Patents by Inventor Yusuke HAZUI
Yusuke HAZUI 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).
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Patent number: 11958143Abstract: A welding control device includes an actual position determination part configured to determine an actual position of the position control target on the basis of a weld characteristic amount detected from a captured image captured so as to include at least the position control target, the welding characteristic amount including at least one of a wire position of the weld wire or an electrode position of the electrode; a target position determination part configured to determine a target position being a target of the actual position corresponding to a weld condition for welding the weld target; and a position control part configured to execute a position control of the position control target to bring the actual position to the target position.Type: GrantFiled: March 25, 2019Date of Patent: April 16, 2024Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yusuke Hazui, Koki Tateishi, Naoki Suda, Kazuhiko Kamo, Masahiro Kimura, Yusuke Sano, Yasushi Nishijima
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Publication number: 20230166211Abstract: A state quantity prediction device includes: a first differential predictive value calculation unit configured to deal with a nonlinear component of a function whose variables are dynamic characteristics of the state quantity with respect to the input parameter and a difference value between a past predictive value of the state quantity and a predictive value of the physical model, input the input parameter and the past predictive value of the state quantity, and include a learned neutral network for outputting a first differential predictive value; a second differential predictive value calculation unit configured to deal with a linear component of the function, input the input parameter and the past predictive value, and output a second differential predictive value; and a state quantity predictive value calculation unit configured to calculate a predictive value of the state quantity.Type: ApplicationFiled: November 23, 2022Publication date: June 1, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yusuke Hazui, Mizuho Takeuchi, Shunsuke Takagaki, Koki Tateishi, Shinya Kanemori
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Patent number: 11642865Abstract: The corrugated cardboard sheet manufacturing system including a production state information acquisition device; a control value information acquisition device for acquiring control value information of a control element of a corrugated cardboard sheet manufacturing apparatus exerting an influence on the warp of a corrugated cardboard sheet; a warp information acquisition device for acquiring information of a warp amount of the corrugated cardboard sheet; a storage device for storing a performance data set including at least production state information, the control value information, and the warp information; a pre-control table storing a standard control value of the control element set in accordance with a production state; a correction table for correcting the standard control value to set an initial control value; an update device for updating the correction table by reflecting the performance data set; and control device for performing feedforward control of the control element using the initial controlType: GrantFiled: February 23, 2018Date of Patent: May 9, 2023Assignee: MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD.Inventors: Koki Tateishi, Akira Ogino, Yusuke Hazui, Hiroshi Ishibuchi, Takaharu Hiroe
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Patent number: 11466881Abstract: A control device for a refrigerator system for cooling a load by using a plurality of refrigerators, said control device comprising a unit to control the number of operating units that changes the number of operating refrigerators according to the load rate, and a cold water temperature acquisition unit that acquires, via a temperature sensor, the temperature of cold water affected by the refrigerators. After a prescribed standby time from when the number of operating refrigerators was changed has elapsed, the unit to control the number of operating units changes the number of operating units and reduces the prescribed standby time when at least one of the cold-water temperature and the rate of change in the cold-water temperature satisfies a prescribed condition.Type: GrantFiled: December 7, 2018Date of Patent: October 11, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Yusuke Hazui, Koki Tateishi, Satoshi Nikaido, Yutaka Takenaka
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Publication number: 20220187805Abstract: It is judged whether a first predicted value of an operation index obtained by inputting a scheduled change value of a manipulation parameter of a plant meets an operation criterion, and whether a second predicted value of the operation index obtained by inputting a virtual change value with a greater change amount from a current value than the scheduled change value to a prediction model meets the operation criterion. If it is judged that the first predicted value and the second predicted value meet the operation criterion, the scheduled change value is output as a command value of the manipulation parameter.Type: ApplicationFiled: March 24, 2020Publication date: June 16, 2022Inventors: Yusuke HAZUI, Masumi NOMURA, Shigeru ANO, Kenta WADA, Koshiro FUKUMOTO
