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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean society for quality management
Journal Basic Information
Journal DOI :
The Korean Society for Quality Management
Editor in Chief :
Volume & Issues
Volume 35, Issue 4 - Dec 2007
Volume 35, Issue 3 - Sep 2007
Volume 35, Issue 2 - Jun 2007
Volume 35, Issue 1 - Mar 2007
Selecting the target year
Reestablishment of RPN Evaluation Method in FMEA Procedure for Motors in Household Appliances
Kim, S.Y. ; Kim, H.G. ; Yun, W.Y. ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 1~9
Failure mode and effects analysis (FMEA) is a widely used technique to assess or to improve reliability of products at early stage of design and development. Traditionally, the prioritization of failures for corrective actions is performed by developing a risk priority number (RPN). In practice, due to insufficient evaluation criteria specific to related product and processes, RPN is not properly evaluated. This paper reestablishes an effective methodology for prioritization of failure modes in FMEA procedure. Revised evaluation criteria of RPN are devised and a refined FMEA sheet is Introduced. To verify the proposed methodology, it is applied to RPN evaluation for motors in household appliances.
Estimations of Measurement System Variability and PTR under Non-normal Measurement Error
Chang, Mu-Seong ; Kim, Sang-Boo ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 10~19
ANOVA is widely, used for measurement system analysis. It assumes that the measurement error is normally distributed, which nay not be seen in some industrial cases. In this study the estimates of the measurement system variability and PTR (precision-to-tolerance ratio) are obtained by using weighted standard deviation for the case where the measurement error is non-normally distributed. The Standard Bootstrap method is used foy estimating confidence intervals of measurement system variability and PTR. The point and confidence interval estimates for the cases with normally distributed measurement error are compared to those with non-normally distributed measurement errors through computer simulation.
A Spare Ordering Policy with Random Lead Times
Yoon, S.P. ; Cho, T.C. ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 20~23
A generalized spare ordering policy is treated in this paper. If the operating unit fails before a scheduled ordering time an expedited order is placed at the failure time instant, otherwise a regular order for a spare is placed at the scheduled time. The original unit is replaced when the ordered spare is delivered. The lifetime, regular and expedited lead times have general distributions. The problem is to find the optimum ordering time which minimizes the expected cost rate including the observation, ordering, uptime and down-time costs. Some properties regarding the optimal policy are derived. To explain the spare ordering policy a numerical example is also included.
The ARL of a Selectively Moving Average Control Chart
Lim, Tae-Jin ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 24~34
This paper investigates the average run length (ARL) of a selectively moving average (S-MA) control chart. The S-U chart is designed to detect shifts in the process mean. The basic idea of the S-MA chart is to accumulate previous samples selectively in order to increase the sensitivity. The ARL of the S-MA chart was shown to be monotone decreasing with respect to the decision length in a previous research . This paper derives the steady-state ARL in a closed-form and shows that the monotone property is resulted from head-start assumption. The steady-state ARL is shown to be a sum of head-start ARL and an additional term. The statistical design procedure for the S-MA chart is revised according to this result. Sensitivity study shorts that the steady-state ARL performance is still better than the CUSUM chart or the Exponentially Weighted Moving Average (EWMA) chart.
An Affection of Blog Service Quality on Service Value and Customer Satisfaction : Focusing on Cyword
Cho, Chul-Ho ; Kang, Byung-Suh ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 35~51
In terms of company management for market segmentation and creating new market opportunity, Blog service has much important meanings. This study was designed to investigate the casual relationship among service quality, service value, customer satisfaction, and customer loyalty in the given blog service site "Cyworld". Through the empirical results, specific factors of blog service quality were discovered to be amusement, interaction, customization, reliability and convenience. Also rte confirmed that service value intervening between blog service quality and customer satisfaction plays an important role. This paper presents much implications both theoretical and practical side.
Implementing Strategy of Quality Management for Public Policy in Local Government
Kwak, Young-Hwan ; Choi, Kil-Soo ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 52~60
The purpose of this study is to explorer some strategies for implementing successfully the qualify management for public policy (PPQM) in local government. Researchers for reaching at the purpose reviewed a literature on QM (or TQM) and PPQM in chapter II and suggested implementing strategies of local government's PPQM in chapter III. Implement strategies of local government's PPQM have to build a framework, establish an operating system, develop a customized PPQM's manual, and develop a capacity of local government's civil servant for implementing the PPQM and then build an evaluating system on the result of the PPQM's implementation in local government.
