基于改进型相似性建模的光伏积灰监测方法

王中豪,徐正国,章筠

Improved similarity-based modeling approach for dust deposition monitoring of photovoltaic modules

Zhong-hao WANG,Zheng-guo XU,Yun ZHANG

表 3 积灰诊断结果评价

Tab.3 Evaluation of dust diagnostic results

方法 训练数据占比/% MSE/10−5 MRE/10−4 RMSE/10−2 NMSE NMAE R2 理论公式法 — 79.241 4.812 8.902 84.112 −83.112 −83.112 FNN 40 1.237 0.653 1.112 1.313 0.242 −0.313 FNN 60 1.102 0.683 1.050 1.170 0.240 −0.170 FNN 80 0.992 0.658 0.996 1.053 0.217 −0.053 SVR 40 0.992 0.617 0.996 1.053 0.215 −0.053 SVR 60 0.911 0.549 0.954 0.966 0.200 0.034 SVR 80 0.839 0.568 0.916 0.890 0.197 0.110 RF 40 1.125 0.669 1.061 1.194 0.232 −0.194 RF 60 1.102 0.577 1.050 1.170 0.236 −0.170 RF 80 0.880 0.485 0.938 0.934 0.200 0.066 原始SBM — 1.735 0.550 1.324 1.861 0.266 −0.861 改进型SBM — 0.412 0.339 0.642 0.437 0.130 0.053