JP7012247B2 - State estimation system, state estimation method and program - Google Patents

Description

The present invention relates to a state estimation system, a state estimation method and a program, and more particularly to a state estimation system, a state estimation method and a program for estimating the state of a person in a facility.

Conventionally, there is an energy management system that estimates the living behavior (state) of a resident (person) of a dwelling unit (facility) (see Patent Document 1). In Patent Document 1, the energy management system estimates the state of a person in a facility from the usage of electric power in the facility.

Japanese Unexamined Patent Publication No. 2012-174030

In Patent Document 1, the energy management system (state estimation system) uses the power consumption of all circuits (main circuit, branch circuit) provided in the facility as information on resources used for estimating the state of a person. is doing. In Patent Document 1, the state of a person is estimated only by the information about electric power, but there is a state of a person who cannot be estimated only by the information about electric power.

Therefore, the present invention has been made in view of the above reasons, and an object of the present invention is to provide a state estimation system, a state estimation method, and a program capable of using information on appropriate resources for estimating a certain state of a person. do.

The state estimation system according to one aspect of the present invention includes an estimation unit and a selection unit. The estimation unit estimates the state of a person with respect to the facility. The selection unit selects at least one measurement information from the measurement group as estimation information used by the estimation unit for estimation or as non-estimation information not used by the estimation unit for estimation. The measurement group includes power measurement information related to power measurement in the facility and other types of measurement information related to a type of measurement different from the power measurement information. When the selection unit performs estimation for one state to be estimated in a plurality of time zones, the selection unit selects the estimation information or the non-estimation information from the measurement group for each estimation time zone. ..

The state estimation method according to one aspect of the present invention is a state estimation method by a computer, and includes an estimation step and a selection step. The estimation step estimates a person's condition with respect to the facility. The selection step selects at least one measurement information from the measurement group as estimation information used by the estimation step for estimation or as non-estimation information not used by the estimation step for estimation. The measurement group includes power measurement information related to power measurement in the facility and other types of measurement information related to a type of measurement different from the power measurement information. In the selection step, when estimation is performed in a plurality of time zones for one state to be estimated, the estimation information or the non-estimation information is selected from the measurement group for each estimation time zone. ..

The program according to one aspect of the present invention is a program for causing a computer to execute the state estimation method.

According to the present invention, appropriate resources can be used to estimate a certain state of a person.

FIG. 1 is a block diagram showing a configuration of a state estimation system according to the first embodiment of the present invention. FIG. 2 is a configuration diagram of a system including the same state estimation system. FIG. 3 is a diagram showing an example of a proposal screen displayed by the above-mentioned state estimation system. FIG. 4 is a diagram showing an example of a confirmation screen displayed by the same state estimation system.

Each embodiment and modification described below is merely an example of the present invention, and the present invention is not limited to the embodiment and modification. Even if it is not the embodiment and the modification, various changes can be made according to the design and the like as long as it does not deviate from the technical idea of the present invention.

(Embodiment 1)
The state estimation system, the state estimation method, and the program according to the present embodiment will be described.

(1) Overall Overview In this embodiment, a state estimation system having a function of estimating a person's state regarding a facility and a function of proposing information used for estimation will be described as basic functions. Here, the information used for estimation is at least one of information on measurement of electric power used in the facility and information on measurement of a type different from electric power. The information on the measurement of a type different from the electric power is, for example, the information on the measurement of the gas used in the facility and the information on the measurement of the water used in the facility. In addition, "estimating the state of a person" is to estimate whether or not a person has taken a specific action.

In the present embodiment, the "facility" means a facility of an electric power consumer, and is not only a facility that receives electric power from an electric power company such as an electric power company, but also a private power generation facility such as a solar power generation facility. Includes facilities that receive power. In this embodiment, a detached house will be described as an example of a facility. The facility is not limited to a detached house, but may be a dwelling unit of an apartment house, an office building, a commercial facility, a hospital, a welfare facility, a hotel, a factory, or the like.

In the present embodiment, the state estimation system 10 included in the computer system is configured by the server 1 as shown in FIGS. 1 and 2. The server 1 acquires information about the device from the device used in the facility 5. The equipment used in the facility 5 includes various types of equipment installed in the facility 5, such as a lighting fixture 51, an air conditioning device 52, an outlet (outlet) 53, a toilet 54, a shower 55, a bath 56, a water heater 57, and a sensor 58. It is a device. That is, the equipment used in the facility 5 is not limited to the electric equipment that consumes electric power, and may be equipment that consumes resources other than electric power (for example, water, gas, etc.). Further, the equipment used in the facility 5 is not limited to the equipment used by the user, and may be a sensor 58 (for example, a temperature sensor, a humidity sensor, etc.) for measuring the environmental state of the facility 5. In addition, the equipment used in the facility 5 includes, for example, a wall switch and the like. When it is not necessary to distinguish between these devices, each device is referred to as "device 50".

As shown in FIG. 2, the local device 40 acquires power data related to power consumption in the facility 5 from the measurement system 20 provided in the facility 5. The measurement system 20 measures the power consumption amount as consumption data for each of the plurality of branch circuits 70 in the facility 5. The device 50 is connected to each of the plurality of branch circuits 70 in the facility 5. The device 50 connected to the branch circuit 70 is, for example, an electric device provided in the facility 5, for example, which consumes electric power. The device 50 is, for example, a lighting device 51, an air conditioning device 52, an outlet (outlet) 53, a rice cooker, a washing machine, a dishwasher, a water heater, a cooking appliance, and the like.

Further, the local device 40 acquires water amount data related to water consumption and gas data related to gas consumption.

As shown in FIG. 2, the server 1 is connected to the measurement system 20 provided in the facility 5 via the network 4. The measurement system 20 measures at least one of the power consumption and the power consumption amount as a measured value for each of the plurality of branch circuits 70 in the facility 5. Further, the measurement system 20 measures the amount of water used in the facility 5 and the amount of gas used.

Further, as shown in FIG. 2, the server 1 is connected to the information terminal 3 provided with the display unit 31 via the network 4. The information terminal 3 displays the information output by the state estimation system 10 (server 1) on the display unit 31. The information displayed on the display unit 31 is, for example, information proposed by the server 1 (information used for estimation).

(2) Configuration Next, the configurations of the state estimation system 10, the measurement system 20, the local device 40, and the information terminal 3 according to the present embodiment will be described.

(2.1) Measurement System First, the configuration of the measurement system 20 of the present embodiment will be described.

As shown in FIG. 2, the measurement system 20 includes a measurement unit 21, a communication adapter 22, and current sensors 23 and 24. Of these, the measurement unit 21, the communication adapter 22, and the current sensors 23 and 24 are arranged in the cabinet of the distribution board 6. The distribution board 6 includes a main breaker 61 electrically connected to the system power supply 8 and a plurality of branch breakers 62 electrically connected to the secondary side of the main breaker 61 in the cabinet.

The measuring unit 21 is electrically connected to the current sensors 23 and 24. The current sensor 23 is provided on the primary side of the main circuit breaker 61 and measures the value of the current flowing through the main line. The plurality of current sensors 24 are provided corresponding to the plurality of branch breakers 62, and measure the value of the current flowing through the plurality of branch circuits 70, respectively. The "branch circuit" here means each circuit branched from the main line by a plurality of branch breakers 62. The branch circuit 70 includes wiring connected to the branch breaker 62, a lighting fixture 51, an air conditioner 52, cooking appliances, an outlet (outlet) 53, a wall switch, and the like. In the facility 5 consisting of a detached house as in the present embodiment, such a branch circuit 70 is provided for each room such as a living room, a bedroom, an entrance, a toilet, a children's room, a kitchen, an air conditioning device 52, and a lighting appliance 51. , Installed for each type of equipment such as cooking appliances. One branch circuit 70 may include one device 50, or may include a plurality of devices 50.

The measuring unit 21 measures at least one of power consumption and power consumption for each of the trunk line and the plurality of branch circuits 70 by using the outputs of the current sensors 23 and 24. The communication adapter 22 transmits the measured value measured by the measuring unit 21 to the local device 40 provided in the facility 5 as the measured value of the measuring system 20.

In short, the measured value of the measuring system 20 includes at least one of the power consumption and the electric energy measured by the measuring unit 21 for each of the plurality of branch circuits 70 in the facility 5. That is, the measured value may be power consumption representing instantaneous power consumption, or may be power consumption amount representing power consumption (usage amount) in a certain period of time. Further, the measured value may be both power consumption and electric energy consumption. In the present embodiment, as an example, the measured value is the amount of power consumption obtained by integrating the power consumption at a fixed time (for example, every 30 minutes from the hour).

Further, the measurement unit 21 is electrically connected to the water meter 91. In this embodiment, the water meter 91 has a pulse transmitter. The measuring unit 21 measures the amount of water used in the facility 5 by counting the pulses transmitted by the water meter 91. In the present embodiment, the measuring unit 21 measures the amount of water used in the toilet 54, the shower 55, the bath 56, the washroom, and the like.

Further, the measuring unit 21 is electrically connected to the gas meter 92. In this embodiment, the gas meter 92 has a pulse transmitter. The measuring unit 21 measures the amount of gas used in the facility 5 by counting the pulses transmitted by the gas meter 92. In the present embodiment, the measuring unit 21 measures the amount of gas used in the water heater 57 or the like.

The communication adapter 22 transmits the measured value measured by the measuring unit 21 to the local device 40 as the measurement data measured by the measuring system 20. That is, the measurement data of the measurement system 20 includes a measurement value regarding the amount of electricity used, a measurement value regarding the amount of water used, and a measurement value regarding the amount of gas used.

(2.2) State estimation system Next, the configuration of the state estimation system 10 of the present embodiment will be described.

As described above, the state estimation system 10 is configured by the server 1 in this embodiment. The server 1 can communicate with the information terminal 3 and the local device 40 via the network 4.

