Synergetic Damage Recognition Approach for Messenger Wire in Icing Environment
In icing environment, messenger wire suffers inevitably different damages, which takes a heavy toll on people”s lives and properties, and different types of damages online imaging monitoring need to separate different modal stress waves.So facing the problem of damage identification of electrical messenger wire in the icing environment, a synergetic damage recognition approach is put forward.On the basis of the synergetic principle, this approach establishes a dynamic decision-making mechanism, studies the feature extraction and evaluation method for active acoustic emission signal.Subsequently, this paper introduces the reconstruction method of damage status vector by using training sample fusion algorithm.Experiments were conducted in icing environment.Firstly, this paper studied the impact of messenger wire galloping on identification performance and found that the influence can be ignored.In experiment of damage type recognition, results show that the proposed approach can identify different types of damages well, and comparing with the cluster learning algorithm, the correct rate of recognition has risen 5% when training samples fusion method is introduced.This proposed approach demonstrates a strong anti-noise-interference ability, it can provide theoretical basis for the separation of stress wave modals in subsequent messenger wire structural damage monitoring imaging.
Icing environment Messenger wire Damage recognition Synergetic
Xiaobin HONG Jianxi ZHOU Guojian HUANG
School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, China
国内会议
广州
英文
186-194
2016-12-01（万方平台首次上网日期，不代表论文的发表时间）