Patents by Inventor Mitsuaki Nakanishi

Mitsuaki Nakanishi 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: 20230259523
    Abstract: A data collection device comprises circuitry configured to: store one or more collector programs, one or more analyzer programs, and a database accessor program; execute one or more programs selected from the one or more collector programs and the one or more analyzer programs to generate data having an array structure in which each record is identified by a position in a data arrangement; transfer data generated by execution of the selected one or more programs to the database accessor program as the registration data; and execute the database accessor program to convert the generated data from the array structure into a predetermined database format based on the data arrangement of the registration data and register the transferred data in a database.
    Type: Application
    Filed: April 25, 2023
    Publication date: August 17, 2023
    Inventors: Tsuyoshi WAKAMATSU, Mizuho KIMURA, Mitsuaki NAKANISHI
  • Patent number: 11493902
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, and outputs change information regarding the change when the change is determined as having been made to the setting data.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: November 8, 2022
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki Nakanishi
  • Patent number: 11487270
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, obtains change information regarding the change when the change is determined as having been made to the setting data, determines whether a predetermined event has occurred in the industrial machine, identifies, when the predetermined event is determined as having occurred, the change information such that the change information is related to the predetermined event, and outputs the change information that is identified.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: November 1, 2022
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki Nakanishi
  • Patent number: 11448700
    Abstract: An operation data collection system comprises circuitry configured to: acquire, from an industrial device, configuration information on a connection destination device connected to the industrial device; execute a setting for collecting operation data on the connection destination device based on the configuration information; and collect the operation data from the industrial device based on the setting.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: September 20, 2022
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Mitsuaki Nakanishi
  • Publication number: 20220291670
    Abstract: An information collection device comprising circuitry configured to: accumulate, in a database, a control signal of a local device having a motor, the local device being a part of a production system of one or more workpieces, the control signal including internal information of the local device generated during operation of a plurality of processes; extract a signal set accumulated during one process of the plurality of processes from the control signal accumulated in the database based on a predetermined extraction condition; and generate an evaluation result of the one process based on the signal set.
    Type: Application
    Filed: May 25, 2022
    Publication date: September 15, 2022
    Inventors: Tsuyoshi WAKAMATSU, Tomoyuki NAKAMURA, Mitsuaki NAKANISHI
  • Patent number: 11077552
    Abstract: A control system for an actuator includes a non-transitory computer readable medium storing a database in which first information, second information and third information are stored and correlated with each other, and processing circuitry that performs machine learning based on the first information, the second information and the third information stored in the database. The first information is associated with a rotational speed of a reducer in the actuator, the second information is associated with a torque acting on the reducer, the third information indicates a concentration of iron powder in grease in the reducer, and the machine learning builds a concentration estimation model indicating a relationship between the first information, the second information and the third information.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: August 3, 2021
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Mitsuaki Nakanishi, Tsuyoshi Wakamatsu, Yutaro Uchida
  • Publication number: 20200241501
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, and outputs change information regarding the change when the change is determined as having been made to the setting data.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki NAKANISHI
  • Publication number: 20200241503
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, obtains change information regarding the change when the change is determined as having been made to the setting data, determines whether a predetermined event has occurred in the industrial machine, identifies, when the predetermined event is determined as having occurred, the change information such that the change information is related to the predetermined event, and outputs the change information that is identified.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki NAKANISHI
  • Publication number: 20200241502
    Abstract: An industrial machine management system includes circuitry that collects changeable setting data of an industrial machine, determines, based on the setting data at each time point of multiple time points, whether a change has been made to the setting data, obtains pre-change information when the change is determined as having been made to the setting data, the pre-change information regarding a pre-change state of the industrial machine as of a first time prior to the change having been made to the setting data, obtains post-change information when the change is determined as having been made to the setting data, the post-change information regarding a post-change state of the industrial machine as of a second time after the change has been made to the setting data, and based on the pre-change information and the post-change information, outputs influence information regarding an influence of the change.
    Type: Application
    Filed: January 27, 2020
    Publication date: July 30, 2020
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki NAKANISHI
  • Publication number: 20200088794
    Abstract: An operation data collection system comprises circuitry configured to: acquire, from an industrial device, configuration information on a connection destination device connected to the industrial device; execute a setting for collecting operation data on the connection destination device based on the configuration information; and collect the operation data from the industrial device based on the setting.
    Type: Application
    Filed: September 13, 2019
    Publication date: March 19, 2020
    Inventor: Mitsuaki NAKANISHI
  • Publication number: 20190160665
    Abstract: A control system for an actuator includes a non-transitory computer readable medium storing a database in which first information, second information and third information are stored and correlated with each other, and processing circuitry that performs machine learning based on the first information, the second information and the third information stored in the database. The first information is associated with a rotational speed of a reducer in the actuator, the second information is associated with a torque acting on the reducer, the third information indicates a concentration of iron powder in grease in the reducer, and the machine learning builds a concentration estimation model indicating a relationship between the first information, the second information and the third information.
