Articles

A Review on Self-Recovery Regulation (SR) Technique for Unbalance Vibration of High-End Equipment

The high-end equipment represented by high-end machine tools and aero-engines is the core component of the national intelligent manufacturing plan, and the mass unbalance is the main reason for its excessive v...

Authors: Xin Pan, Jiaqiao Lu, Jiaji Huo, Jinji Gao and Haiqi Wu

Analysis of the Microstructure and Mechanical Properties during Inertia Friction Welding of the Near-α TA19 Titanium Alloy

The current research of titanium alloy on friction welding process in the field of aero-engines mainly focuses on the linear friction welding. Compared to the linear friction welding, inertial friction welding...

Authors: Yanquan Wu, Chunbo Zhang, Jun Zhou, Wu Liang and Yunlei Li

A Comprehensive Review of Isogeometric Topology Optimization: Methods, Applications and Prospects

Topology Optimization (TO) is a powerful numerical technique to determine the optimal material layout in a design domain, which has accepted considerable developments in recent years. The classic Finite Elemen...

Authors: Jie Gao, Mi Xiao, Yan Zhang and Liang Gao

New Hybrid AD Methodology for Minimizing the Total Amount of Information Content: A Case Study of Rehabilitation Robot Design

Converting customer needs into specific forms and providing consumers with services are crucial in product design. Currently, conversion is no longer difficult due to the development of modern technology, and ...

Authors: Tao Yang, Xueshan Gao and Fuquan Dai

Tire Dynamics Modeling Method Based on Rapid Test Method

Combined with the tire dynamics theoretical model, a rapid test method to obtain tire lateral and longitudinal both steady-state and transient characteristics only based on the tire quasi-steady-state test res...

Authors: Dang Lu, Lei Lu, Haidong Wu, Wei Wang and Manyi Lv

A Sensitivity Mapping Technique for Tensile Force and Case Depth Characterization Based on Magnetic Minor Hysteresis Loops

In the nondestructive testing and evaluation area, magnetic major hysteresis loop measurement technology are widely applied for ferromagnetic material evaluation. However the characterization ability of major ...

Authors: Cunfu He, Wenqiao Dou, Xiucheng Liu, Meng Yang and Ruifang Zhang

Amending Research on the Expression of the Contact Force of the Spindle Barrel Finishing Based on EDEM Simulation

The spindle barrel finishing is commonly used to improve the surface integrity of the important parts of the high-end equipment while it is difficult to provide enough test artifacts for the traditional trial ...

Authors: Na Wang, Shengqiang Yang, Tingting Zhao, Bo Cao and Chengwei Wang

Special Issue on Reconfigurable Robots

Authors: Jinguo Liu, Yuwang Liu and Guangbo Hao

Constraint and Mobility Change Analysis of Rubik’s Cube-inspired Reconfigurable Joints and Corresponding Parallel Mechanisms

The current research of reconfigurable parallel mechanism mainly focuses on the construction of reconfigurable joints. Compared with the method of changing the mobility by physical locking joints, the geometri...

Authors: Duanling Li, Pu Jia, Jiazhou Li, Dan Zhang and Xianwen Kong

Development and Analysis of a Closed-Chain Wheel-Leg Mobile Platform

Current research concerning legged platforms and wheeled platforms primarily focuses on terrain adaptive capability and speed capability, respectively. Compared with wheeled platforms, legged platforms with a ...

Authors: Chaoran Wei, Yanan Yao, Jianxu Wu and Ran Liu

Mechanism, Actuation, Perception, and Control of Highly Dynamic Multilegged Robots: A Review

Multilegged robots have the potential to serve as assistants for humans, replacing them in performing dangerous, dull, or unclean tasks. However, they are still far from being sufficiently versatile and robust...

Authors: Jun He and Feng Gao

A New Method for Type Synthesis of 2R1T and 2T1R 3-DOF Redundant Actuated Parallel Mechanisms with Closed Loop Units

The current type synthesis of the redundant actuated parallel mechanisms is adding active-actuated kinematic branches on the basis of the traditional parallel mechanisms, or using screw theory to perform multi...

Authors: Yongquan Li, Yang Zhang and Lijie Zhang

Practical Structural Design Approach of Multiconfiguration Planar Single-Loop Metamorphic Mechanism with a Single Actuator

As a type of multiconfiguration mechanism that can operate in an under-actuated state, metamorphic mechanisms were proposed more than two decades ago and attracted significant interest. Studies on structural s...

Authors: Qiang Yang, Guangbo Hao, Shujun Li, Hongguang Wang and Haiyang Li

Investigation on Yield Behavior of 7075-T6 Aluminum Alloy at Elevated Temperatures

Aluminum alloys have drawn considerable attention in the area of automotive lightweight. High strength aluminum alloys are usually deformed at elevated temperatures due to their poor formability at room temper...

