A measuring method for the leading and trailing edges of blade based on feature modeling

被引：0

作者：

Li Xuezhe ^{[1
,2
]}

Shi Zhaoyao ^{[1
]}

Li Ke ^{[1
]}

Li Yukun ^{[1
]}

机构：

[1] Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing Engn Res Ctr Precis Measurement Technol &, Beijing 100124, Peoples R China

[2] North China Inst Sci & Technol, Coll Mech & Elect Engn, Sanhe 065201, Peoples R China

来源：

PROCEEDINGS OF 2019 14TH IEEE INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS (ICEMI) | 2019年

基金：

中国国家自然科学基金;

关键词：

aeroengine blade; leading and trailing edges; feature modeling; conoscopic holography; precision measurement;

D O I：

10.1109/icemi46757.2019.9101787

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In order to solve the problem of measurement for the LIE (Leading and Trailing Edges) of ultra-thin blades, a new method for LIE measurement based on feature modeling is proposed in this study. The accurate coordinates of blade profile are collected using a high-precision laser probe based on conoscopic holography principle, and the fast and precise measurement of LTE is achieved based on feature modeling technology. The research results show that the method proposed in this study fully considers the geometric characteristics of blade profile and can effectively extract the geometric information of LTE by optimizing the number and location of sampling points. This method improves the accuracy and efficiency of LTE measurement significantly, which provides a new technical solution for measuring the LIE of aeroengine blades.

引用

页码：680 / 685

页数：6

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