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GENERAL QUALITY RESEARCH
Derivation of Profit Curve by Cubic Cost Function and Mathematical Verification of Industry Life Cycle: Focused on All Industries in Korea
Purpose: The main theme of this study is to derive a profit curve by a cubic cost function for nonlinear CVP analysis. According to the analytical approach to derive a nonlinear profit function in this study, it is possible with only the existing cost structure to calculate the ...
GENERAL QUALITY RESEARCH
Clustering of Seoul Public Parking Lots and Demand Prediction
Purpose: This study aims to estimate the demand for various public parking lots in Seoul by clustering similar demand types of parking lots and predicting the demand for new public parking lots. Methods: We examined real-time parking information data and used time series cluste...
GENERAL QUALITY RESEARCH
Improving Inspection Systems for Radio Stations: An Emphasis on the ISO 2859-1 Sampling Method
Purpose: This research aims to develop a data-driven inspection policy for radio stations utilizing the KS Q ISO 2859-1 sampling method, addressing potential regulatory relaxations and impending management challenges. Methods: Using radio station inspection big data from the pa...
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51(4); December 31, 2023
Volume 51(3); September 2023
Volume 51(2); June 2023
Volume 51(1); March 2023
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General Quality Researches
481 Derivation of Profit Curve by Cubic Cost Function and Mathematical Verification of Industry Life Cycle: Focused on All Industries in Korea
Hoo Seok Pai, Chae Kwan Lim
J Korean Soc Qual Manag. 2023;51(4):481-496.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.481
                                    
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497 Clustering of Seoul Public Parking Lots and Demand Prediction
Jeongjoon Hwang, Young-Hyun Shin, Hyo-Sub Sim, Dohyun Kim, Dong-Guen Kim
J Korean Soc Qual Manag. 2023;51(4):497-514.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.497
                                    
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515 Improving Inspection Systems for Radio Stations: An Emphasis on the ISO 2859-1 Sampling Method
Hyojung Kim, Yuri Kim, Sina Park, Seunghwan Jung, Seongjoon Kim
J Korean Soc Qual Manag. 2023;51(4):515-530.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.515
                                    
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531 A Study on the Quality of Healthcare Services for Four Critical Illnesses and the Maintenance of Right to Protection and Dignity in a Senior General Hospital
Woojin Lee, Minsuk Shin
J Korean Soc Qual Manag. 2023;51(4):531-550.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.531
                                    
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551 A Study on the Big Data Analysis and Predictive Models for Quality Issues in Defense C5ISR
Hyoung Jo Huh, Sujin Ko, Seung Hyun Baek
J Korean Soc Qual Manag. 2023;51(4):551-571.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.551
                                    
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573 A Study on DRL-based Efficient Asset Allocation Model for Economic Cycle-based Portfolio Optimization
NAK HYUN JUNG, Taeyeon Oh, Kang Hee Kim
J Korean Soc Qual Manag. 2023;51(4):573-588.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.573
                                    
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589 The Effect of Scuba Diving Resort Service Quality on Customer Satisfaction and Revisit Intention: Focusing on the Moderating Effect of Perceived Risk Attributes
Yun Bom Sung, Yonghwi Noh
J Korean Soc Qual Manag. 2023;51(4):589-606.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.589
                                    
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607 Establish Manufacturing Firms' Response Strategy to the Serious Accident Punishment Act Using IPA
JunHyeok Seo, SungMin Bae
J Korean Soc Qual Manag. 2023;51(4):607-618.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.607
                                    
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619 Development of Effective Test Method for Positioning Accuracy of Armed Vehicle Inertial Navigation System
Sung Hoon Kim, In Hwa Bae, Sang Boo Kim
J Korean Soc Qual Manag. 2023;51(4):619-632.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.619
                                    
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633 Process Quality Improvement through Improving Measurement System for Internal Diameter of Gun Barrel
Young Min Park, In Hwa Bae, Sang Boo Kim
J Korean Soc Qual Manag. 2023;51(4):633-642.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.633
                                    
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643 Understanding COVID-19 Vaccine Acceptance Intention: An Emotion-focused and Problem-focused Coping Perspective
Joon Woo Yoo, Heejun Park
J Korean Soc Qual Manag. 2023;51(4):643-662.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.643
                                    
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663 Utilization of Skewness for Statistical Quality Control
Hoontae Kim, Sunguk Lim
J Korean Soc Qual Manag. 2023;51(4):663-675.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.663
                                    
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677 A Plan to Improve Core Job Skills through the Level Management System : Focusing on the X-ray Screening Rating System
Dong Min Kim, Jeong Seon Baek
J Korean Soc Qual Manag. 2023;51(4):677-689.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.677
                                    
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691 A Study on the Diffusion Pattern of Mongolian Mobile Market
Enkhzaya Batmunkh, Jungsik Hong, Taegu Kim
J Korean Soc Qual Manag. 2023;51(4):691-700.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.691
                                    
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701 Topic Modeling-based QFD Framework for Comparative Analysis between Competitive Products
Chenghe Cui, Uk Jung
J Korean Soc Qual Manag. 2023;51(4):701-713.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.701
                                    
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715 A Study on Quality Improvement and Advancement of Negative Pressure Isolation Stretcher: Using FOCUS-PDCA
Hyunchul Choi, Seul-Ki Seo, Sungkwan Byun, Hyejung Chang, Sangchan Park
J Korean Soc Qual Manag. 2023;51(4):715-734.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.715
                                    
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Case Study
735 Analysis of the Causes of Cracks in Rocket Propellant in Thermal Cycling Test
Jin Man Bak, Soon Woo Park
J Korean Soc Qual Manag. 2023;51(4):735-749.   Published online December 31, 2023
DOI: https://doi.org/10.7469/JKSQM.2023.51.4.735
                                    
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