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公开(公告)号：US20170018962A1
公开(公告)日：2017-01-19
申请号：US15100005
申请日：2014-09-18
Inventor： Noriyoshi SHIMIZU , Takashi NISHIYAMA
IPC: H02J13/00 , G01R21/133
CPC classification number: H02J13/0006 , G01R21/133 , G06Q50/06
Abstract: An operation state determination system includes a receiver, a first memory and a determiner. The determiner is configured to compare, at a prescribed determination time point, a power value stored in the first memory with a reference value to determine whether or not an electric load connected to a branch circuit is in operation, and output a signal in accordance with a determination result. The determiner is further configured to determine that the electric load is in operation at the prescribed determination time point, when a time period during which the power value is equal to or more than the reference value occurs within a comparison time in past before the prescribed determination time point.
Abstract translation: 操作状态确定系统包括接收器，第一存储器和确定器。 确定器被配置为在规定的确定时间点将存储在第一存储器中的功率值与参考值进行比较，以确定连接到分支电路的电负载是否在运行，并且根据 确定结果。 确定器还被配置为当在规定的确定时间点之前的比较时间内发生功率值等于或大于参考值的时间段时，确定电负载正在运行， 时间点。
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公开(公告)号：US20170011304A1
公开(公告)日：2017-01-12
申请号：US15114297
申请日：2015-01-07
Inventor： Noriyoshi SHIMIZU
CPC classification number: G06N7/005 , G06F1/266 , G06N20/00 , H02J13/00 , H02J13/0006 , H02J13/001 , Y02B70/3266 , Y02B90/226 , Y04S10/40 , Y04S20/16 , Y04S20/242
Abstract: An appliance inference device includes a receiver, a first storage, an analyzer, an inference module and a second storage. The first storage stores pieces of power information in each of which a value of electric power received by the receiver is correlated with a time. When a piece of power information stored in the first storage satisfies a prescribed condition, the analyzer classifies the piece of power information as a group corresponding to the condition. The inference module checks the piece of power information classified as the group by the analyzer with appliance information stored in the second storage, thereby inferring the name of an electrical appliance corresponding to the group. The second storage stores the appliance information, with the information correlated with the name of the electrical appliance.
Abstract translation: 设备推理装置包括接收器，第一存储器，分析器，推理模块和第二存储器。 第一存储器存储由接收机接收的电功率值与时间相关联的功率信息。 当存储在第一存储器中的电源信息满足规定条件时，分析器将功率信息分类为与条件对应的组。 推理模块通过分析仪将存储在第二存储器中的设备信息检查分类为组的功率信息，从而推断与该组对应的电器的名称。 第二存储器存储设备信息，其中的信息与电器的名称相关。
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公开(公告)号：US20170017215A1
公开(公告)日：2017-01-19
申请号：US15100150
申请日：2014-09-18
Inventor： Noriyoshi SHIMIZU
CPC classification number: G05B15/02 , G05B2219/2639 , G06Q10/04 , G06Q10/0631 , G06Q50/06 , H02J3/00 , H02J13/0017 , H02J2003/003 , H02J2003/007
Abstract: A demand prediction system includes a receiver, a memory, an extractor, a model generator and a predictor. The extractor is configured to extract consumption periods for branch circuits, during each of which power is consumed once. The model generator is configured to generate models. Each model includes: an order in which the consumption periods have occurred; amounts of electric power respectively consumed during the consumption periods; and start time points and duration times, of the consumption periods. The model generator is further configured to calculate transition probabilities between the models. The predictor configured to predict, as a prediction result, an amount of electric power that is demanded in a prediction period defined as a time period after a determination time point, based on: a certain model in past before the determination time point, of the models; and a transition probability corresponding to the certain model.
Abstract translation: 需求预测系统包括接收器，存储器，提取器，模型发生器和预测器。 提取器被配置为在每个功率消耗一次时提取分支电路的消耗周期。 模型生成器被配置为生成模型。 每个模式包括：消费期发生的顺序; 在消费期间分别消耗的电力量; 并启动消费期间的时间点和持续时间。 模型生成器还被配置为计算模型之间的转移概率。 预测器，被配置为基于：在确定时间点之前的某个模型，预测在确定时间点之后的时间段中定义的预测周期中所需的电力量作为预测结果; 楷模; 以及对应于某一模型的转移概率。
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Patent Agency Ranking
公开(公告)号：US20160371593A1
公开(公告)日：2016-12-22
申请号：US15122327
申请日：2015-02-12
Inventor： Takashi NISHIYAMA , Noriyoshi SHIMIZU , Tomohiko FUJITA , Tomoharu NAKAHARA
CPC classification number: G06N5/046 , G06N7/005 , G06Q30/0201 , G08B21/0423 , G08B21/0484
Abstract: An inferrer calculates, for each kind of living activities, an occurrence probability defining a probability that a corresponding living activity occurs, based on an operational state of an electric appliance determined by a detector for each of sections at an inference target time by use of prior probabilities, first conditional probabilities, and second conditional probabilities, and infers that a living activity having a highest occurrence probability has occurred at inference target time. Prior probabilities each define a probability at which a corresponding living activity occurs in one day. First conditional probabilities each define active and inactive probabilities of electric appliance belonging to a corresponding section under a condition where a corresponding living activity occurs. Second conditional probabilities each define probabilities of occurrence of a corresponding living activity within respective time periods divided from one day under a condition where a corresponding living activity occurs.
