In this paper, optimization of phase change parameter and hardening parameter of closed hierarchical single surface model is studied.

对封闭型分级单屈服面模型参数中的阶段改变参数和硬化参数的优化进行了研究。

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In this paper the hierarchical optimization of a nonlinear dynamical input-output model with time delays is studied.

本文研究多年延滞非线性动态投入产出模型的递阶优化问题。

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The model composition was given out, and the effect of the sequence of hierarchical multistage fusion and partial fusion on integrated estimation as well as the optimization were discussed.

给出了模型的构成，并讨论了分层多级融合顺序与部分融合对全局估计的影响及其优化。

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