Patent application number | Description | Published |
20090037576 | DATA ANALYZING SYSTEM AND DATA ANALYZING METHOD - A data analyzing system includes an input-output device, a plurality of local analyzing devices, a center analyzing device and a connecting device which connects between the input-output device, the local analyzing devices, and the center analyzing device. The connecting device may receive and execute a forwarding setting command from the input-output device to select and set one or more devices, to which the command from the input-output device should be forwarded, from the local analyzing devices and the center analyzing device and forward a command different from the forwarding setting command transmitted from the input-output device to the devices, in which forwarding is set, and forward data or command transmitted from the local analyzing devices and the center analyzing device, in accordance with destinations described in the data or the command. | 02-05-2009 |
20090249002 | INFORMATION COLLECTION APPARATUS, METHOD, AND PROGRAM - An information collection apparatus which collects, from a plurality of devices each having a plurality of states including a power-supply state indicating ON or OFF of a power-supply, state information indicating a state of each device, the apparatus (a) stores, in a first memory, the power-supply state of each device, (b) receives state information transmitted from each device whose state is changed, (c) rewrites, when a power-supply state information indicating the power-supply state is received, the power-supply state stored in the first memory in accordance with the obtained power-supply state information, (d) collects periodically the state information from each device whose power-supply state stored in the first memory is ON by issuing, at regular intervals, a first request for the state information to the device, and (e) transmits the state information collected periodically to an external apparatus. | 10-01-2009 |
20090271235 | APPARATUS AND METHOD FOR GENERATING SURVIVAL CURVE USED TO CALCULATE FAILURE PROBABILITY - A part fault table indicating the number of days used, a fault flag and a first weight is generated for each of plural parts. A survival curve and a hazard function for each of the plural parts are also generated. Then, convergence is determined by calculating a hazard value using the hazard function for each part in the same group, calculating a second weight by normalization using the hazard value of each part and comparing the first and second weight with each other. Finally, a control operation is performed in such a manner that the convergence determination is terminated by outputting the survival curve or updates the first weight with the second weight, while a new survival curve and a new hazard function are generated from the part fault table using the updated first weight, after which the convergence determination is determined again. | 10-29-2009 |
20120078593 | CONSUMPTION ENERGY CALCULATING DEVICE - There is provided a consumption energy calculating device which simulates power consumption of a heating and cooling appliance operated by a customer living in a house. A first receiver and a second receiver receive a demand response signal and an external environmental factor parameter. A pain level model shows a relationship between an indoor air temperature and a pain level. A first calculator calculates, when the appliance is not in operation, the indoor air temperature of a next sample time. A second calculator calculates, when the appliance is in operation, determines the indoor air temperature of the next sample time. A working sequence generator determines whether the appliance is or not to be operated during the next sample time. The power consumption determination unit determines power consumption consumed by the appliance before the next sample time and outputs data showing the power consumption. | 03-29-2012 |
20120078818 | APPLIANCE COOPERATION OPERATION DEVICE - An appliance cooperation operation device in which a facility database stores an introduction cost of a power storage shared among a plurality of customers, and a rated life of the power storage; a facility deteriorating influence calculator calculates deteriorating influence on the power storage by using at least one parameter selected from a discharge rate of the power storage in a first period, depth of discharge at the end of the first period, and environmental temperature in the first period; a customer electric energy collector collects, from each of the customers, data of electric energy consumption in the first period; and a customer's burden cost calculator calculates a burden cost of each customer in the first period by multiplying: a ratio of energy consumption of each customer to total customer energy consumption; the introduction cost; a ratio of the first period to the rated life; and the deteriorating influence. | 03-29-2012 |
