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

A Calculation Method for Transparency Shading of Spacecraft Components Containing Metal Mesh Cloth

A calculation method and technology of light transmission, applied in calculation, instrumentation, design optimization/simulation, etc., can solve problems such as inaccurate calculation, slow calculation speed, and inability to calculate the occlusion of large spacecraft components, so as to achieve accurate and fast calculation method Accurate calculation to meet the effect of real-time simulation

Active Publication Date: 2022-03-01
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the defects or deficiencies in the prior art, the present invention provides a calculation method for the light-transmitting shading of components containing metal mesh in a spacecraft, which can solve the problem of slow calculation speed and inaccurate calculation in the prior art, and complex The problem that the occlusion of large spacecraft components cannot be calculated

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
  • A Calculation Method for Transparency Shading of Spacecraft Components Containing Metal Mesh Cloth
  • A Calculation Method for Transparency Shading of Spacecraft Components Containing Metal Mesh Cloth
  • A Calculation Method for Transparency Shading of Spacecraft Components Containing Metal Mesh Cloth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0039] In this embodiment, the technical solution of the present invention provides a calculation method for the light-transmitting shielding of components containing metal mesh in a spacecraft. The method uses the smallest repeating unit to model the metal mesh in three dimensions, and obtains The light transmittance of the metal mesh and save the data as a table; use the triangular face to carry out three-dimensional modeling of the metal mesh member, first calculate the positional relationship between the triangular face and the incident light, and look up the table to get the transmittance of the triangular face Light rate, the light intensity of its projection area is reduced accordingly, and the area of ​​the light-transmitting occlusion pattern caused by the metal mesh member is calculated.

[0040] In the present invention, the metal me...

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 a method for calculating the translucent shielding of components containing metal mesh cloth in a spacecraft. The method adopts the smallest repeating unit to carry out three-dimensional modeling of the metal mesh cloth, and obtains the light transmittance of the metal mesh cloth under different illuminations and calculates the method. Save the data as a table; use the triangular surface to model the metal mesh member in 3D, first calculate the positional relationship between the triangular surface and the incident light, look up the table to get the light transmittance of the triangular surface, and calculate the projection area The light intensity is correspondingly reduced, and the area of ​​the light-transmitting occlusion pattern caused by the metal mesh member is calculated. The calculation method of the invention can solve the problems in the prior art that the calculation speed is slow, the calculation is inaccurate, and the shading of large components of complex spacecraft cannot be calculated.

Description

technical field [0001] The invention relates to the technical field of light-transmitting shielding of mesh cloth, in particular to a calculation method for light-transmitting shielding of components containing metal mesh cloth in a spacecraft. Background technique [0002] For most spacecraft, solar arrays are the only energy provider. A solar cell array is composed of multiple solar cells connected in series to form a battery string, and then multiple battery strings are connected in parallel. Since the output current of the battery string is limited by the cell with the smallest output, when a single solar cell is completely shaded, although a bypass diode is connected in parallel on each (or several) cells to avoid the reduction of the output current of the series module when shaded, However, it will still cause a drop in the output voltage of the component. In order to improve the cost-efficiency ratio, the maximum power point voltage of the solar cell array is usuall...

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
Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/15G06F30/20G06T17/20G06T7/62
CPCG06T7/62G06T17/20G06F30/15G06F30/20
Inventor 张东来杨炀李安寿柳新军
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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