WO2007132571A1 - ロボット - Google Patents
ロボット Download PDFInfo
- Publication number
- WO2007132571A1 WO2007132571A1 PCT/JP2007/050576 JP2007050576W WO2007132571A1 WO 2007132571 A1 WO2007132571 A1 WO 2007132571A1 JP 2007050576 W JP2007050576 W JP 2007050576W WO 2007132571 A1 WO2007132571 A1 WO 2007132571A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- traveling
- robot
- detected object
- main body
- information
- Prior art date
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Classifications
-
- 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
- B25J11/00—Manipulators not otherwise provided for
- B25J11/0005—Manipulators having means for high-level communication with users, e.g. speech generator, face recognition means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
Definitions
- the present invention relates to a self-propelled robot.
- a self-propelled robot capable of mutual transmission of various information (character, image information, voice information, etc.) with a person.
- a robot described in Patent Document 1 includes a torso (cart) having two wheels, a chest mounted on the torso, a head rotatably connected to the chest, and a chest. It has left and right arms that are pivotally connected. The head has two cameras that mimic eyes.
- This robot recognizes the person (user) who is the other party with a camera and controls the drive unit that drives the two wheels to move the torso to the front of the user's face or body. Therefore, it is possible to communicate with each other by transmitting information to each other with the eyes (camera) facing the user and looking at the user's eyes. In other words, since the conversation is performed with the robot standing in front of him and looking at his eyes as seen from the user side, a friendly conversation is established.
- Patent Document 1 Japanese Patent Laid-Open No. 2004-34274
- a main object of the present invention is to provide a robot capable of traveling while always directing a predetermined part of a main body (body) toward a detected body such as a person.
- a robot includes a main body portion, a traveling wheel, a traveling portion connected to the main body portion so as to be relatively rotatable, traveling driving means for driving the traveling wheel, and the main body
- traveling driving means for driving the traveling wheel
- main body A rotation drive means for rotating the part relative to the travel part, a control means for controlling the travel drive means and the rotation drive means, and a position detection means for detecting the position of a surrounding detected object.
- the control means is configured so that a predetermined portion of the main body portion always faces the detected body based on the position of the detected body detected by the position detecting means during traveling of the traveling section.
- the rotation driving means is controlled.
- the main body and the traveling unit are coupled so as to be relatively rotatable, and the control unit is configured to perform the traveling unit based on the position of the detected object detected by the position detecting unit.
- the rotation driving means is controlled so that a predetermined part of the main body (for example, the front of the main body) always faces the detected object.
- a part of the main body necessary for information transmission to the detected object a part where a camera, a microphone, a display, or a speaker is provided
- a part of the main body necessary for information transmission to the detected object is always directed toward the detected object.
- information can be reliably transmitted to the detected object.
- by always directing the front surface of the main body to the detected body it is possible to perform movements (gestures) of the head and arms on the detected body while traveling.
- the position information of the detected object acquired by the position detecting means may be information on the position of the detected object itself (information on both the separation distance and the direction), but at least the robot If the direction in which the detected object is present when the force is seen is known, the predetermined part of the main body can be directed in that direction.Therefore, the position information detected by the position detecting means includes the detected object. Only the direction to do.
- a robot according to a second aspect of the present invention is the robot according to the first aspect, further comprising information acquisition means for acquiring information from the detected object, wherein the information acquisition is performed on the predetermined portion of the main body. At least a part of the means is provided.
- information such as the physical strength of the detected person (for example, the body shape and posture of the person who is the detected object)
- at least part of the information acquisition means that acquires visual information such as gestures and voice information such as voices uttered by humans always faces the direction of the detected object. It can be acquired with certainty.
- a robot according to a third aspect of the present invention is the robot according to the first or second aspect, further comprising information transmission means for transmitting information toward the detected object, wherein the predetermined part of the main body is provided. Further, at least a part of the information transmitting means is provided. According to this configuration, since at least a part of the information transmitting means always faces in the direction of the detected object during traveling, the information transmitting means gives image information, audio information, etc. to the detected object. The various information can be transmitted reliably.
- the control means performs the running based on the position of the detected object detected by the position detection means.
