A5100322099- Advanced Surface Polishing Techniques
- Advanced machining processes and optimization
- Advanced Machining and Optimization Techniques
- Fluid Dynamics and Heat Transfer
- Geotechnical and Geomechanical Engineering
- Advanced Battery Technologies Research
- Metal Forming Simulation Techniques
- Semiconductor materials and devices
- Transportation Systems and Logistics
- Vibration and Dynamic Analysis
- Modular Robots and Swarm Intelligence
- Aerospace, Electronics, Mathematical Modeling
- Ethics in Business and Education
- Satellite Communication Systems
- Lubricants and Their Additives
- Aviation Industry Analysis and Trends
- Air Quality and Health Impacts
- Folklore, Mythology, and Literature Studies
- Advanced ceramic materials synthesis
- Tribology and Wear Analysis
- Laser Material Processing Techniques
- Topology Optimization in Engineering
- Quality Function Deployment in Product Design
- Characterization and Applications of Magnetic Nanoparticles
- Air Traffic Management and Optimization
Pingdingshan University
2020-2025
Lanzhou Jiaotong University
2025
Chang'an University
2024
Northwestern University
2024
China Mobile (China)
2022-2023
Wuxi Institute of Technology
2022-2023
Dalian University of Technology
2023
China University of Mining and Technology
2023
Commercial Aircraft Corporation of China (China)
2022
Ministry of Ecology and Environment
2022
Good machining performance and high surface quality can be achieved in engineering compound materials when subjected to ultrasonic vibration systems. This study established an system with a complex disk tool. The finite element simulation model of the tool was created using ANSYS software. Modal analysis utilized obtain disk’s resonance frequency other parameters. Based on local characteristics results, horn, transducers, components were designed. node position ultrasound accurately...
Hazardous materials transportation route optimization problem is a pressing issue, and multi-dimensional evaluation criteria diversified modes complicate the problem. In response to this, method for multi-mode network multi-criterion proposed. Initially, A three-objective integer programming model formulated, an improved multi-objective genetic algorithm, termed DSNSGA3, introduced aid in decision-making. Specifically tailored problem's specifics, chromosome encoding technique grounded...
Boring bars with a large length-to-diameter ratio chatter under productive cutting conditions, which leads to poor surface finish and violation of part tolerances. This paper presents an active damping method boring in-house designed magnetic actuator. The actuator has been have linear force output relative the input current, instrumented control bar vibrations. Four different H <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">∞</sub> optimal...
Ultrasonic vibration-assisted ELID (UVA-ELID) grinding is utilized as a novel and highly efficient processing method for hard brittle materials such ceramics. In this study, the UVA-ELID ZTA ceramics employed to investigate influence of thermomechanical loading on characteristics oxide film. Based fracture mechanics material, model internal stress film damage proposed. The composed mechanical force thermal generating from temperature. theoretical established force, respectively. Then finite...
The diverging stepped magnetic fluid seal based on labyrinth was an effective method to improve the capability of usual with large gap. Pressure theory presented and a sealing two magneti c sources designed. leakage location hypothesis in has been made. field distributions radial axial gaps have calculated by means finite element its maximum capabilities pressure theory. effects obtained. numerical experimental results were analyzed discussed. show that theoretical pressure-resistant agree...
Nanocomposite ceramics possess beneficial mechanical and physical characteristics over traditional engineering ceramics; however, there is currently no effective method of machining nanocomposites ceramics. This paper proposes a new ultrasound-aided electrolytic in-process dressing method. There are many factors influencing the material removal rate in grinding. In order to optimize processing parameters guide practice, models developed simulate process based on ductile failure brittle...
To address the confusion in application of traffic control methods, this paper proposes a comprehensive evaluation model to assess suitability and effectiveness various strategies. This reviews existing methods selects three key indicators: network accessibility, saturation, total travel time across network, comprehensively evaluate impact strategies on congestion mitigation. The study concludes that under congested conditions, tend reduce some accessibility alleviate congestion. When an...
Abstract Silicon carbide (SiC)-based diodes are widely used due to their high temperature resistance. In this paper, breakdown voltage of 4H-SiC JBS and capacitance-voltage MOS capacitors with identical interfacial structure were both measured at study properties. By analyzing the variation properties, correlation between thermal stress failure mode was further established reveal degradation mechanism. During initial storage, negative effective charge density may increase, leading decrease...
In recent years, graphene‐based nanomaterials have attracted extensive attention because of their excellent physical and chemical properties, such as high strength, conductivity, thermal conductivity lubrication performance. Here, the latest research progresses are reviewed in this paper, its synthesis method, unique structure, dispersion improvement strategy wide application tribology emphatically discussed. Graphene‐based materials synthesized by typical vapor deposition reduced graphene...
Ultrasonic vibration-assisted ELID internal (UVAEI) grinding is an effective processing for hard-brittle materials. During the UVAEI grinding, larger of wheel diameters beneficial to efficiency. However, it difficult design amplitude transformer with wheel. In order overcome restriction wheel, piecewise approximation method firstly utilized transformer, and vibration system's parameters are acquired. Subsequently, modal analysis dynamic characteristic test system conducted. It found that...
With perception behavior and propulsion ability, algal cells can be considered microrobots from the view of engineering. However, using to carry out tasks is still a challenge. In this study, controlled assembly use as actuators for manipulating some artificial microstructures were conducted. A novel algae-guiding system was developed robotize cells, through which swarm or single cell follow arbitrarily set trajectories. Algal controllably assembled onto fabricated microstructures. The...
Mining-induced seismic events are the main trigger for occurrence of coal bursts, which most critical mining disaster underground mines in large-space mining. Microseismic monitoring is primary approach to assessing burst risks and understanding coal-rock mass response induced by waves. The locations event clusters used deduce zones with high risks. However, because limited results a single event, recognition dynamic disturbance process it not clear. Owing focal mechanism heterogeneous...