WO2015108196A1 - 制御システム、制御装置、対象装置及び制御方法 - Google Patents
制御システム、制御装置、対象装置及び制御方法 Download PDFInfo
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- WO2015108196A1 WO2015108196A1 PCT/JP2015/051330 JP2015051330W WO2015108196A1 WO 2015108196 A1 WO2015108196 A1 WO 2015108196A1 JP 2015051330 W JP2015051330 W JP 2015051330W WO 2015108196 A1 WO2015108196 A1 WO 2015108196A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0426—Programming the control sequence
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2639—Energy management, use maximum of cheap power, keep peak load low
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2642—Domotique, domestic, home control, automation, smart house
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35357—Setup data, includes scale, range, type, selected together with part program
Definitions
- the present invention relates to a control system for controlling a target device provided in a customer facility, a control device used in the control system, a target device, and a control method.
- EMS Energy Management System
- Patent Document 1 a control device for controlling a plurality of devices.
- HEMS Home Energy Management System
- BEMS Building Energy Management System
- FEMS Fractor Energy Management System Store installed in the factory
- Management Energy Management store installed in the factory
- a distributed power source is a device that generates electric power using natural energy such as sunlight, wind power, and geothermal heat, such as a solar battery.
- the distributed power source is a device that generates electric power using fuel gas, such as a fuel cell such as SOFC (Solid Oxide Fuel Cell).
- the power storage device is a device that stores electric power, such as a secondary battery.
- a heat storage device is a device that stores electric power by converting electric power into heat, such as a water heater.
- the load is a refrigerator, a lighting device, an air conditioner, a television, or the like.
- control device specifies a value that cannot be handled by the target device using a control command, an error occurs on the target device side. Therefore, the control device knows in advance the range of values related to the capability of the target device. Need to be.
- a first feature is a control system including a target device provided in a customer facility, and a control device that communicates with the target device by transmitting a control command to the target device.
- a first communication unit that transmits a request command for requesting information indicating a state of the target device to the target device, wherein the target device receives the request command from the control device,
- a second communication unit configured to transmit a request response command including information requested by the request command, wherein the first communication unit includes range acquisition information for requesting a range of a value related to the capability of the target device and a target of the range
- a command including target information indicating contents is transmitted as the request command, and the second communication unit determines that the capability is obtained when the range acquisition information is included in the request command.
- the second feature is a control device that communicates with a target device provided in a customer facility, and a communication unit that transmits a request command for requesting information indicating a state of the target device to the target device
- the communication unit transmits, as the request command, a command including range acquisition information for requesting a range of values relating to the capability of the target device and target information indicating target content of the range.
- a third feature is a target device that is provided in a customer facility and receives a command from a control device, and is a request command that requests information indicating the state of the target device from the control device.
- the communication unit includes a communication unit that transmits a request response command including information requested by the request command, or transmits a notification command for autonomously notifying predetermined information.
- the gist is to transmit, as the request response command or the notification command, a command including range information indicating a range of values relating to the capability of the target device and target information indicating target content of the range.
- a fourth feature is a control method used in a control system including a target device provided in a customer facility and a control device that communicates with the target device by transmitting a control command to the target device, from the control device In response to receiving the request command from the target device to the control device, a request command for requesting information indicating the state of the target device to the target device, and the request command Transmitting a request response command including the information requested in step ⁇ , wherein the step ⁇ includes range acquisition information for requesting a range of values relating to the capability of the target device and target information indicating target content of the range Transmitting a command including the request command as the request command, wherein the step ⁇ includes the range acquisition information included in the request command. If it is, the gist in that it comprises a step of transmitting a command including the range information and the target information indicating the range of values for the capacity as the request response command.
- FIG. 1 is a diagram illustrating a customer facility 10 according to the first embodiment.
- FIG. 2 is a diagram illustrating the EMS 200 according to the first embodiment.
- FIG. 3 is a diagram illustrating the target device 300 according to the first embodiment.
- FIG. 4 is a diagram illustrating an example of a message format according to the first embodiment.
