Patents by Inventor Tadashi Okubo

Tadashi Okubo 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: 20230140482
    Abstract: An abnormality information estimation system includes processing circuitry that identifies, based on operation data related to an operation of an industrial device that controls a mechanism, multiple unit phenomena due to the operation, and estimates abnormality information about an abnormality occurring in the mechanism based on the multiple of unit phenomena.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 4, 2023
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Ayaka HASHIMOTO, Tadashi OKUBO, Takashi KITAZAWA, Tsuyoshi YOKOYA
  • Publication number: 20230110855
    Abstract: A motor control system includes host control circuitry configured to generate a first control command; a plurality of motor control apparatuses configured to control a plurality of motors, respectively, based on the first control command; and reference information output circuitry configured to output reference information to one of the plurality of motor control apparatuses which is configured to control one of the plurality of motors. The reference information relates to control of the plurality of motors. Each of the plurality of motor control apparatuses corresponds to a corresponding motor among the plurality of motors and includes information sharing circuitry configured to share the reference information among the plurality of motor control apparatuses via data communication; command conversion circuitry configured to convert the reference information into a second control command; and motor control circuitry configured to control the corresponding motor based on the second control command.
    Type: Application
    Filed: September 7, 2022
    Publication date: April 13, 2023
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Toshinobu KIRA, Tadashi OKUBO, Isamu MATSUMURA, Ryo OTA, Yu KATONO
  • Publication number: 20230106184
    Abstract: An abnormality determination system includes first data acquisition circuitry configured to acquire time-series data relating to an operation of a device, sample data creation circuitry configured to create sample data based on abnormality time-series data which the first data acquisition circuitry acquires while an abnormality occurs in the operation of the device, and first abnormality determination circuitry configured to determine the abnormality in the operation of the device based on the time-series data and the sample data.
    Type: Application
    Filed: August 29, 2022
    Publication date: April 6, 2023
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Tadashi OKUBO, Toshinobu KIRA, Junya HISAMATSU, Minoru KOGA
  • Publication number: 20230038090
    Abstract: A linear transport system includes a stator having a track and coils provided along the track, carriers with a magnet and movable along the track, scales provided on the carriers, sensors provided along the track at respective intervals and configured to detect the carriers to obtain scale positions of the scales, a parameter memory configured to memorize first cumulative values each corresponding to a corresponding sensor, and position calculation circuitry. Each of the first cumulative values is obtained by accumulating, from a reference position to the corresponding sensor, error correction values based on which errors between the respective intervals and measured values of the respective intervals are corrected. The position calculation circuitry is configured to calculate a position of a detected carrier based on detection data of a detecting sensor that has detected the detected carrier and based on the first cumulative value corresponding to the detecting sensor.
    Type: Application
    Filed: June 30, 2022
    Publication date: February 9, 2023
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Tadashi OKUBO, Yoshiyuki EBIHARA, Josuke NAGAI
  • Patent number: 11527984
    Abstract: An abnormality determination system includes a state quantity obtaining circuit and an abnormality determination circuit. The state quantity obtaining circuit is configured to obtain a state quantity associated with a mechanical system. The abnormality determination circuit is configured to, according to a learning content obtained in a machine learning process and based on the state quantity, determine as to at least one of an occurrence of an abnormality in the mechanical system, an occurrence position of the abnormality, and a cause of the abnormality.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: December 13, 2022
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi Nagata, Takaaki Shogaki, Yasufumi Yoshiura, Tadashi Okubo, Toshinobu Kira
  • Patent number: 11397414
    Abstract: A mechanical equipment control system includes a mechanical apparatus, a load ratio detection circuit, and an integration control circuit. The mechanical apparatus includes a motor which is configured to drive the mechanical apparatus. The load ratio detection circuit is configured to detect a load ratio of the motor. The integration control circuit is configured to control the mechanical apparatus based on an operation parameter while keeping the load ratio in an allowable load state.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: July 26, 2022
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi Nagata, Takaaki Shogaki, Yasufumi Yoshiura, Tadashi Okubo, Kei Katsuyama
  • Patent number: 11226607
    Abstract: An abnormality determination system includes motor control circuitry that controls a motor of a motor-driven machine based on a motor control command, and compares operation data of the motor obtained in controlling the motor with reference data stored in a storage to determine whether the motor driven machine has an operation abnormality, upper-level control circuitry that transmits the motor control command to the motor control circuitry, and data transceiver circuitry that transmits and receives the reference data and the operation data to and from the motor control circuitry.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: January 18, 2022
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takaaki Shogaki, Takeshi Nagata, Tadashi Okubo, Naoki Mizuno, Atsunobu Sakata
  • Patent number: 11200520
    Abstract: Provided is an industrial equipment production system, including: a production propriety acquisition unit configured to acquire a determination result indicating whether or not industrial equipment is producible by using setting information regarding the industrial equipment based on equipment information regarding the industrial equipment; a supply propriety acquisition unit configured to acquire, based on user information regarding a user, a determination result indicating whether or not the industrial equipment produced by using the setting information is suppliable to the user; and a permission unit configured to permit the production of the industrial equipment that uses the setting information based on the determination result acquired by the production propriety acquisition unit and the determination result acquired by the supply propriety acquisition unit.