Authors: Jianping Lin, Xingyu Bao, Yong Hou, Junying Min, Xinlei Qu, Zhimin Tao and Jiajie Chen

A Stiffness Variable Passive Compliance Device with Reconfigurable Elastic Inner Skeleton and Origami Shell

Devices with variable stiffness are drawing more and more attention with the growing interests of human-robot interaction, wearable robotics, rehabilitation robotics, etc. In this paper, the authors report on ...

Authors: Zhuang Zhang, Genliang Chen, Weicheng Fan, Wei Yan, Lingyu Kong and Hao Wang

Intelligent Modularized Reconfigurable Mechanisms for Robots: Development and Experiment

With the development of intelligent flexible manufacturing, traditional industrial manipulators with a single configuration are difficult to meet a variety of tasks. Reconfigurable robots have developed rapidl...

Authors: Wenfu Xu, Liang Han, Xin Wang, Han Yuan and Bin Liang

Blade Segment with a 3D Lattice of Diamond Grits Fabricated via an Additive Manufacturing Process

Diamond tools with orderly arrangements of diamond grits have drawn considerable attention in the machining field owing to their outstanding advantages of high sharpness and long service life. This diamond sup...

Authors: Bin Chen, Peng Chen, Yongjun Huang, Xiangxi Xu, Yibo Liu and Shuangxi Wang

A New Method to Calculate Water Film Stiffness and Damping for Water Lubricated Bearing with Multiple Axial Grooves

Water lubricated guide bearings for hydro turbines and pumps are conventionally designed with multiple axial grooves to provide effectively cooling and flushing away abrasives. Due to the variety of groove con...

Authors: Guojun Ren

Obstacle Avoidance and Multitarget Tracking of a Super Redundant Modular Manipulator Based on Bezier Curve and Particle Swarm Optimization

A super redundant serpentine manipulator has slender structure and multiple degrees of freedom. It can travel through narrow spaces and move in complex spaces. This manipulator is composed of many modules that...

Authors: Li Chen, Ying Ma, Yu Zhang and Jinguo Liu

Design of Self-Reconfigurable Multiarm Robot Mechanism Based on Deployable Kinematic Chains

As the structures of multiarm robots are serially arranged, the packaging and transportation of these robots are often inconvenient. The ability of these robots to operate objects must also be improved. Addres...

Authors: Fu-Qun Zhao, Sheng Guo, Hai-Jun Su, Hai-Bo Qu and Ya-Qiong Chen

Effect of Mechanical Surface Treatment on the Bonding Mechanism and Properties of Cold-Rolled Cu/Al Clad Plate

In the case of valuable cold-rolled Cu/Al clad plates, billet surface treatment before rolling is a significant process that can affect the bonding efficiency and quality. While the current studies primarily f...

Authors: Jianchao Han, Hui Niu, Sha Li, Zhongkai Ren, Yi Jia, Tao Wang, A. I. Plokhikh and Qingxue Huang

Novel Surface Design of Deployable Reflector Antenna Based on Polar Scissor Structures

Space-deployable mechanisms can be used as supporting structures for large-diameter antennas in space engineering. This study proposes a novel method for constructing the surface design of space reflector ante...

Authors: Pengyuan Zhao, Jinguo Liu, Chenchen Wu, Yangmin Li and Keli Chen

Cavitation of a Submerged Jet at the Spherical Valve Plate/Cylinder Block Interface for Axial Piston Pump

The spherical valve plate/cylinder block pair has the advantages of strong overturning resistance and large bearing area. However, the configurations of the unloading and pre-boosting triangular grooves on the...

Authors: Bin Zhao, Weiwei Guo and Long Quan

Review and Analysis of Key Techniques in Marine Sediment Sampling

Deep-sea sediment is extremely important in marine scientific research, such as that concerning marine geology and microbial communities. The research findings are closely related to the in-situ information of...

Authors: Shudong He, Youduo Peng, Yongping Jin, Buyan Wan and Guangping Liu

A Novel Ni-Free Zr-Based Bulk Metallic Glass with High Glass Forming Ability, Corrosion Resistance and Thermal Stability

Zr-based Bulk metallic glasses exhibit incredible corrosion resistance and glass forming ability, however, these properties need further enhancement to meet the practical use. In this study, Zr₆₃Fe_2.5Cu₂₃Al_11.5, ...