20120205457 | HOT WATER SUPPLY APPARATUS - According to one embodiment, a hot water supply apparatus calculates a value representing an ordinary index for the hot water usage of each hot water destination, determines hot water supply whose value is less than a threshold as hot water supply of low ordinary, and determines hot water supply whose value is not less than the threshold as hot water supply of high ordinary. The apparatus also calculates a first boiling-up amount for the hot water supply determined as the hot water supply of low ordinary, and calculates a second boiling-up amount for the hot water supply determined as the hot water supply of high ordinary. | 08-16-2012 |
20120209567 | EXISTENT PERSON COUNT ESTIMATION APPARATUS - According to one embodiment, an existent person count estimation apparatus includes motion sensors and following units. The collection unit generates human sensing information. The instance prediction unit predicts second instances from the first instances by using the transition matrix. The likelihood calculation unit calculates likelihoods of the second instances using the time information items. The instance selection unit selects one or more third instances having likelihoods higher than a threshold. The output unit generates output information including estimate values of existent person counts for the first areas included in the third instances. | 08-16-2012 |
20120239217 | ENERGY REDUCING APPARATUS - An energy reducing apparatus includes: an input module through which to input a target energy consumption value; an acquiring module configured to acquire energy consumptions of plural apparatus every measurement period; a totaling module configured to calculate sums of energy consumptions of each of the apparatus in a prescribed period based on energy consumptions measured every measurement period; a calculating module configured to calculate a first index indicating a deviation between an average value of past energy consumptions and a current energy consumption based on energy consumptions measured every measurement period and the sums for each of the apparatus; and an allocating module configured to allocate an energy consumption to each of the apparatus so that the energy consumption value is satisfied by preferentially reducing the energy consumption of an apparatus whose first index is small. | 09-20-2012 |
20120245868 | RESERVE CAPACITY CALCULATING APPARATUS AND METHOD THEREFOR, AND COMPUTER READABLE MEDIUM - A power consumption distribution calculator uses a predicted outdoor temperature sequence of the customer house for a prediction period at a first date from a first time to a second time, and identifies dates having a sequence part similar to the predicted outdoor temperature sequence in the prediction period, identifies power consumption sequences corresponding to identified dates, and calculate a statistical distribution or a representative value of identified power consumption sequences for a whole period from a third time to the second time, the third time being earlier than the first time. A power consumption predicting unit calculates a predicted power consumption sequence in the prediction period based on the statistical distribution or the representative value. A reserve capacity calculating unit calculates reserve capacity being a difference between a predicted power consumption sequence and a sequence part in the prediction period of the reference power consumption sequence. | 09-27-2012 |
20120330477 | DR COUNTERMEASURE PROPOSAL DEVICE AND METHOD THEREOF - There is provided a DR (Demand Response) countermeasure proposal device in which the communication unit receives a power consumption reduction, the rule database stores instrument control rules related to instruments, the rule ranking history database stores information on a ranking of the instrument control rules, the display displays the instrument control rules according to the ranking, the rule ranking changing unit changes the ranking of the instrument control rules in response to an instruction input from the customer, the DR execution unit selects at least one instrument control rule by execution of which the power consumption reduction request is satisfied in descending order of the ranking of the instrument control rules, and executes the at least one instrument control rule to control operation of at least one instruments related thereto. | 12-27-2012 |
20130066791 | DEVICE AND METHOD FOR DETERMINING STORAGE BATTERY RENTAL CAPACITY - There is provided a device for determining a rental capacity of a storage battery in which an appliance load predicting unit predicts a demand amount of a household electrical appliance; a power generator predicting unit predicts a power generation amount of a power generator; a constraint condition creating unit creates a constraint condition including first and second constraint expressions, the former matching the predicted demand amount with total electric power supplied to the household electrical appliance and the latter matching the predicted power generation amount with a sum of a power sale amount to the power supplier, a charge amount into the storage battery, and a supply amount to the household electrical appliance; an objective function creating unit creates an objective function based on a sale benefit function, a rental benefit function, a purchase cost function; and an optimization computing unit optimize the objective function to obtains a rental capacity. | 03-14-2013 |
