{
  "abstract": "A scheduling method for a four-way shuttle dense storage system without a conveyor line and a warehousing system: a vertical two-way shuttle (4, 56) is used to implement up- and-down movements of goods (55) within a single slot and carry out tier switching in vertical space. The vertical two-way shuttle (4, 56) is directly connected to a subtrack of a rack so that a four-way shuttle (11, 57) can get in and out of the vertical two-way shuttle (4, 56) freely, thereby flexibly implementing automatic inbound and outbound functions for palletized goods. In this application, any conveyor line is removed, and a highly flexible four-way shuttle (11, 57) can be directly used to implement docking with inbound and outbound positions and implement dense storage without any conveyor line. This not only omits installation and electrical control commissioning of conveyor equipment, but also simplifies an on-site implementation process, reduces construction costs, and shortens a construction period.",
  "assignees": [
    "ZIKOO SMART TECH CO LTD"
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  "authors": [
    "CAI CHUANYU",
    "WANG XIN"
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  "source_date": "2026-03-25",
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  "title": "Scheduling method for four-way shuttle dense storage system without conveyor line and warehousing system",
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