WO2022209902A1 - 表示装置、制御装置、制御方法及びプログラム - Google Patents
表示装置、制御装置、制御方法及びプログラム Download PDFInfo
- Publication number
- WO2022209902A1 WO2022209902A1 PCT/JP2022/011970 JP2022011970W WO2022209902A1 WO 2022209902 A1 WO2022209902 A1 WO 2022209902A1 JP 2022011970 W JP2022011970 W JP 2022011970W WO 2022209902 A1 WO2022209902 A1 WO 2022209902A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- process data
- index value
- display
- coordinate space
- unit
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 139
- 230000008569 process Effects 0.000 claims abstract description 134
- 238000004364 calculation method Methods 0.000 claims abstract description 24
- 230000010365 information processing Effects 0.000 claims abstract description 14
- 238000003672 processing method Methods 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 description 37
- 239000000463 material Substances 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 239000007789 gas Substances 0.000 description 14
- 239000000446 fuel Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 11
- 229920006395 saturated elastomer Polymers 0.000 description 9
- 230000008859 change Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 8
- 238000011084 recovery Methods 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000007781 pre-processing Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000032683 aging Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004422 calculation algorithm Methods 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 208000032368 Device malfunction Diseases 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- 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
- G05B15/00—Systems controlled by a computer
- G05B15/02—Systems controlled by a computer electric
-
- 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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
-
- 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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0216—Human interface functionality, e.g. monitoring system providing help to the user in the selection of tests or in its configuration
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/901—Indexing; Data structures therefor; Storage structures
- G06F16/9024—Graphs; Linked lists
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/90—Details of database functions independent of the retrieved data types
- G06F16/903—Querying
- G06F16/9038—Presentation of query results
-
- 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
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31477—Display correlated data so as to represent the degree of correlation
Definitions
- the present invention relates to a display device, a control device, a control method, and a program that display indicators relating to the operation of target equipment.
- Patent Literature 1 describes a graph in which the degree of abnormality indicating the degree of abnormality in a power device is plotted on the vertical axis and the time t is plotted on the horizontal axis, in an abnormality diagnosis apparatus that diagnoses power device malfunction. Furthermore, Patent Literature 1 describes adding the reliability of determination of the degree of abnormality to the above graph.
- the operator who operates the target device operates the target device based on the information obtained from the graph described in Patent Document 1, for example.
- index values related to operation such as the degree of anomaly and reliability
- the degree of anomaly and reliability even if the degree of anomaly is high, the actual degree of anomaly and the need to respond to the anomaly depend on the degree of reliability. Gender sizes vary. In this way, in operating the target device, it is necessary to make a decision by integrating individual index values such as the degree of anomaly and the degree of reliability.
- an object of the present invention is to provide a display device, a control device, a control method, and a program that enable easy confirmation of a plurality of index values relating to the operation of target equipment.
- an information processing apparatus includes a data acquisition unit that acquires process data of a target device; Defined by a first index value calculation unit, a second index value calculation unit that calculates a second index value related to the operation of the target equipment based on the process data, and an axis that indicates the first index value and an axis that indicates the second index value and a display control unit that causes a display unit to display the coordinate space where the coordinate space is set, and the representative point of the process data in the coordinate space.
- the axis indicating the first index value regarding the operation of the target equipment calculated based on the process data and the axis indicating the second index value regarding the operation of the target equipment calculated based on the process data A representative point of the process data is displayed in the defined coordinate space. Therefore, since the operator can confirm the magnitudes of the first index value and the second index value of the process data at once, confirmation of a plurality of index values is facilitated.
- a display device includes an axis indicating a first index value relating to the operation of the target device calculated based on the process data of the target device, and A coordinate space defined by an axis indicating a first index value relating to operation, and representative points of process data in the coordinate space are displayed.
- the axis indicating the first index value regarding the operation of the target equipment calculated based on the process data and the axis indicating the second index value regarding the operation of the target equipment calculated based on the process data A representative point of the process data is displayed in the defined coordinate space. Therefore, since the operator can confirm the magnitudes of the first index value and the second index value of the process data at once, confirmation of a plurality of index values is facilitated.
- an information processing method in which an information processing apparatus acquires process data of a target device, calculates a first index value related to operation of the target device based on the process data, and processes Calculating a second index value related to the operation of the target equipment based on the data, a coordinate space defined by the axis indicating the first index value and the axis indicating the second index value, and the process data in the coordinate space Displaying the representative point on the display unit is executed.
- the axis indicating the first index value regarding the operation of the target equipment calculated based on the process data and the axis indicating the second index value regarding the operation of the target equipment calculated based on the process data A representative point of the process data is displayed in the defined coordinate space. Therefore, since the operator can confirm the magnitudes of the first index value and the second index value of the process data at once, confirmation of a plurality of index values is facilitated.
- a program comprises an information processing apparatus comprising: a data acquisition unit that acquires process data of a target device; a calculator, a second index value calculator that calculates a second index value related to the operation of the target device based on the process data, and coordinates defined by the axis indicating the first index value and the axis indicating the second index value
- a program that functions as a display control unit that displays a space and a representative point of process data in the coordinate space on a display unit.
