Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

An inter-satellite relative pose coupling isomorphism integrated dynamic modeling method

A dynamic modeling, relative pose technology, used in special data processing applications, instruments, electrical digital data processing, etc.

Pending Publication Date: 2019-05-17
SHANGHAI AEROSPACE CONTROL TECH INST
View PDF4 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to our research, there are no published research results on the dynamics modeling of flexible spacecraft formations in the world.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • An inter-satellite relative pose coupling isomorphism integrated dynamic modeling method
  • An inter-satellite relative pose coupling isomorphism integrated dynamic modeling method
  • An inter-satellite relative pose coupling isomorphism integrated dynamic modeling method

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0055] Specific implementation method 1: the main star is not controlled, that is, no active control dual force is applied on the main star, and the main star is only affected by the external disturbance force, ignoring the external disturbance force. At this time:

[0056] The dynamic equation of the host star is

[0057]

[0058] in, Indicates the universal gravitational force on the host star, Indicates the gravitational gradient moment on the host star.

specific Embodiment approach 2

[0059] Specific implementation mode 2: different from specific implementation mode 1, this implementation mode does not ignore the external disturbance force, at this time:

[0060] The dynamic equation of the host star is

[0061]

[0062] in, Indicates the universal gravitational force on the host star, Indicates the external interference force received by the main star; Indicates the gravitational gradient moment on the host star, Indicates the external disturbance torque received by the host star.

specific Embodiment approach 3

[0063] Embodiment 3: Different from Embodiment 1 and Embodiment 2, in this embodiment, the main star is controllable, that is, an active control dual force is exerted on the main star. At this time:

[0064] The dynamic equation of the host star is

[0065]

[0066] in, Indicates the control force of the main star, Indicates the universal gravitational force on the main star, Indicates the external disturbance force received by the main star; Indicates the control torque on the main star, represents the gravitational gradient moment on the host star, Indicates the external disturbance torque received by the host star.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an inter-satellite relative pose coupling isomorphism integrated dynamic modeling method for flexible spacecraft formation, relates to a dynamics high-precision modeling methodfor spacecraft formation, in particular to an integrated dynamics modeling method which is used for flexible spacecraft formation, considers the relative pose-structure vibration coupling between formation satellites and is described based on the same mathematical tool. The innovation points of the invention are as follows that firstly, the influence of structural vibration on high-precision formation configuration is considered, and an inter-satellite relative position-relative attitude-structural vibration coupling kinetic model is established; secondly, on the basis of a dual quaternion mathematical tool, relative position motion, relative attitude motion and structural vibration among satellites are unified to be under the same mathematical framework, and an isomorphic integrated dynamic model is obtained.

Description

technical field [0001] The present invention relates to a high-precision dynamics modeling method for spacecraft formations, in particular to an integrated dynamic system described by the same mathematical tool, which is used for flexible spacecraft formations and considers the relative pose-structure vibration coupling between formations. Learn how to model. Background technique [0002] As for spacecraft formation technology, a lot of theoretical research and on-orbit verification have been carried out at home and abroad, such as the Falcon program in the United States and the FDAI program in France. In terms of formation dynamics research, based on the assumption that the reference orbit is a near-circular orbit, Clohessy and Wiltshire established a linear inter-satellite relative position dynamics equation in the Cartesian coordinate system, which is called the C-W equation. For formations whose reference orbits are arbitrary orbits, scholars such as Tschauner and Hempe...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): G06F17/50
Inventor 孙俊张宪亮
Owner SHANGHAI AEROSPACE CONTROL TECH INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com