Patents by Inventor Katsuhiko Abe

Katsuhiko Abe 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: 11591925
    Abstract: An acquisition unit is configured to acquire measurement values of a target device. The measurement values that are acquired include at least a temperature and a flow rate of an input fluid to be input to the target device, and a temperature and a flow rate of an output fluid to be output from the target device. A correction unit is configured to obtain a correction measurement value by which the measurement values are corrected through thermal equilibrium calculations based on the measurement values. A distance calculation unit is configured to calculate a Mahalanobis distance with a factor of the correction measurement value.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: February 28, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ichiro Nagano, Kuniaki Aoyama, Mayumi Saito, Shintaro Kumano, Katsuhiko Abe, Toru Tanaka, Takahiro Yamauchi
  • Patent number: 11566983
    Abstract: A state quantity acquisition unit acquires a state quantity of a target apparatus including a temperature of the target apparatus. A load specification unit specifies a load history of the target apparatus, based on the state quantity. A remaining life calculation unit calculates a parameter related to a remaining life of the target apparatus for each of a plurality of degradation types, based on the load history specified by the load specification unit.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: January 31, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kuniaki Aoyama, Hideaki Kaneko, Masumi Nomura, Yasuoki Tomita, Katsuhiko Abe
  • Patent number: 11525412
    Abstract: An operation management device includes a state acquiring unit that acquires a measurement value of a first state amount indicating an operation state of a power generation plant, a state updating unit that updates an estimation value of a second state amount, which indicates the operation state of the power generation plant and is a state amount different from the first state amount, based on the measurement value of the first state amount, and a managing unit that manages the operation state of the power generation plant based on the estimation value of the second state amount.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: December 13, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Keisuke Yamamoto, Shintaro Kumano, Makoto Kishi, Katsuhiko Abe
  • Publication number: 20220366012
    Abstract: In an information processing device according to the present invention, an estimation unit is configured to estimate each of a plurality of estimation values related to a target state quantity by using a plurality of models for explaining a target device. A probability specification unit is configured to specify each of a plurality of probabilities corresponding to the plurality of estimation values on the basis of a probability distribution of values of state quantities related to the target state quantity. A management value specification unit is configured to specify a value to be used for management of the target device on the basis of the plurality of estimation values and the plurality of probabilities.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Patent number: 11500369
    Abstract: An operation/maintenance management method of an integrated system including a plurality of components or devices includes selecting an index and a period for evaluating the integrated system, acquiring prediction information for input information for use in computation of the index, creating a future prediction scenario by combining the input information, computing an evaluation index related to the scenario, and comparing and displaying evaluation index computation results related to a plurality of scenarios.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: November 15, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Satoru Funahashi, Shintaro Kumano, Katsuhiko Abe, Keisuke Yamamoto, Makoto Kishi, Yukihiko Inoue, Shun Niizuma
  • Patent number: 11461727
    Abstract: A plant evaluation system is configured to calculate performance of a plant while receiving setting of operating conditions of the plant and devices installed in the plant and simulating a secular change occurring in the plant during an evaluation target period included in the operating conditions. At least one of the devices is added, a selection of a component improving performance of a certain device is received, and an improvement of the performance of the device by the component is expected and the performance of the plant is calculated.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: October 4, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naoki Suzuki, Shintaro Kumano, Katsuhiko Abe, Keisuke Yamamoto, Makoto Kishi, Yukihiko Inoue, Shun Niizuma
  • Patent number: 11442443
    Abstract: An acquisition unit is configured to acquire measurement values of a target device. A likelihood calculation unit is configured to calculate an occurrence likelihood for each of a plurality of phenomena that are liable to occur to the target device based on the measurement values acquired by the acquisition unit. A table storage unit is configured to store a table in which the plurality of phenomena and occurrence causes of abnormalities of the target device are associated to each other. As estimation unit is configured to estimate the occurrence causes based on the occurrence likelihood and the table.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: September 13, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Ichiro Nagano, Kuniaki Aoyama, Mayumi Saito, Shintaro Kumano, Katsuhiko Abe, Toru Tanaka, Takahiro Yamauchi