The server 1 acquires the power consumption amount (power data) measured by the measurement system 20 as time-series data for each branch breaker 62 (branch circuit 70) via the local device 40. The server 1 acquires the water usage amount (water amount data) and the gas usage amount (gas data) measured by the measurement system 20 as time-series data via the local device 40. The server 1 periodically acquires the detection result of the sensor 58 from the local device 40. Here, the sensor 58 is, for example, a temperature sensor that measures the temperature of the place where the sensor 58 is installed, or a humidity sensor that measures the humidity of the place where the sensor 58 is installed. Further, the sensor 58 may be an air quality sensor that measures air pollution at the place where the sensor 58 is installed, or may be an illuminance sensor that measures the illuminance at the place where the sensor 58 is installed. In short, the sensor 58 may be any device that measures the environmental state of the facility 5, such as the temperature, humidity, air quality, and illuminance of the facility 5.

The server 1 is predetermined based on at least one data (accumulated data) of the power data, the water amount data, the gas data, and the measurement result (detection data) of the sensor 58 acquired for each branch breaker 62 (branch circuit 70). The state of the person in the facility 5 is estimated according to the algorithm. For example, the server 1 estimates whether or not the person has returned home as the state of the person.

In this embodiment, the branch circuit 70, the water meter 91, the gas meter 92, and the sensor 58 may be collectively referred to as “equipment”.

As shown in FIG. 1, the server 1 includes a storage unit 11, a processing unit 12, and a communication unit 13. The server 1 has a CPU (Central Processing Unit) and a memory. The function of the processing unit 12 is realized by the CPU executing the program stored in the memory. The program is provided here through a telecommunication line such as the Internet or recorded in a recording medium such as a memory card, but may be recorded in advance in the memory of a computer.

The storage unit 11 is composed of a device selected from a ROM (Read Only Memory), a RAM (Random Access Memory), an EEPROM (Electrically Erasable Programmable Read Only Memory), and the like.

The storage unit 11 associates the power data in the facility 5 acquired from the measurement system 20 with the name of the corresponding branch circuit 70 and the time when the measured value is measured, and the power measurement information related to the power measurement in the facility 5. Remember as. Here, the name of the branch circuit 70 is different for each branch circuit 70. As a result, the plurality of branch circuits 70 are individually identified. When the branch circuit 70 includes only one device 50, the name of the device 50 may be assigned to the branch circuit 70. For example, when the branch circuit 70 includes only the air-conditioning device as the device 50, the name of the branch circuit 70 may be the name assigned to the air-conditioning device.

The storage unit 11 associates the water amount data and the gas data in the facility 5 acquired from the measurement system 20 with the name of the corresponding meter (water meter 91 or gas meter 92) and the measured time, and has a type different from the electric power. Store as other types of measurement information related to measurement. Further, the storage unit 11 stores the detection data acquired from the local device 40 as other types of measurement information in association with the name of the detected sensor 58, the place where the sensor 58 measures, and the measured time. When it is not necessary to distinguish between the power measurement information and the other type measurement information, the power measurement information and the other type measurement information are collectively referred to as "measurement information".

The storage unit 11 stores all the estimation target devices registered for estimating the state of the person in the facility 5 in a specific time zone among the plurality of branch circuits 70, the water meter 91, the gas meter 92, and the sensor 58. ing. Here, the estimation target device is an equipment used for the estimation target. Specifically, the storage unit 11 stores measurement information corresponding to all the estimation target devices for estimating the state of the person in the facility 5 as estimation information.

The storage unit 11 stores the first time zone information representing the above-mentioned specific time zone (hereinafter, also referred to as “first time zone”) for each state of the person to be estimated. The specific time zone is a time zone in which the person in the facility 5 may perform a specific action. By storing (registering) the first time zone information, it is possible to estimate the state of a person in a specific time zone.

For example, when the state estimation system 10 (server 1) estimates the return of the person in the facility 5, the storage unit 11 sets the time zone (16:) in which the person in the facility 5 may return home as a specific time zone. It is stored as the first time zone information representing 00 to 18:00). When the state estimation system 10 estimates the bathing of a person in the facility 5, the storage unit 11 uses a time zone (22:00 to 23:00) when the person in the facility 5 may take a bath as a specific time zone. Is stored as the first time zone information representing. When the state estimation system 10 estimates the cooking of the person in the facility 5, the storage unit 11 uses the time zone (18:00 to 20:00) in which the person in the facility 5 may cook as a specific time zone. Is stored as the first time zone information representing. When the state estimation system 10 estimates the person in the facility 5 to go out, the storage unit 11 uses a time zone (08: 00 to 16:00) in which the person in the facility 5 may go out as a specific time zone. Is stored as the first time zone information representing. When the state estimation system 10 estimates the sleep of the person in the facility 5, the storage unit 11 uses the time zone (23:00 to 06:00) when the person in the facility 5 may sleep as a specific time zone. Is stored as the first time zone information representing.

Further, when the state estimation system 10 estimates the TV viewing of the person in the facility 5, the storage unit 11 represents a first time zone in which the person in the facility 5 may watch TV as a specific time zone. Store as time zone information. When the state estimation system 10 estimates whether or not the person in the facility 5 is using the toilet, the storage unit 11 uses the storage unit 11 as a specific time zone in which the person in the facility 5 may use the toilet. Is stored as the first time zone information representing. When the state estimation system 10 estimates whether or not the person in the facility 5 is cleaning, the storage unit 11 represents a time zone in which the person in the facility 5 may be cleaning as a specific time zone. It is stored as the first time zone information. When the state estimation system 10 estimates the dressing of the person in the facility 5, the storage unit 11 stores it as the first time zone information indicating the time zone in which the person in the facility 5 may be dressed as a specific time zone. do.

The storage unit 11 stores the second time zone information representing a predetermined time zone (hereinafter, referred to as “second time zone”) for each state of the person to be estimated. The second time zone information is used to select the estimation information to be used for estimation based on the accumulated data corresponding to each of the plurality of equipment, and the estimation unit 16 determines the state of the person in the facility 5 in the first time zone. Used to estimate. Further, in the present embodiment, the second time zone and the first time zone are the same time zone.

As shown in FIG. 1, the processing unit 12 includes a selection unit 14, a proposal unit 15, an estimation unit 16, a first input unit 17, and a second input unit 18.

The selection unit 14 selects at least one measurement information as estimation information from the measurement group including the power measurement information and the measurement information of other species for each state of the person to be estimated (returning home, bathing, cooking, etc. described above). do. Specifically, the selection unit 14 estimates measurement information about at least one of the plurality of branch circuits 70, the water meter 91, the gas meter 92, and the sensor 58 for each state of the person to be estimated. Select from the measurement group as.

The selection unit 14 is at least one equipment (estimation target) used for estimation based on changes in accumulated data in the second time zone in the predetermined period with the past day as a predetermined period from a plurality of equipment. Equipment) is requested. The selection unit 14 selects measurement information including the name of the obtained estimation target device from the measurement group as estimation information.

For example, the selection unit 14 obtains one or more equipments and devices in which accumulated data including a predetermined change pattern appears in the second time zone among the plurality of equipments and devices as estimation target devices. Here, the predetermined change pattern is, for example, a pattern in which the used state of the branch circuit 70, the water meter 91, and the gas meter 92 changes from unused to used. The sensor 58 is a pattern that changes according to the detection result. For example, when the sensor 58 is a temperature sensor, the detected temperature gradually decreases. For example, when a person in facility 5 returns home and activates an air conditioner (cooling), the temperature of the room gradually decreases.

The predetermined period for obtaining the estimation target device is not limited to one day, but may be a period consisting of a plurality of consecutive days (for example, 3 days, 1 week, 1 month). Alternatively, the predetermined period may be a period consisting of a plurality of discontinuous days. As a plurality of discontinuous days, for example, a plurality of days on the same day of the week. That is, the predetermined period for obtaining the estimation target device may be a period including at least one second time zone.

Based on the instruction from the user, the selection unit 14 registers the estimation information corresponding to the obtained estimation target device as the information used in the estimation of the estimation unit 16. Specifically, the selection unit 14 stores (registers) the estimation information corresponding to each of the obtained estimation target devices in the storage unit 11.

In addition, the selection unit 14 selects the upper predetermined number of equipments and devices having the largest change amount (degree of change) based on the changes in the accumulated data in the second time zone for each of the plurality of equipments and devices. May be sought as. Alternatively, the selection unit 14 selects the upper predetermined number of equipments and devices having the highest frequency of appearance based on the number of times the accumulated data changes in the second time zone (frequency of appearance of change patterns) for all of the plurality of equipments and devices. , Each may be obtained as an estimation target device.

The proposal unit 15 proposes the estimation information selected by the selection unit 14 to the user. Specifically, the proposal unit 15 proposes to the user the name of the estimation target device included in the estimation information and the information regarding the accumulated data of the estimation target device. The proposal unit 15 represents a graph showing changes in the accumulated data in the second time zone in a predetermined period using the accumulated data included in the estimation information for all the estimation information selected by the selection unit 14. Generate graph information. When the predetermined period has a plurality of days, the graph may represent the average of the accumulated data (measured values) for the plurality of days, or may represent the accumulated data of one day out of the plurality of days. .. Alternatively, the accumulated data of all days may be represented, or the accumulated data of a part of time may be represented.

The proposal unit 15 is the information on the screen displayed on the information terminal 3, and the names of all the devices to be estimated, the generated graph information, and the screen information including the first time zone are transmitted to the information terminal 3 via the communication unit 13. Send to. The proposal unit 15 proposes to the user an estimation target device according to the estimation information used for estimation by displaying the screen on the information terminal 3 based on the screen information. When the estimation target device is a branch circuit 70 and includes only one device 50, proposing the estimation target device (branch circuit 70) can be rephrased as proposing the device 50 as the estimation target. can.

The estimation unit 16 estimates the state of the person in the facility 5 in the first time zone using the accumulated data contained in one or more estimation information stored in the storage unit 11. Specifically, the estimation unit 16 estimates the state of the person in the facility 5 in the first time zone based on the change in the accumulated data in the second time zone included in the one or more estimation information.