- the axis indicating the first index value regarding the operation of the target equipment calculated based on the process data and the axis indicating the second index value regarding the operation of the target equipment calculated based on the process data A representative point of the process data is displayed in the defined coordinate space. Therefore, since the operator can confirm the magnitudes of the first index value and the second index value of the process data at once, confirmation of a plurality of index values is facilitated.
- FIG. 7 is a diagram showing another example of a screen displayed on the display device 32 according to the embodiment
- FIG. 9 is a diagram showing still another example of a screen displayed on the display device 32 according to the embodiment
- FIG. 1 is a schematic diagram showing the overall configuration of the plant according to this embodiment.
- the plant 1 is, for example, a power plant (combustion plant) including a circulating fluidized bed boiler (circulating fluidized bed type), which burns fuel while circulating a circulating material such as silica sand that flows at high temperature to generate steam. It is equipped with a boiler that allows As the fuel for the plant 1, in addition to fossil fuels such as coal, for example, non-fossil fuels (woody biomass, waste tires, waste plastics, sludge, etc.) can be used. Steam generated in plant 1 is used to drive turbine 100 .
- Plants targeted by the present embodiment are not limited to power plants including boilers and incineration plants, and may be plants such as chemical plants and wastewater treatment plants from which process data can be acquired.
- the plant 1 is configured to burn fuel in a furnace 2, separate a circulating material from exhaust gas by a cyclone 3 functioning as a solid-gas separator, and return the separated circulating material to the furnace 2 for circulation.
- the separated circulating material is returned to the lower part of the furnace 2 via a circulating material recovery pipe 4 connected below the cyclone 3 .
- the lower portion of the circulating material recovery pipe 4 and the lower portion of the furnace 2 are connected via a loop seal portion 4a having a narrowed flow path.
- a predetermined amount of circulating material is stored in the lower portion of the circulating material recovery pipe 4 .
- the exhaust gas from which the circulating material has been removed by the cyclone 3 is supplied to the rear flue 5 via the exhaust gas passage 3a.
- the boiler is equipped with a furnace 2 for burning fuel and a heat exchanger for generating steam using the heat obtained by combustion.
- a fuel supply port 2a for supplying fuel is provided in the middle part of the furnace 2, and a gas outlet 2b for discharging combustion gas is provided in the upper part of the furnace 2.
- Fuel supplied to the furnace 2 from a fuel supply device (not shown) is supplied to the interior of the furnace 2 through a fuel supply port 2a.
- Furnace wall tubes 6 for heating boiler feed water are provided on the furnace wall of the furnace 2 . Boiler feedwater flowing through the furnace wall tube 6 is heated by combustion in the furnace 2 .
- solid matter containing fuel supplied from the fuel supply port 2a is fluidized by combustion/fluidizing air introduced from the lower air supply line 2c, and the fuel is fluidized at about 800 to 900, for example. °C.
- Combustion gas generated in the furnace 2 is introduced into the cyclone 3 while entraining the circulating material.
- the cyclone 3 separates the circulating material from the gas by centrifugal separation, returns the separated circulating material to the furnace 2 through the circulating material recovery pipe 4, and transfers the combustion gas from which the circulating material has been removed to the exhaust gas flow path 3a. to the rear flue 5.
- furnace bed material In the furnace 2, part of the circulating material called furnace bed material stays at the bottom.
- This bed material may contain bed material having a coarse particle size that is unsuitable for circulation and contaminants from exhaust combustion. Therefore, in the furnace 2, the in-furnace bed material is continuously or intermittently discharged to the outside from the discharge port 2d at the bottom in order to suppress poor flow.
- the discharged bed material is supplied to the furnace 2 again or discarded as it is after removing unsuitable materials such as metals and coarse grains on a circulation line (not shown).
- the circulating material in the furnace 2 circulates in a circulating system composed of the furnace 2 , the cyclone 3 and the circulating material recovery pipe 4 .
- the rear flue 5 has a flow path through which the gas discharged from the cyclone 3 flows to the rear stage.
- the rear flue 5 has a superheater 10 for generating superheated steam and an economizer 12 for preheating boiler feed water as an exhaust heat recovery section for recovering the heat of the exhaust gas.
- the exhaust gas flowing through the rear flue 5 is cooled by heat exchange with steam and boiler feed water flowing through the superheater 10 and economizer 12 .
- It also has a steam drum 8 in which the boiler feedwater that has passed through the economizer 12 is stored, and the steam drum 8 is also connected to the furnace wall pipe 6 .
- the economizer 12 transfers the heat of the exhaust gas to the boiler feed water to preheat the boiler feed water.
- Economizer 12 is connected to pump 7 by pipe 21 and to steam drum 8 by pipe 22 .
- Boiler feed water supplied from pump 7 via pipe 21 to economizer 12 and preheated by economizer 12 is fed via pipe 22 to steam drum 8 .
- a downcomer pipe 8 a and a furnace wall pipe 6 are connected to the steam drum 8 .
- Boiler feed water in the steam drum 8 descends down the downcomer pipe 8a, is introduced into the furnace wall pipe 6 on the lower side of the furnace 2, and flows toward the steam drum 8.
