Fangyu Peng
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View article: Identification and three-dimensional absorption of time-varying potential chatter during robotic milling
Identification and three-dimensional absorption of time-varying potential chatter during robotic milling Open
View article: A novel method to predict the haemoglobin concentration after kidney transplantation based on machine learning: prediction model establishment and method optimization
A novel method to predict the haemoglobin concentration after kidney transplantation based on machine learning: prediction model establishment and method optimization Open
Background Anaemia is a common complication after kidney transplantation, and the haemoglobin concentration is one of the main criteria for identifying anaemia. Moreover, artificial intelligence methods have developed rapidly in recent yea…
View article: Three-dimensional cellular magnetorheological elastomer absorber for suppressing time-varying chatter in robotic milling
Three-dimensional cellular magnetorheological elastomer absorber for suppressing time-varying chatter in robotic milling Open
View article: Molecular dynamics simulation and experimental study of laser-assisted machining of SiCp/Al composites
Molecular dynamics simulation and experimental study of laser-assisted machining of SiCp/Al composites Open
View article: An unsupervised prediction of robotic machining error for new tasks under historical tasks knowledge distillation
An unsupervised prediction of robotic machining error for new tasks under historical tasks knowledge distillation Open
View article: Discrete-superposition mechanism of multiple constraints for robotic machining posture twin planning
Discrete-superposition mechanism of multiple constraints for robotic machining posture twin planning Open
View article: A joint Electromagnetic Torsional Actuator for low-frequency chatter suppression in robotic milling
A joint Electromagnetic Torsional Actuator for low-frequency chatter suppression in robotic milling Open
View article: Correction to: Cutting chatter recognition based on spectrum characteristics and extreme gradient boosting
Correction to: Cutting chatter recognition based on spectrum characteristics and extreme gradient boosting Open
View article: Low-frequency chatter suppression in robotic milling using Magnetorheological Joint Damper (MRJD)
Low-frequency chatter suppression in robotic milling using Magnetorheological Joint Damper (MRJD) Open
Low-frequency structural vibrations caused by poor rigidity are one of the main obstacles limiting the machining efficiency of robotic milling. Existing vibration suppression strategies primarily focus on passive vibration absorption at th…
View article: An image inpainting-based data augmentation method for improved sclerosed glomerular identification performance with the segmentation model EfficientNetB3-Unet
An image inpainting-based data augmentation method for improved sclerosed glomerular identification performance with the segmentation model EfficientNetB3-Unet Open
View article: An effective robotic processing errors prediction method considering temporal characteristics
An effective robotic processing errors prediction method considering temporal characteristics Open
Robotic milling processing has become an important means of advanced manufacturing technology. However, the limited machining accuracy restricts the development of robotic milling processing technology. Errors prediction and compensation a…
View article: LOW-FREQUENCY CHATTER SUPPRESSION USING TUNED MASS DAMPER IN ROBOTIC MILLING
LOW-FREQUENCY CHATTER SUPPRESSION USING TUNED MASS DAMPER IN ROBOTIC MILLING Open
Low-frequency chatter severely limits robotic milling efficiency. In this paper, tuned mass dampers (TMDs) are introduced to suppress low-frequency chatter based on robotic modal directionality. A TMD model with mounting angle is establish…
View article: A JOINT WEARABLE STRUCTURAL REINFORCING DEVICE FOR VIBRATION SUPPRESSION IN ROBOTIC MILLING
A JOINT WEARABLE STRUCTURAL REINFORCING DEVICE FOR VIBRATION SUPPRESSION IN ROBOTIC MILLING Open
The structural vibration caused by poor rigidity is one of the main obstacles limiting the machining efficiency of robot milling. The existing vibration suppression strategies mainly focus on process parameter optimization, passive vibrati…
View article: Adaptive Tuning of Robotic Polishing Skills based on Force Feedback Model
Adaptive Tuning of Robotic Polishing Skills based on Force Feedback Model Open
Acquiring human skills offers an efficient approach to tackle complex task planning challenges. When performing a learned skill model for a continuous contact task, such as robot polishing in an uncertain environment, the robot needs to be…
View article: Robotic Milling Chatter Types Detection Based on Adaptive VariationalMode Decomposition and Difference of Power Spectral Entropy
Robotic Milling Chatter Types Detection Based on Adaptive VariationalMode Decomposition and Difference of Power Spectral Entropy Open
摘要: 机器人铣削加工存在模态耦合颤振和再生颤振现象,有效地进行机器人铣削加工颤振类型的辨识是进行颤振精准抑制和保证加工质量的基础。为此,提出一种基于自适应变分模态分解与功率谱熵差的颤振类型辨识(AVMD-ΔPSE)方法。通过分析机器人铣削加工颤振特性和主导模态,将机器人铣削颤振分为机器人结构模态主导的模态耦合颤振和刀具-主轴结构模态主导的再生颤振两种类型。为了提取颤振敏感子信号,利用自适应变分模态分解方法对原始信号进行分解,根据功率谱熵和频率消除算法设计功率谱熵差颤振类型…
View article: Review on Removal Mechanism and Process Modeling in Machining of Metal Matrix Composites
Review on Removal Mechanism and Process Modeling in Machining of Metal Matrix Composites Open
摘要: 随着航空航天、生物医疗等领域对高端装备中使用的复合材料零部件的制造需求跨越式提升,金属基复合材料(Metal matrix composites, MMCs)切削加工性能研究成为学术界和工业界持续关注的热点之一。近年来众多学者在MMCs切削过程分析方面已开展大量研究并取得丰富成果,但仍缺乏从MMCs组织和性能角度总结材料去除机理和切削过程建模的研究进展,特别是针对微细切削加工研究的报道较少。本文重点分析不同加工尺度下增强相特征参数对MMCs去除机理的影响,探讨MMC…
