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Paraboloid module division method based on screw theory

A technology of spiral theory and parabola, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc.

Active Publication Date: 2016-02-17
SHANGHAI AEROSPACE SYST ENG INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0008] The object of the present invention is to provide a method for dividing paraboloid modules based on the spiral theory, so as to solve the problem that different module units need to be customized for paraboloids with different calibers in the field of on-orbit assembly

Method used

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  • Paraboloid module division method based on screw theory
  • Paraboloid module division method based on screw theory
  • Paraboloid module division method based on screw theory

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Embodiment Construction

[0029] In order to better illustrate the present invention, the present invention will be described in detail with a preferred embodiment and with accompanying drawings, specifically as follows:

[0030] Such as figure 2 As shown, the paraboloid module division method based on spiral theory provided by the present invention comprises the following steps:

[0031] S1: Start from the center of the bottom of the paraboloid to establish a parabolic helix with equal-area scanning growth characteristics.

[0032] The constructed parabolic spiral is specifically expressed as:

[0033] Z = α 1 · r p 2 r p = ...

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Abstract

The invention provides a paraboloid module division method based on a screw theory. The method comprise: starting from the center of the bottom of a paraboloid, establishing a paraboloid spiral line in an equal area scanning increase characteristic, repeatedly arranging nodes along the spiral line in equal phase, with a golden included angle as the rotation angle, to obtain a uniformly distributed paraboloid spiral dot matrix, connecting any dot in the dot matrix with two or three adjacent dots under the dot, to obtain paraboloid quadrangles or triangular grids approximate to uniform distribution, classifying all units in the paraboloid grids into N kinds (such as 3,5,6,7,or 9 kinds) according to level of similarity, and performing overlaying optimization on all the units in each kind of units, to obtain a largest common shape, and a module unit which can be used to assemble paraboloids in different diameters is obtained. The method can realize universalization of a module unit among different paraboloids, and creates conditions for universalization of an in-orbit assembling system and supporting facilities.

Description

technical field [0001] The invention relates to the technical field of structural modularization, in particular to a method for dividing paraboloid modules based on spiral theory. Background technique [0002] The light-weight, high-precision, high-rigidity large-span-large-area space reticulated shell / plate shell structure is the basic structure for building large-scale space facilities in the future, and it is also one of the important requirements for the development of my country's aerospace engineering in the future. Such a structure can be used to build data Ten-meter-scale space telescopes, earth observation and deep-space communication radars, 100-meter-level solar sails, and space solar power plants, etc., among which super-large parabolic structures as antennas and reflectors for astronomical observations will become important for such super-large structures. one of the structures. Most of the current parabolic structures in orbit are various deployable structures. ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 曾令斌邵济明彭福军史航邱宝贵詹世涛李保江秦礼
Owner SHANGHAI AEROSPACE SYST ENG INST
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