Explanipedia

Hybrid Frequency Transmission for Upload Latency Minimization of IoT Devices in HSR Scenario Aided by Intelligent Reflecting Surfaces Open

Tianyou Li, T. H. Wei, Dapeng Li · 2025

The explosively growing demand for Internet of Things (IoT) in high-speed railway (HSR) scenario has attracted a lot of attention amongst researchers. However, limited IoT device (IoTD) batteries and large information upload latency still …

YOLO-DHGC: Small Object Detection Using Two-Stream Structure with Dense Connections Open

Lihua Chen, Lumei Su, Weihao Chen, Yuhan Chen, Haojie Chen , et al. · 2024

Small object detection, which is frequently applied in defect detection, medical imaging, and security surveillance, often suffers from low accuracy due to limited feature information and blurred details. This paper proposes a small object…

EMB-YOLO: A Lightweight Object Detection Algorithm for Isolation Switch State Detection Open

Haojie Chen, Lumei Su, Riben Shu, Tianyou Li, Fan Yin · 2024

In power inspection, it is crucial to accurately and regularly monitor the status of isolation switches to ensure the stable operation of power systems. However, current methods for detecting the open and closed states of isolation switche…

DLCH-YOLO: An Object Detection Algorithm for Monitoring the Operation Status of Circuit Breakers in Power Scenarios Open

Riben Shu, Lihua Chen, Lumei Su, Tianyou Li, Fan Yin · 2024

In the scenario of power system monitoring, detecting the operating status of circuit breakers is often inaccurate due to variable object scales and background interference. This paper introduces DLCH-YOLO, an object detection algorithm ai…

A Photovoltaic Fault Diagnosis Method Integrating Photovoltaic Power Prediction and EWMA Control Chart Open

Jun Su, Zhiyuan Zeng, Chaolong Tang, Zhiquan Liu, Tianyou Li · 2024

The inevitability of faults arises due to prolonged exposure of photovoltaic (PV) power plants to intricate environmental conditions. Therefore, fault diagnosis of PV power plants is crucial to ensure the continuity and reliability of powe…

Tariff-Based Optimal Scheduling Strategy of Photovoltaic-Storage for Industrial and Commercial Customers Open

Zhiyuan Zeng, Tianyou Li, Jun Su, Longyi Sun · 2023

Photovoltaic (PV) power generation exhibits stochastic and uncertain characteristics. In order to improve the economy and reliability of a photovoltaic-energy storage system (PV-ESS), it is crucial to optimize both the energy storage capac…

HS-YOLO: Small Object Detection for Power Operation Scenarios Open

Lin Zhiwei, Weihao Chen, Lumei Su, Yuhan Chen, Tianyou Li · 2023

Object detection methods are commonly employed in power safety monitoring systems to detect violations in surveillance scenes. However, traditional object detection methods are ineffective for small objects that are similar to the backgrou…

Hydrogen-bonded hybrid membranes based on hydroxylated metal-organic frameworks and PIM-1 for ultrafast hydrogen separation Open

Yongchao Sun, Fangxu Fan, Lu Bai, Tianyou Li, Jianyu Guan , et al. · 2023

Membrane separation technology provides an alternative to traditional thermally driven separations, owing to its advantages including low cost, energy-savings and environmental friendliness. However, the current membrane technology for gas…

Research on Photoacoustic Synthetic Aperture Focusing Technology Imaging Method of Internal Defects in Cylindrical Components Open

Yanjie Zhang, Tianyou Li, Hongkai Chen, Zhihui Xu, Xinyao Li , et al. · 2023

Cylindrical components are parts with curved surfaces, and their high-precision defect testing is of great significance to industrial production. This paper proposes a noncontact internal defect imaging method for cylindrical components, a…

SP-YOLO-Lite: A Lightweight Violation Detection Algorithm Based on SP Attention Mechanism Open

Zhihao Huang, Jiajun Wu, Lumei Su, Yitao Xie, Tianyou Li , et al. · 2023

In the operation site of power grid construction, it is crucial to comprehensively and efficiently detect violations of regulations for the personal safety of the workers with a safety monitoring system based on object detection technology…

Monte Carlo Policy Gradient Method for Binary Optimization Open

Cheng Chen, Ruitao Chen, Tianyou Li, Ruichen Ao, Zaiwen Wen · 2023

Binary optimization has a wide range of applications in combinatorial optimization problems such as MaxCut, MIMO detection, and MaxSAT. However, these problems are typically NP-hard due to the binary constraints. We develop a novel probabi…

Object Detection of Flexible Objects with Arbitrary Orientation Based on Rotation-Adaptive YOLOv5 Open