- the boiler water supply in the furnace wall tube 6 is heated by the combustion heat generated in the furnace 2 and evaporated in the steam drum 8 to become steam.
- a saturated steam pipe 8b is connected to the steam drum 8 for discharging the steam inside.
- the saturated steam pipe 8 b connects the steam drum 8 and the superheater 10 .
- the steam in the steam drum 8 is supplied to the superheater 10 via the saturated steam pipe 8b.
- the superheater 10 uses the heat of the exhaust gas to superheat steam to generate superheated steam.
- the superheated steam passes through the pipe 10a, is supplied to the turbine 100 outside the plant 1, and is used for power generation.
- the pressure and temperature of the steam discharged from the turbine 100 are lower than the pressure and temperature of the steam discharged from the superheater 10.
- the pressure of the steam supplied to the turbine 100 is about 10-17 MPa, and the temperature is about 530-570.degree.
- the pressure of the steam discharged from the turbine 100 is about 3-5 MPa, and the temperature is about 350-400.degree.
- a condenser 102 is provided downstream of the turbine 100 . Steam discharged from the turbine 100 is supplied to the condenser 102 , condensed in the condenser 102 and returned to saturated water, and then supplied to the pump 7 .
- Turbine 100 is connected to a generator that converts kinetic energy obtained by rotation of turbine 100 into electrical energy.
- the pump 7a supplies make-up water so as to keep the water level of the condenser 102 constant.
- FIG. 1 shows the make-up water flow rate u1 (an example of the measured value included in the “process data”) supplied by the pump 7a.
- the process data handled in this embodiment is data relating to the operation of the plant 1, and can also be referred to as operation data.
- the process data may be, for example, data obtained by measuring the state of the plant 1 with a sensor, and more specifically, may include at least one measured value of the plant 1 temperature, pressure, flow rate, and the like.
- the process data may further include time information indicating the time when the at least one measurement value was obtained.
- FIG. 1 shows the boiler feed water flow rate u2 supplied from the pump 7 to the economizer 12 (an example of the measured value included in the "process data"). Furthermore, FIG.
- boiler outlet steam flow rate u3 (an example of a measured value included in “process data”) supplied from the superheater 10 to the turbine 100, and saturated steam supplied from the steam drum 8 to the superheater 10
- Flow rate u4 (an example of a measured value included in "process data") is shown.
- the make-up water flow rate u1 may be controlled so as to follow the saturated steam flow rate u4. Further, while monitoring both the boiler outlet steam flow rate u3 (or superheated steam flow rate) and the liquid level of the steam drum 8, the boiler feed water flow rate u2 may be controlled to follow the adjustment.
- DCS Distributed Control System 20 receives process data of plant 1 such as makeup water flow rate u1, boiler feed water flow rate u2, boiler outlet steam flow rate u3, saturated steam flow rate u4, etc.
- the operation status including the operation rate of the turbine 100 is grasped, and the plant 1 is monitored for any abnormality.
- the process data relating to the plant 1 may be other data.
- the process data relating to the plant 1 may be other data such as temperature and pressure, data calculated based on a plurality of process data, or uncalculated data obtained from sensors or the like.
- FIG. 2 is a diagram showing functional blocks of the system 30 according to this embodiment.
- FIG. 3 is a diagram showing the physical configuration of the system 30 according to this embodiment.
- the DCS 20 is a distributed control system for controlling the plant 1, and as shown in FIG. A signal is fed to plant 1 .
- the system 30 includes a control unit 31, a display device 32, and a storage unit 33.
- the control unit 31 includes, for example, a process data acquisition unit 311 , an abnormality degree calculation unit 312 , a reliability calculation unit 313 , a display control unit 314 and an operation reception unit 315 .
- the process data acquisition unit 311 acquires process data from the DCS 20.
- the process data may include, for example, at least one measured value of the plant 1 and time information when the at least one measured value was obtained.
- the process data acquisition unit 311 may, for example, sequentially acquire process data from the DCS 20 during operation of the plant 1, or collectively acquire process data measured during operation after the operation of the plant 1. may
- the process data acquisition unit 311 stores the acquired process data in the storage unit 33 .
- the process data acquisition unit 311 may perform predetermined preprocessing on the process data acquired from the DCS 20 .
- Predetermined preprocessing is not particularly limited, but includes, for example, signal selection for selecting a signal that satisfies a predetermined condition, noise removal for removing noise using a filter with a predetermined strength, and diagnostic mode determination for detecting the case of process data that satisfies a predetermined condition. etc. may be included.
- the abnormality degree calculation unit 312 is an example of a first index value calculation unit and calculates the degree of abnormality based on process data. Specifically, the degree-of-abnormality calculator 312 calculates the degree of abnormality based on at least one measurement value included in the process data.
- the degree of abnormality is an example of a first index value relating to the operation of the target equipment, and is an index indicating the degree of abnormality in the operation of the plant 1 .
- the degree of anomaly may be, for example, the degree to which a signal related to a serious failure differs from a normal time, and as a specific example, the Mahalanobis distance between "normal time” and "evaluation time" for a signal related to a serious failure is assumed. is not limited to this.
