CN115292774A - Joint simulation control method for multi-mode data fusion - Google Patents
Joint simulation control method for multi-mode data fusion Download PDFInfo
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- CN115292774A CN115292774A CN202210920405.1A CN202210920405A CN115292774A CN 115292774 A CN115292774 A CN 115292774A CN 202210920405 A CN202210920405 A CN 202210920405A CN 115292774 A CN115292774 A CN 115292774A
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Abstract
The invention discloses a joint simulation control method for multimode data fusion, which comprises the following steps: the method comprises the steps of generating an FMU based on an FMI protocol in a heterogeneous model, importing the FMU into a master simulation program DCEasySim in a DLL (delay locked loop) library mode, accessing simulation software which does not support the FMI protocol into a unified protocol communication middleware DCConnectBox, and supporting multi-protocol communication and multi-data formats; after the model and the data are connected, dynamic simulation and real-time simulation playback are started, and simulation parameters can be edited in a visual mode through DCConfigPanel. And the simulation process can have an automatic screen recording function according to the configuration parameters and support to export the corresponding script of the screen recording process together when exporting the video. By the multi-mode data fusion control method, the problem that scientific research personnel often encounter 'heterogeneous models and complex data' in the combined simulation experiment process and are difficult to simulate is solved, the simulation calculation efficiency and accuracy are improved, and the simulation experiment process is improved.
Description
Technical Field
The invention relates to a joint simulation control method for multi-mode data fusion, and belongs to the technical field of joint simulation.
Background
The joint simulation process is a complex process for performing joint solution on multiple disciplines and multiple systems, and both the calculation efficiency and the experimental process are very important for research and development personnel. The current main experimental method is to connect simulation software in series according to linearity, and input data and output simulation calculation in sequence among the software. The former software calculates the simulation result, and the output result is used as the input of the next software, so that the process is advanced. There is also a single FMI-based protocol that imports the FMU export into the main simulation program for computation. In the two modes, the problems that the format of the simulation data is not uniform, the model does not support the FMI protocol and the like are often encountered, and researchers need to spend much effort to coordinate the format compatibility of the simulation model and the simulation data, so that the research efficiency and the experimental process are greatly influenced. Meanwhile, each time the work of a researcher goes to the next experimental process or another experimenter simulates an experiment, the process needs to be started from the beginning, and the collaborative research and development and knowledge transfer are not friendly.
Therefore, how to enable a research and development worker to quickly and efficiently fuse multimode data in a model and data black box form through a standardized tool when facing the problem of 'heterogeneous model integration and complex data fusion', is extremely important and necessary to improve the simulation experiment efficiency, dynamically record and restore the simulation process and shorten the research and development period.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a combined simulation control method for multi-mode data fusion, and by the multi-mode data fusion control method, the problem that scientific research personnel often encounter 'heterogeneous models and complex data' simulation difficulty in the combined simulation experiment process is solved, the simulation calculation efficiency and accuracy are improved, and the simulation experiment process is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a joint simulation control method for multi-mode data fusion is characterized in that: the method comprises the following steps:
(1) Multi-system model and data fusion import
(1) Aiming at simulation software supporting an FMI (software development interface) protocol, an FMU (functional modeling Unit) module is exported according to the FMI protocol and is imported into a main simulation program DCEasySim in a DLL (dynamic link library) mode;
(2) aiming at emulation software which does not support FMI protocol, adding a unified data communication middleware DCConnectBox into a main emulation program DCEasySim, wherein the middleware DCConnectBox carries out flexible analysis and coupling processing of a protocol layer and a data layer aiming at common data communication protocol and data format in industrial emulation;
(2) Simulation calculation
(1) Setting relevant parameters related to simulation through a DCConfigPanel panel, and setting step length of joint simulation according to the required simulation granularity requirement;
(2) starting the playback of the simulation process, and supporting two models: a dynamic screen recording model and a script parameter data synchronous redundant recording model in the simulation process;
(3) selecting a historical time interval in the simulation process on a DCConfigPanel panel to play back the simulation process;
(3) Joint simulation result visualization
The built-in DCBuilderX animation engine module in DCEasySim effectively fuses two-dimensional and three-dimensional scene construction and real-time rendering, and carries out visual display in a two-dimensional timing chart and three-dimensional space model rendering fusion mode, and the method specifically comprises the following steps:
(1) the DCBuilderX is combined with a space model, an equipment profile model and an equipment perspective model, three-dimensional modeling and skeleton binding are carried out, and structural changes in different states in the simulation process can be supported; components such as a fluid effect and a particle effect are built in, and a simulation data driving interface is bound, so that the reduction and real-time rendering of real effects in different states such as gas, liquid, gas-liquid mixing and the like in a simulation process can be supported;
(2) based on the DCConnectBox middleware algorithm, the communication efficiency and the data analysis efficiency in the simulation calculation process to the real-time rendering process of the data-driven animation are effectively improved, and the visualization aspect of the whole joint simulation process is real-time and real.
