WO2013172088A1 - 社会インフラ制御システム、制御方法、制御装置およびサーバ - Google Patents
社会インフラ制御システム、制御方法、制御装置およびサーバ Download PDFInfo
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Definitions
- Embodiments of the present invention relate to a social infrastructure control system that controls social infrastructure.
- the society in which people live is supported by various social infrastructures such as power, water, transportation, railways, communications, and buildings.
- various social infrastructures such as power, water, transportation, railways, communications, and buildings.
- energy saving is required in all fields of society.
- an object is to provide a social infrastructure control system, a control method, a control device, and a server.
- the social infrastructure control system includes a control device that controls the social infrastructure and a server that can communicate with the control device.
- the control device includes a collection unit, a transmission unit, a reception unit, and a control unit.
- the collection unit collects sensing data related to a plurality of controlled objects in the social infrastructure.
- the transmission unit transmits the collected sensing data to the server via the communication line.
- the receiving unit receives a control instruction for controlling the controlled object from the server.
- the control unit controls the controlled object based on the received control instruction.
- the server includes an acquisition unit, a database, a generation unit, and an instruction unit.
- the acquisition unit acquires sensing data from the control device via a communication line.
- the database accumulates the acquired sensing data.
- the generation unit processes the sensing data stored in the database to generate a control instruction.
- the instruction unit transmits the generated control instruction to the control device.
- a control part performs control to the to-be-controlled object based on a control instruction at the timing based on the priority defined for every to-be-controlled object.
- FIG. 1 is a diagram illustrating an example of a system according to the embodiment.
- FIG. 2 is a diagram illustrating an example of a social infrastructure control system according to the embodiment.
- FIG. 3 is a diagram illustrating an example of an architecture of a social system.
- FIG. 4 is a conceptual diagram illustrating a cooperative configuration between the local control device 31 according to the first embodiment and the server 18 that is a host device of the local control device 31.
- FIG. 5 is a flowchart showing a processing procedure until the local control device 31 shown in FIG. 4 performs autonomous control.
- FIG. 6 is a flowchart showing a processing procedure when the local control device 31 shown in FIG. 4 switches the communication path.
- FIG. 1 is a diagram illustrating an example of a system according to the embodiment.
- FIG. 2 is a diagram illustrating an example of a social infrastructure control system according to the embodiment.
- FIG. 3 is a diagram illustrating an example of an architecture of a social system.
- FIG. 4 is a conceptual diagram
- FIG. 7 is a flowchart showing a processing procedure of the local control device 31 and the server 18 device when a failure that has occurred in the communication path in the optical communication network 17 between the server 18 and the local control device 31 is recovered.
- FIG. 8 is a flowchart showing a procedure for correcting the control program of the local control device 31 shown in FIG.
- FIG. 9 is a flowchart showing a procedure for providing the correction control program of the server 18 shown in FIG.
- FIG. 10 is a functional block diagram illustrating an example of a social infrastructure control system according to the first embodiment.
- FIG. 11 is a functional block diagram illustrating another example of the social infrastructure control system according to the first embodiment.
- FIG. 12 is a functional block diagram illustrating an example of the local control device 31 and the server 18 according to the second embodiment.
- FIG. 1 is a diagram illustrating an example of a system according to the embodiment.
- FIG. 1 shows an example of a system known as a so-called smart grid.
- existing grid grid
- existing power plants such as nuclear power, thermal power, and hydropower are connected to a wide variety of consumers such as ordinary households, buildings, and factories through the power grid.
- distributed power sources such as photovoltaic (Powervoltaic Power Generation: PV) systems and wind power generators, power storage devices, new transportation systems and charging stations are connected to the power grid. Is done.
- PV photovoltaic Power Generation
- EMS Energy Management System
- HEMS Home Energy Management System
- BEMS Building Energy Management System
- MEMS Mansion Energy Management System
- CEMS Common Energy Management System
- FEMS Fractory Energy Management System
- the social system provides comfort and convenience to social life through the social infrastructure represented by the above smart grid.
- the future social system is required to achieve social goals such as energy saving by organically combining various social infrastructures using information processing technology and communication technology. Yes.
- the social infrastructure control system which concerns on embodiment which can solve such a problem is demonstrated.
- FIG. 2 is a diagram illustrating an example of a social infrastructure control system according to the embodiment.
- a power infrastructure 11, a new energy infrastructure 12, a road traffic infrastructure 13, a railway infrastructure 14, a water treatment infrastructure 15, and a communication infrastructure 16 are shown as examples of social infrastructure.
- Social infrastructure is not limited to this, and there are a wide variety of infrastructures such as heat supply infrastructure, medical infrastructure, and building infrastructure.
- the power infrastructure 11 can include a power plant, a power plant, a power distribution network, and the like.
- the new energy infrastructure 12 is an infrastructure related to renewable energy, such as power storage SCADA (Supervisory Control And Data Acquisition) and PV (Photovoltaic) system.
- the road traffic infrastructure 13 can include traffic lights, a highway network, a general road network, and the like.
- the railway infrastructure 14 can include a railway network, vehicles, ticket reservation centers, and the like.
- the water treatment infrastructure 15 can include water and sewage systems, water purification plants, and the like.
- the communication infrastructure 16 can include the Internet, Web services, SMS (Short Massage Service), Twitter, and the like.
- Each of the infrastructures (social infrastructures) 11 to 16 has a unique control target.
- the controlled objects of each infrastructure are collectively referred to as controlled objects.
- Each infrastructure 11 to 16 is connected to a communication line of the optical communication network 17.
- the cloud computing system 1000 is connected to the optical communication network 17 via a gateway (GW) 100 by a communication line.
