JP5767275B2 - 移動型ロボット清掃機 - Google Patents
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0268—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means
- G05D1/0272—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means comprising means for registering the travel distance, e.g. revolutions of wheels
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0219—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory ensuring the processing of the whole working surface
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0227—Control of position or course in two dimensions specially adapted to land vehicles using mechanical sensing means, e.g. for sensing treated area
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0238—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0231—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means
- G05D1/0242—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using non-visible light signals, e.g. IR or UV signals
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- Automation & Control Theory (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Electric Vacuum Cleaner (AREA)
- Manipulator (AREA)
- Electric Suction Cleaners (AREA)
- Numerical Control (AREA)
- Cleaning In General (AREA)
Description
本PCT出願は、2001年6月12日出願の米国仮出願番号第60/297,718号の優先権を主張する。
図6乃至図14に、好適な各動作モード、すなわち、スポットカバレッジ、壁面追従(又は障害物追従)、及び室内カバレッジについての詳細を示す。
壁面追従、すなわち清掃ロボットの場合には縁端清掃により、利用者は、部屋の縁端や室内の物体の縁端のみを清掃可能である。利用者は、清掃すべき縁端の近傍の床面上にロボット10を配置し、縁端清掃動作モードを選択する。すると、ロボット10は、縁端を辿りつつ、ロボットの清掃ヘッド30が当接した全ての領域を清掃する。
ここで、第3の動作モードを、室内カバレッジあるいは室内清掃モードと呼ぶ。ここの動作モードにより、利用者は、壁、階段、障害物、又は他の遮蔽物により区画された領域を清掃することが可能となる。このオプションを実行するためには、利用者は、ロボットを床に置いて、室内清掃モードを選択する。すると、ロボットは、到達可能な全領域を清掃しながら室内をあちこち移動する。
領域をカバーしようとする際に、ロボットが全領域を効率的にカバーすることを妨げる、ロボットが遭遇し得るいくつかの状況がある。一般的な水準(class)のセンサと、脱出行動と呼ばれる行動が、ロボットがこのような状況から出られるように、あるいは、極端な場合には、ロボットが脱出できないと決定されたならばロボットをオフにするように、設計されている。ロボットの様々な行動の中で、脱出行動を優先させるかどうかを決定するために、ロボットは、以下のことを決定する。(1)脱出行動が必要であるか、(2)そうであるならば、どのような脱出行動が認められるか。
(i)状況1.(a)ブラシやサイドブラシの電流が閾値よりも上昇しているとき、関連するモータに印加される電圧は減少する。このことが起こっているときにはいつでも、失速率の変数が高くなっている。電流が閾値未満であるときには、失速率は減少している。失速レベルが低い方の閾値を越えており、その変化率(傾斜)が正であれば、ロボットは、小規模なパニック進路変更行動を実行する。レベルがゼロになってから再び閾値に達したときに、小規模なパニック進路変更行動のみを再度実行する。(b)同様に、脱輪レベル変数がある。この脱輪レベル変数は、脱輪事象が検出されたときに増加し、時間とともに徐々に減少してゆく。脱輪事象が検出されて脱輪レベルが閾値を超えていれば(何回か脱輪が起こったばかりであることを意味する)、ロボットは、脱輪レベルに基づいて小規模又は大規模なパニック進路変更行動を実行する。
Claims (12)
- 任意の大きさおよび形状を有する床面を清掃する移動型ロボット清掃機であって、
ロボット本体と、
前記ロボット本体を進行方向において前進させると共に、前記ロボット本体を回転させて前記進行方向を変更する、駆動車輪を有する駆動機構と、
前記進行方向に対し左右いずれか一方の所定側に接近する障害物を検出する非接触型の追従センサと、