- the degree-of-abnormality calculation unit 312 may calculate the degree of abnormality in consideration of the operating conditions in order to prevent false alarms of trend changes due to changes in the operating conditions.
- the first index value is not limited to the degree of abnormality, and may be any index value related to the operation of target equipment such as the plant 1 .
- the reliability calculation unit 313 is an example of a second index value calculation unit and calculates reliability based on process data. Specifically, the reliability calculation unit 313 calculates reliability based on at least one measurement value included in the process data.
- the reliability is an example of a second index value relating to the operation of the target device, and is an index value indicating the reliability of the above-described abnormality degree.
- the reliability may be, for example, an index value indicating the reliability of the process data or algorithm used to calculate the degree of anomaly.
- the degree of reliability may be, for example, the same degree for signals related to operating conditions as for normal times, and as a specific example, the Mahalanobis distance between "normal time” and "evaluation time” for signals related to operating conditions is assumed. It is not limited to this.
- the second index value is not limited to the reliability, but is an index value indicating the degree of reliability of the first index value (the degree of reliability of the process data or algorithm used to calculate the first index value). index value).
- the display control unit 314 generates display data based on the acquired process data and various indices calculated based on the process data, and causes the display device 32 to display a display screen based on the display data.
- the display control unit 314 causes the display device 32 to display, for example, the coordinate space defined by the axis indicating the first index value and the axis indicating the second index value, and the representative points of the process data in the coordinate space. good.
- the display control unit 314 may further cause the display device 32 to display the time information associated with the process data in association with the representative point.
- the display control unit 314 may further cause the display device 32 to display areas divided by boundaries in the coordinate space.
- the display control unit 314 may further cause the display device 32 to display temporal changes in representative points in the coordinate space.
- the change over time of the representative points may be discrete or continuous.
- a plurality of representative points associated with each of a plurality of pieces of time information may be indicated in a coordinate space.
- a continuous diagram showing the trajectory of representative points over time in a predetermined range (from a predetermined start time to a predetermined end time) related to time information may be shown in a coordinate space. good.
- the display control unit 314 may further cause the display device 32 to display a time-series graph of the first index value and/or the second index value.
- the display control unit 314 may further cause the display device 32 to display a time-series graph of process data (feature amounts) used to calculate the first index value and/or the second index value.
- the display control unit 314 may cause the display device 32 to display the representative point of the process data associated with the time information.
- the operation accepting unit 315 is an example of an accepting unit, and accepts any operation by the operator via the input unit 30e.
- the content of the operation is not particularly limited, but may include selection of time information by the operator, for example.
- the display device 32 is composed of, for example, a display section 30f, which will be described later, and displays various display screens including information on the operation of the plant 1 based on display data supplied by the display control section 314. Various display screens displayed by the display device 32 will be described later.
- the storage unit 33 stores the above-described process data of the plant 1 and reference data.
- the reference data is data for preventing false alarms due to seasonality and aging.
- the reference data may be evaluated for usefulness, for example, by the controller 31 of the system 30 .
- the reference data stored in storage unit 33 may be periodically updated by control unit 31 of system 30 .
- the system 30 physically includes a CPU (Central Processing Unit) 30a, a RAM (Random Access Memory) 30b, a ROM (Read Only Memory) 30c, a communication section 30d, and an input section 30e. , and a display unit 30f, and these components are connected to each other via a bus so as to be able to transmit and receive data to each other.
- a CPU Central Processing Unit
- RAM Random Access Memory
- ROM Read Only Memory
- the system 30 may be realized by combining a plurality of computers.
- a display constituting a different display section for displaying other information may be provided.
- the system 30 may be configured by a tablet terminal. By configuring the system 30 with a tablet terminal, the system 30 can be carried around, and the system 30 can be used while patrolling the plant 1, for example.
- the configuration shown in FIG. 3 is an example, and the system 30 may have configurations other than these, or may not have some of these configurations. Also, part of the configuration may be provided at a remote location.
- control unit 31 having the CPU 30a and the like may be provided at a remote location.
- the display device 32 having the display unit 30f and the like may be configured to acquire the control signal generated by the control unit 31 provided at a remote location via the network.
- the CPU 30a is a computing unit that controls the execution of programs stored in the RAM 30b or ROM 30c and computes and processes data.
- the CPU 30a is an arithmetic unit that executes a program (monitoring program) for displaying a graph of process data of the plant 1 and explanatory text.
- the CPU 30a receives various data from the input section 30e and the communication section 30d, and displays the calculation results of the data on the display section 30f and stores them in the RAM 30b.
- the RAM 30b is a rewritable part of the storage unit, and may be composed of a semiconductor storage element such as a DRAM or SRAM.
- the RAM 30 b may store data such as programs executed by the CPU 30 a and process data of the plant 1 . Note that these are examples, and the RAM 30b may store data other than these, or may not store some of them.
- the ROM 30c is one of the storage units from which data can be read, and may be composed of, for example, a semiconductor storage element such as a flash memory, or an HDD.
- the ROM 30c may store, for example, a computer program for executing various processes shown in this embodiment and data that is not rewritten.
