CN106873987B - Modelica-based multi-person collaborative modeling system - Google Patents
Modelica-based multi-person collaborative modeling system Download PDFInfo
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Abstract
The invention discloses a Modelica-based multi-person collaborative modeling module system, which comprises a Modelica-based system model library, a model version multi-person collaborative development module, a web-based model data management module, a cloud computing-based simulation management module, a model health monitoring module and a model design and optimization module; the system model base is used for submitting a model to the model version multi-person collaborative development module, the model version multi-person collaborative development module is used for updating the model of the system model base, data exchange is carried out between the model version multi-person collaborative development module and the model data management module, a user submits a simulation task in the model data management module, the simulation management module operates, the model health monitoring module is used for monitoring the change condition of the result parameters in the operation process in real time, and the model design and optimization module provides a multi-dimensional view to show the simulation result parameters. The invention can dynamically adjust different collaborative management modes according to the needs of teams so as to achieve the effects of high-efficiency management and collaborative development.
Description
Technical Field
The invention belongs to the field of computer simulation and modeling, and particularly relates to a multi-person collaborative modeling system, which relates to full life cycle management of model data.
Background
Modelica is an open brand new multi-field unified modeling language proposed by the international simulation community in 1997, generalizes and unifies a plurality of modeling languages in the past, and fuses the non-causal modeling idea of a bond diagram, the object-oriented technology of Java language and the numerical value and matrix mechanism of Matlab, thereby having extremely strong modeling function. Object-oriented and non-causal are the biggest advantages of the Modelica language. The object-oriented modeling method has the characteristics of data encapsulation, layering, connection, inheritance and the like, and is easy to reduce the occurrence of errors and realize the reuse of the model. The non-causal modeling is to express a model equation in a neutral and natural form, so that more calculation orders do not need to be considered, the complex derivation of the model equation is avoided, the modeling efficiency is improved, and the component model is easy to reuse. The Modelica language adopts a statement type and equation-based non-causal modeling method to establish a model, and the model interface is standardized by defining an interface, so that the subsystems of a physical system can be completely independent and unified by adopting Modelica modeling.
Currently, Modelica has been adopted by companies in different industries such as audi, bmi, dymler, ford, toyota, the public, german space center, french air passenger, german siemens, french electric power company, ABB, and the like, and is widely applied to industries or fields such as automobiles, aviation, energy, electric power, electronics, machinery, chemistry, control, fluid, and the like, and modeling and simulation of embedded systems.
However, with the continuous development of the Modelica model, the modeling is not only a single person, which requires a team to develop a model, and a tool capable of solving the version management of the Modelica model is needed.
In a complex Modelica model, general version management tools (SVN and Git) are based on text version management, only a text view can be seen when the model is checked, and the change version of a specific component of the model cannot be previewed in real time, so that the working efficiency is very low. Especially when the file of a model is large, the support of the existing version management tool for the large file shows that the model is not enough in nature.
In addition, the safety mechanism problem exists in the existing collaborative modeling technology, everyone copies a model, and many potential safety hazards appear in the copying process, which is particularly important for units with high safety requirements.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a Modelica-based multi-user collaborative modeling system, which can dynamically adjust different collaborative management modes according to the needs of a team so as to achieve the effects of efficient management and collaborative development.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a multi-person collaborative modeling module system based on Modelica comprises a system model base based on Modelica, a model version multi-person collaborative development module, a web-based model data management module, a cloud computing-based simulation management module, a model health monitoring module and a model design and optimization module;
the Modelica-based system model library is a basic module of the multi-person collaborative modeling system, for submitting a model to the model version multi-person collaborative development module, the model version multi-person collaborative development module is used for updating the model of the Modelica-based system model library, the model version multi-person collaborative development module and the web-based model data management module exchange data on the basis of webService, a user submits a simulation task in a UI of the web-based model data management module, the cloud-computing based simulation management module runs the simulation tasks submitted in the web-based model data management module, the model health monitoring module is used for monitoring the change condition of the result parameters in the running process of the simulation management module based on the cloud computing in real time, and the model design and optimization module provides a multi-dimensional view to show the parameters of the simulation result.
Further, the model base based on the Modelica system respectively supports a computing component model, a flow component model and a c component model which are stored in a Modelica model and a Coprocessor; the computing component model in the coprocessors comprises a process node object calculated by software, the process component model comprises a plurality of components capable of describing an object of a computing process, and the c component model comprises an executable program object written in C, C + + language.
