Satellite-rocket docking ring recognition method based on mathematical morphology

Zhiqiang Xu; Yang Shang; Xuan Ma

doi:10.1117/12.2196717

15 October 2015 Satellite-rocket docking ring recognition method based on mathematical morphology

Zhiqiang Xu, Yang Shang, Xuan Ma

Proceedings Volume 9676, AOPC 2015: Optical Design and Manufacturing Technologies; 967602 (2015) https://doi.org/10.1117/12.2196717
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China

Abstract

Satellite-rocket docking ring recognition method based on mathematical morphology is presented in this paper, according to the geometric and grayscale characteristics of the docking ring typical structure. The docking ring used in this paper is a circle with a cross in the middle. Most of spacecrafts are transported into orbit by rocket, and they retain the connection component with the rocket. The tracing spacecraft should capture the target spacecraft first before operating the target spacecraft. The docking ring is one of the typical parts of a spacecraft, and it can be recognized automatically. Thereby we can capture the spacecraft through the information of the docking ring. Firstly a multi-step mathematical morphology processing is applied to the image of the target spacecraft with different structure element, followed by edge detection and line detection, and finally docking ring typical structure is located in the image by relative geometry analysis. The images used in this paper are taken of real satellite in lab. The docking ring can be recognized when the distance between the two spacecraft is different. The results of physical simulation experiment show that the method in this paper can recognize docking ring typical structure accurately when the tracing spacecraft is approaching the target spacecraft.

Citation Download Citation

Zhiqiang Xu, Yang Shang, and Xuan Ma "Satellite-rocket docking ring recognition method based on mathematical morphology", Proc. SPIE 9676, AOPC 2015: Optical Design and Manufacturing Technologies, 967602 (15 October 2015); https://doi.org/10.1117/12.2196717

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