Sensor optimization for progressive damage diagnosis in complex structures

Wenfan Zhou; Narayan Kovvali; Antonia Papandreou-Suppappola; Aditi Chattopadhyay

doi:10.1117/12.848910

8 April 2010 Sensor optimization for progressive damage diagnosis in complex structures

Wenfan Zhou; Narayan Kovvali; Antonia Papandreou-Suppappola; Aditi Chattopadhyay

Author Affiliations +

Proceedings Volume 7650, Health Monitoring of Structural and Biological Systems 2010; 76502S (2010) https://doi.org/10.1117/12.848910
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2010, San Diego, California, United States

Abstract

We propose a sequential Monte Carlo (SMC) based progressive structural damage diagnosis framework that tracks damage by integrating information from physics-based damage evolution models and using stochastic relationships between the measurements and the damage. The approach described in this paper adaptively configures the sensors used to collect the measurements using the minimum predicted mean squared error (MSE) as the performance metric. Optimization is performed globally over the entire search space of all available sensors. Results are presented for the diagnosis of fatigue damage in a notched laminate, demonstrating the effectiveness of the proposed method.

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Wenfan Zhou, Wenfan Zhou, Narayan Kovvali, Narayan Kovvali, Antonia Papandreou-Suppappola, Antonia Papandreou-Suppappola, Aditi Chattopadhyay, Aditi Chattopadhyay, } "Sensor optimization for progressive damage diagnosis in complex structures", Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 76502S (8 April 2010); doi: 10.1117/12.848910; https://doi.org/10.1117/12.848910

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