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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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基于协方差指标的火电机组负荷控制系统性能评价
, PP. 56-61
Keywords: 火电机组,负荷控制系统,性能评价,协方差指标,多变量,数据驱动
Abstract:
提出了一种基于多变量数据驱动技术的火电机组负荷控制系统性能评价方法。该方法采用基于历史数据的协方差指标，将过程输出数据的协方差矩阵作为评价函数，通过计算基准数据与监测数据的评价函数比值，得到控制系统性能评价的指标值。同时，通过特征值分析将协方差指标的计算转化为输出矩阵的广义特征值乘积，利用统计推断理论使由部分样本数据计算的指标值更符合控制系统的总体特征。应用matlab图形用户界面工具gui设计基于协方差指标的火电机组负荷控制系统性能评价仿真界面，采用模型仿真数据及工业现场数据进行机组负荷控制系统的性能评价，结果表明基于协方差指标的性能评价方法合理、有效。
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