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Moving load identification for bridge by using ANN method

孙利民L.M. Sun W. Chen Z.Y. Luo & D.H. Dan

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摘要/描述

In this paper, a method based on the artificial neural network technology, which is used to iden-tify two moving vehicles load on a simply supported bridge, is discussed. A multi-step identification procedure, which can be used effectively to identify multiple vehicle parameters such as loadlocation, load magnitude, andmoving speed, is proposed. The sensitivity of various input variables to the output and the effect of variation ofsample number to the identification result are investigated. The example data for training and verification aregenerated by theoretical simulation. The identification simulation shows that the proposed ANN method andprocedure can identify the moving vehicle load problem with acceptable accuracies. The ANN can also identifythe vehicle loads withclosed spacing and high moving speed, for which a conventional TDM or FTDM does notgive good identification results.

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版权说明:以下全部内容由孙利民上传于   2006年06月16日 18时13分20秒,版权归本人所有。

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