- GW gateway
- an optical communication network 17 is taken as an example of a guarantee type network. That is, in the embodiment, the cloud computing system 1000 and the infrastructures 11 to 16 are connected via a network that can guarantee a communication band.
- this type of network includes, for example, a VPN (Virtual Private Network) constructed on an IP (Internet Protocol) network.
- the cloud computing system 1000 includes a server 18 and a database 19.
- the server 18 can be configured as a single computer or an aggregate of a plurality of computers.
- the server 18 can be connected to the communication network 300 and can be physically attached and detached.
- the database 19 may be provided in one computer or may be distributed and arranged in a plurality of computers. In the embodiment, a mode in which a plurality of servers 18 and databases 19 are provided is considered.
- the servers 18 are connected to each other via the cloud communication network 300.
- an SCMS (Smart Community Management System) server 200 may be connected to a certain server 18 so that a target social system can be controlled in an integrated manner.
- each of the infrastructures 11 to 16 includes a local control device 31.
- the local control device 31 can locally control the respective infrastructures 11 to 16 as necessary. That is, the local control device 31 has a unique control function for controlling the controlled objects constituting each infrastructure for each infrastructure.
- the local control device 31 has a function of controlling distribution of power for each consumer.
- Examples of controlled objects in this infrastructure include breakers in power substations and power supply path switching devices.
- the local control device 31 has a function of predicting the power generation amount of the PV system based on weather information.
- the controlled object in this infrastructure corresponds to a power conditioning system provided in association with the PV system.
- the local control device 31 has a function of performing road traffic control.
- Controlled objects in this infrastructure include traffic lights, road traffic information display boards, and the like.
- the local control device 31 has a function of performing railway operation management.
- the controlled object in this infrastructure corresponds to a traffic light or a switching point of a track.
- the local control device 31 has a function of controlling the flow rate of the water supply and controlling the amount of irrigation water and the amount of water stored in the dam.
- Controlled objects in this infrastructure include dam discharge water control valves and movable weirs.
- the local control device 31 has functions such as IP (Internet Protocol) network flow control and routing control, or ISDN (Integrated Service Digital Network) call connection control.
- IP Internet Protocol
- ISDN Integrated Service Digital Network
- the local control device 31 can be connected to the communication line of the optical communication network 17 and can be physically attached and detached.
- the local control device 31 communicates information with the server 18 via the communication line of the optical communication network 17, acquires various data from the database 19, and stores various data in the database 19 via the server 18. Is possible. That is, the local control device 31 and the server 18 are connected via the communication line of the optical communication network 17 and can communicate information with each other.
- the server 18 has a function of giving various control instructions (including commands and control data) for controlling the controlled object to the local control device 31. That is, the server 18 is positioned as an upper layer with respect to the local control device 31 or each of the infrastructures 11 to 16.
- Sensing data includes meter data, sensing data, traffic, GPS (Global Positioning System) from various monitoring and control systems such as smart meters, various sensors, network monitoring devices, MDMS (Meter Data Management System), and core systems (Billing System). ) Data, life log, etc. That is, the sensing data is an amount that can be measured by some measuring means. Since these data are enormous, they are also called BigData in the field related to cloud computing.
- GPS Global Positioning System
- MDMS Metal Data Management System
- core systems Billing System
- FIG. 3 is a diagram showing an example of the architecture of a social system.
- the architecture shown in FIG. 3 can be applied to each of various social infrastructures according to the embodiment.
- functions required for social infrastructure are classified into a plurality of categories such as monitoring control, analysis / aggregation, billing / settlement, facility / equipment management, and the like.
- the control function for the controlled object is divided into, for example, a local control system 310, a supervisory control system 320, a driving support system 330, and an offline business system 340.
- Considering the linkage of each processing category is a key point when the control function for the controlled object is transferred from the local side to the cloud computing system side.
- Each local control device 31 shown in FIG. 1 has a function as a local control system 310.
- the control system for the local facility of the social infrastructure to be controlled corresponds to the local control system 310.
- the local control system 310 acquires sensing data of the controlled object and various measurement values in real time, and controls the controlled object in real time.
- the local control system 310 acquires measurement results of these physical quantities in real time and converges the acquired data to specific values by loop control. Further, for example, for control at the time of failure, the local control system 310 performs processing so as to ensure safety quickly by sequence control. The status of this local control is sent to the monitoring control system 320 as monitoring information.
- the local control system 310 acquires sensing results such as automatic ticket gates in traffic and ETC (Electronic Toll Collection System), and performs charge / immediate settlement for billing / settlement.
- the information on the fee / immediate payment is sent to the offline / business system 340.
- the local control system 310 monitors facilities related to various social infrastructures, and performs necessary control based on the results.
- the local control system 310 notifies the monitoring control system 320 of information regarding facility control.
- the supervisory control system 320 receives this information, monitors whether there is an abnormality, and sends a control instruction to the local control system 310 as necessary.
- the supervisory control system 320 notifies the supervisory management information to the offline / business system 340.
- the supervisory control system 320 functions as a host system of the local control system 310.
- the monitoring control system 320 analyzes and aggregates the monitoring information transmitted from the local control system 310 by a technique such as operator monitoring, operator control, alert management, history management, or the like.
- the supervisory control system 320 provides information to the host system, for example, in the form of reporting regarding operation history management. Then, the supervisory control system 320 finds the optimum operation of the local control system from the operation history management, and instructs the operation change of the local control system.
- the driving support system 330 predicts demands of various social infrastructures from the reporting information obtained by the monitoring control system 320 and adjusts optimization based on the prediction results.
