STAGE-DISCHARGE MODELING USING SUPPORT VECTOR MACHINES

  • سال انتشار: 1390
  • محل انتشار: ماهنامه بین المللی مهندسی، دوره: 25، شماره: 1
  • کد COI اختصاصی: JR_IJE-25-1_010
  • زبان مقاله: انگلیسی
  • تعداد مشاهده: 718
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نویسندگان

a Goel

Corresponding Author Department of Civil Engineering, National Institute of Technology, Kurukshetra, ۱۳۶۱۱۹,Haryana (India), Fax: +۹۱۱۷۴۴۲۳۸۰۵۰

m Pal

Department of Civil Engineering, National Institute of Technology, Kurukshetra, ۱۳۶۱۱۹,Haryana (India), Fax: +۹۱۱۷۴۴۲۳۸۰۵۰

چکیده

Establishment of rating curves are often required by the hydrologists for flow estimates in the streams, rivers etc. Measurement of discharge in a river is a time-consuming, expensive, anddifficult process, and the conventional approach of regression analysis of stage-discharge relation does not provide encouraging results especially during the floods. Present study is aimed at the application of support vector machines (SVMs) based algorithm for modelling stage-dischargerelation including the hysteresis effect. A data set of two discharge-measuring stations located on two Indian rivers has been used for analysis in the present study. A back propagation neural network model was employed in order to compare the performance of the results based on support vectormachines based modelling technique. The outcome of the study suggests that the support vectormachines works well for both the data sets and produce promising results in comparison to the neural network technique. Finally, the results also suggest the suitability of SVMs algorithm in predicting the looped rating curve having hysteresis effect

کلیدواژه ها

Rating curve; Hysteresis modelling; Neural network; Support vector machines

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