20130253719 | ENERGY MANAGEMENT APPARATUS, ENERGY MANAGEMENT METHOD AND MEDIUM - According to one embodiment, energy manager includes first estimator, second estimator, creator and controller. First estimator estimates power amount of power generator. Second estimator estimates energy demand. Creator creates schedule of devices based on estimated power amount and energy demand. Controller controls the devices based on the schedule. Second estimator includes storage, extractor and calculator. Storage accumulates load data. Extractor extracts load patterns including different load data. Calculator calculates weight for each of extracted patterns. Creator includes simulator and scheduler. Simulator simulates evaluated value of each schedule based on the pattern and weight. Scheduler creates schedule based on evaluated value. | 09-26-2013 |
20130253890 | BEHAVIORAL MODEL GENERATING DEVICE AND METHOD THEREFOR - There is provided a behavioral model generating device in which a first pattern generator selects behavioral patterns from all the behavioral patterns in behavioral pattern groups by duplicate sampling according to a weighting factor of each group, and adds modification to each pattern to generate first behavioral patterns, a second pattern generator generates device operation patterns from the first behavioral patterns, a power consumption calculator calculates power consumption data based on the device operation patterns, an evaluation selector selects behavioral patterns from the first behavioral patterns by duplicate sampling according to a likelihood of the calculated power consumption data with respect to measured power consumption data, a first updater merges a pair of most similar groups out of all the groups including a group of the selected behavioral patterns and sets a weighting factor of the merged group as a sum of respective weighting factors of the pair. | 09-26-2013 |
20140012427 | ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, PROGRAM SERVER APPARATUS, AND CLIENT APPARATUS - According to one embodiment, energy management system includes client and server. Server includes acquisition unit, estimation unit, calculator and controller. Acquisition unit acquires, from the client, data concerning electrical equipment of a customer to which a power grid supplies power. Estimation unit estimates energy demand of electrical equipment based on acquired data. Calculator calculates operation schedule of electrical equipment, which can optimize energy balance of customer, based on the estimated energy demand. Controller transmits control information to control electrical equipment based on calculated operation schedule to client. | 01-09-2014 |
20140100805 | STATUS ESTIMATION APPARATUS, STATUS ESTIMATION METHOD - According to an embodiment, a status estimation apparatus includes detector, calculator, estimator and specifying unit. Detector detects a status change of any of electrical devices based on measurement data of a current flowing in a distribution line supplies power to the devices. Calculator calculates a current waveform change and a power change associated with the status change based on the measurement data. Estimator estimates a candidate originating from the status change based on the current waveform change. Specifying unit specifies a device caused the status change and a type of the status change based on the power change and an estimation result of the candidate. | 04-10-2014 |
20140142772 | ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, PROGRAM, SERVER APPARATUS, AND LOCAL SERVER - According to an embodiment, energy management system includes estimating module, preparing module and controller. Estimating module estimates energy demand of a home, and obtains estimated value of energy demand of home. Estimating module estimates energy generation amount and obtains estimated value of the generation amount. Preparing module prepares discharge strategy, based on the estimated energy demand and generation amount. Discharge strategy maximizes balance obtained by subtracting power purchase profit and loss from power selling profit, by using a push-up effect. The controller controls discharge of the energy storage, based on actual values of the energy demand and the generation amount, and the discharge strategy. | 05-22-2014 |
20140142774 | ENERGY MANAGEMENT SYSTEM, SERVER, ENERGY MANAGEMENT METHOD, AND STORAGE MEDIUM - According to an embodiment, energy management system includes client and server. Server includes acquisition unit, estimation unit, calculator and controller. Acquisition unit acquires data concerning electrical equipment in a building including a storage battery from client. Estimation unit estimates energy demand and energy generation amount in building based on the data. Calculator calculates, based on the energy demand and the energy generation amount, operation schedule of the electrical equipment to optimize energy balance in building under a constraint that minimizes dump power to be discarded after storage battery is fully charged. Controller creates control information to control electrical equipment based on operation schedule. | 05-22-2014 |