Jiajun Wu, Lumei Su, Zhiwei Lin, Yuhan Chen, Jiaming Ji , et al. · 2023

It is challenging to accurately detect flexible objects with arbitrary orientation from monitoring images in power grid maintenance and inspection sites. This is because these images exhibit a significant imbalance between the foreground a…

Instance Segmentation of Irregular Deformable Objects for Power Operation Monitoring Based on Multi-Instance Relation Weighting Module Open

Weihao Chen, Lumei Su, Lin Zhiwei, Xinqiang Chen, Tianyou Li · 2023

Electric power operation is necessary for the development of power grid companies, where the safety monitoring of electric power operation is difficult. Irregular deformable objects commonly used in electrical construction, such as safety …

Convergence Analysis of Stochastic Gradient Descent with MCMC Estimators Open

Tianyou Li, Fan Chen, Huajie Chen, Zaiwen Wen · 2023

Understanding stochastic gradient descent (SGD) and its variants is essential for machine learning. However, most of the preceding analyses are conducted under amenable conditions such as unbiased gradient estimator and bounded objective f…

Slender Flexible Object Segmentation Based on Object Correlation Module and Loss Function Optimization Open

Xinqiang Chen, Weihao Chen, Lumei Su, Tianyou Li · 2023

Slender flexible objects are ubiquitous in real-world circumstances. The existing object detection and segmentation algorithms have achieved high accuracy and speed in rigid objects, but the detection effect of slender flexible objects is …

Distributed Active Noise Control System Based on a Block Diffusion FxLMS Algorithm with Bidirectional Communication Open

Tianyou Li, Hongji Duan, Sipei Zhao, Jing Lu, Lee Burnett · 2022

Recently, distributed active noise control systems based on diffusion adaptation have attracted significant research interest due to their balance between computational complexity and stability compared to conventional centralized and dece…

How do different micro-mobility vehicles affect longitudinal control? Results from a field experiment Open

Marco Dozza, Tianyou Li, Lucas Billstein, Christoffer Svernlöv, Alexander Rasch · 2022

The results from this study suggest that, while new micromobility solutions may not be intrinsically unsafe, they may require some behavior and/or infrastructure adaptations to improve their safety. We also discuss how policy making, safet…

Modeling the Braking Behavior of Micro-Mobility Vehicles Open

Tianyou Li, Jordanka Kovaceva, Marco Dozza · 2022

According to the community database on accidents on the roads in Europe, 2035 cyclist fatalities happened in Europe in 2019 [S]. In Sweden, 10440 bicycle crashes were reported in the Swedish Traffic Accident Data Acquisition database durin…

Practical Demonstration of High-impedance Fault Detection Technology in MV Distribution Network Open

Tianyou Li, Huang Chaoyi · 2019

In MV distribution network, theprobabilityofsingle-phase-to-groundfaultisashighas60% to 80%. Some of these faults can cause personal electric shocks or fire incidents, such as broken wires and wires discharged through the branches. They ar…

Operation Analysis and Improvement Measures of Residual Current Protection of Low Voltage Distribution Network Open

Huang Chaoyi, Tianyou Li, Pan Guomei · 2019

According to official statistics of China, more than 85% of a death rate from electric shock occurs in LV distribution networks. In recent years, a lot of electric shock accidents caused by flood has been raising public awareness of the pr…

Fast self-healing control of faults in MV networks using distributed intelligence Open

Tony Yip, Jinghua Wang, Bingyin Xu, Kaijun Fan, Tianyou Li · 2017

Feeder automation technology is now widely used to improve supply reliability. Automatic fault location, isolation and service restoration (FLISR) can be achieved by local, central and distributed control. This study presents a medium-volt…

New transient fault location method in non-solidly earthed system for distribution network Open

Tianyou Li, Huang Chaoyi · 2017

The technology of faulted line detection for non-solidly earthed distribution network has a wide range of applications in China and it has made significant achievements. However, the accuracy of the faulted section location (FSL) technique…

Reactivity Comparison of ω-Alkenols and Higher 1-Alkenes in Copolymerization with Propylene Using An Isospecific Zirconocene-MMAO Catalyst Open

Benard Oloo Nyangoye, Tianyou Li, Long Chen, Zhengguo Cai · 2015

Copolymerizations of propylene with ω-alkenols (aluminum-protected 5-hexene-1-ol (AH) and 10-undecene-1-ol (AU)) and non-polar analogues (1-hexene and 1-dodecene) were conducted with a rac-[Me2Si(2-Me-4-Ph-Ind)2]ZrCl2 activated by modified…

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