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Point to point material transport vehicle improvements for glass substrate

  • US 10,114,379 B2
  • Filed: 05/26/2016
  • Issued: 10/30/2018
  • Est. Priority Date: 06/01/2015
  • Status: Active Grant
First Claim
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1. A method of operating a material transport vehicle (“

  • MTV”

    ), the method comprising;

    configuring a collision avoidance system resident on the MTV for;

    accepting an input from a human operator proximate to the MTV for initiating forward motion of the MTV;

    thereafter driving the MTV, by the human operator, through a clean room facility;

    configuring a plurality of safety zones proximate to the MTV;

    detecting an intrusion of an obstacle in the clean room facility into one of the plurality of safety zones;

    limiting a maximum allowable forward motion of the MTV by an amount determined by the safety zone associated with the detected intrusion, wherein a maximum limitation of the allowable forward motion corresponds to an intrusion into a safety zone closest to the MTV and a minimum limitation of the allowable forward motion corresponds to an intrusion into a safety zone farthest from the MTV; and

    limiting a maximum allowable turning motion of the MTV by an amount determined by the proximity of the safety zone to the MTV, wherein a maximum limitation of the allowable turning motion of the MTV corresponds to an intrusion into the safety zone farthest from the MTV and a minimum limitation of the allowable turning motion of the MTV corresponds to an intrusion into the safety zone closest to the MTV.

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