Patents by Inventor Hiromitsu Takahashi

Hiromitsu Takahashi 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).

  • Publication number: 20190077015
    Abstract: A hand for transferring a transfer target can be selected even when the combination of the transfer target and the hand is not taught. A machine learning device includes: state observation means for acquiring at least a portion of image data obtained by imaging a transfer target as input data; label acquisition means for acquiring information related to grasping means attached to a robot for transferring the transfer target as a label; and learning means for performing supervised learning using a set of the input data acquired by the state observation means and the label acquired by the label acquisition means as teacher data to construct a learning model that outputs information related to the grasping means appropriate for the transferring.
    Type: Application
    Filed: August 30, 2018
    Publication date: March 14, 2019
    Inventors: Yasuhiro SHIBASAKI, Yuta NAMIKI, Hiromitsu TAKAHASHI
  • Patent number: 10203666
    Abstract: A cell controller includes an inside information acquiring unit for acquiring the inside information of the plurality of manufacturing machines, and an inside information comparing unit which compares, with regard to a first manufacturing machine and a second manufacturing machine, which are selected by the comparison object selecting unit, first inside information and second inside information, which are acquired, and the inside information comparing unit extracting a difference therebetween. The cell controller also includes an abnormality cause finding unit for finding a cause of an abnormality that occurs in the first manufacturing machine or the second manufacturing machine, based on the difference, and an abnormality cause conveying unit for conveying the cause of the abnormality to the outside of the cell controller.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: February 12, 2019
    Assignee: FANUC CORPORATION
    Inventors: Hiromitsu Takahashi, Toshimichi Aoki
  • Patent number: 10175684
    Abstract: A laser processing robot system including a laser irradiation device that carries out an irradiation point shifting operation, a robot that moves the laser irradiation device, a laser irradiation device controller that controls the irradiation point shifting operation, and a robot controller that controls the robot. When moving the laser irradiation device by the robot, the robot controller instructs the robot on a plurality of first interpolated positions at every first interpolation period, and outputs a command value associated with the irradiation point shifting operation to the laser irradiation device controller at every second interpolation period shorter than the first interpolation period.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: January 8, 2019
    Assignee: FANUC CORPORATION
    Inventors: Hiromitsu Takahashi, Toshimichi Aoki, Masanobu Hatada
  • Publication number: 20180370027
    Abstract: A machine learning device that acquires state information from a robot control inspection system. The system has a robot hand to hold a workpiece or camera. The state information includes a flaw detection position of the workpiece, a movement route of the robot hand, an imaging point of the workpiece, and the number of imaging by the camera. A reward calculator calculates a reward value in reinforcement learning based on flaw detection information including the flaw detection position. A value function updater updates an action value function by performing the reinforcement learning based on the reward value, the state information, and the action.
    Type: Application
    Filed: May 16, 2018
    Publication date: December 27, 2018
    Inventors: Yuusuke OOTA, Fumikazu WARASHINA, Hiromitsu TAKAHASHI
  • Publication number: 20180281172
    Abstract: Provided is a robot system including a robot; a control device configured to control the robot; a portable teach pendant connected to the control device; and a teaching handle attached to the robot and connected to the control device, where the teach pendant is provided with a first enable switch configured to permit operation of the robot by the teach pendant, the teaching handle is provided with a second enable switch configured to permit operation of the robot by the teaching handle, and the control device enables operation of the robot by the teaching handle only when the first enable switch is in an off state and the second enable switch is switched to the on state, and enables operation of the robot by the teach pendant only when the second enable switch is in an off state and the first enable switch is switched to the on state.
    Type: Application
    Filed: March 2, 2018
    Publication date: October 4, 2018
    Applicant: Fanuc Corporation
    Inventors: Gou Inaba, Tomoyuki Yamamoto, Hiromitsu Takahashi
  • Publication number: 20180281173
    Abstract: A complicated motion program is taught, in a simple manner, to a lead-through teachable robot. Provided is a teaching apparatus for a robot, the teaching apparatus being provided with: a movement-instruction input portion that is attached to the robot and with which a movement instruction for the robot is input; and a command input portion with which it is possible to set at least one of a movement-trajectory defining command, a standby command, a speed-changing command, and a work-condition changing command at an arbitrary position on a movement pathway of the robot in a direction that corresponds to the movement instruction input via the movement-instruction input portion.
    Type: Application
    Filed: March 19, 2018
    Publication date: October 4, 2018
    Inventors: Mikito HANE, Hiromitsu TAKAHASHI
  • Publication number: 20180229363
    Abstract: A tablet terminal that establishes a wireless connection with one of a plurality of controllers each having identification information and transmits an operation signal for commanding operation of a robot to the wirelessly connected controller, is configured to prevent the robot from being operated by the operation signal when the identification information of the controller to which the base holding the tablet terminal is connected does not coincide with the identification information of the controller to which the tablet terminal is connected.
