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本文介绍了通过态密度峰值寻找动态PCT曲线反应平台压的基本原理,结合MATLAB软件提供的功能函数和M语言自身特点,提出了一套针对常见静态PCT曲线自动获取反应平台压的方法,并在此基础上实现了合金吸放氢热力学参数的计算及最终PCT曲线和Van’t Hoff曲线数据图的自动输出。研究结果表明:MATLAB软件功能强大,方便快捷,通过简单的M语言编程和软件操作可以完成合金吸放氢热力学参数测试分析涉及的数据处理工作。
In this paper, we introduce the principle of searching for dynamic PCT curve reaction platform pressure based on the peak value of density of states. Combining with the function provided by MATLAB software and the characteristics of M language, a set of method for automatically obtaining reaction platform pressure for common static PCT curve is presented. On this basis, the calculation of the thermodynamic parameters of hydrogen absorption and desorption of alloy and the automatic output of the final PCT curve and the Van’t Hoff curve data are realized. The results show that the MATLAB software is powerful, convenient and fast, and the data processing involved in testing and analyzing thermophysical parameters of hydrogen absorption and desorption can be accomplished through simple M language programming and software operation.