Resolving conflicting parameter estimates in multivariate population balance models

Resolving conflicting parameter estimates in multivariate population balance models
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解决多元总体平衡模型中相互矛盾的参数估计

DOI:
10.1016/j.ces.2010.03.042
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发表时间:
2010
影响因子:
4.7
通讯作者:
Man P
Man P
中科院分区:
工程技术2区
文献类型:
--
作者:
Man P

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We present an extended methodology for parametric inference in complex population balance models. The aim is twofold. Firstly, it is assumed that the parameter distribution of the model is a multimodal Gaussian rather than a unimodal Gaussian. After projection of experimental data through a response surface approximation, estimates for the parameters and their uncertainties along with the associated weights of each mode are established. Secondly, the methodology is used to ask the following question—if n professors each have a ‘best’ estimate of a particular parameter, which of these estimates is more likely to be correct? A toy example is used to show the applicability of the methodology, aiding in the discrimination between a bimodal and trimodal parameter distribution. The identification of the ‘best’ model parameter among two conflicting estimates is demonstrated in an example from granulation modelling.
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