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Distributed real-time interactive simulation system based on modelica modeling language

A distributed real-time simulation system technology, applied in the field of computer application, can solve problems such as insufficient links, poor reusability of simulators, time-consuming cost, etc., and achieve the effects of improving scalability, reducing development difficulty, and making simulation experiments easy

Inactive Publication Date: 2012-08-01
HUAZHONG UNIV OF SCI & TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

From the generation of distributed interactive simulation technology to the formulation of DIS2.X and IEEE1278.X series protocols, and then to today's HLA (Advanced Simulation Architecture), all attempts to solve the problems in the field of modeling and simulation: most simulators The implementation of the application is relatively independent, and the reusability of the emulator is poor; the development, maintenance and use are time-consuming and costly; the verifiability, validity and confidence are poor
At present, my country's traditional experimental teaching links are insufficient, experimental resources are unbalanced, and students' innovation ability is insufficient. The research and construction of virtual experimental teaching environment is conducive to solving the problems existing in current experimental teaching.
However, the virtual experimental teaching environment has the characteristics of subject diversity, and the existing simulation systems are difficult to meet the needs of all experimental teaching.

Method used

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  • Distributed real-time interactive simulation system based on modelica modeling language
  • Distributed real-time interactive simulation system based on modelica modeling language
  • Distributed real-time interactive simulation system based on modelica modeling language

Examples

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Embodiment Construction

[0026] Such as figure 1 As shown, the system is realized by five functional modules of client 1, central server 2, sub-computing server 3, emulator scheduling interface 4 and emulator 5.

[0027] Before introducing the functions and interaction process of each module, the simulation interaction protocol of the system will be described in detail. The system contains three kinds of interactive commands: task request command, calculation request command and reply command. The collection of task request command, calculation request command and reply command constitutes the simulation interaction protocol of this system.

[0028] The commands sent by the client 1 to the central server 2 and the commands forwarded by the central server 2 to the sub-computing server 3 are all task request commands; the commands sent by the sub-computing server 3 to the emulator scheduling interface 4 are calculation request commands; the emulator scheduling interface 4. The command that replies to ...

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Abstract

The invention discloses a distributed real-time interactive simulation system based on modelica modeling language, which combines with the advantage of the modelica modeling language which supports multi-field simulation modeling and existing HLA (high level architecture) simulation system structure according to weak link of the modelica modeling language on the aspect of interactive simulation. Multiple isomeric computers are connected with each other by a center server through the high-speed network provided with unified communication standards, principles and protocols, and the distributed real-time interactive simulation system is realized by client sides, the center server, sub computing servers, simulator dispatch interfaces and simulators, and the client sides and the center server are communicated through the TCP (transmission control protocol). By the aid of the distributed real-time interactive simulation system which is characterized by providing unified simulator dispatch interfaces, developing new simulation tests is easier, developing difficulty is reduced and extendibility of the system is improved.

Description

technical field [0001] The invention belongs to the field of computer application, and in particular relates to a distributed real-time interactive simulation system based on the modelica modeling language. The system is particularly suitable for building a multi-disciplinary virtual experiment teaching platform. Background technique [0002] Distributed interactive simulation refers to the use of coordinated structures, standards, protocols and databases to interconnect simulation devices scattered in various places through a local area network or wide area network to form a comprehensive simulation environment that can participate. From the generation of distributed interactive simulation technology to the formulation of DIS2.X and IEEE1278.X series protocols, and then to today's HLA (Advanced Simulation Architecture), all attempts to solve the problems in the field of modeling and simulation: most simulators The implementation of the application is relatively independent,...

Claims

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Application Information

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IPC IPC(8): G06F9/455H04L29/08
Inventor 蒋文斌金海马潇王曙光张磊董浩刘超童围
Owner HUAZHONG UNIV OF SCI & TECH
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