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Revisiting the importance of appropriate parameter estimation based on sensitivity analysis for developing kinetic models

机译:基于开发动力学模型的灵敏度分析,重新探讨适当参数估计的重要性

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摘要

A methodology for estimating kinetic parameters based on sensitivity analysis is discussed. The method includes three main steps: initialization of parameter values, non-linear parameter estimation, and sensitivity analysis. Experimental data of two cases were taken from the literature (hydrotreating of vegetable oil and hydrocracking of heavy oil), whereby a comparison of reported values of kinetic parameters with those optimized with the proposed approach is performed. It was demonstrated that using the sensitivity analysis based methodology assures proper estimation of kinetic parameters and convergence to the global minimum of the objective function.
机译:讨论了一种基于灵敏度分析的动力学参数的方法。该方法包括三个主要步骤:参数值,非线性参数估计和灵敏度分析的初始化。从文献中取出两种情况的实验数据(植物油和重油加氢裂化的加氢处理),从而进行了与所提出的方法优化的动力学参数值的比较。据证明,使用基于灵敏度分析的方法可以确保适当地估计动力学参数和对目标函数的全局最小值的收敛性。

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