WO2020090028A1 - ハイブリッドレンダリングhmi端末装置 - Google Patents
ハイブリッドレンダリングhmi端末装置 Download PDFInfo
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- WO2020090028A1 WO2020090028A1 PCT/JP2018/040489 JP2018040489W WO2020090028A1 WO 2020090028 A1 WO2020090028 A1 WO 2020090028A1 JP 2018040489 W JP2018040489 W JP 2018040489W WO 2020090028 A1 WO2020090028 A1 WO 2020090028A1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/363—Graphics controllers
-
- 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
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13144—GUI graphical user interface, icon, function bloc editor, OI operator interface
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2360/00—Aspects of the architecture of display systems
- G09G2360/06—Use of more than one graphics processor to process data before displaying to one or more screens
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/02—Networking aspects
- G09G2370/027—Arrangements and methods specific for the display of internet documents
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2370/00—Aspects of data communication
- G09G2370/20—Details of the management of multiple sources of image data
Definitions
- the present invention relates to a hybrid rendering HMI terminal device in which SCADA HMI operates on a web browser.
- SCADA Supervisory Control And Data Acquisition
- the social infrastructure system includes a steel rolling system, a power transmission and transformation system, a water and sewage treatment system, a building management system, and a road system.
- SCADA is a type of industrial control system that performs computer system monitoring and process control. In SCADA, it is necessary to have prompt response (real-time response) according to the processing performance of the system.
- SCADA is generally composed of the following subsystems.
- HMI Human Machine Interface
- the HMI is a mechanism that presents data of a target process (monitored device) to an operator and enables the operator to monitor and control the process.
- Patent Document 1 discloses a SCADA HMI including an HMI screen that operates on a SCADA client.
- Supervisory control system The supervisory control system collects signal data on a process and sends a control command to the process. It is configured by a PLC (Programmable Logic Controller) or the like.
- PLC Programmable Logic Controller
- RIO Remote Input Output
- the remote input / output device is connected to the sensor installed in the process, converts the signal of the sensor into digital data, and sends the digital data to the supervisory control system.
- Communication infrastructure The communication infrastructure connects the supervisory control system and the remote I / O device.
- the SMI format drawing is read and displayed on the HMI screen in the DOM managed by the web browser.
- the Web browser detects the change and updates the HMI screen.
- the rendering performance of such SVG rendering is low, and DOM GC (Garbage Collection) is likely to occur, and in that case, display delay occurs.
- the device monitored by SCADA may be operating and changing at high speed.
- SCADA HMI of such a system it is necessary to display the signal data from the monitored device at high speed.
- SVG rendering method described above cannot meet this demand.
- the present invention has been made to solve the above problems, and an object thereof is to provide a hybrid rendering HMI terminal device capable of displaying an HMI screen operating on a Web browser without delay.
- the hybrid rendering HMI terminal device is configured as follows.
- the hybrid rendering HMI terminal device includes a web browser, a WebGL (Web Graphics Library) rendering processing unit, and an SVG rendering processing unit.
- WebGL Web Graphics Library
- the Web browser displays the HMI screen on which the first part and the second part, which represent the status of the monitored device, are placed.
- the first part is a part for displaying analog numerical data.
- the second part is a part that displays data other than analog numerical data.
- the WebGL rendering processing unit draws the first part associated with the signal data by WebGL rendering when the signal data from the monitored device is analog numerical data.
- a font necessary for character string representation of numerical data is drawn in advance in an offcanvas area (main memory area).
- the first part is drawn by transferring the character string expressing the analog numerical data from the offcanvas area (main memory area) to the canvas area (GPU memory area).
- the SVG rendering processing unit draws the second part associated with the signal data by SVG rendering.
- the SVG rendering draws the second part by updating the svg element in the DOM managed by the web browser.
- an HMI screen that operates on a Web browser is displayed without delay.
- SCADA HMI can be efficiently developed.
- FIG. 1 is a diagram showing a system configuration of SCADA.
- the SCADA includes the HMI 3, the monitoring control system 4, the communication infrastructure 5, and the RIO 6 as subsystems, and is connected to the monitoring target device 7.
