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Robot cleaner and control method for the same

  • US 9,596,971 B2
  • Filed: 10/16/2012
  • Issued: 03/21/2017
  • Est. Priority Date: 10/21/2011
  • Status: Active Grant
First Claim
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1. A robot cleaner comprising:

  • auxiliary cleaning units mounted to the robot cleaner, the auxiliary cleaning units being extendable and retractable from the robot cleaner to remove foreign matter from a floor while the robot cleaner travels on the floor to clean a cleaning region;

    a sensing unit to sense operation states of the auxiliary cleaning units, respectively; and

    a control unit to determine whether the auxiliary cleaning units operate normally based on the operation states sensed by the sensing unit, and, when one of the auxiliary cleaning units is not operating normally while another one of the auxiliary cleaning units is operating normally, to control travel of the robot cleaner so that the another one of the auxiliary cleaning units cleans an area adjacent to an edge portion of the cleaning region.

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