(4) Simulated process playback and reproduction
In the joint simulation process, a plurality of simulation software is involved, the parameter configuration related to each software is fused into a DCConfigPanel parameter panel, and the functions of automatically recording a screen and automatically exporting video and video script parameter data are built in the process of each simulation experiment. Through the export and import functions in the DCConfigPanel panel, researchers can be effectively assisted to carry out collaborative cooperation on parameter configuration of union and simulation and playback and tracing of a simulation experiment process.
The joint simulation control method for multi-mode data fusion is characterized in that: the protocol layer in the step (1) can support a UDP protocol, a TCP protocol, a MODBUS protocol, an OPC protocol and the like, and the data layer supports compatibility analysis import and visual display in formats such as CSV, EXCEL, XML, JSON and the like, and supports both two-dimensional time sequence chart display and dynamic rendering display of a three-dimensional space of a model.
The joint simulation control method for multi-mode data fusion is characterized in that: the playback of the simulation process in the step (2) comprises the following two modes: the first method is as follows: in a selected time interval, the dynamic video playback does not support the script parameter modification; the second method comprises the following steps: and in a selected time interval, reading script parameter data recorded in the simulation of the interval, quickly rendering and replaying the process, supporting the modification of script parameters played back in the simulation, driving the simulation data to change in real time, and facilitating dynamic tests.
The joint simulation control method for multi-mode data fusion is characterized in that: in the step (4), on the basis of unifying the model and data fusion, the configuration parameters of each built-in associated simulation software are effectively managed, and multi-person cooperation of 2 formats can be supported:
(1) one is the import and export of the single-machine version, namely, the parameters of a plurality of built-in simulation tools are exported in a unified format to be provided for other researchers for text import;
(2) one is an online cooperation mode, the configuration parameters of the current researchers are shared to the cooperation personnel on line in a cooperation sharing mode, and the cooperation personnel can quickly introduce the configuration parameters by one key only by clicking application to perform similar experiments.
The joint simulation control method for multi-mode data fusion is characterized in that: the DCBuilderX animation engine module provides dynamic configuration management for two-dimensional and three-dimensional rendering display, controls whether the two-dimensional and three-dimensional engines independently render and calculate and whether data links for two-dimensional and three-dimensional rendering independently transmit through a visual panel, supports self-adaptive layout of an interface after dynamically modifying the configuration of two-dimensional and three-dimensional pictures, thereby supporting picture switching of a pure two-dimensional or pure three-dimensional rendering mode, enabling the two-dimensional and three-dimensional pictures to only display two-dimensional pictures or only display three-dimensional pictures according to dynamic configuration parameters, enabling picture layout to be self-adaptive, and facilitating engineers to observe concerned information from different visual angles.
The invention has the beneficial effects that:
1. based on the design of FMI and DCConectBox middleware, a multi-source heterogeneous model and multi-format data can be unified in DCEasySim main simulation software, so that researchers can conveniently and quickly perform fusion setting import of the model and the data according to the support of FMI, and the efficiency is improved by combining with visual panel operation;
2. through a visual panel, on one hand, parameters can be edited quickly, on the other hand, DCEasySim main simulation software is internally provided with a module for dynamic screen recording and script parameter data synchronous redundant recording in the simulation process, and the simulation efficiency is greatly improved;
3. the DCBuilderX animation engine module is utilized to provide dynamic configuration management for two-dimensional and three-dimensional rendering display, support picture switching of a pure two-dimensional or pure three-dimensional rendering mode, temporarily decouple two-dimensional and three-dimensional pictures, perform visual display in a two-dimensional timing chart and three-dimensional space model rendering fusion mode, and facilitate engineering personnel to observe focused information from different visual angles;
4. under the online cooperation mode, the DCEasySim supports the functions of parameter comparison of multiple persons and simulation result comparison visualization, so that the difference of input and output of multiple persons can be clearly shown on one graph, the efficiency of the cooperation experiment is improved, and the assistant rapid observation of the difference of multiple experiments is facilitated.
