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文中详细介绍了用单纯形搜索法进行模型识别,特别是参数估计的原理,并以7N KOH溶液中Ag_2O电极的频率特性为例,对建模的实验设计、可能的模型结构分析、目标函数的计算、单纯形搜索法的程序编制以及模型结构和待估参数的确定,进行了详细具体的讨论。我们的工作表明:用单纯形搜索法进行电池(或电极过程)的模型识别是切实可行的,它为今后改进宇航用化学电源的性能和寿命,开发新的化学电源系列的研究,提供了有力的手段。
In this paper, the principle of simplex search method for model identification, especially parameter estimation is introduced in detail. Taking the frequency characteristics of Ag_2O electrode in 7N KOH solution as an example, the experimental design of model, possible model structure analysis, Calculation, simplex search method programming and model structure and the determination of the parameters to be estimated, a detailed discussion in detail. Our work shows that it is practicable to use the simplex method to model the battery (or electrode process) model, and it provides a powerful tool for further research on the performance and life expectancy of aerospace chemical power supplies and the development of new chemical power supply systems s method.