A5101939225- Gear and Bearing Dynamics Analysis
- Railway Engineering and Dynamics
- Industrial Technology and Control Systems
- Simulation and Modeling Applications
- Mechanical stress and fatigue analysis
- Advanced Machining and Optimization Techniques
- Metal Alloys Wear and Properties
- Advanced machining processes and optimization
- Civil and Geotechnical Engineering Research
- Engineering Technology and Methodologies
- Advanced Numerical Analysis Techniques
- Manufacturing Process and Optimization
- Safety and Risk Management
- Advanced Manufacturing and Logistics Optimization
- Robotic Mechanisms and Dynamics
- Railway Systems and Energy Efficiency
- Collaboration in agile enterprises
- Advanced Surface Polishing Techniques
- Engineering Diagnostics and Reliability
- Elevator Systems and Control
- Power Systems and Technologies
- Metaheuristic Optimization Algorithms Research
East China Jiaotong University
2008-2025
Micro-milling is increasingly recognized as a crucial technique for machining intricate and miniature 3D aerospace components, particularly those fabricated from difficult-to-cut Ti-6Al-4V alloys. However, its practical applications are hindered by significant challenges, the unavoidable generation of burrs, which complicate subsequent finishing processes adversely affect overall part quality. To optimize burr formation in micro-milling alloys, this study proposes novel hybrid-ranking...
The maintenance strategies of the worn wheels have an important impact on cost railway. LM heavy haul wagons are often re-profiled to their original standard form, and this excessive removal material could reduce wheel service life. A new profile reconstruction method was established by taking into account geometrical characteristics applying Non-Uniform Rational B-Spline theory. design thin flange re-profiling can be accomplished using Particle Swarm Optimization which handles multiple...
The wheel-rail wear problems inherent to railway operation have become increasingly prominent and serious, as they been proven be the main factors which affect safety, stability of electric multiple units (EMUs), maintenance cost. multiobjective optimization model CN wheel profile proposed in this study was constructed effort reduce CRH3. Reconstruction based on nonuniform rational B spline (NURBS) curve theory designed. Twenty vertical coordinates were selected design variables, first...
The grinding strategies for worn rails have a significant influence on the service life and maintenance cost of railways. Current strategies, to their original profiles, leads excessive amount material removed reduction rail life. Based Non-Uniform Rational B-Spline theory (NURBS), which contributes control curve smoothness, profile reconstruction method was established considering geometrical characteristics profile. design economical can be achieved by using optimization method, regards...
The grinding profile directly affects the wheel–rail contact relationship, so it is necessary to study design method of rail profiles for curve section. Based on Frechet distance method, selection representative worn rails was established. non-uniform rational B-spline theory, description model constructed. reduction material removed and improvement geometry were taken as optimization objectives, multi-objective function outer in transition circular section optimized results show that...
Due to the large volume and high running density of railway freight lines, rail deterioration occur frequently. Thus, it is necessary grind in time improve wheel-rail relationship. The profile data worn were measured at different measuring points a section, Frechet distance method was adopted analyze data. representative reflecting overall condition wear this section obtained. Combined with NURBS curve theory, fitting algorithm which certain discrete established. Taking reduction amount...
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Aims at remedying the default of precocity and stagnation in standard Ant Colony Algorithm(ACA),the rule dynamic updating pheromones is presented, so that area feasible solutions are expanded, capability global search enhanced. Furthermore by introducing strategy parameters selection, probability solution mutation increased, adjusting selected path obtained,also with improved solving. The simulation result on planning which contains 32 nodes a logistics distribution system shows optimized...