Conference 12048 > Paper 12048-501
Paper 12048-501

25 Years of evolution of SHM technologies

7 March 2022 • 8:30 AM - 9:15 AM PST


The evolution of SHM concepts and technologies can easily be tracked by looking in the contents of the IWSHM (International Workshop of Structural Health Monitoring, Stanford, CA); the first one was held in September 1997. The focus during the initial years was set on developing and demonstrating systems with a damage detection capability; proof of reliability is becoming a key theme in recent years, translating procedures already in usage in conventional NDE, as a requirement for SHM industrialization. For civil engineering applications, Operational Modal Analysis (OMA) continues to be the dominant technique; whilst for thin plate stiffened shells, like aircraft structures, Guided Waves is the most notorious technology. Nevertheless, other technologies such as distributed fiber optic sensing and nanoparticles-doped resins amongst others, have demonstrated significant potential and are now in usage. Looking into the near future, new algorithms and data processing techniques are most likely to deliver relevant advancements, drastic changes in sensor technologies seem unlikely. As in any engineering field, the development of simulation tools will remain critical to enrich the variety of experiments without prohibitive costs.


Univ. Politécnica de Madrid (Spain)
Alfredo Güemes has been a Full Professor for Materials Science at the Department of Aeronautics, UPM, since 1989 and Director of the Aerospace Materials and Processes Department, UPM, from 1996 to 2016. His current research interests include shape sensing, CFRP composites, Fibre Optic Sensors (FBG, OBR), damage detection from strain measurements, smart processing of composites. Selected honors include: Advisor of the Spanish Ministry of Science and Technology for the ‘Materials Science Research Program’, 2002-2004, former President of the Spanish Composite Association, 2008-2013, and a ‘SHM Lifetime Achievements Award’ from BOEING in 2011 during the IWSHM. He is the Assoc. Editor of two international journals related to Composites and Smart Structures. Chairman of the ‘EWSHM2016’; Co-Chairman of the IWSHM since 1997 (biennial). He authored 200+ peer reviewed journal papers, 2 patents, several book contributions, and is co-editor of the book "New Trends in Structural Health Monitoring"
Univ. Politécnica de Madrid (Spain)