FOLDING

作品数：269被引量：299H指数：7
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  • 期刊=Chinese Journal of Aeronauticsx
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Analytical model for predicting folding stable state of bistable deployable composite boom
《Chinese Journal of Aeronautics》2024年第8期460-469,共10页Tianwei LIU Jiangbo BAI Nicholas FANTUZZI 
supported by the National Natural Science Foundation of China(No.52275231);the National Defense Basic Scientific Research Program of China(No.JCKY2019205C002).
Bistable Deployable Composite Boom(Bi-DCB)can achieve bistable function by storing and releasing strain energy,which has a good application prospect in space field.For example,it serves as the main support section of ...
关键词：BISTABLE Deployable composite boom Solar arrays ANTENNAS Archimedes’helix FOLDING Failure analysis 
A flat-foldable equiangular spiral folding pattern inspired by sunflowers for deployable structures
《Chinese Journal of Aeronautics》2024年第6期425-438,共14页Shuangqing YU Jinguo LIU Pengyuan ZHAO Yingying TANG 
supported in part by National Key R&D Program of China(Grant No.2018YFB1304600);CAS Interdisciplinary Innovation Team(Grant No.JCTD-2018-11);the Natural Science Foundation of China(Grant No.51775541).
Flasher origami pattern has been widely utilized to improve the stowage efficiency of deployable structures.Nevertheless,flasher origami cannot be folded fully flat,and they still have great potential for optimization...
关键词：Flasher origami Sunflower-inspired Deployable structures Flat-foldability Equiangular spiral folding pattern 
Experimental and numerical flutter analysis of a folding fin with multiple asymmetric free-plays被引量：1
《Chinese Journal of Aeronautics》2024年第5期332-348,共17页Chenyu LIU Chao AN Changchuan XIE Xin ZHANG Lan YANG 
This study was supported by the National Natural Science Foundation of China(No.12102027).
Experimental folding fin models with an adjustable free-play are tested in a wind tunnel.The fin structure is modeled using the free-interface component mode synthesis method,and its free-play is modeled as four indep...
关键词：Free-play Limit cycle oscillation FLUTTER Component mode synthesis Vortex-lattice method 
Fast period estimation of X-ray pulsar signals using an improved fast folding algorithm被引量：1
《Chinese Journal of Aeronautics》2023年第10期309-316,共8页Minzhang SONG Yidi WANG Wei ZHENG Liansheng LI Yusong WANG Xiaowei HU Yulong WU 
the National Natural Science Foundation of China(No.61703413).
An accurate period is important to recover the pulse profile from a recorded photon event series of an X-ray pulsar and to estimate the pulse time of arrival,which is the measurement of X-ray pulsar navigation.Epoch f...
关键词：Epoch folding Fast folding algorithm Pulsar spin period Phase estimation X-ray pulsar 
Nonlinear system identification framework of folding fins with freeplay using backbone curves被引量：2
《Chinese Journal of Aeronautics》2022年第10期183-194,共12页Shuaishuai LIU Rui ZHAO Kaiping YU Bowen ZHENG 
financial supports from the Fundamental Research Funds for the Central Universities, China (No. HIT. NSRIF. 2020014);the National Natural Science Foundation of China (No. 12102103)
Due to wear and manufacturing tolerance,the freeplay is unavoidable in the hinges of folding fins,which exerts significant effects on the aerodynamic characteristics.This paper proposes a backbone-curve-based framewor...
关键词：Backbone curves Folding fin Freeplay nonlinearity Harmonic approximation Indirect estimation Output-only identification 
Nonlinear aeroelastic analysis of the folding fin with freeplay under thermal environment被引量：11
《Chinese Journal of Aeronautics》2020年第9期2357-2371,共15页Haonan HE Hong TANG Kaiping YU Jinze LI Ning YANG Xiaolei ZHANG 
The nonlinear aeroelastic behavior of a folding fin in supersonic flow is investigated in this paper.The finite element model of the fin is established and the deployable hinges are represented by three torsion spring...
关键词：Aeroelasticity Fixed-interface modal synthesis method Folding fin Freeplay Thermal environment 
A fast pulse phase estimation method for X-ray pulsar signals based on epoch folding
《Chinese Journal of Aeronautics》2016年第3期746-753,共8页Xue Mengfan Li Xiaoping Sun Haifeng Fang Haiyan 
supported by the National Natural Science Foundation of China(No.61301173)
X-ray pulsar-based navigation （XPNAV） is an attractive method for autonomous deep- space navigation in the future. The pulse phase estimation is a key task in XPNAV and its accuracy directly determines the navigatio...
关键词：Epoch folding Maximum likelihoodPhase estimation X-ray pulsar X-ray pulsar-basednavigation （XPNAV） 
Nonlinear flutter wind tunnel test and numerical analysis of folding fins with freeplay nonlinearities被引量：19
《Chinese Journal of Aeronautics》2016年第1期144-159,共16页Yang Ning Wang Nan Zhang Xin Liu Wei 
The flutter characteristics of folding control fins with freeplay are investigated by numer- ical simulation and flutter wind tunnel tests. Based on the characteristics of the structures, fins with different freeplay ...
关键词：Folding wing Freeplay nonlinearity Nonlinear aeroelasticity Free-interfa componentmode synthesis method Wind tunnel test 
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