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作品数：30被引量：15H指数：2
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Multi-Objective optimization for stable and efficient cargo transportation of partial space elevator
《Defence Technology(防务技术)》2025年第2期17-29,共13页Gefei Shi Zheng H.Zhu 
funded by the National Natural Science Foundation of China(12102487);Basic and Applied Basic Research Foundation of Guangdong Province,China(2023A1515012339);Shenzhen Science and Technology Program(ZDSYS20210623091808026);the Discovery Grant(RGPIN-2024-06290)of the Natural Sciences and Engineering Research Council of Canada。
This paper proposed a new libration decoupling analytical speed function(LD-ASF)in lieu of the classic analytical speed function to control the climber's speed along a partial space elevator to improve libration stabi...
关键词：Partial space elevator Stable transportation Libration decoupling analytical speed function Coordinate game Model predictive control Pareto optimization 
On the optimality of uniform velocity-deceleration separation scheme for tethered satellite systems
《Control Theory and Technology》2024年第4期503-516,共14页Peng Yu Ji-Feng Zhang Shuping Tan Jin Guo Yanlong Zhao 
supported by the National Key R&D Program of China(2018YFA0703800);the National Natural Science Foundation of China(62173030);the Beijing Natural Science Foundation(4222050).
For mitigating the libration angle fluctuation of the tethered satellite system,this paper discusses how to make the uniform velocity-deceleration separation scheme achieve the best effect.First,a judgment condition i...
关键词：Tethered satellite systems Libration angle Uniform velocity-deceleration separation Neural network 
Libration-Generated Average Convection in a Rotating Flat Layer with Horizontal Axis
《Fluid Dynamics & Materials Processing》2024年第10期2235-2249,共15页Kirill Rysin 
supported by the Russian Science Foundation(Grant No.22-71-00086).
The study of average convection in a rotating cavity subjected to modulated rotation is an interesting area for the development of both fundamental and applied science.This phenomenon finds application in the field of...
关键词：ROTATION LIBRATION OSCILLATIONS mass transfer stability averaged convection 
Analytical libration control law for electrodynamic tether system with current constraint
《Astrodynamics》2024年第2期237-246,共10页Shidong Xu Ti Chen Hao Wen Dongping Jin 
supported by the National Natural Science Foundation of China under Grant Nos.11902145 and 12232011;China Postdoctoral Science Foundation under Grant No.2021M691574;Fundamental Research Funds for the Central Universities under Grant No.NS2022002.
This study focuses on stabilizing the libration dynamics of an electrodynamic tether system(EDTS)using generalized torques induced by the Lorentz force.In contrast to existing numerical optimization methods,a novel an...
关键词：electrodynamic tether system(EDTS) libration dynamics analytical control current constraint 
Constrained re-calibration of two-equation Reynolds-averaged Navier–Stokes models
《Theoretical & Applied Mechanics Letters》2024年第2期82-89,共8页Yuanwei Bin Xiaohan Hu Jiaqi Li Samuel J.Grauer Xiang I.A.Yang 
supported by the Air Force Office of Scientific Research(Grant No.FA9550-23-1-0272);the National Natural Science Foundation of China(Grant Nos.11988102 and 91752202).
Machine-learned augmentations to turbulence models can be advantageous for flows within the training dataset but can often cause harm outside.This lack of generalizability arises because the constants(as well as the f...
关键词：Machine learning Turbulence modeling Reynolds-averaged Navier-Stokes 
Quasi-periodic orbits of small solar sails with time-varying attitude around Earth–Moon libration points
《Astrodynamics》2024年第1期161-174,共14页Toshihiro Chujo 
This paper proposes new quasi-periodic orbits around Earth–Moon collinear libration points using solar sails.By including the time-varying sail orientation in the linearized equations of motion for the circular restr...
关键词：solar sail libration point orbit Earth-Moon system circular restricted three-body problem(CR3BP) 
Trajectory correction for lunar flyby transfers to libration point orbits using continuous thrust
《Astrodynamics》2022年第3期285-300,共16页Yi Qi Anton de Ruiter 
supported by the Canada Research Chair Program under Grant No.950-230883.
Trajectory corrections for lunar flyby transfers to Sun–Earth/Moon libration point orbits(LPOs)with continuous thrusts are investigated using an ephemeris model.The lunar flyby transfer has special geometrical and dy...
关键词：libration point orbit trajectory correction Earth-Moon system continuous thrust backstepping technique 
Dynamic modeling and analysis of the looped space tether transportation system based on ANCF
《International Journal of Mechanical System Dynamics》2022年第2期204-213,共10页Jie Yang Qingtao Wang Zhiyong Zhang Zhendong Liu Shidong Xu Gangqiang Li 
This study was supported in part by the National Natural Science Foundation of China(Grant No.11902159);the Natural Science Foundation of Jiangsu Province of China(Grant No.BK20190390);It was also supported in part by the China Postdoctoral Science Foundation(Grant No.2019M661849).
A high‐fidelity multibody‐system dynamic model of the looped tether transportation system(L‐TTS)is proposed in this study to study its large deformation as well as large overall motion.The absolute nodal coordinate...
关键词：looped tether transportation system high‐fidelity model absolute nodal coordinate formulation sliding joints libration suppression 
On the dynamics and control of the Sun-Earth L_(2) tetrahedral formation被引量：3
《Astrodynamics》2021年第4期331-346,共16页Yijun Lian Zhuoxi Huo Yu Cheng 
The authors would like to appreciate the anonymous reviewers for giving valuable advice to help in improving the quality of the paper.This study was supported by the National Natural Science Foundation of China(Nos.11602297,11902027,and 62173334).
The dynamics and control of a tetrahedral spacecraft formation flying in the Sun-Earth L2 region is initiatively studied,based on the circular restricted three-body problem(CR3BP).Driven by the science goal of identif...
关键词：tetrahedron configuration Multiple-spacecraft Exoplanet Aperture sYnthetic INterferometer(MEAYIN) formation flying dynamics and control interferometry libration point orbit 
A pressure-calibration method of wavelength modulation spectroscopy in sealed microbial growth environment
《Chinese Physics B》2021年第5期378-383,共6页Kun-Yang Wang Jie Shao Li-Gang Shao Jia-Jin Chen Gui-Shi Wang Kun Liu Xiao-Ming Gao 
the National Key Research and Development Program of China(Grant Nos.2017YFC0209700 and 2016YFC0303900);the National Natural Science Foundation of China(Grant No.41730103).
A new pressure-calibration method for calibrating the reduction of second harmonic(2f)amplitude caused by pressure broadening effect in sealed microbial growth environment is present.The new method combines with linew...
关键词：second harmonic amplitude pressure-calibration microbial growth sealed environment CO_(2) 
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