Chengrui Zhang
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View article: MReg: A Novel Regression Model with MoE-based Video Feature Mining for Mitral Regurgitation Diagnosis
MReg: A Novel Regression Model with MoE-based Video Feature Mining for Mitral Regurgitation Diagnosis Open
Color Doppler echocardiography is a crucial tool for diagnosing mitral regurgitation (MR). Recent studies have explored intelligent methods for MR diagnosis to minimize user dependence and improve accuracy. However, these approaches often …
View article: GeoSDF: Plane Geometry Diagram Synthesis via Signed Distance Field
GeoSDF: Plane Geometry Diagram Synthesis via Signed Distance Field Open
Plane Geometry Diagram Synthesis has been a crucial task in computer graphics, with applications ranging from educational tools to AI-driven mathematical reasoning. Traditionally, we rely on manual tools (e.g., Matplotlib and GeoGebra) to …
View article: Electrostatic Dual-Layer Solvent-Free Cathodes for High-Performance Lithium-Ion Batteries
Electrostatic Dual-Layer Solvent-Free Cathodes for High-Performance Lithium-Ion Batteries Open
Slurry-cast (SLC) electrode manufacturing faces problems such as thickness limitation and material stratification, which are caused by applying toxic organic solvents. Solvent-free electrode technology, as a sustainable alternative, could …
View article: 3D-CDRGP: Towards Cross-Device Robotic Grasping Policy in 3D Open World
3D-CDRGP: Towards Cross-Device Robotic Grasping Policy in 3D Open World Open
Given the diversity of devices and the product upgrades, cross-device research has become an urgent issue that needs to be tackled. To this end, we pioneer in probing the cross-device (cameras & robotics) grasping policy in the 3D open wor…
View article: Penetration State Recognition during Laser Welding Process Control Based on Two-Stage Temporal Convolutional Networks
Penetration State Recognition during Laser Welding Process Control Based on Two-Stage Temporal Convolutional Networks Open
Vision-based laser penetration control has become an important research area in the field of welding quality control. Due to the complexity and large number of parameters in the monitoring model, control of the welding process based on dee…
View article: Laser contacting of hairpin windings in electrical vehicle motors using ring-mode laser beams based on angularly-uniform Lissajous trajectories
Laser contacting of hairpin windings in electrical vehicle motors using ring-mode laser beams based on angularly-uniform Lissajous trajectories Open
The contacting process of hairpin windings is deemed the most important and challenging process in manufacturing electric vehicle motors. This paper proposes a ring-mode laser contacting method for copper hairpin windings based on Lissajou…
View article: Positioning error compensation method for industrial robots based on stacked ensemble learning
Positioning error compensation method for industrial robots based on stacked ensemble learning Open
Due to the advantages of low cost, high flexibility and large workspace, industrial robot has been considered to be the most promising plan to replace traditional CNC machine tool. However, the low absolute positioning accuracy of robot is…
View article: Revisiting Mutual Information Maximization for Generalized Category Discovery
Revisiting Mutual Information Maximization for Generalized Category Discovery Open
Generalized category discovery presents a challenge in a realistic scenario, which requires the model's generalization ability to recognize unlabeled samples from known and unknown categories. This paper revisits the challenge of generaliz…
View article: Numerical Simulation of Flow Characteristics for Supercritical CO2-Sprayed Polyurethane Resin
Numerical Simulation of Flow Characteristics for Supercritical CO2-Sprayed Polyurethane Resin Open
Conventional paint spraying processes often use small molecule organic solvents and emit a large amount of volatile organic compounds (VOCs) that are highly toxic, flammable, and explosive. Alternatively, the spraying technology using supe…
View article: Characteristics and duties of clinical research nurses: a scoping review
Characteristics and duties of clinical research nurses: a scoping review Open
Introduction The characteristics and duties of clinical research nurses (CRNs) are constantly developing and changing with the progress of medical technology and increasing needs in patient care. With the continuous deepening and standardi…
View article: Adaptive Remanufacturing for Freeform Surface Parts Based on Linear Laser Scanner and Robotic Laser Cladding
Adaptive Remanufacturing for Freeform Surface Parts Based on Linear Laser Scanner and Robotic Laser Cladding Open
View article: Development of a Laser Scanning Machining System Supporting On-the-Fly Machining and Laser Power Follow-Up Adjustment
Development of a Laser Scanning Machining System Supporting On-the-Fly Machining and Laser Power Follow-Up Adjustment Open
In this study, a laser scanning machining system supporting on-the-fly machining and laser power follow-up adjustment was developed to address the increasing demands for high-speed, wide-area, and high-quality laser scanning machining. The…
View article: Measurement of master node delay in networked control systems
Measurement of master node delay in networked control systems Open
Master node delay is an unavoidable factor in a networked control system (NCS), which will lead to performance deterioration of the system, and large delay may even cause instability. In order to measure the master node delay in NCSs, its …
View article: Velocity planning method for position–velocity–time control based on a modified S-shaped acceleration/deceleration algorithm
Velocity planning method for position–velocity–time control based on a modified S-shaped acceleration/deceleration algorithm Open
Position–velocity–time control mode has been wildly used in industrial application. And velocity planning is one of the most important factors to determine the performance of position–velocity–time motion. To generate smooth trajectory whi…