    Type: Application
    Filed: February 15, 2018
    Publication date: August 16, 2018
    Applicant: FANUC CORPORATION
    Inventors: Yuusuke Kurihara, Tomoyuki Yamamoto, Hiromitsu Takahashi
  • Patent number: 10031515
    Abstract: A production system in which a position of a robot relative to a machine tool can be measured and an operation position of the robot can be corrected based on the measurement result, by using a simple configuration. The robot has a vision device attached to a movable part such as a robot arm. The machine tool has a visual target arranged on an outer surface of the machine tool. An image of the visual target captured by a camera is processed by a robot controller or an image processor. Due to such image processing, the position of the robot relative to the machine tool can be measured. Further, the production system has a correcting part which corrects a position of a motion of the robot regarding supplying and ejecting a workpiece, based on the positional relationship between the robot and the machine tool.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: July 24, 2018
    Assignee: FANUC CORPORATION
    Inventors: Hiromitsu Takahashi, Hiroji Nishi
  • Patent number: 10022879
    Abstract: A robot controller configured to be able to mitigate the effect that an emergency stop may have on a robot is disclosed. The robot controller includes: a load detection unit which detects the load of a motor for driving each individual articulated axis of the robot; a speed detection unit which detects an axial speed at each individual articulated axis of the robot; a cause-of-stop identifying unit which, when an emergency stop of the robot occurs, identifies a cause of the occurrence of the emergency stop; and a recording unit which records the cause of the occurrence of the emergency stop by associating the cause with the axial speed or the load of the motor. The robot controller may further include a display unit which displays information representing the state of occurrence of the emergency stop of the robot.
    Type: Grant
    Filed: October 19, 2016
    Date of Patent: July 17, 2018
    Assignee: FANUC CORPORATION
    Inventors: Yanxue Liang, Yoshiharu Nagatsuka, Hiromitsu Takahashi
  • Publication number: 20180178323
    Abstract: A laser processing head emits a laser beam to a workpiece that moves during laser processing and includes: optical path changing members that reflect, toward the workpiece, the laser beam emitted from a laser beam output section; a driver that changes posture of each of the optical path changing members; a control unit that controls the driver; and a memory device that stores target path information indicating a target path of the laser processing, in which the control unit receives information relating to a relative position of the workpiece with respect to the laser processing head, and controls the driver on the basis of the received information relating to the relative position and the target path information to perform the laser processing along the target path.
    Type: Application
    Filed: December 15, 2017
    Publication date: June 28, 2018
    Inventors: Hiromitsu TAKAHASHI, Toshimichi AOKI
  • Publication number: 20180164793
    Abstract: A laser processing robot system including a laser irradiation device that carries out an irradiation point shifting operation, a robot that moves the laser irradiation device, a laser irradiation device controller that controls the irradiation point shifting operation, and a robot controller that controls the robot. When moving the laser irradiation device by the robot, the robot controller instructs the robot on a plurality of first interpolated positions at every first interpolation period, and outputs a command value associated with the irradiation point shifting operation to the laser irradiation device controller at every second interpolation period shorter than the first interpolation period.
    Type: Application
    Filed: December 6, 2017
    Publication date: June 14, 2018
    Applicant: FANUC CORPORATION
    Inventors: Hiromitsu Takahashi, Toshimichi Aoki, Masanobu Hatada
  • Publication number: 20180059657
    Abstract: A cell controller includes a first communication unit which receives a task program and signal setting information stored in each manufacturing machine from this manufacturing machine, a stop detection unit which refers to the task program and the signal setting information to detect whether a production facility has stopped operation, and a stop cause identification unit which analyzes the task program and the signal setting information to identify the manufacturing machine that has caused the operation stop of the production facility, and this cause. Such a cell controller can detect whether a production facility including manufacturing machines has stopped operation, and automatically identify the manufacturing machine that has caused this operation stop, and this cause.
    Type: Application
    Filed: August 23, 2017
    Publication date: March 1, 2018
    Inventors: Toshiaki KAMOI, Hiromitsu TAKAHASHI, Tomoyuki YAMAMOTO
  • Patent number: 9895806
    Abstract: A robot control device includes a correction amount calculation unit that calculates a correction amount for collecting a deviation of a tip position of a tool attached to a tip of a robot due to an external force applied to the tool and a correction profile generation unit that generates a correction profile indicating a relationship between the correction amount calculated by the correction amount calculation unit and time.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: February 20, 2018
    Assignee: FANUC CORPORATION
    Inventors: Kunihiko Harada, Hiromitsu Takahashi, Soichi Arita
  • Patent number: 9898815
    Abstract: A fault diagnostic device comprises an arithmetic processing device configured to judge a fault on the basis of an image captured by the camera. The arithmetic processing device includes an imaging command part configured to transmit a command for capturing the image of a diagnosis portion and a judgement part configured to judge whether or not the diagnosis portion has the fault. A storage part stores a reference image when the diagnosis portion is in a normal state. The imaging command part transmits an imaging command so as to capture the image of the diagnosis portion after changing a position and a posture of the robot. The judgement part compares the image of the diagnosis portion captured by the camera with the reference image and judges the fault in the diagnosis portion.