    Type: Grant
    Filed: November 24, 2016
    Date of Patent: December 14, 2021
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi Nagata, Tadashi Okubo, Yusuke Oka, Jiro Muraoka
  • Publication number: 20200287497
    Abstract: An abnormality determination system includes a state quantity obtaining circuit and an abnormality determination circuit. The state quantity obtaining circuit is configured to obtain a state quantity associated with a mechanical system. The abnormality determination circuit is configured to, according to a learning content obtained in a machine learning process and based on the state quantity, determine as to at least one of an occurrence of an abnormality in the mechanical system, an occurrence position of the abnormality, and a cause of the abnormality.
    Type: Application
    Filed: May 21, 2020
    Publication date: September 10, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi NAGATA, Takaaki SHOGAKI, Yasufumi YOSHIURA, Tadashi OKUBO, Toshinobu KIRA
  • Patent number: 10771000
    Abstract: A motor control system includes a motor, a motor control apparatus that drives the motor and includes a first communication port and a second communication port, an upper-level control apparatus connected to the first communication port via a first communication path, an interface connected to the second communication port via a second communication path, and one or more detectors that detect information for controlling the motor and are connected to or including the interface. The motor control apparatus includes processing circuitry that obtains the information detected by the detector and exchanged between the upper-level control apparatus and the interface, and controls the motor based on the obtained information.
    Type: Grant
    Filed: October 10, 2017
    Date of Patent: September 8, 2020
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Tadashi Okubo, Yusuke Oka, Atsunobu Sakata, Hiroyuki Murakami, Daichi Horimai
  • Publication number: 20200278647
    Abstract: A mechanical equipment control system includes a mechanical apparatus, a load ratio detection circuit, and an integration control circuit. The mechanical apparatus includes a motor which is configured to drive the mechanical apparatus. The load ratio detection circuit is configured to detect a load ratio of the motor. The integration control circuit is configured to control the mechanical apparatus based on an operation parameter while keeping the load ratio in an allowable load state.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 3, 2020
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takeshi NAGATA, Takaaki SHOGAKI, Yasufumi YOSHIURA, Tadashi OKUBO, Kei KATSUYAMA
  • Patent number: 10734926
    Abstract: A multi-axis motor control system includes a host control apparatus, motors, motor control apparatuses that drives the motors and each includes circuitry that acquires control related information transmitted and received between the host control apparatus and at least one other motor control apparatus, and controls a corresponding motor of the motors based on the control related information, and a communication channel that connects the host control apparatus and the motor control apparatuses in series.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: August 4, 2020
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Yusuke Oka, Hiroki Inoue, Tadashi Okubo
  • Patent number: 10664263
    Abstract: A software management system includes a control system connected to a first network and including at least one of control circuitry and a sensor, each controllable by updating first control software in the respective at least one of the control circuitry and sensor, a software distribution device including first circuitry that stores second control software and transmits the second software through a second network, and a software update device including second circuitry that, while the software device is connected to the second network, receives the second software from the distribution device and stores the second software, and while the update device is connected to the first network, transmits the second software to the respective at least one of the control circuitry and sensor to cause the respective at least one of the control circuitry and sensor to update the first software using the second software.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: May 26, 2020
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takaaki Shogaki, Atsunobu Sakata, Tadashi Okubo, Dai Fukuda, Toshinobu Kira, Amane Ando
  • Patent number: 10599136
    Abstract: A motor controller includes memory, and processing circuitry that controls a motor based on a position command and based on a position detection value corresponding to a detected position of the motor, calculates a tolerance position error in a successive manner based on the position command and based on a control parameter used to control the motor, calculates a position error maximum threshold that depends on the tolerance position error, detects an abnormality based on the position error maximum threshold, and triggers an indication when the abnormality is detected.