- FIG. 5 is a diagram illustrating an example of a message format according to the first embodiment.
- FIG. 6 is a diagram illustrating an example of a message format according to the first embodiment.
- FIG. 7 is a sequence diagram illustrating a control method according to the first embodiment.
- the control system which concerns on embodiment is provided with the target apparatus provided in a consumer facility, and the control apparatus which communicates with the said target apparatus by transmission of the control command with respect to the said target apparatus.
- the said control apparatus is provided with the 1st communication part which transmits the request command which requests
- the target device includes a second communication unit that transmits a request response command including information requested by the request command to the control device in response to reception of the request command.
- the first communication unit transmits, as the request command, a command including range acquisition information for requesting a range of a value related to the capability of the target device and target information indicating target content of the range.
- the second communication unit transmits, as the request response command, a command including range information indicating a range of values related to the capability and the target information.
- the control device simply adds value range acquisition information to a request command requesting information indicating the state of the target device (that is, an existing message), and a range of values related to the capability of the target device with respect to the target device. Can be requested.
- the control device can grasp in advance the value range related to the capability of the target device while minimizing modification to the existing message format.
- FIG. 1 is a diagram illustrating a control system according to the first embodiment.
- the control system is provided in the customer facility 10.
- the customer facility 10 may be, for example, a single-family house, an apartment house such as a condominium, a commercial facility such as a building, a factory, or a store. Also good.
- the customer facility 10 includes a distribution board 110, a load 120, a PV unit 130, a storage battery unit 140, a fuel cell unit 150, a hot water storage unit 160, and an EMS 200.
- the distribution board 110 is connected to the system 31. Distribution board 110 is connected to load 120, PV unit 130, storage battery unit 140, and fuel cell unit 150 via a power line.
- the load 120 is a device that consumes power supplied through the power line.
- the load 120 includes devices such as a refrigerator, a lighting device, an air conditioner, and a television.
- the load 120 may be a single device or may include a plurality of devices.
- the PV unit 130 has a PV 131 and a PCS 132.
- the PV 131 is an example of a distributed power source, and is a solar power generation device (PhotoVoltical device) that generates power in response to reception of sunlight.
- the PV 131 outputs the generated DC power.
- the amount of power generated by the PV 131 changes according to the amount of solar radiation applied to the PV 131.
- the PCS 132 is a device (Power Conditioning System) that converts DC power output from the PV 131 into AC power.
- the PCS 132 outputs AC power to the distribution board 110 via the power line.
- the PCS 132 may convert AC power input from the system 31 or the fuel cell unit 150 into DC power.
- the PV unit 130 may have a pyranometer that measures the amount of solar radiation irradiated on the PV 131.
- the PV unit 130 is controlled by the MPPT (Maximum Power Point Tracking) method. Specifically, the PV unit 130 optimizes the operating point (a point determined by the operating point voltage value and the power value, or a point determined by the operating point voltage value and the current value) of the PV 131.
- MPPT Maximum Power Point Tracking
- the storage battery unit 140 includes a storage battery 141 and a PCS 142.
- the storage battery 141 is an example of a distributed power supply and is a device that stores electric power.
- the PCS 142 is a device (Power Conditioning System) that converts DC power output from the storage battery 141 into AC power.
- the fuel cell unit 150 includes a fuel cell 151 and a PCS 152.
- the fuel cell 151 is an example of a distributed power source, and is a device that generates electric power using fuel gas.
- the PCS 152 is a device (Power Conditioning System) that converts DC power output from the fuel cell 151 into AC power.
- the fuel cell unit 150 operates by load following control. Specifically, the fuel cell unit 150 controls the fuel cell 151 so that the power output from the fuel cell 151 follows the power consumption of the load 120.
- the hot water storage unit 160 is an apparatus that converts electric power into heat and accumulates heat.
- the hot water storage unit 160 has a hot water storage tank, and warms water supplied from the hot water storage tank by exhaust heat generated by the operation (power generation) of the fuel cell 151.
