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基于块脉冲函数运算矩阵的分数阶系统辨识

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摘要 本文采用了一种新的方法对单输入单输出线性时不变分数阶系统进行参数辨识。首先推导块脉冲基函数的运算矩阵然后利用该矩阵将分数阶微分运算转换成代数运算。该方法可以同时辨识分数阶系统的系数和任意阶的阶次,而且还可以大大减少辨识过程中分数阶运算带来的巨大计算量。为了证明该方法的有效性,本文引入实例进行验证,仿真结果显示了该方法的有效性和准确性。
作者 陆瑶
出处 《科学技术创新》 2017年第29期64-65,共2页 Scientific and Technological Innovation
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