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Satellite dynamics simulation system and method based on satellite dynamics model library

A technology of dynamic model and dynamic simulation, which is applied in the field of satellite dynamic simulation system, can solve the problems of high development cost and long period, and achieve the effect of low development cost, short period and easy to use

Inactive Publication Date: 2010-08-25
HARBIN INST OF TECH
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  • Summary
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problem that the existing dynamics simulation system needs to repeatedly establish the simulation model to complete the modeling, the development cost is high and the cycle is long. The present invention provides a satellite dynamics simulation system and simulation method based on the satellite dynamics model library.

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  • Satellite dynamics simulation system and method based on satellite dynamics model library
  • Satellite dynamics simulation system and method based on satellite dynamics model library
  • Satellite dynamics simulation system and method based on satellite dynamics model library

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specific Embodiment approach 1

[0013] Specific embodiment one: according to accompanying drawing 1 of description, illustrate this embodiment in detail, the satellite dynamics simulation system based on satellite dynamics model storehouse of the present invention described in this embodiment, it comprises:

[0014] Satellite dynamics model library 1, used to provide various orbit dynamics simulation models 1-11, various space environment simulation models 1-21, various attitude dynamics simulation models 1-31, and various sensor measurement simulation models 1 -41 and various basic algorithm simulation models 1-51;

[0015] The model management system 2 is used to call and control various simulation models in the satellite dynamics model library 1 according to the simulation task, so as to realize satellite dynamics simulation.

[0016] In this embodiment, the satellite dynamics model library 1 has established various models for satellite dynamics simulation, which provides abundant model resources for sate...

specific Embodiment approach 2

[0017] Embodiment 2: This embodiment is a further description of Embodiment 1. The satellite dynamics model library 1 in Embodiment 1 includes:

[0018] The orbital dynamics sub-model library is used to provide various orbital dynamics simulation models 1-11;

[0019] Space environment sub-model library, used to provide various space environment simulation models 1-21;

[0020] Attitude dynamics sub-model library, used to provide various attitude dynamics simulation models 1-31;

[0021] Sensor measurement sub-model library, used to provide various sensor measurement simulation models 1-41;

[0022] The basic algorithm sub-model library is used to provide various basic algorithm simulation models 1-51 for the orbital dynamics sub-model library, space environment sub-model library, attitude dynamics sub-model library and sensor measurement sub-model library.

specific Embodiment approach 3

[0023] Specific embodiment three: this embodiment is a further description of specific embodiment one or two, and various orbital dynamics simulation models 1-11 described in specific embodiment one or two include: two-body orbital dynamics model, J2 Earth shape perturbation orbit dynamics model, J4 earth shape perturbation orbit dynamics model and satellite position velocity conversion orbit element model;

[0024] The various space environment simulation models 1-21 include: sun vector model, moon vector model, earth center vector model, atmospheric density model, air velocity model, geomagnetic field model, earth shadow model, sunlight pressure moment model, aerodynamic moment model and gravity gradient moment model;

[0025] The various attitude dynamics simulation models 1-31 include: rigid body dynamics model, offset rigid body dynamics model, flexible dynamics model, attitude four-element kinematics model, Euler angle kinematics model and Euler axis angle kinematic mod...

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Abstract

A satellite dynamics simulation system and method based on a satellite dynamics model library relates to the technical field of computer simulation. The invention solves the problems of high development cost and long cycle because the existing dynamics simulation systems need repetitive building of simulation models to complete modeling. The satellite dynamics simulation system comprises a satellite dynamics model library and a model management system, wherein the satellite dynamics model library is used for providing various orbit dynamics simulation models, various spatial environment simulation models, various attitude dynamics simulation models, various sensor measurement simulation models and various basic algorithm simulation models; and the model management system is used for calling and controlling various models in the satellite dynamics model library according to the simulation tasks so as to realize satellite dynamics simulation. The invention is application to satellite simulation.

Description

technical field [0001] The invention relates to the technical field of computer simulation, in particular to a satellite dynamics simulation system and simulation method based on a satellite dynamics model library. Background technique [0002] For satellite development and design, simulation is an indispensable link and runs through the entire project. In the initial scheme design stage, mathematical simulation is used to verify and compare the dynamic and steady-state performance of the system to determine the scheme and optimal parameters of the system. [0003] Satellite dynamics simulation is an important part of satellite mathematical simulation. It simulates the space environment of satellite and the orbital attitude movement of satellite, and provides a mathematical simulation environment for the design of satellite control system. The control system calculates the control information based on the satellite attitude information and sensor information generated by th...

Claims

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Application Information

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IPC IPC(8): G06F17/50
Inventor 孙兆伟邓泓仲惟超吴限德王剑颖梁海朝
Owner HARBIN INST OF TECH
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