NDLI: A semi-physical simulation system for binocular vision guided rendezvous

Content Provider	IEEE Xplore Digital Library
Author	Xiaodong Du Bin Liang Wenfu Xu Xueqian Wang Xuehai Gao
Copyright Year	2012
Description	Author affiliation: Department of Overall Design, Aerospace Dongfanghong Development Ltd., Shenzhen, P.R. China (Xueqian Wang; Xuehai Gao) \|\| The Institute of Space Intelligent System, Harbin Institute of Technology, Harbin, P.R. China (Xiaodong Du; Bin Liang; Wenfu Xu)
Abstract	Autonomous rendezvous in close range requires adequate ground simulations due to its significant difficulties and risks. In this paper, a novel semi-physical simulation system for binocular vision guided rendezvous is established. In this system, virtual three-dimensional models of the spacecrafts and the scene are created using computer graphic technology. Accordingly, images of the binocular cameras on board chaser (servicer) spacecraft are generated and displayed on the liquid crystal displays (LCDs). As the physical component in the simulation loop, two industrial cameras photograph the virtual images on the LCDs so that real camera noise is involved. In order to perform the closed-loop simulation, image acquisition, image processing, pose measurement, chaser guidance, navigation and control, and the system's dynamic motion are conducted. Through the combination of “virtual environment” and “physical environment”, the simulation system can successfully demonstrate binocular vision guided rendezvous. Simulation data is capable to verify the key algorithms during close range rendezvous. Changing the object model and dynamic model, this system can be applied to other vision-related researches.
Starting Page	853
Ending Page	858
File Size	277958
Page Count	6
File Format	PDF
ISBN	9781467318716
e-ISBN	9781467318723
e-ISBN	9781467318709
DOI	10.1109/ICARCV.2012.6485269
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-05
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cameras Space vehicles Computational modeling Extraterrestrial measurements Computers Solid modeling Satellites space robot semi-physical simulation vision measurement autonomous rendezvous
Content Type	Text
Resource Type	Article

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