Pose prediction method and device for space non-cooperative targets
A non-cooperative target and prediction method technology, applied in the field of space vehicle on-orbit service, can solve the problems of low prediction accuracy and large amount of calculation, and achieve the effect of improving adaptability and reducing difficulty
Active Publication Date: 2022-06-28
CHINA ACADEMY OF SPACE TECHNOLOGY
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[0005] Based on this, the embodiments of the present invention provide a pose prediction method and device for non-cooperative objects in space to solve the problems of large amount of calculation and low prediction accuracy of traditional pose prediction methods
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[0066] In the following description, for the purpose of illustration rather than limitation, specific details such as specific system structures and techniques are set forth in order to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details.
[0067] In order to illustrate the technical solutions of the present invention, the following specific embodiments are used for description.
[0068] see figure 1 , a schematic diagram of the implementation flow of an embodiment of the method for predicting the pose of a non-cooperative target in space provided by the present embodiment, which is described in detail as follows:
[0069] In step S101, the spatial non-cooperative target is measured axially based on binocular vision, and a binocular axial measurement result is obtained.
[0070] The non-cooperative ...
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The invention relates to the field of space vehicle on-orbit service technology, and provides a pose prediction method and device for space non-cooperative targets, including: performing axial measurement on space non-cooperative targets based on binocular vision, and obtaining binocular axial measurement results; Establishing a non-cooperative target kinematics observation model, and performing pose parameter identification on the binocular axial measurement results according to the non-cooperative target kinematics observation model, to obtain the pose information of the non-cooperative target at the current measurement moment; Based on the kinematic observation model of the non-cooperative target, the pose state of the non-cooperative target is predicted according to the pose information at the current measurement moment. The invention realizes the identification of kinematics parameters of non-cooperative targets and the prediction of future time poses, reduces the difficulty of on-orbit service or on-orbit capture, and improves the adaptability to different targets.
Description
technical field [0001] The present invention relates to the technical field of on-orbit service of space vehicles, in particular to a method and device for predicting the position and attitude of a non-cooperative space target. Background technique [0002] With the increasing exploration of space by human beings, space junk (such as abandoned satellites, rocket final stages, etc.) has gradually accumulated, occupying valuable orbital resources. Most of these targets are non-cooperative targets with no communication and no docking design. The in-orbit service technology for such targets can not only repair abandoned satellites or replenish them with gas and liquid, but also play an important role in the field of space debris or space attack and defense. strategic significance. In the orbit service mission, when the service spacecraft tracks, approaches and captures the target, it needs to realize the relative position and attitude measurement between the spacecraft and the ...
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IPC IPC(8): B64G4/00B64G1/24
CPCB64G4/00B64G1/24B64G1/245
Inventor 李志楚中毅海啸庞羽佳黄龙飞黄剑斌蒙波张志民韩旭李海超王尹
Owner CHINA ACADEMY OF SPACE TECHNOLOGY