- the HMI 3 that is a SCADA HMI execution environment and the drawing creation device 1 that is a SCADA HMI development environment are collectively referred to as a SCADA Web HMI system.
- the monitored device 7 is a sensor, an actuator, or the like that constitutes a plant to be monitored and controlled.
- the drawing creation device 1 includes a drawing editor 11.
- the drawing creation device 1 which is a development environment, uses the drawing editor 11 to generate HMI drawing data 2.
- the HMI drawing data 2 includes SVG (Scalable Vector Graphics) data 21, which is vector data, and part runtime attribute data 22.
- the HMI 3 (HMI subsystem) includes an HMI server device 31 and an HMI terminal device 32.
- the HMI Web runtime 322 Web application that reads the HMI drawing data 2 and operates on the Web browser 321 and the HMI Server runtime 311 cooperate to operate as an HMI subsystem.
- the drawing editor 11 included in the drawing creation device 1 has an advanced drawing editing function and a function of saving drawing data in the SVG format.
- the drawing editor 11 is, for example, Microsoft Visio (registered trademark).
- the drawing editor 11 that operates on the drawing creation device 1 includes a drawing unit 12, a part runtime attribute generation unit 13, and an HMI drawing data output unit 14.
- the drafting unit 12 displays, on the display 1c (FIG. 6), a stencil area in which prototypes of parts necessary for creating a drawing are arranged and a drafting area in which the drawing is drawn side by side. Further, the drafting unit 12 can arrange the parts on the stencil area selected by the developer on the drawing in the drafting area by using the input / output interface 1d (FIG. 6).
- the types of parts include, for example, DI (Digital Input) signal parts, AI (Analog Input) signal parts, DO (Digital Output) signal parts, and AO (Analog Output) signal parts.
- the part runtime attribute generator 13 automatically generates the part runtime attribute data unique to the part. Specifically, the part runtime attribute generation unit 13 changes the signal data from the monitoring target device 7 and a unique signal name (item) that associates the part with the monitoring target device 7 when the part is placed.
- the part runtime attribute data that associates the dynamic display content of the part according to is automatically generated.
- the unique signal name is generated by combining the screen ID, the device number in the screen, and the part type. Each part is associated with signal data and control commands via a unique signal name.
- the part runtime attribute generation unit 13 sets the unique digital signal name that associates the part with the monitored device 7 and the value of the signal data from the monitored device 7 to OFF.
- the part run-time attribute data that associates the display color (color code) of the part when it changes is automatically generated.
- the part runtime attribute generation unit 13 displays a unique analog signal name that associates the AI signal part with the monitored device 7 when the AI signal part is arranged, and the value of signal data from the monitored device 7. And a display form (for example, “9999.99”) for the parts runtime attribute data are automatically generated.
- the part runtime attribute data generated for each part on the drawing in order to exert the monitoring control function of the HMI screen is read when the HMI subsystem is executed.
- the HMI drawing data output unit 14 outputs the HMI drawing data 2 including the SVG data 21 of the drawing in which the parts drawn in the drawing area are arranged and the part runtime attribute data 22.
- the SVG data 21 includes static display attributes (color, shape, position, size) of placed parts as attributes of the svg element.
- the HMI terminal device 32 includes a web browser 321, an HMI web runtime 322, and a DOM (Document Object Model) 323 in advance.
- the web browser 321 reads at least one SVG data 21 and displays the HMI screen.
- the HMI screen is configured by combining a plurality of drawings defined by vector data.
- the drawing (SVG data 21) in the SVG format is read by the HMI Web runtime 322 into a DOM (Document Object Model) 323 managed by the Web browser 321, and drawn.
- DOM Document Object Model
- FIG. 2 is a diagram comparing the display methods of SVG rendering and WebGL rendering.
- the HMI Web runtime 322 changes the svg element in the DOM 323 (for example, changes the color code of the color attribute) to change the color of the parts on the HMI screen
- the Web browser 321 detects the change. , Update the HMI screen.
- SVG rendering the drawing performance decreases as the amount of information in the DOM increases, and DOM GC (Garbage Collection) is likely to occur, in which case display delay occurs.
