Method and system for multi-mode coverage for an autonomous robot

  • US 7,173,391 B2
  • Filed: 05/05/2004
  • Issued: 02/06/2007
  • Est. Priority Date: 06/12/2001
  • Status: Active Grant
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First Claim
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1. A mobile robot, comprising:

  • a controllable drive element operable to move the robot over a surface;

    an obstacle detection sensor; and

    a control system operatively connected to said obstacle detection sensor and said controllable drive element;

    wherein said control system is configured to operate the robot in a plurality of operational modes including an obstacle-following mode in which said robot is controlled to travel adjacent to a detected obstacle for a distance of at least twice a working width of the robot in response to detection of the detected obstacle.

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