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公开(公告)号：US11002773B2
公开(公告)日：2021-05-11
申请号：US14905585
申请日：2014-07-07
Applicant: NEC Corporation
Inventor： Takahiro Toizumi , Eisuke Saneyoshi , Koji Kudo , Hitoshi Yano , Ryo Hashimoto , Yuma Iwasaki , Hisato Sakuma
Abstract: Provided is a monitoring apparatus including an acquisition unit that acquires first time-series data which is time-series data of a measured value and/or a feature amount regarding an electrical device group, and a registration and updating unit that, when a difference in values between a pre-state-change data value which is any one of a data value at a first point in time in the first time-series data and a statistic of a plurality of data values from a point in time earlier than the first point in time by a predetermined period of time to the first point in time and a post-state-change data value which is any one of a data value at a second point in time later than the first point in time and a statistic of a plurality of data values from the second point in time to a point in time later than the second point in time by a predetermined period of time satisfies a predetermined condition, stores a feature amount extracted from any waveform data of a total current consumption, a total power consumption, and a total input voltage of the electrical device group corresponding to the pre-state-change data value and the post-state-change data value which satisfy the predetermined condition, in a feature amount storage unit.
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公开(公告)号：US10750251B2
公开(公告)日：2020-08-18
申请号：US15754366
申请日：2016-08-03
Applicant: NEC Corporation
Inventor： Takahiro Toizumi , Ryota Suzuki , Eisuke Saneyoshi , Shigeru Koumoto
Abstract: Provided is an information providing apparatus (10) including a reliability determination unit (11) that determines a reliability of an inference result obtained by inferring an operation state of a monitored electric device group, on the basis of time-series measurement data and training data, the time-series measurement data including any one of current consumption and power consumption of the monitored electric device group and the training data associating each of a plurality of the operation states which can be assumed by the electric device group with a feature value of each of the plurality of operation states, and an output unit (12) that outputs information related to the reliability.
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公开(公告)号：US10181737B2
公开(公告)日：2019-01-15
申请号：US15671248
申请日：2017-08-08
Applicant: NEC Corporation
Inventor： Hisato Sakuma , Koji Kudo , Hitoshi Yano , Kazuhiko Aoki , Yoshiho Yanagita , Yuma Iwasaki , Ryo Hashimoto , Eisuke Saneyoshi , Takahiro Toizumi
Abstract: A supply-and-demand adjustment system, that utilizes characteristics of supply-and-demand adjustment apparatuses and precisely matches a total supply-and-demand adjustment amount with a required adjustment amount when performing a supply-and-demand adjustment. The supply-and-demand adjustment system comprises a central control apparatus and one or more supply-and-demand adjustment apparatuses, the central control apparatus includes a state collection unit that collects information with regard to a state of each supply-and-demand adjustment apparatus, an allocation band calculation unit that calculates a frequency band and an intensity of a fluctuation of a supply-and-demand adjustment to be allocated to each supply-and-demand adjustment apparatus based on the information of the state, and an adjustment amount calculation unit that calculates a supply-and-demand adjustment amount for each supply-and-demand adjustment apparatus based on the frequency band and the intensity of the fluctuation of the supply-and-demand adjustment to be allocated to said each supply-and-demand adjustment apparatus.
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14.发明授权公开(公告)号：US12149300B2
公开(公告)日：2024-11-19
申请号：US18011290
申请日：2020-06-29
Applicant: NEC Corporation
Inventor： Eisuke Saneyoshi , Reishi Kondo
Abstract: An information processing device is configured to receive a test signal related to a content. Accordingly, the information processing device can discriminate the status of a transmission path based on the state of the received test signal.
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公开(公告)号：US10712375B2
公开(公告)日：2020-07-14
申请号：US15562233
申请日：2016-01-08
Applicant: NEC CORPORATION
Inventor： Takahiro Toizumi , Eisuke Saneyoshi , Ryota Suzuki , Shigeru Koumoto
IPC: G06F11/30 , G01R21/133
Abstract: In order to solve the above-described problem, there is provided a data processing device (1) including a measurement data acquisition unit (10) that acquires measurement data indicating a temporal change in at least one of current consumption and power consumption of an electrical apparatus, a fluctuation component extraction unit (20) that extracts a fluctuation component related to fluctuation in the current consumption and a fluctuation component related to fluctuation in the power consumption from the measurement data, and a feature value acquisition unit (30) that acquires a feature value of the fluctuation component.
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Patent Agency Ranking
公开(公告)号：US10365675B2
公开(公告)日：2019-07-30
申请号：US14375870
申请日：2014-02-06
Applicant: NEC Corporation
Inventor： Koji Kudo , Hisato Sakuma , Hitoshi Yano , Kazuhiko Aoki , Yoshiho Yanagita , Yuma Iwasaki , Ryo Hashimoto , Eisuke Saneyoshi , Takahiro Toizumi
Abstract: A battery control device controlling an operation of a battery connected to a power system includes detection means that detects battery-related information that shows a state of the battery, or a voltage of an interconnection point of the power system and the battery, first communication means that transmits a detection result of the detection means to an external device, and receives operation control information to control the operation of the battery from the external device, and control means that controls the operation of the battery, based on a state of the power system and the operation control information received by the first communication means.