- the hot water storage unit 160 warms the water supplied from the hot water storage tank and returns the warmed hot water to the hot water storage tank.
- the hot water storage unit 160 has a backup heat source, and when the hot water is insufficient, the hot water storage unit 160 operates the backup heat source to warm the water in the hot water storage tank.
- the heat of the backup heat source is generated by electric power or gas.
- the EMS 200 controls electric power in the customer facility 10. Specifically, the EMS 200 is connected to the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, and the hot water storage unit 160 via signal lines, and the load 120, the PV unit 130, the storage battery unit 140, the fuel The battery unit 150 and the hot water storage unit 160 are controlled.
- the EMS 200 may control the power consumption of the load 120 by controlling the operation mode of the load 120.
- the signal line that connects the EMS 200 and the target device may be wireless or wired.
- the EMS 200 is connected to various servers via an out-of-home communication network (for example, a wide area communication network, a mobile communication network, etc.).
- the various servers store, for example, information (hereinafter referred to as energy charge information) such as the unit price of power supplied from the grid, the unit price of power sold backward from the PV unit 130 to the grid, and the unit price of fuel gas.
- various servers store the information (henceforth energy consumption prediction information) for predicting the power consumption of the load 120, for example.
- the energy consumption prediction information may be generated based on, for example, the past power consumption actual value of the load 120.
- a model of power consumption of the load 120 may be used.
- the various servers store, for example, information for predicting the power generation amount of the PV 131 (hereinafter, PV power generation amount prediction information).
- the PV power generation prediction information may be a predicted value of the amount of solar radiation irradiated on the PV 131.
- the PV power generation prediction information may be weather forecast, season, sunshine time, and the like.
- FIG. 2 illustrates the EMS 200 according to the first embodiment.
- the EMS 200 includes a communication unit 210 and a control unit 220.
- the communication unit 210 receives various signals from a device connected via a signal line (wireless or wired).
- the communication unit 210 receives a control response command for the control command or a request response command for the request command from the target device (the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, and the hot water storage unit 160).
- the communication unit 210 receives information indicating the power generation amount of the PV 131 from the PV unit 130.
- the communication unit 210 receives information indicating the storage amount of the storage battery 141 from the storage battery unit 140.
- the communication unit 210 receives information indicating the power generation amount of the fuel cell 151 from the fuel cell unit 150.
- the communication unit 210 receives information indicating the amount of hot water stored in the hot water storage unit 160 from the hot water storage unit 160.
- the communication unit 210 receives a message (SET response command, GET response command, INFO command) compliant with the ECHONET Lite method from each device.
- the SET response command is a response command to a setting command (SET command) including a setting instruction for the target device.
- the GET response command is a response command to a request command (GET command) that requests information indicating the state of the target device.
- the INFO command is a command autonomously transmitted from the target device without depending on the command from the EMS 200 to the target device.
- the communication unit 210 may receive from various servers via the energy rate information, the energy consumption prediction information, and the PV power generation amount prediction information.
- the energy fee information, the energy consumption prediction information, and the PV power generation amount prediction information may be stored in the EMS 200 in advance.
- the communication unit 210 transmits various signals to a device connected via a signal line. For example, the communication unit 210 transmits a control command for controlling the target device (the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, and the hot water storage unit 160) to the target device. The communication unit 210 transmits a request command for requesting information indicating the state of the target device (the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, and the hot water storage unit 160) to the target device.
- the communication unit 210 transmits a message (SET command, GET command) conforming to the ECHONET Lite method to each device.
- the SET command is a setting command including a setting instruction for the target device.
- the SET command is an example of a control command for controlling each device.
- the GET command is a request command for requesting information indicating the state of the target device.
- the communication unit 210 uses, as a request command, a command including a range acquisition property (range acquisition information) that requests a range of values related to the capability of the target device and a target property (target information) that indicates the target content of the range.
- a command including a range acquisition property (range acquisition information) that requests a range of values related to the capability of the target device and a target property (target information) that indicates the target content of the range.
