181 Result(s)

Article

Multimode Design and Analysis of an Integrated Leg-Arm Quadruped Robot with Deployable Characteristics

To improve locomotion and operation integration, this paper presents an integrated leg-arm quadruped robot (ILQR) that has a reconfigurable joint. First, the reconfigurable joint is designed and assembled at t...

Fuqun Zhao, Yifan Wu, **nhua Yang, **lun Ding… in Chinese Journal of Mechanical Engineering (2024)

Article

Improvement in corrosion resistance of Mg₉₇Zn₁Y₂ alloy by Zr addition

Magnesium alloys, known for their exceptional lightweight properties, have presented challenges in various applications due to their limited corrosion resistance. In this study, the corrosion resistance of Mg₉₇Zn

Di-qing Wan, Yu-meng Sun, Yan-dan Xue, Shao-yun Dong, Guo-liang Han… in China Foundry (2024)

Article

Effects of diamond particle size on microstructure and properties of diamond/Al-12Si composites prepared by vacuum-assisted pressure infiltration

Diamond/aluminium composites have attracted attention in the field of thermal management of electronic packaging for their excellent properties. In order to solve the interfacial problem between diamond and al...

Jia-** Fu, Can-xu Zhou, Guo-fa Mi, Yuan Liu in China Foundry (2024)

Article

Regression Method for Rail Fastener Tightness Based on Center-Line Projection Distance Feature and Neural Network

In the railway system, fasteners have the functions of dam**, maintaining the track distance, and adjusting the track level. Therefore, routine maintenance and inspection of fasteners are important to ensure...

Yuanhang Wang, Duxin Liu, Sheng Guo, Yifan Wu… in Chinese Journal of Mechanical Engineering (2024)

Article

Model Parameters Identification and Backstep** Control of Lower Limb Exoskeleton Based on Enhanced Whale Algorithm

Exoskeletons generally require accurate dynamic models to design the model-based controller conveniently under the human-robot interaction condition. However, due to unknown model parameters such as the mass, ...

Yan Shi, Jiange Kou, Zhenlei Chen, Yixuan Wang… in Chinese Journal of Mechanical Engineering (2024)

Article

Configuration and Kinematics of a 3-DOF Generalized Spherical Parallel Mechanism for Ankle Rehabilitation

The kinematic equivalent model of an existing ankle-rehabilitation robot is inconsistent with the anatomical structure of the human ankle, which influences the rehabilitation effect. Therefore, this study equa...

Jianjun Zhang, Shuai Yang, Chenglei Liu… in Chinese Journal of Mechanical Engineering (2024)

Article

Interfacial reaction between AZ91D magnesium alloy melt and mild steel under high temperature

The metallurgical quality control of magnesium (Mg) and Mg alloys in melting process is required to ensure a satisfied mechanical and corrosion performance, while the typical used steel crucible introduces imp...

Jia-hong Dai, Jian-yue Zhang, Bin Jiang, **ang-jun Xu, Zhong-tao Jiang… in China Foundry (2024)

Article

Microstructure and properties of LZQT600-3 HCCDIBs for plunger pump cylinder

It is important to improve the comprehensive performance of the ductile iron bars (DIBs) for the cylinder block of the extra high pressure hydraulic plunger pump and accelerate the industrial application. In t...

Chun-jie Xu, Yuan-ying **, Dong Ma, Zhen Zhao, Jia-wei Qi, Shang Sui… in China Foundry (2024)

Article

A Dual-Task Learning Approach for Bearing Anomaly Detection and State Evaluation of Safe Region

Predictive maintenance has emerged as an effective tool for curbing maintenance costs, yet prevailing research predominantly concentrates on the abnormal phases. Within the ostensibly stable healthy phase, the...

Yuhua Yin, Zhiliang Liu, Bin Guo, Mingjian Zuo in Chinese Journal of Mechanical Engineering (2024)

Article

Innovations in metallurgical and materials processes: advancing liquid theory and honoring Prof. Han-jie Guo’s contributions to physical chemistry in metallurgy

Shuai Liu, **g Guo, Han-jie Guo in Journal of Iron and Steel Research International (2024)

Article

Multi-physical fields distribution in billet during helical electromagnetic stirring: A numerical simulation research

Electromagnetic stirring is one of the widely applied techniques to modify the quality of casting billets. Different from conventional rotate stirring, the helical stirring is more professional in assisting mu...

