Patents by Inventor Hirotsugu GOTOU

Hirotsugu GOTOU 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: 11763243
    Abstract: A plant operation support system supports an operation of a plant. The plant operation support system includes a fluctuation prediction device configured to predict a fluctuation of an element which is input to the plant, and a simulation device configured to simulate a behavior of the plant using a fluctuation of the element predicted by the fluctuation prediction device and data which is obtained from the plant.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: September 19, 2023
    Assignee: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Yuta Machida, Ryosuke Kashiwa, Hirotsugu Gotou, Tomoya Hoshino
  • Publication number: 20220317636
    Abstract: There is provided a learning processing apparatus comprising: a learning processing unit configured to generate a control model that outputs a manipulated variable corresponding to an indicated variable and a process variable of a predetermined system by means of machine learning; a generation unit configured to generate controlling data that indicates a correspondence relation of a combination of the indicated variable and the process variable to the manipulated variable corresponding to the combination by using the control model; and a supply unit configured to supply the controlling data to a predetermined control apparatus.
    Type: Application
    Filed: March 7, 2022
    Publication date: October 6, 2022
    Inventors: Liu ZHUO, Hiroaki KANOKOGI, Go TAKAMI, Yota FURUKAWA, Hirotsugu GOTOU
  • Publication number: 20220291671
    Abstract: Provided is a control apparatus comprising a control unit configured to control a control target by a control model machine-learned so as to output an operation amount of the control target according to a state of equipment provided with the control target; a simulation unit configured to simulate, by using a simulation model, the state of the equipment in a case where the operation amount, which is output by the control model, is given to the control target; and a stop unit configured to stop control of the control target by the control model, based on a simulation result.
    Type: Application
    Filed: February 20, 2022
    Publication date: September 15, 2022
    Inventors: Hirotsugu GOTOU, Hiroaki KANOKOGI, Yota FURUKAWA, Keiichiro KOBUCHI, Mizuo KAWAHARA
  • Publication number: 20220291643
    Abstract: Provided is a control apparatus, including a control unit, configured to control a control target by a machine learned control model to output an operation amount of the control target according to a state of equipment having the control target provided therein; a prediction unit, configured to predict a future state of the equipment; an adjusting unit, configured to adjust the operation amount based on a predicted result; and an output unit, configured to output an adjusted operation amount to the control target.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 15, 2022
    Inventors: Hirotsugu GOTOU, Hiroaki KANOKOGI, Yota FURUKAWA, Keiichiro KOBUCHI
  • Publication number: 20220284346
    Abstract: Provided is a learning apparatus comprising: a correspondence receiving unit for receiving a correspondence between each produced object of a target process and a quality evaluation of each downstream produced object produced by using each produced object of the target process; a learning processing unit for generating, through learning, an estimation model for estimating the quality evaluation of the downstream produced object, by using the at least one production parameter about the production of each produced object of the target process and the quality evaluation of each downstream produced object; a calculating unit for calculating a model evaluation based on at least one of certainty or complexity of the estimation model; and a model evaluation sending unit for sending the calculated model evaluation, to an evaluation apparatus for evaluating at least one upstream process by using a model evaluation about each of the at least one upstream process.
    Type: Application
    Filed: February 23, 2022
    Publication date: September 8, 2022
    Inventors: Hiroaki KANOKOGI, Hirotsugu GOTOU, Yota FURUKAWA, Yoshio UOMORI, Masato KATSUKI, Keiji SATO, Fumihiro SAITO, Eiji TAYA, Tomotaka MAKI, Akifumi INOMATA
  • Publication number: 20220284158
    Abstract: Provided is a determination apparatus comprising: a state data acquisition unit configured to acquire state data indicative of a state of equipment provided with a control target; an operation amount data acquisition unit configured to acquire operation amount data indicative of an operation amount of the control target; a control model generation unit configured to generate a control model, which outputs the operation amount corresponding to the state of the equipment, by machine learning by using the state data and the operation amount data; a simulation unit configured to simulate, by using a simulation model, the state of the equipment in a case where the operation amount, which is output by the control model, is given to the control target; and a determination unit configured to determine whether control of the control target by the control model is possible, based on a simulation result.
    Type: Application
    Filed: February 22, 2022
    Publication date: September 8, 2022
    Applicant: Yokogawa Electric Corporation
    Inventors: Hirotsugu GOTOU, Hiroaki KANOKOGI, Yota FURUKAWA, Keiichiro KOBUCHI, Mizuo KAWAHARA
  • Patent number: 11392737
    Abstract: In a detection apparatus that detects an anomaly of equipment, in a case where a plurality of types of anomalies occur, it is desired to detect which type of anomaly has occurred. Provided is a detection apparatus that includes a sensor data obtaining unit configured to obtain sensor data of a sensor installed in equipment, a model storage unit configured to store detection models that are individually trained for each anomaly using the sensor data in an anomaly period in which the anomaly has occurred, for a plurality of types of respective anomalies of the equipment, and a detection unit configured to detect presence or absence of the plurality of types of respective anomalies from the sensor data that has been newly obtained, by using the detection models corresponding to the plurality of types of respective anomalies.
