Patents by Inventor Takashi Akiba
Takashi Akiba 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: 20240093393Abstract: To accurately prepare an operation plan that achieves efficient operation in a hydrogen system. In a hydrogen system operation planning device of an embodiment, an acquisition unit is configured to acquire performance data regarding performance of a plurality of hydrogen production devices and tentative operation plan data regarding a tentative operation plan tentatively prepared for the operation plan. A prediction unit is configured to acquire performance prediction data by predicting the performance of the plurality of hydrogen production devices during the planning target period based on the performance data and tentative operation plan data acquired by the acquisition unit. A planning unit is configured to acquire the operation plan by correcting the tentative operation plan based on the performance prediction data acquired by the prediction of the prediction unit.Type: ApplicationFiled: July 14, 2023Publication date: March 21, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Junsuke BABA, Takashi AKIBA, Fumiyuki YAMANE
-
Patent number: 11913126Abstract: A hydrogen-system control device according to the present embodiment is a control system for a hydrogen system that produces hydrogen: a first setter; a second setter configured to set an actual power consumption amount obtained by reducing a reduced power amount from the first power consumption amount in advance, when the demand response for reducing the first power consumption amount in the request period is requested the device comprising: and a controller configured to control a power amount of the second power in the request period based on the actual power consumption amount. The second setter is configured to set the actual power consumption amount in a range in which the hydrogen system is able to achieve a target amount of hydrogen to be produced in a first period that includes the request period and is longer than the request period.Type: GrantFiled: June 11, 2021Date of Patent: February 27, 2024Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Takashi Akiba, Shingo Tamaru, Shin Kato, Fumiyuki Yamane
-
Patent number: 11909212Abstract: A hydrogen-system control device according to the present embodiment is a hydrogen-system control device that controls a hydrogen system. The hydrogen-system control device includes an acquirer configured to acquire a predicted value of the first power for a time period for which an amount of the second power to be received has been set, and a controller configured to cause the hydrogen system to additionally produce hydrogen in an amount corresponding to a usage ratio of surplus power by which a supplied value of the first power exceeds the predicted value of the first power, wherein the controller sets the usage ratio for a first time period within a predetermined time period to a value larger than the usage ratio for a second time period that is after the first time period and within the predetermined time period.Type: GrantFiled: June 11, 2021Date of Patent: February 20, 2024Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Shingo Tamaru, Takashi Akiba, Fumiyuki Yamane, Shin Kato
-
Publication number: 20240028992Abstract: A planning device includes: a specifying unit that specifies a demand type categorizing a hydrogen demand and an intended use of the hydrogen demand; an importance degree setting unit that sets an importance degree table configured to link importance degrees of the demand type and the intended use with results of the specification; an importance degree determining unit that determines the importance degree of the demand type and the importance degree of the intended use based on the hydrogen demand information, the results of the specification, and the importance degree table; a demand predicting unit that predicts the hydrogen demand based on the hydrogen demand information and the results of the specification; and a supply plan creating unit that creates a hydrogen supply plan based on the state information, the hydrogen demand information, a result of the prediction, the importance degrees, and an electric power information.Type: ApplicationFiled: July 3, 2023Publication date: January 25, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Keita NAKAJIMA, Takashi AKIBA, Fumiyuki YAMANE
-
Publication number: 20240014656Abstract: According to an embodiment, an operation plan planning device connected to an electric power system and plans an operation plan for responding to a request for a balancing power from the electric power system in a hydrogen production plant that includes a renewable energy generator, a water electrolysis device, and a hydrogen storage facility, the device comprises: an input part; a storage; a calculator including: a balancing power scenario creating unit to create a time series of a balancing power price and a time series of a balancing power ratio, and to create a balancing power scenario by synthesizing them; a mathematical optimization calculator; and a calculation condition setting unit; and an output part.Type: ApplicationFiled: July 3, 2023Publication date: January 11, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Kazuto KUBOTA, Shingo TAMARU, Takashi AKIBA, Fumiyuki YAMANE
