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Structural Health Monitoring of Tall Buildings with Numerical Integrator and Convex-Concave Hull Classification

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  • Suresh Thenozhi
  • Wen Yu
  • Asdrúbal López Chau
  • Xiaoou Li

Abstract

An important objective of health monitoring systems for tall buildings is to diagnose the state of the building and to evaluate its possible damage. In this paper, we use our prototype to evaluate our data-mining approach for the fault monitoring. The offset cancellation and high-pass filtering techniques are combined effectively to solve common problems in numerical integration of acceleration signals in real-time applications. The integration accuracy is improved compared with other numerical integrators. Then we introduce a novel method for support vector machine (SVM) classification, called convex-concave hull. We use the Jarvis march method to decide the concave (nonconvex) hull for the inseparable points. Finally the vertices of the convex-concave hull are applied for SVM training.

Suggested Citation

  • Suresh Thenozhi & Wen Yu & Asdrúbal López Chau & Xiaoou Li, 2012. "Structural Health Monitoring of Tall Buildings with Numerical Integrator and Convex-Concave Hull Classification," Mathematical Problems in Engineering, Hindawi, vol. 2012, pages 1-15, December.
    • Handle: RePEc:hin:jnlmpe:212369
    DOI: 10.1155/2012/212369
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