前記ロボット本体の底面に配置され、埃を収集する清掃ヘッドと、
前記追従センサからの出力信号に基づいて前記駆動機構を制御するコントローラと、を備え、
前記コントローラは、壁面追従モードと、該壁面追従モードと異なる動作モードとを交互に切り替えて前記ロボット本体を進行させるよう構成され、
前記コントローラは、該別の動作モード中に前記追従センサによって障害物が検出された場合は該壁面追従モードに切り替え、該壁面追従モード中において少なくとも前記ロボットの有効幅の2倍の距離を該障害物に沿って進行し、少なくとも前記ロボットの有効幅の2倍の距離を進行したことに応じて該別の動作モードに切り替えるよう、前記駆動機構を駆動し、
前記コントローラは、前記壁面追従モードにおいて、
1)前記ロボット本体が前記所定側にある障害物から離れる方向に進行するよう、前記駆動機構を駆動し、
前記追従センサの状態が変化した場合、
2)前記ロボット本体が前記所定側にある障害物に近づく方向に進行するよう、前記駆動機構を駆動し、
前記追従センサの状態が再度変化した場合、上記1)に処理を戻し、
前記ロボット本体が、上記1)および2)の工程を繰り返し実行するよう、前記駆動機構を駆動する、移動型ロボット清掃機。 - 前記ロボット本体の移動距離を計測するための移動距離計測手段と、
障害物を検出するための衝突センサをさらに備えることを特徴とする、請求項1に記載の移動型ロボット清掃機。 - 前記コントローラは、前記移動距離計測手段によって測定された移動距離が所定の最大移動距離を超えた場合に前記壁面追従モードから離脱させることを特徴とする、請求項2に記載の移動型ロボット清掃機。
- 前記コントローラは、前記壁面追従モード中の前記ロボット本体の移動距離が最小移動距離を超えており、かつ前記衝突センサが障害物を検出した場合に前記壁面追従モードから離脱させることを特徴とする、請求項2に記載の移動型ロボット清掃機。
- 前記最大移動距離は、少なくとも、前記ロボット本体のサイズ、前記衝突センサにおいて検出した障害物の数、または頻度のいずれかによって可変であることを特徴とする請求項3に記載の移動型ロボット清掃機。
- ユーザに前記床面の大きさに関する情報を入力させるサイズ情報入力手段を備え、
前記最大移動距離は、前記サイズ情報入力手段により入力された情報に応じて変更されることを特徴とする請求項3に記載の移動型ロボット清掃機。 - 前記コントローラは、前記壁面追従モード中に前記衝突センサが障害物を検出した場合に、前記追従センサが障害物を検出し、その後非検出となるまで前記ロボット本体を回転させることを特徴とする、請求項2から請求項6のいずれか一項に記載の移動型ロボット清掃機。
- 前記コントローラは、前記追従センサによる障害物の検出状態に応じて、前記ロボット本体を進行させる場合の回転半径を設定することを特徴とする請求項1から請求項7のいずれか一項に記載の移動型ロボット清掃機。
- 前記追従センサによる障害物の検出状態が継続している場合には、前記コントローラは、前記ロボット本体が前記所定側にある障害物から離れる方向に進行する場合の回転半径を徐々に小さくすることを特徴とする請求項8に記載の移動型ロボット清掃機。
- 前記追従センサによる障害物の非検出状態が継続している場合には、前記コントローラは、前記ロボット本体が前記所定側に近づく方向に進行する場合の回転半径を徐々に小さくすることを特徴とする請求項8または請求項9に記載の移動型ロボット清掃機。
- 前記追従センサは、障害物の有無のみを検出する1ビットのセンサであることを特徴とする、請求項1から請求項10のいずれか一項に記載の移動型ロボット清掃機。
- 前記ロボット本体の進行方向後部に配置されたサイドブラシをさらに備えることを特徴とする、請求項1から請求項11のいずれか一項に記載の移動型ロボット清掃機。
Applications Claiming Priority (2)
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US29771801P | 2001-06-12 | 2001-06-12 | |
US60/297,718 | 2001-06-12 |
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JP2008246310A Division JP2009099137A (ja) | 2001-06-12 | 2008-09-25 | 自律型ロボット用マルチモード処理方法及びシステム |
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JP2013223734A JP2013223734A (ja) | 2013-10-31 |
JP5767275B2 true JP5767275B2 (ja) | 2015-08-19 |
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JP2003504174A Pending JP2004522231A (ja) | 2001-06-12 | 2002-06-12 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2006135862A Withdrawn JP2006318483A (ja) | 2001-06-12 | 2006-05-15 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2006165217A Withdrawn JP2006331434A (ja) | 2001-06-12 | 2006-06-14 | 自律型ロボット |