- DOM GC Garbage Collection
- the monitoring target device 7 that SCADA monitors may be operating and changing at high speed.
- HMI subsystem it is necessary to display the value of the signal output from the monitored device 7 at high speed.
- SVG rendering method described above cannot meet this demand.
- WebGL which directly operates a GPU (Graphics Processing Unit), which is one of the processors 32a, to perform drawing
- the speed is higher than that of the SVG rendering method.
- DOMGC does not occur. Therefore, the WebGL rendering method is suitable when high-speed drawing is required.
- the SVG data 21 generated by the drawing editor 11 having an advanced drawing editing function is complicated, and it is difficult to draw all the parts by web rendering (it costs development cost).
- the system of the present embodiment adopts a hybrid rendering method in which SVG rendering and WebGL rendering are properly used.
- FIG. 3 is a diagram for explaining an outline of the hybrid rendering type HMI terminal device 32.
- the parts that need to be changed at high speed in the SCADA system are AI signal parts that display analog numerical data. Analog numerical data such as voltage and current are constantly changing, and it is important to reflect such changes on the screen in real time. Drawing only the AI signal parts by WebGL rendering meets the requirements of the HMI subsystem.
- the AI signal part when updating the display of the AI signal part, the AI signal part is drawn using the canvas element 323b of the DOM 323 in the WebGL rendering method.
- the attributes of the svg element 323a of the DOM 323 are updated by the SVG rendering method to draw the parts.
- FIG. 4 is a diagram for explaining the configuration of the HMI Web runtime 322 that operates on the Web browser 321 of the HMI terminal device 32. First, the preprocessing for WebGL rendering will be described. The WebGL rendering processing unit 322i in the HMI Web runtime module is required to realize the hybrid rendering.
- the WebGL rendering processing unit 322i can use the AI signal part element stored in the SVG data 21 to display the AI signal part, but accesses the information stored in the DOM. Not preferable in terms of performance. Therefore, the information regarding the AI signal part element is deleted from the SVG data 21 in advance and transferred to the part runtime attribute data 22. The WebGL rendering processing unit 322i acquires information necessary for drawing the AI signal part from the part runtime attribute data 22.
- the HMI Web runtime 322 reads the HMI drawing data 2 as a setting parameter and operates on the Web browser 321.
- the HMI Web runtime 322 is a library in which specific processing contents are predetermined for each type of part, one part on the HMI screen is specified based on the read setting parameter, and the specific processing of the part is performed. That is, even for the same type of parts, the setting parameters (for example, unique signal names) set for the respective parts are different, so that the operation of each part is different.
- the HMI Web runtime 322 associates the part with the monitored device 7 by the setting parameter, and when the signal data corresponding to the unique signal name is received from the monitored device 7 via the monitoring control system 4, on the HMI screen. , Change the display of the part corresponding to the unique signal name.
- the HMI Web runtime 322 includes a parts-specific processing unit 322a, an SVG data reading processing unit 322c, a signal data receiving unit 322d, a drawing updating unit 322e, an event processing unit 322f, and a control command transmitting unit 322g.
- the SVG data read processing unit 322c reads the SVG data 21.
- the parts-specific processing unit 322a includes the static display attribute of the SVG data 21 in the parts management information 322b.
- the parts-specific processing unit 322a reads, for each part included in the SVG data 21, the corresponding parts runtime attribute data 22 and includes it in the parts management information 322b.
- the parts specific processing unit 322a applies the parts management information 322b as a setting parameter to a library (JavaScript (registered trademark) program) in which specific processing contents are predetermined for each type of parts, and the individual parts on the HMI screen are displayed. Make the parts work. As an example, the specific processing of the DI signal part and the AI signal part will be described.
- a library JavaScript (registered trademark) program
- the specific processing of the DI signal part receives the digital signal data from the monitoring target device 7 via the monitoring control system 4, and changes the display color and shape of the part according to the signal value.
- the runtime attributes are a digital signal name, a display color and a shape when the signal is OFF.
