Design and meshing characteristics analysis of a harmonic drive three-dimensional tooth profile based on addendum modification
December 2026
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
December 2026
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
December 2026
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
December 2026
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
December 2026
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...
Advancements and theoretical foundations of cable-driven parallel robots: A comprehensive overview
December 2026
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...
Testing through conflict: Cloud-coordinated closed-field testing for multi-agent continuous interaction scenarios
December 2026
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
December 2026
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
December 2026
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
December 2026
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...
Review on reliability technology for high-end CNC machine tools: Overview and prospect
December 2026
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...
Elastic-plastic nonlinear contact model for rough interfaces based on monotonically continuous contact pressure
December 2026
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
December 2026
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...
Global dynamical evolution and parameter sensitivity of a rub-impact rotor system with oil-film bearings
December 2026
The current research on the nonlinear evolution mechanisms of rub-impact rotor systems has predominantly focused on single-parameter variation analyses, with limited exploration of the system’s global...
Illumination-adaptive road surface detection system considering small target recognition
December 2026
Vision-based road surface detection plays a crucial role in ensuring the driving safety of autonomous vehicles. However, most existing methods primarily focus on daytime driving scenarios, with little...
Simulation and experimental investigation of the mechanical properties of wheel-rail contact for laser additive repaired rails using nickel-based powders
December 2026
To address the issues of unstable heat input and susceptibility to cracking in repair layers associated with existing severe rail damage repair techniques (e.g., welding repair), this study proposes...
NURBS-based optimization of roller bearing profiles for enhanced performance under angular misalignment
December 2026
Angular misalignment in roller bearings causes uneven contact pressure distribution, leading to reduced fatigue life and degraded performance. Existing roller profile designs, mostly based on logarithmic...
Foundation model-based federated learning for machine fault diagnosis
December 2026
Federated learning (FL) facilitates multiple enterprises to jointly train a powerful global model for machine fault diagnosis, while preserving the data privacy in each enterprise. However, data heterogeneity...
VLM-guided causal reasoning framework for cross-domain source-free industrial fault diagnosis
December 2026
Mechanical intelligent fault diagnosis (IFD) methods in cross-domain industrial environments are often constrained by data privacy regulations, distribution discrepancies between operating conditions,...
Optimization of knowledge graph search methods enabled by large language models with applications to fault diagnosis of electromechanical systems
December 2026
Under the trend of industrial intelligence upgrading, electromechanical systems serve as a crucial component for ensuring the normal operation of equipment. The accuracy of fault diagnosis directly...
In-plane modal characteristics of tire: An improved flexible ring model with damping and contact effects
December 2026
As tire is the only part of contact between a vehicle and the road, the dynamic response property of a tire under different loads is of great importance to fully understand the tire performance. Simplifying...
Adaptive memory-event-triggered fuzzy fault-tolerant control for active suspension system of in-wheel motor driven electric vehicles
December 2026
This article proposes an adaptive memory-event-triggered fuzzy fault-tolerant control algorithm for the active suspension systems of in-wheel motor-driven electric vehicles featuring an advanced dynamic...
Dynamic characteristics of rack vehicle under bridge pier settlement
December 2026
To study the basic dynamic characteristics of a rack vehicle system under pier settlement, a coupled dynamic model of the rack railway vehicle–rack (track)–bridge system in a mountain rack railway system...
Particle-flow topology optimization with the SPH kernel for hinge-free designs of compliant mechanisms using isogeometric material point method
December 2026
Compliant mechanisms, which achieve input-output functions through continuous elastic deformation, offer inherent advantages such as frictionless motion, absence of backlash, and suitability for microscale...
Coordinated control strategy for the engine startup of P2 hybrid electric vehicles equipped with dual-clutch transmission
December 2026
A novel coordinated control strategy for the engine startup of a P2 parallel hybrid electric vehicle (PHEV) equipped with a dual-clutch transmission is proposed to address the comfort deterioration...