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公开(公告)号：US10274573B2
公开(公告)日：2019-04-30
申请号：US15314766
申请日：2015-03-13
Applicant: NEC Corporation
Inventor： Takahiro Toizumi , Eisuke Saneyoshi , Katsuya Suzuki , Kosuke Homma , Ryo Hashimoto , Koji Kudo
IPC: G01R15/12 , G01R21/06 , G01R35/00 , G06Q10/00 , G01R21/133 , G06N99/00 , G01D4/00 , G01R22/06 , G06Q50/06
Abstract: A monitoring system including a plurality of monitoring devices (20) and a server (10) is provided. When new device data including a feature amount of a new electrical device different form existing electrical devices is extracted from measurement data (current consumption or the like), the monitoring device (20) calibrates the feature amount of the new electrical device using calibration data generated based on calibration data of the exiting electrical device, and transmits the new device data to the server (10) in association with identification information of the new electrical device. When the calibrated new device data of the new electrical device is received from the plurality of monitoring devices (20), the server (10) generates and registers training data of the new electrical device based on the plurality of pieces of calibrated new device data.
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公开(公告)号：US10056757B2
公开(公告)日：2018-08-21
申请号：US15021408
申请日：2014-09-11
Applicant: NEC Corporation
Inventor： Hisato Sakuma , Koji Kudo , Hitoshi Yano , Ryo Hashimoto , Eisuke Saneyoshi , Takahiro Toizumi , Kosuke Homma , Alexander Viehweider , Katsuya Suzuki
CPC classification number: H02J3/32 , H02J7/0047 , H02J7/0068 , H02J7/007 , H02J13/0006 , H02J13/0017 , Y02B70/3266 , Y02E60/722 , Y02E70/30 , Y04S10/14 , Y04S20/242
Abstract: A control device for controlling the operation of a supply and demand adjustment device that is connected to a power grid includes: detection means for detecting the state of the supply and demand adjustment device; communication means for transmitting the detection result of the detection means to an external device and receiving from the external device operation control information for controlling the operation of the supply and demand adjustment device; comprehension means for receiving and comprehending an adjustment power amount transmitted by bidirectional communication or one-way communication; and control means for, based on the adjustment power amount and the operation control information, controlling the operation of the supply and demand adjustment device.
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公开(公告)号：US09859735B2
公开(公告)日：2018-01-02
申请号：US14771416
申请日：2014-02-28
Applicant: NEC Corporation
Inventor： Hisato Sakuma , Koji Kudo , Hitoshi Yano , Kazuhiko Aoki , Yoshiho Yanagita , Yuma Iwasaki , Ryo Hashimoto , Eisuke Saneyoshi , Takahiro Toizumi
CPC classification number: H02J7/0063 , G06Q50/06 , H02J3/14 , H02J3/24 , H02J3/32 , H02J7/007 , H02J2007/0067 , Y02B70/3225 , Y04S10/54 , Y04S20/222
Abstract: A supply and demand adjustment system, that utilizes characteristics of a supply-and-demand adjustment apparatuses and precisely matches the total supply-and-demand adjustment amount with a required adjustment amount, when adjusting supply and demand, is provided. The supply and demand adjustment system that includes a central control apparatus and one or more supply-and-demand adjustment apparatuses, the central control apparatus including, supply-and-demand-adjustment-apparatus-state-collection unit that collects information with regard to a state of each supply-and-demand adjustment apparatus, allocation band calculation unit that calculates a frequency band and an intensity of a fluctuation of supply and demand adjustment to be allocated to the supply-and-demand adjustment apparatus based on the information of the state, and a supply-and-demand-adjustment-amount-calculation-unit that calculates a supply-and-demand adjustment amount for each supply-and-demand adjustment apparatus based on the frequency band and the intensity of the fluctuation of supply and demand adjustment to be allocated to the supply-and-demand adjustment apparatus.
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公开(公告)号：US11501388B2
公开(公告)日：2022-11-15
申请号：US16344881
申请日：2017-10-30
Applicant: NEC Corporation
Inventor： Eisuke Saneyoshi , Shigeru Koumoto , Akira Shoujiguchi , Rie Iwasaki , Takahiro Toizumi , Ryota Suzuki
IPC: G06Q50/04 , G05B19/406 , G06Q10/06 , G06Q10/00
Abstract: There are provided a repair determination section that determines, based on failure information on the facility for manufacturing a product, a repair time required to repair the facility, and a recovery plan creation section that creates a recovery plan in accordance with a predetermined production evaluation indicator, based on the repair time and production information on a line with the failed facility, one or more other facilities, and on one or more other lines.
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