Search Results - "Yi, Zheyuan"

Modeling and Evaluation of Ferrite Eddy Losses in High-Frequency Transformers Based on Loss-Effective Conductivity Extraction by Yi, Zheyuan, Sun, Kai, Liu, Hanyu, Zhang, Quanliang

“…The eddy effects of Mn Zn ferrites in high-frequency transformers become obvious and cause significant losses when the frequency becomes high. These eddy…”
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Design and Optimization of the Insulation of Medium-Voltage Medium-Frequency Transformers for Solid-State Transformers by Yi, Zheyuan, Sun, Kai, Liu, Hanyu, Cao, Guoen, Lu, Shilei

“…Solid-state transformers (SSTs) can be applied in the ac/dc hybrid distribution network. The reliability and power density of a solid-state transformer is…”
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Joint denoising of diffusion‐weighted images via structured low‐rank patch matrix approximation by Zhao, Yujiao, Yi, Zheyuan, Xiao, Linfang, Lau, Vick, Liu, Yilong, Zhang, Zhe, Guo, Hua, Leong, Alex T., Wu, Ed X.

“…Purpose To develop a joint denoising method that effectively exploits natural information redundancy in MR DWIs via low‐rank patch matrix approximation…”
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Partial Fourier reconstruction of complex MR images using complex‐valued convolutional neural networks by Xiao, Linfang, Liu, Yilong, Yi, Zheyuan, Zhao, Yujiao, Xie, Linshan, Cao, Peibei, Leong, Alex T. L., Wu, Ed X.

“…Purpose To provide a complex‐valued deep learning approach for partial Fourier (PF) reconstruction of complex MR images. Methods Conventional PF reconstruction…”
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Fast and Calibrationless Low-Rank Parallel Imaging Reconstruction through Unrolled Deep Learning Estimation of Multi-Channel Spatial Support Maps by Yi, Zheyuan, Hu, Jiahao, Zhao, Yujiao, Xiao, Linfang, Liu, Yilong, Leong, Alex T.L., Chen, Fei, Wu, Ed X.

“…Low-rank technique has emerged as a powerful calibrationless alternative for parallel magnetic resonance (MR) imaging. Calibrationless low-rank reconstruction,…”
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Parallel imaging reconstruction using spatial nulling maps by Hu, Jiahao, Yi, Zheyuan, Zhao, Yujiao, Zhang, Junhao, Xiao, Linfang, Man, Christopher, Lau, Vick, Leong, Alex T. L., Chen, Fei, Wu, Ed X.

“…Purpose To develop a robust parallel imaging reconstruction method using spatial nulling maps (SNMs). Methods Parallel reconstruction using null operations…”
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Joint calibrationless reconstruction of highly undersampled multicontrast MR datasets using a low‐rank Hankel tensor completion framework by Yi, Zheyuan, Liu, Yilong, Zhao, Yujiao, Xiao, Linfang, Leong, Alex T. L., Feng, Yanqiu, Chen, Fei, Wu, Ed X.

“…Purpose To jointly reconstruct highly undersampled multicontrast two‐dimensional (2D) datasets through a low‐rank Hankel tensor completion framework. Methods A…”
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Calibrationless parallel imaging reconstruction for multislice MR data using low‐rank tensor completion by Liu, Yilong, Yi, Zheyuan, Zhao, Yujiao, Chen, Fei, Feng, Yanqiu, Guo, Hua, Leong, Alex T. L., Wu, Ed X.

“…Purpose To provide joint calibrationless parallel imaging reconstruction of highly accelerated multislice 2D MR k‐space data. Methods Adjacent image slices in…”
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Calibrationless reconstruction of uniformly‐undersampled multi‐channel MR data with deep learning estimated ESPIRiT maps by Zhang, Junhao, Yi, Zheyuan, Zhao, Yujiao, Xiao, Linfang, Hu, Jiahao, Man, Christopher, Lau, Vick, Su, Shi, Chen, Fei, Leong, Alex T. L., Wu, Ed X.

