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General Information
    • ISSN: 1793-8236 (Online)
    • Abbreviated Title Int. J. Eng. Technol.
    • Frequency:  Quarterly 
    • DOI: 10.7763/IJET
    • Executive Editor: Ms.Yoyo Y. Zhou
    • Abstracting/ Indexing: Chemical Abstracts Services (CAS) EBSCO, Google Scholar, Ulrich Periodicals Directory, Crossref, ProQuest, Index CopernicusINSPEC.
    • E-mail: ijet@vip.163.com
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2015 Vol.7(6): 490-496 ISSN: 1793-8236
DOI: 10.7763/IJET.2015.V7.843

Operation Time Variability in Multi Product Unpaced Production Lines

Suffi Ur Rehman and Lianyu Zheng
Abstract—In this paper a simulation study has been carried out on unpaced reliable and unreliable production lines having multiple products processing in batches with setup / changeover time. The aim of this study is to evaluate the design of multi product production lines operating under operation time variability for different products and compare the performance measures between reliable and unreliable lines. Simulation is performed on various line lengths having different mean buffer capacities in order to evaluate and observe the consistency of the results with the increase in number of stations and buffer capacities. Results obtained in this study have been analyzed in comparison with balanced lines of same configuration to find out the unbalanced scenarios / combinations caused by operation time variability in which unbalanced lines either outperforms or produce results closer to that of balanced lines.

Index Terms—Buffers, multiple products, operation time variability, plant simulation, unpaced production line.

Suffi Ur Rehman and Lianyu Zheng are with the Department of Industrial & Manufacturing System Engineering, Beihang University (BUAA, Beijing University of Aeronautics & Astronautics), Beijing, China (e-mail: suffirehman@hotmail.com; lyzheng@buaa.edu.cn).


Cite: Suffi Ur Rehman and Lianyu Zheng, "Operation Time Variability in Multi Product Unpaced Production Lines," International Journal of Engineering and Technology vol. 7, no. 6, pp. 490-496, 2015.

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