Explanipedia

Single-cell and spatial transcriptomic analysis reveal cellular heterogeneity and cancer cell-intrinsic major histocompatibility complex II expression in urothelial carcinoma Open

Shengwei Xiong, Jian Fan, Cong Huang, Shiming He, Yuan Liang , et al. · 2025

Muscle-invasive (MI) urothelial carcinoma (UC) is a clinically challenging malignancy with a poor prognosis. Understanding the cellular dynamics that drive UC progression is critical for the development of optimized therapeutic strategies.…

Reactive Current Profiles of Grid-Forming Converter and Power Plant During Voltage Sags Open

Fangzhou Zhao, Tianhua Zhu, Xiongfei Wang · 2025

Economic Optimization of Hybrid Energy Storage Capacity for Wind Power Based on Coordinated SGMD and PSO Open

Kai Qi, Keqilao Meng, Xiangdong Meng, Fangzhou Zhao, Yue Lu · 2025

Under the dual carbon objectives, wind power penetration has accelerated markedly. However, the inherent volatility and insufficient peak regulation capability in energy storage allocation hamper efficient grid integration. To address thes…

BBOX1 restrains TBK1-mTORC1 oncogenic signaling in clear cell renal cell carcinoma Open

Chengheng Liao, Lianxin Hu, Liwei Jia, Jin Zhou, Tao Wang , et al. · 2025

Clear cell renal cell carcinoma (ccRCC), a metabolic disease originating from renal proximal convoluted tubule (PCT) epithelial cells, remains incompletely understood in terms of its initiating signaling events. Here, we identify γ-butyrob…

TeFF: Tracking-enhanced Forgetting-free Few-shot 3D LiDAR Semantic Segmentation Open

Junbao Zhou, Jilin Mei, Pengze Wu, Liang Chen, Fangzhou Zhao , et al. · 2024

In autonomous driving, 3D LiDAR plays a crucial role in understanding the vehicle's surroundings. However, the newly emerged, unannotated objects presents few-shot learning problem for semantic segmentation. This paper addresses the limita…

PID: Physics-Informed Diffusion Model for Infrared Image Generation Open

Fangyuan Mao, Jilin Mei, Shun Lu, Fuyang Liu, Liang Chen , et al. · 2024

Infrared imaging technology has gained significant attention for its reliable sensing ability in low visibility conditions, prompting many studies to convert the abundant RGB images to infrared images. However, most existing image translat…

Efficiency and Cost Optimization of Dual Active Bridge Converter for 350kW DC Fast Chargers Open

Sadik Cinik, Fangzhou Zhao, Giuseppe De Falco, Xiongfei Wang · 2024

This study focuses on optimizing the design parameters of a Dual Active Bridge (DAB) converter for use in 350 kW DC fast chargers, emphasizing the balance between efficiency and cost. Addressing the observed gaps in existing high-power app…

Adaptive Anti-Saturation Control Design of Transformers in Converter-Based Grid Emulators Open

Zejie Li, Fangzhou Zhao, Florian Hans, Stig Munk‐Nielsen, Xiongfei Wang · 2024

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Low-frequency Resonances in Grid-Forming Converters: Causes and Damping Control Open

Fangzhou Zhao, Tianhua Zhu, Zejie Li, Xiongfei Wang · 2024

Grid-forming voltage-source converter (GFM-VSC) may experience low-frequency resonances, such as synchronous resonance (SR) and sub-synchronous resonance (SSR), in the output power. This paper offers a comprehensive study on the root cause…

Closed-Form Solutions for Grid-Forming Converters: A Design-Oriented Study Open

Fangzhou Zhao, Tianhua Zhu, Lennart Harnefors, Bo Fan, Heng Wu , et al. · 2024

This paper derives closed-form solutions for grid-forming converters with power synchronization control (PSC) by subtly simplifying and factorizing the complex closed-loop models. The solutions can offer clear analytical insights into cont…

Benchmarking DC Fast Chargers:A Comparative Analysis of Power Converter Structures for Wide Voltage Range Open

Sadik Cinik, Fangzhou Zhao, Xiongfei Wang, Giuseppe De Falco · 2024

Advancements in DC fast chargers are pivotal for accelerating the adoption of Electric Vehicles (EVs), particularly by enhancing charger efficiency and cost-effectiveness within a wide output voltage range (150 V to 1000 V). This paper ben…

Pid: Physics-Informed Diffusion Model for Infrared Image Generation Open

Fangyuan Mao, Jilin Mei, Shun Lu, Fuyang Liu, Liang Chen , et al. · 2024

Adaptive Anti-Saturation Control Design of Transformers in Converter-Based Grid Emulators Open

Zejie Li, Fangzhou Zhao, Florian Hans, Stig Munk‐Nielsen, Xiongfei Wang · 2023

Transformer saturation is a common issue in megawatt converter-based grid emulators (GEs) when emulating grid faults. This problem necessitates the use of anti-saturation control (ASC) with GEs. However, conventional ASC methods tend to di…

Analysis and Mitigation of Transient Overvoltage and Voltage Imbalance in Submodule Capacitors for MMC-Based Grid Emulators Open

Zejie Li, Fangzhou Zhao, Stig Munk‐Nielsen, Xiongfei Wang · 2023

The modular multilevel converter (MMC) has recently emerged as a promising candidate for medium-voltage megawatt grid emulators (GEs). However, when emulating grid faults, the MMC-based GE may encounter the transient overvoltage and voltag…

Adaptive Anti-Saturation Control Design of Transformers in Converter-Based Grid Emulators Open

Zejie Li, Fangzhou Zhao, Florian Hans, Stig Munk‐Nielsen, Xiongfei Wang · 2023

Detailed information is available in the TechRxiv preprint accessible through the following DOI: DOI: 10.36227/techrxiv.170317597.77165320/v1 .