For example, it is assumed that the storage unit 11 stores three estimation information. The estimation unit 16 is a facility 5 when a predetermined pattern change is included in the accumulated data in the second time zone included in at least one of the three estimation information stored in the storage unit 11. It is presumed that the person in the first time zone performed a specific action. Specifically, the first time zone information represents the time zone when the person in the facility 5 returns home, and the estimation target devices corresponding to the three estimation information stored in the storage unit 11 are a plurality of branch circuits 70. It is assumed that it is either a water meter 91 or a gas meter 92. In this case, when the estimation target device 16 confirms the use of the estimation target device from the accumulated data in the second time zone for at least one of the three estimation target devices, the person at the facility 5 returns home. I presume that it was done. The estimation unit 16 estimates that the person at the facility 5 has not returned home when the use of the estimation target device is not confirmed from the accumulated data in the second time zone for all three estimation target devices.

When the estimation unit 16 estimates that the person in the facility 5 performed the action according to the first time zone in the first time zone, the other person in the facility 5 indicates that the person in the facility 5 performed the action. Notify (user of information terminal 3). Specifically, the estimation unit 16 transmits the estimation result information indicating that the person in the facility 5 has performed the action to the information terminal 3.

The first input unit 17 receives the first time zone information for each state of the person who is the estimation target received by the information terminal 3 by operating the information terminal 3 via the communication unit 13. The first input unit 17 stores the received first time zone information in the storage unit 11. Further, the first input unit 17 receives the second time zone information received by the information terminal 3 by the user operating the information terminal 3 via the communication unit 13. The first input unit 17 stores the received second time zone information in the storage unit 11.

The second input unit 18 receives registration information that is information received by the information terminal 3 when the user operates the information terminal 3 and indicates whether or not to register the estimation target device. The second input unit 18 outputs the received registration information to the selection unit 14. At this time, when the registration information indicates that the estimation target device is to be registered, the selection unit 14 registers all the selected estimation target devices in the storage unit 11, that is, the storage unit 11 stores the names of all the estimation target devices. Remember in.

By being connected to the network 4, the communication unit 13 enables communication between the server 1 and the information terminal 3 and between the server 1 and the local device 40.

(2.3) Local device Next, the configuration of the local device 40 of the present embodiment will be described.

The local device 40 is, for example, a local device of HEMS (Home Energy Management System).

As shown in FIG. 1, the local device 40 includes a processing unit 41, a first communication unit 42, and a second communication unit 43. The local device 40 has a CPU and a memory. The function of the processing unit 41 is realized by the CPU executing the program stored in the memory. The program is provided here through a telecommunication line such as the Internet or recorded in a recording medium such as a memory card, but may be recorded in advance in the memory of a computer.

The processing unit 41 acquires information on the power consumption of each of the branch circuits 70 in the facility 5 measured by the measurement system 20, associates the acquired power consumption of the facility 5 with the date and time, and stores the branch circuit 70 in the storage area. Temporarily memorize each time. The processing unit 41 periodically transmits the power consumption of the measurement system 20 stored in the storage area for each branch circuit 70 and the associated date and time from the first communication unit 42 to the server 1. Specifically, the processing unit 41 associates the power consumption with the name and date and time of the corresponding branch circuit 70, and transmits the power consumption to the server 1.

The processing unit 41 acquires information related to the amount of water used measured by the measuring system 20 and information related to the amount of gas used, and temporarily stores the acquired information in the storage area in association with the date and time. The processing unit 41 periodically transmits information related to the amount of water used stored in the storage area and the associated date and time from the first communication unit 42 to the server 1. The processing unit 41 periodically transmits information related to the amount of gas stored in the storage area and the associated date and time from the first communication unit 42 to the server 1.

Further, the processing unit 41 acquires the detection data from the sensor 58 via the second communication unit 43, associates the acquired detection data with the date and time, and temporarily stores the detection data in the storage area. The processing unit 41 periodically transmits the detection data stored in the storage area and the associated date and time from the first communication unit 42 to the server 1.

The first communication unit 42 is, for example, a communication interface compliant with the Ethernet (registered trademark) standard. The first communication unit 42 can communicate with the server 1 via the router 7 and the network 4. The first communication unit 42 may perform wired communication or wireless communication with the router 7.

The second communication unit 43 is a communication interface for wirelessly communicating with the communication adapter 22 and the sensor 58 of the measurement system 20. The second communication unit 43 is, for example, a low-power radio communication interface that does not require a license for a radio station. For this type of low-power radio, specifications such as frequency band and antenna power to be used are specified in each country according to the application. In Japan, low-power radios (specified low-power radios) that use radio waves in the 920 MHz band or 420 MHz band are specified. The second communication unit 43 receives the measured values (power consumption) of the main line and the plurality of branch circuits 70 from the communication adapter 22 by wireless communication. The second communication unit 43 transmits information for controlling the device 50 by wireless communication to the device 50 to be controlled. Although the second communication unit 43 is configured to perform wireless communication in the present embodiment, it may be wired communication.

(2.4) Information Terminal Next, the configuration of the information terminal of the present embodiment will be described.

As shown in FIG. 1, the information terminal 3 includes a processing unit 32, a communication unit 33, an input unit 34, and a storage unit 35, in addition to the display unit 31. The information terminal 3 has a CPU and a memory, and the CPU executes a program stored in the memory to make the computer function as a processing unit 32. The program is provided here through a telecommunication line such as the Internet or recorded in a recording medium such as a memory card, but may be recorded in advance in the memory of a computer. The information terminal 3 functions to display at least the information provided from the server 1 by installing the dedicated application software and starting the application software.

In the example of FIG. 2, the information terminal 3A is a smartphone outside the facility 5, the information terminal 3B is a smartphone inside the facility 5, and the information terminal 3C is a dedicated monitor used inside the facility 5. For example, the information terminal 3C is a dedicated monitor compatible with HEMS.

The display unit 31 is a thin display device such as a liquid crystal display or an organic EL (electroluminescence) display.

The processing unit 32 has a function of creating a screen to be displayed on the display unit 31 and displaying the created screen on the display unit 31 by controlling the display unit 31. That is, the information terminal 3 installs the dedicated application software and activates the application software to realize the function as the processing unit 32 for controlling the display unit 31.

The communication unit 33 is connected to the network 4 to enable communication between the information terminal 3 and the server 1 (state estimation system 10). Here, since the information terminal 3A is a smartphone located outside the facility 5, the communication unit 33 is connected to the network 4 via the mobile phone network (carrier network) provided by the communication carrier. The mobile phone network includes, for example, a 3G (third generation) line, an LTE (Long Term Evolution) line, and the like. The communication unit 33 may be connected to the network 4 via a public wireless LAN (Local Area Network). Since the information terminal 3B is a smartphone in the facility 5, short-range wireless communication compliant with, for example, Wi-Fi (registered trademark) is performed with the router 7. Since the information terminal 3C is a dedicated monitor in the facility 5, it is connected to the router 7 with a LAN cable. Since the router 7 is connected to the network 4, the information terminals 3B and 3C are also connected to the network 4 via the router 7. Although the information terminal 3C is configured to perform wired communication in the present embodiment, it may communicate with the router 7 by wireless communication.

The input unit 34 has a function of accepting an operation of the owner of the information terminal 3. In the present embodiment, the information terminal 3 is a smartphone equipped with a touch panel display, and the touch panel display functions as a display unit 31 and an input unit 34. Therefore, in the following description, various touch operations on the buttons on the screen displayed on the display unit 31 are referred to as "tap" and the like. However, the input unit 34 is not limited to the touch panel display, and may be, for example, a keyboard, a pointing device, a mechanical switch, or the like.

The storage unit 35 is composed of an electrically rewritable non-volatile semiconductor memory such as a flash memory.

The information terminal 3 can function to display the information provided by the server 1 by the above configuration. The information terminal 3 is not limited to a configuration in which the screen displayed on the display unit 31 can be viewed using dedicated application software. For example, the information terminal 3 may be able to browse the screen with a browser. In this case, it is not necessary to install the dedicated application software.

(3) Operation explanation (3.1) State estimation system The operation of the state estimation system according to the present embodiment will be described below.

The program according to the present embodiment is a program for the state estimation system 10 (server 1) to realize a function of estimating the state of a person in the facility 5 and a function of selecting information to be used for estimation. That is, the program according to the present embodiment is a program for making the computer of the server 1 function as a selection unit 14, a proposal unit 15, an estimation unit 16, a first input unit 17, and a second input unit 18.

When the estimation target device is selected, the estimation information is not stored in the storage unit 11, that is, the estimation target device is not registered (initial state), and the registered estimation target information (estimation target device). May be changed (updated).

First, the operation of the server 1 in the initial state will be described.

When the estimation target device is not registered in the storage unit 11, the selection unit 14 has at least one estimation target device based on the change in the accumulated data of the plurality of equipment devices in the second time zone in a predetermined period. Ask for. For example, the selection unit 14 sets one or more equipments in which the accumulated data has a predetermined change pattern as the equipment to be estimated. The selection unit 14 selects measurement information corresponding to each of the obtained one or more equipments as estimation information from the measurement group.

The proposal unit 15 uses the accumulated data of the estimation information (measurement information) corresponding to the estimation target device for each of the one or more estimation target devices obtained by the selection unit 14 in the second time zone. Generates graph information that represents a graph that represents changes in accumulated data. The proposal unit 15 transmits screen information including the first time zone information, the names of each of the obtained one or more estimation target devices, and the generated graph information to the information terminal 3 via the communication unit 13. For example, when there are three estimation target devices to be proposed, the proposal unit 15 generates graph information for each of the three estimation target devices. The proposal unit 15 transmits the first time zone information, the name of each of the three estimation target devices, and the screen information including the graph information of each of the three estimation target devices to the information terminal 3.

When the selection unit 14 receives the registration information via the second input unit 18, the selection unit 14 applies to all the estimation target devices proposed by the proposal unit 15 when the registration information indicates that the estimation target device is registered. The corresponding estimation information is registered (stored) in the storage unit 11.