- the data that is not rewritten includes, for example, information about the plant 1, the specifications of the components of the plant 1, and the like.
- the ROM 30c may store data such as process data of the plant 1, indices related to the operation of the plant 1 (availability rate, efficiency, etc.), planned shutdown period, and the like, for example.
- the communication unit 30d is an interface that connects the system 30 to other devices.
- the communication unit 30d may be connected to a communication network such as the Internet.
- the input unit 30e receives input of data according to operations by the operator, and may include, for example, a keyboard and a touch panel.
- the display unit 30f has a screen that visually displays the calculation result by the CPU 30a, and may be configured by, for example, an LCD (Liquid Crystal Display).
- the display unit 30f may display a graph of process data and an explanation. Further, the display unit 30f may be provided so as to configure one screen by connecting a plurality of displays.
- a computer program for executing various processes shown in the present embodiment may be stored in a computer-readable storage medium such as the ROM 30c and provided, or may be provided via a communication network connected by the communication unit 30d. may be provided.
- various operations included in the present embodiment are realized by the CPU 30a executing the monitoring program. It should be noted that these physical configurations are examples, and do not necessarily have to be independent configurations.
- the system 30 may include an LSI (Large-Scale Integration) in which the CPU 30a and the RAM 30b or ROM 30c are integrated.
- FIG. 4 is a flow chart showing an example of the operation process. Note that the contents and order of the steps shown below are examples, and the operation process is not limited to this.
- the process data acquisition unit 311 acquires the process data of the plant 1 from the DCS20.
- the process data may include, for example, at least one measured value of the plant 1 and time information when the at least one measured value was obtained.
- the timing at which the process data acquisition unit 311 acquires the process data is not particularly limited, but may be during operation of the plant 1, for example.
- the process data acquisition unit 311 may collectively acquire the process data measured during the operating time after the plant 1 is operated.
- the process data acquisition unit 311 may cause the storage unit 33 to store the process data acquired from the DCS 20 .
- the process data acquisition unit 311 may perform predetermined preprocessing on the process data acquired from the DCS 20 . Predetermined preprocessing is not particularly limited, but may include, for example, signal selection, noise removal, diagnosis mode determination, and the like.
- the degree-of-abnormality calculator 312 calculates the degree of abnormality based on the acquired process data. Specifically, the degree-of-abnormality calculator 312 calculates the degree of abnormality based on at least one measurement value included in the process data. Thereby, the degree of abnormality is calculated in association with the time information included in the process data. In addition, the abnormality degree calculation unit 312 may consider the reference data stored in the storage unit 33 when calculating the degree of abnormality. This prevents false alarms due to seasonality and aging.
- the reliability calculation unit 313 calculates reliability based on the acquired process data. Specifically, the reliability calculation unit 313 calculates reliability based on at least one measurement value included in the process data. Thereby, the reliability is calculated in association with the time information included in the process data. Note that the reliability calculation unit 313 may consider the reference data stored in the storage unit 33 when calculating the reliability. This prevents false alarms due to seasonality and aging.
- the display control unit 314 causes the display device 32 to display a predetermined screen based on the calculated degree of abnormality, reliability, and the like. Note that the display control unit 314 may update the content of the screen displayed on the display device 32 based on the operator's operation received by the operation receiving unit 315 .
- the predetermined screen will be described below with reference to FIGS.
- FIG. 5 is a diagram showing an example of a screen displayed on the display device 32 according to this embodiment.
- FIG. 5 shows a screen DP1 as an example of a screen displayed on the display device 32.
- the screen DP1 is displayed on the display device 32 based on display data generated by the display control unit 314 of the system 30, for example.
- the screen DP1 may include a coordinate space defined by an axis indicating the degree of abnormality and an axis indicating the degree of reliability.
- a coordinate space 101 defined by an axis indicating the degree of abnormality and an axis indicating the degree of reliability is displayed on the screen DP1.
- the horizontal axis of the coordinate space 101 corresponds to the degree of abnormality
- the vertical axis of the coordinate space 101 corresponds to the degree of reliability.
- the screen DP1 may include representative points of process data in the coordinate space.
- the representative point of the process data is placed at a position corresponding to each of the degree of abnormality and the degree of reliability calculated based on the process data in the coordinate space.
- two plots 102a and 102b are shown on the screen DP1.
- plot 102a is a representative point of process data associated with specific time information.
- the horizontal axis position of the plot 102a corresponds to the position of the degree of abnormality calculated based on the process data
- the vertical axis position of the plot 102a corresponds to the position of the reliability calculated based on the process data.
- the plot 102b is a representative point of the process data associated with other time information different from the time information corresponding to the plot 102a.
- the horizontal axis position of the plot 102b corresponds to the position of the degree of abnormality calculated based on the process data
- the vertical axis position of the plot 102b corresponds to the position of the reliability calculated based on the process data. corresponds to
- the screen DP1 may include time information associated with each plot displayed in the coordinate space and with the process data on which the plot is based.
- the time information 103a represented by the text "February 2021” is displayed in association with the plot 102a. That is, the time information associated with the process data on which the plot 102a is based is "February 2021".