- the driving support system 330 makes a scheduling plan according to the adjustment contents. This plan is notified to the supervisory control system 320 or the local control system 310 and reflected in each operation.
- the offline / business system 340 manages energy supply and demand based on management / support information sequentially submitted from the monitoring control system 320 or the driving support system 330. Based on the result, the energy flow between regions or social infrastructure is adjusted. Further, the offline / business system 340 analyzes the management / support information and creates statistical data to be used as material for performance evaluation and medium- to long-term plan. Further, the offline / business system 340 executes the charging process for the user based on the charge / immediate payment information and the regular charging / settlement information from the local control system 310. Further, the offline / business system 340 receives facility management information from the supervisory control system 320 and instructs maintenance of equipment and execution of diagnosis.
- FIG. 4 is a conceptual diagram showing cooperation between the local control device 31 according to the first embodiment and the server 18 that is a host device of the local control device 31.
- the server 18 realizes a function as the monitoring control system 320.
- the local control device 31 controls the controlled object in real time according to the operation process by the main control unit 311. At that time, the local control device 31 cooperates with the server 18 via the network 17 in real time.
- the server 18 can be connected to the optical communication network 17 via an interface (not shown) and physically removable.
- the server 18 includes a collection unit 18a, a calculation unit 18b, a selection unit 18c, a download unit 18d, a setting unit 18e, and a correction unit 18f.
- the collection unit 18 a collects the sensing data (event information) uploaded from the local control device 31 via the network 17 and stores it in the database 19.
- the calculation unit 18b analyzes the event information accumulated in the database 19 and calculates the characteristics of the social infrastructure.
- the selection unit 18c is adapted to the characteristics calculated by the calculation unit 18b from a plurality of control programs (control program 1 to control program N) corresponding to the type of control target and the operating state stored in advance in the database 19. Select a control program.
- the download unit 18 d downloads and transmits the selected control program to the local control device 31 via the network 17.
- the setting unit 18e adjusts the parameters of the control program based on the calculated characteristics.
- the correction unit 18f determines the status of the controlled object from the monitoring result of the local control device 31, and corrects the control program based on the result.
- the local control device 31 includes a main control unit 311, a storage unit 313, an interface unit (I / F) 314, a communication control unit 315, a monitoring unit 316, a management unit 317, an interface unit 318, a priority control unit 319, and an autonomous A control unit 350 is provided.
- the main control unit 311, storage unit 313, interface unit (I / F) 314, communication control unit 315, monitoring unit 316, management unit 317, interface unit 318, priority control unit 319, and autonomous control unit 350 are connected to the bus 312. Connected through.
- the main control unit 311 controls processing such as communication, monitoring, and management in accordance with a control program stored in the storage unit 313.
- the storage unit 313 includes a queuing memory 313a and a control program memory 313b.
- the queuing memory 313 a stores queuing data for causing the main control unit 311 to execute control based on an instruction from the server 18.
- the control program memory 313b stores a control program used by the main control unit 311. Further, the control program memory 313b stores priorities determined for each of a plurality of controlled objects constituting each social infrastructure. For example, traffic lights, which are one of the controlled objects in road and railway infrastructure, have a high priority because it is necessary to change the signal every few minutes. Is set low.
- the priority determined for each of the plurality of controlled objects can be written in the control program memory 313b by a terminal (not shown) that can be connected to the local control device 31 and physically removable. Therefore, in order to enable operation in the priority control mode to be described later, it is necessary to set the priority for each controlled object from a terminal (not shown) in advance.
- the interface unit 314 is capable of connecting the local control device 31 to the network 17 and physically detachable, and further transmits / receives information to / from the server 18 as the host control device via the network 17. .
- the communication control unit 315 appropriately controls communication with the server 18.
- the communication control unit 315 includes a failure detection unit 315a and a path switching unit 315b.
- the failure detection unit 315a detects a communication failure in the network 17, the failure detection unit 315a notifies the main control unit 311 of that fact. Upon receiving this notification, the main control unit 311 autonomously executes the failure avoidance process.
- the path switching unit 315b switches the communication path when a communication failure is detected.
- the monitoring unit 316 monitors the operation state of the controlled object in accordance with an instruction from the main control unit 311.
- the management unit 317 manages the operation progress of the controlled object in accordance with an instruction from the main control unit 311.
- the interface unit 318 is connected to a controlled object under jurisdiction and transmits / receives information to / from the controlled object.
- the priority control unit 319 reads out the control instruction queued in the queuing memory 313a at a timing based on a priority determined in advance for each controlled object, and outputs the control instruction to the main control unit 311. Thus, control based on the control instruction is executed at a timing according to the control of the priority control unit 319.
- the autonomous control unit 350 autonomously continues control.
- the local control device 31 stores the control instruction for the controlled object received from the server 18 in the queuing memory of the storage unit 313.
- the main control unit 311 determines the priority of each of the queued control instructions in accordance with the priority of the controlled object stored in the control program memory 313b. The determined priority is notified to the server 18.
- the server 18 notified of the priority further gives each local control device 31 an optimal control instruction for energy saving of the entire monitoring target.
- the local control device 31 reads the queued control instruction from the queuing memory 313a according to the priority of the controlled object stored in the control program memory 313b.
- the local control device 31 controls the controlled object related to each infrastructure based on the read control instruction.
- control of the monitored object by the server 18 is basically executed in real time preferentially (direct real time control mode). And when the priority of the controlled object is registered in the control program memory 313b, the control to the monitored object is further controlled to the priority of the controlled object stored in the control program memory 313b in the local control device 31. It is also possible to perform priority control based on the priority control mode. Furthermore, in the priority control mode, the control of the controlled object can be executed at a timing according to the type, characteristics, or status of the controlled object.
