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State estimation of power systems with automatic differentiation technology
Author(s): 
Pages: 91-95,100
Year: Issue:  17
Journal: Relay

Abstract: 在常规状态估计模型的基础上,结合自动微分(Automatic Differentiation,AD)技术讨论了一种应用AD技术的状态估计算法.该算法将AD技术分别应用于加权最小二乘状态估计和非线性加权最小二乘状态估计中,利用AD自动生成量测函数的雅克比矩阵和海森矩阵.与传统的手工推导微分解析表达式再编写相应的微分代码方法相比,该方法有效避免了截断误差,显著提高了计算效率.结合IEEE 三个标准算例...
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