Journal
IEEE TRANSACTIONS ON ENGINEERING MANAGEMENT
Volume 64, Issue 1, Pages 83-93Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TEM.2016.2634540
Keywords
Distribution center; facility design; mobile fulfillment system; order picking; queue networks; robotic warehouse; speedy delivery; warehouse management
Categories
Funding
- China Scholarship Council
- National Natural Science Foundation of China [71620107002]
- National Social Science Foundation [16ZDA013]
- Chutian Scholarship
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This paper studies a robotic mobile fulfillment system (RMFS) featured by robots transporting movables shelves to order pickers. The RMFS can increase productivity, reduce costs, increase order picking accuracy, and improve operational flexibility. We build queue network models to describe the RMFS with two protocols in sharing robots for pickers, propose the corresponding algorithms, conduct numerical analyses, and evaluate the performance of the RMFS by calculating the throughput time. We then calculate the optimal number and the velocity of robots, and provide the effective design rules for the RMFS.
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