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위치모수를 이용한 로버스트 $\bar{x}$ 관리도의 설계
정영배,김연수,Chung, Young-Bae,Kim, Yon-Soo 한국산업경영시스템학회 2014 한국산업경영시스템학회지 Vol.37 No.1
Control charts are generally used for process control, but the role of traditional control charts have been limited in case of a contaminated process. Traditional $\bar{x}$ control charts have not been activated well for such a problem because of trying to control processes as center line and control limits changed by the contaminated value. This paper is to propose robust $\bar{x}$ control charts which is considering a location parameter in order to respond to contaminated process. In this paper, we consider $\bar{x}_{\alpha}$, that is trimmed rate; typically ten percent rate is used. By comparing with p, ARL value, the responding results are decided. The comparison resultant results of proposed two control charts are shown and are well contrasted.
로버스트 추정에 근거한 수정된 ${\bar{x}}$-s 관리도의 설계
정영배,김연수,Chung, Young-Bae,Kim, Yon-Soo 한국산업경영시스템학회 2015 한국산업경영시스템학회지 Vol.38 No.1
Control charts are generally used for process control, but the role of traditional control charts have been limited in case of a non-contaminated process. Traditional ${\bar{x}}$-s control chart has not been activated well for such a problem because of trying to control processes as center line and control limits changed by the contaminated value. This paper suggests modified ${\bar{x}}$-s control chart based on robust estimation. In this paper, we consider the trimmed mean of the sample means and the trimmed mean of the sample standard deviations. By comparing with ARL value, the responding results are decided. The comparison resultant results of traditional control chart and modified control chart are contrasted.
정영배(Young-Bae Chung),김연수(Yon-Soo Kim) 한국산업경영시스템학회 2009 한국산업경영시스템학회지 Vol.32 No.4
This study examines the competitive strategy of service quality in financial industry Service quality has been suggested as the approach for service organizations to be service and customer oriented Recently, the issue of internal service quality has been one of topics widely discussed in financial industry The purpose of the current study is to examine the internal service quality which is believed to increase such organizational performances as customer satisfaction, retention and revenue Internal service quality index is used to measure service quality in service industry In this paper, the methodology for measuring the degree of service quality which has been adopted in service quality research area was used This paper proposes internal service quality index in financial industry In this paper, we show the application method of internal service quality index
정영배(Young-Bae Chung),김연수(Yon-Soo Kim) 한국산업경영시스템학회 2013 한국산업경영시스템학회지 Vol.36 No.2
This paper analyzed the management quality activities and performance based on industrial types. We divided the business into four industrial types, manufacturing industry, service industry, medical institution and public enterprise. We analyzed the differences of the elements of management quality in industrial types. The results show that leadership, measurement, analysis and knowledge management and workforce focus categories are not significant and strategic planning, customer and market focus, process management and performance categories are significant. This paper proposes the directions of management quality activities and performance according to industrial types based on these results.
국내기업의 SQC / SPC 분야의 품질경쟁력에 관한 연구
정영배(Young Bae Chung),강창욱(Chang Wook Kang),박성현(Sung Hyun Park) 한국품질경영학회 2000 품질혁신 Vol.1 No.2
This paper is to present the survey results on overall application practice of SQC/SPC techniques at the manufacturing/service business site. The suvey was conducted in a fashion by understanding application practice and finding out problems thereafter when they are applied in the business practice. Recommended directions toward building competitiveness application process of SQC/SPC system are pinpointed and summarized in the paper.
정영배(Young-Bae Chung),김연수(Yon-Soo Kim) 한국산업경영시스템학회 2011 한국산업경영시스템학회지 Vol.34 No.4
This paper proposes performance measurement method of quality small-group activity in business. This paper collects and analyzes quality circle activities data respect to tangible and intangible effect in national quality circles competitions festival. This paper proposes QPI (quality-circle performance index) based on Balanced Scorecard for quality small-group activity in quality improvement area. QPI is to measure the performance of quality improvement activities in the business firms. QPI is able to use widely in industries to provide a performance measure of quality small-group activity. In this paper, we propose the application method of QPI.