- the value related to the capability of the target device is, for example, a value corresponding to the capability that the target device actually has among the values related to the capability defined by the standard or the like.
- the value related to the capability of the target device is a part or all of the value defined by the standard or the like.
- the value related to the capability of the target device is a temperature set value or an operation mode.
- the operation mode include an automatic mode, a cooling mode, a heating mode, a dehumidifying mode, and an air blowing mode.
- the value regarding the capability of the target device is a temperature setting value
- the value regarding the capability of the target device is a value corresponding to the set temperature that the air conditioner actually has. Therefore, the value regarding the capability of the target device is a continuous value, the minimum value of the temperature setting value (for example, 18 ° C.), the maximum value of the temperature setting value (for example, 30 ° C.), and the step width (for example, 0. 5 ° C. or 1 ° C.).
- the value regarding the capability of the target device is the operation mode
- the value regarding the capability of the target device is a value corresponding to the operation mode that the air conditioner actually has. Specifically, the presence / absence of a wind direction adjustment option (whether only the up / down direction or the left / right direction is included), the presence / absence of an energy saving mode, the presence / absence of a timer function, etc. Accordingly, the value related to the capability of the target device is a non-continuous value and cannot be defined by a representative value like the temperature set value.
- the communication unit 210 may transmit a request command including the range acquisition property and the target property to the new target device.
- the communication unit 210 may periodically transmit a request command including the range acquisition property and the target property by broadcast.
- the control unit 220 controls the operation of the EMS 200.
- the control unit 220 controls the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, and the hot water storage unit 160.
- FIG. 3 illustrates the target device 300 according to the first embodiment.
- the target device 300 is, for example, the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, or the hot water storage unit 160 described above.
- the target device 300 includes a communication unit 310 and a control unit 320.
- the communication unit 310 receives various signals from a device connected via a signal line (wireless or wired).
- the communication unit 310 receives a control command for controlling the target device 300 or a request command for requesting information indicating the state of the target device 300 from the EMS 200.
- the communication unit 310 When communication between the EMS 200 and the target device 300 is performed by the ECHONET Lite method, the communication unit 310 receives a message (SET command, GET command) that conforms to the ECHONET Lite method from the EMS 200.
- SET command GET command
- the communication unit 310 transmits various signals to a device connected via a signal line (wireless or wired).
- the communication unit 310 transmits to the EMS 200 a control response command including a result controlled by the control command or a request response command including information requested by the request command.
- the communication unit 310 transmits a message (SET response command, GET response command, INFO command) compliant with the ECHONET Lite method to the EMS 200. .
- the communication unit 310 transmits, as a request response command, a command including the range information indicating the range of the value related to the capability of the target device 300 and the target property.
- the communication unit 310 includes a range type indicating whether or not the value related to the capability of the target device 300 is continuous in addition to the range information and the target property.
- the command is preferably transmitted as a request response command.
- the value range information includes the minimum value related to the capability of the target device 300 and the value related to the capability of the target device 300.
- the maximum value and the step width of the value related to the capability of the target device 300 are included.
- the range information is the minimum value of the temperature set value (for example, 18 ° C. ), The maximum temperature setting value (for example, 30 ° C.), and the step width (for example, 0.5 ° C. or 1 ° C.).
- the value regarding the capability is the value of the temperature setting, but the present invention is not limited to this.
- the value related to the capability may be, for example, a value related to the capability of air volume setting or a value related to the humidity setting.
- the value range type indicates that the value related to the capability of the target device 300 is discontinuous
- the target device 300 is an air conditioner
- the value range information includes the number of operation modes that the air conditioner actually has and the air conditioning This is a direct value of the value indicating the operation mode that the device actually has.
- the direct value of the value related to the capability of the target device 300 is a value (code or the like) that directly indicates the value related to the capability of the target device 300.
- the range information may include only a value relating to the capability of the target device 300 (transmission target value), that is, only a value relating to the capability that the target device 300 actually has among values defined by the standard or the like. Good.