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Patent number: 11346563Abstract: A superordinate controlling device for a heat source system (1) including a plurality of heat sources, the superordinate controlling device being applied to the heat source system (1) and controlling heat-pump type chillers (2a) and (2b) and absorption-type chillers (2c) and (2d) in such a manner that a heat transfer medium leaving temperature that is the temperature of a heat transfer medium supplied to an external load (6) is equal to a setting temperature. The heat-pump type chillers (2a) and (2b) each have a higher Coefficient of Performance (COP) than that of each of the absorption-type chillers (2c) and (2d).Type: GrantFiled: September 20, 2017Date of Patent: May 31, 2022Assignees: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., TOKYO ELECTRIC POWER COMPANY HOLDINGS, INCORPORATEDInventors: Satoshi Nikaido, Koki Tateishi, Yusuke Hazui, Yutaka Takenaka, Hirotaka Hanasaki, Satoru Tanaka
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Publication number: 20220152720Abstract: A welding control device configured to control a position control object which includes at least one of a welding wire used to weld a welding object or an electrode for melting the welding wire includes a first decision unit for deciding an actual position of the position control object based on a welding feature amount detected from an image which is shot to include at least the position control object, a second decision unit for deciding a target position which is a target of the actual position according to an input condition based on the input condition which includes at least one of attitude information of the electrode when the welding object is welded or shape information of the welding object, and a control unit for performing position control of the position control object so that the actual position becomes the target position.Type: ApplicationFiled: January 12, 2020Publication date: May 19, 2022Inventors: Yusuke HAZUI, Koki TATEISHI, Naoki SUDA, Kazuhiko KAMO, Masahiro KIMURA, Yusuke SANO, Yasushi NISHIJIMA
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Patent number: 11221166Abstract: Provided is a refrigerator system with which refrigerators can be operated efficiently. This refrigerator system has: an upstream refrigerator having a first compressor that compresses a refrigerant, a first condenser that condenses the refrigerant compressed by the first compressor, and a first evaporator that evaporates the refrigerant condensed by the first condenser and cools cold water; a downstream refrigerator having a second compressor that compresses a refrigerant, a second condenser that condenses the refrigerant compressed by the second compressor, and a second evaporator that evaporates the refrigerant condensed by the second condenser and cools the cold water that has passed through the first evaporator; and a higher-level control device that controls the operation of the upstream refrigerator and the downstream refrigerator. The first compressor is a variable-speed device, and the second compressor is a constant-speed device.Type: GrantFiled: April 21, 2016Date of Patent: January 11, 2022Assignee: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Yusuke Hazui, Toshiaki Ouchi, Minoru Matsuo, Satoshi Nikaido, Noriyasu Maehara
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Publication number: 20210287122Abstract: Provided is a prediction device that outputs a prediction value of process data in consideration of a prediction error of a prediction model. A prediction device includes a data collection unit that collects process data of a device; a prediction model construction unit that constructs a prediction model having a predetermined input variable of first process data as an input value and having a predetermined output variable as an output value, and an error calculation model which calculates a prediction error of the prediction model, based on the first process data collected by the data collection unit; and a prediction unit that outputs a prediction value which is corrected based on a prediction value of the output variable for second process data and a prediction error for the prediction value of the output variable, the prediction value being predicted based on the input variable of the second process data collected by the data collection unit, the prediction model, and the error calculation model.Type: ApplicationFiled: July 24, 2019Publication date: September 16, 2021Inventors: Masumi NOMURA, Yusuke HAZUI, Shigeru ANO, Kenta WADA, Koshiro FUKUMOTO