It should be noted that the selection unit 14 does not always have to use all the equipment when obtaining the equipment to be estimated. For example, the selection unit 14 may obtain the equipment to be estimated by using the remaining equipment excluding the equipment that does not change from all the equipment. In addition, as equipment that is excluded from the estimation target equipment, equipment that is not used at all, equipment that changes but changes by less than a predetermined amount of change, and equipment that changes periodically by automatic control There are equipment that is changing, equipment that seems inappropriate from the name of the equipment, etc.

Further, the selection unit 14 selects the upper predetermined number of equipment and devices having the largest average change amount (degree of change) based on the changes in the accumulated data of all the plurality of equipment and devices in the second time zone in the predetermined period. Each may be obtained as an estimation target device. For example, the amount of change is the difference from the standby power to the peak value of the power consumption when the equipment is the branch circuit 70.

Alternatively, the selection unit 14 estimates the upper predetermined number of equipment and devices having the highest frequency of appearance based on the frequency of appearance of the change pattern of the accumulated data measured in a predetermined period for all of the plurality of equipment and devices. It may be requested as a device. For example, the selection unit 14 has the highest number of equipments having the highest frequency of appearance, based on the frequency of change patterns appearing in the accumulated data of the second time zone in a predetermined period for all of the plurality of equipments. Each device may be obtained as an estimation target device.

Alternatively, the selection unit 14 may obtain a change pattern for each day for a plurality of days, and may obtain an estimation target device based on the frequency of days when a predetermined change pattern occurs in the same time zone. In this case, it is possible to suppress erroneous proposals when a predetermined change pattern occurs only for one day in that time zone.

Next, a case where the registered estimation information is changed (updated), that is, the estimation target device is changed (updated) will be described. The estimation information (equipment to be estimated) is changed, for example, when the equipment (equipment 50, water, gas) used by the person in the facility 5 to perform a specific action is changed. Further, although there is no change in the equipment (equipment 50, water, gas) used by the person in the facility 5 when performing a specific action, for example, the equipment 50 connected to the estimation target equipment (branch circuit 70) is changed. This is done when there is a change in power consumption.

After the estimation information is registered in the storage unit 11, the selection unit 14 determines whether or not the estimation information registered in the storage unit 11 should be changed, and when it is determined that the estimation information should be changed, the selection unit 14 newly estimates. Select the information for use.

After the estimation information is registered in the storage unit 11, the selection unit 14 monitors all of the plurality of equipment and devices for changes in the accumulated data in the second time zone in a predetermined period. The selection unit 14 obtains one or more equipment in which a predetermined change pattern appears in the accumulated data in the second time zone in a predetermined period. In the selection unit 14, the first group consisting of the names of one or more obtained equipment and the second group consisting of the names of the estimation target devices included in the estimation information stored in the storage unit 11 coincide with each other. Judge whether or not. The concept of the first group and the second group here includes the case of one.

If they do not match, the selection unit 14 determines that the estimation information is changed. That is, the determination as to whether or not the first group and the second group match can be read as the determination as to whether or not the estimation information should be changed.

When the selection unit 14 determines that the estimation information should be changed, the selection unit 14 selects the measurement information corresponding to each of the newly obtained one or more equipments from the measurement group as the estimation information.

When the estimation information is selected based on the amount of change in the accumulated data, the selection unit 14 stores the first group consisting of the names of the equipment included in all the selected measurement information and the storage unit 11. It may be determined whether or not the second group consisting of the names of the estimation target devices included in all the estimation information matches. If the selection unit 14 does not match, the selection unit 14 determines that the estimation information should be changed. Alternatively, the selection unit 14 is estimated to be included in the first group consisting of the names of the upper predetermined number of equipments and devices having the highest frequency of appearance of the change pattern of the accumulated data and the predetermined number of estimation information stored in the storage unit 11. It may be determined whether or not the second group consisting of the names of the target devices matches. Even in these cases, the determination as to whether or not the first group and the second group match can be read as the determination as to whether or not the estimation information registered in the storage unit 11 should be changed.

Since the subsequent operations are the same as the operations described in the operation of the server 1 in the initial state, the description thereof will be omitted.

(3.2) Information terminal Next, the operation of the information terminal 3 will be described.

The processing unit 32 of the information terminal 3 receives screen information from the server 1 via the communication unit 33. The processing unit 32 generates the proposal screen 100 based on the screen information and displays it on the display unit 31.

When the user performs a predetermined operation while the proposal screen 100 is displayed on the display unit 31, the processing unit 32 displays a confirmation screen 150 inquiring whether to accept the estimation information corresponding to the estimation target device. Displayed at 31. Here, the confirmation screen 150 may be displayed overlapping with the proposal screen 100, or may transition from the proposal screen 100 to the confirmation screen 150. Alternatively, the content of the proposal screen 100 and the content of the confirmation screen 150 may be displayed on the same screen.

The input unit 34 receives a response to an inquiry as to whether or not to register the estimation information corresponding to the estimation target device by user operation. The processing unit 32 transmits the registration information corresponding to the response received by the input unit 34 to the server 1.

Hereinafter, the proposal screen 100 and the confirmation screen 150 will be described.

First, the proposal screen 100 will be described.

As shown in FIG. 3, the proposal screen 100 includes a graph display area 101 and an information display area 102. The reference numeral and the alternate long and short dash line surrounding the reference code and the region in FIG. 3 are shown only for the sake of explanation and are not displayed on the actual screen. The same applies to FIG.

In the graph display area 101, the name of the estimation target device and the graph showing the change of the accumulated data (measured value) of the estimation target device in the time zone including the second time zone are displayed. Here, the names of the devices to be estimated are the name of the branch circuit 70, the name of the water meter 91, the name of the gas meter 92, and the name of the sensor 58. In FIG. 3, the graph display area 101 includes the names of the four estimation target device circuits (gas meter, water meter, bathroom branch circuit, bathroom humidity sensor) and the time including the second time zone of each estimation target device. A graph showing changes in accumulated data (measured values) in the band is displayed. The first time zone (here, from 22:00 to 23:00) is displayed in the information display area 102.

By displaying the proposal screen 100, the user of the information terminal 3 estimates the state of the person in the facility 5 in the first time zone (here, the time zone in which there is a possibility of taking a bath) for the displayed estimated target device. It is possible to judge whether or not it is suitable as a device to be used.

The graph of the estimation target device displayed on the proposal screen 100 is not essential as a display target. It is preferable that at least the names of all the estimation target devices are displayed on the proposal screen 100. Alternatively, when displaying the graphs for all the estimation target devices on the proposal screen 100, the graphs for only the first time zone may be displayed. Alternatively, only the graph may be displayed for some of the estimation target devices among all the estimation target devices, or the graph and the set of names may be displayed, and only the names may be displayed for the remaining estimation target devices. Further, of all the estimation target devices, only the name of some estimation target devices may be displayed, or the name and the set of graphs may be displayed, and only the graph may be displayed for the remaining estimation target devices.

Further, in the present embodiment, the name of the estimation target device is displayed, but when the estimation target device is the branch circuit 70, the name of the device 50 connected to the estimation target device may be displayed. .. Alternatively, both the name of the device to be estimated and the name of the device 50 connected to the device to be estimated may be displayed. In these cases, when a plurality of devices 50 are connected to the estimation target device, it is possible to know what kind of device 50 is connected to the estimation target device.

Further, by displaying the graph, the user can know the grounds for selecting the estimation information corresponding to the graph. That is, it can be said that the proposal unit 15 has a function of notifying the user of the grounds for selecting the measurement information as the estimation information by the selection unit 14.

Next, the confirmation screen 150 will be described.

As shown in FIG. 4, the confirmation screen 150 includes a first display area 151, a second display area 152, and a third display area 153. In the first display area 151, a message inquiring whether or not to register the estimation information corresponding to each of the displayed estimation target devices is displayed. The first button is displayed in the second display area 152, and the second button is displayed in the third display area 153. When the first button is tapped, the registration information indicating that the estimation information corresponding to the estimation target device is registered is transmitted to the server 1. When the second button is tapped, the registration information indicating that the estimation information is not registered is transmitted to the server 1.

The proposal screen 100 may be a screen for asking the user whether or not to register all the proposed estimation target devices. Alternatively, the proposal screen 100 may be a screen that allows the user to select any one or more of the proposed estimation target devices. For example, the information terminal 3 displays a check box associated with one or more proposed devices to be estimated. The user checks the check box corresponding to the device to be estimated used for estimation. In this case, the confirmation screen 150 may be a screen for confirming with the user whether or not to register the selected estimation target device.

(4) Specific Example The selection unit 14 selects at least one measurement information from the measurement group for each state of a plurality of human states as estimation information, using a specific example. Here, a plurality of sensors 58 are provided in the facility 5, a temperature sensor is provided as the sensor 58 in the living room, and a humidity sensor is provided as the sensor 58 in the bathroom. Further, in the living room, in addition to the temperature sensor, an air quality sensor and an illuminance sensor are provided as the sensor 58. In addition, an air purifier is provided in each room of the facility 5.

First, a case where returning home to the facility 5 is an estimation target will be described.

When a person at facility 5 returns home, it is assumed that the person has a habit of first washing his / her hands in the washroom, gargling, and then moving to the living room. In this case, since water is used, the measurement of the water meter 91 has changed. Further, since the moving room is moved to the living room, when the lighting fixture, the air purifier, etc. in the living room are activated, the measurement of the branch circuit 70 (first branch circuit) to which the lighting fixture, etc. in the living room is connected is changed. When the living room lights are turned on, the measurement of the illuminance sensor is changing. In addition, when the air purifier operates, the measurement of the air quality sensor has changed. Further, when the air conditioner is activated in the living room, the measurement of the branch circuit 70 (second branch circuit) to which the air conditioner is connected changes. In addition, the operation of the air-conditioning device causes a change in the measurement of the temperature sensor, which is a sensor provided in the living room.

The selection unit 14 is used for equipment such as a water meter 91, a first branch circuit, a second branch circuit, and a temperature, for which the measurement is changed in the second time zone (16:00 to 18:00) for estimating the return home. A sensor, an illuminance sensor, and an air quality sensor are obtained as estimation target devices. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, the case where bathing is an estimation target will be described.