Authors: Yu Luo, Yidong Jiang, Pei Zhang, Xin Wang, Haibo Ke and Pengcheng Zhang

Hot Extrusion Processing of Al–Li Alloy Profiles and Related Issues: A Review

Al–Li alloy is a new structural material with the advantages of lightweight and high strength. The extrusion profiles of Al–Li alloy are widely used in aerospace and other fields, which can significantly reduc...

Authors: Yongxiao Wang and Guoqun Zhao

Design of Vegetable Pot Seedling Pick-up Mechanism with Planetary Gear Train

It has been challenging to design seedling pick-up mechanism based on given key points and trajectories, because it involves dimensional synthesis and rod length optimization. In this paper, the dimensional sy...

Authors: Zhipeng Tong, Gaohong Yu, Xiong Zhao, Pengfei Liu and Bingliang Ye

A Survey of Mathematical Tools in Topology and Performance Integrated Modeling and Design of Robotic Mechanism

Topology and performance are the two main topics dealt in the development of robotic mechanisms. However, it is still a challenge to connect them by integrating the modeling and design process of both parts in...

Authors: Xinming Huo, Shuofei Yang, Binbin Lian, Tao Sun and Yimin Song

Parallel Distributed Compensation /H_∞ Control of Lane-keeping System Based on the Takagi-Sugeno Fuzzy Model

Current research on lane-keeping systems ignores the effect of the driver and external resistance on the accuracy of tracking the lane centerline. To reduce the lateral deviation of the vehicle, a lane-keeping...

Authors: Wuwei Chen, Linfeng Zhao, Huiran Wang and Yangcheng Huang

Combined Prediction for Vehicle Speed with Fixed Route

Achieving accurate speed prediction provides the most critical support parameter for high-level energy management of plug-in hybrid electric vehicles. Nowadays, people often drive a vehicle on fixed routes in ...

Authors: Lipeng Zhang, Wei Liu and Bingnan Qi

Temperature Field Simulation and Experimental Study of Anti-backlash Single-Roller Enveloping Hourglass Worm Gear

In gear transmission, temperature rise has a non-negligible impact on the accuracy, noise and transmission efficiency. However, there is no relevant research on the temperature rise of the anti-backlash single...

Authors: Shisong Wang, Shike Wang, Jie Wang and Xingqiao Deng

Intelligent Manufacturing Systems in COVID-19 Pandemic and Beyond: Framework and Impact Assessment

Pandemics like COVID-19 have created a spreading and ever-higher healthy threat to the humans in the manufacturing system which incurs severe disruptions and complex issues to industrial networks. The intellig...

Authors: Xingyu Li, Baicun Wang, Chao Liu, Theodor Freiheit and Bogdan I. Epureanu

Preparation of Nickel-Cobalt/Carborundum Carbide Composite Coatings by Supergravity Field-Enhanced Electrodeposition

Nickel-cobalt/silicon carbide (Ni-Co/SiC) composite coatings were fabricated by supergravity field-enhanced electrodeposition. The surface morphology and the distribution of the SiC particles in the coatings w...

Authors: Xiaoyun Hu and Ningsong Qu

Compound Impedance Control of a Hydraulic Driven Parallel 3UPS/S Manipulator

The hydraulic parallel manipulator combines the high-power density of the hydraulic system and high rigidity of the parallel mechanism with excellent load-carrying capacity. However, the high-precision traject...

Authors: Lihang Wang, Shaofei Cui, Chong Ma and Lijie Zhang

Formability of Materials with Small Tools in Incremental Forming

Single point incremental forming (SPIF) is an innovative sheet forming process with a high economic pay-off. The formability in this process can be maximized by executing forming with a tool of specific small ...

Authors: Hongyu Wei, G. Hussain, X. Shi, B. B. L Isidore, Mohammed Alkahtani and Mustufa Haider Abidi

Algebraic Method-Based Point-to-Point Trajectory Planning of an Under-Constrained Cable-Suspended Parallel Robot with Variable Angle and Height Cable Mast

To avoid impacts and vibrations during the processes of acceleration and deceleration while possessing flexible working ways for cable-suspended parallel robots (CSPRs), point-to-point trajectory planning dema...

Authors: Tao Zhao, Bin Zi, Sen Qian and Jiahao Zhao

Study on Cutting Force, Cutting Temperature and Machining Residual Stress in Precision Turning of Pure Iron with Different Grain Sizes

Pure iron is one of the difficult-to-machine materials due to its large chip deformation, adhesion, work-hardening, and built-up edges formation during machining. This leads to a large workpiece deformation an...

Authors: Yinfei Yang, Lu Jin, Jinpeng Zhu, Jinxing Kong and Liang Li

Dynamic Stiffness Analysis and Experimental Verification of Axial Magnetic Bearing Based on Air Gap Flux Variation in Magnetically Suspended Molecular Pump

Current and displacement stiffness are important parameters of axial magnetic bearing (AMB) and are usually considered as constants for the control system. However, in actual dynamic work situations, time-vary...

