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Real Time Dispatching Control of Multi-Dollies Material Handling Systems in General Assembly Lines

[+] Author Affiliations
Chaoye Pan, Jun Ni

University of Michigan, Ann Arbor, MI

Qing Chang

Stony Brook University, Stony Brook, NY

Paper No. MSEC2012-7333, pp. 377-386; 10 pages
  • ASME 2012 International Manufacturing Science and Engineering Conference collocated with the 40th North American Manufacturing Research Conference and in participation with the International Conference on Tribology Materials and Processing
  • ASME 2012 International Manufacturing Science and Engineering Conference
  • Notre Dame, Indiana, USA, June 4–8, 2012
  • Conference Sponsors: Manufacturing Engineering Division
  • ISBN: 978-0-7918-5499-0
  • Copyright © 2012 by ASME


Material handling process on assembly lines is important because poor planning and control policies lead to low utilization of workforce and resources, which will cause more inadequate part delivery (part starvation) and reduce the overall system performance. Therefore, the delivery system must be optimized such that minimum number of workforce can be achieved without sacrificing production rate. In real assembly process, for better safety and higher efficiency, dolly trains are widely used to replace traditional forklifts for part delivery, which allows drivers to deliver more than one parts per trip and raises problems: how to choose proper number of parts and the delivery order at the beginning of each trip to achieve optimal dispatching control. Effective algorithms and strategies are addressed and compared in this study to provide practical guidelines for dolly material handling system.

Copyright © 2012 by ASME



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