- the communication control unit 315 is provided with a failure detection unit 315a and a path switching unit 315b in preparation for a possible communication failure.
- the communication control unit 315 detects a communication failure, the communication control unit 315 notifies the main control device 311 of the communication failure, and executes minimum autonomous control such as failure avoidance. Or the communication control part 315 will switch to another communication path, if a communication failure is detected.
- a safety measure against communication failure is taken in advance.
- the controlled object is also provided with a function capable of continuing autonomous driving without a control instruction.
- Each local control device 31 queues a signal related to the control instruction received from the server 18 in the control instruction queuing memory 313a of the storage unit 313.
- the priority of the signal related to the queued control instruction is determined according to the controlled object based on the priority stored in the control program memory 313b according to the social infrastructure managed by each local control device 31.
- the result of the priority control is notified from the local control device 31 to the server 18 by, for example, a notification signal or a message.
- the server 18 Upon receiving this notification, the server 18 further performs optimization control for energy saving of the entire monitoring target including a plurality of controlled targets.
- the local control device 31 sequentially extracts signals related to the queued control instructions, and controls controlled objects related to each infrastructure based on the control instructions.
- FIG. 5 is a flowchart showing a processing procedure until the local control device 31 performs autonomous control when a failure occurs in the communication path in the optical communication network 17 between the server 18 and the local control device 31.
- the local control device 31 monitors the communication state by the communication failure detection function in the communication control unit 31 (steps S11 and S12). When an abnormality is detected, the local control device 31 notifies the main control unit 311 and activates the autonomous control unit 350 (step S13). And the local control apparatus 31 performs minimum autonomous control, such as a driving
- FIG. 6 is a flowchart showing a processing procedure until the local control device 31 switches the communication route when a failure occurs in the communication route in the optical communication network 17 between the server 18 and the local control device 31. is there.
- the local control system 31 monitors the communication state by the communication failure detection function in the communication control unit 31 (steps S21 and S22). When an abnormality is detected, the local control system 31 notifies the main control unit 311 and activates the path switching unit 315b (step S23). Then, the local control system 31 switches to the standby communication path and secures the communication path (step S24).
- the autonomous control unit 350 and the path switching unit 315b are used independently.
- the autonomous control unit 350 and the path switching unit 315b can be operated in a coordinated manner. That is, when a communication failure is detected, the route switching unit 315b may first switch to the backup communication route, and if a communication failure is still detected, the autonomous control unit 350 may perform minimum processing.
- control program memory 313b in FIG. 4 stores a control program for controlling the controlled object in real time.
- the control program stored in the database 19 of the cloud computing system 1000 is sequentially updated and registered according to the type of control target, the operating state, and the like.
- the local control device 31 appropriately modifies the control program that regulates its function by the control program downloaded from the database 19 of the cloud computing system 1000.
- FIG. 7 is a flowchart showing a processing procedure of the local control device 31 when a failure that has occurred in the communication path in the optical communication network 17 between the server 18 and the local control device 31 is recovered.
- the main control unit 311 of the local control device 31 records control operation data generated during the autonomous control period in the storage unit 313 together with a time stamp indicating the time when the data occurred (step S51).
- the control operation data is data relating to operations during the autonomous control period such as operation stop or power shutdown.
- Control operation data during the autonomous control period is recorded as log data in the storage unit 313.
- the main control unit 311 writes the sensing data acquired by the sensor during the autonomous control period in the storage unit 313.
- the communication control unit 315 of the local control device 31 monitors the communication state of the communication line of the optical communication network 17 during the autonomous control period (step S52). When it is detected that the failure has been recovered (step S53), the communication control unit 315 notifies the main control unit 311 of this (step S54).
- the main control unit 311 When notified of failure recovery, the main control unit 311 reads out control operation data and sensing data during the autonomous control period from the storage unit 313 (step S55). Then, the read control operation data and sensing data are transmitted to the server 18 via the line of the optical communication network 17 (step S56).
- the collection unit 18a of the server 18 receives control operation data and sensing data related to autonomous operation from the local control device 31 via the communication path of the optical communication network 17 by the collection unit 18a (step S57), and stores them in the database. 19 (step S58).
- the calculation unit 18b of the server 18 acquires control operation data or sensing data from the database 19 (step S59), analyzes either one or both as event information, and characteristics of the social infrastructure to be controlled Is calculated (step S60). Based on the result, the selection unit 18c selects a control program that matches the characteristics of the social infrastructure from the database 19 (step S61).
- the database 19 stores a plurality of control programs according to the type of control target, the operation state, and the like.
- the selection unit 18c selects a control program suitable for the characteristics of social infrastructure from a plurality of control programs.
- the server 18 optimizes the acquired control operation data or sensing data based on the selected control program, and generates a control signal (step S62).
- the optimization is executed based on a criterion such as energy saving of the entire monitoring target including a plurality of controlled objects, for example.
- the control signal is a signal related to a control instruction given to the local control device 31.
- the server 18 transmits the generated control signal to the local control device 31 via the line of the optical communication network 17 (step S63).
- the local control device 31 receives a control signal from the server 18 (step S64). After the failure is recovered, the local control device 31 stores the control signal received first in the queuing memory 313a of the storage unit 313 (step 65). The control signal stored in the queuing memory 313a is read preferentially.
- the main control unit 311 determines the timing of transition from autonomous control to normal control based on a control signal from the server 18 (step S66). In other words, if switching back to normal control immediately after recovery from a failure, an unexpected malfunction may occur. Therefore, considering the relationship between the control based on the autonomous control program and the control based on the instruction from the server 18, the main control unit 311 determines the timing at which the social infrastructure control can be smoothly continued. The main control unit 311 continues the autonomous control until the transition timing arrives. That is, the main control unit 311 controls the social infrastructure based on the control instruction related to the control based on the autonomous control program.