- the range information includes all values related to the capability of the target device 300 (transmission target values), that is, all values defined by standards and the like, and is the capability that the target device 300 actually has. The information indicating whether or not the information may be associated with each transmission target value.
- the control unit 320 controls the operation of the target device 300. Specifically, the control unit 320 controls the operation of the target device 300 according to a command received from the EMS 200.
- Example of message format Hereinafter, an example of the message format according to the first embodiment will be described.
- 4 to 6 are diagrams showing examples of message formats according to the first embodiment.
- a message format used in the ECHONET Lite system will be described.
- the GET command M410 includes a header M411, a code M412, a range acquisition property M413, and a target property M414.
- the header M411 is information indicating the destination of the GET command M410.
- the code M412 is information indicating the type of message including the code M412.
- the code M412 is a message indicating that the message including the code M412 is a GET command.
- the value range acquisition property M413 is information for requesting a value range of a value related to the capability that the target device 300 actually has among values related to the capability of the target device 300 (transmission target value).
- the target property M414 is information indicating the target content of the range that the EMS 200 wants to know.
- the GET response command M510A includes range information indicating a range of values related to continuous ability.
- the GET response command M510A includes a header M511, a target property M512, a length M513, a type M514, a maximum value M515A, a minimum value M516A, and a step width M517A.
- the header M511 is information indicating the destination of the GET response command M510A.
- the target property M512 is information indicating the target content of the range that the EMS 200 wants to know. That is, the target property M512 is information indicating the target content corresponding to the range information included in the GET response command M510A.
- the length M513 is information indicating the length (bit length) of the range information included in the GET response command M510A.
- the type M514 is information indicating whether or not the value related to the capability of the target device 300 is continuous. The type M514 can be expressed by 1 bit (“0” or “1”).
- the maximum value M515A is information indicating the maximum value related to the capability of the target device 300
- the minimum value M516A is information indicating the minimum value related to the capability of the target device 300
- the step width M517A is the capability of the target device 300. It is the information which shows the step width of the value regarding.
- the maximum value M515A, the minimum value M516A, and the step width M517A are range information indicating a range of values related to the capability of the target device 300.
- the GET response command M510B includes range information indicating a range of values related to discontinuous capabilities.
- the GET response command M510B includes a header M511, a target property M512, a length M513, a type M514, a value number M515B, and a value M516B.
- the value number M515B is information indicating the number of values related to the capability of the target device 300 included in the GET response command M510B.
- the value M516B is information indicating a direct value of a value related to the capability of the target device 300.
- the number of values M515B and the value M516B are range information indicating the range of values related to the capability of the target device 300.
- the value M516B is configured only by a value related to the capability of the target device 300 (transmission target value), that is, a value corresponding to the capability that the target device 300 actually has among the values defined by the standard or the like. May be.
- the value M516B includes a value related to the capability of the target device 300 (transmission target value), that is, all values defined by the standard and the like, and is whether or not the target device 300 actually has the capability. May be information associated with each transmission target value.
- the range information has a variable length
- a length M513 indicating the length (bit length) of the range information is necessary.
- the GET response command 510A and the GET response command 510A may have an end code indicating the end position of the range information instead of the length M513.
- FIG. 7 is a sequence diagram illustrating a control method according to the first embodiment.
- FIG. 7 illustrates a case where communication between the EMS 200 and the target device 300 is performed using the ECHONET Lite method.
- the EMS 200 transmits a request command (GET command) for requesting information indicating the state of the target device 300 to the target device 300.
- GET command a request command for requesting information indicating the state of the target device 300 to the target device 300.
- the EMS 200 transmits a command including the range acquisition property and the target property (for example, the GET command shown in FIG. 4) as a request command.
- the target apparatus 300 transmits a request response command (GET response command) including information requested by the request command (GET command) to the EMS 200.
- GET response command a request response command including information requested by the request command (GET command)
- the target device 300 transmits a command including the range information and the target property as a request response command.
- the target device 300 transmits a GET response command illustrated in FIG. 6 to the EMS 200 when the value related to the capability of the target device 300 is discontinuous.