- the specific processing of the AI signal part receives the analog signal data (analog numerical data) from the monitoring target device 7 via the monitoring control system 4, and according to the signal value, according to the designation of the data display form, the value is assigned to the part. Display it.
- the run-time attributes are the analog signal name and the data display form (such as "9999.99").
- the signal data receiving unit 322d receives the signal data from the monitored device 7 via the HMI Server runtime 311.
- the parts-specific processing unit 322a identifies a part corresponding to the received signal data based on the parts management information 322b and determines an instruction to update the parts display on the drawing.
- an update instruction is issued to change the color attribute value of the svg element in the DOM to the OFF color code.
- an update instruction is issued to display the value of the analog signal data in the designated display form. The update instruction is transmitted to the drawing update unit 322e.
- the drawing update unit 322e includes an SVG rendering processing unit 322h and a WebGL rendering processing unit 322i.
- the SVG rendering processing unit 322h draws a part (for example, a DI signal part) related to the signal data by SVG rendering.
- a part for example, a DI signal part
- the svg element 323a in the DOM 323 managed by the web browser 321 is updated, and the web browser 321 detects the change to draw the part.
- the WebGL rendering processing unit 322i draws the AI signal part associated with the signal data by WebGL rendering.
- a font necessary for character string representation of numerical data is drawn in advance in an offcanvas area (main memory area).
- a character string representing analog numerical data is transferred from the offcanvas area (main memory area) to the canvas area (GPU memory area) for drawing.
- a two-step update process is performed, that is, updating the container on the main memory by UV mapping and updating the view area on the GPU memory by render.
- the size of the container is 5 times as large as the size of the physical screen, both vertically and horizontally. This is a case where the screen zooming by the HMI is performed from 1 to 5 times.
- the current zoom level of zooming is p (1 ⁇ p ⁇ n)
- the image on the container is transferred by the render to the view area on the CPU memory, the image is reduced to 1 / p and transferred.
- the event processing unit 322f detects a keyboard or mouse event associated with each part.
- the parts specific processing unit 322a determines a control command corresponding to the detected event based on the parts management information 322b.
- the control command transmission unit 322g transmits the control command to the HMI Server runtime 311.
- the HMI Server runtime 311 operates on the HMI server device 31.
- the processing of the HMI Server runtime 311 is as follows. (1) An HMI Web runtime content is supplied to the Web browser 321 by incorporating an application server. (2) Communicates with the monitoring control system 4, transmits the signal data from the monitored device 7 to the HMI Web runtime 322, and also transmits the control command from the HMI Web runtime 322 to the monitoring control system 4.
- the HMI terminal device of the hybrid rendering system of the present embodiment for signal data that requires high-speed drawing, all font images to be used are cached on the offcanvas, or on the container of the main memory. High-speed drawing is realized by holding the full-screen image in consideration of zooming. In the map service as described above, it is not possible to apply this method because it is not possible to place restrictions on the zooming level and the size and type of fonts used. However, in the HMI of the supervisory control system, the operating application is specified, and the zooming level and the size and type of the font used can be limited to a certain range, so that this method can be realized.
- FIG. 6 is a block diagram showing an example of the hardware configuration of the SCADA Web HMI system.
- Each part of the drawing creation device 1 shown in FIG. 1 shows a part of the function of the drawing creation device 1, and each function is realized by a processing circuit.
- the processing circuit is configured by connecting the processor 1a, the memory 1b, the display 1c, and the input / output interface 1d.
- the input / output interface 1d is an input device such as a keyboard and a mouse, and a device capable of outputting the HMI drawing data 2 as a file.
- the processor 1a realizes the functions of the respective units of the drawing creation device 1 by executing various programs stored in the memory 1b.
- Each part of the HMI terminal device 32 shown in FIG. 1 shows a part of the function of the HMI terminal device 32, and each function is realized by a processing circuit.
- the processing circuit is configured by connecting a processor 32a, a memory 32b, a display 32c, and an input interface 32d.
- the processor 32a includes a CPU and a GPU.
- the memory 32b includes a main memory and a GPU memory.
- the GPU and GPU memory may be arranged on a graphic board added to an external slot.
- the input interface 32d is an input device such as a keyboard and a mouse, and a device capable of reading the HMI drawing data 2.
