A safe and dependable supply of energy and power is directly correlated with the quality of distribution network engineering.The assessment and diagnosis of the design quality and economic viability of a distribution ...A safe and dependable supply of energy and power is directly correlated with the quality of distribution network engineering.The assessment and diagnosis of the design quality and economic viability of a distribution network engineering process are essential for guaranteeing the steady functioning of the corresponding power system.In this paper,an intelligent assisted assessment technique for distribution network engineering is proposed to address the issues of inefficiency,high manual dependence,and low utilization of vital information in the text during the eval-uation of projects related to distribution network engi-neering.To improve the model’s contextual learning ability,the robustly optimized bidirectional encoder representa-tions from transformers pretraining approach and whole-word masking are adopted to extract useful features from the distribution network engineering project review text.Principal component analysis is then used to downscale the high-dimensional features,thereby greatly increasing the efficiency of downstream classification.The light gradient boosting machine performs classification on the downscaled text features,and the Bayesian optimiza-tion approach is utilized to identify the best hyperparame-ter combinations.This significantly lessens the impacts of random parameters on the model performance.Tenfold cross-validation results demonstrate that the model can quickly and accurately identify common problems in dis-tribution network projects’technical and economic di-mensions.展开更多
基金supported by the Project of the National Social Science Fund of China(No.19BGL003).
文摘A safe and dependable supply of energy and power is directly correlated with the quality of distribution network engineering.The assessment and diagnosis of the design quality and economic viability of a distribution network engineering process are essential for guaranteeing the steady functioning of the corresponding power system.In this paper,an intelligent assisted assessment technique for distribution network engineering is proposed to address the issues of inefficiency,high manual dependence,and low utilization of vital information in the text during the eval-uation of projects related to distribution network engi-neering.To improve the model’s contextual learning ability,the robustly optimized bidirectional encoder representa-tions from transformers pretraining approach and whole-word masking are adopted to extract useful features from the distribution network engineering project review text.Principal component analysis is then used to downscale the high-dimensional features,thereby greatly increasing the efficiency of downstream classification.The light gradient boosting machine performs classification on the downscaled text features,and the Bayesian optimiza-tion approach is utilized to identify the best hyperparame-ter combinations.This significantly lessens the impacts of random parameters on the model performance.Tenfold cross-validation results demonstrate that the model can quickly and accurately identify common problems in dis-tribution network projects’technical and economic di-mensions.
