Recent Articles

Open access

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

Adaptive robust control of multi-DOF hydraulic manipulator with precise online load estimation

Hydraulic manipulator shows vast application potential in heavy load working conditions. However, achieving high control precision in these devices is notably more challenging compared to electric manipulators,...

Statistical and experimental study of effects of process parameters on Ti-6Al-4V coaxial wire-feed laser cladding

Three-beam wire-feed laser cladding, which generates a uniform energy distribution with a wire vertically fed into the molten pool, is a promising additive manufacturing technology. In this study, an...

Analysis, modeling, and experimental evaluation of a double-stator piezoelectric inertial actuator driven by different phase angles of the driving current

In dual-stator inertial piezoelectric actuators, the effect of the phase angle of the driving current (PADC) on output performance is poorly understood. In particular, the influence of different phase...

Improved drag reduction properties of biomimetic surface with cross-scale arrayed structures based on a comparative simulation study

Current drag reduction research predominantly focuses on micro-scale surface modifications inspired by sharkskin or riblet textures, often overlooking the synergistic effect of macro- and micro-scale...

Stiffness evaluation and experimental test of a novel redundantly actuated parallel machining robot

Parallel machining robot is a new type of robotized equipment for high-efficiency machining structural components with complex geometries. Terminal rigidity is of great importance index for such type...

A general construction method of reconfigurable deployable polyhedral mechanisms with the circumscribed sphere

The current research of the construction of reconfigurable deployable polyhedral mechanisms (RDPMs) has predominantly focused on regular and Archimedean polyhedra. However, the construction methods...

Fully flexible wearable pouch pneumatic artificial muscle based on asymmetric expansion

Pneumatic artificial muscle (PAM) is the core actuating component in wearable devices and soft robots. It typically incorporates rigid elements to enhance actuation performance, leading to reduced wear...

Research on the reliability of motion accuracy for ammunition conveyor in artillery automatic loading system

The automatic loading systems of artillery are critical for the accurate, efficient, and reliable delivery of projectiles and propellants into the gun chamber. In modern artillery, the ammunition conveyor...

Optimal design of a novel dual-axis parallel solar tracker

Being renewable and readily available, solar energy has gained significant attention in addressing the global energy crisis and climate change. The efficiency of solar-energy harvesting using a concentrator...

Mechanical-thermal coupling model and fatigue life analysis of axle-box bearings of high-speed train

The axle box bearings of high-speed trains often operate in extremely harsh environments, bearing loads from different directions. Long-term operation and frequent changes in working conditions can...

Parameter identification method of multi-particle model for lithium-ion batteries

Electrochemical models, characterized by high fidelity and physical interpretability, have been applied in various fields such as fast charging, battery state estimation, and battery material design....

Achieving favorable surface quality of titanium alloy during electropolishing process with recyclable alcohol-based electrolyte

The alcohol-based electrolyte exhibits excellent electropolishing properties for titanium alloys. However, its polishing effectiveness diminishes and the ability to polish is weakened or even lost after...

Integrated topology optimization method for crashworthiness of metal-FRP hybrid thin-walled tubes: A review and analysis

Based on the demands for crashworthiness and lightweight in the passive safety of transportation vehicles, metal-fiber reinforced polymer (FRP) hybrid thin-walled tubes (MFHTWTs) integrate the toughness,...

Research on hill start assist control with ASR for electric vehicles on split-μ road

When the vehicle is on a split-μ ramp and is restricted by the differential's torque-equalizing characteristic, a significant functional conflict may occur between the driving force limitation requirement...

Prediction of laser welding deformation using a deep learning model optimized by a differential evolution algorithm

Welding deformation adversely affects the quality and precision of structural components, and traditional methods require significant material resources and time. Machine learning has demonstrated exceptional...

A method for enhancing the output force of a stroke-controlled electro-mechanical converter of 2D servo-proportional valves based on the principle of “magnetic dam”

Force-controlled electro-mechanical converter (FCEMC) commonly drives two-dimensional servo-proportional valve (2D-SPV) but requires external mechanical springs, complicating the structure and reducing...

Elastohydrodynamic lubrication mechanism and grinding force prediction for high-shear and low-pressure grinding with a flexible ball-end body-armor-like abrasive tool

The surfaces of brittle materials are susceptible to defects such as scratches, cracks, and chipping during conventional grinding processes, which significantly compromise surface quality and service...

Resonance frequency band analysis-based shock pulse method for quantitative characterization of bearing fault

The quantitative diagnosis of bearing failures is pivotal to ensuring equipment reliability and safety. The Shock Pulse Method (SPM) represents an effective technique for quantitative diagnostics. However,...

Mechanical properties of olive bionic lattice structure prepared by LPBF

In this study, the shell structure of olives in nature was modeled, and a high-porosity bionic olive body-centered cubic structure (BCCO) with reinforcement structures of circular support (BCCR) and...

Fabrication and formation mechanism of polymer microgroove wicks by hot-pressing

Flexible electronics necessitate vapor chambers with flexibility and high thermal conductivity. Polymer materials are suitable for fabricating flexible vapor chambers due to their flexibility, lightweight,...

Type synthesis method of high-precision double-layer parallel pointing mechanism

The space pointing mechanism is widely used in radio astronomy, aerospace and other fields, and has high requirements for its pointing accuracy and stability. The pointing mechanism will be affected...

XJTU-DV: Open-source dynamic vision dataset for non-contact vibration measurement and fault diagnosis of mechanical systems

Vibration measurement is of great importance for fault diagnosis and prognosis of mechanical systems in the literature. Non-contact vibration measurement methods have been attracting growing attention...

Influence mechanism of surface treatment on the wear and adhesion at the frictional interface of 2A14T6 aluminum alloy

Current research on satellite and rocket separation structures mainly focuses on structural design and finite element stress analysis. The strap locking device, which has the advantages of high separation...

Modeling of bolted beam utilizing modified joint element and identification of contact parameters at the joint

Research on the modeling of bolted connection structures primarily centers on the characterization of the connection interface. Accurate equivalent modeling of the connection interface is crucial for...

Optimization of a self-tuning force control system for the milling process using a dynamic enhanced genetic algorithm

When milling structural components with varying axial depths and widths, cutting forces tend to fluctuate, negatively impacting tool life and machining accuracy. To mitigate the force fluctuations and...

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