Espoused drum-buffer-rope flow control in serial lines: A comparative study of simulation models |
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| Authors: | Carl E Betterton James F Cox |
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| Institution: | 1. School of Business Administration, The Citadel, Charleston, SC 29409, USA;2. Terry College of Business, University of Georgia, Athens, GA 30602, USA;1. School of Nuclear Science and Technology, Beijing Key Laboratory of Passive Safety Technology for Nuclear Energy, North China Electric Power University, Box, 78, No. 2 Beinong Road, Huilongguan, Changping District, Beijing 102206, China;2. Energy Department, Politecnico di Milano, Via Ponzio 34/3, 20133 Milano, Italy;1. Changchun University of Science and Technology, School of Life Science and Technology, China;2. Changchun University of Science and Technology, College of Optoelectronic Engineering, China;3. JiLin Dongguang Precision Machinery Factory, China;4. The Military Representative Room of Armored Forces in Changchun, China;1. Department of Geography and Earth Sciences, University of Aberystwyth, SY23 2EJ Wales, United Kingdom;2. Institute for the Protection and Security of the Citizen, Joint Research Centre (JRC), European Commission, Ispra, VA, Italy |
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| Abstract: | This paper documents an investigation of drum-buffer-rope (DBR) scheduling and flow control methodology in single-product serial production lines. In particular, DBR flow control is reviewed and the importance of correctly representing this type of flow control mechanism in serial lines is discussed. Departures from valid DBR conceptual and simulation modeling are illustrated. It is shown that the model of a previously published paper is a push system not a DBR system, and that related conclusions regarding protective capacity and constraint location are unsupported. Correct modeling of DBR flow control is shown using discrete simulation experiments that compare the DBR model and a similar push model. Suggestions for additional research are offered. |
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