  • Patent number: 11429693
    Abstract: In an information processing device according to the present invention, an estimation unit is configured to estimate each of a plurality of estimation values related to a target state quantity by using a plurality of models for explaining a target device. A probability specification unit is configured to specify each of a plurality of probabilities corresponding to the plurality of estimation values on the basis of a probability distribution of values of state quantities related to the target state quantity. A management value specification unit is configured to specify a value to be used for management of the target device on the basis of the plurality of estimation values and the plurality of probabilities.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: August 30, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Patent number: 11378943
    Abstract: In an information processing device according to the present invention, a statistics estimation unit estimates a value of a state quantity by using a statistical model constructed based on values of past state quantities of a target device. A physical estimation unit estimates a value of a state quantity by using a physical model constructed based on design data of the target device. A specification unit specifies a value to be used to manage the target device from the value estimated by the statistics estimation unit and the value estimated by the physical estimation unit based on deterioration of the target device with time.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: July 5, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Patent number: 11237547
    Abstract: In an information processing device according to the present invention, an acquisition unit is configured to acquire a plurality of values related to a state quantity of a target device. An extraction unit is configured to extract a state value group constituted by a plurality of values related to an identical state quantity from the acquired plurality of values. A specification unit is configured to specify a value to be used to manage the target device from the state value group based on reliabilities of the values included in the state value group.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: February 1, 2022
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., MITSUBISHI POWER, LTD.
    Inventors: Shintaro Kumano, Makoto Kishi, Katsuhiko Abe, Keisuke Yamamoto
  • Patent number: 11209811
    Abstract: A diagnostic device includes a storage unit that stores first information including a first abnormal event which occurred in the past in a plant, a first attribution event that is a cause of the first abnormal event, and a first occurrence probability of the first attribution event, in which a causal relationship between the first abnormal and attribution events is indicated by a tree structure, and second information including a second abnormal event which is supposed to occur in the plant but has not yet occurred, a second attribution event that is a cause of the second abnormal event, and a second occurrence probability of the second attribution event, in which a causal relationship between the second abnormal and attribution events is indicated by a tree structure; and an estimation unit that estimates the cause of the sign of the abnormality, based on the first and second information.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: December 28, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Masato Shida, Yukihiko Inoue, Kuniaki Aoyama, Ichiro Nagano, Shun Niizuma, Tomohiro Baba, Akihisa Endo, Takahiro Yamauchi, Tsuyoshi Kinoshita, Shinsaku Endo, Yasuoki Tomita, Katsuhiko Abe
  • Patent number: 11048245
    Abstract: An indicator detection system includes: a data acquiring unit configured to acquire operation data of a machine and operation history data indicating an operation history of the machine; an estimation unit configured to calculate a first estimated value of a parameter of the machine which is to be monitored on the basis of the operation data, the operation history data and an estimation model for estimating a value of the parameter at a time point corresponding to the operation history data for the parameter; and a state evaluating unit configured to evaluate a state of the machine on the basis of a difference between the first estimated value of the parameter from the estimation unit and a measured value or a second estimated value of the parameter included in the operation data acquired by the data acquiring unit.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: June 29, 2021
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., MITSUBISHI POWER, LTD.
    Inventors: Makoto Kishi, Shintaro Kumano, Katsuhiko Abe, Keisuke Yamamoto, Yukihiko Inoue, Shun Niizuma
  • Publication number: 20210178933
    Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.