- the transition timing is determined with reference to the characteristics of the social infrastructure to be controlled, the time zone to be migrated, etc., for example, with the highest priority given to the safety of users and residents of the social infrastructure to be controlled. For example, when a failure / restoration event occurs in the railway infrastructure, control is not transferred until the train arrives at a nearby station in the state where there is a train on the track between stations.
- sensing data from the sensor continues to be transmitted to the server 18 as described above.
- the server 18 continuously transmits a control signal based on the sensing data to the local control device 31.
- the main control unit 311 stops the control instruction related to the autonomous control program (step 67). Then, the main control unit 311 reads the control signal received at the past time point closest to the stop timing from the queuing memory 313a of the storage unit 313 (step 68). Then, the main control unit 311 starts again the social infrastructure control based on the contents indicated by the control signal (step 69).
- the processing procedure shown in FIG. 7 is executed between the server 18 and the local control device 31 in accordance with the recovery of the failure in the communication path of the optical communication network 17, so that the control switching / switchback is optimal. Will be implemented at the timing of the transition. As a result, it is possible to reliably execute the re-optimization of the entire social system and the smooth operation control of the social infrastructure.
- FIG. 8 is a flowchart showing a procedure for correcting the control program of the local control device 31.
- FIG. 9 is a flowchart showing a procedure for providing the correction control program of the server 18.
- the local control device 31 when the local control device 31 performs sensing of the controlled object (step S31), the local control device 31 transmits the sensing data to the host server 18 (step S32). As shown in FIG. 9, the server 18 constantly monitors the sensing data (step S41). Based on the result of the sensing, the server 18 determines whether or not it is necessary to change or modify the control program according to the upgrade program of the control program or the situation (step S42). If it is determined that it is necessary, the server 18 selects an appropriate control program (step S43) and distributes it to the local control device 31 (step S44).
- the local control device 31 determines whether or not a control program is received from the server 18 (step S33). The local control device 31 executes processing with the existing control program until the control program is received (step S34). When a new control program is received, the local control device 31 replaces the control program. That is, the local control device 31 stores the received control program in the storage unit 313 (step S35).
- the local control device 31 executes the subsequent processing using the replaced correction control program (step S36).
- the server 18 can immediately recognize a change in the status of the controlled object. Therefore, it is possible to execute repair and exchange of a program used in the local control device 31 without having to dispatch a worker.
- a box as a communication adapter may be connected to a field device to be controlled.
- the box has a function of mediating communication between the field device and the local control device 31.
- the local control device 31 can collect information from each device via a wired or wireless control line.
- the box may be provided with a communication function for sending a control instruction to a corresponding device.
- the server 18 determines the control content based on information collected by the box as the communication adapter, and directly controls the device to be controlled by transmitting a control instruction according to the control content to the box. it can.
- the server 18 further includes the function of the driving support system 330 (FIG. 3), and adjusts the optimization of the driving related to the processing of the local control device 31 and the monitoring control system 320 (FIG. 3). Specifically, the server 18 determines the appropriateness of the control content from the control instruction and monitoring information from the local control device 31 and the monitoring control system 320, and creates an optimal operation plan. The server 18 causes the local control device 31 or the supervisory control system 320 to execute control according to the operation plan.
- the server 18 has a function of an offline / business system 340 (FIG. 3). Processing such as facility maintenance and billing / settlement included in this function has many elements common to the infrastructure. Therefore, in the first embodiment, the processing efficiency is increased by creating a cloud with common operations between various social infrastructures.
- the functions of the driving support system 330 are converted into a cloud so as to facilitate business cooperation, excluding domain-specific elements.
- the processing information from the local control device 31 is obtained in real time, the processing time of the local control system can be always grasped. Therefore, it is possible to integrate the processing time and increase / decrease the charging cost according to the processing time.
- the server 18 can use information between the systems at any time by the functions of the monitoring control system 320, the driving support system 330, and the offline / business system 340. Therefore, it is possible to improve business support and operational efficiency.
- FIG. 10 is a functional block diagram showing an example of a social infrastructure control system according to the first embodiment.
- the local control system 31 ⁇ / b> A in FIG. 10, the supervisory control system 320 of the host system, the online driving support system 330, and the offline business system 340 are related to the server 18.
- the functions of the monitoring control system 320, the online driving support system 330, and the offline business system 340 can be implemented in the server 18.
- a water treatment infrastructure is taken as an example of the local control system 31A.
- reference numeral 31A indicates a local control system of the water treatment infrastructure.
- the system denoted by reference numeral 31A is referred to as a water treatment local system.
- the water treatment local system 31 ⁇ / b> A detects a decrease in the amount of water with the water meter 1 of the reservoir, the motor 2 is activated to operate the pump 3 to flow water into the reservoir. The amount of water is measured by the flow meter 4.
- the water treatment local system 31 ⁇ / b> A adjusts the rotation speed of the motor 2 by the inverter 5 so that the amount of water measured by the flow meter 4 is constant.
- This series of processing is controlled by a PLC / DDC (Programmable Logic Control / Digital Data Controller) 6.
- the PLC / DDC 6 provides an information collection function for sensors mounted on the controlled object and a control function for the actuator. Sensors and actuators are also examples of controlled objects.
- the PLC / DDC 6 has a sequence control function for operating the devices in order in a predetermined order.
