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    Power control apparatus, power control system, and power control method
    1.
    发明授权
    Power control apparatus, power control system, and power control method 有权

    公开(公告)号：US10714968B2

    公开(公告)日：2020-07-14

    申请号：US16082311

    申请日：2016-03-08

    Applicant: NEC Corporation

    Inventor： Kosuke Homma ,  Koji Kudo ,  Ryo Hashimoto

    IPC: H02J7/34 ,  H02J3/38 ,  H02J7/35 ,  H02J3/00 ,  H02J3/48 ,  H02J3/32 ,  G05B13/04

    Abstract: A problem to be solved is to optimize a storage schedule in which changes in power (W) stored in an energy storage apparatus with time are determined, and an output upper limit (W) of a renewable energy power supply. In order to solve the problem, the invention provides a power control apparatus (10) that stores in an energy storage apparatus an amount of power exceeding an output upper limit instruction value (W), which is determined by an electricity company in power (W) generated by a power generation apparatus, the power control apparatus (10) including a decision unit (11) that decides a storage schedule in which changes in the power (W) to be stored in the energy storage apparatus with time within a predetermined period of time are determined, on the basis of prediction data on changes in the power (W) generated by the power generation apparatus with time within the predetermined period of time and values of various types of power classified on the basis of the output upper limit instruction value (W) within the predetermined period of time.

    Data management system, data management method, and recording medium for data management program
    4.
    发明授权
    Data management system, data management method, and recording medium for data management program 有权

    公开(公告)号：US11574730B2

    公开(公告)日：2023-02-07

    申请号：US16643319

    申请日：2018-08-22

    Applicant: NEC CORPORATION

    Inventor： Masahiro Hayashitani ,  Kosuke Homma ,  Masahiro Kubo ,  Shigemi Kitahara

    IPC: G06F17/00 ,  G16H40/20 ,  G06F16/242 ,  G06F16/23 ,  G06Q10/02

    Abstract: A data management system is provided with: a storage unit for storing examination information including at least an examination item, an examination location, a consultation location, and a required examination time, the examination item including examination names of a plurality of examinations; an acquisition unit for acquiring patient information relating to severity and an identifier for identifying the patient to be examined; a calculation unit for calculating, in accordance with the patient, the necessary travel time for traveling from the examination location or consultation location at which a completed examination or consultation was performed to the next examination location or consultation location at which the next examination or consultation subsequent to the examination or consultation is to be performed, based on the patient information and the examination information; and a generating unit for generating a patient examination schedule based on the examination information, the patient information, and the travel time.

    Monitoring device, monitoring system, monitoring method, correction information generation device, correction information generation method, and non-transitory storage medium
    5.
    发明授权
    Monitoring device, monitoring system, monitoring method, correction information generation device, correction information generation method, and non-transitory storage medium 有权

    公开(公告)号：US11067612B2

    公开(公告)日：2021-07-20

    申请号：US16681427

    申请日：2019-11-12

    Applicant: NEC Corporation

    Inventor： Eisuke Saneyoshi ,  Takahiro Toizumi ,  Kosuke Homma ,  Ryo Hashimoto ,  Katsuya Suzuki

    IPC: G01R1/02 ,  G01R21/133 ,  G01R19/25

    Abstract: A monitoring device (10) includes a feature amount storage unit (11) that stores a device feature amount which is a feature amount of each of a plurality of electrical devices installed in a predetermined unit in operation; a measured data acquisition unit (12) that acquires measured data of the predetermined unit which is at least one of a total current consumption, a total power consumption, and a voltage measured in the predetermined unit; a feature amount extraction unit (13) that acquires a measurement feature amount which is the feature amount included in the measured data of the predetermined unit; a correction unit (15) that corrects a first feature amount which is the device feature amount or the measurement feature amount based on unit feature information indicating a feature of the predetermined unit; and a presumption unit (16) that presumes the electrical device being in operation using the corrected first feature amount, and a second feature amount which is the device feature amount or the measurement feature amount, and a different feature amount from the first feature amount.

