# US 10,483,903 B2 · Control device of home energy management system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,483,903 B2 - Document ID: US10483903B2 - Status: Granted - Kind: B2 - Application number: 15/669,487 - Filed: 2017-08-04 - Published: 2018-02-08 - Granted: 2019-11-19 - Earliest claimed: 2016-08-05 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Dongmin Son; Jiyoung Lee - Web page: https://patentgrep.com/patent/US10483903B2 ## CPC - G06Q 10/0631: Resource planning, allocation, distributing or scheduling for enterprises or organisations - G05B 15/02: electric - G06Q 50/06: Energy or water supply - H02S 10/10: including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems (combinations with gas-turbine plants F02C6/00) - H04L 12/2807: {Exchanging configuration information on appliance services in a home automation network (arrangements for maintenance or administration involving network analysis for automatically determining the actual topology of a network H04L41/12; hardware or software tools for network management using graphical user interfaces H04L41/22; address allocation H04L61/50)} - H04L 12/2816: {Controlling appliance services of a home automation network by calling their functionalities (arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station; in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom H04Q9/00)} - G05B 2219/2642: Domotique, domestic, home control, automation, smart house - H02J 2105/42: Home appliances - Y02B 10/10: Photovoltaic [PV] - Y02B 70/30: Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level - Y02B 70/3225: Demand response systems, e.g. load shedding, peak shaving - Y02E 10/56: Power conversion systems, e.g. maximum power point trackers - Y04S 10/50: Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications - Y04S 20/20: End-user application control systems - Y04S 20/222: Demand response systems, e.g. load shedding, peak shaving - Y04S 20/242: Home appliances - G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR - G05B: CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS (systems for controlling or regulating non-electric variables G05D; systems for regulating electric or magnetic variables G05F; control devices or systems insofar as characterised by mechanical features only G05G) - H02S: GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES (obtaining electrical energy from radioactive sources G21H1/12; light sensitive inorganic semiconductor devices H10F; light sensitive organic semiconductor devices H10K30/00; thermoelectric devices H10N10/00; pyroelectric devices H10N15/00) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION - Y04S: SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS ## Abstract Provided is a control device of a home energy management system (HEMS). The control device includes a communication unit connected to an HEMS gateway, a storage unit configured to store information on power consumption of each of home appliances connected to the HEMS gateway, and a control unit configured to predict a power generation amount of a photovoltaic (PV) module connected to the HEMS gateway and generate information on usable time of each of the home appliances on the basis of the predicted result and the information on the power consumption. ## Claims ### Claim 1 A control device of a home energy management system (HEMS) having a plurality of home appliances, the control device comprising: a communication interface connected to an HEMS gateway; a storage configured to store first information on power consumption of each of the home appliances connected to the HEMS gateway and second information in which each of the home appliances is used for each time zone; and a controller configured to: predict a power generation amount as a time-based power generation amount of a photovoltaic (PV) module connected to the HEMS gateway for time zones within a predetermined period, set, based on the second information, priorities of the home appliances differently according to the time zone, classify, for each time zone, at least one of the home appliances as an operable device on the basis of the predicted power generation amount, the first information, and the set priority, generate, based on the classifying result, an operation schedule of each of the home appliances for the time zones, and control an operation of each of the home appliances on the basis of the generated operation schedule. ### Claim 2 (depends on 1) The control device according to claim 1, wherein the controller is configured to classify at least one of the home appliances as the operable device so that the classified at least one of the home appliances is operable by using only power generated from the PV module. ### Claim 3 (depends on 1) The control device according to claim 1, wherein the controller is configured to predict the time-based power generation amount on the basis of at least one of power generation performance of the PV module, a weather forecast, past power generation amount information, and a sunlight irradiation angle. ### Claim 4 (depends on 1) The control device according to claim 1, wherein the storage is configured to store the priorities for the time zones of each of the home appliances, and wherein the controller is configured to classify at least one of the home appliances as the operable device on the basis of the predicted power generation amount, the first information, and the stored priority for each time zone. ### Claim 5 (depends on 1) The control device according to claim 1, wherein the controller is configured to transmit a control signal for controlling the operation of each of the home appliances to the HEMS gateway. ### Claim 6 (depends on 1) The control device according to claim 1, wherein the controller is configured to receive information on the power generation amount of the PV module for a first time zone among the time zones from the HEMS gateway, calculate a difference between the received power generation amount for the first time zone and the predicted power generation amount for the first time zone, and change the operation schedule for the first time zone on the basis of the received power generation amount for the first time zone when the calculated difference is larger than a reference value. ### Claim 7 (depends on 1) The control device according to claim 1, wherein the controller is configured to transmit to a terminal the generated operation schedule. ### Claim 8 A home energy management system (HEMS) gateway comprising: a communication interface configured to connect to a photovoltaic (PV) module and a plurality of home appliances; a storage configured to store first information on power consumption of each of the home appliances and second information in which each of the home appliances is used for each time zone; and a controller configured to: predict a power generation amount as a time-based power generation amount of the PV module for time zones within a predetermined period, set, based on the second information, priorities of the home appliances differently according to the time zone, classify, for each time zone, at least one of the home appliances as an operable device on the basis of the predicted power generation amount, the first information, and the set priority, generate, based on the classifying result, a first operation schedule of each of the home appliances for the time zones, and control an operation of each of the home appliances on the basis of the generated first operation schedule. ### Claim 9 (depends on 8) The HEMS gateway according to claim 8, wherein the storage is configured to store the priorities for the time zones of the home appliances, wherein the controller is configured to classify at least one of the home appliances as the operable device on the basis of the predicted power generation amount, the first information, and the stored priority for each time zone. ### Claim 10 (depends on 9) The HEMS gateway according to claim 9, wherein the controller is configured to receive information on the power generation amount of the PV module for a first time zone among the time zones, calculate a difference between the received power generation amount for the first time zone and the predicted power generation amount for the first time zone, and change the first operation schedule for the first time zone on the basis of the received power generation amount for the first time zone when the calculated difference is larger than a reference value. ### Claim 11 (depends on 8) The HEMS gateway according to claim 8, wherein the controller is configured to determine whether each of the home appliances is operable by using only power generated from the PV module on the basis of the predicted result and the first information of each of the home appliances, generate a second operation schedule of each of the home appliances on the basis of the determined result, and control the operation of each of the home appliances on the basis of the generated second operation schedule.