When a person in the facility 5 takes a bath, the person uses the shower or stores hot water in the bathtub, so that the measurement of the water meter 91 is changed. Further, since the bathroom lighting is turned on, the measurement of the branch circuit 70 (third branch circuit) to which the bathroom lighting fixture is connected has changed. Further, when water (hot water) is heated by gas, the measurement of the gas meter 92 is changed. Furthermore, since the humidity of the bathroom is higher than that before bathing, the measurement of the humidity sensor is changed.

The selection unit 14 is equipped with equipment such as a water meter 91, a gas meter 92, and a third, whose measurement has changed in the second time zone (22:00 to 23:00) set as the time zone for estimating bathing. The branch circuit and the humidity sensor are obtained as the estimation target equipment. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, a case where cooking is an estimation target will be described.

When a person in the facility 5 cooks, the measurement of the branch circuit 70 (fourth branch circuit) to which the cooking appliance is connected changes when the person uses the cooking appliance, and the gas meter when the gas stove is used. There is a change in the measurement of 92. Further, since the kitchen lighting is turned on, the measurement of the branch circuit 70 (fifth branch circuit) to which the kitchen lighting fixture is connected has changed. The cooking appliances and the kitchen lighting fixtures may be connected to the same branch circuit 70.

The selection unit 14 is a device such as a fourth branch circuit (or a gas meter 92) in which the measurement is changed in the second time zone (18:00 to 20:00) set as the time zone for estimating cooking. ) And the fifth branch circuit are obtained as the estimation target device. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, a case where TV viewing is an estimation target will be described.

When a person in the facility 5 watches on a television installed in the living room, the person activates a lighting fixture, an air purifier, a television, or the like in the living room. As a result, there is a change in the measurement of the branch circuit 70 (the first branch circuit described above) to which the lighting fixtures and the like in the living room are connected. When the living room lights are turned on, the measurement of the illuminance sensor is changing. In addition, when the air purifier operates, the measurement of the air quality sensor has changed. Further, when the air conditioner is activated in the living room, the measurement of the branch circuit 70 (the above-mentioned second branch circuit) to which the air conditioner is connected changes. In addition, the operation of the air-conditioning device causes a change in the measurement of the temperature sensor, which is a sensor provided in the living room.

The selection unit 14 includes equipment such as a first branch circuit, a second branch circuit, an illuminance sensor, an air quality sensor, and equipment whose measurement changes in the second time zone set as the time zone for estimating TV viewing. Find the temperature sensor as the estimation target device. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, the case where the use of the toilet is the estimation target will be described.

When a person in the facility 5 uses the toilet, the person activates the lighting fixture of the toilet. As a result, there is a change in the measurement of the branch circuit 70 (sixth branch circuit) to which the toilet lighting fixture is connected. In addition, since water is flushed to the toilet bowl and hands are washed, the measurement of the water meter 91 has changed.

The selection unit 14 obtains equipment whose measurement has changed in the second time zone set as the time zone for estimating the use of the toilet, for example, the sixth branch circuit and the water meter 91 as the estimation target equipment. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, a case where cleaning is an estimation target will be described.

When a person in the facility 5 performs cleaning, the person connects the vacuum cleaner to an outlet provided in the room to be cleaned and operates the vacuum cleaner. In addition, since dust may fly during cleaning, it is conceivable to operate an air purifier installed in the room to be cleaned. As a result, the measurement of the branch circuit 70 (seventh branch circuit) assigned to the room to be cleaned has changed. With the operation of the air purifier, the measurement of the air quality sensor is changing.

The selection unit 14 obtains equipment whose measurement has changed in the second time zone set as the time zone for estimating cleaning, for example, the seventh branch circuit and the air quality sensor as the estimation target equipment. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, a case where plastic surgery is an estimation target will be described.

When a person in the facility 5 performs plastic surgery, the person uses a dryer, for example, in a washroom. As a result, the measurement of the branch circuit 70 (eighth branch circuit) assigned to the washroom has changed.

The selection unit 14 obtains equipment, for example, an eighth branch circuit, whose measurement has changed in the second time zone set as the time zone for estimating the plastic surgery, as the estimation target device. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, the case where sleep is the estimation target will be described.

When the person in the facility 5 sleeps, for example, gas and water are unused, and the lighting in the bedroom changes from the on state to the off state. As a result, there is a change in the measurement of the branch circuit 70 (9th branch circuit) connected to the lighting fixture in the bedroom. Specifically, the power in the ninth branch circuit changes from the rated power consumption to the standby power.

The selection unit 14 includes equipment such as a ninth branch circuit whose measurement has changed in the second time zone set as a time zone for estimating sleep, and a water meter 91 and a gas meter 92 to be in an unused state. Is obtained as an estimation target device. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

Next, the case where going out is the estimation target will be described.

When a person in the facility 5 goes out, for example, gas and water are unused, and the lighting in the living room changes from the on state to the off state. As a result, there is a change in the measurement of the branch circuit 70 (the first branch circuit described above) connected to the lighting fixture in the living room. Specifically, the power in the first branch circuit changes from the rated power consumption to the standby power.

The selection unit 14 includes equipment such as a first branch circuit whose measurement has changed in the second time zone set as a time zone for estimating going out, and a water meter 91 and a gas meter 92 to be in an unused state. Is obtained as an estimation target device. The selection unit 14 selects the measurement information corresponding to the obtained estimation target device from the measurement group as the estimation information.

The selection unit 14 is not limited to the configuration in which the estimation information is selected according to the result of comparing the predetermined change pattern with the accumulated data. A threshold value as a criterion for selecting or not selecting the estimation target device may be associated with each measurement information. The threshold is preferably different for each corresponding measurement information. The selection unit 14 compares the threshold value associated with the measurement information of the equipment whose measurement has changed in the second time zone with the peak value of the accumulated data in the second time zone, and according to the comparison result. Find the equipment to be estimated. For example, when the equipment 50, gas, water, etc. are used according to the state of the person such as returning home or cooking, the selection unit 14 is concerned when the peak value of the accumulated data of the equipment exceeds the corresponding threshold value. Find the equipment as the equipment to be estimated. Further, when the device 50, gas, water, etc. are not used depending on the state of the person such as sleeping or going out, the selection unit 14 always falls below the corresponding threshold value of the accumulated data of the equipment in the second time zone. If so, the equipment concerned is sought as the equipment to be estimated. Further, when the stored data of the equipment changes from a state in which the accumulated data of the equipment exceeds the corresponding threshold value to a state in which the data is below the threshold value, the selection unit 14 obtains the equipment and equipment as the estimation target equipment. As a result, it can be said that the selection unit 14 has a configuration in which measurement information is selected from the measurement group using the threshold value.

When a plurality of sensors 58 (for example, a plurality of temperature sensors) are installed in different places (rooms), the threshold values may be associated differently depending on the installed room. For example, the temperature set in the air conditioner may differ between the living room and the bedroom. Since the set temperature is different for each, the temperature change to be measured is different. Although the temperature value measured by the temperature sensor in the living room exceeds the threshold value, it is conceivable that the temperature value measured by the temperature sensor in the bedroom does not exceed the threshold value even though the air conditioning equipment in the bedroom is used. Therefore, it is not necessary to make the threshold value the same for all the sensors 58 provided in each room, and it is preferable to change the threshold value for the sensor 58 provided in each room according to the location. This makes it possible to set an appropriate threshold value according to the installation location of the sensor 58.

Further, the threshold value set for the equipment may be changed for each season. For example, the power consumption of the device 50 used when returning home may differ between spring and summer. When the air conditioner is started when returning home in both spring and summer, the power consumption when the air conditioner is started in summer is higher than that in spring. Therefore, it is preferable to make the threshold value different depending on the season. This makes it possible to set an appropriate threshold value according to the season.

Further, different threshold values may be set for the same equipment for each state of the person to be estimated.

Further, when the threshold value to be used is changed, the server 1 may include a notification unit for notifying the user that the threshold value has been changed. Specifically, the notification unit of the server 1 transmits notification information indicating that the threshold value has been changed to the information terminal 3. As a result, the user can recognize that the threshold value has been changed.

Further, the measurement information may be selected according to the attributes of the person such as the gender and age of the person. Further, as a threshold value associated with the same equipment, different values may be set according to the attribute. Differences in the power used when returning home may occur due to differences in age such as adults and children. For example, when a child returns home, he or she may operate an air conditioner in the living room and play a TV game in the living room. Adults, on the other hand, start preparing dinner in the kitchen when they return home after work. In this way, adults and children may have different behavior patterns when they return home, and the branch circuit 70 used is different (difference between living room and kitchen). Therefore, when estimating the return of a child, the threshold value for the branch circuit 70 assigned to the living room which is likely to be used is lowered, and when estimating the return of an adult, the living room which is unlikely to be used is used. Increase the threshold of the assigned branch circuit 70. By associating the threshold value according to the attribute of the person with the equipment, the server 1 (state estimation system 10) can perform more accurate estimation for each person.

Further, the threshold value associated with the equipment may be changed according to the information about the facility 5 such as the number of households. For example, when estimating cooking, the time required for cooking and the amount of ingredients used differ depending on the number of households. Therefore, the amount of electric power of the cooking appliances used is different. Or, when using a gas stove, the amount of gas used is different. Therefore, when the number of households is large, the threshold value for the branch circuit 70 (or gas meter 92) to which the cooking appliances to be used is connected is raised, and when the number of households is small, the branch circuit 70 (or the branch circuit 70 to which the cooking appliances to be used are connected) is connected. Alternatively, the threshold value for the gas meter 92) is lowered. By associating a threshold value according to information (number of households, etc.) about the facility 5 with the equipment, the server 1 (state estimation system 10) can perform more accurate estimation.

Further, the threshold value is not limited to the value that the comparison target is the measured value for the equipment. The threshold value may be compared with the usage time (duration) of the equipment. For example, suppose that there is a person who takes a shower immediately after returning home. The amount of water used varies from day to day, but the water usage time is almost constant. In this case, a threshold value in units of time is associated with the water meter 91, and the threshold value is compared with the usage time (duration) permitted to be used by measuring the water meter 91, so that the person's condition (returning home) Can be estimated. This makes it possible, for example, to reduce the possibility of falsely presuming that a family member who does not take a shower when returning home has returned home, that is, a more accurate estimation. It can be carried out.