Dong Pan, Qing-tao Guo, Kai-lun Zhang, Fu-zhi Yu, Yu-ying Li, Yu-bao **ao in China Foundry (2024)

Article

Effect of slow shot speed on externally solidified crystal, porosity and tensile property in a newly developed high-pressure die-cast Al-Si alloy

The effect of slow shot speed on externally solidified crystal (ESC), porosity and tensile property in a newly developed high-pressure die-cast Al-Si alloy was investigated by optical microscopy (OM), scanning...

Wen-ning Liu, Wei Zhang, Peng-yue Wang, Yi-xian Liu, **ang-yi Jiao… in China Foundry (2024)

Article

Progress in preparation of AlN-reinforced magnesium matrix composites: A review

As a ceramic material, AlN has very good thermophysical and mechanical properties. In addition, AlN is an effective refining agent for Mg alloys because it has a lattice constant similar to that of Mg. Therefo...

Lu Chen, Shu-lin Lü, Di-jia Zhao, Wei Guo, Jian-yu Li, Shu-sen Wu in China Foundry (2024)

Article

Design of A Novel Wheel-Legged Robot with Rim Shape Changeable Wheels

The wheel-legged hybrid structure has been utilized by ground mobile platforms in recent years to achieve good mobility on both flat surfaces and rough terrain. However, most of the wheel-legged robots only ha...

Ze Fu, Hao Xu, Yinghui Li, Weizhong Guo in Chinese Journal of Mechanical Engineering (2023)

Article

End-to-End Joint Multi-Object Detection and Tracking for Intelligent Transportation Systems

Environment perception is one of the most critical technology of intelligent transportation systems (ITS). Motion interaction between multiple vehicles in ITS makes it important to perform multi-object trackin...

Qing Xu, Xuewu Lin, Mengchi Cai, Yu-ang Guo… in Chinese Journal of Mechanical Engineering (2023)

Article

A New Dynamics Analysis Model for Five-Axis Machining of Curved Surface Based on Dimension Reduction and Map**

The equipment used in various fields contains an increasing number of parts with curved surfaces of increasing size. Five-axis computer numerical control (CNC) milling is the main parts machining method, while...

Minglong Guo, Zhaocheng Wei, Minjie Wang… in Chinese Journal of Mechanical Engineering (2023)

Article

FFT-Based Numerical Method for Nonlinear Elastic Contact

In theoretical research pertaining to sealing, a contact model must be used to obtain the leakage channel. However, for elastoplastic contact, current numerical methods require a long calculation time. Hyperel...

Fei Guo, Fan Wu, **nyong Li, Yijie Huang… in Chinese Journal of Mechanical Engineering (2023)

Article

Vote-Based Feature Selection Method for Stratigraphic Recognition in Tunnelling Process of Shield Machine

Shield machines are currently the main tool for underground tunnel construction. Due to the complexity and variability of the underground construction environment, it is necessary to accurately identify the gr...

Liman Yang, Xuze Guo, Jianfu Chen, Yixuan Wang… in Chinese Journal of Mechanical Engineering (2023)

Article

Surface Characterization and Tribology Behavior of PMMA Processed by Excimer Laser

Polyoxymethylene methacrylate (PMMA) is widely used in ophthalmic biomaterials. Misuse of PMMA in extreme environments is likely to damage the ocular surface and intraocular structures. The surface characteriz...

Dong Qin, Juan Guo, Ming Liang, Ling Chen… in Chinese Journal of Mechanical Engineering (2023)

Article

Configuration Synthesis and Lightweight Networking of Deployable Mechanism Based on a Novel Pyramid Module

Deployable mechanism with preferable deployable performance, strong expansibility, and lightweight has attracted much attention because of their potential in aerospace. A basic deployable pyramid unit with goo...

**wei Guo, Jianliang He, Guoxing Zhang… in Chinese Journal of Mechanical Engineering (2023)