- the EMS 200 simply adds a range acquisition property to a request command (that is, an existing message) for requesting information indicating the state of the target device 300, to the target device 300.
- a range of values related to the capability of the target device 300 can be requested.
- the EMS 200 can grasp in advance the range of values related to the capability of the target device 300 while minimizing modifications to the existing message format.
- the case where communication between the EMS 200 and the target device 300 is performed by the ECHONET Lite method has been mainly described.
- the embodiment is not limited to this. Communication between the EMS 200 and the target device 300 may be based on another communication protocol.
- the communication unit 310 indicates the state of the target device 300 instead of the request response command including the range information and the target property.
- a request response command including information is transmitted.
- the communication unit 310 when the range acquisition property is included in the request command, transmits a request response command including the range information and the target property.
- the communication unit 310 may autonomously transmit a command including range information and target properties when the target device 300 is newly connected to the EMS 200.
- an INFO command can be used as such a command.
- control device is the EMS 200 .
- the control device may be provided in BEMS (Building Energy Management System), may be provided in FEMS (Factor Energy Management System), or may be provided in SEMS (Store Energy Management System).
- the customer facility 10 includes a load 120, a PV unit 130, a storage battery unit 140, a fuel cell unit 150, and a hot water storage unit 160.
- the customer facility 10 only needs to include any one of the load 120, the PV unit 130, the storage battery unit 140, the fuel cell unit 150, and the hot water storage unit 160.
- a control system a control device, a target device, and a control device that enable a control device to grasp in advance a range of values related to the capability of a target device while suppressing modification to an existing message format to a minimum
- a control method can be provided.
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Abstract
Description
実施形態に係る制御システムは、需要家施設に設けられる対象装置と、前記対象装置に対する制御コマンドの送信によって前記対象装置との通信を行う制御装置とを備える。前記制御装置は、前記対象装置に対して、前記対象装置の状態を示す情報を要求する要求コマンドを送信する第1通信部を備える。前記対象装置は、前記制御装置に対して、前記要求コマンドの受信に応じて、前記要求コマンドで要求された情報を含む要求応答コマンドを送信する第2通信部を備える。前記第1通信部は、前記対象装置の能力に関する値の値域を要求する値域取得情報及び前記値域の対象内容を示す対象情報を含むコマンドを前記要求コマンドとして送信する。前記第2通信部は、前記値域取得情報が前記要求コマンドに含まれる場合に、前記能力に関する値の値域を示す値域情報及び前記対象情報を含むコマンドを前記要求応答コマンドとして送信する。