5. By the multi-mode data fusion control method, the problem that scientific research personnel often encounter 'heterogeneous models and complex data' in the combined simulation experiment process and are difficult to simulate is solved, the simulation calculation efficiency and accuracy are improved, and the simulation experiment process is improved.
Drawings
FIG. 1 is a flow chart of an implementation of a joint simulation control method for multimodal data fusion according to the present invention;
FIG. 2 is a flow chart of multi-system model and data fusion import flow of the joint simulation control method of multi-mode data fusion of the present invention;
FIG. 3 is a simulation calculation flowchart of a joint simulation control method for multi-mode data fusion according to the present invention;
FIG. 4 is a flow chart of visualization of a co-simulation result of the multi-mode data fusion co-simulation control method of the present invention;
FIG. 5 is a flowchart of the playback and recurrence of the simulation process of the joint simulation control method of multimodal data fusion according to the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 5, a joint simulation control method for multimodal data fusion includes the following implementation steps:
1. and (3) multi-system model and data fusion import:
(1) Aiming at simulation software supporting FMI protocol, an FMU module can be exported according to the protocol and imported into a main simulation program DCEasySim in the form of a Dll dynamic link library. At the initial stage of importing the DCEasySim, whether the FMU DLL is in compliance or not is automatically detected according to the protocol standard, and the loading success is prompted only after the verification is passed. After loading is successful, variables of get and set built in the FMU are automatically analyzed and displayed on a control panel of the DCEasySim, and researchers are supported to manage the FMU in a visual mode.
(2) For simulation software which does not support FMI protocol, the DCEasySim joint simulation software develops a unified data communication middleware DCConnectBox. The middleware carries out flexible analysis and coupling processing of a protocol layer and a data layer aiming at common data communication protocols in industrial simulation and frequently encountered data formats. The communication protocol layer can support UDP protocol, TCP protocol, MODBUS protocol, OPC protocol, etc. And the data layer supports compatibility analysis import and visual display of formats such as CSV, EXCEL, XML, JSON and the like, and supports both two-dimensional time sequence chart display and dynamic rendering display of a three-dimensional space of a model.
The design based on FMI and DCConectBox middleware can unify the multi-source heterogeneous model and multi-format data in DCEasySim main simulation software, so that researchers can conveniently and rapidly perform fusion setting and import of the model and the data according to the support of FMI, and the efficiency is improved by combining with visual panel operation.
2. Simulation calculation
Based on DCConfigPanel panel parameter management, joint simulation speed is set visually, and simulation processes, playback, screen recording and scripts are managed dynamically. Before the simulation is started, relevant parameters related to the simulation are set through a DCConfigPanel panel, and step size of the joint simulation is set according to the requirement of the required simulation granularity. Meanwhile, in the conventional joint simulation, once the parameters are set to start the simulation, data can be taken only after the simulation is finished, and a certain simulation time period which just passes cannot be observed temporarily in the process. If the simulation is temporarily interrupted, the whole simulation time sequence process is interrupted and needs to be restarted, which wastes time and is inefficient. Through a visual panel, on one hand, parameters can be edited quickly, and on the other hand, DCEasySim main simulation software is internally provided with a module for dynamic screen recording and synchronous redundant recording of script parameter data in the simulation process.
On a visual panel, a historical time interval in the simulation process can be selected, and if the playback simulation process is clicked, the DCEasySim supports 2 modes of simulation playback:
(1) One is that the time period in the dynamic screen recording file can be read quickly according to the time interval, and the simulation process can be played back in a video mode. In this way, no modifications to the playback process are possible.
(2) One is to read the script parameter data recorded by the simulation of the interval, quickly render and replay the process. The method can support visual modification of script parameters so as to observe synchronous change of simulation data after parameter modification, and is more flexible and convenient.
