Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.823
Sangrae Kim, Jun-Gyu Kang
Purpose: This study deals with a production planning and scheduling problem to minimize the total weighted tardiness on hybrid flow shop with sets of non-identical parallel machines on stages, where parallel machines in the set are dedicated to perform specific subsets of jobs and sequence-dependent setup times are also considered. Methods: A two-stage approach, that applies MILP model in the 1st stage and dispatching rules in the 2nd stage, is proposed in this paper. The MILP model is used to assign jobs to a specific machine in order to equalize the workload of the machines at each stage, while new dispatching rules are proposed and applied to sequence jobs in the queue at each stage. Results: The proposed two-stage approach was implemented by using a commercial MILP solver and a commercial simulation software and a case study was developed based on the spark plug manufacturing process, which is an automotive component, and verified using the company's actual production history. The computational experiment shows that it can reduce the tardiness when used in conjunction with the dispatching rule. Conclusion: This proposed two-stage approach can be used for HFS systems with dedicated machines, which can be evaluated in terms of tardiness and makespan. The method is expected to be used for the aggregated production planning or shop floor-level production scheduling.
{"title":"A Two-Stage Scheduling Approach on Hybrid Flow Shop with Dedicated Machine","authors":"Sangrae Kim, Jun-Gyu Kang","doi":"10.7469/JKSQM.2019.47.4.823","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.823","url":null,"abstract":"Purpose: This study deals with a production planning and scheduling problem to minimize the total weighted tardiness on hybrid flow shop with sets of non-identical parallel machines on stages, where parallel machines in the set are dedicated to perform specific subsets of jobs and sequence-dependent setup times are also considered. Methods: A two-stage approach, that applies MILP model in the 1st stage and dispatching rules in the 2nd stage, is proposed in this paper. The MILP model is used to assign jobs to a specific machine in order to equalize the workload of the machines at each stage, while new dispatching rules are proposed and applied to sequence jobs in the queue at each stage. Results: The proposed two-stage approach was implemented by using a commercial MILP solver and a commercial simulation software and a case study was developed based on the spark plug manufacturing process, which is an automotive component, and verified using the company's actual production history. The computational experiment shows that it can reduce the tardiness when used in conjunction with the dispatching rule. Conclusion: This proposed two-stage approach can be used for HFS systems with dedicated machines, which can be evaluated in terms of tardiness and makespan. The method is expected to be used for the aggregated production planning or shop floor-level production scheduling.","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125769642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.713
Seung-Hoon Lee, Keun Lim
{"title":"A Statistical Program for Measurement Process Capability Analysis based on KS Q ISO 22514-7 Using R","authors":"Seung-Hoon Lee, Keun Lim","doi":"10.7469/JKSQM.2019.47.4.713","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.713","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125853558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.687
Dongryul Jang, Minjae Park
{"title":"Price Determinant Factors of Artworks and Prediction Model Based on Machine Learning","authors":"Dongryul Jang, Minjae Park","doi":"10.7469/JKSQM.2019.47.4.687","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.687","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133663267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.783
M. Kim, Young-Hoan Park, Tai-Kyoo Kim, Jae-Seok Jung
{"title":"A Study on the Prediction Diagnosis System Improvement by Error Terms and Learning Methodologies Application","authors":"M. Kim, Young-Hoan Park, Tai-Kyoo Kim, Jae-Seok Jung","doi":"10.7469/JKSQM.2019.47.4.783","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.783","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115351425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.725
K. Koh, Na Yeon Kim, Y. Kim
{"title":"Process Conditions Optimizing the Yield of Power Semiconductors","authors":"K. Koh, Na Yeon Kim, Y. Kim","doi":"10.7469/JKSQM.2019.47.4.725","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.725","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126298321","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.875
Jing Wang, Y. Kim
{"title":"The Effect of Service Quality of Economy Hotels Through Mediating Customer Satisfaction on Re-visit Intention - Focused on Home Inn in China","authors":"Jing Wang, Y. Kim","doi":"10.7469/JKSQM.2019.47.4.875","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.875","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128912855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-12-27DOI: 10.7469/JKSQM.2019.47.4.807
M. Kim, Jongwook Park
{"title":"The Importance-Satisfaction Analysis of Service Quality in University","authors":"M. Kim, Jongwook Park","doi":"10.7469/JKSQM.2019.47.4.807","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.4.807","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126586526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-27DOI: 10.7469/JKSQM.2019.47.3.425
Y. Jung, Sangmin Choi
Purpose: The purpose of this study was to resolve the Naval ship's Local Operation Panel(LOP) malfunction problems which caused by overheating in summer season and dispatching to equatorial regions. Methods: Instead of using dual type heat insulation materials(consist with ceramic wool and glass wool), aerogel heat insulation materials were used for decreasing heat emissions from gas-turbine heat waste steam pipes passing water-jetroom. Experiment and Computational analysis of heat flow were conducted to analyze the internal room temperature changes. Results: The results of this study are as follows; The aerogel heat insulation materials suppress heat emission more efficiently than dual type insulation materials. The cold surface temperature of insulation was far more decreased and internal room, LOP surface temperature also showed significant results too. Conclusion: The substituted heat insulation materials appeared remarkable performance in decreasing room temperature that it could be used for suppressing the LOP overheatings and malfunctions.