    Type: Grant
    Filed: December 8, 2019
    Date of Patent: July 19, 2022
    Assignee: Yokogawa Electric Corporation
    Inventors: Hirotsugu Gotou, Kazutoshi Kodama
  • Patent number: 11244272
    Abstract: A patrol check system according to one aspect of the present invention includes at least one data collection device installed in a first position in an area in which facilities are installed, the data collection device being configured to collects measured values indicating a state of at least one facility installed in a first range around the first position, the facility belonging to a check target of the data collection device, the measured values being measured by a measurement device installed in the facility, and a patrol check device configured to acquire the measured values collected by the data collection device, and reflect the acquired measured values in a check result of a check record in which check items to be performed on the facility belonging to the check target of the data collection device are included.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 8, 2022
    Assignee: Yokogawa Electric Corporation
    Inventors: Hirotsugu Gotou, Masaki Ishii
  • Publication number: 20210333768
    Abstract: Provided is a control support apparatus, comprising: an equipment abnormality estimation section for estimating an abnormality of equipment based on measurement data by measuring the equipment; a simulation section for simulating a future state of the equipment when controlling the equipment by each of a plurality of candidate control methods according to an abnormality estimation result of the equipment; and a simulation abnormality estimation section for estimating a future abnormality of the equipment based on a future state of the equipment for each of the plurality of candidate control methods.
    Type: Application
    Filed: April 14, 2021
    Publication date: October 28, 2021
    Inventors: Hideki UMEMOTO, Hirotsugu GOTOU
  • Patent number: 11126150
    Abstract: An information processing device according to one aspect of the present invention includes a first acquirer configured to acquire measured data of a sensor, a second acquirer configured to acquire maintenance information related to maintenance performed on the sensor, a learner configured to learn teacher data in which the acquired maintenance information as label information is associated with the acquired measured data to generate a determination model, and a storage storing the generated determination model.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: September 21, 2021
    Assignee: Yokogawa Electric Corporation
    Inventors: Go Takami, Yuichi Nozaka, Hirotsugu Gotou, Moe Tokuoka
  • Patent number: 10841669
    Abstract: A battery management device according to one aspect of the present invention for managing a plurality of field devices of a battery-driven type, the plurality of field devices being associated with a facility disposed in a plant and being defined as belonging to a same group includes a battery manager that, in a case receiving battery life information representing approach to a battery life of an installed battery from a first field device that is one field device currently operating among the plurality of field devices, switches the operating field device to a second field device that is another field device belonging to the same group, an operation of the second field device being stopped.
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: November 17, 2020
    Assignee: Yokogawa Electric Corporation
    Inventors: Hirotsugu Gotou, Hiroaki Kanokogi
  • Publication number: 20200320448
    Abstract: A plant operation support system supports an operation of a plant. The plant operation support system includes a fluctuation prediction device configured to predict a fluctuation of an element which is input to the plant, and a simulation device configured to simulate a behavior of the plant using a fluctuation of the element predicted by the fluctuation prediction device and data which is obtained from the plant.
    Type: Application
    Filed: March 31, 2020
    Publication date: October 8, 2020
    Applicant: YOKOGAWA ELECTRIC CORPORATION
    Inventors: Yuta MACHIDA, Ryosuke KASHIWA, Hirotsugu GOTOU, Tomoya HOSHINO
  • Publication number: 20200193076
    Abstract: In a detection apparatus that detects an anomaly of equipment, in a case where a plurality of types of anomalies occur, it is desired to detect which type of anomaly has occurred. Provided is a detection apparatus that includes a sensor data obtaining unit configured to obtain sensor data of a sensor installed in equipment, a model storage unit configured to store detection models that are individually trained for each anomaly using the sensor data in an anomaly period in which the anomaly has occurred, for a plurality of types of respective anomalies of the equipment, and a detection unit configured to detect presence or absence of the plurality of types of respective anomalies from the sensor data that has been newly obtained, by using the detection models corresponding to the plurality of types of respective anomalies.
    Type: Application
    Filed: December 8, 2019
    Publication date: June 18, 2020
    Inventors: Hirotsugu GOTOU, Kazutoshi KODAMA
  • Publication number: 20190163165
    Abstract: To easily perform examination of at least one facility based on detection signals of a plurality of sensors installed in the facility. Provided are an examining apparatus, an examining method and a recording medium, including: a group designation acquiring unit to acquire designation of a targeted group including a plurality of targeted sensors to be analyzed among a plurality of sensors installed in at least one facility; a sensor data acquiring unit to acquire sensor data from each targeted sensor included in the targeted group; a learning unit to learn an analysis model by using the sensor data from each targeted sensor included in the targeted group; and an examining unit to examine the facility by using the learned analysis model.