-
Publication number: 20230409067Abstract: According to an embodiment, a reverse flow power control device includes: an input unit that accepts actual values of output power of the power conditioner, load power with respect to the load device, and reception power, and a minimum reception power value; a storage unit; and a calculator having an output controller that calculates an output command calculation value, a load controller that calculates a load command calculation value, and a command value re-calculator that calculates, by using the respective actual values, the output command calculation value, the load command calculation value, and the minimum reception power value, an output command value with respect to the power conditioner, in order to prevent a reception power value from the power system from becoming less than the minimum reception power value.Type: ApplicationFiled: June 16, 2023Publication date: December 21, 2023Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shingo TAMARU, Kazuto KUBOTA, Takashi AKIBA, Fumiyuki YAMANE
-
Patent number: 11784335Abstract: A hydrogen-energy control system according to the present embodiment includes a hydrogen energy system, a power grid control system, a hydrogen transport system, and a hydrogen-energy integrated management system configured to control the hydrogen energy system based on information on communication with the power grid control system, wherein the hydrogen-energy integrated management system includes a first communication portion configured to perform communication of at least data of a charge request in charge and discharge requests with the power grid control system, a second communication portion configured to perform communication of hydrogen demand data with the hydrogen transport system, a target hydrogen-amount acquisition portion configured to acquire a target hydrogen-production amount based on the hydrogen demand data, and an operation planning portion configured to create an operation plan in the hydrogen energy system based on the target hydrogen-production amount and the data of the charge request.Type: GrantFiled: June 11, 2021Date of Patent: October 10, 2023Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Takashi Akiba, Fumiyuki Yamane, Shin Kato, Hirofumi Morita, Tetsuharu Tanoue
-
Publication number: 20230238556Abstract: To provide a hydrogen system operation planning device capable of accurately preparing an operation plan that achieves efficient operation in a hydrogen system. In the hydrogen system operation planning device of the embodiment, a classification unit receives input of DR commands regarding demand for electric power in the hydrogen system and classifies the input DR commands into a first DR group and a second DR group with a lower priority than the first DR group. A first planning unit prepares a first operation plan to reflect the DR command classified into the first DR group. A second planning unit prepares a second operation plan by reflecting contents of the DR command classified into the second DR group on the first operation plan so that contents of the DR command classified into the first DR group have priority over the contents of the DR command classified into the second DR group.Type: ApplicationFiled: January 4, 2023Publication date: July 27, 2023Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takashi AKIBA, Shingo TAMARU, Fumiyuki YAMANE, Junsuke BABA
-
Patent number: 11710839Abstract: A controller according to an embodiment controls a hydrogen system including at least a hydrogen production system in which received power is planned in advance and a hydrogen production amount changes in accordance with the received power. The controller includes: a processor that calculates, in a preparation time period before a demand adjustment time period in which a target value of the received power is set in advance, a control command value such that input power to be inputted as the received power to the hydrogen production system matches the target value at a start of the demand adjustment time period; and a command controller that outputs the control command value calculated by the processor to the hydrogen production system.Type: GrantFiled: June 10, 2021Date of Patent: July 25, 2023Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Masahiko Murai, Shingo Tamaru, Takashi Akiba, Fumiyuki Yamane, Shin Kato, Hirofumi Morita, Tetsuharu Tanoue
-
Publication number: 20220224120Abstract: A power control device for a hydrogen system according to the present embodiment is a power control device configured to control a supply of generated power generated by a renewable energy generation device, and includes an acquirer and a controller. The acquirer acquires information related to an amount of power sale in a predetermined period. The controller controls the power supplier of the renewable energy generation device to sell power from the generated power, such that the integrated value of the power sale in time series in a predetermined period becomes the power sale amount. The controller makes an average value of the power sale in a first period within the predetermined period larger than the average value of a second period within the predetermined period after the first period.Type: ApplicationFiled: January 7, 2022Publication date: July 14, 2022Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shingo TAMARU, Takashi AKIBA, Fumiyuki YAMANE, Hirofumi KURITA