- the time information 103b represented by the text "September 2020” is displayed in association with the plot 102b. That is, the time information associated with the process data on which the plot 102b is based is "September 2020".
- the screen DP1 may include at least one area partitioned by arbitrary boundaries in the coordinate space. Regions may be defined, for example, by the magnitude of the anomaly and/or confidence values.
- the coordinate space 101 includes five regions R1-R5. Regions R1 to R5 are defined by thresholds E1 and E2 for the degree of anomaly and threshold C1 for the degree of reliability. Assuming that the degree of abnormality is represented by a variable “e” and the degree of reliability is represented by a variable “c”, for example, the region R1 is defined as a region of “e ⁇ E1” and “c ⁇ C1”, and the region R2 is defined as “E1 ⁇ e ⁇ E2” and “c ⁇ C1”.
- the region R3 is defined as a region of “E2 ⁇ e” and “c ⁇ C1”
- the region R4 is defined as a region of “e ⁇ E1” and “C1 ⁇ c”
- the region R5 is defined as a region of “E1 ⁇ e ” and “C1 ⁇ c”.
- the method of segmenting the regions is not limited to the example described above, and may be defined by arbitrary boundaries defined on the coordinate space. The boundary is not limited to a straight line and may be a curved line.
- predetermined criteria may be displayed in a manner associated with each area.
- the criterion may be a criterion regarding the operating state of the plant 1 defined as conditions of the degree of abnormality and the degree of reliability.
- the judgment criteria can be arbitrarily set in advance by an administrator or the like.
- the text "Alert” is displayed as the determination criterion associated with the region R3
- the text "Normal determination” is displayed as the determination criterion associated with the region R4
- the region A text of "warning determination ⁇ issue" is displayed as a determination criterion associated with R5.
- the information regarding the plot may be displayed.
- the information about the plot is not particularly limited, but includes, for example, time information associated with the plot, a first index value, a second index value, an arbitrary feature amount, and information indicating trends in changes in these information. It's okay.
- the feature amount may be process data used for calculating the first index value or the second index value.
- the blowout 104 extends from the plot 102a.
- the balloon 104 may be displayed as a popup, for example, when the operator performs an operation to select the plot 102a.
- time information "2021/2/10 17:32", degree of abnormality "8" and its trend " ⁇ " (increasing trend), reliability "0.5” and its trend “ ⁇ ” (maintenance tendency), feature A "10” and its trend “ ⁇ ", and feature B "20” and its trend “ ⁇ ” are included.
- the operator can easily check the necessary information, and the burden of decision-making can be reduced. reduced.
- FIG. 6 is a diagram showing another example of the screen displayed on the display device 32 according to this embodiment.
- FIG. 6 shows a screen DP2 as an example of a screen displayed on the display device 32.
- the screen DP2 is displayed on the display device 32 based on display data generated by the display control unit 314 of the system 30, for example.
- the screen DP2 may include changes over time of representative points of process data in a coordinate space defined by an axis indicating the degree of abnormality and an axis indicating the degree of reliability.
- a coordinate space 101 defined by an axis indicating the degree of abnormality and an axis indicating the degree of reliability is displayed on the screen DP2.
- plots 102c, 102d, 102e, and 102f, and time information 103c, 103d, 103e, and 103f associated with these plots are displayed.
- the time information 103c is "t-3"
- the time information 103d is “t-2”
- the time information 103e is “t-1”
- the time information 103f is "t”.
- the representative points of the process data are shown sequentially represented as plots 102c, 102d, 102e, and 102f over time.
- Each plot such as plots 102c, 102d, 102e, and 102f may change in aspect based on the corresponding time information.
- the manner of plotting may be changed according to the area defined on the coordinate space.
- plots 102c, 102d, 102e, and 102f are sequentially darker in color.
- a plurality of discrete plots may show the change over time of the representative points of the process data, but not limited to this, for example, a continuous A diagram may be displayed.
- FIG. 7 is a diagram showing another example of the screen displayed on the display device 32 according to this embodiment.
- FIG. 7 shows a screen DP3 as an example of a screen displayed on the display device 32.
- the screen DP3 is displayed on the display device 32 based on display data generated by the display control unit 314 of the system 30, for example.
- the screen DP3 may include a time-series graph of the degree of abnormality/reliability and a time-series graph of the feature amount, in addition to the coordinate space defined by the axis indicating the degree of abnormality and the axis indicating the degree of reliability.
- a coordinate space 101 defined by an axis indicating the degree of abnormality and an axis indicating the degree of reliability is displayed on the screen DP3.
- a graph 201 is included.
- the anomaly/reliability time-series graph 201 is a graph showing time-series changes in the anomaly and reliability.
- the horizontal axis indicates time information
- the vertical axis indicates the anomaly/reliability.
- a solid line indicates a time-series change in the degree of anomaly
- a dotted line indicates a time-series change in the degree of reliability.
- the abnormality/reliability time series graph 201 shows a dotted line 201a corresponding to specific time information.
- a dotted line 201a corresponding to the selected time information may be shown in the anomaly/reliability time series graph 201.
