Health Monitoring System (HMS) for structural assessment

• Type: Article in International Scientific Journal
• Date: 2009

Authors

Jose C E Campose e Matos (Author) Other; Oscar Garcia (Author) Other; Antonio Abel Henriques (Author) FEUP; Joan R Ramon Casas (Author) Other; Josep Vehi (Author) Other

Journal

Title: Smart Structures and Systems

Vol. 5 No. 240

Pages: 223-240

ISSN: 1738-1584

Publisher: Techno Press

Indexing

ISI Web of Knowledge - 2 Citations

ISI Web of Science

Scopus - 4 Citations

Scientific classification

FOS: Engineering and technology > Civil engineering

Other information

Authenticus ID: P-003-KNH

Resumo (PT): As in any engineering application, the problem of structural assessment should face the different uncertainties present in real world. The main source of uncertainty in Health Monitoring System (HMS) applications are those related to the sensor accuracy, the theoretical models and the variability in structural parameters and applied loads. In present work, two methodologies have been developed to deal with these uncertainties in order to adopt reliable decisions related to the presence of damage. A simple example, a steel beam analysis, is considered in order to establish a liable comparison between them. Also, such methodologies are used with a developed structural assessment algorithm that consists in a direct and consistent comparison between sensor data and numerical model results, both affected by uncertainty. Such algorithm is applied to a simple concrete laboratory beam, tested till rupture, to show it feasibility and operational process. From these applications several conclusions are derived with a high value, regarding the final objective of the work, which is the implementation of this algorithm within a HMS, developed and applied into a prototype structure.

Abstract (EN): As in any engineering application, the problem of structural assessment should face the different uncertainties present in real world. The main source of uncertainty in Health Monitoring System (HMS) applications are those related to the sensor accuracy, the theoretical models and the variability in structural parameters and applied loads. In present work, two methodologies have been developed to deal with these uncertainties in order to adopt reliable decisions related to the presence of damage. A simple example, a steel beam analysis, is considered in order to establish a liable comparison between them. Also, such methodologies are used with a developed structural assessment algorithm that consists in a direct and consistent comparison between sensor data and numerical model results, both affected by uncertainty. Such algorithm is applied to a simple concrete laboratory beam, tested till rupture, to show it feasibility and operational process. From these applications several Conclusions are derived with a high value, regarding the final objective of the work, which is file implementation of this algorithm within a HMS, developed and applied into a prototype structure.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 18