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Integrity Assessment Models for Bridge Structures Using Fuzzy Decision-Making

퍼지의사결정을 이용한 교량 구조물의 건전성평가 모델

  • Published : 2002.12.01

Abstract

This paper presents efficient models for bridge structures using CART-ANFIS (classification and regression tree-adaptive neuro fuzzy inference system). A fuzzy decision tree partitions the input space of a data set into mutually exclusive regions, each region is assigned a label, a value, or an action to characterize its data points. Fuzzy decision trees used for classification problems are often called fuzzy classification trees, and each terminal node contains a label that indicates the predicted class of a given feature vector. In the same vein, decision trees used for regression problems are often called fuzzy regression trees, and the terminal node labels may be constants or equations that specify the predicted output value of a given input vector. Note that CART can select relevant inputs and do tree partitioning of the input space, while ANFIS refines the regression and makes it continuous and smooth everywhere. Thus it can be seen that CART and ANFIS are complementary and their combination constitutes a solid approach to fuzzy modeling.

References

  1. 건설교통부., "97 교량관리체제(B.M.S.)개선에 관한 연구," 1998.10.
  2. Hines, J., "Fuzzy and Neural Approaches in Engineering," WILEY INTER. SCIENCE, 1997.
  3. 이증빈, 손용우, "교량구조물의 건전도 감시시스템 모델 개발," 대한토목학회 학술발표회, 2001.10.
  4. Frangopol, D. M., Lin, K-Y., and Estes, A. C., Reliability of Reinforced Concrete Girders under Corrosion Attack," Journal of Structural Engineering, VOL.123, No.3, March, 1997, pp. 286-297. https://doi.org/10.1061/(ASCE)0733-9445(1997)123:3(286)
  5. 이증빈, 나기현, "인공지능기술을 이용한 교량구조물의 손상검출," 대한토목학회 학술발표회, 2001.10.
  6. Mori, Y., and Ellingwood, B. R., "Maintaining Reliability of Concrete Structures II: Optimum Inspection /Repair," Journal of Structural Engineering, Vol. 120, No. 3, 1994.3, pp.846-862. https://doi.org/10.1061/(ASCE)0733-9445(1994)120:3(846)
  7. Val, D. V., and Melchers, R. E., "Reliability of Deteriorating RC Slab Bridge," Journal of Structural Engineering, Vol. 123, No. 12, December, 1997, pp.1638-1644. https://doi.org/10.1061/(ASCE)0733-9445(1997)123:12(1638)
  8. 전라남도도로안전관리사업소, "지방도 887호선 증암교 정밀안전진단보고서," 2001.6.
  9. 한국도로공사, "교량유지관리 시스템의 개발 및 운용," 1999.
  10. Frangopol, D. M., Lin, K -Y., and Estes, A.C., "Life-Cycle Cost Design of Deteriorating Structures," Journal of Structural Engineering, Vol. 123, No.10, October, 1997, pp.1390-1401. https://doi.org/10.1061/(ASCE)0733-9445(1997)123:10(1390)
  11. Jang, J-S.R, Sun, C.T., Mizutani, E., "Neuro-Fuzzy and Soft Computing," PRENTICE HALL, 1997.
  12. Miyamoto, A., Kushida, M., Adachi, Y., and Matsumoto, M., "Development of Bridge Management System(BMS)," Journal of Structural Engineering (in Japanese), VI-34, No. 560, 1997.3, pp.91-106.