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Distributed combined simulation system based on FMI and construction method

A distributed simulation and subsystem technology, applied in the field of system simulation, can solve the problems of complex construction process and low calculation efficiency of large-scale simulation systems, and achieve the effects of simplifying construction complexity, increasing scalability, and reducing coupling

Active Publication Date: 2016-02-03
苏州同元软控信息技术有限公司
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Problems solved by technology

[0003] In order to solve the above-mentioned deficiencies in the prior art, the present invention aims to provide an FMI-based distributed co-simulation system and its construction method, which can quickly realize collaboration and co-simulation among multiple heterogeneous simulation platforms, and at the same time make full use of Computing resources, which have a significant effect on solving the problems of complex construction process and low computational efficiency of large-scale simulation systems

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  • Distributed combined simulation system based on FMI and construction method

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Embodiment Construction

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] see figure 1 As shown, a distributed simulation system based on the FMI interface includes a server 1 and several sub-computing terminals 2 connected thereto, and the server 1 contains a logical scheduling module 101, a main simulator 102 and a server control module 103, each sub-computing terminal 2 includes a physical equation subsystem 201, a sub-simulator 202 and a sub-computing control module 203;

[0029] The physical equation subsystem 201 uses various linear and nonlinear solving algorithms to solve the physical equation system according to the input of the equation system, and generates a solution result;

[0030] The logic scheduling module 101 is used to define the logical relationship between the physical equation subsystems 201, mainly including data flow direction and numerical calculation, forming a logical rel...

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Abstract

The invention discloses a distributed combined simulation system based on an FMI and a construction method. The distributed combined simulation system based on the FMI comprises a server, a master control terminal software, a sub-calculation terminal, a terminal software and an emulator. The emulator utilizes FMI combined simulation ports which are imported by various kinds of heterogeneous platforms to perform model calculation according to the FMI port logic; the master control terminal software finishes variable connection relation configuration between a system dispatching model and a sub-system calculation model; and the terminal software finishes subsystem network configuration. In the system operation process, the emulator operation system in the server operates the system dispatching model and is synchronized with the system data, and the emulator in the sub-calculation terminal operates the sub-system model. The distributed combined simulation system based on the FMI divides the system simulation into the system dispatching and system calculation, which reduces the coupling between the sub-systems, can fast realize the cooperation and combined simulation between the heterogeneous platforms, can fully utilize the calculation resource, and can solve the problems that the mass simulation system construction process is complex and the calculation efficiency is low.

Description

technical field [0001] The invention belongs to the field of system simulation, and in particular relates to an FMI-based distributed joint simulation system and a construction method thereof. Background technique [0002] In the process of building a large-scale multi-domain simulation system, it is usually necessary to connect the mathematical models built on multiple platforms for joint simulation. The main way to connect multiple platforms is to use the data communication interface provided by each platform, or to carry out secondary development on the basis of the emulator of each platform. Since the interfaces or emulators provided by each platform have different brands and specifications, it is difficult to build The process of simulating the system requires a lot of inter-platform data conversion or interface adaptation development. In addition, due to the inconsistency of the data interfaces of each platform, it is impossible to separate the data communication from...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B17/02
Inventor 杨浩丁建完龚雄郭俊峰张军琛周凡利
Owner 苏州同元软控信息技术有限公司
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