Journal
SYMMETRY-BASEL
Volume 15, Issue 2, Pages -Publisher
MDPI
DOI: 10.3390/sym15020425
Keywords
twin simulation; sensory data; structural safety; risk prognosis; structure health monitoring
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This study proposes an intelligent method for the health monitoring of cable network structures, based on the fusion of twin simulation and sensory data. It establishes a high-fidelity twin model using genetic algorithm and captures the key components of the structure using Bayesian probability formula and multiple mechanical parameters. The feasibility and effectiveness of the proposed method are validated through a case study on the Speed Skating Gymnasium of 2022 Winter Olympic Games.
The precise and effective prognosis of safety risks is vital to ensure structural safety. This study proposed an intelligent method for the health monitoring of cable network structures, based on the fusion of twin simulation and sensory data. Firstly, the authors have established a framework that integrate simulation data with sensory data. The authors have established a high-fidelity twin model using genetic algorithm. The mechanical parameters of the structures were obtained based on the twin model. The key components of the structure are captured by using Bayesian probability formula and multiple mechanical parameters. The fusion mechanism of twin simulation and random forest (RF) was established to capture the key influencing factors. The coupling relationship between structural safety state and key factors was obtained, and the safety maintenance mechanism was finally formed. In view of the risk prognosis of the structure, the establishment method for the database of influencing factors and maintenance measures was formed. The authors used the Speed Skating Gymnasium of 2022 Winter Olympic Games (symmetric structure) as the case study for validating the feasibility and effectiveness of the proposed method. The theoretical method formed in this study has been applied to the symmetric structure, which provides ideas for the safety maintenance of large symmetric structures. Meanwhile, this research method also provides a reference for the health monitoring of asymmetric structures.
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