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Dynamic-force extraction for micro-propulsion testing: Theory and experimental validation
Wang CS; Guan CB; Liu XH; Wang XD; Li F(李飞); Yu XL(余西龙)
Source PublicationREVIEW OF SCIENTIFIC INSTRUMENTS
2018-11-01
Volume89Issue:11Pages:Ar-115110
ISSN0034-6748
AbstractA dynamic-force extraction, based on the least-squares method, is proposed for micro-propulsion testing. Having modeled the displacement oscillation of a micro-newton torsional pendulum, the time evolution of the dynamic force may be calculated if the stand constants are well calibrated. According to the linear characteristic of the motion equation, a reconstruction of the dynamic thrust reduces to solving linear equations. The simulation analysis shows that the error is affected by the sensor noise and the low-pass filter as well as the sampling rate. Validation experiments were performed showing that this method reconstructs the dynamic force well up to 8 Hz with an error less than 15 mu N. The noise-induced error moreover varies little with frequency. (c) 2018 Author(s).
DOI10.1063/1.5037365
URL查看原文
Indexed BySCI ; EI
Language英语
WOS IDWOS:000451735700079
WOS KeywordTHRUST MEASUREMENTS ; BALANCE ; STAND
WOS Research AreaInstruments & Instrumentation ; Physics, Applied
WOS SubjectInstruments & Instrumentation ; Physics
Funding OrganizationScientific Instrument Developing Project of the Chinese Academy of Sciences [YZ201637] ; Youth Innovation Promotion Association CAS ; Edanz Group China
ClassificationQ3
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78134
Collection高温气体动力学国家重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab High Temp Gas Dynam, Inst Mech, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China
3.China Acad Space Technol, Beijing Inst Control Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang CS,Guan CB,Liu XH,et al. Dynamic-force extraction for micro-propulsion testing: Theory and experimental validation[J]. REVIEW OF SCIENTIFIC INSTRUMENTS,2018,89(11):Ar-115110.
APA Wang CS,Guan CB,Liu XH,Wang XD,李飞,&余西龙.(2018).Dynamic-force extraction for micro-propulsion testing: Theory and experimental validation.REVIEW OF SCIENTIFIC INSTRUMENTS,89(11),Ar-115110.
MLA Wang CS,et al."Dynamic-force extraction for micro-propulsion testing: Theory and experimental validation".REVIEW OF SCIENTIFIC INSTRUMENTS 89.11(2018):Ar-115110.
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