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Tolerance Analysis of Test Mass Alignment Errors for Space-Based Gravitational Wave Detection [PDF]

open access: yesSensors
Space-based gravitational wave detection imposes extremely high requirements on displacement measurement accuracy, with its core measurement components being laser interferometers and inertial sensors.
Jun Ke   +6 more
doaj   +2 more sources

A Meta-analysis of Studies on the Relationship Between Social Trust and Social Tolerance in Iran [PDF]

open access: yesاسلام و مطالعات اجتماعی, 2021
Numerous studies have been conducted on social tolerance. One of the most important variables related to social tolerance is social trust. The meta-analysis method has been used to combine and analyze the results of research on social trust and social ...
Hassan Piri, Mohsen Niazi
doaj   +1 more source

High-Efficiency Broadband Polarization-Independent Reflective Grating with Double-Layer Dielectric Rectangle Groove in Littrow Mounting

open access: yesApplied Sciences, 2022
The design and performance of a high-efficiency broadband and polarization-independent reflective grating is reported. The physical mechanism of the gratings can be described by the modal method.
Ge Jin   +4 more
doaj   +1 more source

Modeling and Analysis of Rotor System Tolerance Based on Small Displacement Torsor

open access: yesHangkong gongcheng jinzhan, 2021
Helicopter vibration is closely related to manufacturing technology.Reducing manufacturing error can effectively reduce helicopter vibration.In order to analyze the geometric rotation accuracy of helicopter rotor system, the key tolerance on the assembly
LIU Zhuangzhuang, HAN Dong
doaj   +1 more source

Design of a Large Field of View and Low-Distortion Off-Axis Optical System Based on a Free-Form Surface

open access: yesPhotonics, 2023
Free-form surfaces have good aberration correction capability and balance capability for nonrotationally symmetric imaging systems. In this study, we analyzed the quantitative relationship between X–Y polynomial combination and aberration for the ...
Bing Jia   +4 more
doaj   +1 more source

Taylor Expansion and Matrix-Based Interval Analysis of Linear Arrays With Patch Element Pattern Tolerance

open access: yesIEEE Access, 2021
In this study, a novel interval analysis (IA) approach for linear arrays with element pattern tolerance is proposed. This study differentiates itself from the classic interval analysis (CIA) method because it focuses on the effects of the array element ...
Peng Li, Chao Wang, Wanye Xu, Liwei Song
doaj   +1 more source

Multiobjective electric machine optimization for highest reliability demands

open access: yesCES Transactions on Electrical Machines and Systems, 2020
This article is about illustrating a workflow for incorporating reliability measures to typical electric machine design optimization scenarios. Such measures facilitate comparing designs not only for rated conditions, but also allow to analyze their ...
Gerd Bramerdorfer
doaj   +1 more source

Design of a High-Performance Digital Slit-Lamp Microscope with Five-Switched Zoom

open access: yesApplied Sciences, 2020
In this study, we design and present a five-fold digital slit-lamp microscope (DSLM) with built-in photographic lens and CCD. The initial structures of the front objective, Galilean telescope system, and photographic lens are systematically investigated ...
Youping Huang   +4 more
doaj   +1 more source

Screening of Yeast in Various Vineyard Soil and Study on Its Flavor Compounds from Brewing Grape Wine

open access: yesMolecules, 2022
In order to screen out Saccharomyces cerevisiae suitable for table grape fermentation, and compare it with commercial Saccharomyces cerevisiae in terms of fermentation performance and aroma producing substances, differences of fermentation flavor caused ...
Xuzeng Wang, Zhaogai Wang, Tao Feng
doaj   +1 more source

Statistical Tolerance Analysis—A Survey on Awareness, Use and Need in German Industry

open access: yesApplied Sciences, 2021
The importance of geometric deviations of components for the aesthetic and functional quality of products has been undisputed for decades. So, it is not surprising that not only have numerous researchers devoted themselves to this field, but also ...
Michael S. J. Walter   +3 more
doaj   +1 more source

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