20140163908 | ELECTRICAL DEVICE MONITORING APPARATUS, METHOD THEREOF AND SYSTEM - In one embodiment, a calculator calculates power consumed by devices and a feature at a time interval on a current and/or a voltage of a power supplier, a generating unit calculates a difference between the power consumption at the starting time and each power consumption and a difference between the feature at the starting time and each feature, in a first period from the starting time, for each device, creates, for each combination of the devices, a set of learning data including power consumption differences of devices therein and a sum of feature differences of the devices therein, generates a model to estimate, as a function of a first variable indicating the sum of feature differences, second variables indicating power consumption differences of each device, a estimating unit estimates power consumption of each device based on the model and the feature, the feature being given to the first variable. | 06-12-2014 |
20140214219 | ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, MEDIUM, AND SERVER - According to an embodiment, an energy management system includes estimator, calculator, creator and controller. Estimator estimates energy demand of customer to obtain estimated demand, and estimates power generation amount of renewable power generator to obtain estimated power generation amount. Calculator calculates operation schedule of nonrenewable power generator based on estimated demand and estimated power generation amount. Creator creates strategy maximizes difference between electricity cost loss and profit using push up effect by discharge of battery based on estimated demand and power generation amount, and schedule. Controller controls discharge of battery based on actual value of demand and power generation amount, schedule and strategy. | 07-31-2014 |
20140257583 | ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, COMPUTER-READABLE MEDIUM, AND SERVER - According to an embodiment, energy management system manages energy of customer, having vehicle with battery, and a power generator. Energy management system includes estimator, creator, and controller. Estimator estimates demand of customer to obtain demand estimated value, and estimates power production amount of power generator to obtain production amount estimated value. Creator creates discharge strategy capable of maximizing differential between electricity purchase loss and electricity selling profit using push up effect of sold electricity amount by discharging battery under constraint for use of battery. Controller controls discharge of the battery based on actual values of demand, production amount, and discharge strategy. | 09-11-2014 |
20140257584 | ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, MEDIUM, AND SERVER - According to an embodiment, energy management system manages energy of customer, including water heater uses renewable energy as heat source. Energy management system includes acquisition unit, estimator, creator and controller. Acquisition unit acquires data concerning energy associated apparatuses including water heater, power generator, battery and energy consuming device from customer. Estimator estimates energy demand and supply of customer based on the data. Creator creates operation schedules based on the estimated demand and supply so as to minimize energy cost of customer under a condition that surplus power to be discarded when the battery is fully charged is minimized. Controller controls energy associated apparatuses based on the operation schedules. | 09-11-2014 |
20140257585 | ENERGY MANAGEMENT SYSTEM, ENERGY MANAGEMENT METHOD, AND MEDIUM - According to an embodiment, energy management system manages energy of customer, including a power generation device configured to generate power derived from renewable energy and a battery capable of being charged and discharged. System includes estimator, creator and controller. Estimator estimates energy demand of customer to obtain an estimated demand, and estimates the power generation amount of the power generation device to obtain an estimated power generation amount. Creator creates operation schedule of the battery, which can minimize electricity purchase cost using push up effect of electricity selling profit by discharging the battery, based on estimated demand and power generation amount. Controller controls battery based on operation schedule. | 09-11-2014 |
20140379311 | ESTIMATION SYSTEM, ESTIMATION APPARATUS, AND ESTIMATION METHOD - According to an embodiment, an estimation system estimates the power generation amount of a photovoltaic power generation unit. The estimation system includes a calculation unit and a coefficient optimization unit. The calculation unit calculates the estimated value of the power generation amount from the estimated value of a solar irradiance based on a power generation coefficient that converts the solar irradiance into the power generation amount. The coefficient optimization unit adaptively changes the power generation coefficient. | 12-25-2014 |