Abstract translation: 推测器根据由推定目标时间的每个部分的检测器确定的电器的操作状态，通过使用先前的方法，针对每种生活活动计算定义相应生活活动发生概率的发生概率 概率，第一条件概率和第二条件概率，并推断在推理目标时间发生了具有最高发生概率的活动。 先前的概率各自定义在一天内相应的生活活动发生的概率。 第一条件概率各自定义在相应生活活动发生的条件下属于相应部分的电器的有功和无效概率。 第二条件概率各自定义在相应的生活活动发生的条件下从一天中分离的相应生活活动的发生概率。
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公开(公告)号：US20160366496A1
公开(公告)日：2016-12-15
申请号：US15039182
申请日：2014-10-20
Inventor： Takashi NISHIYAMA , Noriyoshi SHIMIZU , Tomoharu NAKAHARA , Sho IKEMURA
CPC classification number: H04Q9/02 , G06Q10/04 , G06Q10/06 , G06Q10/06315 , G06Q30/0202 , G06Q30/0206 , G06Q50/06 , H02J3/00 , H02J3/14 , H02J13/0006 , H02J2003/003 , H02J2003/143 , H02J2003/146 , Y02B70/3225 , Y02B70/3266 , Y04S20/222 , Y04S20/224 , Y04S20/242
Abstract: A receiver acquires power values respectively consumed through two or more branch circuits. A first memory stores power information in association with relevant information that relates to the power information. The power information includes date and time, and a power value corresponding to each branch circuit. A feature extractor extracts a feature value in the power information of each branch circuit. A rule extractor sets the relevant information to an explanatory condition for a change in the feature value, and extracts a rule for deriving the feature value from the explanatory condition. A predictor, when a target value is set to the building for power saving in an object period, acquires the relevant information in the object period, and applies the rule to the relevant information acquired so as to predict the feature value corresponding to each branch circuit in the object period.
Abstract translation: 接收机获取分别通过两个或更多个分支电路消耗的功率值。 第一存储器存储与功率信息相关的相关信息相关联的功率信息。 功率信息包括日期和时间，以及对应于每个分支电路的功率值。 特征提取器提取每个分支电路的功率信息中的特征值。 规则提取器将相关信息设置为特征值变化的说明条件，并从说明条件中提取用于导出特征值的规则。 预测器，当目标值被设置为在物体周期内用于省电的建筑物时，获取对象周期中的相关信息，并且将该规则应用于获取的相关信息，以便预测与每个分支电路对应的特征值 在对象期间。
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公开(公告)号：US20170116686A1
公开(公告)日：2017-04-27
申请号：US15317377
申请日：2015-06-09
Inventor： Tomohiko FUJITA , Noriyoshi SHIMIZU , Tomoharu NAKAHARA , Takashi NISHIYAMA
CPC classification number: G06Q50/06 , G05B15/02 , G06F1/3287 , H02J3/32
Abstract: In order to reduce demand power on utility grid through electrical energy storage and suppress reduction in remaining capacity of electrical energy storage, power supply control apparatus includes judging module and estimator. Judging module judges whether to allow electrical energy storage to feed power into electrical load within target period while electrical energy storage in building is requested to feed power into electrical load. Estimator performs estimation of present state in which user of electrical load is present in building or absent state in which user is absent from building. Judging module judges to allow electrical energy storage to feed power when estimation by estimator is present state, within target period and judges to prohibit electrical energy storage from feeding power when estimation by estimator is absent state, within target period.
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公开(公告)号：US20170109467A1
公开(公告)日：2017-04-20
申请号：US15127959
申请日：2015-02-12
Inventor： Noriyoshi SHIMIZU , Takashi NISHIYAMA , Fumiyoshi MUKOYAMA , Tomoharu NAKAHARA
IPC: G06F17/50 , G06N5/04 , G01R21/133
CPC classification number: G06F17/5045 , G01R21/00 , G01R21/1331 , G06F2217/78 , G06N5/04 , G06Q10/06 , G06Q50/06
Abstract: A behavior prediction device includes an acquisition interface for acquiring a power consumption value by an electric load for each of branch circuits divided inside a distribution board in an object space (a dwelling), and a predictor for working out a stop time based on power information in which the power consumption value is related with date and time at which the power consumption value is acquired. The stop time is a time at which the power consumption value will fall to a predetermined reference value. Based on the stop time, the predictor predicts a kind of specified behavior of a user in the object space and a time at which the behavior will occur.
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公开(公告)号：US20170108351A1
公开(公告)日：2017-04-20
申请号：US15317096
申请日：2015-07-01
Inventor： Noriyoshi SHIMIZU
Abstract: A power usage estimation device includes an acquisition unit, a first storage unit, an analysis unit, an estimation unit, and a second storage unit. The first storage unit stores pieces of power information each including a corresponding one of power values acquired by the acquisition unit and a day and a time which are associated with the corresponding one of the power values. The analysis unit classifies one or more pieces of power information satisfying a predetermined condition, of the pieces of power information stored in the first storage unit per day, into one of groups which corresponds to the predetermined condition. The estimation unit estimates power usage of a branch circuit by comparing the one or more pieces of power information of the groups stored in the second storage unit between a plurality of days having identical attributes.
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