supported by the China Postdoctoral Science Foundation(No.2022M710956).
In this paper,a visual servoing approach is developed to capture the docking rings of tumbling non-cooperative satellites with a space manipulator.The primary challenge addressed is the potential for the docking ring ...
supported by the National Natural Science Foundation of China(Grant Nos.62003371 and 62103446);Outstanding Youth Fund of Hunan Provincial Natural Science(Grant No.2022JJ20081);Funding of Science and Technology on Aerospace Flight Dynamics Laboratory(Grant No.KJW-6142210210306);Central South University Innovation-Driven Research Program(Grant No.2023CXQD066).
For the challenging problem that a spacecraft approaches a tumbling target with non-cooperative maneuver,an anti-saturated proximity control method is proposed in this paper.First,a brand-new appointed-time convergent...
supported by the China National Postdoctoral Program for Innovative Talents(No.BX20200031);the National Natural Science Foundation of China(Nos.62103013,61633003,61973012);the Program for Changjiang Scholars and Innovative Research Team,China(No.IRT 16R03).
The rendezvous and proximity operations with respect to a tumbling non-cooperative target pose high requirement for the position and attitude control accuracy of servicing spacecraft.However,multiple disturbances incl...
co-supported by the National Natural Science Foundation of China(Nos.61403038 and 61573066);the Open Research Fund of Key Laboratory of Space Utilization,Chinese Academy of Sciences(Nos.LSU-2016-05-2 and LSUKJTS-2017-02)。
The rotational motion of a tumbling target brings great challenges to space robot on successfully capturing the tumbling target.Therefore,it is necessary to reduce the target's rotation to a rate at which capture can ...
supported by the National Science Foundation of China(61427809)
This paper investigates the problem of controlling a chasing spacecraft(chaser)to track and rendezvous with an uncontrolled target.Based on the actual situation,the torque-free motion of an axisymmetric prolate rigid ...
supported by the National Natural Science Foundation of China (No. U1613227);Guangdong Special Support Program (No. 2017TX04X0071);Self-Planned Task of State Key Labora-tory of Robotics and System (HIT) (No. SKLRS201817B);Shenzhen Key Lab Fund of Mechanisms and Control in Aerospace (No. ZDSYS201703031002066)
The growing amount of space debris poses a threat to operational spacecraft and the long-term sustainability of activities in outer space. According to the orbital mechanics, an uncontrolled space object will be tumbl...
Project supported by the Major Program of the National Natural Science Foundation of China(Grant Nos.61690210 and 61690213)
We investigate the close-range relative motion and control of a spacecraft approaching a tumbling target. Unlike the traditional rigid-body dynamics with translation and rotation about the center of mass(CM), the ki...
3 degrees of freedom(DOF)exterior ballistic computer models are used in fragment studies to calculate individual trajectories of each fragment based on drag coefficient and the projected(presented)area in the directio...
supported by the National Natural Science Foundation of China (No. 21274153)
The tumbling dynamics of individual absorbed polymer chains in shear flow is studied by employing multi-particle collision dynamics simulation techniques combined with molecular dynamics simulations.We find that the d...
One of the objectives of car manufacturers is to improve engine performance, reduce consumption reduce emissions. To achieve this objective, it is important to understand the phenomena involved in the combustion chamb...