Recent Articles

Open access

ISSN: 1000-9345
CN: 11-2737/TH
e-ISSN: 2192-8258

Design and meshing characteristics analysis of a harmonic drive three-dimensional tooth profile based on addendum modification

Existing research on harmonic drive gears mainly focuses on two-dimensional tooth profile design and simple modification along the tooth direction. Three-dimensional redesign of the tooth profile can...

Tooth profile modification and meshing characteristics for a novel precision movable tooth drive based on logarithmic spiral

The logarithmic spiral movable tooth driver (LSMTD) is a new type of precision heavy-duty transmission, which is expected to solve the coexistence of high precision, strong overload and high-power density...

Theoretical and experimental research on two-dimensional piston dynamic flowmeter

Dynamic flow signals and pressure signals can directly respond to the dynamic characteristics of the hydraulic system. This paper introduces a two-dimensional (2D) piston dynamic flowmeter that features...

Shipboard wire arc additive manufacturing under oscillatory conditions: Process analysis and forming characteristics

The shipboard Wire Arc Additive Manufacturing (WAAM) provides the potential for the production and repair of critical components during offshore operations, enabling rapid, on-demand fabrication in...

Study on structure optimization of a load port-independent double-spool electro-hydraulic valve

To improve the dynamic characteristics of an electro-hydraulic valve system with an independent double-valve core at the load port, this study derives the system state space equation of the main stage...

Improved steerable needle: Design, control, and validation

Actively steerable needles have received increasing attention owing to their ability to reduce puncture deviations and enhance precision in minimally invasive procedures. However, the existing needle...

Advancements and theoretical foundations of cable-driven parallel robots: A comprehensive overview

Parallel robotic mechanisms using cables instead of rigid limbs are termed cable-driven parallel robots (CDPRs). Electric motors and pulley mechanisms actuate cables to provide motion for an end-effector...

A review of cyber-physical security for intelligent connected vehicles

Intelligent connected vehicles (ICVs) integrate advanced communication, sensing, and computing technologies to significantly enhance traffic efficiency, safety, and driving experience. However, its...

Testing through conflict: Cloud-coordinated closed-field testing for multi-agent continuous interaction scenarios

Testing intelligent connected vehicles (ICVs) in closed-field environments requires recreating dynamic and high-risk multi-agent interactions that closely reflect real-world driving conditions. Existing...

A novel tool path planning algorithm of denture grinding based on iso-planar method

Dental restorations feature intricate surface contours, necessitating an effective path planning strategy of grinding tools to achieve precise outcomes. A novel tool path generation strategy based on...

Road surface status recognition and estimation: State-of-the-art review and research perspectives

Accurate recognition and estimation of road state in real-time is an important prerequisite for vehicle driving safety, transient handling stability, ride comfort, and other performance. In order to...

Driving-style-augmented aggressiveness-aware decision making for autonomous vehicles

To achieve safer and more efficient lane-change for autonomous vehicles, this study proposed a novel driving aggressiveness-aware decision-making method based on deep reinforcement learning with considering...

Reinforcement learning based on-ramp merging decision-making and control strategy for connected and automated vehicles in mixed traffic

In the challenging context of mixed traffic environments, ensuring that connected and automated vehicles (CAVs) can make flexible merging decisions that balance optimality and computational efficiency...

Review on reliability technology for high-end CNC machine tools: Overview and prospect

After several years of research on the reliability of CNC machine tools, many theories and technologies have been developed, which have improved the reliability level of economical CNC machine tools...

Improvement of mechanical and operational properties of PcBN utilizing TiN coated powders: Experimental evaluation and theoretical basement

The paper discusses the results of the experimental investigation of the structure, mechanical properties and the performance of the new PcBN composites, obtained from cBN powders with TiN coating in...

Elastic-plastic nonlinear contact model for rough interfaces based on monotonically continuous contact pressure

The contact pressure of an asperity is the fundamental parameter for constructing a single asperity contact model and analyzing the contact load and contact stiffness of the mechanical joint surfaces....

An improved FMECA method for CNC machine tools based on combined-variable weight and cloud model

As core equipment in modern manufacturing, the reliability of computer numerical control (CNC) machine tools directly impacts factory production efficiency and product quality. Failure mode, effects...

Self-Supervised Sequence Learning Framework for Monocular Visual Odometry with Spatio-Temporal Correlation

Visual odometry (VO) estimates the ego-motion of moving objects from consecutive image sequences captured by single or multiple on-board cameras. Most existing VO methods only estimate the pose from...

Unveiling Tribological Mechanisms of MoS2 Coatings on FeNiCr Alloys via Molecular Dynamics and Machine Learning

Understanding how the friction and wear of MoS2 coatings on alloy surfaces vary with operating conditions remains limited, and predicting the coefficient of friction (COF) is challenging due to nonlinear...

A Review of Research on Wear and Intelligent Health Management of the Axial Piston Pump

The axial piston pump is widely used in aerospace and other industrial fields due to its high pressure, high efficiency, and flexible flow regulation. Due to the long-term high-speed, high-pressure...

An Improved Analytical Method for Gear Load Distribution and Mesh Stiffness Considering Axial Coupling Stiffness

The slice method is commonly employed to address the situation with uneven deformations and load distributions along the axial direction. However, discrepancies in load distribution along the contact...

Vibration Signal Modeling and Damage Detection of Crankshaft Bearing in Rotary Vector Reducer

As a core component in industrial robots, the rotary vector (RV) reducer bears heavy static load as well as volatile dynamic load during operations. Therefore, the RV reducer is prone to premature damage,...

Influence mechanism and control method of axial roll rotational speed for stable radial-axial ring rolling process

Radial-axial ring rolling (RARR) is an advanced incremental forming technology used to manufacture seamless rings, especially large-scale rings. Maintaining a stable rolling process is required to form...

An Improved Harmony Search-Genetic Algorithm for Distributed Inventory Sharing in Industrial Clusters

To address high inventory levels in manufacturing agglomeration areas, this study develops a shared inventory model based on the characteristics of manufacturing clusters, integrating a distributed...

Terahertz Detection of Defect Evolution in Thermal Barrier Coatings through Total Variation Fusion Imaging

Thermal barrier coatings (TBCs) are widely employed in aviation engines due to their high thermal insulation properties. However, the formation of thermally grown oxide (TGO) during thermal cycling...

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