Patents by Inventor Kazuyuki Wakasugi
Kazuyuki Wakasugi 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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Publication number: 20230046709Abstract: Provided is a prediction system that predicts whether a prescribed event will occur in a device, without being affected by differences among individual devices. The prediction system comprises: a data acquisition unit which acquires operation data representing the operation status of a device; a probability density estimation unit which estimates the probability density of the operation data; and an abnormality prediction unit which predicts whether an abnormality will occur in the device on the basis of the probability density estimation results of the operation data and a prediction model.Type: ApplicationFiled: May 29, 2020Publication date: February 16, 2023Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Kazuyuki WAKASUGI, Katsuaki MORITA, Junnosuke ANDOU, Ichirou ISHIDA
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Publication number: 20220200279Abstract: One aspect of the present invention is a power generation amount prediction device comprising: a storage unit that stores a model configured using machine learning involving the use of explanatory variables including at least the weather prediction information of a mesh including a prediction point and a plurality of surrounding meshes, and an objective variable corresponding to the amount of power generated by natural energy; and a prediction unit that inputs, into the model, the weather prediction information of the prediction time of at least the mesh including the prediction point and the plurality of surrounding meshes, and finds a predicted value of the power generation amount at the prediction point as an output from the model.Type: ApplicationFiled: March 27, 2020Publication date: June 23, 2022Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Reiko Kawakami, Kazuyuki Wakasugi
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Publication number: 20220138654Abstract: A demand prediction unit predicts a time series of demand values related to a predetermined prediction period using a predictive model. The predictive model is a learned model learned to output a demand value of an energy source by inputting an operation plan value of a plant and a predicted value related to an environment of the plant. An optimizing unit specifies operating indices of a plant that satisfy a plurality of demand values and satisfy a desired condition for each time related to the predicted time series of demand values. A presentation unit presents information related to the time series of operating indices related to the prediction period.Type: ApplicationFiled: February 18, 2020Publication date: May 5, 2022Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuyuki Wakasugi, Kazuki Yoshida, Tomoyuki Enomoto, Satoshi Kokaji, Toshiaki Tanabe, Teppei Teshima
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Patent number: 11110944Abstract: A travel management device is configured to transmit a reservation request for a block section to be reserved based on track information indicating a plurality of block sections constituting a track on which a vehicle travels and a connection relationship between the block sections, the block section to be reserved being among the block sections included in the track on which the vehicle travels. A resource management device is configured to record the block section to be reserved indicated by the reservation request as a reserved block section of the vehicle which has transmitted the reservation request in case where the block section to be reserved indicated by the reservation request is not reserved by a vehicle other than the vehicle which has transmitted the reservation request at a time at which the reservation request is received.Type: GrantFiled: November 24, 2016Date of Patent: September 7, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Noritaka Yanai, Masahiro Yamada, Yutaka Miyajima, Hiroki Nonaka, Kazuyuki Wakasugi
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Patent number: 11073446Abstract: A wear inspection apparatus includes a data acquisition unit which is configured to acquire surface shape data including information indicating a shape of a surface of a part wearing as a vehicle travels, and an approximation processing unit which is configured to calculate an approximation line for the acquired surface shape data and calculates a degree of wear of the part from the approximation line and a worn portion included in the surface shape data.Type: GrantFiled: March 15, 2017Date of Patent: July 27, 2021Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventor: Kazuyuki Wakasugi
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Patent number: 10844822Abstract: A model formula representing the relationship between an error between a predetermined stopping position and an actually-stopped position of a vehicle indicating the result of an automatic stop control, which controls the vehicle to stop at the predetermined stopping position using running-condition parameters, and the running-condition parameters used for the automatic stop control is calculated via machine learning. A stopping error is estimated with respect to the next stopping position, at which the vehicle currently running is going to stop, according to the model formula which is calculated in the past. The changing parameter to be changed is specified among the running-condition parameters, and then the changing parameter used for the automatic stop control is updated with a correction value configured to correct the stopping error of the vehicle.Type: GrantFiled: February 21, 2018Date of Patent: November 24, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventor: Kazuyuki Wakasugi
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Patent number: 10625717Abstract: A brake control device includes a mechanical brake output determination unit configured to determine the stage number of a braking force on the basis of a target deceleration of a moving body from one or a plurality of braking force stages output from a mechanical brake included in the moving body, a mechanical braking force estimation unit configured to estimate braking force of the mechanical brake corresponding to the stage number determined by the mechanical brake output determination unit, and a regenerative brake control unit configured to output a regenerative brake command value such that a regenerative brake included in the moving body outputs a braking force corresponding to a difference between target braking force based on the target deceleration and the braking force estimated by the mechanical braking force estimation unit.Type: GrantFiled: November 17, 2016Date of Patent: April 21, 2020Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Noritaka Yanai, Hirotaka Okazaki, Kazuyuki Wakasugi, Yutaka Miyajima
