Zonghai Chen
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View article: Voronoi-Assisted Diffusion for Computing Unsigned Distance Fields from Unoriented Points
Voronoi-Assisted Diffusion for Computing Unsigned Distance Fields from Unoriented Points Open
Unsigned Distance Fields (UDFs) provide a flexible representation for 3D shapes with arbitrary topology, including open and closed surfaces, orientable and non-orientable geometries, and non-manifold structures. While recent neural approac…
View article: FFI-VTR: Lightweight and Robust Visual Teach and Repeat Navigation based on Feature Flow Indicator and Probabilistic Motion Planning
FFI-VTR: Lightweight and Robust Visual Teach and Repeat Navigation based on Feature Flow Indicator and Probabilistic Motion Planning Open
Though visual and repeat navigation is a convenient solution for mobile robot self-navigation, achieving balance between efficiency and robustness in task environment still remains challenges. In this paper, we propose a novel visual and r…
View article: Temporal dynamics and relationship between negative air ions and environmental factors in subtropical forests, China
Temporal dynamics and relationship between negative air ions and environmental factors in subtropical forests, China Open
Negative air ions (NAIs) in forest air contribute to air purification, improve respiratory system function, enhance immunity, reduce fatigue, and alleviate stress and anxiety. However, NAIs are easily influenced by meteorological factors, …
View article: Real-Time LiDAR–Inertial Simultaneous Localization and Mesh Reconstruction
Real-Time LiDAR–Inertial Simultaneous Localization and Mesh Reconstruction Open
In this paper, a novel LiDAR–inertial-based Simultaneous Localization and Mesh Reconstruction (LI-SLAMesh) system is proposed, which can achieve fast and robust pose tracking and online mesh reconstruction in an outdoor environment. The LI…
View article: Innate Immunity in Tuberculosis
Innate Immunity in Tuberculosis Open
Tuberculosis (TB) is an airborne infectious disease caused by the Mycobacterium tuberculosis (Mtb) complex, which is one of the top 10 causes of death in the world. In recent years, the rising incidence rate of drug-resistant TB has posed …
View article: Dynamic Obstacle Avoidance for Mobile Robots Based on 2D Differential Euclidean Signed Distance Field Maps in Park Environment
Dynamic Obstacle Avoidance for Mobile Robots Based on 2D Differential Euclidean Signed Distance Field Maps in Park Environment Open
In this paper, a novel and complete navigation system is proposed for mobile robots in a park environment, which can achieve safe and stable navigation as well as robust dynamic obstacle avoidance. The navigation system includes a global p…
View article: Digital Twin-Enhanced Control for Fuel Cell and Lithium-Ion Battery Hybrid Vehicles
Digital Twin-Enhanced Control for Fuel Cell and Lithium-Ion Battery Hybrid Vehicles Open
With the development of lithium-ion batteries and fuel cells, the application of hybrid power systems is becoming more and more widespread. To better optimize the energy management problem of fuel cell hybrid systems, the accuracy of syste…
View article: SLAM Meets NeRF: A Survey of Implicit SLAM Methods
SLAM Meets NeRF: A Survey of Implicit SLAM Methods Open
In recent years, Simultaneous Localization and Mapping (SLAM) systems have shown significant performance, accuracy, and efficiency gains, especially when Neural Radiance Fields (NeRFs) are implemented. NeRF-based SLAM in mapping aims to im…
View article: Toward efficient smart management: A review of modeling and optimization approaches in electric vehicle-transportation network-grid integration
Toward efficient smart management: A review of modeling and optimization approaches in electric vehicle-transportation network-grid integration Open
The increasing scale of electric vehicles (EVs) and their stochastic charging behavior have resulted in a growing coupling between the transportation network and the grid. Consequently, effective smart management in the EV-transportation n…
View article: Poly(alkylene oxide) siloxane-based electrolytes for rechargeable batteries
Poly(alkylene oxide) siloxane-based electrolytes for rechargeable batteries Open
An electrochemical device includes a cathode including elemental selenium, elemental sulfur, or selenium-sulfur containing composite; a negative electrode; a separator; and an electrolyte including a poly(alkyleneoxide) siloxane; and a sal…
View article: A systematic review of system modeling and control strategy of proton exchange membrane fuel cell
A systematic review of system modeling and control strategy of proton exchange membrane fuel cell Open
The proton exchange membrane fuel cell, as a novel energy device, exhibits a wide array of potential applications. This paper offers a comprehensive review and discussion of modeling and control strategies for fuel cell systems. It commenc…
View article: Fault diagnosis method for proton exchange membrane fuel cell system based on digital twin and unsupervised domain adaptive learning
Fault diagnosis method for proton exchange membrane fuel cell system based on digital twin and unsupervised domain adaptive learning Open
In recent years, supervised deep learning-based methods have achieved significant results in fuel cell system fault diagnosis. However, most existing deep learning-based fault prediction methods suffer from missing fault labels and data li…
View article: Data-Driven Battery Aging Mechanism Analysis and Degradation Pathway Prediction
Data-Driven Battery Aging Mechanism Analysis and Degradation Pathway Prediction Open
Capacity decline is the focus of traditional battery health estimation as it is a significant external manifestation of battery aging. However, it is difficult to depict the internal aging information in depth. To achieve the goal of deepe…
View article: Deep Reinforcement Learning Algorithm Based on Fusion Optimization for Fuel Cell Gas Supply System Control
Deep Reinforcement Learning Algorithm Based on Fusion Optimization for Fuel Cell Gas Supply System Control Open