3. Joint simulation result visualization
And (4) performing visual display on the joint simulation result in a two-dimensional timing chart and a three-dimensional space model rendering fusion mode. In the joint simulation process, in the conventional mode, because a plurality of simulation software are serially calculated, the calculation process and the calculation result are more displayed in the form of a single graph table. In the invention, the two-dimensional data of system simulation and the three-dimensional data of finite element simulation can be effectively managed based on time sequence through multi-mode data fusion. How to more intuitively and vividly display the simulation process and the real-time data change of the simulation through a screen, and meanwhile, the real-time timeliness of rendering work of a large number of models in a short time is ensured, and a developed DCBuilderX animation engine module is built in the DCEasySim, so that two-dimensional and three-dimensional scene construction and real-time rendering are effectively fused.
(1) The DCBuilderX is combined with a space model, an equipment profile model and an equipment perspective model, three-dimensional modeling and skeleton binding are carried out, and structural changes in different states in the simulation process can be supported; the simulation system is internally provided with components such as a fluid effect and a particle effect and bound with a simulation data driving interface, and can support the reduction and real-time rendering of real effects in different states such as gas, liquid, gas-liquid mixture and the like in the simulation process. The DCBuilderX animation engine module provides dynamic configuration management for two-dimensional and three-dimensional rendering display, and can call different configuration contents through shortcut keys to be applied to programs. The method can support the picture switching of a pure two-dimensional or pure three-dimensional rendering mode, temporarily decouple two-dimensional and three-dimensional pictures, and facilitate engineering personnel to observe focused information from different visual angles.
(2) Based on the DCConnectBox middleware algorithm, the communication efficiency and the data analysis efficiency in the simulation calculation process to the real-time rendering process of the data-driven animation are effectively improved, and the visualization aspect of the whole joint simulation process is real-time and real.
4. Simulated process playback and reproduction
In the joint simulation process, a plurality of simulation software is involved, the parameter configuration related to each software is fused into a DCConfigPanel parameter panel, and the functions of automatically recording a screen and automatically exporting video and video script parameter data are built in the process of each simulation experiment. Through the export and import functions in the DCConfigPanel panel, researchers can be effectively assisted to carry out collaborative cooperation on parameter configuration of union and simulation and playback and tracing of a simulation experiment process.
In the traditional combined simulation, each participated simulation software needs to be configured one by one, and when the same task is handed to another scientific research personnel, the configuration parameters of each simulation software and the experimental results under the parameters are quickly, effectively and accurately transmitted, so that a great problem is encountered. In the main simulation software such as DCEasySim, on the basis of unifying the model and data fusion, the configuration parameters of each simulation software with built-in association are effectively managed, and the multi-person cooperation of 2 formats can be supported:
(1) One is the import and export of the single-machine version, namely, the parameters of a plurality of built-in simulation tools are exported in a unified format to be provided for other researchers for text import;
(2) One is an online cooperation mode, which can share the configuration parameters of the current researchers to the cooperation personnel online in a cooperative sharing mode, and the cooperation personnel can quickly introduce the configuration parameters by one key only by clicking the application to perform similar experiments. Aiming at the online cooperation mode, the DCEasySim supports the functions of multi-person parameter comparison and simulation result comparison visualization. Therefore, the difference between the input and the output of a plurality of people can be clearly shown on one graph, the efficiency of the cooperative experiment is improved, and the auxiliary quick observation of the difference of the experiments is facilitated.