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Publication number: 20210133566Abstract: A decision-making device (2) comprising: an action selection unit (200) for selecting one of a plurality of actions that can be taken in a first state so that an environment performs the selected action; a state acquisition unit (201) for acquiring a second state indicating the state that follows the execution of the action; a reward acquisition unit (202) for acquiring a reward serving as an indicator for indicating whether or not the second state is desirable; and a storage processing unit (203) whereby experience data in which the first state, the action, the second state, and the reward are associated is stored in a storage unit (21) associated with the action, the storage unit (21) being one of a plurality of storage units.Type: ApplicationFiled: June 17, 2019Publication date: May 6, 2021Inventors: Yusuke HAZUI, Yasuo FUJISHIMA, Natsuki MATSUNAMI
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Publication number: 20210114131Abstract: A welding control device includes an actual position determination part configured to determine an actual position of the position control target on the basis of a weld characteristic amount detected from a captured image captured so as to include at least the position control target, the welding characteristic amount including at least one of a wire position of the weld wire or an electrode position of the electrode; a target position determination part configured to determine a target position being a target of the actual position corresponding to a weld condition for welding the weld target; and a position control part configured to execute a position control of the position control target to bring the actual position to the target position.Type: ApplicationFiled: March 25, 2019Publication date: April 22, 2021Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Yusuke Hazui, Koki Tateishi, Naoki Suda, Kazuhiko Kamo, Masahiro Kimura, Yusuke Sano, Yasushi Nishijima
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Patent number: 10969305Abstract: A planning device according to the present invention includes a remaining life specifying unit that specifies a remaining life of a component for a turbine. On the basis of the specified remaining life, a usage plan generating unit generates a usage plan that indicates the timing at which the component is to be incorporated into the turbine, such that the remaining life of the component becomes equal to or less than an allowable error value at a predetermined timing.Type: GrantFiled: October 25, 2016Date of Patent: April 6, 2021Assignee: MITSUBISHI POWER, LTD.Inventors: Toru Tanaka, Akihisa Endo, Yusuke Hazui, Masumi Nomura
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Publication number: 20210063037Abstract: A control device for a refrigerator system for cooling a load by using a plurality of refrigerators, said control device comprising a unit to control the number of operating units that changes the number of operating refrigerators according to the load rate, and a cold water temperature acquisition unit that acquires, via a temperature sensor, the temperature of cold water affected by the refrigerators. After a prescribed standby time from when the number of operating refrigerators was changed has elapsed, the unit to control the number of operating units changes the number of operating units and reduces the prescribed standby time when at least one of the cold-water temperature and the rate of change in the cold-water temperature satisfies a prescribed condition.Type: ApplicationFiled: December 7, 2018Publication date: March 4, 2021Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Yusuke HAZUI, Koki TATEISHI, Satoshi NIKAIDO, Yutaka TAKENAKA
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Patent number: 10883427Abstract: A turbine analysis device includes a state quantity acquiring unit configured to acquire a state quantity of a turbine, the state quantity including at least a temperature of the turbine. A load specifying unit is configured to calculate a history of a load of the turbine, based on the state quantity. A load and time calculating unit is configured to derive a relationship between the load of the turbine and an operable time when the turbine is operated at the load, based on a designed service life of the turbine and the history of the load that has been calculated by the load specifying unit.Type: GrantFiled: October 25, 2016Date of Patent: January 5, 2021Assignee: MITSUBISHI POWER, LTD.Inventors: Toru Tanaka, Akihisa Endo, Yusuke Hazui, Masumi Nomura
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Publication number: 20200207051Abstract: The corrugated cardboard sheet manufacturing system including a production state information acquisition device; a control value information acquisition device for acquiring control value information of a control element of a corrugated cardboard sheet manufacturing apparatus exerting an influence on the warp of a corrugated cardboard sheet; a warp information acquisition device for acquiring information of a warp amount of the corrugated cardboard sheet; a storage device for storing a performance data set including at least production state information, the control value information, and the warp information; a pre-control table storing a standard control value of the control element set in accordance with a production state; a correction table for correcting the standard control value to set an initial control value; an update device for updating the correction table by reflecting the performance data set; and control device for performing feedforward control of the control element using the initial controlType: ApplicationFiled: February 23, 2018Publication date: July 2, 2020Inventors: Koki TATEISHI, Akira OGINO, Yusuke HAZUI, Hiroshi ISHIBUCHI, Takaharu HIROE
