NDLI: Design on a bending stress measurement system of micro-gear with fiber Bragg grating

Content Provider	IEEE Xplore Digital Library
Author	Hang Niu Xiaodong Zhang
Copyright Year	2015
Description	Author affiliation: Sch. of Mech. Eng., Xi'an Jiaotong Univ., Xi'an, China (Hang Niu; Xiaodong Zhang)
Abstract	Micro-gears are key components in Micro-Electro-Mechanical System (MEMS). For micro-gears, bending strength analysis is not only an effective way to improve gear bearing capacity, but also the foundation of tooth profile optimization and vibration reduction. In addition to theoretical calculation, it is necessary to measure bending stress for more accurate strength analysis. In this paper, a bending stress measurement system of micro-gear with fiber Bragg grating (FBG) is designed. First, the dynamic bending stress of given micro-gears is calculated with finite element method(FEM). The results of FEM, especially the maximum bending stress, are the reference for the parameters of the measurement system. Then, the bending stress measurement system is discussed with emphasis on principle of the system, probe installation, parameters determination of FBG, light transmission and sensing model of the system. The studies done in this paper prove that the bending stress measurement system proposed is feasible. The application of this system can guide the design process of micro-gears.
Sponsorship	IEEE Nanotechnol. Council
Starting Page	575
Ending Page	580
File Size	1645041
Page Count	6
File Format	PDF
ISBN	9781467366953
DOI	10.1109/NEMS.2015.7147495
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-04-07
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fiber gratings Stress measurement Gears Stress Finite element analysis Optical fiber couplers FBG MEMS micro-gear bending stress measurement
Content Type	Text
Resource Type	Article

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