Multiple Solutions and Plateau Phenomenon in Measurement-Based Load Model Development: Issues and Suggestions
Multiple Solutions and Plateau Phenomenon in Measurement-Based Load Model Development: Issues and Suggestions
复制标题
基于测量的负荷模型开发中的多种解决方案和平台现象：问题和建议
DOI：
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发表时间：
2009
影响因子：
6.6
通讯作者：
H. Chiang
中科院分区：
文献类型：
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作者：
Byoung;H. Chiang
在基于测量的方法中，给定负载模型结构，其参数值是使用实际测量得出的。当参数估计任务被表述为非线性最小二乘问题时，参数估计中可能会出现多个局部最优解的问题。在本文中，详细解决了开发负荷模型时的多个局部最优解问题和平台现象，并将其与局部可识别性问题联系起来。演示了估计多个静态、动态和复合负载模型的参数值时的多个局部最优解的示例。为了解决所获得的局部最优解的局部可辨识性，分析了输出灵敏度和参数之间的相关性。最后，提出了解决这些问题的几点建议。
In the measurement-based approach, given a load model structure, its parameter values are derived using actual measurements. The issue of multiple local optimal solutions may arise in parameter estimation when the parameter estimation task is formulated as a nonlinear least squares problem. In this paper, the multiple local optimal solutions issue and a plateau phenomenon in developing load models are addressed in detail and linked to the local identifiability problem. Examples of multiple local optimal solutions in estimating parameter values of several static, dynamic and composite load models are demonstrated. In order to address the local identifiability at an obtained local optimal solution, output sensitivity and correlation between parameters are analyzed. Finally, several suggestions are proposed to resolve these issues.
影响因子：
6.6
作者：
Burth, M;Verghese, GC;Vélez-Reyes, M
通讯作者：
Vélez-Reyes, M
影响因子：
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作者：
JACQUEZ, JA;PERRY, T
通讯作者：
PERRY, T