(制御システム)
以下において、第1実施形態に係る制御システムについて説明する。図1は、第1実施形態に係る制御システムを示す図である。第1実施形態では、制御システムは、需要家施設10に設けられる。
以下において、第1実施形態に係る制御装置について説明する。図2は、第1実施形態に係るEMS200について説明する。図2に示すように、EMS200は、通信部210と、制御部220とを有する。
以下において、第1実施形態に係る対象装置について説明する。図3は、第1実施形態に係る対象装置300について説明する。対象装置300は、例えば、上述した負荷120、PVユニット130、蓄電池ユニット140、燃料電池ユニット150又は貯湯ユニット160である。図3に示すように、対象装置300は、通信部310と、制御部320とを有する。
以下において、第1実施形態に係るメッセージフォーマットの一例について説明する。図4~図6は、第1実施形態に係るメッセージフォーマットの一例を示す図である。ここでは、ECHONET Lite方式で用いるメッセージフォーマットについて説明する。
以下において、第1実施形態に係る制御方法について説明する。図7は、第1実施形態に係る制御方法を示すシーケンス図である。図7では、EMS200と対象装置300との間の通信がECHONET Lite方式で行われるケースについて例示する。
本発明は上述した実施形態によって説明したが、この開示の一部をなす論述及び図面は、この発明を限定するものであると理解すべきではない。この開示から当業者には様々な代替実施形態、実施例及び運用技術が明らかとなろう。
Claims (9)
- 需要家施設に設けられる対象装置と、前記対象装置に対するコマンドの送信によって前記対象装置との通信を行う制御装置とを備える制御システムであって、
前記制御装置は、前記対象装置に対して、前記対象装置の状態を示す情報を要求する要求コマンドを送信する第1通信部を備え、
前記対象装置は、前記制御装置に対して、前記要求コマンドの受信に応じて、前記要求コマンドで要求された情報を含む要求応答コマンドを送信する第2通信部を備え、
前記第1通信部は、前記対象装置の能力に関する値の値域を要求する値域取得情報及び前記値域の対象内容を示す対象情報を含むコマンドを前記要求コマンドとして送信し、
前記第2通信部は、前記値域取得情報が前記要求コマンドに含まれる場合に、前記能力に関する値の値域を示す値域情報及び前記対象情報を含むコマンドを前記要求応答コマンドとして送信することを特徴とする制御システム。 - 前記第2通信部は、前記値域取得情報が前記要求コマンドに含まれる場合に、前記値域情報及び前記対象情報に加えて、前記能力に関する値が連続的であるか否かを示す値域種別を含むコマンドを前記要求応答コマンドとして送信することを特徴とする請求項1に記載の制御システム。
- 前記能力に関する値が連続的であることを前記値域種別が示す場合に、前記値域情報は、前記能力に関する値の最小値及び最大値を示す値の少なくとも一方を含むことを特徴とする請求項2に記載の制御システム。
- 前記能力に関する値が連続的であることを前記値域種別が示す場合に、前記値域情報は、前記能力に関する値のステップ幅を示す値を含むことを特徴とする請求項2又は請求項3に記載の制御システム。
- 前記能力に関する値が非連続的であることを前記値域種別が示す場合に、前記値域情報は、前記能力に関する値の数を含むことを特徴とする請求項2に記載の制御システム。
- 前記能力に関する値が非連続的であることを前記値域種別が示す場合に、前記値域情報は、前記能力に関する値の直値を含むことを特徴とする請求項2又は請求項4に記載の制御システム。
- 需要家施設に設けられる対象装置との通信を行う制御装置であって、
前記対象装置に対して、前記対象装置の状態を示す情報を要求する要求コマンドを送信する通信部を備え、
前記通信部は、前記対象装置の能力に関する値の値域を要求する値域取得情報及び前記値域の対象内容を示す対象情報を含むコマンドを前記要求コマンドとして送信することを特徴とする制御装置。 - 需要家施設に設けられており、制御装置からのコマンドを受信する対象装置であって、
前記制御装置に対して、前記対象装置の状態を示す情報を要求する要求コマンドの受信に応じて、前記要求コマンドで要求された情報を含む要求応答コマンドを送信し、或いは、所定情報を自律的に通知するための通知コマンドを送信する通信部を備え、
前記通信部は、前記対象装置の能力に関する値の値域を示す値域情報及び前記値域の対象内容を示す対象情報を含むコマンドを前記要求応答コマンド又は前記通知コマンドとして送信することを特徴とする対象装置。 - 需要家施設に設けられる対象装置と前記対象装置に対するコマンドの送信によって前記対象装置と通信を行う制御装置とを備える制御システムで用いる制御方法であって、
前記制御装置から前記対象装置に対して、前記対象装置の状態を示す情報を要求する要求コマンドを送信するステップαと、
前記対象装置から前記制御装置に対して、前記要求コマンドの受信に応じて、前記要求コマンドで要求された情報を含む要求応答コマンドを送信するステップβとを備え、
前記ステップαは、前記対象装置の能力に関する値の値域を要求する値域取得情報及び前記値域の対象内容を示す対象情報を含むコマンドを前記要求コマンドとして送信するステップを含み、
前記ステップβは、前記値域取得情報が前記要求コマンドに含まれる場合に、前記能力に関する値の値域を示す値域情報及び前記対象情報を含むコマンドを前記要求応答コマンドとして送信するステップを含むことを特徴とする制御方法。
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