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Estimating bridge performance based on a matrix-driven fuzzy linear regression model
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DOI：10.1016/j.autcon.2008.12.005.png)
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摘要
En 中文
Determining a reliable bridge maintenance and rehabilitation strategy relies on accurate predictions of bridge conditions. Conventional regression cannot handle visual inspection results that are inherently non-crisp or linguistic. On the other hand. fuzzy regression provides an effective means for coping with such fuzzy data or linguistic variables. However, many of the existing fuzzy regression models require substantial computations due to complicated fuzzy arithmetic. This paper presents a multiple fuzzy linear regression using matrix algebra. The proposed model is capable of dealing with a mixture of fuzzy data and crisp data. Moreover, the approach is intuitive and easy to implement as compared to other related fuzzy regression models. A case study using bridge inspection data is presented to establish estimated fuzzy regression equations produced by the proposed approach and examine the factors contributing to overall bridge performance. The results demonstrate the capability of the approach, which can assist bridge managers to make better maintenance policies based on the future bridge conditions predicted by the model. (C) 2009 Elsevier B.V. All rights reserved.
Keyword:
Maintenance decision-making
Bridge inspection
Bridge performance
Deterioration prediction
Fuzzy regression analysis
期刊
IF:
11.5
论文数:
6.3K
被引数:
4.2W
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