- the processing circuit also includes a network device (not shown) that is connected to the HMI server device 31 and can send and receive signal data and control commands.
- the processor 32a realizes the function of each unit of the HMI terminal device 32 by executing various programs stored in the memory 32b.
- Each part of the HMI server device 31 shown in FIG. 1 shows a part of the function of the HMI server device 31, and each function is realized by a processing circuit.
- the processing circuit is configured by connecting a processor 31a, a memory 31b, and a network interface 31d.
- the network interface 31d is a device that is connected to the supervisory control system 4 and the HMI terminal device 32 and is capable of transmitting and receiving signal data and control commands.
- the processor 31a realizes the function of each unit of the HMI server device 31 by executing various programs stored in the memory 31b.
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Abstract
Description
(1)HMI(Human Machine Interface)
HMIは、対象プロセス(監視対象装置)のデータをオペレータに提示し、オペレータがプロセスを監視し制御できるようにする機構である。例えば特許文献1には、SCADAクライアント上で動作するHMI画面を備えるSCADA HMIが開示されている。
(2)監視制御システム
監視制御システムは、プロセス上の信号データを収集し、プロセスに対して制御コマンドを送る。PLC(Programable Logic Controller)などによって構成される。
(3)遠方入出力装置(Remote Input Output :RIO)
遠方入出力装置は、プロセス内に設置されたセンサと接続し、センサの信号をデジタルのデータに変換し、そのデジタルデータを監視制御システムに送る。
(4)通信基盤
通信基盤は、監視制御システムと遠方入出力装置を接続する。
<全体システム>
図1は、SCADAのシステム構成を示す図である。SCADAは、HMI3、監視制御システム4、通信基盤5、RIO6をサブシステムとして備え、監視対象装置7に接続する。本明細書では、SCADA HMI 実行環境であるHMI3と、SCADA HMI 開発環境である図面作成装置1とを含めてSCADA Web HMIシステムと称する。
図面作成装置1が備える図面エディタ11は、高度な図面編集機能と、図面データをSVG形式で保存できる機能を有する。図面エディタ11は、一例として、Microsoft Visio(登録商標)である。
HMI端末装置32は、Webブラウザ321と、HMI Webランタイム322と、DOM(Document Object Model)323を予め備える。
HMI Serverランタイム311は、HMIサーバ装置31上で動作する。HMI Serverランタイム311の処理は以下の通りである。
(1)アプリケーションサーバを内蔵し、Webブラウザ321に対して、HMI Webランタイムコンテンツを供給する。
(2)監視制御システム4と通信し、監視対象装置7からの信号データをHMI Webランタイム322に送信するとともに、HMI Webランタイム322からの制御コマンドを監視制御システム4へ送信する。
SCADA Web HMIシステムの主要部のハードウェア構成について図6を参照して説明する。図6は、SCADA Web HMIシステムが有するハードウェア構成例を示すブロック図である。
11 図面エディタ
12 製図部
13 パーツランタイム属性生成部
14 HMI図面データ出力部
2 HMI図面データ
21 SVGデータ
22 パーツランタイム属性データ
3 HMI
31 HMIサーバ装置
311 HMI Serverランタイム
32 HMI端末装置
321 Webブラウザ
322 HMI Webランタイム
323 DOM
323a svgエレメント
323b canvasエレメント
4 監視制御システム
5 通信基盤
6 RIO
7 監視対象装置
322a パーツ固有処理部
322b パーツ管理情報
322c SVGデータ読込処理部
322d 信号データ受信部
322e 図面更新部
322f イベント処理部
322g 制御コマンド送信部
322h SVGレンダリング処理部
322i WebGLレンダリング処理部
1a、31a、32a プロセッサ
1b、31b、32b メモリ
1c、32c ディスプレイ
1d 入出力インタフェース
