Guang Yang

Symmetric Soft Robot with Unassisted Bidirectional Locomotion Driven by Dielectric Elastomer MESA

Chaoqun Xiang, Shengyang Xi, Ye Chen, Yijing Niu et autres

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Neighbor-enhanced Graph Pre-training and Prompt Learning Framework for Fraud Detection

Ziyang Cheng, Jie Yang, Dawei Cheng, Guang Yang et autres

Nowadays, as more users turn to WeChat Pay and other e-commerce platforms for transactions, an increasing number of fraudsters are being attracted to these platforms to conduct fraudulent activities, thereby stealing money. To address this issue, Graph Neural Networks (GNNs) have been …

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Grad: Guided Relation Diffusion Generation for Graph Augmentation in Graph Fraud Detection

Jie Yang, Ziyang Cheng, Dawei Cheng, Guang Yang et autres

Nowadays, Graph Fraud Detection (GFD) in financial scenarios has become an urgent research topic to protect online payment security. However, as organized crime groups are becoming more professional in real-world scenarios, fraudsters are employing more sophisticated camouflage strategies. Specifically, fraudsters disguise themselves …

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A Novel Vibration-Based Method for Performance Degradation State identification of Linear Rolling Guide Under Variable Operating Conditions

Chang-Guang Zhou, W D Shen, Tieqiang Wang, Guang Yang et autres

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Development of Novel Star-Like Branched-Chain Acrylamide (AM)-Sodium Styrene Sulfonate (SSS) Copolymers for Heavy Oil Emulsion Viscosity Reduction and Its Potential Application in Enhanced Oil Recovery

Chunhua Zhao, Jian Zhang, Jianrong Lv, Bo Huang et autres

High Resolution Image Download MS PowerPoint Slide Injecting water with chemicals to generate emulsions in the reservoir is a promising method for enhancing heavy oil recovery because oil-in-water (O/W) emulsions significantly reduce oil viscosity. To enhance heavy oil recovery efficiency, we developed …

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Research on Magnetic Characteristics and Short-Circuit Force of 3D Wound Core Transformer

Li Teng, Huiqi Li, Guang Yang

Abstract The problem of eddy current loss in power transformers directly affects the technical economy of the transformer, which is a problem that cannot be ignored in the design and calculation of power transformers. Studying how to reduce the eddy current losses …

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Design of SLM automatic leveling powder laying mechanism and variable position powder laying movement strategy

Yongdi Zhang, Guang Yang, Haonan Wang

Additive Manufacturing technology has aroused widespread attention for free designing and rapid prototyping. Selective Laser Melting technology is one of the metal additive manufacturing technologies, and it has become an important choice for precision manufacturing of metal parts with high performance and …

The high precision control of the satellites formation for diffraction imaging

Guang Yang, Liang He, Ting Song, Binglei Sun et autres

To satisfy need of high resolution observation from space. This article elaborates a method of high precision spacecraft formation control based on file diffraction theory. Improving the spacecraft control accuracy to millimeter is a challenge. With the method in this article this …

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A New Thickener for CO2Anhydrous Fracturing Fluid

Jian Zhang, Bo Xiao, Guoxiang Zhang, Wenhao He et autres

CO2 dry fracturing technology is well-known for its advantages. Little water is used in this technology, which is able to ease the pressure of consumption on water resources. Many abroad theoretical researches, laboratory experiments and field tests have been taken to explore …

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CSVS Method for Spacecraft with Two Flexible Appendages during Attitude Maneuver

Guan Yu Wang, Wei Ping Ge, Guang Yang, Sheng Chao Wang

An angle maneuver control strategy of spacecraft with two flexible appendages based on component synthesis vibration suppression (CSVS) method is put forward. Unwanted flexible vibration modes can be eliminated while desired rigid motion can be achieved by this method. Jet device and …

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Dynamic modelling and observation of micro-vibrations generated by a Single Gimbal Control Moment Gyro

Qing Luo, Dongxu Li, Weiyong Zhou, Jianping Jiang et autres

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Time-delay feedback control in a delayed dynamical chaos system and its applications

Zhiyong Ye, Guang Yang, Deng Cun-bing

The feedback control of a delayed dynamical system, which also includes various chaotic systems with time delays, is investigated. On the basis of stability analysis of a nonautonomous system with delays, some simple yet less conservative criteria are obtained for feedback control …

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