Structural Health Monitoring Method of Pantograph–Catenary System Based on Strain Response Inversion

Wireless structural health monitoring system

Impedance-based Structural Health Monitoring

1. Introduction The development of a real-time, in-service structural health monitoring and damage detection technique has recently attracted a large number of academic and industrial researchers. The goal of this research is to allow systems and structures to monitor their own integrity while in operation and throughout their lives in order to prevent catastrophic failures and to reduce the co...

Structural Health Monitoring Using Neural Network Based Vibrational System Identification

Composite fabrication technologies now provide the means for producing high-strength, low-weight panels, plates, spars and other structural components which use embedded fiber optic sensors and piezoelectric transducers. These materials, often referred to as smart structures, make it possible to sense internal characteristics, such as delaminations or structural degradation. In this effort we u...

A Method for Remote Monitoring of Structural Health Based on the Nonlinear Phenomenon in Dynamic Response of Damaged Structures

A new method for remote crack monitoring, based on the breathing crack phenomenon and wavelet transform, is proposed. During vibration, edges of a crack come into and out of contact which causes non-linear effects in the response of a structure, due to changes in the structural stiffness, as the crack opens and closes. Wavelet Transform is applied to detect such nonlinear effects in the respons...

Intelligent Health Evaluation Method of Slewing Bearing Adopting Multiple Types of Signals from Monitoring System

Slewing bearing, which is widely applied in tank, excavator and wind turbine, is a critical component of rotational machine. Standard procedure for bearing life calculation and condition assessment was established in general rolling bearings, nevertheless, relatively less literatures, in regard to the health condition assessment of slewing bearing, were published in past. Real time health condi...