Abstract
An in-situ online health diagnosis and prognosis sy stem (OH-DPS) for train bogie structures was developed. The system, residing on a PXI platform, was recently installed on China's latest high-speed train model CRH380CL. An active piezoelectric sensor network was permanently attached to the bogie frame of the train to actively actuate and receive ultrasonic guided waves. A mass of signals acquired via the system was processed, from which a wide array of signal features was extracted and fused by the built-in program, to monitor the health status of the bogie in a real-time fashion. During the train's conformance testing on the Beijing-Shanghai High-Speed Railway, continuous health monitoring of the bogie frame was carried out, covering a variety of events including departure, speed-up, full speed operation (300 km/h), emergency brake, track change, and stop. Mock-up damage added to the bogie's side panel was successfully located by the system during the operation, and the detection results were visuali zed in a rapid manner through a diagnostic imaging algorithm. The in-situ experiment has evidently demonstrated the feasibility, practicality, effectiveness and accuracy of guided-wave-based health monitoring for high-speed train bogies under real-world working conditions.
Original language | English |
---|---|
Title of host publication | Structural Health Monitoring 2013 |
Subtitle of host publication | A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013 |
Publisher | DEStech Publications |
Pages | 948-955 |
Number of pages | 8 |
Volume | 1 |
ISBN (Electronic) | 9781605951157 |
Publication status | Published - 1 Jan 2013 |
Event | 9th International Workshop on Structural Health Monitoring: A Roadmap to Intelligent Structures, IWSHM 2013 - Stanford University, Stanford, United States Duration: 10 Sep 2013 → 12 Sep 2013 |
Conference
Conference | 9th International Workshop on Structural Health Monitoring: A Roadmap to Intelligent Structures, IWSHM 2013 |
---|---|
Country | United States |
City | Stanford |
Period | 10/09/13 → 12/09/13 |
ASJC Scopus subject areas
- Computer Science Applications
- Health Information Management