• a ga-based numerical technique for hpgr model fitting and simulation

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1389/07/20
    • تاریخ انتشار در تی پی بین: 1389/07/20
    • تعداد بازدید: 696
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     modeling and simulation of comminution circuits are widely used by engineers to design and optimize mineral processing operations. in this study, implementation of a hpgr model in matlab environment was investigated. this program was also validated by using laboratory and pilot scale hpgr data sets. the genetic algorithm (ga) search toolbox of matlab was used for validation and calculation of model parameters. these calculated parameters were considered constant for feed and the hpgr unit under study. then, operating conditions including roll pressure and speed, roll’s gap and flake density were changed. afterward, above-mentioned parameters were used for predicting the product size distribution. the final results demonstrate that ga can be used successfully to search and find the best values of hpgr model parameters. also, the close agreement between measured and predicted product size distributions confirms the accuracy of the implemented model and the correctness of the programmed computational procedures in matlab environment.

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