    Type: Application
    Filed: November 14, 2018
    Publication date: May 30, 2019
    Inventors: Hirotsugu GOTOU, Kazutoshi KODAMA, Go TAKAMI
  • Publication number: 20180316988
    Abstract: A battery management device according to one aspect of the present invention for managing a plurality of field devices of a battery-driven type, the plurality of field devices being associated with a facility disposed in a plant and being defined as belonging to a same group includes a battery manager that, in a case receiving battery life information representing approach to a battery life of an installed battery from a first field device that is one field device currently operating among the plurality of field devices, switches the operating field device to a second field device that is another field device belonging to the same group, an operation of the second field device being stopped.
    Type: Application
    Filed: April 25, 2018
    Publication date: November 1, 2018
    Applicant: Yokogawa Electric Corporation
    Inventors: Hirotsugu GOTOU, Hiroaki KANOKOGI
  • Publication number: 20180136616
    Abstract: An information processing device according to one aspect of the present invention includes a first acquirer configured to acquire measured data of a sensor, a second acquirer configured to acquire maintenance information related to maintenance performed on the sensor, a learner configured to learn teacher data in which the acquired maintenance information as label information is associated with the acquired measured data to generate a determination model, and a storage storing the generated determination model.
    Type: Application
    Filed: November 9, 2017
    Publication date: May 17, 2018
    Applicant: Yokogawa Electric Corporation
    Inventors: Go TAKAMI, Yuichi NOZAKA, Hirotsugu GOTOU, Moe TOKUOKA
  • Publication number: 20180129193
    Abstract: A patrol check system according to one aspect of the present invention includes at least one data collection device installed in a first position in an area in which facilities are installed, the data collection device being configured to collects measured values indicating a state of at least one facility installed in a first range around the first position, the facility belonging to a check target of the data collection device, the measured values being measured by a measurement device installed in the facility, and a patrol check device configured to acquire the measured values collected by the data collection device, and reflect the acquired measured values in a check result of a check record in which check items to be performed on the facility belonging to the check target of the data collection device are included.
    Type: Application
    Filed: November 1, 2017
    Publication date: May 10, 2018
    Applicant: Yokogawa Electric Corporation
    Inventors: Hirotsugu GOTOU, Masaki ISHII
  • Publication number: 20170262788
    Abstract: A report creating system includes a report creating server comprising a data storage which stores a report format and image information, the report format being for describing report contents about a facility installed in a plant, the image information being determined uniquely to meaning of the report contents, at least one report creating device which is carriable by a worker, and a report creator configured to create a report in which the image information has been registered in the report format, the report creator being disposed in the report creating server or the report creating device.
    Type: Application
    Filed: March 6, 2017
    Publication date: September 14, 2017
    Applicant: Yokogawa Electric Corporation
    Inventors: Yoshio UOMORI, Hirotsugu GOTOU, Yosuke ISHII, Kenji OISHI
  • Publication number: 20160239697
    Abstract: A manager includes a storage that stores a registration information associated with an identification information and an information processing method, the identification information being assigned to each management target which is managed by the manager, the information processing method being for obtaining a state information indicating a state of the management target, an image obtainer configured to obtain an image, a reader configured to read the identification information included in an identifier in the image obtained by the image obtainer, and an information processor configured to obtain, from the storage, the information processing method which is associated with the identification information read by the reader, the information processor being configured to obtain the state information by using the information processing method obtained by the information processor.
    Type: Application
    Filed: February 8, 2016
    Publication date: August 18, 2016
    Applicant: Yokogawa Electric Corporation
    Inventors: Yuichi NOZAKA, Hirotsugu GOTOU, Yoshiyuki JINGUU, Go TAKAMI
  • Patent number: 9331849
    Abstract: An information setting method for a setting device includes the following processes. A first certificate and identification information are obtained from a wireless device to be caused to join a wireless network managed by a management device. The first certificate certifies that the wireless device is a formal wireless device and includes a first public key. The identification information is information that identifies the wireless device. A second certificate is obtained from the management device. The second certificate certifies that the management device is a formal management device and includes a second public key. Apparatus information required for the wireless device to join the wireless network is encoded using the first public key and is output to the wireless device. Management information including the apparatus information and the identification information associated with the apparatus information is encoded using the second public key and is output to the management device.
    Type: Grant
    Filed: April 21, 2014
    Date of Patent: May 3, 2016
    Assignee: Yokogawa Electric Corporation
    Inventors: Kazutoshi Kodama, Hirotsugu Gotou, Kazunori Miyazawa