A5101573548- Laser Material Processing Techniques
- Advanced Surface Polishing Techniques
- Advanced Measurement and Metrology Techniques
- Advanced Numerical Analysis Techniques
- Iterative Learning Control Systems
- Adaptive Control of Nonlinear Systems
- Manufacturing Process and Optimization
- 3D Surveying and Cultural Heritage
- Geotechnical Engineering and Soil Stabilization
- Additive Manufacturing Materials and Processes
- Wheat and Barley Genetics and Pathology
- Plant-Microbe Interactions and Immunity
- Metal and Thin Film Mechanics
- Soil and Water Nutrient Dynamics
- Welding Techniques and Residual Stresses
- Optical Coherence Tomography Applications
- Piezoelectric Actuators and Control
- Ion-surface interactions and analysis
- Plant nutrient uptake and metabolism
- Astronomical Observations and Instrumentation
- Structural Health Monitoring Techniques
- Optical measurement and interference techniques
- Irrigation Practices and Water Management
- Advanced Mathematical Theories and Applications
- Lanthanide and Transition Metal Complexes
Xi'an Jiaotong University
2019-2024
Henan University
2024
Nanjing Agricultural University
2024
Shandong Academy of Sciences
2023
Qilu University of Technology
2023
Wuhu Hit Robot Technology Research Institute
2021
Jiangxi Transportation Research Institute
2008
Using micro-nano processing system of 120 fs and 800 nm low-frequency femtosecond laser, the microgroove was processed on CVD diamond. The effects some parameters size were studied. results showed that depth width microgrooves increase with laser power, scanning times, while decrease speed. Moreover, suitable speed diamond is about 0.1 mm/s, focusing can improve material removal efficiency quality. It indicated these research work has certain guiding significance for microchannels heat...
In recent years, the macro-micro structure (servo platform for macro motion and galvanometer micro motion) composed of a servo has been gradually applied to laser processing in order address increasing demand high-speed, high-precision, large-format precision machining. The research this field evolved from step-and-scan methods linkage methods. Nevertheless, existing cannot make full use field-of-view (FOV) galvanometer. terms distribution, are not suitable continuous segments generate...
The evaluation and renovation of existing building envelope has important practical significance for energy conservation emission reduction in the field architecture. With development digital cities, 3D models with rich temperature information can realize comprehensive accurate detection envelope. However, model reconstructed from thermal infrared images only relative distribution no value each location, so it is impossible to quantify extent defect it. To solve this issue, paper develops a...
In the large-area multidevice linkage-based laser processing, using traditional control method cannot guarantee processing accuracy of a permanent magnet linear motor (PMLM) system for high-speed subject, due to unknown model uncertainties, backlash-like hysteresis, states constraints, and external disturbance. To address this shortcoming, article develops disturbance observe-based adaptive neural PMLM system. First, aiming at problem uncertain parameters, study uses radial basis network...
Accurate nitrogen (N) nutrition diagnosis is essential for improving N use efficiency in crop production. The widely used critical (Nc) dilution curve traditionally depends solely on agronomic variables, neglecting water status. With three-year field experiments with winter wheat, encompassing two irrigation levels (rainfed and at jointing anthesis) three (0, 180, 270 kg ha−1), this study aims to establish a novel approach determining the Nc based cumulative transpiration (T), providing...
In this article, the residual vibration signal of worktable machine tool is used to identify its dynamic parameters. By analyzing time-domain characteristics signal, it found that has similar attenuation impulse response second-order underdamped system, so a new method for identifying parameters proposed. method, model system describe parameter identification problem based on transformed into optimization Then, can be determined by using genetic algorithm. The results algorithm are compared...
The terminal beam collimation problem of laser processing systems has traditionally been a headache. deflection the seriously affects accuracy and success. In this article, A novel method for measuring, collimating, maintaining spatial pose in five-axis system based on 3-D 2-D hybrid vision is proposed. working space measured by using 3D scanner an alignment sensor. functional relationship between galvanometer coordinates angles established. corresponding to minimum angle are solved...
Abstract Ceramic structural parts are one of the most widely utilized in industry. However, they usually contain defects following pressing process, such as burrs. Therefore, additional trimming is required, despite deformation challenges and difficulty positioning. This paper proposes an ultrafast laser processing system for complex ceramic parts. Opto-electromechanical cooperative control software developed to system. The problem cores used aero engines studied. regional registration...