The Study on the Effect of Health Care Service Quality upon Customer Loyalty : Based upon SERVPERF
Han, Sang-Sook ; Son, In-Sun ; Gu, Ja-Chul ; Lee, Sang-Chul ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 61~72
The purpose of this research is to identify causalities among service quality, service value, customer satisfaction and customer loyalty. A Structural Equation Model is used to test the hypothesis of conceptual model. To test the model, we collect data by conducting a survey with 508 patients. Empirical result indicates that three factors such as tangibles, assurance, and empathy have direct impact on service value and customer satisfaction. Especially, customer loyalty is positively related not with service value but with customer satisfaction.
The Continuous Improvement, Innovation and Learning Concept Embedded in MBNQA Award
Chung, Kyu-Suk ; Kang, Young-Tai ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 73~80
The learning, which is a view extended from and replaces the concept of continuous improvement, has become the very core concept in Malcolm Baldrige National Quality Award. The most potent one among 11 core values in MBNQA Model is 'organizational and personal learning'. Learning also plays a critical role to get the good scores for 6 categories except results category among 7 categories of MBNQA Model. But the concept of learning often has been overlooked by the people who are interested in the MB award or TQM. This paper reviews and analyzes the concept of learning in the MB criteria since it first appears in 1993 to enlighten the importance of learning.
An Exploratory Study of the Collaboration and Supplier Performance between Supplier and Buyer
Cho, Geon ; Kim, Jae-Yun ; Park, Hyong-Ho ; Park, Yi-Sook ; Lee, Kyoung-Jae ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 81~96
In this study, we conduct an empirical study to investigate the impact of the interdependence and trust between supplier and buyer on both their collaboration and supplier performance in automobile industry supply chain. The result shows that there is a positive relationship between the supplier's dependence and trust on the buyer and their collaboration. Moreover, it shows that supplier's dependence and trust on the buyer affects supplier performance through collaboration as a mediating effect. Therefore it is very important to notice that supplier and buyer in automobile industry should try to have a good collaborative relationship together in order to improve supplier performance.
Literature Review of Six Sigma : Focused on Korean Research Papers
Lee, Seung-Hyeon ; Park, Kwang-Tae ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 97~112
Six Sigma methodology has been evolved since it was first introduced in late 1980's and the number of company which adopts Six Sigma is getting increased. Therefore, it is timely that ire review research papers on Six Sigma extensively. We review 85 papers published in Korea by April 2006 and classify them based on research contents and methodology. We suggest future research issues and fields which can adopt Six Sigma methodology.
The Development of e-learning Contents for The Six Sigma Green Belt
Kim, Chong-Man ; Hong, Sun-Young ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 113~123
This paper considers the development of e-learning training program for the six sigma green belt. Comparative studies of existing e-learning programs are performed and a new one is proposed. A catapult simulator is developed and the automatic grading function which immediately computes the result of the catapult simulation and gives feedback to the trainees is presented. An illustrative example is also given.
Relationship between Business-to-Business Service Quality and Loyalty : An Application of the IMP Model
Choi, Ja-Young ; Park, Ju-Young ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 124~135
This study investigated the relationship between business-to-business service quality and loyalty by applying the IMP (International/Industrial Marketing and Purchasing Group) model. The study found that six dimensions of service quality which were product exchange, financial exchange, information exchange, social exchange, cooperation, and adaptation explained B2B service quality very well. More specifically, the study found that service quality dimensions of social exchange, cooperation, and adaptation were more important than those of product exchange, financial exchange, and information exchange. The study also found a positive relationship between service quality and loyalty. In fact, organizational buyers appeared to show greater loyalty as they perceived service quality better.
Analysis Approaches to Data of Both Age and Usage Attributes
Jo, Jin-Nam ; Baik, Jai-Wook ;
Journal of the Korean society for quality management, volume 35, issue 1, 2007, Pages 136~141
For many products failures depend on age and usage and, in this case, failures are random points in a two-dimensional plane with the two axes representing age and usage. Models play an important role in decision-making. In this research, an accelerate failure test (AFT) model is proposed to deal with the two-dimensional data. The parameters are proposed to be estimated through maximum likelihood estimators.