-
Publication number: 20220179382Abstract: A power prediction device according to the present embodiments includes an evaluation-value generator and a prediction circuit. The evaluation-value generator is configured to generate a time-series evaluation value based on a time-series error of weather-related forecast data. The prediction circuit is configured to, as for a time and an amount of power of demand response that changes a pattern of power consumption or power production, predict at least the time in accordance with the time-series evaluation value.Type: ApplicationFiled: December 7, 2021Publication date: June 9, 2022Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takashi AKIBA, Shingo TAMARU, Fumiyuki YAMANE, Hirofumi KURITA
-
Publication number: 20210381120Abstract: A hydrogen-system control device according to the present embodiment is a control system for a hydrogen system that produces hydrogen: a first setter; a second setter configured to set an actual power consumption amount obtained by reducing a reduced power amount from the first power consumption amount in advance, when the demand response for reducing the first power consumption amount in the request period is requested the device comprising: and a controller configured to control a power amount of the second power in the request period based on the actual power consumption amount. The second setter is configured to set the actual power consumption amount in a range in which the hydrogen system is able to achieve a target amount of hydrogen to be produced in a first period that includes the request period and is longer than the request period.Type: ApplicationFiled: June 11, 2021Publication date: December 9, 2021Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takashi AKIBA, Shingo TAMARU, Shin KATO, Fumiyuki YAMANE
-
Publication number: 20210359519Abstract: A hydrogen-system control device according to the present embodiment is a hydrogen-system control device that controls a hydrogen system. The hydrogen-system control device includes an acquirer configured to acquire a predicted value of the first power for a time period for which an amount of the second power to be received has been set, and a controller configured to cause the hydrogen system to additionally produce hydrogen in an amount corresponding to a usage ratio of surplus power by which a supplied value of the first power exceeds the predicted value of the first power, wherein the controller sets the usage ratio for a first time period within a predetermined time period to a value larger than the usage ratio for a second time period that is after the first time period and within the predetermined time period.Type: ApplicationFiled: June 11, 2021Publication date: November 18, 2021Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shingo TAMARU, Takashi AKIBA, Fumiyuki YAMANE, Shin KATO
-
Publication number: 20210305606Abstract: A controller according to an embodiment controls a hydrogen system including at least a hydrogen production system in which received power is planned in advance and a hydrogen production amount changes in accordance with the received power. The controller includes: a processor that calculates, in a preparation time period before a demand adjustment time period in which a target value of the received power is set in advance, a control command value such that input power to be inputted as the received power to the hydrogen production system matches the target value at a start of the demand adjustment time period; and a command controller that outputs the control command value calculated by the processor to the hydrogen production system.Type: ApplicationFiled: June 10, 2021Publication date: September 30, 2021Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Masahiko MURAI, Shingo TAMARU, Takashi AKIBA, Fumiyuki YAMANE, Shin KATO, Hirofumi MORITA, Tetsuharu TANOUE
-
Publication number: 20210305605Abstract: A hydrogen-energy control system according to the present embodiment includes a hydrogen energy system, a power grid control system, a hydrogen transport system, and a hydrogen-energy integrated management system configured to control the hydrogen energy system based on information on communication with the power grid control system, wherein the hydrogen-energy integrated management system includes a first communication portion configured to perform communication of at least data of a charge request in charge and discharge requests with the power grid control system, a second communication portion configured to perform communication of hydrogen demand data with the hydrogen transport system, a target hydrogen-amount acquisition portion configured to acquire a target hydrogen-production amount based on the hydrogen demand data, and an operation planning portion configured to create an operation plan in the hydrogen energy system based on the target hydrogen-production amount and the data of the charge request.Type: ApplicationFiled: June 11, 2021Publication date: September 30, 2021Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Takashi AKIBA, Fumiyuki YAMANE, Shin KATO, Hirofumi MORITA, Tetsuharu TANOUE