- the PLC / DDC 6 also has a loop control function for controlling the rotation speed of the inverter 415 with a time constant of several hundred milliseconds or less to bring the analog value close to the target value. Further, the PLC / DDC 6 has a function of taking a failure signal as an interlock signal and reliably stopping the device to be controlled when a failure occurs.
- the supervisory control system 320 receives the process data from the PLC / DDC 6 of the water treatment local system 31A, and provides the operator with the monitoring status at a predetermined cycle of about 1 second. By passing the operator's control operation to the subordinate PLC / DDC 6, the supervisory control system 320 can adjust the operation of the water treatment local system 41 in real time.
- FIG. 11 is a functional block diagram showing another example of the social infrastructure control system according to the first embodiment.
- FIG. 11 shows an example in which the cloud structure shown in FIG. 10 is expanded.
- FIG. 11 shows the relationship between the local control system 31B of the water treatment system and the supervisory control system 320, the online operation support system 330, and the offline business system 340, which are related functions of the server 18 in the upper level. .
- reference numeral 31B corresponds to the local control device 31A shown in FIG.
- the water meter 1, the motor 2, the pump 3, the water flow meter 4, and the inverter 5 are connected to the network 17 via communication adapters 61, 62, 63, 64, and 65, respectively.
- the communication adapters 61, 62, 63, 64, 65 are connected to the network 17 by wire so that communication is possible, but may be connected wirelessly so that wireless communication is possible.
- the communication adapters 61 to 65 collect sensing data from a sensor (not shown) mounted for each controlled object via a communication line, and directly collect the collected sensing data to the monitoring control system 320 that is a function of the server 18. Send.
- the supervisory control system 320 grasps the situation of the water treatment local system 31B from the collected sensing data, calculates appropriate control content, and adjusts the control amount of the inverter 5.
- the control by the PLC / DDC performed in the infrastructure facility can be directly controlled from the monitoring control system 320. Therefore, it becomes possible to monitor and control a large number of scattered objects in a controlled manner and the operation of facility equipment.
- the online driving support system 330 supports the long-term processing of the supervisory control online to support sequential optimization. Can be realized.
- the offline business system 340 can receive monitoring information from the supervisory control system 320 at an arbitrary timing to perform operations such as statistical processing and accounting data creation, improving work efficiency and fine-tuned work. Service can be provided. As described above, since the local information can be obtained at any timing on-line and off-line, it is possible to respond quickly according to the local situation.
- the server 18 includes the functions of the local control device 31 in the monitoring control system 320 that performs higher-level control. That is, in the server 18, as a function of the monitoring control system 320, in the cooperation with the local control device 31, a cloud configuration is realized that realizes real-time monitoring and fault tolerance. As a result, it is possible to improve the efficiency of the operation of the monitoring control and to greatly reduce the cost for constructing the social system control system.
- the local control device 31 in the case of priority control, is given the initiative to determine the priority of control for the controlled object, that is, priority control. As a result, it is possible to prioritize control in a domain closer to the site, and it becomes easy to ensure safety related to the operation of the social system.
- the first embodiment it is possible to realize the cooperation between the local control system to be controlled of the social infrastructure and the upper management system, the uniformity of mutual information in the cooperation between regions, and the real-time property. it can. Therefore, it is possible to provide a social infrastructure control system and its control method capable of realizing accurate processing in comprehensive judgment and control.
- FIG. 12 is a functional block diagram illustrating an example of the local control device 31 and the server 18 according to the second embodiment.
- FIG. 12 parts common to FIG. 4 are given the same reference numerals, and only different parts will be described here.
- the server 18 shown in FIG. 12 has basically the same function as the server 18 shown in FIG.
- the local control device 31 shown in FIG. 12 has basically the same function as the local control device 31 shown in FIG.
- the local control device 31 includes a collection unit 321 in addition to the functions shown in FIG.
- the collection unit 321 collects sensing data from a plurality of controlled objects in social infrastructure.
- the collection unit 321 can be implemented as one function of the monitoring unit 316.
- the local control device 31 includes a transmission unit 322.
- the transmission unit 322 transmits the collected sensing data to the server 18 via the communication line of the optical communication network 17.
- the local control device 31 includes a receiving unit 323.
- the receiving unit 323 receives a control instruction for controlling the controlled object from the server 18.
- the main control unit 311 controls the controlled object based on the control instruction received by the receiving unit 323. That is, the main control unit 311 performs control on a plurality of controlled objects based on the control instruction at a timing based on the priority determined for each controlled object.
- the local control device 31 includes a notification unit 324.
- the notification unit 324 notifies the server 18 of the result of control on the controlled object.
- the result of the control includes a time stamp when the control is performed, control OK / NG, and the like in addition to a change in sensing data accompanying the control.
- the server 18 includes an acquisition unit 18f, a generation unit 18g, an instruction unit 18h, a priority control unit 18i, and a queuing memory 181 in addition to the functions shown in FIG.
- the acquisition unit 18f can be implemented as one function of the collection unit 18a.
- the acquisition unit 18 f acquires the sensing data transmitted from the local control device 18 in real time via the communication line of the optical communication network 17.
- the acquired sensing data is stored in the database 19.
- the generation unit 18g processes the sensing data stored in the database 19 and generates a control instruction for controlling the controlled object in each of the infrastructures 11 to 16.
- the instruction unit 18 h transmits the generated control instruction to the local control device 31.
- the queuing memory 181 queues the generated control instruction.
- the priority control unit 18i reads out the control instruction queued in the queuing memory 181 at a timing based on the priority determined for the controlled object, and passes it to the instruction unit 18h. As a result, the control instruction reaches the local control device 31 in accordance with the timing of priority control or sequence control. The local control device 31 controls the controlled object based on the received control instruction.