    Type: Application
    Filed: February 8, 2021
    Publication date: June 17, 2021
    Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
  • Patent number: 10990070
    Abstract: A state quantity acquiring unit is configured to acquire a state quantity of a turbine. A time calculation unit is configured to calculate an operable time at an over firing operation of the turbine based on a design life of the turbine and a state quantity. A distance calculation unit configured to calculate a Mahalanobis distance based on the state quantity. A determination unit configured to determine whether or not the over firing operation of the turbine is possible by the Mahalanobis distance and the operable time.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: April 27, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Yasuoki Tomita, Katsuhiko Abe, Shintaro Kumano, Motoshi Takasu, Etsushi Kanno, Takahiro Kawaguchi, Takayoshi Isoda, Yuki Enomoto, Nobuhiro Osaki, Kazuyuki Misawa, Akihisa Endo, Masao Ogino
  • Patent number: 10993002
    Abstract: An acquisition unit is configured to acquire a measurement value of a first state quantity of a target device. A model determination unit is configured to determine a model for estimating a value of a second state quantity of the target device for each evaluation item for management of the target device. An estimation unit is configured to estimate the value of the second state quantity on the basis of the measurement value using the model determined by the model determination unit. A management unit calculates a value of the evaluation item using the value estimated by the estimation unit.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: April 27, 2021
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., MITSUBISHI POWER, LTD.
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Publication number: 20210108999
    Abstract: A state quantity acquisition unit acquires a state quantity of a target apparatus including a temperature of the target apparatus. A load specification unit specifies a load history of the target apparatus, based on the state quantity. A remaining life calculation unit calculates a parameter related to a remaining life of the target apparatus for each of a plurality of degradation types, based on the load history specified by the load specification unit.
    Type: Application
    Filed: November 28, 2017
    Publication date: April 15, 2021
    Inventors: Kuniaki AOYAMA, Hideaki KANEKO, Masumi NOMURA, Yasuoki TOMITA, Katsuhiko ABE
  • Publication number: 20210109511
    Abstract: In an information processing device according to the present invention, a statistics estimation unit estimates a value of a state quantity by using a statistical model constructed based on values of past state quantities of a target device. A physical estimation unit estimates a value of a state quantity by using a physical model constructed based on design data of the target device. A specification unit specifies a value to be used to manage the target device from the value estimated by the statistics estimation unit and the value estimated by the physical estimation unit based on deterioration of the target device with time.
    Type: Application
    Filed: March 26, 2018
    Publication date: April 15, 2021
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., Mitsubishi Hitachi Power Systems, Ltd.
    Inventors: Shintaro Kumano, Makoto Kishi, Keisuke Yamamoto, Katsuhiko Abe
  • Patent number: 10974619
    Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: April 13, 2021
    Assignee: TS TECH CO., LTD.
    Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
  • Patent number: 10940772
    Abstract: A vehicle seat comprises a frame member provided on a floor of a vehicle, a seat part such as a seat cushion detachably attached to the frame member, a mechanical connector device provided on the frame member and the seat part for detachably attaching the seat part to the frame member; and an electric connector device provided on the frame member and the seat part for electrically connecting an electric component provided on the seat part to an electric component provided on the frame member.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: March 9, 2021
    Assignee: TS TECH CO., LTD.
    Inventors: Hiroyuki Kaku, Hiroyuki Numajiri, Hitomi Kobayashi, Takako Miyoshi, Satoshi Fujita, Katsuhiko Abe, Hajime Yoshida, Takahiro Mitsui, Tomoyuki Kurimoto
  • Publication number: 20200278671
    Abstract: An operation/maintenance management method of an integrated system including a plurality of components or devices includes selecting an index and a period for evaluating the integrated system, acquiring prediction information for input information for use in computation of the index, creating a future prediction scenario by combining the input information, computing an evaluation index related to the scenario, and comparing and displaying evaluation index computation results related to a plurality of scenarios.
    Type: Application
    Filed: March 22, 2018
    Publication date: September 3, 2020
    Inventors: Satoru FUNAHASHI, Shintaro KUMANO, Katsuhiko ABE, Keisuke YAMAMOTO, Makoto KISHI, Yukihiko INOUE, Shun NIIZUMA