Authors: Jinji Sun, Wanting Wei, Jiqiang Tang and Chun-E Wang

A Comparative Study of Fractional Order Models on State of Charge Estimation for Lithium Ion Batteries

State of charge (SOC) estimation for lithium ion batteries plays a critical role in battery management systems for electric vehicles. Battery fractional order models (FOMs) which come from frequency-domain mod...

Authors: Jinpeng Tian, Rui Xiong, Weixiang Shen and Ju Wang

Configuration Synthesis and Performance Analysis of 9-Speed Automatic Transmissions

Current research of automatic transmission (AT) mainly focuses on the improvement of driving performance, and configuration innovation is one of the main research directions. However, finding new configuration...

Authors: Huafeng Ding, Changwang Cai, Ziming Chen, Tao Ke and Bowen Mao

Design of a Passive Gait-based Ankle-foot Exoskeleton with Self-adaptive Capability

Propulsion during push-off is the key to realizing human locomotion. Humans have evolved a way of walking with high energy utilization, but it can be further improved. Drawing inspiration from the muscle-tendo...

Authors: Xiangyang Wang, Sheng Guo, Bojian Qu, Majun Song and Haibo Qu

Normal Force and Sag Resistance of Pipe Conveyor

Pipe belt conveyor is a new type of environmentally friendly and efficient bulk conveying equipment. In the design of the roller, the belt and the driving motor of pipe belt conveyor, the sag resistance is a k...

Authors: Shuaiping Guo, Wei Huang and Xuejun Li

Keep Healthcare Workers Safe: Application of Teleoperated Robot in Isolation Ward for COVID-19 Prevention and Control

Authors: Geng Yang, Honghao Lv, Zhiyu Zhang, Liu Yang, Jia Deng, Siqi You, Juan Du and Huayong Yang

Anomalies in Special Permutation Flow Shop Scheduling Problems

Recent researches show that there are some anomalies, which are not satisfied with common sense, appearing in some special permutation flow shop scheduling problems (PFSPs). These anomalies can be divided into...

Authors: Lin Gui, Liang Gao and Xinyu Li

Integrated Modelling of Microstructure Evolution and Mechanical Properties Prediction for Q&P Hot Stamping Process of Ultra-High Strength Steel

High strength steel products with good ductility can be produced via Q&P hot stamping process, while the phase transformation of the process is more complicated than common hot stamping since two-step quenchin...

Authors: Yang Chen, Huizhen Zhang, Johnston Jackie Tang, Xianhong Han and Zhenshan Cui

Dynamic Modeling and Analysis of 5-PSS/UPU Parallel Mechanism with Elastically Active Branched Chains

To study the characteristics of the 5-prismatic–spherical–spherical (PSS)/universal–prismatic–universal (UPU) parallel mechanism with elastically active branched chains, the dynamics modeling and solutions of ...

Authors: Yanbiao Li, Hang Zheng, Bo Chen, Peng Sun, Zesheng Wang, Kun Shuai and Yi Yue

Advanced Data Collection and Analysis in Data-Driven Manufacturing Process

The rapidly increasing demand and complexity of manufacturing process potentiates the usage of manufacturing data with the highest priority to achieve precise analyze and control, rather than using simplified ...

Authors: Ke Xu, Yingguang Li, Changqing Liu, Xu Liu, Xiaozhong Hao, James Gao and Paul G. Maropoulos

Progress in Bio-inspired Anti-solid Particle Erosion Materials: Learning from Nature but Going beyond Nature

Solid particle erosion is a common phenomenon in engineering fields, such as manufacturing, energy, military and aviation. However, with the rising industrial requirements, the development of anti-solid partic...

Authors: Shuaijun Zhang, Junqiu Zhang, Bin Zhu, Shichao Niu, Zhiwu Han and Luquan Ren

Remanufacturing Scheme Design for Used Parts Based on Incomplete Information Reconstruction

The different conditions of use of a component result in a variety of damage levels. Therefore, excluding differences in shape and size, used parts show a high degree of uncertainty regarding failure character...

Authors: Wenhao Huang, Zhigang Jiang, Teng Wang, Yan Wang and Xiaoli Hu

Improved Stiffness Modeling for An Exechon-Like Parallel Kinematic Machine (PKM) and Its Application

Hole drilling or contour milling for the large and complex workpieces such as automobile panels and aircraft fuselages makes a high combined demand on machining accuracy, stiffness and workspace of machining e...

Authors: Nanyan Shen, Liang Geng, Jing Li, Fei Ye, Zhuang Yu and Zirui Wang