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Crane motion control

  • US 9,776,838 B2
  • Filed: 07/31/2015
  • Issued: 10/03/2017
  • Est. Priority Date: 07/31/2014
  • Status: Active Grant
First Claim
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1. A crane motion detection system, comprising:

  • a camera configured to mount on a trolley of a crane;

    a marker configured to mount on a block of the crane within a field of view of the camera; and

    a controller coupled to the camera to receive data from the camera, and coupled to the crane to control operation of the crane in response to camera data;

    wherein the controller is configured to control operation of at least one of detecting and preventing off center lifts with the block, detecting and preventing snagging of a block, and auto-centering the crane over a block.

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