- the travel driving means is controlled so that the row section travels while keeping the distance from the detected object within a predetermined range. According to this configuration, the distance between the detected object and the detected object is kept within a certain range during traveling, so that the information is not communicated with the detected object. Thus, it is possible to perform it stably even while driving.
- a robot according to a fifth aspect of the present invention is the robot according to any one of the first to fourth aspects, wherein the main body is coupled to the travel unit so as to be relatively rotatable, and an upper end of the body. It is characterized by comprising a head portion that is pivotally provided on the part and two arm portions that are pivotably provided on both side portions of the body part. According to this configuration, the front part of the torso is always directed to the detected object while the traveling part is traveling, so that the detected object can easily recognize the movements (gestures) of the left and right arms and the head. Become.
- FIG. 1 is a front view of a guide robot according to an embodiment of the present invention.
- FIG. 2 is a side view of the guide robot.
- FIG. 3 is an enlarged view of a connecting portion that connects the body portion and the leg portion.
- FIG. 4 is a block diagram showing an electrical configuration of a guide robot centered on a control device.
- FIG. 5 is a flowchart of the guidance operation of the guidance robot.
- FIG. 6 is a diagram showing a state in which the detected object is present in the detectable area of the position detection sensor.
- Fig. 7 is a diagram showing a state in which the guide robot runs while facing the front of the trunk and the head toward the body to be detected.
- This embodiment is an example in which the present invention is applied to a self-propelled guide robot that guides a person who is a guide to a target position.
- the guide robot 1 includes a main body 10 having a trunk 12, a head 13, and an arm 14, and traveling connected to the main body 10 so as to be relatively rotatable.
- a control device 17 (control means: see FIG. 4) for controlling the operation of each unit 11 and each part of the guide robot 1 is provided.
- a display 20 for displaying character information and image information provided to the guided person is provided on the front surface (front surface in FIG. 1) of the body portion 12.
- a touch panel as an input device is provided on the surface of the display 20.
- a plurality of (for example, four) position detection sensors 21 for example, four) for detecting the positions of various objects 50 (detected bodies) including a guided person existing around the guidance robot 1 are provided on the side surface of the body part 12.
- Position detecting means is provided.
- As the position detection sensor 21 an ultrasonic sensor or a laser sensor can be used.
- the guide robot 1 includes a plurality of position detection sensors 21. It is now possible to detect in which direction and how far away the guided person is located in the circular detectable area A centered on the body 12! .
- a head 13 is connected to the upper end of the body 12 so as to be rotatable about a vertical axis (not shown).
- the head 13 is connected to a head drive motor 46 (see FIG. 4). Driven.
- On the front surface of the head 13 (the front surface in FIG. 1), there is visual information of the detected object such as the guided person (eg, the guided person's body shape, posture, or CCD camera 22 for acquiring gestures, etc., a microphone 23 for acquiring voice information generated by the surrounding detected object and the like, a speaker 24 for transmitting voice information to the surroundings, and the like.
- the guided person eg, the guided person's body shape, posture, or CCD camera 22 for acquiring gestures, etc.
- a microphone 23 for acquiring voice information generated by the surrounding detected object and the like
- a speaker 24 for transmitting voice information to the surroundings, and the like.
- the CCD camera 22 and the microphone 23 provided in front of the head 13 correspond to the information acquisition means of the present invention for acquiring information from the detected object.
- the display 20 provided in front of the body portion 12 and the speaker 24 force provided in front of the head 13 correspond to the information transmitting means of the present invention for transmitting information to the detected object.
- two shoulder portions 25 are rotatably connected to the left and right side portions of the upper portion of the body portion 12 via a shaft 27 extending in the left-right direction.
- the two arms 14 are connected to each other via a shaft 28 extending in the front-rear direction (vertical direction in FIG. 1).
- the two shoulder portions 25 are rotationally driven around the shaft 27 by the two shoulder drive motors 42 and 43 (see FIG. 4), and the two arm portions 14 are driven by the two arm drive motors 44 and 45 (see FIG. 4). (Refer to 4). Therefore, the arm portion 14 can swing in the front-rear direction and the left-right direction via the shoulder portion 25.
- the traveling unit 11 includes a leg portion 15, a frame member 16 fixedly provided at the lower end portion of the leg portion 15, and two rotatably provided at left and right end portions of the frame member 16. And traveling wheels 30.
- the leg portion 15 is connected to the body portion 12 via the connecting portion 31 so as to be relatively rotatable.
- the connecting portion 31 includes a connecting shaft 32, two pulleys 33 and 34, a belt 35 suspended on the two pulleys 3 and 34, and a body drive motor that rotationally drives the pulley 34. 36 (rotation drive means).
- the upper end portion of the connecting shaft 32 is fixed to the central portion of the lower end portion of the body portion 12, and the lower end portion of the connecting shaft 32 is rotatably supported by the leg portion 15.
- the connecting shaft 32 has a hollow inside.
- a hollow shaft having a power supply cable for a motor, a control cable, and the like are disposed inside the hollow shaft.
- one pulley 33 is fixedly provided in the middle in the longitudinal direction of the connecting shaft 32, and the other pulley 34 is coaxially attached to the output shaft of the body drive motor 36. ing. Therefore, when the pulley 34 is rotationally driven by the body drive motor 36, the rotation is transmitted to the connecting shaft 32 via the belt 35 and the pulley 33, and the body portion 12 is integrated with the connecting shaft 32. Rotates relative to 11.
- the two traveling wheels 30 are connected to two wheel drive motors 40, 41 (see FIG. 4: travel drive means), respectively. Further, two auxiliary wheels (casters) 37 are rotatably provided at both front and rear ends of the frame member 16.
- the traveling unit 11 travels on a flat traveling surface by rotating the two traveling wheels 30 by the two wheel driving motors 40 and 41 and rotating the two auxiliary wheels 37 in a driven manner. Is possible.
- the two wheel drive motors 40 and 41 are used to rotate the two left and right traveling wheels 30 at different rotational speeds to create a differential between the two wheels, thereby changing the direction (traveling direction) of the traveling unit 11. It can change in any direction.
- the main body part 10 (the body part 12) can rotate with respect to the traveling part 11 (the leg part 15), so that the traveling part 11 is traveling in a predetermined direction.
- the front surface of the body portion 12 can be directed in a direction different from the traveling direction of the traveling portion 11. Therefore, the guide robot 1 can travel while always facing the front of the body part 12 provided with the display 20, the CCD camera 22, and the like toward the guided person. This configuration will be described in more detail later.
- the control device 17 is processed by a CPU (Central Processing Unit) that is a central processing unit, a ROM (Read Only Memory) that stores programs and data for controlling each part of the guide robot 1, and the CPU.
- RAM Random Access Memory
- This control device 17 contains information (position information, visual information, audio information, etc.) about the detected object acquired by a plurality of position detection sensors 21, CCD cameras 22, and microphones 23. It is powered. In addition, information (character information, voice message, etc.) to be transmitted to the guided person is output to the display 20 and the speaker 24. Furthermore, the control device 17 controls the motors 36, 40, 41, 42, 43, 44, 45, 46 based on information about the guided person acquired by the position detection sensor 21, the CCD camera 22, etc. Each part (the body part 12, the head part 13, the shoulder part 25, the arm part 14, and the running wheel 30) of the guide robot 1 is driven to perform a predetermined guide operation set by a program stored in the ROM.
- FIGS. 6 and 7 A series of guidance operation control of the guidance robot 1 by the control device 17 will be described more specifically with reference to the flowchart of FIG. 5 and FIGS. 6 and 7.
- the display of the arm portion 14 of the guide robot 1 is omitted.
- the body drive motor 36 and the head based on the position information of the object 50 detected by the position detection sensor 21, the body drive motor 36 and the head
- the body 12 and the head 13 are respectively rotated by the drive motor 46 so that the front of the body 12 and the head 13 are directed to the object 50 (detected body) (Sl l).
- the detected object 50 is photographed by the CCD camera 22 provided in front of the head 13, and image data of the outer shape of the detected object 50 is acquired.
- the control device 17 determines whether or not the detected object 50 is a human force (S12). For example, the control device 17 analyzes the image data of the detected object 50 obtained by the CCD camera 22 and determines whether the detected object 50 is a human depending on whether or not the image data power can also confirm a human face. Judgment can be made.
- the analysis of the image data for face confirmation only needs to be performed when the detected object 50 is detected by the position detection sensor 21, so that the load on the control device 17 is considerably reduced. Further, from the position information of the detected object 50 obtained by the position detection sensor 21, the control device 17 can estimate which part of the image data obtained by the CCD camera 22 has the face data. .
- the control device 17 can analyze only the part that is estimated to have a face that does not need to analyze all of the obtained image data, and can determine the presence or absence of the face. The load on the device 17 is further reduced.
- the detected object 50 is confirmed to be a human (S12: Yes)
- the two driving wheels 30 are driven to rotate by the wheel drive motors 40, 41, and the traveling unit 11 is caused to travel.
- the person 50 is approached and it is confirmed whether the person 50 needs guidance by the guidance robot 1 (S13).
- the speaker 24 power voice message is sent to the person 50, and then the response from the person 50 is obtained by the microphone 23, thereby confirming whether there is a guidance request.
- a response to the message is also input by the touch panel force provided on the display 20 by the person 50, so that the presence or absence of a guidance request can be confirmed.
- the guidance robot 1 starts a guidance operation (S14). That is, predetermined character information and image information are displayed on the display 20, and voice information is exchanged (conversation) with the guided person 50 through the speaker 24 and the microphone 23, and the shoulder portion 25 is raised and the arm portion 14 is raised. Pointing to the target, swinging the arm part 14 up and down, left and right, gesturing, or turning the head 13 while driving the traveling part 11 and guiding Guide the person 50 to the target position.
- the guidance robot 1 always grasps the position of the guided person 50 by the position detection sensor 21.
- the control device 17 is based on the position information of the guided person 50.
- the torso drive motor 36 is controlled so that the torso part 12 and the front of the head 13 provided on the torso part 12 face the guided person 50 as shown in FIG. Rotate with respect to the traveling unit 11 (S16). If the front direction of the body part 12 and the head part 13 are different, the control device 17 controls the head drive motor 46 so that the head part 13 faces the same direction as the body part 12. Rotate.
- the display 20 provided in front of the body 12 and the CCD camera 22, microphone 23, and speaker 24 provided in front of the head 13 are always guided 5 It turns to 0. Therefore, information relating to the guided person 50, for example, visual information such as the body shape, posture, and gesture of the guided person 50, and voice information generated by the guided person 50 are reliably acquired by the CCD camera 22 and the microphone 23. be able to. Also, display 20 Nya speed Character information, image information, or audio information is transmitted from the display 20 or the speaker 24 to the guided person 50 with the car 24 facing the guided person. You will be able to get surely. Therefore, the guide robot 1 can travel while interacting with the guided person.
- the guided person 50 since the front side of the body part 12 faces the guided person 50, the guided person 50 also has a frontal force with a gesture using the left and right arm parts 14 and the head part 13 provided on the body part 12. Because it can be seen, it becomes easier to recognize gestures and the guidance effect of such gestures is enhanced.
- the control device 17 controls the wheel drive motors 40 and 41 based on the position information of the guided person 50 so that the distance from the guided person 50 is within a predetermined range.
- the traveling direction and traveling speed are changed (S18). That is, since the traveling unit 11 travels while keeping the distance between the guide robot 1 and the guided person 50 within a predetermined range, the guiding robot 1 does not come too close or too far from the guided person 50. For this reason, the guide robot 1 can continue to communicate with the guided person 50 reliably while traveling.
- the guide robot 1 performs a predetermined in-house operation while repeating the steps S15 to S18 described above, and after guiding the guided person 50 to the target position (S19: Yes), returns to S10. Guide another guide.
- the body portion 12 of the main body portion 10 and the running portion 11 are coupled so as to be relatively rotatable, and the control device 17 is controlled by the position detection sensor 21.
- the body 10 is controlled by controlling the body driving motor 36 so that the front of the body 10 (the body 12 and the head 13) always faces the guided person. Is rotated relative to the traveling unit 11. Therefore, even when the guidance robot 1 is running, the front part of the main body 10 where the CCD camera 22, microphone 23, speaker 24, display 20, etc. are provided always faces the guided person. Can communicate with each other reliably.