“…Purpose To develop a truly calibrationless reconstruction method that derives An Eigenvalue Approach to Autocalibrating Parallel MRI (ESPIRiT) maps from…”
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Calibrationless multi‐slice Cartesian MRI via orthogonally alternating phase encoding direction and joint low‐rank tensor completion by Zhao, Yujiao, Yi, Zheyuan, Liu, Yilong, Chen, Fei, Xiao, Linfang, Leong, Alex T. L., Wu, Ed X.

“…We propose a multi‐slice acquisition with orthogonally alternating phase encoding (PE) direction and subsequent joint calibrationless reconstruction for…”
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A Simple Power Loss Evaluation Method for High-Frequency Transformers Based on Surface Temperature Measurement Within Wide Operation Range by Yi, Zheyuan, Liu, Zengyang, Sun, Kai, Su, Bowen

“…Power loss measurement and evaluation form the foundation of loss modeling and optimization. This paper proposes a method for evaluating power loss in…”
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Hydrogel-Based Fluorescent Dual pH and Oxygen Sensors Loaded in 96-Well Plates for High-Throughput Cell Metabolism Studies by Wu, Shanshan, Wu, Siying, Yi, Zheyuan, Zeng, Fei, Wu, Weizhen, Qiao, Yuan, Zhao, Xingzhong, Cheng, Xing, Tian, Yanqing

“…In this study, we developed fluorescent dual pH and oxygen sensors loaded in multi-well plates for in-situ and high-throughput monitoring of oxygen respiration…”
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PEC‐GRAPPA reconstruction of simultaneous multislice EPI with slice‐dependent 2D Nyquist ghost correction by Liu, Yilong, Lyu, Mengye, Barth, Markus, Yi, Zheyuan, Leong, Alex T. L., Chen, Fei, Feng, Yanqiu, Wu, Ed X.

“…Purpose To provide simultaneous multislice (SMS) EPI reconstruction with k‐space implementation and robust Nyquist ghost correction. Methods 2D phase error…”
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Analysis and enhancement of high voltage insulation for planar transformer by Liu, Hanyu, Sun, Kai, Cao, Guoen, Yi, Zheyuan

“…The planar transformers can be integrated into the isolated DC-DC converters with high manufacturability. To ensure safe operation over the medium voltage…”
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Modeling and Design of High-Frequency Magnetic Components with Large Air Gaps for Electric Vehicle Charger Application by Yi, Zheyuan, Liu, Zengyang, Sun, Kai, Xiao, Xi

“…High-frequency magnetic components with large air gaps are widely used for the DC-DC stage of electric vehicle (EV) chargers. For better optimization, accurate…”
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Design of Medium-Voltage High-Frequency Transformers Based on High-Thermal-Conductivity Insulation Material by Yi, Zheyuan, Sun, Kai, Dang, Zhi-Min, Song, Yanhui, Liu, Zengyang

“…Medium-voltage high-frequency (MVHF) transformers are significant for isolated DC-DC converters in solid-state transformers (SST). In this paper, it is…”
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A Simple Power Loss Evaluation Method for High-Frequency Transformers Based on Surface Temperature Measurement Within Wide Operation Range by Yi, Zheyuan, Liu, Zengyang, Sun, Kai, Su, Bowen

“…Power loss measurement and evaluation form the foundation of loss modeling and optimization. This paper proposes a method for evaluating power loss in…”
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Reduction Methodology of Eddy Losses in Ferrite Cores for High-Frequency Transformers Based on Loss-Effective Conductivity Extraction by Yi, Zheyuan, Sun, Kai, Liu, Hanyu, Zhang, Quanliang

“…The eddy losses account for a significant part of the core losses of ferrite cores for high-frequency transformers. The apparent conductivity is the key…”
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Modeling and Evaluation of Winding Losses in High Voltage Planar Transformers by Liu, Hanyu, Sun, Kai, Cao, Guoen, Yi, Zheyuan, Lu, Shilei

“…When used in high insulation voltage DC-DC converter occasions, the influence of planar transformer winding structure on winding loss is more severe. In…”
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A Novel Calorimetric Loss Measurement Method For High-Power High-Frequency Transformer Based on Surface Temperature Measurment by Yi, Zheyuan, Liu, Hanyu, Sun, Kai

“…Accurate loss measurement methods are necessary for modeling losses of high-power high-frequency transformers precisely and further optimizing the efficiency…”
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