Further, as described in the above specific example, the selection unit 14 is different from the electric power in addition to the branch circuit 70 for obtaining the electric power measurement information as the estimation target device according to the state of the person to be estimated. We are looking for equipment to obtain species information (measurement information of other species). For example, when the estimation target is returning home, in addition to the first branch circuit and the second branch circuit, a water meter 91, a temperature sensor, an illuminance sensor, and an air quality sensor are obtained as estimation target devices, respectively. That is, it can be said that the selection unit 14 has a configuration in which two or more estimation information of different types are selected from the measurement group.

As described above, the measurement information (estimation information) includes the accumulated data of the corresponding equipment. The stored data is either measurement data (power data, water amount data or gas data) measured by the measurement system 20 or detection data measured by the sensor 58, depending on the corresponding equipment. That is, it can be said that the measurement information (estimation information) has a structure including data representing the usage amount of resources such as electric power, water, and gas, or the environmental state of the facility 5.

As described above, the estimation unit 16 estimates the return home and the outing of the person in the facility 5. When the estimation unit 16 estimates that the person at the facility 5 returns home, he / she stays at the facility 5 until he / she is estimated to go out. When the estimation unit 16 estimates that the person in the facility 5 goes out, he / she will be absent from the facility 5 until he / she is estimated to return home. That is, when the estimation unit 16 estimates the return home and the outing of the person in the facility 5, the estimation unit 16 estimates the presence / absence of the person in the facility 5. Further, as described above, the estimation unit 16 estimates the bathing, cooking, sleeping, watching TV, using the toilet, and cleaning of the person in the facility 5. That is, it can be said that the estimation unit 16 has a configuration for estimating the behavior in the facility 5 for the person in the facility 5.

(Embodiment 2)
The state estimation system 10 of the present embodiment is different from the state estimation system 10 of the first embodiment in that the estimation information is selected based on the accumulated data in the combination of two or more equipments among the plurality of equipments. Is different. The same components as those in the first embodiment are designated by the same reference numerals, and the description thereof will be omitted as appropriate.

The storage unit 11 of the present embodiment further stores a plurality of correspondence information as information used for estimating the state of a person in the facility 5. Correspondence information is the combination of two or more equipment out of multiple equipment, and the change pattern in which the state of these equipment changes from unused to used in the second time zone, or the change from use to unused. It is information associated with the appearance order of patterns.

Hereinafter, the operation of the server 1 in this embodiment will be described.

First, the operation of the server 1 in the initial state will be described.

The selection unit 14 is used in the order of appearance included in the correspondence information of one of the plurality of correspondence information based on the change of the accumulated data of all the equipment in the second time zone in the predetermined period. Two or more equipments included in the correspondence information are obtained as estimation target equipments, respectively. The selection unit 14 selects measurement information corresponding to each of the two or more obtained equipments as estimation information from the measurement group.

The proposal unit 15 uses the accumulated data of the estimation information (measurement information) corresponding to the estimation target device for each of the two or more estimation target devices obtained by the selection unit 14 in the second time zone. Generates graph information that represents a graph that represents changes in accumulated data. The proposal unit 15 transmits screen information including the first time zone information, the names of each of the obtained one or more estimation target devices, and the generated graph information to the information terminal 3 via the communication unit 13.

When the selection unit 14 receives the registration information via the second input unit 18, the selection unit 14 applies to all the estimation target devices proposed by the proposal unit 15 when the registration information indicates that the estimation target device is registered. The corresponding estimation information is registered (stored) in the storage unit 11.

Next, a case where the estimation information registered in the storage unit 11 is changed (updated) will be described.

After the estimation information is registered in the storage unit 11, the selection unit 14 determines whether or not the estimation information registered in the storage unit 11 should be changed, and when it is determined that the estimation information should be changed, the selection unit 14 newly determines. Make a selection of information.

After the estimation information is registered in the storage unit 11, the selection unit 14 monitors all of the plurality of equipment and devices for changes in the accumulated data in the second time zone in a predetermined period. The selection unit 14 is included in the one correspondence information used in the appearance order included in the one correspondence information among the plurality of correspondence information based on the change of the accumulated data in the second time zone in the predetermined period. Ask for a set of two or more pieces of equipment. The selection unit 14 performs a first determination process and a second determination process. In the first determination process, the set of the names of the two or more installed devices obtained and the set of the names of the devices to be estimated included in the two or more estimation information stored in the storage unit 11 match. It is a process to determine whether or not. The second determination process is a process for determining whether or not the appearance order of the two or more installed devices and the appearance order of the two or more estimation target devices match.

When the selection unit 14 determines that at least one of the determination processes of both the first determination process and the second determination process does not match, the estimation unit 14 should change the estimation information registered in the storage unit 11. Judge. Here, performing both determination processes can be read as determining whether or not the estimation information registered in the storage unit 11 should be changed.

When it is determined that the estimation information should be changed, the selection unit 14 selects the measurement information corresponding to each of the two or more newly obtained equipments from the measurement group as the estimation information.

Since the subsequent operations are the same as the operations in the initial state, the description thereof will be omitted.

Next, the operation of the estimation unit 16 will be described.

The estimation unit 16 in the present embodiment is in the order of appearance described above based on the change in the power data in the second time zone of all the estimation target devices included in the two or more estimation information registered in the storage unit 11. , Judge whether the state of all the devices to be estimated has changed. Specifically, the estimation unit 16 changes or uses the states of all the estimation target devices from unused to used in the above-mentioned appearance order based on the changes in the power data in the second time zone of all the estimation target devices. Judges whether or not it has changed from to unused. If the determination result is affirmative, the estimation unit 16 estimates that the person in the facility 5 has performed a specific action in the first time zone, and transmits the estimation result information to the information terminal 3. For example, it is determined whether or not the accumulated data has changed in the predetermined appearance order of the three estimation target devices. If the determination result is affirmative, the estimation unit 16 estimates that the person at the facility 5 has performed a specific action during the first time zone. As a result, for example, the water meter 91 and the branch circuit 70 including the equipment 50 installed on the first floor (equipment to be estimated) and the branch circuit 70 including the equipment 50 installed on the second floor (equipment to be estimated) are accumulated in this order. If there is a change in the data, it can be estimated that the person will return home.

In addition, the selection unit 14 determines whether or not to change the estimation information registered in the storage unit 11, a set of names of two or more equipments and two or more registered in the storage unit 11. It is preferable to at least determine whether or not the set of names of the equipment to be estimated included in the estimation information matches.

(Modification example)
The modified examples are listed below. The modifications described below can be applied in combination with each of the above embodiments as appropriate.

In each of the above embodiments, the state estimation system 10 (server 1) is configured to select the branch circuit 70 as the estimation target device for measuring the electric power, but the configuration is not limited to this. The state estimation system 10 may select the main circuit as the estimation target device. That is, the state estimation system 10 may use a main circuit from a plurality of equipments as an estimation target device. Here, the main circuit is a circuit including a main breaker 61 and a plurality of branch circuits 70. The power data of the main circuit is obtained based on the measurement result of the current sensor 23. Although no significant change is seen in the power data of each of the plurality of branch circuits 70, the change in the power data in the main circuit may be large. In such a case, it is effective to use the main circuit as the estimation target device.

In each of the above embodiments, the state estimation system 10 is configured to propose an estimation target device, that is, estimation information, but is not limited to this configuration. The state estimation system 10 may select measurement information of equipment that is not used for estimation by the estimation unit 16 as non-estimation information. Among the plurality of equipment and devices, the state estimation system 10 obtains equipment and devices whose accumulated data in the second time zone does not match a predetermined change pattern as non-estimation target equipment. The state estimation system 10 selects the measurement information of the non-estimation target device from the measurement group as non-estimation information. The equipment not subject to estimation is not limited to equipment whose accumulated data in the second time zone does not match a predetermined change pattern. Equipment that is not subject to estimation is equipment that is not used at all, equipment that changes but changes with a change amount less than a predetermined amount, and equipment that changes periodically by automatic control. Equipment, equipment, etc. that are considered inappropriate from the names of equipment and equipment may be used.

When the non-estimation information is selected, the estimation unit 16 estimates the state of a person in the first time zone using the remaining equipment other than the equipment corresponding to the non-estimation information among the plurality of equipment. do.

In each of the above embodiments, the selection unit 14 is configured to select the estimation information based on the accumulated data of the measurement information, but the configuration is not limited to this. The selection unit 14 may select the measurement information specified by the user as the estimation information among all the measurement information included in the measurement group. When the non-estimation information is registered in the storage unit 11, the selection unit 14 selects the measurement information specified by the user from all the measurement information included in the measurement group as the non-estimation information. You may.

In each of the above embodiments, when a plurality of estimation information is selected, the selection unit 14 is configured to collectively register the selected plurality of estimation information in the storage unit 11, but the present invention is not limited to this. The selection unit 14 may register only the estimation information for which the user has instructed to register among the selected plurality of estimation information in the storage unit 11. For example, the information terminal 3 accepts input of individual response information as to whether or not to register for the estimation target device corresponding to each of the plurality of estimation information. The information terminal 3 transmits registration information including each of the plurality of estimation target devices and the corresponding individual response information to the server 1 (state estimation system 10). The selection unit 14 of the server 1 is based on a plurality of individual response information corresponding to each of the plurality of estimation target devices, and is estimated information corresponding to the estimation target device to which the user has instructed to register among the plurality of estimation information. Only registered in the storage unit 11.

In this case, the selection unit 14 selects measurement information (candidate information) that is a candidate for registration from the measurement group. The proposal unit 15 proposes an estimation target device corresponding to the candidate information. Among the candidate information, the selection unit 14 registers the candidate information corresponding to the estimation target device for which the user has instructed to register in the storage unit 11 as the estimation information. Similarly, in the case of batch registration in each of the above embodiments, the measurement information corresponding to the estimation target device proposed by the proposal unit 15 can be regarded as candidate information. Therefore, it can be said that the proposal unit 15 has a function of proposing the measurement information selected by the selection unit 14 to the user as candidate information. Further, it can be said that the selection unit 14 has a function of selecting at least one candidate information out of one or more candidate information as estimation information based on a user's instruction.

