东南大学能源热转换及其过程测控教育部重点实验室,南京,210096
网络首发:2013-07-10,
纸质出版:2013
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仲兆平, 严青, 邓学群, 等. 采用非线性粒子群算法的同步糖化发酵参数辨识[J]. 西安交通大学学报, 2013,47(7):124-128.
Parameter Identification of SSF Process with Non-Linear Adaptive PSO Algorithm[J]. 2013, 47(7): 124-128.
仲兆平, 严青, 邓学群, 等. 采用非线性粒子群算法的同步糖化发酵参数辨识[J]. 西安交通大学学报, 2013,47(7):124-128. DOI: 10.7652/xjtuxb201307023.
Parameter Identification of SSF Process with Non-Linear Adaptive PSO Algorithm[J]. 2013, 47(7): 124-128. DOI: 10.7652/xjtuxb201307023.
为进一步优化同步糖化发酵(SSF)工艺
在经典发酵动力学的基础上
总结出SSF工艺中的还原糖变化方程
并采用自适应粒子群优化(PSO)算法进行菌体生长、产物生成以及还原糖消耗的模型参数辨识。通过比较分析线性和非线性动态变化惯性权重的自适应PSO算法在动力学参数辨识过程中的优劣
确定了非线性方法的快速收敛特性。结果表明:模型的拟合值与实验数据比较接近
即利用这些模型来反映此SSF过程的机理具有一定的准确性和可靠性; 通过非线性动态变化惯性权重的自适应PSO算法进行参数辨识具有一定的可行性和推广性
也为模型参数辨识提供了一种新思路。
To further optimize the simultaneous saccharification and fermentation(SSF)process
the adaptive particle swarm optimization(PSO)algorithm was applied to the parameter identification for the dynamic models of cell growth
product synthesis and sugar consumption. The model equation of reducing sugar consumption was presented based on the kinetics of fermentation. The adaptive PSO algorithm with non-linear changed inertia weight was found to be more effective in convergence compared with the linear method. The results show that the values simulated fit the experimental data well
indicating specific accuracy and feasibility of the employed models in reflecting the mechanisms of the SSF technology. It appears that the present adaptive PSO method with non-linear changed inertia weight may effectively be used in the model parameter estimation.
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