1,019 Result(s)
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Article
A non-identification adaptive backstep** approach to global output feedback tracking control of nonlinear systems with input quantization
A new output feedback control approach is proposed to address the global practical tracking issue for a class of nonlinear input-quantization systems with polynomial growth condition, which introduces a non-id...
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Article
Enhanced wear resistance, antibacterial performance, and biocompatibility using nanotubes containing nano-Ag and bioceramics in vitro
理想的钛基关节植入物应避免力屏蔽, 且具有良好的生物活性和抗感染性能。为满足这些要求, 研究人员以低弹性模量合金Ti–35Nb–2Ta–3Zr为基底, 采用阳极化、沉积和旋涂等方法制备含有生物陶瓷和银离子的功能涂层, 并将其涂覆在TiO2纳米管 ((80 ± 20) nm 和(150 ± 40) nm) 表面。研究了生物陶瓷 (nano-β-TCP, micro-HA, meso-CaSiO3) 和Ag纳米颗粒 ((50...
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Correction to: Numerical control machining step error calculation based on hybrid particle swarm optimization method
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On the stability of Markov feedback loops of a microsystem
In the field of control engineering, there has been a growing emphasis on systems with feedback loops that involve stochastic factors. Simultaneously, with the advancements in probability theory, feedback loop...
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Article
Analysis of gas-liquid two-phase flow field with six working teeth spiral incremental cathode for deep special-shaped hole in ECM
Screw drill is one of the most widely used power drilling tools in the field of deep sea drilling because of its excellent performance such as low drilling speed, high torque, and strong overload capacity. How...
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Open AccessNanostructured lubricant additives for titanium alloy: Lubrication by the solid-liquid interface with Coulomb repulsion
In this work, the advantage of Coulomb repulsion in the intermolecular forces experienced by molecules on the solid-liquid nanosized contact interface is taken, and the superior friction-reducing property of Cu3(...
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A differential privacy-preserving federated learning scheme with predictive maintenance of wind turbines based on deep learning for feature compression and anomaly detection with state assessment
The transport and supply of traditional energy have been greatly affected, which has attracted the attention of countries worldwide and has become an urgent issue. Limited by its own traditional energy shortag...
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Article
Folding angle and wing flexibility influence the flight performance of origami winged fruits
Winged fruits possess a unique flight mechanism relying on simple geometric structures rather than neuromuscular control. This study proposes an innovative approach using origami techniques to create three-win...
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Mathematical modelling and cutter design for generating chamfering of transversal profile for cylindrical gears
Gear chamfering is a significant machining process to improve the work performance of gear transmission like smoothness, low noise, and endurance. However, manufacturing uniform distributed transversal profile...
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Research on die-less spinning by spherical roller of different radius
Die-less spinning is developed because of its advantages of low cost and high flexibility. The spherical roller has not been commonly used in the die-less spinning process. In previous studies, the sizes of th...
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Article
Optimization of bi-layered Y-shaped tube hydroforming using RSM
In this study, the use of response surface methodology (RSM) to design and optimize the primary process parameters for the hydroforming of bi-layered Y-shaped tubes with a new parallel backward punch is report...
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Article
Industry 4.0: review and proposal for implementing a smart factory
The word “Industry 4.0” was first introduced in 2011 at the Hannover Fair and created a wave of revolution in a wide variety of industries. Many organizations and companies want to improve manufacturing effici...
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Article
Stereo digital image correlation (3D-DIC) for non-contact measurement and refinement of delta robot arm displacement and jerk
This study proposes using the stereo digital image correlation (3D-DIC) method to measure the delta robot arm displacement and jerk to verify the robot arm end-effector position and improve the absolute accura...
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Article
Effects of spike-time-dependent plasticity on stochastic resonance in excitatory-inhibitory neuronal networks
The phenomenon in which the response of a neuronal network to a weak signal is significantly enhanced in moderate noise is known as stochastic resonance (SR). Most of the previous studies on the transmission o...
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Research on online prediction of deformation of thin-walled parts based on digital twin technology
Thin-walled parts are widely used in the aerospace field. They have the characteristics of large material removal during processing and are affected by factors such as processing technology and processing envi...
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Article
Fractional-order super-twisting sliding mode attitude control for elastic refueling boom with exogenous disturbances
During the aerial refueling alignment phase, the slender refueling boom is prone to elastic deformation under random exogenous disturbances, which deteriorates the attitude control performance. In this work, a...
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Open AccessNano friction behaviour between magnetic materials and copper considering the inter-diffusion effect
Copper, permalloy, cobalt, and silicon are the materials that have been widely utilised in magnetic devices. When the size of interest is down to the nanoscale, the inter-diffusion between certain materials be...
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Article
Modeling and experiment of material removal rate for cutting single-crystal silicon by electrical discharge wire sawing
Electrical discharge wire sawing (EDWS) is a hybrid processing method that can effectively remove craters and recast layers generated by discharges through the grinding action of abrasive grains. Under the sam...
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Predictive modeling of Loading paths for Hydroforming of bi-layered Y-shaped tubes
In this paper, a prediction model for the pressure-axial feed loading path in the hydroforming process of a bi-layered Y-shaped tube is developed. The plastic deformation behavior of the bi-layered Y-shaped tu...
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Article
Cathode design and gap multi-physical field coupling simulation analysis for ECM of shaped grid holes
In this paper, a study was conducted on the electrochemical machining (ECM) of titanium-shaped grid holes. Firstly, the polarization characteristic curves of titanium alloy TC4 in different electrolytes were m...
