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电网技术  2012 

一种求解状态估计问题的内点半定规划法

, PP. 209-215

Keywords: 状态估计,半定规划,全局最优解,内点法

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Abstract:

为更好地进行状态估计,提出了基于内点半定规划求解状态估计问题全局最优解的方法。该方法基于求解状态估计常用的加权最小二乘模型,通过引入辅助变量,将非凸估计问题等价转化为半定规划问题,然后应用原始–对偶内点法求解。根据状态估计半定规划模型的特点,采用基于半定规划的稀疏技术,提高存储效率和计算性能。算例结果验证了该方法的有效性。

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