    Type: Grant
    Filed: February 7, 2017
    Date of Patent: February 20, 2018
    Assignee: FANUC CORPORATION
    Inventors: Tomoyuki Yamamoto, Hiromitsu Takahashi
  • Patent number: 9827681
    Abstract: A human cooperation robot system includes: an external force detecting unit that detects an external force acting on a robot; a retreat operation commanding unit that commands a retreat operation for causing the robot to be moved in a direction such that the external force is decreased when the external force detected by the external force detecting unit is greater than a first threshold value; and an external force variation monitoring unit that stops the retreat operation when a variation width of the external force at a predetermined time after the retreat operation is commanded by the retreat operation commanding unit is smaller than a second threshold value.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: November 28, 2017
    Assignee: FANUC CORPORATION
    Inventors: Yasuhiro Naitou, Soichi Arita, Hiromitsu Takahashi
  • Publication number: 20170312912
    Abstract: A robot control apparatus controls a robot having six drive axes and a drive axis as an additional axis. The control apparatus includes a display control part which controls a display of a display part. The display control part displays, on the display part, a first picture which displays an operation program including an operation statement and a second picture which displays a state of the drive axes included in the operation statement. The display control part displays the operation statement including a state of the additional axis without including a state of the six drive axes in the first picture.
    Type: Application
    Filed: April 26, 2017
    Publication date: November 2, 2017
    Inventors: Hiromitsu TAKAHASHI, Xianying WU
  • Publication number: 20170269582
    Abstract: A test system comprises a plurality of test devices which are connected to a plurality of machines and which perform a basic test, and a test management device which is connected to the plurality of test devices via a network. The test management device includes an additional test setting part which sets an additional test for determining a cause of an abnormality when determining that the machine has the abnormality. The test management device includes an adjustment part which sets the test device that performs the additional test. The adjustment part determines that the basic test planned to be performed by the test device that performs the additional test is performed by the other test device.
    Type: Application
    Filed: March 16, 2017
    Publication date: September 21, 2017
    Applicant: FANUC CORPORATION
    Inventors: Tomoyuki Yamamoto, Hiromitsu Takahashi
  • Patent number: 9764474
    Abstract: A robot system comprises an intrusion detector which detects that a person has entered into a monitoring area established around a robot, an installation table which supports the robot, a light emitting device which brightens a surface of the installation table, and a control device which receives a signal outputted by the intrusion detector and controls the light emitting device. The control device causes the light emitting device to emit light when it is detected that the person has entered into the monitoring area.
    Type: Grant
    Filed: January 22, 2016
    Date of Patent: September 19, 2017
    Assignee: FANUC CORPORATION
    Inventors: Tomoyuki Yamamoto, Takeaki Aramaki, Hiromitsu Takahashi
  • Publication number: 20170243339
    Abstract: A fault diagnostic device comprises an arithmetic processing device configured to judge a fault on the basis of an image captured by the camera. The arithmetic processing device includes an imaging command part configured to transmit a command for capturing the image of a diagnosis portion and a judgement part configured to judge whether or not the diagnosis portion has the fault. A storage part stores a reference image when the diagnosis portion is in a normal state. The imaging command part transmits an imaging command so as to capture the image of the diagnosis portion after changing a position and a posture of the robot. The judgement part compares the image of the diagnosis portion captured by the camera with the reference image and judges the fault in the diagnosis portion.
    Type: Application
    Filed: February 7, 2017
    Publication date: August 24, 2017
    Inventors: Tomoyuki YAMAMOTO, Hiromitsu TAKAHASHI
  • Patent number: 9737989
    Abstract: A human cooperation robot system includes: an external force detecting unit that detects an external force acting on a robot; a retreat operation commanding unit that commands a retreat operation for causing the robot to be moved in a direction such that the external force is decreased when the external force detected by the external force detecting unit is larger than a first threshold value; a position acquiring unit that a current position of the robot; and a retreat operation stopping unit that stops the retreat operation when the current position of the robot acquired by the position acquiring unit departs from a retreat area.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: August 22, 2017
    Assignee: FANUC CORPORATION
    Inventors: Yasuhiro Naitou, Soichi Arita, Hiromitsu Takahashi