Adaptive Anti-Saturation Control Design of Transformers in Converter-Based Grid Emulators Open

Zejie Li, Fangzhou Zhao, Florian Hans, Stig Munk‐Nielsen, Xiongfei Wang · 2023

Detailed information is available in the TechRxiv preprint accessible through the following DOI: DOI: 10.36227/techrxiv.170317597.77165320/v1 .

Closed-Form Solutions for Grid-Forming Converters: A Design-Oriented Study Open

Fangzhou Zhao, Tianhua Zhu, Lennart Harnefors, Bo Fan, Heng Wu , et al. · 2023

This paper derives closed-form solutions for grid-forming converters with power synchronization control (PSC) by subtly simplifying and factorizing the complex closed-loop models. The solutions can offer clear analytical insights into cont…

Power-Hardware Design and Topologies of Converter-Based Grid Emulators for Wind Turbines Open

Zejie Li, Xiongfei Wang, Fangzhou Zhao, Stig Munk‐Nielsen, Martin Geske , et al. · 2023

Power-electronic-based grid emulators (GEs) emerge as a favorable method for testing grid-code compliances of wind turbines (WTs), thanks to their full controllability and improved efficiency. To accommodate the increasing power and voltag…

Medium-Voltage Megawatt Power-Electronic-Based Grid Emulators: Testing Capability Requirements and Dynamics Challenges—A Review Open

Zejie Li, Fangzhou Zhao, Xiongfei Wang, Stig Munk‐Nielsen, Martin Geske , et al. · 2023

Power-electronic-based grid emulators are emerging as a promising way to test the grid-code compliance of renewable energy resources. Yet, the ever-increasing power and voltage levels of device under test (DUT) pose new requirements and ch…

A Review of Current-Limiting Control of Grid-Forming Inverters Under Symmetrical Disturbances Open

Bo Fan, Teng Liu, Fangzhou Zhao, Heng Wu, Xiongfei Wang · 2022

Grid-forming (GFM) inverters are recognized as a viable solution to increase the penetration of renewable energy in bulk power systems. However, they are physically different from synchronous generators in terms of overcurrent capability. …

A Review of Current-Limiting Control of Grid-Forming Inverters Under Symmetrical Disturbances Open

Bo Fan, Teng Liu, Fangzhou Zhao, Heng Wu, Xiongfei Wang · 2022

Grid-forming (GFM) inverters are recognized as a viable solution to increase the penetration of renewable energy in bulk power systems. However, they are physically different from synchronous generators in terms of overcurrent capability. …

Optimization of Extended Phase-Shift Control for Full-Bridge CLLC Resonant Converter With Improved Light-Load Efficiency Open

Tianhua Zhu, Fang Zhuo, Fangzhou Zhao, Feng Wang, Hao Yi , et al. · 2020

The capacitor-inductor-inductor-capacitor (CLLC) resonant converters are drawing more and more attention for their superiority in soft switching, wide output range, and symmetrically bidirectional operation. However, CLLC converter still s…

Anti-Slip Gait Planning for a Humanoid Robot in Fast Walking Open

Fangzhou Zhao, Junyao Gao · 2019

Humanoid robots are expected to have broad applications due to their biped mobility and human-like shape. To increase the walking speed, it is necessary to increase the power for driving the joints of legs. However, the resulting mass incr…

Reconfigurable Formation Control of Multi-Agents Using Virtual Linkage Approach Open

Yi Liu, Junyao Gao, Cunqiu Liu, Fangzhou Zhao, Jingchao Zhao · 2018

Formation control is an important problem in cooperative robotics due to its broad applications. To address this problem, the concept of a virtual linkage is introduced. Using this idea, a group of robots is designed and controlled to beha…

A Design Method for Multijoint Explosive-Proof Manipulators by Two Motors Open

Jingchao Zhao, Junyao Gao, Fangzhou Zhao, Zhe Ying Xu, Yi Liu · 2018

With the increase of accidents and disasters occurring in the explosive environment, search-and-rescue activities are more and more essential. At present, explosive-proof robots can be designed for detection in the explosive environment. H…

A Search-and-Rescue Robot System for Remotely Sensing the Underground Coal Mine Environment Open

Jingchao Zhao, Junyao Gao, Fangzhou Zhao, Yi Liu · 2017

This paper introduces a search-and-rescue robot system used for remote sensing of the underground coal mine environment, which is composed of an operating control unit and two mobile robots with explosion-proof and waterproof function. Thi…

A Fast Sorting Strategy Based on a Two-way Merge Sort for Balancing the Capacitor Voltages in Modular Multilevel Converters Open

Fangzhou Zhao, Guochun Xiao, Min Liu, Daoshu Yang · 2017

The Modular Multilevel Converter (MMC) is particularly attractive for medium and high power applications such as High-Voltage Direct Current (HVDC) systems. In order to reach a high voltage, the number of cascaded submodules (SMs) is gener…

A Release Device for Parachute and Robot Open

Xuanyang Shi, Junyao Gao, Jingchao Zhao, Yi Liu, Fangzhou Zhao , et al. · 2016

Parachute release device can be used in airdropping rescue robots when emergencies like earthquake and nuclear leak occur. The problem of inaccuracy exists in traditional purely mechanical design and time delay mechanism. In order to solve…

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