CA2781624C - System and method for coordinating movement of mobile drive units - Google Patents

System and method for coordinating movement of mobile drive units Download PDF

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Publication number
CA2781624C
CA2781624C CA2781624A CA2781624A CA2781624C CA 2781624 C CA2781624 C CA 2781624C CA 2781624 A CA2781624 A CA 2781624A CA 2781624 A CA2781624 A CA 2781624A CA 2781624 C CA2781624 C CA 2781624C
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Canada
Prior art keywords
mobile drive
drive unit
drive units
moving
reservation request
Prior art date
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Active
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CA2781624A
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French (fr)
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CA2781624A1 (en
Inventor
Raffaello D'andrea
Peter R. Wurman
Michael T. Barbehenn
Andrew E. Hoffman
Michael Mountz
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Amazon Technologies Inc
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Amazon Technologies Inc
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Application filed by Amazon Technologies Inc filed Critical Amazon Technologies Inc
Priority to CA2866664A priority Critical patent/CA2866664C/en
Publication of CA2781624A1 publication Critical patent/CA2781624A1/en
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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0287—Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
    • G05D1/0291—Fleet control
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/4189—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the transport system
    • G05B19/41895—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the transport system using automatic guided vehicles [AGV]
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02—Control of position or course in two dimensions
    • G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0287—Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
    • G05D1/0291—Fleet control
    • G05D1/0297—Fleet control by controlling means in a control room
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/31—From computer integrated manufacturing till monitoring
    • G05B2219/31003—Supervise route, reserve route and allocate route to vehicle, avoid collision
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/30—Nc systems
    • G05B2219/45—Nc applications
    • G05B2219/45056—Handling cases, boxes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/60—Electric or hybrid propulsion means for production processes

Abstract

A system for transporting inventory items that includes mobile drive units, inventory holders and a management module. The management module is operable to receive, from a first mobile drive unit, a reservation request requesting use of a first path segment to move in a first direction; determine that a second mobile drive unit is currently located on the first path segment; and determine whether the second mobile drive unit is moving in the first direction. A reservation response is transmitted when the second mobile drive unit is not moving in the first direction indicating that the reservation request is denied. Alternatively, a reservation response is transmitted when the second mobile drive unit is moving in the first direction indicating that the reservation request is granted.
CA2781624A 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units Active CA2781624C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2866664A CA2866664C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/425,073 2006-06-19
US11/425,073 US7920962B2 (en) 2006-06-19 2006-06-19 System and method for coordinating movement of mobile drive units
CA2654295A CA2654295C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA2654295A Division CA2654295C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2866664A Division CA2866664C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Publications (2)

Publication Number Publication Date
CA2781624A1 CA2781624A1 (en) 2007-12-27
CA2781624C true CA2781624C (en) 2014-12-23

Family

ID=38834234

Family Applications (3)

Application Number Title Priority Date Filing Date
CA2866664A Active CA2866664C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units
CA2781624A Active CA2781624C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units
CA2654295A Active CA2654295C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA2866664A Active CA2866664C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2654295A Active CA2654295C (en) 2006-06-19 2007-06-08 System and method for coordinating movement of mobile drive units

Country Status (6)

Country Link
US (4) US7920962B2 (en)
EP (1) EP2044494B2 (en)
JP (3) JP5052606B2 (en)
AT (1) ATE528701T1 (en)
CA (3) CA2866664C (en)
WO (1) WO2007149711A2 (en)

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US9740212B2 (en) 2017-08-22
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US20110130954A1 (en) 2011-06-02

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