High precision dynamic measurement method for axial clearance based on time division multiplexing with dispersive interferometry

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成果类型：

期刊论文

作者：

Duan, Fajie;Li, Xiuming;Bao, Ruijia;Fu, Xiao;Liu, Wenzheng;...

通讯作者：

Bao, RJ

作者机构：

[Bao, Ruijia; Yu, Zhenxin; Liu, Wenzheng; Li, Xiuming; Bao, RJ; Duan, Fajie; Fu, Xiao] Tianjin Univ, State Key Lab Precis Measurement Technol & Instrum, Tianjin 300072, Peoples R China.

[Bao, Ruijia; Yu, Zhenxin; Liu, Wenzheng; Li, Xiuming; Guo, Guanghui; Bao, RJ; Duan, Fajie; Fu, Xiao] Yunnan Open Univ, Coll Optoelect & Commun Engn, Kunming 650500, Yunnan, Peoples R China.

[Liu, Wenzheng] Changsha Univ Sci & Technol, Coll Automot & Mech Engn, Changsha 410114, Hunan, Peoples R China.

[Guo, Guanghui] AECC, Sichuan Gas Turbine Res Inst, Chengdu 610500, Sichuan, Peoples R China.

通讯机构：

[Bao, RJ ] T

Tianjin Univ, State Key Lab Precis Measurement Technol & Instrum, Tianjin 300072, Peoples R China.

Yunnan Open Univ, Coll Optoelect & Commun Engn, Kunming 650500, Yunnan, Peoples R China.

语种：

英文

关键词：

Absolute distance measurement;Doppler effect;Frequency division multiplexing;Multiplexing;Precision metrology;Time division multiplexing

期刊：

Optics Express

ISSN：

1094-4087

年：

2023

卷：

期：

页码：

28549-28563

DOI：

10.1364/OE.498360

基金类别：

National Natural Science Foundation of China (52205573, 61971307, 62231011, U2241265); National Key Research and Development Plan Project (2020YFB2010800); China Postdoctoral Science Foundation (2022M720106); Joint Fund of Ministry of Education for Equipment Pre-research (8091B022144); National Defense Science and Technology Key Laboratory Fund (6142212210304); Guangdong Province Key Research and Development Plan Project (2020B0404030001); Fok Ying Tung Education Foundation (171055); Young Elite Scientists Sponsorship Program by CAST (2021QNRC001); Scientific Research Foundation of Yunnan Education Bureau (2023J0794).

机构署名：

本校为其他机构

院系归属：

汽车与机械工程学院

摘要：

Rotor-stator axial clearance is a crucial design parameter affecting rotating machines’ efficiency and safety. To accurately measure the dynamic axial clearance in high-speed machinery, a precise method based on time division multiplexing with frequency domain interferometry has been proposed. This method has proven robust and accurate through simulations and experiments. The inclusion of an optical switch enables the utilization of dispersive interferometry(DPI) and time division multiplexing for multiple channels of the light source. It achi...

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High precision dynamic measurement method for axial clearance based on time division multiplexing with dispersive interferometry

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