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Optimal experimental design for linear time invariant state-space models

机译:线性时间不变状态空间模型的最佳实验设计

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The linear time invariant state–space model representation is common to systems from several areas ranging from engineering to biochemistry. We address the problem of systematic optimal experimental design for this class of model. We consider two distinct scenarios: (i) steady-state model representations and (ii) dynamic models described by discrete-time representations. We use our approach to construct locally D-optimal designs by incorporating the calculation of the determinant of the Fisher Information Matrix and the parametric sensitivity computation in a Nonlinear Programming formulation. A global optimization solver handles the resulting numerical problem. The Fisher Information Matrix at convergence is used to determine model identifiability. We apply the methodology proposed to find approximate and exact optimal experimental designs for static and dynamic experiments for models representing a biochemical reaction network where the experimental purpose is to estimate kinetic constants.
机译:线性时间不变状态空间模型表示对于来自工程到生物化学的几个区域的系统是共同的。我们解决了这类模型系统最优实验设计问题。我们考虑了两个不同的情景:(i)通过离散时间表示描述的稳态模型表示和(ii)动态模型。我们利用我们在非线性编程配方中结合了FISHER信息矩阵的确定性和参数敏感性计算来构造本地D-OPTEMAL设计的方法。全局优化求解器处理产生的数值问题。收敛处的Fisher信息矩阵用于确定模型可识别性。我们应用提出的方法,以查找近似和精确的最佳实验设计,用于代表实验目的是估计动力学常数的生物化学反应网络的模型的静态和动态实验。

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