    Training data generation device, electrical device monitoring system, training data generation method, and non-transitory storage medium
    6.
    发明授权
    Training data generation device, electrical device monitoring system, training data generation method, and non-transitory storage medium 有权

    公开(公告)号：US10466283B2

    公开(公告)日：2019-11-05

    申请号：US15300531

    申请日：2015-03-17

    Applicant: NEC Corporation

    Inventor： Kosuke Homma ,  Eisuke Saneyoshi ,  Ryo Hashimoto ,  Takahiro Toizumi

    IPC: G01R21/133 ,  G06F17/18 ,  G05B23/02 ,  G05B9/02 ,  G01R19/25 ,  G06F15/18 ,  G05B19/042 ,  G06N20/00 ,  G01D4/00

    Abstract: A training data generation device (10) includes: a measurement data acquisition unit (11) that acquires measurement data including waveform data including at least one of a current consumption waveform, an input voltage waveform, and a power consumption waveform along a time axis of an electrical device and power consumption value data indicating time-series power consumption values of the electrical device; an analysis unit (12) that analyzes a rate of occurrence of each power consumption value using the power consumption value data; a specifying unit (13) that specifies one or more specific power consumption value bands including a power consumption value with the higher rate of occurrence than that of a standard power consumption value and having a predetermined power value width; a feature amount extraction unit (14) that determines a representative power value for each specific power consumption value band and extracts a feature amount using the waveform data; and a storage unit (15) that stores a pair of the representative power value determined based on each specific power consumption value band and a training feature amount which is the feature amount in association with the electrical device.

    Monitoring device, monitoring system, monitoring method, and non-transitory storage medium
    8.
    发明授权
    Monitoring device, monitoring system, monitoring method, and non-transitory storage medium 有权

    公开(公告)号：US10401403B2

    公开(公告)日：2019-09-03

    申请号：US15300512

    申请日：2015-01-23

    Applicant: NEC Corporation

    Inventor： Eisuke Saneyoshi ,  Koji Kudo ,  Ryo Hashimoto ,  Kosuke Homma ,  Takahiro Toizumi

    IPC: G01R21/133 ,  G01R21/06

    Abstract: A monitoring device (10) includes a unit-specific waveform data acquisition unit (11) that acquires waveform data in a unit in which electrical devices are installed; a first inference unit (13) that infers change in operation states of at least some of the electrical devices based on a first monitoring difference group including at least one of at least one kind of feature amount extracted from waveform data of a difference between waveform data of a first timing and waveform data of a second timing in the waveform data, and a differences of at least one kind of feature amounts extracted from the waveform data of the first timing and the waveform data of the second timing, and training difference information regarding a difference between a first operation state and a second operation state of each of the electrical devices; and a second inference unit (14) that infers an operation state of each of the electrical devices based on an inference result of the first inference unit (13).

    Monitoring device, monitoring system, monitoring method, and non-transitory storage medium
    9.
    发明授权
    Monitoring device, monitoring system, monitoring method, and non-transitory storage medium 有权

    公开(公告)号：US10114051B2

    公开(公告)日：2018-10-30

    申请号：US15300496

    申请日：2015-01-23

    Applicant: NEC Corporation

    Inventor： Eisuke Saneyoshi ,  Ryo Hashimoto ,  Kosuke Homma ,  Koji Kudo ,  Takahiro Toizumi

    IPC: G01R13/04 ,  G01R21/133 ,  G01R21/06

    Abstract: A monitoring device (10) includes: a unit-specific waveform data acquisition unit (12) that acquires unit-specific monitoring waveform data which is waveform data of at least one among total current consumption, a total input voltage, and total power consumption in a unit in which monitoring target electrical devices are installed; a first inference unit (13) that infers operation states of at least some of the monitoring target electrical devices based on a 1st feature amount group including at least one kind of feature amount extracted from the unit-specific monitoring waveform data, and a training feature amount which is a feature amount of each of the monitoring target electrical devices in a predetermined operation state; and a second inference unit (14) that infers the operation states of some of the monitoring target electrical devices based on a 2nd feature amount group including at least one kind of feature amount extracted from the unit-specific monitoring waveform data, and different from the 1st feature amount group and the training feature amount.

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