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

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02Control of position or course in two dimensions
    • G05D1/021Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0287Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
    • G05D1/0291Fleet control
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total 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]
    • G05B19/4189Total 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
    • G05B19/41895Total 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]
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02Control of position or course in two dimensions
    • G05D1/021Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0212Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/02Control of position or course in two dimensions
    • G05D1/021Control of position or course in two dimensions specially adapted to land vehicles
    • G05D1/0287Control of position or course in two dimensions specially adapted to land vehicles involving a plurality of land vehicles, e.g. fleet or convoy travelling
    • G05D1/0291Fleet control
    • G05D1/0297Fleet control by controlling means in a control room
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/31From computer integrated manufacturing till monitoring
    • G05B2219/31003Supervise route, reserve route and allocate route to vehicle, avoid collision
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00Program-control systems
    • G05B2219/30Nc systems
    • G05B2219/45Nc applications
    • G05B2219/45056Handling cases, boxes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/60Electric 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 US7920962B2 (en) 2006-06-19 2006-06-19 System and method for coordinating movement of mobile drive units
US11/425,073 2006-06-19
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)

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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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US20140236413A1 (en) 2014-08-21
CA2654295A1 (en) 2007-12-27
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US9448560B2 (en) 2016-09-20
US9740212B2 (en) 2017-08-22
JP2012232852A (en) 2012-11-29
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CA2866664A1 (en) 2007-12-27
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US20130204480A1 (en) 2013-08-08

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