In each of the above embodiments, one second time zone is associated with one estimation target, but the configuration is not limited to this. A plurality of second time zones may be associated with one estimation target. When a plurality of people live in the facility 5, it is effective in estimating the state of each of these people. When estimating the return home of an elementary school child and a high school child, the time zone in which the elementary school child and the high school child may return may differ between the elementary school child and the high school child. In such a case, it is necessary to set the second time zone used for estimating the return of the child of the elementary school student to be different from the second time zone used for estimating the return of the child to the high school student. For example, the first time zone in which a child of an elementary school student may return home and the second time zone used for estimation are set from 15:00 to 16:00. The first time zone in which a high school child may return home and the second time zone used for estimation are set from 17:00 to 19:00. This makes it possible to estimate the same behavior for different people.

Further, when a plurality of second time zones are associated with one estimation target, estimation information may be selected for each second time zone. For example, when an elementary school child (child A) returns home, he / she takes actions such as washing hands in the washroom, gargling, and then moving to the living room. In addition, when a high school child (child B) returns home, he / she first goes to his / her own room (children's room), then wash his / her hands in the washroom and gargle. When estimating the return home for the child A, the water meter 91 and the branch circuit 70 assigned to the living room are obtained as the estimation target devices, and these measurement information are selected as the estimation information. When estimating the return home for the child B, the water meter 91 and the branch circuit 70 assigned to the child room are obtained as the estimation target devices, and these measurement information are selected as the estimation information.

Further, when a plurality of second time zones are associated with one estimation target and the non-estimation information is registered in the storage unit 11, the non-estimation information is selected for each second time zone.

In each of the above embodiments, the first time zone and the second time zone are configured to be the same time zone, but the configuration is not limited to this. At least a part of the first time zone and the second time zone may overlap, or there may be no overlapping part. When a person in the facility 5 takes an action in a specific time zone (first time zone), it is conceivable to use the device 50 or the like in a time zone before the first time zone as a preparation for the action. For example, by operating the air conditioner from outside, the air conditioner can be operated in a time zone (for example, 15:00 to 16:00) before the time zone (16:00 to 18:00) when there is a possibility of returning home. It is conceivable to activate and adjust the temperature of the room. Alternatively, it is also conceivable to start the air-conditioning device at a time zone (for example, 15:30 to 16:30) that partially overlaps with the time zone for returning home from the outside to adjust the temperature of the room. In these cases, rather than setting the second time zone and the first time zone to the same time zone, the time zone before the first time zone or the time zone partially overlapping with the first time zone is the second time. It may be adopted as a band.

It is not essential to set the first time zone and the second time zone. It may also be applied to a system that estimates behavior without specifying a time zone.

In each of the above embodiments, the estimation unit 16 may perform estimation using different estimation information depending on the season (time) when estimating the state of a person. Alternatively, the estimation unit 16 may perform estimation using different estimation information depending on the weather. In this case, when the selection unit 14 selects the estimation information of the estimation target device according to the winter season, one selection unit 14 is based on the change pattern of the accumulated data in the predetermined period in the past winter season. Select the above estimation information. Further, when the selection unit 14 selects the estimation information of the estimation target device according to the day when the weather is rainy, the selection unit 14 is based on the change pattern of the accumulated data in the predetermined period on the past rainy day. Select one or more estimation information. Further, the selection unit 14 may select the estimation information by combining at least two of a predetermined time zone (second time zone), a season, and a weather. In short, the selection unit 14 may select estimation information from power data and additional information including at least one of a predetermined time zone (second time zone), season (time), and weather. For example, the selection unit 14 corresponds to the branch circuit 70 including the dryer when estimating whether or not the person who uses the dryer before going to bed on a rainy day has gone to bed on a rainy day. Measurement information can be selected as estimation information. The estimation unit 16 estimates that the person in the facility 5 went to bed when the branch circuit 70 including the dryer was used in a specific time zone on a rainy day. Information on the weather may be obtained from an external server or the like.

In the proposal screen 100 described above, the device to be estimated is displayed, but the configuration is not limited to this. On the modified example proposal screen, all the equipment is displayed, and for the equipment to be estimated, symbols, figures, characters, etc. indicating that they are used for estimation are also displayed.

In each of the above embodiments, when the estimation target device is displayed on the display unit 31 on the proposal screen 100, information on the estimation target device (current target device) currently used for estimation is displayed in addition to the information on the estimation target device. You may. For example, the information about the estimation target device is a graph of the name of the estimation target device and the stored data, and the information about the current target device is a graph of the name of the current target device and the stored data.

In each of the above embodiments, the server 1 displays information about the estimation target device included in the estimation target device to be selected, and after displaying the information, selects the estimation information according to the user's instruction and registers it in the storage unit 11. It was configured. However, it is not limited to this configuration. The server 1 may register the estimation information in the storage unit 11 before displaying the estimation target device included in the estimation information, and then notify the user (post-notification). In this case, the selection unit 14 is one or more target circuits obtained based on the change in the accumulated data of all the plurality of equipment in the second time zone in the predetermined period when the initial state or the estimation information is changed. Select the estimation information (measurement information) corresponding to each from the measurement group. The selection unit 14 stores all selected information for estimation in the storage unit 11. After the selection unit 14 registers all the estimation information in the storage unit 11, the proposal unit 15 generates screen information and transmits it to the information terminal 3 via the communication unit 13. The information terminal 3 displays information about the estimation target device included in the registered estimation information based on the screen information. After the proposal screen 100 is displayed on the information terminal 3, the server 1 receives registration information from the information terminal 3 indicating that it does not accept the registration of the estimation information including the proposed estimation target device, and receives the storage unit. The registration content in 11 may be returned to the state before the change.

A function of registering estimation information including the estimation target device in the storage unit 11 before displaying the estimation target device (post-notification function), and registering estimation information in the storage unit 11 according to a user's instruction after the display. The user may register in advance whether to use one of the functions (advance notification function).

If the estimation information including the estimation target device is registered before displaying (presenting) the estimation target device, it is not necessary to notify the user after the registration. In this case, the proposal unit 15 presents the estimation target device to the inside of the state estimation system 10 (inside the server 1), particularly to the selection unit 14. That is, the presentation of the estimation target device by the proposal unit 15 may be a presentation to the user or a presentation to the state estimation system 10 (server 1).

In each of the above embodiments, information regarding the state of the device 50 may be included in the measurement group as measurement information of other types. In this case, the device 50 has a communication function conforming to a communication standard such as Echonet-Lite (registered trademark). When the local device 40 receives the on / off information of the device 50 transmitted from the device 50, for example, the local device 40 temporarily stores the information. The local device 40 periodically transmits on / off information to the server 1. The server 1 stores the on / off information of the device 50 as other type measurement information in the storage unit 11. The selection unit 14 selects estimation information to be used for estimating the state of a person from the measurement group by using the accumulated data of the equipment and the on / off information of the equipment 50. The information regarding the state of the device 50 is not limited to the on / off information of the device 50. The information regarding the state of the device 50 may be locking / unlocking information when the device 50 is an electric lock, or information such as set temperature, set humidity, and wind power when the device 50 is an air conditioning device. There may be.

In each of the above embodiments, the selection unit 14 may extract one or more estimation information from the measurement group using only the accumulated data in a predetermined period. For example, the selection unit 14 selects measurement information corresponding to each of the top three equipments and devices in which changes in the accumulated data frequently occur in a predetermined period (1 day) as estimation information.

The selection process for selecting one or more estimation information from the measurement group may be performed constantly or periodically, such as once a month. Alternatively, when the instruction to execute the selection process is received, the selection process may be performed.

Further, the circuit name, the device name, the name of the water meter 91, the name of the gas meter 92, and the name of the sensor 58 may be identifiers associated with them.

The branch circuit 70 described in each of the above embodiments may be replaced with a power tap having a measurement function or a device 50 having a measurement function, which is connected between the outlet and the device 50 and measures the current value.

In each of the above embodiments, the user may accept the designation of the number of estimation information selected by the selection unit 14. For example, when the information terminal 3 receives the designation of "3" as the number of estimation information from the user, the information terminal 3 notifies the server 1 of "3" as the number of estimation information. The server 1 selects the measurement information from the measurement group as the estimation information with the received number (here, “3”) as the upper limit value. When the non-estimation information is registered in the storage unit 11, the information terminal 3 accepts the user to specify the number of non-estimation information. The server 1 selects measurement information from the measurement group as non-estimation information, with the number specified by the user as the upper limit.

In the above embodiment, the proposal unit 15 is configured to create screen information for displaying the desired proposal screen 100 on the information terminal 3, but is not limited to this configuration. The proposal unit 15 may be configured to create a screen to be displayed on the display unit 31 of the information terminal 3. Further, the screen information may be data for displaying the proposal screen 100 in collaboration with the application, for example, if the information terminal 3 has an application for displaying the proposal screen 100. .. Further, for example, if the application of the information terminal 3 has all the image data of the proposal screen 100, the screen information may be data for constructing the proposal screen 100 by the image data. Alternatively, if the application of the information terminal 3 has a part of the image data of the proposal screen 100, the screen information may be the remaining part of the image data.

Further, the computer system may be a system composed of one or a plurality of computers. That is, it is not essential that the state estimation system 10 is composed of the server 1. For example, the state estimation system 10 may be configured by at least one of the server 1, the local device 40, and the information terminal 3. Further, at least a part of the functions of the state estimation system 10 may be realized by, for example, a cloud (cloud computing). Further, the functions of the server 1, the local device 40, and the information terminal 3 may be distributed and provided.