In conclusion, the multi-mode data fusion joint simulation control method is provided, the problem that scientific research personnel often encounter 'heterogeneous models and complex data' in the joint simulation experiment process and are difficult to simulate is solved, the simulation calculation efficiency and accuracy are improved, and the simulation experiment process is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A joint simulation control method for multi-mode data fusion is characterized in that: the method comprises the following steps:
(1) Multi-system model and data fusion import
(1) Aiming at simulation software supporting an FMI (software development interface) protocol, an FMU (functional modeling Unit) module is exported according to the FMI protocol and is imported into a main simulation program DCEasySim in a DLL (dynamic link library) mode;
(2) aiming at emulation software which does not support an FMI protocol, adding a unified data communication middleware DCConnectBox into a main emulation program DCEasySim, wherein the middleware DCConnectBox carries out flexible analysis and coupling processing on a protocol layer and a data layer aiming at a data communication protocol and a data format which are common in industrial emulation;
(2) Simulation calculation
(1) Setting relevant parameters related to simulation through a DCConfigPanel panel, and setting step length of joint simulation according to the required simulation granularity requirement;
(2) starting the playback of the simulation process, and supporting two models: a dynamic screen recording model and a script parameter data synchronous redundant recording model in the simulation process;
(3) selecting a historical time interval in the simulation process on a DCConfigPanel panel to play back the simulation process;
(3) Joint simulation result visualization
The built-in DCBuilderX animation engine module in DCEasySim has effectually fused two-dimensional and three-dimensional scene construction and real-time rendering to two-dimensional timing chart and three-dimensional space model render the mode of fusing and come visual show, specifically include:
(1) the DCBuilderX is combined with a space model, an equipment profile model and an equipment perspective model, three-dimensional modeling and skeleton binding are carried out, and structural changes in different states in the simulation process can be supported; components such as a fluid effect and a particle effect are built in, and a simulation data driving interface is bound, so that the reduction and real-time rendering of real effects in different states such as gas, liquid, gas-liquid mixing and the like in a simulation process can be supported;
(2) based on the compression and sub-packet transmission algorithm strategy for data in the DCConnectBox middleware, the communication efficiency and the data analysis efficiency from the simulation calculation process to the real-time rendering process of the data-driven animation are effectively improved, and the visualization aspect of the whole joint simulation process is real-time and real;
(4) Simulated process playback and reproduction
In the joint simulation process, a plurality of simulation software is involved, the parameter configuration related to each software is fused into a DCConfigPanel parameter panel, and the functions of automatically recording a screen and automatically exporting video and video script parameter data are built in the process of each simulation experiment; through the export and import functions in the DCConfigPanel panel, researchers can be effectively assisted to carry out collaborative cooperation on parameter configuration of union and simulation and playback and tracing of a simulation experiment process.
2. The joint simulation control method for multimodal data fusion as claimed in claim 1, wherein: the protocol layer in the step (1) can support a UDP protocol, a TCP protocol, a MODBUS protocol, an OPC protocol and the like, and the data layer supports compatibility analysis import and visual display in formats such as CSV, EXCEL, XML, JSON and the like, and supports both two-dimensional time sequence chart display and dynamic rendering display of a three-dimensional space of a model.
3. The joint simulation control method for multi-mode data fusion according to claim 1, characterized in that: the playback of the simulation process in the step (2) comprises the following two modes: the method I comprises the following steps: within a selected time interval, the dynamic video playback does not support script parameter modification; the second method comprises the following steps: and in a selected time interval, reading script parameter data recorded in the simulation of the interval, quickly rendering and replaying the process, supporting the modification of script parameters played back in the simulation, driving the simulation data to change in real time, and facilitating dynamic tests.
4. The step (4) according to claim 1, wherein configuration parameters of each simulation software with built-in association are managed effectively on the basis of unifying model and data fusion, and multi-user collaboration of 2 formats can be supported:
(1) one is the import and export of the single-machine version, namely, the parameters of a plurality of built-in simulation tools are exported in a unified format to be provided for other researchers for text import;
(2) one is an online cooperation mode, the configuration parameters of the current researchers are shared to the cooperation personnel on line in a cooperation sharing mode, and the cooperation personnel can quickly introduce the configuration parameters by one key only by clicking application to perform similar experiments.
5. The joint simulation control method for multimodal data fusion as claimed in claim 1, wherein: the DCBuilderX animation engine module provides dynamic configuration management for two-dimensional and three-dimensional rendering display, controls whether two-dimensional and three-dimensional engines are independently rendered and calculated and whether data links for two-dimensional and three-dimensional rendering are independently transmitted through a visual panel, supports self-adaptive layout of an interface after dynamically modifying two-dimensional and three-dimensional picture configuration, and accordingly supports picture switching of pure two-dimensional or pure three-dimensional rendering modes, enables two-dimensional and three-dimensional pictures to only display two-dimensional pictures or only display three-dimensional pictures according to dynamic configuration parameters, is self-adaptive in picture layout, and facilitates engineering personnel to observe concerned information from different visual angles.
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