Spacecraft on-orbit space debris collision multi-parameter detection system and detection method

A technology for space debris and detection systems, which is applied to spaceflight aircraft, testing of machinery/structural components, and aircraft, etc., and can solve problems such as the difficulty of key parameters such as speed, direction, and size of space debris.

Active Publication Date: 2020-12-15
BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0009] Aiming at the problem that key parameters such as speed, direction and size of space debris in the operating environment of spa

Method used

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  • Spacecraft on-orbit space debris collision multi-parameter detection system and detection method
  • Spacecraft on-orbit space debris collision multi-parameter detection system and detection method
  • Spacecraft on-orbit space debris collision multi-parameter detection system and detection method

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Embodiment Construction

[0080] The following introduces the specific implementation mode as the content of the present invention, and the content of the present invention will be further clarified through the specific implementation mode below. Of course, the following specific embodiments are described only to illustrate different aspects of the present invention, and should not be construed as limiting the scope of the present invention.

[0081] see figure 1 , figure 1 It is a structural schematic diagram of a space debris key parameter detection system of a capacitive array of the present invention; it includes a capacitive array film, a metal plate, a fixed bracket, a PVDF piezoelectric sensor, an ultrasonic sensor, a multi-channel scanning capacitive reactance detection module, and a preamplification module , signal acquisition module, signal excitation module and computer, the capacitor array film and the metal plate are installed in parallel through a fixed bracket, and the two are kept at a...

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Abstract

The invention discloses a spacecraft-based on-orbit space debris collision multi-parameter detection system and a spacecraft-based on-orbit space debris collision multi-parameter detection method, which are characterized in that debris collides with a capacitor array film and a metal plate to form elastic waves, and corresponding parameters of various debris are calculated by detecting capacitanceand parameters obtained after signal amplification of the elastic waves. The invention further discloses a corresponding space debris key parameter detection method. According to the invention, parameters such as debris size, speed, flight direction, collision position and the like can be detected, the sensitivity is higher, the precision of the measurement result is higher, and the detection sensitivity can reach 0.1 mm.

Description

technical field [0001] The invention belongs to the technical field of spacecraft structural health parameter detection. Specifically, the invention relates to a multi-parameter detection device for collision of space debris in orbit of a spacecraft, and also relates to a multi-parameter detection method for collision. Background technique [0002] With the continuous development of the aerospace industry of various countries, the number of debris in the space field is increasing day by day. The existence of these debris directly threatens the safe operation of spacecraft in orbit. Although after years of technological development, the protective materials and protective structure design of the spacecraft have been greatly improved, which can effectively protect small-volume debris, but the protection effect on centimeter-level or even millimeter-level debris is limited. Real-time monitoring is carried out to obtain parameters such as debris size, speed, flight direction, an...

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Application Information

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IPC IPC(8): G01M7/08B64G1/66
CPCB64G1/66G01M7/08
Inventor 綦磊孙立臣崔寓淏芮小博孟冬辉张景川孙伟冯咬齐赵越阳
Owner BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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