Furthermore, the model version multi-person collaborative development module comprises a version management module and a collaborative development flow management module; the version management module provides a centralized management model for a user; the version management module includes a security authorization mechanism and a model version update.
Preferably, the principle of the security authorization mechanism is as follows: the model is placed on a server and is authorized to each user by a system administrator, the user accesses files on the server in a check in and check out mode, and unauthorized users cannot access the files on the server; the principle of the model version update is as follows: when a user opens the model each time, detecting whether the server version is consistent with the current version, and detecting and editing any version at any time;
preferably, the working principle of the collaborative development process management module is as follows: in the collaborative development process, an administrator firstly establishes a Modelica-based system model project, then adds developers to the system model project, and then sets permissions for the developers, each developer can clone a remote warehouse model to a local machine, and each developer can develop and modify the model independently and submit the model to a remote warehouse.
Furthermore, the web-based model data management module comprises a mass data storage module of model data, an oversized file storage module of model files, a model web visual view management module, a model pedigree management module and a model retrieval module; the mass data storage module of the model data adopts a distributed column-type database HBase, and when the data volume is increased, the HBase can transversely expand a computer machine to load and store pressure; the oversized file storage module of the model file adopts a Hadoop distributed file system architecture, when the model file is too large, load pressure is applied to a traditional file system, and the oversized file storage module of the model file stores the file in blocks; the model web visual view management module is used for viewing additional attributes/metadata of the model in a browser and realizing visual display of various models; the model pedigree management module is used for checking the relevance of the model referencing other models, the referenced model and the simulation result; the model retrieval module is used for customizing and outputting retrieval results according to the additional attributes/metadata of the model.
Further, the simulation management module based on cloud computing is divided into a simulation parameter configuration management module, a simulation result visualization module and a result data comparison module; the simulation configuration management module is used for checking additional attributes/metadata of simulation and managing simulation configuration; the simulation result visualization module is used for visualizing views, and comprises animations, curves and tables; the result data comparison module supports curve comparison and table comparison.
Furthermore, the model health monitoring module realizes the presentation of a real-time sequence discount chart in the model simulation process by monitoring the simulation process.
Furthermore, the model design optimization module provides more model view tools based on the traditional text design comparison tool, wherein the model view tools comprise a Path view, a Package view and a Class view.
Compared with the prior art, the invention has the following beneficial effects:
1. data collaboration: the system of the present invention supports full lifecycle management of models, including creation, modification, refinement, analysis, publishing, management and archiving of models. The method provides a uniform data source for the tool chain of the MBSE platform, is responsible for keeping the consistency of the data source and realizes the cooperation of data layers among tools.
2. Calculating the synergy: the system of the invention provides a calculation cooperation framework by utilizing a model integration technology, supports the cooperative simulation calculation of a system model under a distributed network and realizes the cooperation of calculation levels among tools. Meanwhile, a high-performance computing interface is provided, grid computing of a computing cluster is supported, and the computing process is accelerated.
3. Flow collaboration: the system provides a flow collaboration framework, realizes the operation of the MBSE platform tool chain according to the flow on the basis of data collaboration, drives users to carry out collaborative work based on a network, and supports the monitoring and management of the collaborative flow.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a system framework diagram of a Modelica-based multi-person collaborative modeling system of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1, a multiple person collaborative modeling module system based on modeica includes a system model library 1 based on modeica, a model version multiple person collaborative development module 2, a web-based model data management module 3, a cloud computing-based simulation management module 4, a model health monitoring module 5 and a model design and optimization module 6; the Modelica-based system model library 1 is a basic module of the multi-person collaborative modeling system, for submitting a model to the model version multi-person collaborative development module 2, wherein the model version multi-person collaborative development module 2 is used for updating the model of the Modelica-based system model library 1, the model version multi-person collaborative development module 2 and the web-based model data management module 3 exchange data based on webService, a user submits a simulation task at the UI of the web-based model data management module 3, the cloud-computing-based simulation management module 4 runs the simulation tasks submitted in the web-based model data management module 3, the model health monitoring module 5 is used for monitoring the change condition of result parameters in the running process of the cloud computing-based simulation management module 4 in real time, and the model design and optimization module 6 provides a multi-dimensional view to show simulation result parameters;
