JP5432688B2 - 移動ロボット及びその走行安定化方法 - Google Patents
移動ロボット及びその走行安定化方法 Download PDFInfo
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- JP5432688B2 JP5432688B2 JP2009275717A JP2009275717A JP5432688B2 JP 5432688 B2 JP5432688 B2 JP 5432688B2 JP 2009275717 A JP2009275717 A JP 2009275717A JP 2009275717 A JP2009275717 A JP 2009275717A JP 5432688 B2 JP5432688 B2 JP 5432688B2
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- 230000006641 stabilisation Effects 0.000 title claims description 15
- 238000011105 stabilization Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 title claims description 11
- 230000005484 gravity Effects 0.000 claims description 40
- 230000033001 locomotion Effects 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009545 invasion Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J5/00—Manipulators mounted on wheels or on carriages
- B25J5/007—Manipulators mounted on wheels or on carriages mounted on wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
- B25J13/08—Controls for manipulators by means of sensing devices, e.g. viewing or touching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
- B25J19/02—Sensing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1656—Programme controls characterised by programming, planning systems for manipulators
- B25J9/1664—Programme controls characterised by programming, planning systems for manipulators characterised by motion, path, trajectory planning
- B25J9/1666—Avoiding collision or forbidden zones
-
- 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
- G05D1/024—Control of position or course in two dimensions specially adapted to land vehicles using optical position detecting means using obstacle or wall sensors in combination with a laser
-
- 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
- G05D1/0274—Control of position or course in two dimensions specially adapted to land vehicles using internal positioning means using mapping information stored in a memory device
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Human Computer Interaction (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
Claims (5)
- 移動ロボット本体に懸架されて床面を走行面とする複数の車輪と、この車輪を回転させる駆動機構と、この駆動機構を制御する駆動制御部とを備えた移動ロボットにおいて、
前記移動ロボットと前記車輪との間で両者の間隔を調整するために設けられたアクチュエータと、このアクチュエータを制御するためのサスペンション制御部と、前記床面上に存在する段差を検出するセンサと、このセンサと前記移動体の速度から段差と前記車輪との接触タイミングを予測する段差予測部とを備え、
前記サスペンション制御部は、前記段差に接触する際に先に接触する車輪側に重心を移動させ、前記先に接触した車輪が前記段差に乗り上げた後反対側の車輪が前記段差に接触するまで前記先に接触した車輪とは反対側に重心を移動させ、両車輪が前記段差を乗り上げた後重心を中央に移動させるよう前記アクチュエータを制御することを特徴とする移動ロボット。 - 請求項1記載の移動ロボットにおいて、
前記サスペンション制御部は、前記車輪が凹凸を超えたことを検出する段差検出部により前記車輪が凹凸部を乗越えた際に前記移動ロボットの重心を中央に戻すよう前記アクチュエータを制御することを特徴とする移動ロボット。 - 請求項1記載の移動ロボットにおいて、
前記サスペンション制御部は、前記段差予測部により予測される左右車輪の凹凸との接触タイミングの間隔に応じて前記移動体本体の重心の移動量を調整することを特徴とする移動ロボット。 - 段差を検出する段差検出センサを備えた移動ロボットの走行安定化方法において、
前記段差検出センサにより取得した前記段差の高さと方向を検出するステップと、
前記段差と前記移動ロボットまでの距離を計測するステップと、
前記移動ロボットの移動目標速度から前記段差への接触タイミングを算出するステップと、
前記段差に接触する際にアクチュエータを制御して重心を先に接触する車輪側に移動させるステップと、
前記先に接触した車輪が前記段差に乗り上げた後反対側の車輪が前記段差に接触するまで前記先に接触した車輪とは反対側に重心を移動させるステップと、
両車輪が前記段差を乗越えたことを検知したら重心を中央に戻すステップとからなる走行安定化方法。 - 請求項4記載の走行安定化方法において、
前記段差の高さと方向は地図情報から取得する走行安定化方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009275717A JP5432688B2 (ja) | 2009-12-03 | 2009-12-03 | 移動ロボット及びその走行安定化方法 |
US12/958,575 US9162355B2 (en) | 2009-12-03 | 2010-12-02 | Mobile robot and travelling method for the same |
KR1020100121706A KR101216804B1 (ko) | 2009-12-03 | 2010-12-02 | 이동 로봇 및 그 주행 안정화 방법 |
Applications Claiming Priority (1)
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JP2009275717A JP5432688B2 (ja) | 2009-12-03 | 2009-12-03 | 移動ロボット及びその走行安定化方法 |
Publications (2)
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JP2011120383A JP2011120383A (ja) | 2011-06-16 |
JP5432688B2 true JP5432688B2 (ja) | 2014-03-05 |
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JP2009275717A Active JP5432688B2 (ja) | 2009-12-03 | 2009-12-03 | 移動ロボット及びその走行安定化方法 |
Country Status (3)
Country | Link |
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US (1) | US9162355B2 (ja) |
JP (1) | JP5432688B2 (ja) |
KR (1) | KR101216804B1 (ja) |
Families Citing this family (17)
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JP5112666B2 (ja) * | 2006-09-11 | 2013-01-09 | 株式会社日立製作所 | 移動装置 |
KR101247761B1 (ko) * | 2011-07-15 | 2013-04-01 | 삼성중공업 주식회사 | 로봇의 선체면 주행 가능 영역 확인 방법, 로봇 및 기록 매체 |
US8825294B2 (en) * | 2011-07-28 | 2014-09-02 | Deere & Company | Vehicle center of gravity active suspension control system |
KR101318596B1 (ko) * | 2012-02-29 | 2013-10-15 | 부산대학교 산학협력단 | 무인 자율 이동체 및 무인 자율 이동체의 하중측정 방법 |
US20150202770A1 (en) * | 2014-01-17 | 2015-07-23 | Anthony Patron | Sidewalk messaging of an autonomous robot |
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JP6704061B2 (ja) * | 2016-10-18 | 2020-06-03 | 株式会社日立製作所 | 移動装置、および、移動装置管理システム |
CN106737549B (zh) * | 2016-12-21 | 2019-05-31 | 深圳中智科创机器人有限公司 | 一种移动机器人及其防倾覆方法和装置 |
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KR102315678B1 (ko) | 2019-07-05 | 2021-10-21 | 엘지전자 주식회사 | 잔디 깎기 로봇 및 그 제어 방법 |
KR20210026314A (ko) | 2019-08-29 | 2021-03-10 | 삼성전자주식회사 | 캐스터 장치, 이를 구비하는 로봇 및 로봇 구동 방법 |
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- 2010-12-02 US US12/958,575 patent/US9162355B2/en active Active
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KR20110063346A (ko) | 2011-06-10 |
KR101216804B1 (ko) | 2012-12-28 |
US20110137462A1 (en) | 2011-06-09 |
US9162355B2 (en) | 2015-10-20 |
JP2011120383A (ja) | 2011-06-16 |
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