- representative points of process data corresponding to the selected time information may be displayed in the coordinate space 101 .
- a feature quantity time series graph 301 is further shown below the anomaly/reliability time series graph 201 on the screen DP3.
- a feature amount time-series graph 301 is a graph showing a time-series change in the feature amount.
- the horizontal axis indicates time information
- the vertical axis indicates the degree of abnormality/reliability.
- the one-dot chain line indicates the time-series change of one feature amount
- the two-dot chain line indicates the time-series change of another feature amount.
- a feature amount time series graph 301 shows a dotted line 301a corresponding to specific time information.
- the feature amount time series graph 301 may show a dotted line 301a corresponding to the selected time information. Further, according to the selection, representative points of process data corresponding to the selected time information may be displayed in the coordinate space 101 .
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Data Mining & Analysis (AREA)
- Software Systems (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Selective Calling Equipment (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
Description
Claims (9)
- 対象機器のプロセスデータを取得するデータ取得部と、
前記プロセスデータに基づいて、前記対象機器の運転に関する第1指標値を算出する第1指標値算出部と、
前記プロセスデータに基づいて、前記対象機器の運転に関する第2指標値を算出する第2指標値算出部と、
前記第1指標値を示す軸及び前記第2指標値を示す軸により規定される座標空間、及び前記座標空間における前記プロセスデータの代表点を、表示部に表示させる表示制御部と、
を備える情報処理装置。 - 前記表示制御部は、更に、前記プロセスデータに対応付けられた時刻情報を前記代表点に対応付けて、前記表示部に表示させる、請求項1に記載の情報処理装置。
- 前記表示制御部は、更に、前記座標空間において境界により区分された領域を、前記表示部に表示させる、請求項1又は2に記載の情報処理装置。
- 前記表示制御部は、更に、前記座標空間における前記代表点の経時的変化を前記表示部に表示させる、請求項1から3のいずれか一項に記載の情報処理装置。
- 前記表示制御部は、更に、前記第1指標値及び/又は前記第2指標値の時系列グラフを、前記表示部に表示させる、請求項1から4のいずれか一項に記載の情報処理装置。
- 前記プロセスデータの時刻情報の選択を受け付ける受付部、を更に備え、
前記表示制御部は、前記受付部が受け付けた前記選択に係る時刻情報に対応付けられた前記プロセスデータの前記代表点を、前記表示部に表示させる、請求項1から5のいずれか一項に記載の情報処理装置。 - 対象機器のプロセスデータに基づいて算出された前記対象機器の運転に関する第1指標値を示す軸、及び対象機器のプロセスデータに基づいて算出された前記対象機器の運転に関する第1指標値を示す軸、により規定される座標空間と、
前記座標空間における前記プロセスデータの代表点と、
を表示する表示装置。 - 情報処理装置が、
対象機器のプロセスデータを取得することと、
前記プロセスデータに基づいて、前記対象機器の運転に関する第1指標値を算出することと、
前記プロセスデータに基づいて、前記対象機器の運転に関する第2指標値を算出することと、
前記第1指標値を示す軸及び前記第2指標値を示す軸により規定される座標空間、及び該座標空間における前記プロセスデータの代表点を、表示部に表示させることと、
を実行する情報処理方法。 - 情報処理装置を、
対象機器のプロセスデータを取得するデータ取得部と、
前記プロセスデータに基づいて、前記対象機器の運転に関する第1指標値を算出する第1指標値算出部と、
前記プロセスデータに基づいて、前記対象機器の運転に関する第2指標値を算出する第2指標値算出部と、
前記第1指標値を示す軸及び前記第2指標値を示す軸により規定される座標空間、及び該座標空間における前記プロセスデータの代表点を、表示部に表示させる表示制御部と、
として機能させるプログラム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2022248265A AU2022248265A1 (en) | 2021-03-30 | 2022-03-16 | Display device, control device, control method, and program |
JP2023510914A JPWO2022209902A1 (ja) | 2021-03-30 | 2022-03-16 | |
KR1020237034611A KR20230161460A (ko) | 2021-03-30 | 2022-03-16 | 표시장치, 제어장치, 제어방법 및 프로그램 |
EP22780122.2A EP4318155A4 (en) | 2021-03-30 | 2022-03-16 | DISPLAY DEVICE, CONTROL DEVICE, CONTROL METHOD AND PROGRAM |
US18/475,213 US20240012376A1 (en) | 2021-03-30 | 2023-09-27 | Display device, control device, control method, and non-transitory computer readable medium storing program |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2021-056946 | 2021-03-30 | ||
JP2021056946 | 2021-03-30 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US18/475,213 Continuation US20240012376A1 (en) | 2021-03-30 | 2023-09-27 | Display device, control device, control method, and non-transitory computer readable medium storing program |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022209902A1 true WO2022209902A1 (ja) | 2022-10-06 |
Family
ID=83459019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2022/011970 WO2022209902A1 (ja) | 2021-03-30 | 2022-03-16 | 表示装置、制御装置、制御方法及びプログラム |
Country Status (7)
Country | Link |