JP2006336042A Withdrawn JP2007133891A (ja) | 2001-06-12 | 2006-12-13 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2008246310A Pending JP2009099137A (ja) | 2001-06-12 | 2008-09-25 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2011050428A Pending JP2011129155A (ja) | 2001-06-12 | 2011-03-08 | 移動型ロボット清掃機 |
JP2011272048A Ceased JP2012064240A (ja) | 2001-06-12 | 2011-12-13 | 移動型ロボット清掃機 |
JP2013107036A Expired - Fee Related JP5767275B2 (ja) | 2001-06-12 | 2013-05-21 | 移動型ロボット清掃機 |
JP2013266238A Expired - Lifetime JP6373000B2 (ja) | 2001-06-12 | 2013-12-25 | 移動型清掃ロボット |
JP2014100216A Pending JP2014186742A (ja) | 2001-06-12 | 2014-05-14 | 移動型ロボット清掃機 |
JP2015111823A Expired - Fee Related JP6429728B2 (ja) | 2001-06-12 | 2015-06-02 | 移動型ロボット |
JP2015245807A Expired - Fee Related JP6250018B2 (ja) | 2001-06-12 | 2015-12-17 | 移動型ロボット清掃機 |
JP2016249208A Expired - Fee Related JP6522577B2 (ja) | 2001-06-12 | 2016-12-22 | 移動型ロボット清掃機 |
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JP2003504174A Pending JP2004522231A (ja) | 2001-06-12 | 2002-06-12 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2006135862A Withdrawn JP2006318483A (ja) | 2001-06-12 | 2006-05-15 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2006165217A Withdrawn JP2006331434A (ja) | 2001-06-12 | 2006-06-14 | 自律型ロボット |
JP2006336042A Withdrawn JP2007133891A (ja) | 2001-06-12 | 2006-12-13 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2008246310A Pending JP2009099137A (ja) | 2001-06-12 | 2008-09-25 | 自律型ロボット用マルチモード処理方法及びシステム |
JP2011050428A Pending JP2011129155A (ja) | 2001-06-12 | 2011-03-08 | 移動型ロボット清掃機 |
JP2011272048A Ceased JP2012064240A (ja) | 2001-06-12 | 2011-12-13 | 移動型ロボット清掃機 |
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JP2013266238A Expired - Lifetime JP6373000B2 (ja) | 2001-06-12 | 2013-12-25 | 移動型清掃ロボット |
JP2014100216A Pending JP2014186742A (ja) | 2001-06-12 | 2014-05-14 | 移動型ロボット清掃機 |
JP2015111823A Expired - Fee Related JP6429728B2 (ja) | 2001-06-12 | 2015-06-02 | 移動型ロボット |
JP2015245807A Expired - Fee Related JP6250018B2 (ja) | 2001-06-12 | 2015-12-17 | 移動型ロボット清掃機 |
JP2016249208A Expired - Fee Related JP6522577B2 (ja) | 2001-06-12 | 2016-12-22 | 移動型ロボット清掃機 |
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US (2) | US6809490B2 (ja) |
EP (8) | EP2287696B1 (ja) |
JP (13) | JP2004522231A (ja) |
AT (1) | ATE510247T1 (ja) |
AU (1) | AU2002306142A1 (ja) |
CA (1) | CA2416621C (ja) |
ES (6) | ES2520391T3 (ja) |
HK (1) | HK1061013A1 (ja) |
WO (1) | WO2002101477A2 (ja) |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |