Patents by Inventor Masafumi Ooba

Masafumi Ooba has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10549425
    Abstract: A carrier device includes a conveyor configured to carry objects supplied continuously; an object detection unit configured to detect the positions and orientations of the objects disposed in a predetermined area on the conveyor; a combination calculation unit, when a robot grasps multiple objects, out of the objects, with a hand and places the grasped objects in a container, configured to calculate combinations of sequences to grasp the objects by the hand; an index calculation unit configured to calculate an index for each combination using the distances and rotation amounts between the objects to be grasped by the hand based on the positions and orientations of the objects; and a robot control unit configured to determine the sequences to grasp the objects by the hand based on the indexes, and grasping the objects and placing the objects in the containers in accordance with the determined sequences.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: February 4, 2020
    Assignee: FANUC CORPORATION
    Inventor: Masafumi Ooba
  • Publication number: 20200034621
    Abstract: A sensing system with a detecting device that is used to detect a position of a target and a controller, where, for display on a display device or projection by a projection apparatus, the controller creates an augmented-reality image that shows: at least one of a setting related to detection of the target using the detecting device, a setting of a moving apparatus, and a setting of a robot that performs work on the target, a position of the target being recognized by the controller, a result of the detection of the target, a work plan of the moving apparatus, a work plan of the robot, a determination result of the controller and a parameter related to the target.
    Type: Application
    Filed: June 25, 2019
    Publication date: January 30, 2020
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Patent number: 10521871
    Abstract: A robot system including a conveying apparatus that conveys an object; a robot that performs a process on the object being conveyed; a visual sensor that acquires visual information about the object; a high-frequency processing unit that detects at least one of a conveying velocity at which the object is being conveyed by the conveying apparatus and a position of the object by processing, at a first frequency, the visual information; a low-frequency processing unit that detects a position of the object by processing, at a second frequency that is lower than the first frequency, the visual information; and a control unit that controls the robot.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: December 31, 2019
    Assignee: FANUC CORPORATION
    Inventor: Masafumi Ooba
  • Publication number: 20190381657
    Abstract: This robot system includes a sensor which obtains data for detecting at least a position of an object which is being moved, a robot at which a tool is attached, and which performs a predetermined operation for the object by means of the tool, and a controller which controls a tool moving device which moves the tool with respect to the robot, the tool, or an arm member which is located at a distal end side of an arm of the robot with a tool control cycle which is shorter than a control cycle of the robot.
    Type: Application
    Filed: May 17, 2019
    Publication date: December 19, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Patent number: 10507990
    Abstract: An article transport system with few missed detections, and a controller used in the system. The system includes: a conveyor that sequentially transports plural workpieces; a conveyor sensor that obtains conveyance operation information of the conveyor; an arrival sensor that senses the arrival of each workpiece; a camera that captures an image of each workpiece; a position detection processing section that detects the workpiece from the image, and identifies a position of the workpiece on the conveyor; a movement distance designation section that designates first and second movement distances; an image capturing control section that controls the camera to capture an image of the workpiece upon the conveyor advancing by the first movement distance after the arrival of the workpiece has been sensed, and each time the conveyor advances by the second movement distance; and a number designation section that designates an upper limit number for the detection process.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 17, 2019
    Assignee: FANUC CORPORATION
    Inventors: Kentaro Koga, Masafumi Ooba
  • Publication number: 20190321967
    Abstract: A work robot system includes, a work robot and a work robot control unit that perform work on a target part of an object conveyed by a conveyer device, a measurement robot, a sensor that is attached to the measurement robot and that detects a position of a detection target of the object conveyed by the conveyer device, a measurement robot control unit that moves, through control of the measurement robot, the sensor in accordance with conveyance of the object, in order to detect the position, and a force detector that is used when force control is performed. When the work robot performs the work, the work robot control unit performs force control while performing control of the work robot based on a detection result of the sensor.
    Type: Application
    Filed: April 12, 2019
    Publication date: October 24, 2019
    Inventor: Masafumi OOBA
  • Publication number: 20190322467
    Abstract: A work robot system includes, a work robot configured to perform a predetermined operation to a target part on an object moved by a conveyer device, a work robot controller, a sensor disposed at a predetermined position, and configured to detect a position of a detection target on the object moved by the conveyer device, and a force detector that is used when force control is performed. When the predetermined operation is performed by the work robot, the work robot controller performs force control while controlling the work robot based on a detection result of the sensor.
    Type: Application
    Filed: April 12, 2019
    Publication date: October 24, 2019
    Inventor: Masafumi Ooba
  • Patent number: 10442633
    Abstract: A robot system including a conveying device; a robot that processes an object being conveyed; a first and second supply unit that supply the object onto the conveying device; a movement amount detection unit that successively detects an amount of movement of the object supplied by the first supply unit; a single vision sensor that successively acquires visual information of the object being conveyed; an object detection unit that processes the acquired visual information to detect position and orientation of the object; an interval detection unit that detects an interval between objects on the conveying device; a control unit that controls the robot based on the amount of movement and the position and orientation; and a production management unit that causes the second supply unit to supply the object at a position of the interval.
    Type: Grant
    Filed: July 12, 2018
    Date of Patent: October 15, 2019
    Assignee: FANUC CORPORATION
    Inventor: Masafumi Ooba
  • Patent number: 10437238
    Abstract: A cell controller of a system includes: a sensor management part that collectively manages information from a sensor; a workpiece management part that monitors at least one of the stroke and the state amount of a workpiece, the stroke and state amount being included in the information from the sensor; and a task management part that selects the workpiece to be handled based on the task request from a machine controller and at least one of the stroke and the state amount of the workpiece, and transmits information on the workpiece to be handled to the machine controller.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 8, 2019
    Assignee: FANUC CORPORATION
    Inventor: Masafumi Ooba
  • Patent number: 10377581
    Abstract: An article conveying device, capable of selecting and taking out an appropriate article, even when plural articles are conveyed while overlapping each other. The device has: a supplying section for conveying articles; a position/orientation detecting section for detecting 3-D position/orientation of the article on the supplying section; a movement amount detecting section for detecting an amount of movement of the supplying section; a working section for taking out the article while following a conveying motion of the supplying section, based on the detected 3-D position/orientation and based on the detected amount of movement; and an article selecting section for, when the articles are conveyed while being overlapped with each other, selecting an article to be taken out, on which another article is not overlapped on the object in a determined take-out direction, and outputting a command to the working section for taking out the selected article.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: August 13, 2019
    Assignee: FANUC CORPORATION
    Inventor: Masafumi Ooba
  • Publication number: 20190240841
    Abstract: A work robot system including a conveying apparatus that conveys an object, a robot that performs a predetermined task on a target portion of the object being conveyed by the conveying apparatus, a controller that controls the robot, a sensor that is attached to the robot and successively detects a position, relative to the robot, of the target portion of the object being conveyed by the conveying apparatus, and a force detector that detects a force generated by a contact between the object and a part supported by the robot. When the robot is performing the predetermined task, the controller performs force control based on a detection value of the force detector while controlling the robot by using a detection result of the sensor.
    Type: Application
    Filed: January 11, 2019
    Publication date: August 8, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Publication number: 20190232491
    Abstract: A work robot system including a conveying apparatus that conveys an object in one direction; a robot that performs a predetermined task on a target portion of the object being conveyed by the conveying apparatus, a movement amount detector that sequentially detects the movement amount of the object moved by the conveying apparatus, and a force detector that detects a force generated by contact between a tool supported by the robot and the object. Then, when the predetermined task is performed, a controller performs force control based on a value detected by the force detector while performing control of the robot by use of information about the position of the target portion and a value detected by the movement amount detector.
    Type: Application
    Filed: January 11, 2019
    Publication date: August 1, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Publication number: 20190224851
    Abstract: A robot system includes: a transport device; an article accumulating part that can block the article without stopping the operation of the transport device; a robot performing a task on the article in a working area defined on a downstream side; a control unit; an article-decelerating unit that can reduce the speed of the article in the working area; a detecting unit detecting the traveling distance of the article; a sensing unit that detects the position of the article on an upstream side; and a management unit that causes the article to be blocked and causes the speed of the article to be reduced when the management unit determines that the task will not be completed within the working area. The control unit calculates the current position of the article based on the position and the traveling distance and causes the robot to follow the article to complete the task.
    Type: Application
    Filed: December 10, 2018
    Publication date: July 25, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Publication number: 20190225430
    Abstract: Provided is an object conveying system including: a conveying apparatus that conveys an object; one or more cameras that capture images of feature points of the object; a position measuring portion that measures positions of the feature points from the acquired images; a detecting portion that detects a position or a movement velocity of the object; a position correcting portion that corrects the positions of the feature points so as to achieve positions at which the feature points are disposed at the same time; a line-of-sight calculating portion that calculates lines of sight that pass through the feature points on the basis of the corrected positions of the feature points and the positions of the cameras; and a position calculating portion that calculates a three-dimensional position of the object by applying a polygon having a known shape to the calculated lines of sight.
    Type: Application
    Filed: November 30, 2018
    Publication date: July 25, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Publication number: 20190225433
    Abstract: An article transfer system including: a transfer device that transfers an article in one direction; a travel distance detecting unit that sequentially detects a distance the article transferred by the transfer device has traveled; an article sensing unit that senses passage of the article transferred by the transfer device; an image capturing unit that photographs the article, the image capturing unit being disposed downstream of the article sensing unit in a transfer direction of the transfer device; a position-and-orientation detecting unit that processes an image captured with the image capturing unit to extract the article and detect a position and an orientation of the article; and a removal unit that removes the article, which has been sensed with the article sensing unit but not extracted by the process performed in the position-and-orientation detecting unit, from the transfer device, the removal unit being disposed downstream of the image capturing unit.
    Type: Application
    Filed: December 7, 2018
    Publication date: July 25, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Publication number: 20190112134
    Abstract: Provided is a work system including: a conveying apparatus that conveys an object; a moving platform that can be moved; a work portion that is secured to the moving platform and that performs work on the object being conveyed by the conveying apparatus; a visual sensor that is secured to the moving platform and that successively acquires visual information about the object being conveyed by the conveying apparatus or a mark formed on the conveying apparatus; a detecting portion that successively detects at least positions of the object or the mark by processing the visual information acquired by the visual sensor; a calculating portion that calculates a conveying velocity of the conveying apparatus on the basis of the positions of the object or the mark successively detected by the detecting portion; and a drive control unit that drives the work portion by using the conveying velocity.
    Type: Application
    Filed: August 21, 2018
    Publication date: April 18, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Patent number: 10252416
    Abstract: An article conveying device having a temporary placement section and capable of conveying articles. The article conveying device has: a supplying section configured to sequentially convey or supply plural articles; a discharging section configured to sequentially convey plural containers for containing the articles; a temporary placement section on which at least one article can be temporarily placed; a first detecting section configured to detect a position/posture of the article on the supplying section and successively detect an amount of movement of the supplying section; a second detecting section configured to detect a position/posture of the container on the discharging section and successively detect an amount of movement of the discharging section; a working machine configured to convey the article between the supplying section, the temporary placement section and the discharging section; and a controlling section configured to control the working machine based on a predetermined condition.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: April 9, 2019
    Assignee: FANUC CORPORATION
    Inventor: Masafumi Ooba
  • Patent number: 10232512
    Abstract: An apparatus for setting a conveyor coordinate system in a robot system. The apparatus includes features provided on a movable part of a conveyor; a sensor provided on a robot; a first coordinate acquiring section for making the sensor detect positions of two features, when the movable part is in a first position, and acquiring two first coordinates in a base coordinate system of the robot; a conveying operation executing section for making the movable part perform a conveying operation from the first position toward a second position; a second coordinate acquiring section for making the sensor detect a position of one feature, when the movable part is in the second position, and acquiring one second coordinate in the base coordinate system; and a coordinate system determining section for determining the conveyor coordinate system based on a conveying operation direction, two first coordinates and one second coordinate.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: March 19, 2019
    Assignee: FANUC CORPORATION
    Inventors: Masafumi Ooba, Ichiro Kanno
  • Publication number: 20190047141
    Abstract: A robot system including a conveying device; a robot that processes an object being conveyed; a first and second supply unit that supply the object onto the conveying device; a movement amount detection unit that successively detects an amount of movement of the object supplied by the first supply unit; a single vision sensor that successively acquires visual information of the object being conveyed; an object detection unit that processes the acquired visual information to detect position and orientation of the object; an interval detection unit that detects an interval between objects on the conveying device; a control unit that controls the robot based on the amount of movement and the position and orientation; and a production management unit that causes the second supply unit to supply the object at a position of the interval.
    Type: Application
    Filed: July 12, 2018
    Publication date: February 14, 2019
    Applicant: FANUC CORPORATION
    Inventor: Masafumi OOBA
  • Publication number: 20190039247
    Abstract: An article transfer device includes a robot configured to perform a workpiece picking operation; an image capturing device that captures an image of a workpiece on a conveyor; and a control unit, configured to execute, a workpiece identification process performing workpiece detection in the captured images; a workpiece information storage process storing workpiece information about a position and an angle of each detected workpiece in a storage device; and an identical workpiece determination process comparing the workpiece information of each of the detected workpieces in a newly captured image with the workpiece information of each of the detected workpieces in previously captured images, to determine whether the detected workpieces that are identical to the detected workpieces in the previously captured images exist in the newly captured image, to store in the storage device only the workpiece information of one of the images regarding the detected workpieces determined to be identical.
    Type: Application
    Filed: June 22, 2018
    Publication date: February 7, 2019
    Applicant: Fanuc Corporation
    Inventors: Taiki KATAGIRI, Masafumi OOBA, Kentaro KOGA