stabilization schemes were proposed cost reduction.To be CFM product to satisfy customers based on continuous monitoring of the effective field of claims quality management system is required.

• Journal of the Korea Institute of Building Construction
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• v.1 no.2
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• pp.133-145
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• 2001

The aim of this study is to improve quality system through mutual understanding for the opinion gap among interested parties such as owner, designer, constructor and supervisor in construction industry. The survey to the owners, designers, constructors, and supervisors who are in charge of quality of the 183 architectural projects being constructed has been performed for investigating the importance and actual level of quality and quality factors. Questionnaires are based on the quality factors shown in ISO 9001:2000 international quality management system requirements. There are distinct opinion gaps for quality among owner, designer, constructor, and supervisor who working for the same architectural projects.

• Journal of Korean Society for Quality Management
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• v.46 no.3
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• pp.465-482
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• 2018

Purpose: This article aims 1) to propose improvement directions of the certification by recognizing the quality management practices based on the analysis of the audit results of the military contractors and 2) to suggest some ideas on quality audit planning preparation to help the government quality assurance representatives. Methods: Based on the nonconformity report of the defense quality management system (DQMS) requirements, frequently occurring requirement components are found and summarized. Three hypothesis testings are executed to check whether the maturity levels of the quality management systems are influenced by the company size, weapon tye, and company type, regarding the nonconformity frequency as dependent variable. Results: Nonconformity occurs most frequently in the order of product realization, measurement analysis and improvement, management responsibility, resource management, and quality management system. Nonconformity reduces when the company size increases, for the guided weapons, and in the defense companies. Conclusion: Since small-sized companies are inferior to larger companies with respect to the DQMS maturity level, more support should be provided to these small-sized companies which produce military supplies.

• IE interfaces
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• v.17 no.1
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• pp.93-103
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• 2004

Service importance has been growing increasingly as competition element of enterprises according to going on rapid softness, information and knowledge of industrial infrastructure recently. Quality management system that implemented in manufacturing sector have been spreading rapidly to service company, but the company performing pure engineering service only in construction fields performed mainly the evaluation on the operational aspect such as degree of implementation of the established system because it is difficult to objective evaluation on the activity of the established quality management system or quality assurance system. This study would like to make on offer the improvement points based on the evaluation of service quality and the itself evaluation result through the questionnaire on the service offerers and customers using the pre-qualified SERVQUAL model in establishment of the improvement goal of the company. According to the result of this study, it is analyzed a gap and required to establish a counter-plan to correct many gaps discovered between the real offered level and the expect level of custom.

• Journal of Korean Society on Water Environment
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• v.36 no.3
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• pp.245-254
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• 2020

Water quality improvement projects are being implemented without predicting the effect of water quality improvement on Lake Sapgyo. As the method of selecting the target stream for the effective conduct of water quality improvement projects the method of rating the streams were studied. To build a stream grading method, 60 major streams in the Lake Sapgyo system were monitored. The selection method of rivers subject to priority management for water quality improvement was applied to the stream grading method using the Analytic Hierarchy Process (AHP). The analysis of importance by site by stream grading method revealed the following: water quality (36.0%), flow (26.1%), travel load (13.4%), TMDL density (12.0%), TMDL (8.9%), and area (3.7%). The pollution level of the river was scored by using the stream grading method, and the ranking of 51 streams was calculated. Based on this, the group was classified into six grades (A-F). Among the groups, the F and E groups were selected as the priority management streams. Cheonan-Cheon (Cheonan City) was selected as the first stream to establish water quality improvement measures in the Lake Sapgyo system, and Seowoo-Cheon (Dangjin City) was selected as the second site, and Oncheon-Cheon (Asan City) was selected as the third site. Each local government is expected to improve the water quality improvement effect with limited resources when establishing and implementing water quality improvement measures for the streams (F group, E group) to be managed in this study.

• Journal of Fisheries and Marine Sciences Education
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• v.28 no.4
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• pp.1114-1132
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• 2016

The objective of present study is to compare the similarities and differences between the two projects and extract implications for the improvement of higher education quality in other countries. To meet this objective, The study compared and analyzed "The Project of Higher Education Quality Development and Educational Reform of China" and "Technical Education Quality Improvement Programme" of government of India. by using the method of literature research, contents analysis and comparison analysis, this paper employed multi-source materials to examine background and targets, measures and outcomes, deficiencies and future direction of these two projects, and compared the similarities and diversities on each matters by utilizing secondary data from national surveys, government statistics, databases, and third-party agencies. The findings led us to suggest that the well-coordinated and standardized administrative system is a primary guarantee for ensuring the smooth implementation of the programme, and sharing educational resources among higher education institutions is an effective means for promoting their joint development. The improvement of higher education quality relies on the reform of the entire higher education system and the efficient networking between higher education institutions.