Liquid metal takes into account the characteristics of both liquid and metal, and it is increasingly studied and applied in various fields of engineering. Gallium-based liquid metal is liquid at room temperature, with a high boiling point, high electrical conductivity, high thermal conductivity, saf...

Aiming at wind and light abandonment and economic cost optimization in regional integrated energy systems, an optimal scheduling method of regional integrated energy systems considering power to gas (P2G) two-stage model is proposed. First, the regional integrated energy system with electricity-gas-...

As suburban railways necessitate uninterrupted power supply, bilateral power supply technology is explored to apply in canceling electric phase separation. The equivalent circuit models of parallel bilateral power supply and tree bilateral power supply are established in different modes of external ...

The tree continuous co-phase power supply system of heavy-haul railways can minimize the safety hazards caused by neutral sections in the line and improve the utilization rate of regenerative braking energy, power supply capacity, and power quality of the traction power supply system. In order to ma...

The single-inductor dual-output (SIDO) Buck LED driver has two output branches, namely LED₁ and LED₂. Between these two output branches, there is cross regulation. In order to reduce the output cross regulation of a SIDO Buck LED driver operating in continuous conduction mode (CCM) of the inductive ...

Electric vehicle (EV) swapping stations can achieve economic benefits while also supporting the power grid by serving as energy storage stations. However, there is currently a lack of research on the capacity configuration of such EV storage and swapping integrated stations (EVSS-IS). To this end, t...

In order to improve the accuracy and real-time performance of obstacle avoidance for quad-rotor helicopters, an obstacle avoidance algorithm combining the Lucas-Kanade (LK) optical flow method and maximization idea was proposed. Firstly, the video stream collected by the quad-rotor helicopter was pr...

Deep learning-based intrusion detection for the train communication network requires sufficient training samples, but there are few available attack samples in the actual scenario. Generative adversarial network (GAN) thus operates to generate attack samples. Also, the sampling strategy, constraint ...

Under the condition of rainfall, the water spray splashed by the tires of vehicles during driving can easily form water mist, and the visibility in front will be significantly reduced. The subjective recognition distance of the human body will be rapidly reduced, and even the wrong judgment of drivi...

Transit travel demand has an important characteristic of being stochastic. The decision-makers with different risk attitudes (i.e., risk-neutral, risk-averse, and risk-seeking) will choose various transit service designs in response to the stochastic demand, which seems to be especially critical in ...

In order to study the thermal characteristics of the interface composed of steel and basalt fiber polymer concrete (BFPC) under oil medium conditions, the discrete principle was first used to calculate the actual contact area of the steel-BFPC interface. Since the contact surface is essentially a mi...

The neglect of the imaginary stiffness and frequency-dependent characteristic of parameters of viscoelastic materials for the damping layer of the constrained damping structure will result in the error of the modal loss factor of the structure. The influence of the imaginary stiffness and frequency-...

In order to eliminate mechanical friction in the mobile laser table for micro machining, a new maglev platform jointly driven by three sets of levitated subunits was proposed in this paper. Firstly, the platform structure and working principle were introduced. The three sets of subunits had the same...

A density-reducing Monte Carlo method was proposed to address the problems of inaccurate precision and waste of encrypted point cloud in the Monte Carlo method and the improved Monte Carlo method for solving robot arm workspace. Firstly, based on the characteristic of uneven distribution of random p...

In order to study the rolling fatigue damage (RCF) of heavy-haul locomotive wheels, the three-dimensional heavy-haul locomotive–track coupled dynamics model was established, and the dynamic interaction behavior of locomotive wheel–rail system under the condition of wheel polygonal wear and different...

In order to make the effect of tamping operation meet the expected goals, it is necessary to strictly control the unfavorable factors affecting the quality of the operation. Firstly, by taking the tamping operation data of ballasted track as the research object, the key factors affecting the operati...

Wheel out-of-roundness (OOR), which is commonly observed on the wheels of Chinese high-speed trains, has a significant influence on the vehicle ride comfort and operation safety. From 2011 to 2020, 30500 wheels of nine types of high-speed trains were selected for tests and the wheel OOR was measured...

With the continuous breakthrough and development of intelligent connected vehicle technologies, highly automated self-driving cars have gradually matured and entered public life. Different from manual driving cars, self-driving cars integrate the functions of environmental perception, independent de...

Ruts can be one of the key reasons for early damage of asphalt pavement. Due to the channelized traffic characteristics of aircraft taxiing, the evenness and comfort of airport pavement are notably affected by rut damage. In this paper, a simulation analysis model of aircraft landing gears-foundatio...

In order to explore the long-term monitoring method of bi-block ballastless track sleeper pressure, this paper took the CRTSⅠ bi-block sleeper as the research object and studied the linear relationship between the internal strain values and the sleeper pressure by using the embedded fiber Bragg grat...

In order to study the deterioration law of the red-bed soil-rock mixture (RB-SRM) under wetting-drying cycles, the RB-SRM in Sichuan Basin was considered as the research object. The disintegration characteristics of red-bed soft rock blocks with different particle sizes were discussed through static...

In order to explore the shrinkage and deformation laws of early-age concrete under large dry-cold temperature differences and reduce the risk of cracking, three curing methods were used for early-age curing of concrete. The compressive strength, splitting tensile strength, free shrinkage rate, and m...

The soil-arching effect, in essence, is a stress transfer phenomenon triggered by the loosening of the internal structure of the soil. The loosening process is accompanied by the formation and expansion of slip surfaces. At present, research on the geometric contour of slip surfaces, loosening-affec...

The continuous beam bridge is often damaged or even collapses due to the earthquake and thus loses its traffic function. Therefore, it is important to study the damage mechanism of large-span continuous beam bridges under strong earthquakes to improve the bridge collapse resistance. Based on the fin...

To study the effect of longitudinal reinforcement ratio on the flexural capacity of a one-way slab of an ultra-high performance concrete (UHPC) wafer bridge deck, six full-scale T-beam models with varying longitudinal reinforcement ratios were produced by using the principle of equivalent width to s...

In order to find a more suitable joint form for the concrete-filled steel tubular (CFST) lattice wind power tower, static tests of models for two flanged spherical branch joints and two flanged bolted spherical joints were carried out, and the finite element analysis was performed. By taking the hei...