    Type: Application
    Filed: November 27, 2018
    Publication date: May 30, 2019
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Mitsuaki NAKANISHI, Tsuyoshi WAKAMATSU, Yutaro UCHIDA
  • Patent number: 9321177
    Abstract: The invention provides a method and a device capable of precisely and simply extracting data used for abnormality determination and life diagnosis of a drive system of an industrial robot while executing a normal action program. Regarding a torque signal Tf outputted from a motor driver for controlling a motor in accordance with a position command Xs generated based on an operation program of a robot to the motor, a highpass filter is applied after gravity compensating torque and interference torque due to other shafts of the robot are removed from the torque signal Tf, and an abnormality in a reducer is determined based on an extracted oscillating component of the reducer.
    Type: Grant
    Filed: September 15, 2011
    Date of Patent: April 26, 2016
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Koichiro Ikeda, Mitsuaki Nakanishi
  • Patent number: 8948915
    Abstract: A parallel link robot includes a base, three servo motors disposed in the base, three arms, and a robot controller. Each of the three arms includes a first link and a second link that respectively include a first joint and a second joint. Each of the three arms is driven by a corresponding one of the three servo motors. The robot controller determines whether or not any of the first and second joints of the arms is dislocated on the basis of the torques of the three servo motors.
    Type: Grant
    Filed: September 3, 2012
    Date of Patent: February 3, 2015
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventor: Mitsuaki Nakanishi
  • Patent number: 8423189
    Abstract: A robot system includes a robot arm driven by a motor, a collision detector that detects a collision between the robot arm and an obstacle, which is provided on the robot arm, and a stopping method selector that controls the robot arm by selecting any one of all stopping methods on the basis of the information obtained by the collision detector, thereby selecting a stopping method in accordance with the status of the collision.
    Type: Grant
    Filed: August 10, 2009
    Date of Patent: April 16, 2013
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Mitsuaki Nakanishi, Makoto Wada
  • Publication number: 20130060381
    Abstract: A parallel link robot includes a base, three servo motors disposed in the base, three arms, and a robot controller. Each of the three arms includes a first link and a second link that respectively include a first joint and a second joint. Each of the three arms is driven by a corresponding one of the three servo motors. The robot controller determines whether or not any of the first and second joints of the arms is dislocated on the basis of the torques of the three servo motors.
    Type: Application
    Filed: September 3, 2012
    Publication date: March 7, 2013
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventor: Mitsuaki NAKANISHI
  • Patent number: 8316735
    Abstract: An industrial robot includes a hollow chamber rotatably supported by a base, an arm rotatably supported by the hollow chamber, and drive devices provided in the hollow chamber and configured to drive the arm.
    Type: Grant
    Filed: March 7, 2010
    Date of Patent: November 27, 2012
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Kazuyoshi Nogami, Mitsuaki Nakanishi, Keita Ogoh, Tomohiro Matsuo
  • Publication number: 20120065781
    Abstract: The invention provides a method and a device capable of precisely and simply extracting data used for abnormality determination and life diagnosis of a drive system of an industrial robot while executing a normal action program. Regarding a torque signal Tf outputted from a motor driver for controlling a motor in accordance with a position command Xs generated based on an operation program of a robot to the motor, a highpass filter is applied after gravity compensating torque and interference torque due to other shafts of the robot are removed from the torque signal Tf, and an abnormality in a reducer is determined based on an extracted oscillating component of the reducer.
    Type: Application
    Filed: September 15, 2011
    Publication date: March 15, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Koichiro IKEDA, Mitsuaki Nakanishi
  • Publication number: 20120000891
    Abstract: For teaching a welding-point position for a robot, processing of a robot system includes first processing for moving a spot welding gun to a position at which movable and fixed electrodes pinch the welding point; second processing for extending the movable electrode toward a member to be welded by driving of a motor, detecting contact between the movable electrode and the member based on a torque command to the motor, and stopping the movable electrode after the contact is detected; and third processing for operating the robot toward the movable electrode to move the fixed electrode toward the member while maintaining the contact between the movable electrode and the member by the driving of the motor, detecting contact between the fixed electrode and the member based on a disturbance torque acting on a joint of the robot, and stopping the operation of the robot after the contact is detected.
    Type: Application
    Filed: June 29, 2011
    Publication date: January 5, 2012
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Mitsuaki NAKANISHI, Makoto Wada
  • Publication number: 20100229670
    Abstract: An industrial robot includes a hollow chamber rotatably supported by a base, an arm rotatably supported by the hollow chamber, and drive devices provided in the hollow chamber and configured to drive the arm.
    Type: Application
    Filed: March 7, 2010
    Publication date: September 16, 2010
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Kazuyoshi Nogami, Mitsuaki Nakanishi, Keita Ogoh, Tomohiro Matsuo
  • Publication number: 20100145515
    Abstract: A robot system includes a robot arm driven by a motor, a collision detector that detects a collision between the robot arm and an obstacle, which is provided on the robot arm, and a stopping method selector that controls the robot arm by selecting any one of all stopping methods on the basis of the information obtained by the collision detector, thereby selecting a stopping method in accordance with the status of the collision.
    Type: Application
    Filed: August 10, 2009
    Publication date: June 10, 2010
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Mitsuaki NAKANISHI, Makoto WADA