Modeling and simulation method for missile-borne electrical system based on Modelica language

A technology of electrical system and language, which is applied in the field of modeling and simulation of common missile electrical equipment, can solve the problems of lack of modeling process of missile electrical system and inability to meet the modeling requirements of complex missile comprehensive electronic system

Pending Publication Date: 2020-11-06
BEIHANG UNIV
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Problems solved by technology

[0007] The Modelica standard model library currently contains component models with high versatility in various fields, but it lacks a targeted model library and corresponding modeling process for the missile elect...

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  • Modeling and simulation method for missile-borne electrical system based on Modelica language
  • Modeling and simulation method for missile-borne electrical system based on Modelica language
  • Modeling and simulation method for missile-borne electrical system based on Modelica language

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Embodiment Construction

[0023] With reference to the accompanying drawings, the implementation steps of the present invention will be further described in detail:

[0024] The embodiment of the present invention is on the SimulationX3.8 software platform, aiming at the electrical system on the bullet, mainly based on equipment such as switched reluctance generator, rudder system, battery, DC-DC step-down equipment, pyrotechnics, capacitor and inductance Perform modeling simulations. At the same time, build a model library for the electrical system on the projectile. The model library includes the self-excited switched reluctance generator model, the Thevenin battery model, the PNGV battery model, the DC brush motor model, the rudder system model, the DC step-down equipment model and other models. There are three types of models: voltage threshold recognition model, fuse resistor model, and interface control model. The schematic diagram of the model and the model library is as follows: figure 1 show...

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Abstract

The invention is based on an emerging Modelica language in recent years in the field of computer modeling and simulation, and particularly provides a missile-borne electrical system modeling method. The method mainly comprises the following steps of decomposing a missile-borne electrical system into a plurality of unit-level models; carrying out modeling on the unit-level model by adopting a modeling mode of differential equation description or finite element method description or function fitting method description; identifying the unit-level model; assembling the unit-level models into an on-missile electrical system model; and completing simulation of the on-missile electrical system model. According to the method, modeling difficulty and the modeling workload of the missile-borne electrical system can be reduced, so cost is saved, and research and development efficiency of the missile-borne electrical system is improved.

Description

technical field [0001] The invention belongs to the field of computer modeling and simulation, in particular to modeling and simulation of common bomb-mounted electrical equipment based on the Modelica language. Background technique [0002] The electrical system on the missile is a typical complex system, which has the characteristics of complex technology, wide range of disciplines, and strict requirements on safety and reliability. The modeling and simulation technology can simulate the operation of the electrical system before the designed electrical system is put into production, which can save costs and shorten the production cycle. It is an indispensable link in the development of the electrical system on the bomb. [0003] Most of the existing modeling and simulation technologies for electrical systems on missiles are based on modeling and simulation in a single field, such as control, machinery or electronics. Therefore, in order to accurately and completely model ...

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Application Information

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IPC IPC(8): G06F30/23
CPCG06F30/23
Inventor 肖瑾徐钊胡晓光刘雷段海滨
Owner BEIHANG UNIV
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