-
Patent number: 11111890Abstract: A fuel supply device includes a surface level detection device that detects a surface level of fuel through use of a float. A supply main body is placed in a fuel tank through an insertion opening and supplies the fuel to an outside. A surface level detection unit, which includes the float, is rotatable relative to the supply main body, and a rotational range of the surface level detection unit is set to include at least an inserting direction of the supply main body. A distal end part of the surface level detection unit, which is furthermost from an imaginary rotational center axis in the surface level detection unit, is placed on an upper side of an imaginary plane, which includes the imaginary rotational center axis and a center of gravity of the surface level detection unit, in a rotational direction of the surface level detection unit.Type: GrantFiled: March 30, 2017Date of Patent: September 7, 2021Assignee: DENSO CORPORATIONInventors: Takashi Akiba, Rui Adachi, Norihiro Hayashi
-
Patent number: 10648436Abstract: A fuel supply device configured to supply fuel from an inside of a fuel tank to an internal combustion engine includes: a cover body that is installed to an upper wall of the fuel tank; a pump unit that is placed on a bottom wall of the fuel tank and is configured to discharge the fuel from the inside of the fuel tank toward the internal combustion engine; and a coupling stay that couples between the cover body and the pump unit. The coupling stay includes: an upper stay that extends on a lower side of the cover body; and a lower stay that is installed to the pump unit and is slidably fitted to the upper stay in a top-to-bottom direction. A stress concentrating portion, which reduces a section modulus to concentrate a stress around the stress concentrating portion, is formed at a specific location of the lower stay.Type: GrantFiled: February 24, 2017Date of Patent: May 12, 2020Assignee: DENSO CORPORATIONInventors: Rui Adachi, Tadashi Hazama, Norihiro Hayashi, Takashi Akiba, Shingo Fukuoka
-
Publication number: 20190211785Abstract: A fuel supply device includes a surface level detection device that detects a surface level of fuel through use of a float. A supply main body is placed in a fuel tank through an insertion opening and supplies the fuel to an outside. A surface level detection unit, which includes the float, is rotatable relative to the supply main body, and a rotational range of the surface level detection unit is set to include at least an inserting direction of the supply main body. A distal end part of the surface level detection unit, which is furthermost from an imaginary rotational center axis in the surface level detection unit, is placed on an upper side of an imaginary plane, which includes the imaginary rotational center axis and a center of gravity of the surface level detection unit, in a rotational direction of the surface level detection unit.Type: ApplicationFiled: March 30, 2017Publication date: July 11, 2019Applicant: DENSO CORPORATIONInventors: Takashi AKIBA, Rui ADACHI, Norihiro HAYASHI
-
Publication number: 20190017474Abstract: A fuel supply device configured to supply fuel from an inside of a fuel tank to an internal combustion engine includes: a cover body that is installed to an upper wall of the fuel tank; a pump unit that is placed on a bottom wall of the fuel tank and is configured to discharge the fuel from the inside of the fuel tank toward the internal combustion engine; and a coupling stay that couples between the cover body and the pump unit. The coupling stay includes: an upper stay that extends on a lower side of the cover body; and a lower stay that is installed to the pump unit and is slidably fitted to the upper stay in a top-to-bottom direction. A stress concentrating portion, which reduces a section modulus to concentrate a stress around the stress concentrating portion, is formed at a specific location of the lower stay.Type: ApplicationFiled: February 24, 2017Publication date: January 17, 2019Inventors: Rui ADACHI, Tadashi HAZAMA, Norihiro HAYASHI, Takashi AKIBA, Shingo FUKUOKA
-
Publication number: 20170069041Abstract: A diagram creating method includes a first step and a second step. The first step includes generating a group of candidates for departure times at a first spot with reference to a temporal distribution of demand for movement to a second spot at the first spot and a minimum capacity among capacities of available vehicles. The second step includes creating a diagram from the first spot to the second spot by determining a type of vehicle which departs at one departure time from a group of types of the available vehicles for each candidate for a departure time belonging to the group of candidates for departure times. The group of types includes a type of vehicle indicating that the type of vehicle does not depart at the departure time.Type: ApplicationFiled: January 27, 2015Publication date: March 9, 2017Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Takashi AKIBA, Fumiyuki YAMANE