- the control procedure can be changed for each monitored target under the local control device 31.
- the control procedure is dynamically controlled in the form of being closed to the same social infrastructure (power, road network, etc.).
- the control procedure of the controlled object belonging to the same social infrastructure such as the vehicle arriving at the station and then raising the crossing barrier, is controlled.
- the control procedure of the controlled object can be dynamically changed among all the social infrastructures under the control of the server 18. For example, when a power failure (electric power infrastructure) occurs, it is possible to perform control such that the vehicle is moved to the nearest station by a standby power source of the vehicle (railway infrastructure), and the vehicle is stopped after the completion. That is, in the second embodiment, comprehensive optimal control for a plurality of social infrastructures becomes possible.
- a power failure electric power infrastructure
- the result of the control based on the control instruction is notified from the local control device 31 to the server 18 as in the first embodiment. From these facts, the second embodiment can achieve the same effects as those of the first embodiment.
- the present invention is not limited to the above embodiment.
- the architecture is divided into the local control system, the monitoring control system, the driving support system, and the offline business system. Not limited to this, it is also possible to integrate the control systems, further subdivide them, or add a control system having other elements.
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Abstract
Description
そこで、目的は、社会インフラ制御システム、制御方法、制御装置およびサーバを提供することにある。
水処理インフラ15においては、ローカル制御装置31は、上水道の流量を制御したり、灌漑用水やダムの貯水量を制御する機能を備える。このインフラにおける被制御対象にはダムの放水量の制御バルブや可動堰等が該当する。
図4は、第1の実施形態に係るローカル制御装置31と、このローカル制御装置31の上位装置となるサーバ18との連携を示す概念図である。図4において、サーバ18は監視制御系システム320としての機能を実現する。ローカル制御装置31は、主制御部311による運用処理に従って被制御対象をリアルタイムに制御する。その際、ローカル制御装置31は、ネットワーク17を介してサーバ18とリアルタイムに連携する。
(1) 各ローカル制御装置31は、サーバ18から受信した制御指示に係る信号を記憶部313の制御指示用のキューイングメモリ313aにキューイングする。
サーバ18の算出部18bは、制御動作データ、またはセンシングデータをデータベース19から取得し(ステップS59)、いずれか一方のデータ、または両方をイベント情報として解析して、制御対象である社会インフラの特性を算出する(ステップS60)。その結果に基づいて、選択部18cは、社会インフラの特性に適合する制御プログラムをデータベース19から選択する(ステップS61)。
図12は、第2の実施形態に係るローカル制御装置31およびサーバ18の一例を示す機能ブロック図である。図12において、図4と共通する部分には同じ符号を付して示し、ここでは異なる箇所についてのみ説明する。
Claims (21)
- 社会インフラをローカルで制御する制御装置と、前記制御装置と通信可能なサーバとを具備する社会インフラ制御システムにおいて、
前記制御装置は、
前記社会インフラの被制御対象に係わるセンシングデータを収集する収集部と、
前記収集されたセンシングデータを前記通信回線を介して前記サーバに送信する送信部と、
前記被制御対象を制御するための制御指示を前記サーバから受信する受信部と、
前記受信された制御指示に基づいて前記被制御対象を制御する制御部とを備え、
前記サーバは、
前記センシングデータを前記通信回線を介して前記制御装置から取得する取得部と、
前記取得された前記センシングデータを蓄積するデータベースと、
前記データベースに蓄積される前記センシングデータを処理して前記制御指示を生成する生成部と、
前記生成された制御指示を前記制御装置に送信する指示部とを備える、社会インフラ制御システム。 - 前記制御装置は、
前記受信された制御指示をキューイングする記憶部と、
前記キューイングされた制御指示を、前記被制御対象ごとに定められた優先度に基づくタイミングで読み出して前記制御部に渡す優先制御部とを備える、請求項1に記載の社会インフラ制御システム。 - 前記サーバは、
前記生成された制御指示をキューイングする記憶部と、
前記キューイングされた制御指示を、前記被制御対象ごとに定められた優先度に基づくタイミングで読み出して前記指示部に渡す優先制御部とを備える、請求項1に記載の社会インフラ制御システム。 - 前記制御装置は、前記被制御対象への制御の結果を前記サーバに通知する通知部を備える、請求項1に記載の社会インフラ制御システム。
- 前記制御装置は、制御プログラムを記憶する記憶部を備え、
前記サーバは、前記制御装置の監視結果から前記被制御対象の状況を判別し、その結果に基づいて前記制御プログラムを修正する修正部を備える、請求項1に記載の社会インフラ制御システム。 - 前記制御装置は、前記被制御対象との間に設けられる通信アダプタを介して前記被制御対象から情報を収集し、前記制御指示を前記通信アダプタを介して対応する被制御対象に送信し、
前記サーバは、前記通信アダプタによって収集される情報に基づいて制御内容を決定し、その制御内容に沿う制御指示を前記通信アダプタを介して前記被制御対象に送信する、請求項1に記載の社会インフラ制御システム。 - 前記制御装置は、