In a proton exchange membrane fuel cell (PEMFC) system, the flow of air and hydrogen is the main factor affecting the output characteristics of the PEMFC, and there is a coordination problem in the flow control of both. To ensure real-time…
View article: Electrolyte salts for nonaqueous electrolytes
Electrolyte salts for nonaqueous electrolytes Open
Metal complex salts may be used in lithium ion batteries. Such metal complex salts not only perform as an electrolyte salt in a lithium ion batteries with high solubility and conductivity, but also can act as redox shuttles that provide ov…
View article: LiDAR-Only Ground Vehicle Navigation System in Park Environment
LiDAR-Only Ground Vehicle Navigation System in Park Environment Open
In this paper, a novel and complete navigation system is proposed for mobile ground vehicles in a park environment. LiDAR map representation and maintenance, dynamic objects detection and removal, hierarchal path planning and model-free lo…
View article: Deep Reinforcement Learning Algorithm Based on Fusion Optimization for Fuel Cell Gas Supply System Control
Deep Reinforcement Learning Algorithm Based on Fusion Optimization for Fuel Cell Gas Supply System Control Open
In a proton exchange membrane fuel cell (PEMFC) system, the flow of the air and hydrogen is the main factor affecting the output characteristics of the PEMFC, and there is a coordination problem in the flow control of both. To ensure the r…
View article: Fuel Cell Hybrid Electric Vehicles: A Review of Topologies and Energy Management Strategies
Fuel Cell Hybrid Electric Vehicles: A Review of Topologies and Energy Management Strategies Open
With the development of the global economy, the automobile industry is also developing constantly. In recent years, due to the shortage of environmental energy and other problems, seeking clean energy as the power source of vehicles to rep…
View article: [Effect of <i>Mycobacterium tuberculosis</i> <i>higBA</i> on Bacterial Stress Response and Intracellular Infection and Immunity].
[Effect of <i>Mycobacterium tuberculosis</i> <i>higBA</i> on Bacterial Stress Response and Intracellular Infection and Immunity]. Open
The higBA genes from Mtb play a role in bacterial stress response and intracellular infection and immunity.
View article: Battery Full Life Cycle Management and Health Prognosis Based on Cloud Service and Broad Learning
Battery Full Life Cycle Management and Health Prognosis Based on Cloud Service and Broad Learning Open
Dear editor, This letter presents battery full life cycle management and health prognosis based on cloud service and broad learning. Specifically, a cloud-based framework for battery full life cycle management is presented. Then, the broad…
View article: A survey of Digital Twin techniques in smart manufacturing and management of energy applications
A survey of Digital Twin techniques in smart manufacturing and management of energy applications Open
With the continuous advancement and exploration of science and technology, the future trend of energy technology will be the deep integration of digitization, networking, intelligence with energy applications. The increasing maturity of di…
View article: Lifelong Vehicle Trajectory Prediction Framework Based on Generative Replay
Lifelong Vehicle Trajectory Prediction Framework Based on Generative Replay Open
Accurate trajectory prediction of vehicles is essential for reliable autonomous driving. To maintain consistent performance as a vehicle driving around different cities, it is crucial to adapt to changing traffic circumstances and achieve …
View article: A Review of 3D Object Detection for Autonomous Driving of Electric Vehicles
A Review of 3D Object Detection for Autonomous Driving of Electric Vehicles Open
In recent years, electric vehicles have achieved rapid development. Intelligence is one of the important trends to promote the development of electric vehicles. As a result, autonomous driving system is becoming one of the core systems of …
View article: A CNN-Based System for Mobile Robot Navigation in Indoor Environments via Visual Localization with a Small Dataset
A CNN-Based System for Mobile Robot Navigation in Indoor Environments via Visual Localization with a Small Dataset Open
Deep learning has made great advances in the field of image processing, which allows automotive devices to be more widely used in humans’ daily lives than ever before. Nowadays, the mobile robot navigation system is among the hottest topic…
View article: Compensatory effects of <i>M. tuberculosis rpoB</i> mutations outside the rifampicin resistance-determining region
Compensatory effects of <i>M. tuberculosis rpoB</i> mutations outside the rifampicin resistance-determining region Open
Mycobacterium tuberculosis has been observed to develop resistance to the frontline anti-tuberculosis drug rifampicin, primarily through mutations in the rifampicin resistance-determining region (RRDR) of rpoB. While these mutations have b…
View article: Research on Household Waste Detection System Based on Deep Learning
Research on Household Waste Detection System Based on Deep Learning Open
Household waste is threatening the urban environment increasingly day by day for people’s material needs increasing with the acceleration of urbanization. In this paper, a new waste sorting model is proposed to solve the problems of waste …
View article: MapSegNet: A Fully Automated Model Based on the Encoder-Decoder Architecture for Indoor Map Segmentation
MapSegNet: A Fully Automated Model Based on the Encoder-Decoder Architecture for Indoor Map Segmentation Open
Image segmentation in robotics is an ongoing research field in which neural networks have shown promising performance. In this paper, we introduce MapSegNet, a deep convolutional neural network for indoor map segmentation, which is able to…
View article: State-of-charge Estimation of Hybrid Energy Storage System Using Fractional Order Models
State-of-charge Estimation of Hybrid Energy Storage System Using Fractional Order Models Open
Accurate and robust real-time state estimation is essential to the reliable and safe operation of the hybrid energy storage system.This paper handles a closed-loop method for state-of-charge estimation of lithium-ion battery and ultracapac…