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System And Method For Positioning Workpiece In A Workstation Using An Automatic Guided Vehicle

  • US 20190317486A1
  • Filed: 04/17/2019
  • Published: 10/17/2019
  • Est. Priority Date: 04/17/2018
  • Status: Active Grant
First Claim
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1. A method for positioning a workpiece in a workstation, comprising:

  • transporting a workpiece into a workstation using an automatic guided vehicle, where the workpiece is supported by a workpiece fixture and the workpiece fixture is supported by the automatic guided vehicle;

    measuring, by machine vision, spatial position of the workpiece fixture;

    removing the workpiece fixture from the automatic guided vehicle using one or more adjustable locators, where the one or more adjustable locators are mounted on a frame of the workstation and the one or more adjustable locators are movable in more than one degree of freedom in relation to the frame;

    calculating, by a computer processor, an adjustment to position of the workpiece fixture between the measured spatial position of the workpiece fixture and a nominal work position;

    moving, by the one or more adjustable locators, the workpiece fixture to the nominal work position according to calculated adjustment, where the one or more adjustable locators are driven by respective motors which are controlled by the computer processor;

    performing an operation on the workpiece while the workpiece fixture remains in the nominal work position; and

    returning the workpiece fixture to the automatic guided vehicle.

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