AUTONOMOUS CLEANING ROBOT

PROBLEM TO BE SOLVED: To provide an autonomous cleaning robot which suitably detects existence of a cliff, such as a set of stairs in a floor surface to prevent the robot from falling down the cliff when the robot meeting with the cliff while moving.SOLUTION: The autonomous cleaning robot includes:...

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Bibliographic Details
Main Authors CAMPBELL TONY L, SVENDSEN SELMA, BURNETT SCOTT THOMAS, WON CHIKYUNG, OZICK DANIEL N, MORSE CHRISTOPHER, CASEY CHRISTOPHER M, KAPOOR DEEPAK RAMESH
Format Patent
LanguageEnglish
Published 12.07.2012
Subjects
COFFEE MILLS
DOMESTIC ARTICLES OR APPLIANCES
DOMESTIC WASHING OR CLEANING
FURNITURE
HUMAN NECESSITIES
SPICE MILLS
SUCTION CLEANERS IN GENERAL
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Summary:PROBLEM TO BE SOLVED: To provide an autonomous cleaning robot which suitably detects existence of a cliff, such as a set of stairs in a floor surface to prevent the robot from falling down the cliff when the robot meeting with the cliff while moving.SOLUTION: The autonomous cleaning robot includes: a chassis; a drive system mounted on the chassis and having a plurality of wheels configured to maneuver the autonomous cleaning robot; a floor proximity sensor carried by the chassis and configured to detect the cliff in the floor surface; a run off sensor disposed in the proximity of the wheel and detecting a downward displacement of the wheel relative to the chassis; and a verification system for verifying whether the floor proximity sensor is blocked, based on the detection result of the floor proximity sensor, when the run off sensor detects that all the wheels of the drive system run off.
Bibliography:Application Number: JP20120087445