Small satellite attitude control ground simulating device and method

A satellite attitude control and ground simulation technology, applied in attitude control and other directions, can solve the problems of inappropriateness, limited cost, and high cost, and achieve the effect of reducing real-time requirements

Active Publication Date: 2011-07-20
ZHEJIANG UNIV
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  • Abstract
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Problems solved by technology

This kind of semi-physical simulation device has high cost, complex design, and poor versatility. It is suitable for the test of large satellites with fixed models, but it is not very suitable for small satellites with flexible design and limited cost.

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  • Small satellite attitude control ground simulating device and method
  • Small satellite attitude control ground simulating device and method
  • Small satellite attitude control ground simulating device and method

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Embodiment Construction

[0042] Such as figure 1As shown, a typical satellite attitude control system includes an attitude control processor, a measurement component, an execution component, and a satellite body. The attitude control processor is the core computing unit of the satellite attitude control system. The measurement components include various attitude sensors and their interface devices carried by the satellite under test, such as gyroscopes, sun sensors, magnetometers, star sensors, etc. The execution components include various control mechanisms carried by the satellite under test and their interface devices, such as magnetic torque devices, momentum wheels, jet mechanisms, etc. The satellite body includes the satellite shell and all other on-board devices. When the satellite attitude control system is working, the attitude control processor reads the data collected by the measurement components, and sends control commands by applying the attitude measurement and control algorithms on t...

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Abstract

The invention discloses small satellite attitude control ground simulating device and method. The small satellite attitude control ground simulating device mainly comprises a simulation support module and a satellite tested module, wherein the simulation support module comprises a simulation computer, an embedded processor and a field programmable gate array; the satellite tested module comprisesan attitude control processor, measuring parts and executing parts; the simulation computer, the embedded processor and the field programmable gate array are sequentially connected; and the attitude control processor, all measuring parts and all executing parts are respectively connected with the field programmable gate array. The invention is suitable for the simulation requirements of satellites in various models, simultaneously meets various ways of semi-physical simulation requirement, has simpler development and maintenance of simulation computer software, more flexible and convenient operation of the simulation process and the analysis of a simulation result, simple realization and low cost and greatly shortens the development time and development cost of the satellite attitude control ground simulating device.

Description

technical field [0001] The invention relates to the field of satellite attitude control system testing, in particular to a ground simulation device for small satellite attitude control system testing. Background technique [0002] The attitude control system is one of the most complex subsystems in satellite design. During the development process on the ground, due to the lack of a real space environment, the attitude control system cannot be tested directly, but can only be simulated. Satellite attitude control system simulation is divided into three types: mathematical simulation, semi-physical simulation, and full-physical simulation. For the development of small satellites, the full physical simulation based on the air bearing platform is generally seldom used due to the high cost. Mathematics simulation and semi-physical simulation are the main simulation means of small satellite attitude control system. [0003] Mathematical simulation is a simulation method that co...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D1/08
Inventor 韩柯向甜朱小丰屠斌杰王昊金仲和
Owner ZHEJIANG UNIV
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