31d ネットワークインタフェース
32d 入力インタフェース
Claims (6)
- 監視対象装置に接続するハイブリッドレンダリングHMI端末装置であって、
前記監視対象装置の状態を表す第1パーツおよび第2パーツが配置されたHMI画面を表示するWebブラウザと、
前記監視対象装置からの信号データがアナログ数値データである場合に、当該信号データに関連付いた前記第1パーツをWebGLレンダリングにより描画するWebGLレンダリング処理部と、
前記監視対象装置からの信号データがアナログ数値データ以外のデータである場合に、当該信号データに関連付いた前記第2パーツをSVGレンダリングにより描画するSVGレンダリング処理部と、
を備えることを特徴とするハイブリッドレンダリングHMI端末装置。 - 前記WebGLレンダリングは、offcanvas領域に数値データの文字列表現に必要なフォントを予め描画し、WebGLのテクスチャマッピング機能を用いて、前記offcanvas領域から前記アナログ数値データを表現する文字列をcanvas領域に転送することにより前記第1パーツを描画し、
前記SVGレンダリングは、前記Webブラウザが管理するDOM内のsvgエレメントを更新することにより前記第2パーツを描画すること、
を特徴とする請求項1記載のハイブリッドレンダリングHMI端末装置。 - 前記アナログ数値データは、電圧データ若しくは電流データであること、
を特徴とする請求項1又は2記載のハイブリッドレンダリングHMI端末装置。 - 監視対象装置に接続するハイブリッドレンダリングHMI端末装置であって、
Webブラウザを表示するディスプレイと、
プログラムを実行するプロセッサと、
前記プロセッサにより実行されると、
前記監視対象装置の状態を表す第1パーツおよび第2パーツが配置されたHMI画面を前記Webブラウザに表示し、
前記監視対象装置からの信号データがアナログ数値データである場合に、当該信号データに関連付いた前記第1パーツをWebGLレンダリングにより描画し、
前記監視対象装置からの信号データがアナログ数値データ以外のデータである場合に、当該信号データに関連付いた前記第2パーツをSVGレンダリングにより描画する、
処理を行うプログラムを記憶するメモリと、
を備えるハイブリッドレンダリングHMI端末装置。 - 前記メモリは、メインメモリとGPUメモリとを備え、
前記WebGLレンダリングは、前記メインメモリ上の領域に数値データの文字列表現に必要なフォントを予め描画し、WebGLのテクスチャマッピング機能を用いて、前記領域から、前記アナログ数値データを表現する文字列を前記GPUメモリへ転送することにより前記第1パーツを描画し、
前記SVGレンダリングは、前記メインメモリ上で、前記Webブラウザが管理するDOM内のsvgエレメントを更新することにより、前記第2パーツを描画する、
請求項4記載のハイブリッドレンダリングHMI端末装置。 - 前記アナログ数値データは、電圧データ若しくは電流データであること、
を特徴とする請求項4又は5記載のハイブリッドレンダリングHMI端末装置。
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| US17/056,429 US11644810B2 (en) | 2018-10-31 | 2018-10-31 | Hybrid rendering HMI terminal device |
| BR112020022492-8A BR112020022492B1 (pt) | 2018-10-31 | Dispositivo terminal hmi de interpretação híbrida | |
| CN201880093940.6A CN112166389B (zh) | 2018-10-31 | 2018-10-31 | 混合渲染hmi终端装置 |
| PCT/JP2018/040489 WO2020090028A1 (ja) | 2018-10-31 | 2018-10-31 | ハイブリッドレンダリングhmi端末装置 |
| TW108102018A TWI682645B (zh) | 2018-10-31 | 2019-01-18 | 混合顯現hmi終端裝置 |
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| CN (1) | CN112166389B (ja) |
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| Publication number | Publication date |
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| CN112166389A (zh) | 2021-01-01 |
| CN112166389B (zh) | 2024-08-20 |
| TW202019129A (zh) | 2020-05-16 |
| PH12020552040A1 (en) | 2021-06-07 |
| TWI682645B (zh) | 2020-01-11 |
| US20210208562A1 (en) | 2021-07-08 |
| JP6552775B1 (ja) | 2019-07-31 |
| US11644810B2 (en) | 2023-05-09 |
| JPWO2020090028A1 (ja) | 2021-02-15 |
| BR112020022492A2 (pt) | 2021-02-09 |
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