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Publication number: 20200041144Abstract: A superordinate controlling device for a heat source system (1) including a plurality of heat sources, the superordinate controlling device being applied to the heat source system (1) and controlling heat-pump type chillers (2a) and (2b) and absorption-type chillers (2c) and (2d) in such a manner that a heat transfer medium leaving temperature that is the temperature of a heat transfer medium supplied to an external load (6) is equal to a setting temperature. The heat-pump type chillers (2a) and (2b) each have a higher Coefficient of Performance (COP) than that of each of the absorption-type chillers (2c) and (2d).Type: ApplicationFiled: September 20, 2017Publication date: February 6, 2020Applicants: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD., TOKYO ELECTRIC POWER COMPANY HOLDINGS, INCORPORATEDInventors: Satoshi NIKAIDO, Koki TATEISHI, Yusuke HAZUI, Yutaka TAKENAKA, Hirotaka HANASAKI, Satoru TANAKA
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Publication number: 20200018523Abstract: A refrigerating system of the present invention includes a plurality of parallel type refrigerators each of which has a plurality of compressors, and a host control device having a compressor start/stop permission output unit which is configured to output a compressor activation permission or a compressor stop permission to one of the plurality of parallel type refrigerators which is activated according to a predetermined permission condition. Each of the parallel-type refrigerators has a compressor activation control unit which is configured to a stopped compressor included in a certain refrigerator when a load factor of the certain refrigerator is equal to or greater than a first specified value and the compressor activation permission is received, and a compressor stop control unit which is configured to stop an activated compressor included in a certain refrigerator when the load factor of the certain refrigerator is less than a second specified value and the compressor stop permission is received.Type: ApplicationFiled: March 20, 2018Publication date: January 16, 2020Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Yutaka TAKENAKA, Satoshi NIKAIDO, Koki TATEISHI, Yusuke HAZUI
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Publication number: 20180328290Abstract: A turbine analysis device according to the present application includes a state quantity acquiring unit configured to acquire a state quantity of a turbine, the state quantity including a temperature of the turbine. A load specifying unit specifies a history of a load of the turbine, based on the state quantity. A load and time calculating unit calculates a relationship between the load of the turbine and an operable time when the turbine is operated at the load, based on a designed service life of the turbine and on a history of the load that has been specified by the load specifying unit.Type: ApplicationFiled: October 25, 2016Publication date: November 15, 2018Inventors: Toru TANAKA, Akihisa ENDO, Yusuke HAZUI, Masumi NOMURA
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Publication number: 20180313720Abstract: A planning device according to the present invention includes a remaining life specifying unit that specifies a remaining life of a component for a turbine. On the basis of the specified remaining life, a usage plan generating unit generates a usage plan that indicates the timing at which the component is to be incorporated into the turbine, such that the remaining life of the component becomes equal to or less than an allowable error value at a predetermined timing.Type: ApplicationFiled: October 25, 2016Publication date: November 1, 2018Inventors: Toru TANAKA, Akihisa ENDO, Yusuke HAZUI, Masumi NOMURA
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Publication number: 20180187938Abstract: Provided is a refrigerator system with which refrigerators can be operated efficiently. This refrigerator system has: an upstream refrigerator having a first compressor that compresses a refrigerant, a first condenser that condenses the refrigerant compressed by the first compressor, and a first evaporator that evaporates the refrigerant condensed by the first condenser and cools cold water; a downstream refrigerator having a second compressor that compresses a refrigerant, a second condenser that condenses the refrigerant compressed by the second compressor, and a second evaporator that evaporates the refrigerant condensed by the second condenser and cools the cold water that has passed through the first evaporator; and a higher-level control device that controls the operation of the upstream refrigerator and the downstream refrigerator. The first compressor is a variable-speed device, and the second compressor is a constant-speed device.Type: ApplicationFiled: April 21, 2016Publication date: July 5, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.Inventors: Yusuke HAZUI, Toshiaki OUCHI, Minoru MATSUO, Satoshi NIKAIDO, Noriyasu MAEHARA