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1. (WO2018176871) STRAIN SENSOR OPTIMIZATION ARRANGEMENT METHOD BASED ON VIRTUAL TEST

Pub. No.:    WO/2018/176871    International Application No.:    PCT/CN2017/112885
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Sat Nov 25 00:59:59 CET 2017
IPC: G06F 17/50
Applicants: BEIJING AERONAUTICAL SCIENCE & TECHNOLOGY RESEARCH INSTITUTE, COMMERCIAL AIRCRAFT CORPORATION OF CHINA
中国商用飞机有限责任公司北京民用飞机技术研究中心
COMMERCIAL AIRCRAFT CORPORATION OF CHINA, LTD.
中国商用飞机有限责任公司
Inventors: QIU, Ju
邱菊
HU, Zhendong
胡震东
XIE, Wenxuan
谢汶轩
HU, Jingze
扈静泽
JI, Shengcheng
汲生成
LI, Ming
李明
Title: STRAIN SENSOR OPTIMIZATION ARRANGEMENT METHOD BASED ON VIRTUAL TEST
Abstract:
In the technical field of dynamics tests, provided is a strain sensor optimization arrangement method based on a virtual test, comprising: a step of representing, by using a Delta function, whether there is a strain sensor; a step of performing transient response analysis during the random movement of an applied impact load acting point; and a step of obtaining an optimal arrangement scheme for the strain sensor using a genetic optimization algorithm by taking the minimization of the total number of sensors and the maximization of a 2-norm of the sum of strain of impact responses as optimization targets. The beneficial effects of the method are that: a Delta function is used to characterize whether there is a strain sensor, wherein same is practical; based on a genetic algorithm, an impact load acting point can randomly move between skinning nodes, so that a strain sensor optimization arrangement result is universal; an optimization target is simple and easy to define and describe; and compared with traditional sensors, at least half of the sensors can be saved on in terms of arrangement number.