{"title":"A Study on the Internal Temperature Reduction of PKG-A Water-jet-room by Substituting Heat Insulation Materials","authors":"Y. Jung, Sangmin Choi","doi":"10.7469/JKSQM.2019.47.3.425","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.3.425","url":null,"abstract":"Purpose: The purpose of this study was to resolve the Naval ship's Local Operation Panel(LOP) malfunction problems which caused by overheating in summer season and dispatching to equatorial regions. Methods: Instead of using dual type heat insulation materials(consist with ceramic wool and glass wool), aerogel heat insulation materials were used for decreasing heat emissions from gas-turbine heat waste steam pipes passing water-jetroom. Experiment and Computational analysis of heat flow were conducted to analyze the internal room temperature changes. Results: The results of this study are as follows; The aerogel heat insulation materials suppress heat emission more efficiently than dual type insulation materials. The cold surface temperature of insulation was far more decreased and internal room, LOP surface temperature also showed significant results too. Conclusion: The substituted heat insulation materials appeared remarkable performance in decreasing room temperature that it could be used for suppressing the LOP overheatings and malfunctions.","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124995721","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-27DOI: 10.7469/JKSQM.2019.47.3.467
Jae Hyuk Shin, Tae hwan Kim
Purpose: The purpose of this paper is to improve quality for water infiltration to FCISA during military aircraft operation. Methods: A series of troubleshooting studies were conducted to identify the root cause of the water infiltration and reproduce the defects through various simulation tests. And design improvement measures were derived, and countermeasures were taken to prevent recurrence of moisture inflow defects. Conclusion: FCISA operates a very important role in the operation of military aircraft, and defects due to water infiltration are very fatal to flight safety. In this study, the root cause was identified and the design improvement to prevent recurrence was carried out through the failure investigation performed in this study, and the FCISA was improved so that the flight safety was not affected. The results of this study will be valuable back data that can be reflected in the design process through Lessons-Learned in the design phase of the aircraft that will be developed in the future.
{"title":"A Case Study on Quality Improvement for Prevent Water Infiltration to ISA in Aircraft","authors":"Jae Hyuk Shin, Tae hwan Kim","doi":"10.7469/JKSQM.2019.47.3.467","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.3.467","url":null,"abstract":"Purpose: The purpose of this paper is to improve quality for water infiltration to FCISA during military aircraft operation. Methods: A series of troubleshooting studies were conducted to identify the root cause of the water infiltration and reproduce the defects through various simulation tests. And design improvement measures were derived, and countermeasures were taken to prevent recurrence of moisture inflow defects. Conclusion: FCISA operates a very important role in the operation of military aircraft, and defects due to water infiltration are very fatal to flight safety. In this study, the root cause was identified and the design improvement to prevent recurrence was carried out through the failure investigation performed in this study, and the FCISA was improved so that the flight safety was not affected. The results of this study will be valuable back data that can be reflected in the design process through Lessons-Learned in the design phase of the aircraft that will be developed in the future.","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125257924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-09-27DOI: 10.7469/JKSQM.2019.47.3.537
Changki Lee, Uk Jung
{"title":"Association-based Unsupervised Feature Selection for High-dimensional Categorical Data","authors":"Changki Lee, Uk Jung","doi":"10.7469/JKSQM.2019.47.3.537","DOIUrl":"https://doi.org/10.7469/JKSQM.2019.47.3.537","url":null,"abstract":"","PeriodicalId":303033,"journal":{"name":"Journal of the Korean Society for Quality Management","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125805779","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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