WO2008057504A3 - Load tracking system based on self- tracking forklift - Google Patents

Load tracking system based on self- tracking forklift Download PDF

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Publication number
WO2008057504A3
WO2008057504A3 PCT/US2007/023310 US2007023310W WO2008057504A3 WO 2008057504 A3 WO2008057504 A3 WO 2008057504A3 US 2007023310 W US2007023310 W US 2007023310W WO 2008057504 A3 WO2008057504 A3 WO 2008057504A3
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WO
WIPO (PCT)
Prior art keywords
load
tracking
forklift
self
onboard
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/US2007/023310
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French (fr)
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WO2008057504A2 (en
Inventor
James A Aman
Delbert Jerard Aman
Paul M Bennett
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Publication of WO2008057504A2 publication Critical patent/WO2008057504A2/en
Publication of WO2008057504A3 publication Critical patent/WO2008057504A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C21/00—Systems for transmitting the position of an object with respect to a predetermined reference system, e.g. tele-autographic system

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)

Abstract

Self-tracking forklift (10) employs various onboard technologies including either machine vision (102), RF tag reader (104), or accelerometers with RF reset (106) to perform less costly 'inside-out' self-tracking verses 'outside-in' tracking such as GPS, RF triangulation or UWB cell network with onboard transponders. Forklift (10) further employs load dimension sensor (30), implemented as stereoscopic cameras (108), 2d cameras with laser line generators (110), or 3d area sensors (112) in order to constantly scan for loads (4) being either engaged, lifted, lowered or disengaged by fork lift arms (10L). In addition to times of load (4) engagement and disengagement, sensor (30) also captures outer dimensions of load (4) along with its image. Onboard computer (50) records times of load (4) engagement and disengagement along with load (4) outer dimensions, image and identity (input by asset tag reader (114)) to be combined with the current location and orientation of lift (10) for creating a virtual warehouse database (102).
PCT/US2007/023310 2006-11-06 2007-11-06 Load tracking system based on self- tracking forklift Ceased WO2008057504A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85735106P 2006-11-06 2006-11-06
US60/857,351 2006-11-06

Publications (2)

Publication Number Publication Date
WO2008057504A2 WO2008057504A2 (en) 2008-05-15
WO2008057504A3 true WO2008057504A3 (en) 2008-07-03

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PCT/US2007/023310 Ceased WO2008057504A2 (en) 2006-11-06 2007-11-06 Load tracking system based on self- tracking forklift

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WO (1) WO2008057504A2 (en)

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