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Publication number: 20200011282Abstract: A model formula representing the relationship between an error between a predetermined stopping position and an actually-stopped position of a vehicle indicating the result of an automatic stop control, which controls the vehicle to stop at the predetermined stopping position using running-condition parameters, and the running-condition parameters used for the automatic stop control is calculated via machine learning. A stopping error is estimated with respect to the next stopping position, at which the vehicle currently running is going to stop, according to the model formula which is calculated in the past. The changing parameter to be changed is specified among the running-condition parameters, and then the changing parameter used for the automatic stop control is updated with a correction value configured to correct the stopping error of the vehicle.Type: ApplicationFiled: February 21, 2018Publication date: January 9, 2020Inventor: Kazuyuki WAKASUGI
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Patent number: 10309981Abstract: In the present invention: a power consumption calculation unit sets target speeds in a plurality of sections of a track; the power consumption calculation unit calculates, on the basis of the target speeds, the power consumption when the track is traveled; a target speed change unit changes combinations of target speeds in the plurality of sections set by the power consumption calculation unit; an evaluation value calculation unit calculates an evaluation value on the basis of an evaluation function for each combination of target speeds; the evaluation function is a function in which the power consumption calculated by the power consumption calculation unit is multiplied by a prescribed weight; and a target speed determination unit sets the combination of target speeds in which the evaluation value is smallest as the target speed of the vehicle in each section.Type: GrantFiled: September 20, 2013Date of Patent: June 4, 2019Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Kazuyuki Wakasugi, Toshihiko Niinomi
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Publication number: 20190120722Abstract: A wear inspection apparatus includes a data acquisition unit which is configured to acquire surface shape data including information indicating a shape of a surface of a part wearing as a vehicle travels, and an approximation processing unit which is configured to calculate an approximation line for the acquired surface shape data and calculates a degree of wear of the part from the approximation line and a worn portion included in the surface shape data.Type: ApplicationFiled: March 15, 2017Publication date: April 25, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventor: Kazuyuki WAKASUGI
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Patent number: 10155450Abstract: This charging device is provided with a charger, a resistor, a ground-side switch, and a determination device. The charger charges a secondary battery that is provided to a vehicle. The resistor is connected in parallel with the charger. The ground-side switch connects the charger and the resistor in an openable/closable manner. The determination device acquires information indicating that the ground-side switch is closed and information indicating that a vehicle-side switch that connects the secondary battery and the charger in an openable/closable manner is open and subsequently determines that the vehicle-side switch is short-circuited when a physical quantity that relates to the electricity of the resistor does not decrease.Type: GrantFiled: October 24, 2014Date of Patent: December 18, 2018Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINEERING, LTD.Inventors: Katsuaki Morita, Hisashi Motoyama, Kyotaro Onishi, Masato Suzuki, Takayuki Kono, Kazuyuki Wakasugi
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Publication number: 20180346005Abstract: A travel management device is configured to transmit a reservation request for a block section to be reserved based on track information indicating a plurality of block sections constituting a track on which a vehicle travels and a connection relationship between the block sections, the block section to be reserved being among the block sections included in the track on which the vehicle travels. A resource management device is configured to record the block section to be reserved indicated by the reservation request as a reserved block section of the vehicle which has transmitted the reservation request in case where the block section to be reserved indicated by the reservation request is not reserved by a vehicle other than the vehicle which has transmitted the reservation request at a time at which the reservation request is received.Type: ApplicationFiled: November 24, 2016Publication date: December 6, 2018Applicant: Mitsubishi Heavy Industries Engineering, Ltd.Inventors: Noritaka YANAI, Masahiro YAMADA, Yutaka MIYAJIMA, Hiroki NONAKA, Kazuyuki WAKASUGI
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Publication number: 20180326953Abstract: A brake control device includes a mechanical brake output determination unit configured to determine the stage number of a braking force on the basis of a target deceleration of a moving body from one or a plurality of braking force stages output from a mechanical brake included in the moving body, a mechanical braking force estimation unit configured to estimate braking force of the mechanical brake corresponding to the stage number determined by the mechanical brake output determination unit, and a regenerative brake control unit configured to output a regenerative brake command value such that a regenerative brake included in the moving body outputs a braking force corresponding to a difference between target braking force based on the target deceleration and the braking force estimated by the mechanical braking force estimation unit.Type: ApplicationFiled: November 17, 2016Publication date: November 15, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINEERING ,LTD.Inventors: Noritaka YANAI, Hirotaka OKAZAKI, Kazuyuki WAKASUGI, Yutaka MIYAJIMA