View article: Efficient and Safe Robotic Autonomous Environment Exploration Using Integrated Frontier Detection and Multiple Path Evaluation
Efficient and Safe Robotic Autonomous Environment Exploration Using Integrated Frontier Detection and Multiple Path Evaluation Open
Autonomous exploration and remote sensing using robots have gained increasing attention in recent years and aims to maximize information collection regarding the external world without human intervention. However, incomplete frontier detec…
View article: Penetration Depth Prediction of Infinity Shaped Laser Scanning Welding Based on Latin Hypercube Sampling and the Neuroevolution of Augmenting Topologies
Penetration Depth Prediction of Infinity Shaped Laser Scanning Welding Based on Latin Hypercube Sampling and the Neuroevolution of Augmenting Topologies Open
This paper builds an infinity shaped (“∞”-shaped) laser scanning welding test platform based on a self-developed motion controller and galvanometer scanner control gateway, takes the autogenous bead-on-plate welding of 304SS with 3 mm thic…
View article: Collision-free and dynamically feasible trajectory planning for omnidirectional mobile robots using a novel B-spline based rapidly exploring random tree
Collision-free and dynamically feasible trajectory planning for omnidirectional mobile robots using a novel B-spline based rapidly exploring random tree Open
Generating a collision-free and dynamically feasible trajectory with a better clearance in a cluttered environment is still a challenge. We propose two dynamically feasible B-spline based rapidly exploring random tree (RRT) approaches, whi…
View article: Online chatter detection in robotic machining based on adaptive variational mode decomposition
Online chatter detection in robotic machining based on adaptive variational mode decomposition Open
Chatter is the main problem that limits the application of industrial robots in the field of machining process. It is critical important to establish an adaptive chatter detection solution for robot machining process and realize the online…
View article: Finite-time tracking control for uncertain robotic manipulators using backstepping method and novel extended state observer
Finite-time tracking control for uncertain robotic manipulators using backstepping method and novel extended state observer Open
This article considers finite-time trajectory tracking control problem for robotic manipulators with parameter uncertainties and external disturbances. A finite-time controller that achieves high precision and strong robustness is proposed…
View article: A dynamic parameter identification method of industrial robots considering joint elasticity
A dynamic parameter identification method of industrial robots considering joint elasticity Open
Considering the joint elasticity, a novel dynamic parameter identification method is proposed for general industrial robots only with motor encoders. Firstly, the unknown parameters of the elastic joint dynamic model are analyzed and divid…
View article: A parametric interpolation method based on prediction and iterative compensation
A parametric interpolation method based on prediction and iterative compensation Open
Parametric interpolation for spline plays an increasingly important role in modern manufacturing. It is critical to develop a fast parametric interpolator with high accuracy. To improve the computational efficiency while guaranteeing low a…
View article: Trajectory planning method of robot sorting system based on S-shaped acceleration/deceleration algorithm
Trajectory planning method of robot sorting system based on S-shaped acceleration/deceleration algorithm Open
To improve the sorting accuracy and efficiency of sorting system with large inertia robot, this article proposes a novel trajectory planning method based on S-shaped acceleration/deceleration algorithm. Firstly, a novel displacement segmen…
View article: Model-assisted extended state observer-based computed torque control for trajectory tracking of uncertain robotic manipulator systems
Model-assisted extended state observer-based computed torque control for trajectory tracking of uncertain robotic manipulator systems Open
Computed torque control is an effective control scheme for trajectory tracking of robotic manipulators. However, computed torque control requires precise dynamic models of robotic manipulators and is severely affected by uncertain dynamics…
View article: Feedrate Scheduling of NURBS Interpolation Based on a Novel Jerk-Continuous ACC/DEC Algorithm
Feedrate Scheduling of NURBS Interpolation Based on a Novel Jerk-Continuous ACC/DEC Algorithm Open
In order to improve the motion smoothness while maintaining the machining efficiency of the non-uniform rational B-spline (NURBS) interpolation, a novel jerk-continuous acceleration/deceleration (ACC/DEC) algorithm and the corresponding fe…
View article: A Bidirectional Adaptive Feedrate Scheduling Method of NURBS Interpolation Based on S-Shaped ACC/DEC Algorithm
A Bidirectional Adaptive Feedrate Scheduling Method of NURBS Interpolation Based on S-Shaped ACC/DEC Algorithm Open
To improve the interpolation accuracy for the non-uniform rational B-spline (NURBS) curves, this paper proposes a novel bidirectional adaptive feedrate scheduling (BAFS) method based on S-shaped acceleration/deceleration (ACC/DEC) algorith…
View article: Task Space Trajectory Tracking Control of Robot Manipulators with Uncertain Kinematics and Dynamics
Task Space Trajectory Tracking Control of Robot Manipulators with Uncertain Kinematics and Dynamics Open
To improve the tracking precision of robot manipulators’ end‐effector with uncertain kinematics and dynamics in the task space, a new control method is proposed. The controller is based on time delay estimation and combines with the nonsin…
View article: A Hardware Independent Real-time Ethernet for Motion Control Systems
A Hardware Independent Real-time Ethernet for Motion Control Systems Open
Ethernet for Manufacture Automation Control (EtherMAC) is a new kind of real-time Ethernet used in motion control systems. It adopts a line topology with a standard industrial computer based master node and field-programmable-gate-array ba…