In the above embodiment, the server 1 is configured to change the threshold value set for the equipment, but is not limited to this configuration. The server 1 may change the method for determining whether or not the threshold value has been exceeded. For example, the server 1 may determine that the threshold value has been exceeded when the difference value obtained by subtracting the threshold value from the measured value for the equipment is equal to or greater than a predetermined value. Alternatively, the determination may be made based on the length of time during which the difference value is equal to or greater than a predetermined value. Further, the length of time used for the determination may be changed.

(summary)
As described above, the state estimation system (10) according to the first aspect includes an estimation unit (16) and a selection unit (14). The estimation unit (16) estimates the state of a person with respect to the facility (5). The selection unit (14) selects at least one measurement information from the measurement group as estimation information used by the estimation unit (16) for estimation or as non-estimation information not used by the estimation unit (16) for estimation. The measurement group includes power measurement information related to power measurement in the facility (5) and other types of measurement information related to a type of measurement different from the power measurement information.

According to this configuration, the state estimation system (10) selects at least one measurement information from the measurement group as estimation information or non-estimation information. As a result, when estimating the human condition of the facility (5), information other than the power measurement information can also be used for estimating the human condition.

In the state estimation system (10) according to the second aspect, in the first aspect, the estimation unit (16) uses the estimation information when the selection unit (14) selects the estimation information. Estimate the presence or absence of a person in the facility (5), or the behavior of the person in the facility (5). When the selection unit (14) selects the non-estimation information, the estimation unit (16) uses the remaining measurement information obtained by removing the non-estimation information from the measurement group at the human facility (5). Estimate human behavior in the presence, absence, or facility (5). According to this configuration, the state estimation system (10) not only estimates the presence or absence of a person in the facility (5), but also considers the behavior of the person in the facility (5) as the state of the person in the facility (5). Can be estimated.

In the state estimation system (10) of the third aspect, in the first or second aspect, the estimation information includes the usage amount of resources or the environmental state of the facility (5). According to this configuration, the state estimation system (10) performs estimation based on the amount of resources used or the environmental state of the facility (5), so that more accurate estimation can be performed.

In the state estimation system (10) of the fourth aspect, in the third aspect, the measurement group includes measurement information regarding the environmental state of the facility (5). The measurement information regarding the environmental state of the facility (5) is associated with the place where the environmental state is measured. According to this configuration, the state estimation system (10) can know the state of the place where the environmental state is measured in the facility (5).

In the state estimation system (10) of the fifth aspect, in any one of the first to fourth aspects, the selection unit (14) is used for estimation for each state of the person to be estimated by the estimation unit (16). Select information or non-estimating information. According to this configuration, the state estimation system (10) can estimate for each of a plurality of states of a person.

In the state estimation system (10) of the sixth aspect, in any one of the first to fifth aspects, the measurement group measures the measurement of at least one type of environmental state of water, gas and facility (5). Information is included as measurement information of other types. The selection unit (14) selects two or more estimation information of different types from the measurement group. According to this configuration, the state estimation system (10) selects different types of measurement information from the measurement group, so that more accurate estimation can be performed as compared with the case where one type of measurement information is used. ..

The state estimation system (10) of the seventh aspect proposes to the user one or more measurement information selected from the measurement group as candidate information in any one of the first to sixth aspects (15). ) Is further provided. When selecting the estimation information, the selection unit (14) selects at least one candidate information among the one or more candidate information as the estimation information based on the instruction of the user. According to this configuration, the user can know the measurement information used for the estimation in advance, and can determine whether or not the proposed measurement information is appropriate for the estimation.

In the state estimation system (10) of the eighth aspect, in any one of the first to sixth aspects, the selection unit (14) receives estimation information or non-estimation information from the measurement group based on the user's instruction. Select. According to this configuration, the user can specify the measurement information used for the estimation.

In the state estimation system (10) of the ninth aspect, in any one of the first to eighth aspects, the selection unit (14) estimates one state to be estimated in a plurality of time zones. In this case, estimation information or non-estimation information is selected from the measurement group for each estimation time zone. According to this configuration, the state estimation system (10) can estimate one state for each time zone. For example, when the resources used in the time zone for returning home are different when estimating the return home, the state estimation system (10) makes a more accurate estimation by changing the measurement information selected for each time zone. It can be performed.

In the state estimation system (10) of the tenth aspect, in any one of the first to ninth aspects, the measurement information included in the measurement group is measured at the facility when the measurement information is the power measurement information. Includes power measurements. Further, the measurement information included in the measurement group includes measurement values of other types measured at the facility (5) when the measurement information is measurement information of other types. Each of the measurement information included in the measurement group is associated with a threshold value. The selection unit (14) compares the measured value with the threshold value corresponding to the measured information including the measured value, and selects estimation information or non-estimation information from the measurement group according to the comparison result. According to this configuration, the state estimation system (10) uses the threshold value when selecting the measurement information, so that the measurement information necessary for the estimation can be selected. As a result, the state estimation system (10) can perform highly accurate estimation.

In the state estimation system (10) of the eleventh aspect, in any one of the first to tenth aspects, the measurement information included in the measurement group is the facility (5) when the measurement information is the power measurement information. Includes power measurements measured in. The measurement information included in the measurement group includes measurement values of other types measured at the facility (5) when the measurement information is measurement information of other types. In the combination of two or more measurement information in the measurement group, the selection unit (14) determines that all the measurement values included in the combination are included in the combination when the measurement values of all the measurement information are changed in a predetermined order. The measurement information of is selected as the estimation information. According to this configuration, the state estimation system (10) can select a combination of two or more measurement information that changes in a predetermined order from a plurality of measurement information as estimation information.

The state estimation method of the twelfth aspect includes an estimation step and a selection step. The estimation step estimates a person's condition with respect to facility (5). The selection step selects at least one measurement information from the measurement group as estimation information that the estimation step uses for estimation or as non-estimation information that the estimation step does not use for estimation. The measurement group includes power measurement information related to power measurement in the facility (5) and other types of measurement information related to a type of measurement different from the power measurement information.

According to this state estimation method, when estimating the state of a person in the facility (5), appropriate resources can be used to estimate a certain state of the person.

The program of the thirteenth aspect causes a computer to perform an estimation process and a selection process. The estimation process estimates the state of a person with respect to the facility (5). The selection process selects at least one measurement information from the measurement group as estimation information used by the estimation process for estimation or as non-estimation information not used by the estimation process for estimation. The measurement group includes power measurement information related to power measurement in the facility (5) and other types of measurement information related to a type of measurement different from the power measurement information.

According to this program, appropriate resources can be used when estimating the human condition of facility (5).

1 Server 5 Facilities 10 State estimation system 14 Selection section 15 Proposal section 16 Estimating section

Claims (12)

An estimation unit that estimates the state of a person related to a facility,
At least one measurement information from the measurement group including the power measurement information related to the power measurement in the facility and the measurement information of other types related to the measurement of a type different from the power measurement information is used as the estimation information used by the estimation unit for estimation. Alternatively, the estimation unit is provided with a selection unit that is selected as non-estimation information that is not used for estimation.
When the selection unit performs estimation for one state to be estimated in a plurality of time zones, the selection unit selects the estimation information or the non-estimation information from the measurement group for each estimation time zone. A state estimation system characterized by that. The estimation unit
When the selection unit selects the estimation information, the estimation information is used to estimate the presence or absence of the person in the facility, or the behavior of the person in the facility.
When the selection unit selects the non-estimation information, the person is present, absent, or is present at the facility by using the remaining measurement information obtained by removing the non-estimation information from the measurement group. The state estimation system according to claim 1, wherein the behavior of the person in the room is estimated. The state estimation system according to claim 1 or 2, wherein the estimation information includes the amount of resources used or the environmental state of the facility. The measurement group contains measurement information regarding the environmental condition of the facility.
The state estimation system according to claim 3, wherein the measurement information regarding the environmental state of the facility is associated with a place where the environmental state is measured. The selection unit is
The state estimation system according to any one of claims 1 to 4, wherein the estimation information or the non-estimation information is selected for each state of the person to be estimated by the estimation unit. The measurement group includes measurement information related to measurement of at least one type of water, gas and the environmental condition of the facility as the other type measurement information.
The state estimation system according to any one of claims 1 to 5, wherein the selection unit selects two or more kinds of estimation information from the measurement group. Further provided with a proposal unit that proposes to the user one or more measurement information selected from the measurement group as candidate information.
When selecting the estimation information, the selection unit is characterized in that at least one candidate information among the one or more candidate information is selected as the estimation information based on the instruction of the user. The state estimation system according to any one of claims 1 to 6. The state estimation system according to any one of claims 1 to 6, wherein the selection unit selects the estimation information or the non-estimation information from the measurement group based on a user's instruction. .. The measurement information included in the measurement group includes the measured value of the power measured at the facility when the measurement information is power measurement information, and when the measurement information is other type measurement information, the measurement information is described. Including other types of measurements measured at the facility,
Each of the measurement information included in the measurement group is associated with a threshold value.
The selection unit is
A claim characterized in that the measured value is compared with a threshold value corresponding to the measured information including the measured value, and the estimation information or the non-estimation information is selected from the measurement group according to the comparison result. The state estimation system according to any one of Items 1 to 8. The measurement information included in the measurement group includes the measured value of the power measured at the facility when the measurement information is the power measurement information, and when the measurement information is the other type measurement information. Includes other types of measurements measured at the facility
The selection unit is
In a combination of two or more measurement information in the measurement group, when the measurement values of all the measurement information included in the combination change in a predetermined order, all the measurement information included in the combination is displayed. The state estimation system according to any one of claims 1 to 9, wherein each of the estimation information is selected. Estimating steps to estimate a person's condition with respect to a facility,
At least one measurement information from the measurement group including the power measurement information related to the power measurement in the facility and the other type measurement information related to the measurement of a type different from the power measurement information is used as the estimation information used by the estimation step for estimation. Alternatively, the estimation step includes a selection step selected as non-estimation information that is not used for estimation.
In the selection step, when estimation is performed in a plurality of time zones for one state to be estimated, the estimation information or the non-estimation information is selected from the measurement group for each estimation time zone. A computer-based state estimation method characterized by this. A program for causing a computer to execute the state estimation method according to claim 11.

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