A5053681430- Physics of Superconductivity and Magnetism
- Superconducting Materials and Applications
- Magnetic and transport properties of perovskites and related materials
- Frequency Control in Power Systems
- HVDC Systems and Fault Protection
- Energy Harvesting in Wireless Networks
- Wireless Power Transfer Systems
- Catalytic Processes in Materials Science
- Electrical Fault Detection and Protection
- Ammonia Synthesis and Nitrogen Reduction
- Gastrointestinal disorders and treatments
- Gastrointestinal Bleeding Diagnosis and Treatment
- Magnetic Properties and Applications
- Internet Traffic Analysis and Secure E-voting
- Superconductivity in MgB2 and Alloys
- Wind Turbine Control Systems
- Magnetic properties of thin films
- Magnetic Bearings and Levitation Dynamics
- Silicon and Solar Cell Technologies
- Electric Motor Design and Analysis
- Non-Destructive Testing Techniques
- Vacuum and Plasma Arcs
- Microgrid Control and Optimization
- Spacecraft and Cryogenic Technologies
- Magnetic confinement fusion research
Hunan University
2017-2025
Institute of Electrical Engineering
2023-2025
Chinese Academy of Sciences
2004-2025
Anhui Agricultural University
2024
University of Jinan
2023-2024
Zhejiang University
2024
Robert Bosch (Germany)
2024
Sinopec (China)
2020-2022
Xi’an University of Posts and Telecommunications
2019
Xi’an Jiaotong-Liverpool University
2018
Text classification refers to the process of automatically determining text categories based on content in a given system. mainly includes several steps such as word segmentation, feature selection, weight calculation and performance evaluation. Among them, selection is key step classification, which affects accuracy. Feature can help indicate relevance contents better classify text. Meanwhile has great influence result. very important module processing, it widely applied areas like spam...
Abstract High magnetic fields play a critical role in the development of modern science and technology, breeding many significant scientific discoveries boosting generation new technologies. In last few years, China has undertaken great deal work on application ultra-high-field (UHF) superconducting magnet such as for Synergetic Extreme Condition User Facility Beijing, UHF nuclear resonance/magnetic resonance imaging, fusion energy, particle accelerator, so on. This paper reports research...
Data-driven intelligent diagnosis methods require sufficient labeled data during training, which are usually limited in practice. A semisupervised conditional random field-based graph attention network (CRF-GAT) algorithm is proposed this article for fault and condition monitoring. The method combines the advantages of CRF GAT, therefore, it achieves by modeling label dependency learning object representations. scheme optimized with variational expectation–maximization (EM) algorithm....
Functionalizing glass with optically active quantum dots has shown great potential in near-infrared bioimaging and optical communication. However, the size distribution of is hard to control by traditional quenching method due extremely high processing temperature (∼1300 °C), resulting unexpected transmission loss luminescent embedded a composite. Herein, we developed nanoconfined synthesis lead sulfide (PbS) mesoporous aluminosilicate matrix at relatively low 600 °C adjustable broadband...
// Zhengjiang Qian 1, 2 , Limin Zhang 1 Jidong Chen Yanjiao Li Kang 3 Junle Qu Zhiwei Wang Yujia Zhai Deming Gou Shenzhen Key Laboratory of Microbial Genetic Engineering, College Life Sciences and Oceanography, University, Shenzhen, Guangdong, 518060, China Optoelectronic Devices Systems Ministry Education, Department Biochemistry Molecular Biology, School Basic Medical Sciences, 518000, Correspondence to: Gou, email: dmgou@szu.edu.cn Keywords: miR-328, PASMCs, PDGF pathway, PIM-1 Received:...
The linear-motor type flux pump is a wireless DC power source for high-temperature superconducting coils, which compact in size, efficient energy use, fast output control, etc. It consists of three major parts: windings, phase windings and iron circuit, generates DC-bias AC travelling wave its airgap. In theory, there are controllable parameters such as field, amplitude the wave, field frequency (travelling speed). By changing those parameters, we change applied fields current into coils....
Superconducting flux pump is a wireless charging technique utilizing electromagnetic induction law for exciting the superconducting magnet by pumping magnetic into closed-loop circuit without any electrical contact in order to compensate current attenuation and ensure stability of field. The contactless not only charges magnet, but also quantitatively compensates decay which makes it possible coils work persistent mode. This method magnetizing can effectively reduce losses heat losses,...