---|---|
US (1) | US20240012376A1 (ja) |
EP (1) | EP4318155A4 (ja) |
JP (1) | JPWO2022209902A1 (ja) |
KR (1) | KR20230161460A (ja) |
AU (1) | AU2022248265A1 (ja) |
TW (1) | TW202238301A (ja) |
WO (1) | WO2022209902A1 (ja) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018106432A (ja) * | 2016-12-27 | 2018-07-05 | 株式会社日立製作所 | オンライン監視装置、及びオンライン監視方法 |
JP2020030125A (ja) | 2018-08-23 | 2020-02-27 | 株式会社日立製作所 | 異常診断装置及び異常診断方法 |
WO2020084965A1 (ja) * | 2018-10-25 | 2020-04-30 | 三菱日立パワーシステムズ株式会社 | プラントの運転支援装置 |
WO2021049506A1 (ja) * | 2019-09-11 | 2021-03-18 | 日立造船株式会社 | 情報処理装置、運転支援システム、情報処理方法、および情報処理プログラム |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200382534A1 (en) * | 2019-05-30 | 2020-12-03 | Entit Software Llc | Visualizations representing points corresponding to events |
-
2022
- 2022-03-07 TW TW111108143A patent/TW202238301A/zh unknown
- 2022-03-16 JP JP2023510914A patent/JPWO2022209902A1/ja active Pending
- 2022-03-16 AU AU2022248265A patent/AU2022248265A1/en active Pending
- 2022-03-16 KR KR1020237034611A patent/KR20230161460A/ko active Search and Examination
- 2022-03-16 EP EP22780122.2A patent/EP4318155A4/en active Pending
- 2022-03-16 WO PCT/JP2022/011970 patent/WO2022209902A1/ja active Application Filing
-
2023
- 2023-09-27 US US18/475,213 patent/US20240012376A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018106432A (ja) * | 2016-12-27 | 2018-07-05 | 株式会社日立製作所 | オンライン監視装置、及びオンライン監視方法 |
JP2020030125A (ja) | 2018-08-23 | 2020-02-27 | 株式会社日立製作所 | 異常診断装置及び異常診断方法 |
WO2020084965A1 (ja) * | 2018-10-25 | 2020-04-30 | 三菱日立パワーシステムズ株式会社 | プラントの運転支援装置 |
WO2021049506A1 (ja) * | 2019-09-11 | 2021-03-18 | 日立造船株式会社 | 情報処理装置、運転支援システム、情報処理方法、および情報処理プログラム |
Non-Patent Citations (1)
Title |
---|
See also references of EP4318155A4 |
Also Published As
Publication number | Publication date |
---|---|
EP4318155A4 (en) | 2024-08-28 |
KR20230161460A (ko) | 2023-11-27 |
TW202238301A (zh) | 2022-10-01 |
JPWO2022209902A1 (ja) | 2022-10-06 |
EP4318155A1 (en) | 2024-02-07 |
AU2022248265A1 (en) | 2023-10-19 |
US20240012376A1 (en) | 2024-01-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI777331B (zh) | 顯示工廠的狀態之系統、顯示工廠的狀態之裝置及顯示工廠的狀態之方法 | |
WO2022209902A1 (ja) | 表示装置、制御装置、制御方法及びプログラム | |
JP7413012B2 (ja) | システム及び方法 | |
TWI802887B (zh) | 顯示裝置、評估方法及評估系統 | |
WO2022239668A1 (ja) | 表示装置、情報処理装置、情報処理方法及びプログラム | |
JP7557606B2 (ja) | 装置及びシステム | |
JP7418894B2 (ja) | 装置及びシステム | |
JP7557639B2 (ja) | 装置及びシステム | |
JP7391618B2 (ja) | 監視装置、表示装置、監視方法及び監視プログラム | |
WO2022102315A1 (ja) | 表示装置、制御装置、制御方法及びコンピュータプログラム | |
TWI826835B (zh) | 顯示裝置、控制裝置、控制方法及電腦程式 | |
WO2022102348A1 (ja) | 表示装置、表示方法、制御装置、制御方法及びコンピュータプログラム | |
WO2022102349A1 (ja) | 表示装置、制御装置、制御方法及びコンピュータプログラム | |
JP2024032776A (ja) | 装置及びシステム | |
WO2022191164A1 (ja) | 表示装置、表示方法、制御装置及びコンピュータプログラム | |
TWI837524B (zh) | 運轉支援系統、運轉支援方法及電腦程式 | |
WO2024080088A1 (ja) | 支援装置、支援方法及びプログラム | |
JP7396212B2 (ja) | ボイラーの伝熱水管の漏洩検知方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 22780122 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023510914 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12023552733 Country of ref document: PH Ref document number: 2301006303 Country of ref document: TH |
|
WWE | Wipo information: entry into national phase |
Ref document number: 202347065583 Country of ref document: IN Ref document number: AU2022248265 Country of ref document: AU Ref document number: 2022248265 Country of ref document: AU |
|
ENP | Entry into the national phase |
Ref document number: 20237034611 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2022248265 Country of ref document: AU Date of ref document: 20220316 Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2022780122 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2022780122 Country of ref document: EP Effective date: 20231030 |