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SYSTEM AND METHOD OF LOCATING RELATIVE POSITIONS OF OBJECTS

  • US 20080221733A1
  • Filed: 03/07/2008
  • Published: 09/11/2008
  • Est. Priority Date: 03/07/2007
  • Status: Abandoned Application
First Claim
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1. A method of performing a manufacturing operation on a workpiece using a robotic assembly, said robotic assembly including a robotic arm, at least one analog sensor, and a controller, said method comprising the steps of:

  • directing the analog sensor on the robotic arm to a first measurement position based upon an expected location of a first surface of the workpiece;

    sensing the actual location of the first surface of the workpiece using the analog sensor;

    communicating the analog sensor output to the controller to determine the actual location of the first surface of the workpiece;

    determining with the controller an expected location of a second surface of the workpiece using the actual location of the first surface of the workpiece;

    moving the analog sensor on the robotic arm to a second measurement position, said second measurement position being determined by the expected location of the second surface of the workpiece;

    sensing the actual location of the second surface of the workpiece using the analog sensor;

    communicating the analog sensor output to the controller to determine the actual location of the second surface of the workpiece; and

    determining the location of the start of a manufacturing operation.

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