High temperature superconducting (HTS) coated conductor (CC) coils capable of carrying high current and extremely low resistance could be introduced into the wireless power transfer (WPT) devices tno improve transmission efficiency power. In this paper, A Novel Multi-Module HTS Suspension Power Supply System has been constructed to achieve both WPT suspension functions. One bulk four permanent magnets are installed in transmitting module receiving system execute stable by utilizing strong...
This paper presents the design of an HTS magnet for ultra compact MRI system, potentially rapid and early diagnosis brain trauma. Early therapy stratification can reduce risk critically ill patients with use near patient imaging, aid precision medicine. High temperature superconductors (HTS) have ability to carry large currents in cryogen free contrition, which make system even smaller lighter. The Genetic Algorithm (GA) optimization were based on FEM package COMSOL Multiphysics LiveLink...
In this paper, Pt thin film was prepared as thermal resistor in bolometer. The measurements showed that the vacuum annealing proved to be an effect method gain good resistance-temperature properties. temperature coefficient of resistance (TCR) 1.28KΩ can improved by achieve 1.737‰/K.What is obtained experiment values TCR will affected not only parameters, but also thickness used, films with 100 nm 2.3‰/K, while 17 get 1.1‰/K.
This article presents a simplified mathematical model the anisotropic magnetic field dependence (AMFD) for simulating High-temperature superconducting (HTS) Conductor on Round Core (CORC) Cables. All these simulations of HTS CORC Cable were performed based finite-element method (FEM) <italic xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">H</i> -formulation merged into numerical platform COMSOL Multi-physics. The AMFD was implemented both 2D and 3D...
High magnetic field can be trapped in a bulk type-II superconductor through different magnetization methods. In our fully high-temperature superconducting (HTS) synchronous motor, the pulsed (PFM) method is adopted due to its reduced cost, feasibility, and adaptability on assembling of HTS motor system. The rotor was designed with 75 YBCO bulks mounted surface make two pairs poles after PFM. this paper, we give PFM circuit used generate about 1.5 T at center magnetizing coil lasting less...
The HTSConductor on Round Core (CORC) Cables have been widely recognized as the proper candidate for superconducting applications such high-field magnets and power transmission cables. This article presents modeling of HTS CORC cables using FEM H-formulation model merged into package COMSOL Multi-physics. 2D 3D models were compared analyzed. There two important parameters in our design: (1) gap angle between tapes a single layer, and, (2) degree twist (normally identified pitch). has much...
High-temperature superconducting flux pumps usually need to work in a liquid nitrogen immersion environment, which limits their practical high-field magnet applications. In this paper, China's first conduction-coolled high-temperature pump with rotating structure is developed, and non-insulated (NI) coil considerable inductance has been successfully excited. The vacuum dynamic sealing technology used isolate the motor drive leads from low-temperature dewar, ultimately minimize thermal load...
As the output power of wind farm is fluctuating, it one important ways to improve schedule ability generation predict farm. The operation mode tracking planned takes value issued by grid dispatching as control basis generation. This easy control, which not only meets needs dispatching, but also improves reliability and controllability new energy paper introduces traditional PI strategy SMES combines advantages characteristics application scenarios, sliding variable structure into SMES....
In this paper, we provide a thorough study on the penetration of 2-in diameter YBCO thin film with help travelling magnetic wave. The wave is generated by circular-type flux pump device, which comprises three phase windings and dc coils. We used one single hall sensor to measure density 1.5 mm axially above center sample. results show that presence sample had amplified field two times in center. After placing at r = 10 mm, found been decreased order clarify whether bended or if there an...
As a very useful imaging tool in preclinical research, the high-field animal magnetic resonance (MRI) is capable of acquiring high-resolution anatomical/structural image and also accurate functional information. A 400 mm large-bore superconducting magnet for MRI was designed this work. The design adopted supplementing field strategy with preset primary coils. compensating shielding coils were optimized simultaneously to achieve homogeneous space confine stray designated extent. three-step...
This paper presents the loss analysis on saturated iron-core superconducting fault current limiter (SISFCL) for a VSC-HVDC transmission system. The numerical model of SISFCL as well its calculation parts were carried out by finite-element method (FEM) using H-formulation merged into commercial package COMSOL. was established practical ±10 kV system, and situation simulated PSCAD with SISFCL. capability limiting verified electromagnetic characteristics, corresponding patterns magnetic field...