the Modelica system model base 1 supports storage of a Modelica model, a calculation component model in a Coprocessor, a flow component model and a c component model respectively; the computing component model in the coprocessors comprises a process node object calculated by software, the process component model comprises a plurality of components capable of describing an object of a computing process, and the c component model comprises an executable program object written in C, C + + language;
the model version multi-person collaborative development module 2 comprises a version management module 201 and a collaborative development flow management module 202;
the version management module 201 provides a centralized management model for a user; the version management module 201 includes a security authorization mechanism and model version updates. The principle of the security authorization mechanism is as follows: the model is placed on a server and is authorized to each user by a system administrator, the user accesses files on the server in a check in and check out mode, and unauthorized users cannot access the files on the server; the principle of the model version update is as follows: when a user opens the model each time, detecting whether the server version is consistent with the current version, and detecting and editing any version at any time;
the working principle of the collaborative development process management module 201 is as follows: in the collaborative development process, an administrator firstly establishes a Modelica-based system model project, then adds developers to the system model project, and then sets permissions for the developers, each developer can clone a remote warehouse model to a local machine, and each developer can develop and modify the model relatively independently and submit the model to a remote warehouse;
the web-based model data management module 3 comprises a mass data storage module 301 for model data, an oversized file storage module 302 for model files, a model web visual view management module 303, a model pedigree management module 304 and a model retrieval module 305;
the mass data storage module 301 of the model data adopts a distributed column-type database HBase, and when the data volume is increased, the HBase can transversely expand a computer machine to load and store pressure;
the model file oversized file storage module 302 adopts a Hadoop distributed file system architecture, when a model file is too large, load pressure is applied to a traditional file system, and the model file oversized file storage module 302 stores the file in blocks;
the model web visual view management module 303 is configured to view additional attributes/metadata of a model in a browser, and implement visual display of various models;
the model pedigree management module 304 is used for viewing the associations of the model references other models, the references of the referenced models and the simulation results;
the model retrieval module 305 is configured to customize and output a retrieval result according to the model additional attribute/metadata;
the simulation management module 4 based on cloud computing is divided into a simulation parameter configuration management module 401, a simulation result visualization module 402 and a result data comparison module 403;
the simulation configuration management module 401 is configured to view additional attributes/metadata of the simulation, and manage the simulation configuration;
the simulation result visualization module 402 is used for visualizing views including animations, curves and tables;
the result data comparison module 403 supports curve comparison and table comparison;
the model health monitoring module 5 realizes the presentation of a real-time sequence discount chart in the model simulation process by monitoring the simulation process;
the model design optimization module 6 provides more model view tools including a Path view, a Package view and a Class view on the basis of a traditional text design comparison tool.
Example 1:
the process of collaborative modeling by using the Modelica-based multi-person collaborative modeling system of the embodiment is as follows:
step 0, firstly, establishing a system model project based on Modelica;
2, setting related permissions, such as model adding, model deleting, model modifying and the like, for each developer by an administrator;
6, on-line simulation can be carried out on non-engineering personnel through the issued available model;
step 7, comparing data according to the result of the on-line simulation;
and 8, performing health monitoring according to the set threshold value, and providing a design optimization scheme.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (1)
1. A multi-person collaborative modeling system based on Modelica is characterized in that: the system comprises a Modelica-based system model library (1), a model version multi-person collaborative development module (2), a web-based model data management module (3), a cloud computing-based simulation management module (4), a model health monitoring module (5) and a model design and optimization module (6);
the Modelica-based system model library (1) is a basic module of the multi-person collaborative modeling system and is used for submitting a model to the model version multi-person collaborative development module (2), the model version multi-person collaborative development module (2) is used for updating the model of the Modelica-based system model library (1), the model version multi-person collaborative development module (2) and the web-based model data management module (3) exchange data on the basis of webService, a user submits a simulation task in a UI of the web-based model data management module (3), the cloud-computing-based simulation management module (4) runs the simulation task submitted in the web-based model data management module (3), and the model health monitoring module (5) is used for monitoring the result parameter change condition in the running process of the cloud-computing-based simulation management module (4) in real time, the model design and optimization module (6) provides a multi-dimensional view to show simulation result parameters;