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Patent number: 9738173Abstract: A charging and discharging control device includes a pantograph point voltage detection unit configured to detect a pantograph point voltage of a vehicle, a charging and discharging control unit configured to charge a power storage device provided in a vehicle when the pantograph point voltage is greater than or equal to a charging voltage threshold value and discharge the power storage device when the pantograph point voltage is less than a discharging voltage threshold value, a load determination unit configured to determine whether an absolute value of load power for the vehicle is less than a load power threshold value, and a charging and discharging control change unit configured to reduce any one of more of the charging voltage threshold value, the discharging voltage threshold value, and charging/discharging impedance when the absolute value of the load power is less than the load power threshold value.Type: GrantFiled: September 27, 2013Date of Patent: August 22, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuyuki Wakasugi, Takayuki Kono, Katsuaki Morita, Toshihiko Niinomi, Noritaka Yanai, Kenji Takao, Kyotaro Onishi
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Patent number: 9694704Abstract: A peak cut power calculation unit calculates peak cut power transmittable to an overhead wire as power exhibiting monotonic non-increase with respect to a resistance value of the overhead wire between a vehicle and a substation. In addition, a peak cut unit controls electrical charging/discharging of a rechargeable battery with power of a difference between load power and transmission peak cut power when the load power is equal to or more than the peak cut power.Type: GrantFiled: February 1, 2013Date of Patent: July 4, 2017Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsuaki Morita, Shunsuke Kamei, Takayuki Kono, Kazuyuki Wakasugi
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Patent number: 9457679Abstract: A charge control device determines a current value acquired by dividing a current amount that should be charged in a secondary battery in a vehicle at a charging location by an allowable charging time at the charging location on the basis of a charging amount as a physical quantity associated with the charging state of the secondary battery. When the vehicle arrives at the charging location, the charge control device allows a charging device provided at the charging location to charge the secondary battery with the current having the determined current value for the allowable charging time.Type: GrantFiled: March 27, 2014Date of Patent: October 4, 2016Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Katsuaki Morita, Toshihiko Niinomi, Takayuki Kono, Kazuyuki Wakasugi, Hisashi Motoyama, Masato Suzuki
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Publication number: 20160231389Abstract: The deterioration function calculation device includes: a storage unit which stores the running time of the secondary battery during the use in association with the deterioration rate of the secondary battery during the running time; an equivalent coefficient calculation unit which calculates an equivalent coefficient for normalizing the running time, on the basis of values related to the use; an equivalent running time calculation unit which calculates an equivalent running time on the basis of the running time and the equivalent coefficient related to the use related to the running time; and a deterioration function calculation unit which calculates a deterioration function representing a relationship between the equivalent running time and the deterioration rate.Type: ApplicationFiled: October 16, 2014Publication date: August 11, 2016Inventors: Kazuyuki WAKASUGI, Toshihiko NIINOMI, Katsuaki MORITA, Takayuki KONO, Hisashi MOTOYAMA, Masato SUZUKI
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Publication number: 20160200203Abstract: This charging device is provided with a charger, a resistor, a ground-side switch, and a determination device. The charger charges a secondary battery that is provided to a vehicle. The resistor is connected in parallel with the charger. The ground-side switch connects the charger and the resistor in an openable/closable manner. The determination device acquires information indicating that the ground-side switch is closed and information indicating that a vehicle-side switch that connects the secondary battery and the charger in an openable/closable manner is open and subsequently determines that the vehicle-side switch is short-circuited when a physical quantity that relates to the electricity of the resistor does not decrease.Type: ApplicationFiled: October 24, 2014Publication date: July 14, 2016Applicant: Mitsubishi Heavy Industries, Ltd.Inventors: Katsuaki MORITA, Hisashi MOTOYAMA, Kyotaro ONISHI, Masato SUZUKI, Takayuki KONO, Kazuyuki WAKASUGI
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Publication number: 20150375632Abstract: A charge control device determines a current value acquired by dividing a current amount that should be charged in a secondary battery in a vehicle at a charging location by an allowable charging time at the charging location on the basis of a charging amount as a physical quantity associated with the charging state of the secondary battery. When the vehicle arrives at the charging location, the charge control device allows a charging device provided at the charging location to charge the secondary battery with the current having the determined current value for the allowable charging time.Type: ApplicationFiled: March 27, 2014Publication date: December 31, 2015Inventors: Katsuaki MORITA, Toshihiko NIINOMI, Takayuki KONO, Kazuyuki WAKASUGI, Hisashi MOTOYAMA, Masato SUZUKI
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Publication number: 20150314699Abstract: A charging and discharging control device includes a pantograph point voltage detection unit configured to detect a pantograph point voltage of a vehicle, a charging and discharging control unit configured to charge a power storage device provided in a vehicle when the pantograph point voltage is greater than or equal to a charging voltage threshold value and discharge the power storage device when the pantograph point voltage is less than a discharging voltage threshold value, a load determination unit configured to determine whether an absolute value of load power for the vehicle is less than a load power threshold value, and a charging and discharging control change unit configured to reduce any one of more of the charging voltage threshold value, the discharging voltage threshold value, and charging/discharging impedance when the absolute value of the load power is less than the load power threshold value.Type: ApplicationFiled: September 27, 2013Publication date: November 5, 2015Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.Inventors: Kazuyuki WAKASUGI, Takayuki KONO, Katsuaki MORITA, Toshihiko NIINOMI, Noritaka YANAI, Kenji TAKAO, Kyotaro ONISHI