前記サーバとの通信障害を検出する障害検出部と、
この障害検出部で前記通信障害が検出されると、自律して制御を継続する自律制御部とを備える、請求項1に記載の社会インフラ制御システム。 - 前記制御装置は、
前記サーバとの通信障害を検出する障害検出部と、
この障害検出部で前記通信障害が検出されると、前記サーバとの連携を継続すべく前記サーバとの通信経路を切り替える経路切替部とを備える、請求項1に記載の社会インフラ制御システム。 - さらに、前記制御装置、サーバの少なくともいずれかの処理に関する運転の最適化を調整する運転支援系を備え、
前記運転支援系は、
前記制御装置、サーバの制御指示および監視情報から制御内容の適正を判断する判断手段と、
最適な運転計画を立てて前記制御装置またはサーバに前記運転計画に沿った制御を実行させる運転計画実行手段とを備える、請求項1に記載の社会インフラ制御システム。 - さらに、前記制御装置、サーバの少なくともいずれかの処理に関係する情報を収集し、収集した情報に基づいてインフラ業務をオフラインで実行するオフライン業務系を備える、請求項1に記載の社会インフラ制御システム。
- 前記オフライン業務系は、前記制御装置から取得した処理情報に基づいて課金コストを増減することを特徴とする請求項10に記載の社会インフラ制御システム。
- 前記サーバは、前記データベースを備えるクラウドコンピューティングシステムに備えられる、請求項1に記載の社会インフラ制御システム。
- 社会インフラを制御する制御装置と、前記制御装置と通信可能なサーバとを具備する社会インフラ制御システムに適用可能な制御方法であって、
前記制御装置は、
前記社会インフラの被制御対象に係わるセンシングデータを収集し、
前記収集されたセンシングデータを前記サーバに送信し、
前記被制御対象を制御するための制御指示を前記サーバから受信し、
前記受信された制御指示に基づいて前記被制御対象を制御し、
前記サーバは、
前記センシングデータを前記制御装置から取得し、
前記取得された前記センシングデータをデータベースに蓄積し、
前記データベースに蓄積される前記センシングデータを処理して前記制御指示を生成し、
前記生成された制御指示を前記制御装置に送信する、制御方法。 - 前記制御装置は、
前記受信された制御指示を記憶部にキューイングし、
前記キューイングされた制御指示を、前記被制御対象ごとに定められた優先度に基づくタイミングで前記記憶部から読み出して前記制御部に渡す、請求項13に記載の制御方法。 - 前記サーバは、
前記生成された制御指示を記憶部にキューイングし、
前記キューイングされた制御指示を、前記被制御対象ごとに定められた優先度に基づくタイミングで前記記憶部から読み出して前記制御部に渡す、請求項13に記載の制御方法。 - 前記制御装置は、前記被制御対象への制御の結果を前記サーバに通知する、請求項13に記載の制御方法。
- 社会インフラを制御する、社会インフラ制御システムの制御装置において、
前記社会インフラの被制御対象に係わるセンシングデータを収集する収集部と、
前記収集されたセンシングデータをサーバに送信する送信部と、
前記被制御対象を制御するための制御指示を前記サーバから受信する受信部と、
前記受信された制御指示に基づいて前記被制御対象を制御する制御部とを具備する、社会インフラ制御システムの制御装置。 - さらに、前記受信された制御指示をキューイングする記憶部と、
前記キューイングされた制御指示を、前記被制御対象ごとに定められた優先度に基づくタイミングで読み出して前記制御部に渡す優先制御部とを具備する、請求項17に記載の制御装置。 - さらに、前記被制御対象への制御の結果を前記サーバに通知する通知部を具備する、請求項17に記載の制御装置。
- 社会インフラを制御する制御装置と通信可能な、社会インフラ制御システムのサーバにおいて、
前記社会インフラの被制御対象に係わるセンシングデータを前記制御装置から取得する取得部と、
前記取得された前記センシングデータを蓄積するデータベースと、
前記データベースに蓄積される前記センシングデータを処理して、前記被制御対象を制御するための制御指示を生成する生成部と、
前記生成された制御指示を前記制御装置に送信する指示部とを具備する社会インフラ制御システムのサーバ。 - さらに、前記生成された制御指示をキューイングする記憶部と、
前記キューイングされた制御指示を、前記被制御対象ごとに定められる優先度に基づくタイミングで読み出して前記指示部に渡す優先制御部とを具備する、請求項20に記載のサーバ。
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KR1020147035126A KR101839652B1 (ko) | 2012-05-18 | 2013-03-19 | 제어 장치, 제어 방법 및 인프라 제어 시스템 |
EP13731018.1A EP2852173B1 (en) | 2012-05-18 | 2013-03-19 | Social infrastructure control system, control method, control device, and server |
KR1020137015936A KR20140016250A (ko) | 2012-05-18 | 2013-03-19 | 사회 인프라 제어 시스템, 제어 방법, 제어 장치 및 서버 |
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SG2013052691A SG194423A1 (en) | 2012-05-18 | 2013-03-19 | Social infrastructure control system, control method, control apparatus, and server |
CN201380000404.4A CN103718566B (zh) | 2012-05-18 | 2013-03-19 | 社会基础设施控制系统、控制方法、控制装置及服务器 |
US13/934,480 US9494924B2 (en) | 2012-05-18 | 2013-07-03 | Social infrastructure control system, control method, control apparatus, and server |
US15/266,710 US20170003669A1 (en) | 2012-05-18 | 2016-09-15 | Social infrastructure control system, control method, control apparatus, and server |
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EP2852173B1 (en) | 2018-07-11 |
JPWO2013172088A1 (ja) | 2016-01-12 |
KR20150004935A (ko) | 2015-01-13 |
EP2852173A4 (en) | 2016-06-08 |
JP6092099B2 (ja) | 2017-03-08 |
KR20140016250A (ko) | 2014-02-07 |
KR101839652B1 (ko) | 2018-03-16 |
CN103718566B (zh) | 2017-07-18 |
SG194423A1 (en) | 2013-12-30 |
EP2852173A1 (en) | 2015-03-25 |
CN107300888A (zh) | 2017-10-27 |
JP2017112631A (ja) | 2017-06-22 |
CN103718566A (zh) | 2014-04-09 |
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