Qiuyan Zhang

Title: Innovations of Qiuyan Zhang

Introduction

Qiuyan Zhang is a notable inventor based in Guiyang, China. She has made significant contributions to the field of electrical engineering, particularly in non-invasive load identification and electric vehicle charging state analysis. With a total of 2 patents, her work addresses practical challenges in energy management and efficiency.

Latest Patents

One of her latest patents is a "Non-invasive load identification method based on fingerprint characteristics of load power." This innovative method involves collecting Power Fingerprint characteristic data from various loads and utilizing a convolution neural network with an attention mechanism to learn load characteristics. The approach employs a sliding time window algorithm to detect load switching events, effectively converting the non-intrusive load identification problem into a single load identification challenge. This model can identify and separate unique load Power Fingerprint features, addressing the complexities of non-intrusive load identification in real-world scenarios.

Another significant patent is the "Charging state analysis method for electric vehicle based on electrical characteristic sequence analysis." This method outlines a systematic approach to analyze the charging state of electric vehicles by obtaining voltage and current sampling data during charging. It involves dividing the data into multiple sets, calculating electrical characteristic vectors, and generating an electrical characteristic sequence for the entire charging cycle. The results are then input into a trained TRNN to determine the charging state, indicating whether it is normal or abnormal.

Career Highlights

Qiuyan Zhang is currently employed at Guizhou Power Grid Company Limited, where she applies her expertise in electrical engineering to enhance energy solutions. Her innovative work has positioned her as a key figure in her field, contributing to advancements in energy efficiency and management.

Collaborations

She collaborates with notable colleagues, including Zhukui Tan and Bin Liu, who share her commitment to innovation in electrical engineering.

Conclusion

Qiuyan Zhang's contributions to the field of electrical engineering through her patents and work at Guizhou Power Grid Company Limited highlight her role as a leading inventor. Her innovative methods for load identification and electric vehicle charging analysis are paving the way for advancements in energy management.