the model base (1) based on the Modelica system supports a computing component model, a flow component model and a c component model which are stored in a Modelica model and a Coprocessor respectively; the computing component model in the coprocessors comprises a process node object calculated by software, the process component model comprises a plurality of components capable of describing an object of a computing process, and the c component model comprises an executable program object written in C, C + + language;
the model version multi-person collaborative development module (2) comprises a version management module (201) for centralized management model and a collaborative development process management module (202);
the version management module (201) comprises a security authorization mechanism and a model version update; the principle of the security authorization mechanism is as follows: the model is placed on a server and is authorized to each user by a system administrator, the user accesses files on the server in a check in and check out mode, and unauthorized users cannot access the files on the server; the principle of the model version update is as follows: when a user opens the model each time, detecting whether the server version is consistent with the current version, and detecting and editing any version at any time;
the working principle of the collaborative development process management module (202) is as follows: in the collaborative development process, an administrator firstly establishes a Modelica-based system model project, then adds developers to the system model project, and then sets permissions for the developers, each developer can clone a remote warehouse model to a local machine, and each developer can develop and modify the model relatively independently and submit the model to a remote warehouse;
the web-based model data management module (3) comprises a mass data storage module (301) of model data, a super-large file storage module (302) of model files, a model web visualization view management module (303), a model pedigree management module (304) and a model retrieval module (305);
the mass data storage module (301) of the model data adopts a distributed column type database HBase;
the oversized file storage module (302) of the model file adopts a Hadoop distributed file system architecture;
the model web visual view management module (303) is used for viewing additional attributes/metadata of the model in a browser and realizing visual display of various models;
the model pedigree management module (304) is used for viewing the association between the model reference other models, the referenced models and the simulation result;
the model retrieval module (305) is used for customizing and outputting a retrieval result according to model additional attributes/metadata;
the simulation management module (4) based on cloud computing is divided into a simulation parameter configuration management module (401), a simulation result visualization module (402) and a result data comparison module (403);
the simulation parameter configuration management module (401) is used for checking additional attributes/metadata of simulation and managing simulation configuration;
the simulation result visualization module (402) is used for visualizing views, including animations, curves and tables;
the result data comparison module (403) supports curve comparison and table comparison;
the model health monitoring module (5) realizes the presentation of a real-time sequence discount chart in the model simulation process by monitoring the simulation process;
the model design and optimization module (6) provides a model view tool comprising a Path view, a Package view and a Class view.
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| CN107729623A (en) * | 2017-09-22 | 2018-02-23 | 深圳航天科技创新研究院 | More people concurrent modeling method, system and storage mediums |
| CN107679345A (en) * | 2017-10-31 | 2018-02-09 | 深圳航天科技创新研究院 | The more people's graphical modeling methods of software based on off-line state |
| CN107943452B (en) * | 2017-11-20 | 2020-07-14 | 中国运载火箭技术研究院 | Multi-user collaborative development system structure design platform |
| CN108921426B (en) * | 2018-06-28 | 2022-08-26 | 景致三维（江苏）股份有限公司 | Three-dimensional modeling method and system based on images |
| CN109033720B (en) * | 2018-09-12 | 2022-11-22 | 上海丕休智能科技有限公司 | Multidisciplinary joint simulation and optimization method based on unified modeling environment |
| CN110033665B (en) * | 2019-04-17 | 2021-04-20 | 福建省电力有限公司泉州电力技能研究院 | Multi-person cooperation method and device for electric power VR simulation training |
| CN110210821B (en) * | 2019-05-13 | 2022-07-22 | 中广核工程有限公司 | Nuclear power station radiation shielding collaborative design system and construction method thereof |
| CN112445151A (en) * | 2020-12-09 | 2021-03-05 | 清华大学 | MBD-oriented control system collaborative simulation and design platform |
| CN113591279A (en) * | 2021-07-13 | 2021-11-02 | 苏州同元软控信息技术有限公司 | Method, device, equipment and storage medium for on-line modeling simulation |
| CN113449387B (en) * | 2021-08-30 | 2022-02-15 | 肇庆小鹏新能源投资有限公司 | Data processing method, device and system for cloud computing, electronic equipment and medium |
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| WO2014113751A1 (en) * | 2013-01-21 | 2014-07-24 | Siemens Corporation | Functional debugging of equation-based languages |
| CN103678815B (en) * | 2013-12-10 | 2017-01-18 | 西北工业大学 | Mechanical product collaborative simulation platform system and simulation method thereof |
| US20160042097A1 (en) * | 2014-08-07 | 2016-02-11 | Brigham Young University | System and method for concurrent multi-user analysis of design models |
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