22 Result(s)

Chapter and Conference Paper

Influence of Operating Environment on the Aging Characteristics of Composite Insulators

Composite insulators are widely used in power transmission lines due to the excellent electrical properties. However, the aging effect of composite insulators can be observed after a long-term operation under ...

Dong Yang, Chengjun Xu, Jian Zhang… in The Proceedings of 2023 4th International … (2024)

Article

Electro-chemo-mechanical analysis of the effect of bending deformation on the interface of flexible solid-state battery

Flexible solid-state battery has several unique characteristics including high flexibility, easy portability, and high safety, which may have broad application prospects in new technology products such as roll...

Yutao Shi, Chengjun Xu, Bingbing Chen, Jianqiu Zhou… in Applied Mathematics and Mechanics (2023)

Article

Educational Data Mining: Dropout Prediction in XuetangX MOOCs

With the rapid development of educational data mining and learning analytics, this study tries to make sense of education data and improve teachers’ competence and teaching experience. In recent years, massive...

Chengjun Xu, Guobin Zhu, Jian Ye, **gqian Shu in Neural Processing Letters (2022)

Chapter and Conference Paper

Blind Perceptual Quality Assessment for Single Image Motion Deblurring

Single image deblurring is a typical ill-posed problem. Although a lot of effective algorithms have been proposed, there is a lack of blind evaluation metrics for the perceptual quality of deblurred images. In...

CongLi Li, Chao Xu, ChaoYi Chen, ChengJun Xu, Zhe Wei in Biometric Recognition (2022)

Article

Intelligent manufacturing Lie Group Machine Learning: real-time and efficient inspection system based on fog computing

Due to the improvement of network infrastructure and the application of Internet of Things equipment, a large number of sensors are deployed in the industrial pipeline production, and the large size of data is...

Chengjun Xu, Guobin Zhu in Journal of Intelligent Manufacturing (2021)

Article

Semi-supervised Learning Algorithm Based on Linear Lie Group for Imbalanced Multi-class Classification

In practical application, the data are imbalanced, it is difficult to find the balanced, rather skewed data is the common occurrence. This poses a severe challenge to the classification algorithm. At present, ...

Chengjun Xu, Guobin Zhu in Neural Processing Letters (2020)

Article

Theoretical analysis of the mechanical behavior in Li–ion battery cylindrical electrodes with phase transformation

Diffusion-induced stress caused by the insertion and extraction of lithium ions can result in the swelling, fracture, and even pulverization of the battery electrodes. However, only a few previous studies cons...

Li Weng, Chengjun Xu, Bingbing Chen, Jianqiu Zhou, Rui Cai, Fei Wang in Acta Mechanica (2020)

Article

Group VB transition metal dichalcogenides for oxygen reduction reaction and strain-enhanced activity governed by p-orbital electrons of chalcogen

Develo** alternative oxygen reduction reaction (ORR) catalysts to replace precious Pt-based metals with abundant materials is the key challenge of commercial application of fuel cells. Owing to their various...

Shuyang Zhao, Ke Wang, **aolong Zou, Lin Gan, Hongda Du, Chengjun Xu… in Nano Research (2019)

Article

Aqueous V₂O₅/activated carbon zinc-ion hybrid capacitors with high energy density and excellent cycling stability

Hybrid metal-ion capacitors are designed to promote the energy density of supercapacitors with less sacrifice of power density. Zinc-ion hybrid supercapacitor, based on the multivalent ion storage principle, i...

**npei Ma, **jie Wang, **anli Wang… in Journal of Materials Science: Materials in… (2019)

Chapter and Conference Paper

Neural Network Based Electronics Segmentation

Senwei Ma, **aoyuan Fan, Lei Wang, Jun Cheng… in Intelligent Robotics and Applications (2019)

Article

Comprehensive approaches to three-dimensional flexible supercapacitor electrodes based on MnO₂/carbon nanotube/activated carbon fiber felt

With the fast development of portable and wearable devices, flexible supercapacitor electrodes are widely researched. Here, comprehensive approaches were designed to introduce carbon nanotube (CNT) and/or MnO₂ in...

**gwen Zhang, Liubing Dong, Chengjun Xu, Jianwu Hao… in Journal of Materials Science (2017)

Article

Inorganic-based sol–gel synthesis of nano-structured LiFePO₄/C composite materials for lithium ion batteries

An inorganic and non-toxic compounds combination of FeCl₂·4H₂O, Li₂CO₃ and H₃PO₄ was chosen to synthesize homogeneous nano-structured LiFePO₄/C composite material via a simplified sol–gel route. The dependency of...

Jun Ma, Baohua Li, Hongda Du, Chengjun Xu… in Journal of Solid State Electrochemistry (2012)