Research

year 2005 
author Eoksu Sim 
Keyword Supply Chain Management(SCM), Performance Measure and Analysis, System Dynamics, Network Design, Genetic Algorithm, Reverse Logistics 
Abstract In rapidly changing enterprise environments, companies need to try to meet customer demand efficiently, to cut costs down and to make new demands. Because the results of the operational processes are influenced by the strategic decisions in a supply chain, the systematic performance measurement framework must be developed and the evaluation methods reflecting some qualitative and quantitative factors should be proposed. In this research, a framework to evaluate the performance of a supply chain is proposed and based on this evaluation some metrics are developed. Using detailed analysis of qualitative and quantitative factors, a solution method to make optimal supply chain network is proposed.


In this research, performance measurement framework is developed in three perspectives. That is, the functional, financial and hierarchical perspectives are considered. The importance and detailed concept can be various due to the functional aspect that the company should do and the planning horizon aspect that the functions should be included. The performance measures are summarized in the integrated way reflecting the various factors. Especially the firms´ new function, return of the used products, is considered and new performance measures are included.


Based on the defined performance measurement criteria, analysis of a supply chain is done using system dynamic features reflecting some non quantitative factors for analysis and practical use. In a closed loop supply chain(CLSC) consisting of suppliers, manufactures, distributors, customers and reverse centers, some factors including customer demand, inventory level, production capacity, raw material supply quantity and disassembly system are considered. Especially environmental regulation policies, customer need feedback and environmental image of enterprises are considered to reflect the recent concerns about environments. Using system dynamics methodology, the research represented the causal relationship and the flow of various factors. Also simulation analysis of the environmental image and demand changes in a company were done according to the environmental regulation policies and customer requirements feedback.


A mathematical model and efficient algorithm are proposed to design an optimal network to make strategic decision makings in a supply chain. The supply chain total cost is considered to reflect a quantitative factor. Especially CLSC is mainly analyzed to make entities in a supply chain have reasonable relationship considering reverse logistics. In CLSC consisting of plants, distribution centers, customers and reverse centers, some decisions including the locations of entities, products allocations, network structure, the number of facilities, the quantity of production and storing, inventory level and transportation quantity, are determined using the mathematical model. To solve the problem of NP-hard class, a solution method using genetic algorithm is devised. In this research, the proposed algorithm can give a good solution in a reasonable time.


Using the method of this research, we can define the attributes of companies´ performance measures, analyze the strategic performance and design an optimal network considering reverse logistics. 
c PhD 

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번호 c year 제목 author
26 PhD  1995  Design Support System for the Conceptual Design of Manufacturing Databases [13] Kitae Shin 
25 PhD  1991  An Integrated Decision Support System for FMS Planning and Control Problems [11] Seongyoung Jang 
24 PhD  1994  A Study on Design of a Cooperative- Distributed Shop Floor Control System for Computer Integrated Manufacturing [19] Namkyu Park 
23 PhD  1996  An Improved Scheduling Heuristic Based on Batch Splitting Method for The Job Shop Scheduling Problem [4] Hanil Jeong 
22 PhD  1996  A Design Support System for the Process Design of Computer Integrated Manufacturing [2] Chankwon Park 
21 PhD  1997  A Study on the Integration of Process Planning and Scheduling [3] Kidong Kim 
20 PhD  1997  Computer-Aided Synthesis of the Execution Controllers for Workcells in Computer Integrated Manufacturing Systems [18] Sangkyun Kim 
19 PhD  1997  A Study on FMS Design Justification Considering Part Type Selection and Performance Evaluation Hosub Shin 
18 PhD  1997  A Study on the Integration of Loading and Scheduling in Flexible Manufacturing Systems [21] Sangbok Woo 
17 PhD  1999  A Study on Job Shop Scheduling Problems considering Production Capacity Adjustment [16] Daeyoung Chung 
16 PhD  1999  A Study on the Manufacturing System State Based Scheduler using Neural Network and Simulator [20] Kitae Kim 
15 PhD  2002  Flexible Job Shop Scheduling with Multi-level Job Structures [16] Yangja Jang 
14 PhD  2003  Process Modeling and Performance Analysis Methodology toward Optimal Design of Manufacturing Systems [30] Kichang Lee 
13 PhD  2004  Ontology Development for e-Business Integration [26] Tai-Woo Chang 
12 PhD  2005  A Study on the Integration of Quality Designing and Process Control in Steel Industry [15] Jonghan Kim 
» PhD  2005  Performance Analysis and Network Design of Supply Chain for Strategic Decision Making [14] Eoksu Sim 
10 PhD  2005  Development of an algorithm for multi-plant production plans in a supply chain [50] Sungwon Jung 
9 PhD  2008  A study on integrated production planning and strategic framework in supply chain [15] Haejoong Kim 
8 PhD  2009  A Study for Business Process Improvement Using Real-time Information of Unbalanced Work [19] Jaehyun Kong 
7 PhD  2010  Framework for Integrative SRM System and Collaboration Scorecard [26] Jongkyoung Park 
6 PhD  2007  A Study on MRP Process Improvement in a Grid Enabled APS [2] file Hyoung-Gon Lee 
5 PhD  2010  Enhancing Flexibility and Responsiveness in Sales Order Management [54] Mokmin Park 
4 PhD  2013  Price of Simplicity under Congestion: On the Revenue and Pricing Schemes in the Telecommunication Industry [58] file Dongmyung Lee 
3 PhD  2013  A study on production scheduling problems considering differential electricity pricing and distributed generations Jun Young Moon 
2 PhD  2014  Multi-level job scheduling in a flexible discrete-part production environment Hong Bum Na 
1 PhD  2014  A study on integrative decision-making system for reconfigurable manufacturing cells Jin Wu Seo