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Robotic systems for automated construction

  • US 7,641,461 B2
  • Filed: 01/21/2005
  • Issued: 01/05/2010
  • Est. Priority Date: 01/21/2003
  • Status: Active Grant
First Claim
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1. A robotic system, comprising:

  • a movable gantry robot including an overhead beam extending between, and supported by, at least two side members slidably mounted on a pair of rails;

    a nozzle assembly movably coupled to the overhead beam of the gantry robot and configured to extrude material through an outlet; and

    a position controller configured to control position and movement of the gantry robot and the nozzle assembly;

    wherein the robotic system is configured to rest on a surface and wherein the position controller comprises a position sensor configured to sense the position of the nozzle assembly with respect to multiple locations on the surface, and an actuator configured to controllably move the nozzle assembly to a desired position, in response to an output of the position sensor.

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