- the body part 10 can be directed toward the guided person while running in parallel with the guided person walking, gestures by the arm part 14 and the head part 13 are proposed. It becomes easier for the insider to recognize, and the guidance effect by gesture is enhanced.
- the position detection sensor 21 To direct the front of the main body 10 toward the detected object while the traveling part 11 is traveling, the position detection sensor 21 only needs to detect at least the direction in which the detected object exists. It is not always necessary to be able to detect the separation distance of the object to be detected.
- a microphone 23 may be used as the position detection sensor 21 instead of the above-described ultrasonic sensor or laser sensor, and the microphone 23 may be configured to detect the direction of the detected object that is a sound source.
- the positions of the CCD camera 22, the microphone 23, the speaker 24, and the display 20 can be changed as appropriate.
- the CCD camera 22, the microphone 23, the speaker 24, and the display 20 force need not all be provided in front of the main unit 10.
- a microphone having no directivity (omni-directional) is used, voice information can be acquired from any direction, and therefore the microphone does not need to be provided in front of the main body unit 10.
- at least one force of the CCD power camera 22, microphone 23, speaker 24, and display 20 is provided on a part other than the front surface (for example, the side surface) of the main body 10 and this part is always detected during traveling. It is configured to face the body.
- At least one of the CCD camera 22, the microphone 23, and the speaker 24 may be provided on the body 12, and conversely, the display 20 may be provided on the head 13.
- the present invention is applied to a guide robot that guides a person to a target position, but a robot to which the present invention can be applied is not limited to a guide robot.
- the present invention can be applied to various robots that are required to communicate with people while traveling, such as a robot for serving meals for people and an educational robot for teaching people to study.
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Manipulator (AREA)
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US12/300,954 US8272466B2 (en) | 2006-05-16 | 2007-01-17 | Robot |
EP07713623A EP2025478B1 (en) | 2006-05-16 | 2007-01-17 | Robot |
JP2008515438A JP4915417B2 (ja) | 2006-05-16 | 2007-01-17 | ロボット |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2006-136594 | 2006-05-16 | ||
JP2006136594 | 2006-05-16 |
Publications (1)
Publication Number | Publication Date |
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WO2007132571A1 true WO2007132571A1 (ja) | 2007-11-22 |
Family
ID=38693672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2007/050576 WO2007132571A1 (ja) | 2006-05-16 | 2007-01-17 | ロボット |
Country Status (5)
Country | Link |
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US (1) | US8272466B2 (ja) |
EP (1) | EP2025478B1 (ja) |
JP (1) | JP4915417B2 (ja) |
KR (1) | KR20090005238A (ja) |
WO (1) | WO2007132571A1 (ja) |
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JP2011000656A (ja) * | 2009-06-17 | 2011-01-06 | Advanced Telecommunication Research Institute International | 案内ロボット |
JP2015518188A (ja) * | 2012-02-29 | 2015-06-25 | アイロボット コーポレイション | 可動式ロボット |
CN105108755A (zh) * | 2015-09-07 | 2015-12-02 | 上海人智信息科技有限公司 | 一种智能仿人循迹送餐机器人 |
JP2018051701A (ja) * | 2016-09-29 | 2018-04-05 | トヨタ自動車株式会社 | コミュニケーション装置 |
US10576633B2 (en) | 2016-09-29 | 2020-03-03 | Toyota Jidosha Kabushiki Kaisha | Communication device |
JP2020049624A (ja) * | 2018-09-28 | 2020-04-02 | 日本信号株式会社 | 案内ロボット |
Also Published As
Publication number | Publication date |
---|---|
EP2025478B1 (en) | 2011-09-14 |
US8272466B2 (en) | 2012-09-25 |
EP2025478A1 (en) | 2009-02-18 |
US20090173561A1 (en) | 2009-07-09 |
JPWO2007132571A1 (ja) | 2009-09-24 |
EP2025478A4 (en) | 2010-06-23 |
KR20090005238A (ko) | 2009-01-12 |
JP4915417B2 (ja) | 2012-04-11 |
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