View article: Automatic Identification of Structural Modal Parameters for Milling Robots Based on Multi-Joint Servo Current in All Poses Automatic Traversal
Automatic Identification of Structural Modal Parameters for Milling Robots Based on Multi-Joint Servo Current in All Poses Automatic Traversal Open
View article: Cme-Epc: A Coarse-Mechanism Embedded Error Prediction and Compensation Framework for Robot Multi-Condition Tasks
Cme-Epc: A Coarse-Mechanism Embedded Error Prediction and Compensation Framework for Robot Multi-Condition Tasks Open
View article: Research on Vision Tracking Measurement and Compensation of Robot Milling Error
Research on Vision Tracking Measurement and Compensation of Robot Milling Error Open
View article: Investigation on surface integrity in laser-assisted machining of Inconel 718 based on in-situ observation
Investigation on surface integrity in laser-assisted machining of Inconel 718 based on in-situ observation Open
Inconel 718, a nickel-based superalloy, is widely used in the key parts of aero-engine owing to its high performance at elevated temperatures. Meanwhile, Inconel 718 is a typical difficult-to-cut material which is hard to obtain ideal surf…
View article: Cutting force prediction considering force-deflection coupling in five-axis milling with fillet-end cutter
Cutting force prediction considering force-deflection coupling in five-axis milling with fillet-end cutter Open
With the increasing demand for higher quality and performance of equipment and assembly in aerospace, shipbuilding, medical and other fields, the machining accuracy of parts is facing higher requirements. It is particularly important to pr…
View article: High precision and efficiency robotic milling of complex parts: Challenges, approaches and trends
High precision and efficiency robotic milling of complex parts: Challenges, approaches and trends Open
Due to the advantages of large workspace, low cost and the integrated vision/force sensing, robotic milling has become an important way for machining of complex parts. In recent years, many scholars have studied the problems existing in th…
View article: Configuration optimization through redundancy angle and tool posture by force induced error index in robot ball-end milling
Configuration optimization through redundancy angle and tool posture by force induced error index in robot ball-end milling Open
Industrial robots are widely applied in manufacture industry recently because of their great flexibility and large working space. Due to the posture-dependent stiffness of industrial robots, a force-induced error index (FEI), which simulta…
View article: Feature Matrix Based Complex Feature Hierarchical Recognition for Blank Model of Large Cabin Component
Feature Matrix Based Complex Feature Hierarchical Recognition for Blank Model of Large Cabin Component Open
摘要: 大型舱体类构件是大飞机、火箭等航空航天飞行器型号的重要部件,具有众多复杂内部相交特征,给其内部特征的准确识别带来极大挑战,毛坯模型内部特征的有效识别是实现加工余量确定、切削参数优化及刀具路径规划的重要基础。提出了一种基于特征矩阵的大型复杂构件毛坯模型相交特征分层识别算法,实现基于毛坯模型几何拓扑信息的多层次复杂相交特征识别。首先使用阈值分割法识别和剔除大型复杂构件毛坯模型伪特征及其数据,进行毛坯模型优化。然后构建该优化毛坯模型的属性邻接图,采用分层识别方法对构件的优…
View article: Influence mechanism of machining angles on force induced error and their selection in five axis bullnose end milling
Influence mechanism of machining angles on force induced error and their selection in five axis bullnose end milling Open
In the machining of complicated surfaces, the cutters with large length/diameter ratios are used widely and the deformation of the machining system is one of the principal error sources. During the process planning stage, the cutting direc…
View article: Historical Evolution of Fore-edge Paintings
Historical Evolution of Fore-edge Paintings Open
Fore-edge Painting is a type of book decoration. Germinating in the 10th century in Europe, it revived and prospered during the second half of the 18th century, when a number of books with foreedge paintings emerged. This technology spread…
View article: Smoothed particle hydrodynamics (SPH) simulation and experimental investigation on the diamond fly-cutting milling of zirconia ceramics
Smoothed particle hydrodynamics (SPH) simulation and experimental investigation on the diamond fly-cutting milling of zirconia ceramics Open
This paper presents a more efficient ultra-precision diamond fly-cutting method to achieve the damage-free surface machining of hard-brittle zirconia ceramics at one time instead of the traditional abrasive-based processes. Firstly, the sm…
View article: Semi-Analytical Modelling of Synthetic Static Stiffness for Machining System of Five Axis Machine Tool
Semi-Analytical Modelling of Synthetic Static Stiffness for Machining System of Five Axis Machine Tool Open
A static stiffness model of the machine tool end considering the whole kinematic chain of the machining system is proposed. The whole kinematic chain is divided into the cutter subsystem and the handle-spindle-motion axes subsystem. The tw…
View article: Tool orientation planning for minimizing surface error in five-axis machining of copper alloy
Tool orientation planning for minimizing surface error in five-axis machining of copper alloy Open
Five-axis machining is increasingly applied in manufacturing complicated parts, such as blade of numerous-blade propeller rotor and compressor impeller, benefit from providing enough accessible space of the tool orientation. Then it become…
View article: Study of the Effect of Tool Orientation on Surface Roughness in Five-Axis Milling of 300M Steel
Study of the Effect of Tool Orientation on Surface Roughness in Five-Axis Milling of 300M Steel Open
The tool position deviation will affect the surface quality, especially for ultra high strength and high hardness materials, such as aircraft landing gear, engine impeller of high strength and high hardness of the hard machining aviation p…