    Type: Grant
    Filed: July 28, 2017
    Date of Patent: March 24, 2020
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Yusuke Oka, Tadashi Okubo, Katsumi Ouchida
  • Publication number: 20190265686
    Abstract: A product quality management system includes a production facility that produces a product having a target resulting parameter, estimation circuitry that estimates an active parameter for controlling the production facility in producing the product under a predetermined passive parameter condition, and control circuitry that controls the production facility based on the active parameter estimated by the estimation circuitry.
    Type: Application
    Filed: October 4, 2018
    Publication date: August 29, 2019
    Applicant: Kabushiki Kaisha Yaskawa Denki
    Inventors: Shinichiro OBATA, Hidemitsu JIN, Tadashi OKUBO, Takeshi NAGATA
  • Publication number: 20190129372
    Abstract: An abnormality determination system includes motor control circuitry that controls a motor of a motor-driven machine based on a motor control command, and compares operation data of the motor obtained in controlling the motor with reference data stored in a storage to determine whether the motor driven machine has an operation abnormality, upper-level control circuitry that transmits the motor control command to the motor control circuitry, and data transceiver circuitry that transmits and receives the reference data and the operation data to and from the motor control circuitry.
    Type: Application
    Filed: April 9, 2018
    Publication date: May 2, 2019
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takaaki SHOGAKI, Takeshi Nagata, Tadashi Okubo, Naoki Mizuno, Atsunobu Sakata
  • Publication number: 20190102160
    Abstract: A software management system includes a control system connected to a first network and including at least one of control circuitry and a sensor, each controllable by updating first control software in the respective at least one of the control circuitry and sensor, a software distribution device including first circuitry that stores second control software and transmits the second software through a second network, and a software update device including second circuitry that, while the software device is connected to the second network, receives the second software from the distribution device and stores the second software, and while the update device is connected to the first network, transmits the second software to the respective at least one of the control circuitry and sensor to cause the respective at least one of the control circuitry and sensor to update the first software using the second software.
    Type: Application
    Filed: April 25, 2018
    Publication date: April 4, 2019
    Applicant: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Takaaki Shogaki, Atsunobu Sakata, Tadashi Okubo, Dai Fukuda, Toshinobu Kira, Amane Ando
  • Patent number: 10168675
    Abstract: An industrial machine management system includes a maintenance-use portable terminal and a cloud server. The maintenance-use portable terminal includes a data communication unit for transmitting management information for a user, which is set in accordance with an input from the user in regard to an industrial machine to be managed. The cloud server includes a data communication unit for receiving the management information for the user transmitted by the data communication unit, and a machine information storage for storing the management information for the user received by the data communication unit in association with individual identification information on the industrial machine to be managed.
    Type: Grant
    Filed: October 29, 2014
    Date of Patent: January 1, 2019
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Ayaka Hashimoto, Tadashi Okubo, Jiro Muraoka
  • Patent number: 10120030
    Abstract: Provided is a trace data recording system, including: a trace data generator configured to generate trace data of equipment relating to motor control; a trace data transmitter configured to transmit the generated trace data to a server via a network; and a trace data recorder configured to record the transmitted trace data in the server.
    Type: Grant
    Filed: April 28, 2016
    Date of Patent: November 6, 2018
    Assignee: Kabushiki Kaisha Yaskawa Denki
    Inventors: Naoki Shiromoto, Toshinobu Kira, Tadashi Okubo, Ayaka Hashimoto
  • Patent number: 10122314
    Abstract: A motor control apparatus for controlling driving of a motor includes an inverter which supplies power to a motor having a position detector, and circuitry which controls power conversion of the inverter based on at one or more predetermined control parameters, determine a type of the motor based on a signal received from the position detector of the motor, and control notification of setting confirmation of one or more of the predetermined control parameters in accordance with the type of the motor.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: November 6, 2018
    Assignee: KABUSHIKI KAISHA YASKAWA DENKI
    Inventors: Yusuke Oka, Tadashi Okubo