A5100618848- Advanced Numerical Analysis Techniques
- Iterative Learning Control Systems
- Advanced machining processes and optimization
- Advanced Measurement and Detection Methods
- Advanced Sensor and Control Systems
- Advanced Algorithms and Applications
- Control Systems in Engineering
- Hydraulic and Pneumatic Systems
- Control Systems and Identification
- Tribology and Lubrication Engineering
- Industrial Technology and Control Systems
- Advanced Surface Polishing Techniques
- Electric Motor Design and Analysis
- Simulation and Modeling Applications
- Advanced Measurement and Metrology Techniques
- Advanced Sensor Technologies Research
- Medical Image Segmentation Techniques
- Cell Image Analysis Techniques
- Manufacturing Process and Optimization
- Electromagnetic Launch and Propulsion Technology
- Optical measurement and interference techniques
- Sensorless Control of Electric Motors
- Wetland Management and Conservation
- Image and Object Detection Techniques
- Photoacoustic and Ultrasonic Imaging
Beijing Anding Hospital
2024-2025
Capital Medical University
2024-2025
Henan University
2024
Quzhou University
2023-2024
Qingdao University
2023
First Institute of Oceanography
2023
Ministry of Natural Resources
2023
Hefei National Center for Physical Sciences at Nanoscale
2023
University of Science and Technology of China
2023
QuantumCTek (China)
2023
Artificial chiral materials and nanostructures with strong tuneable chiroptical activities, including sign, magnitude, wavelength distribution, are useful owing to their potential applications in sensing, enantioselective catalysis, devices. Thus, the inverse design customized manufacturing of these is highly desirable. Here, we use an artificial intelligence (AI) guided robotic chemist accurately predict activities from experimental absorption spectra structure/process parameters, generate...
A 2-D analytical closed-form model of bar-wound ac machine stator slots is presented for calculating winding losses attributable to armature reaction effects. The proposed capable predicting the in stators arbitrary numbers bar conductor layers excited with currents variable amplitude, frequency, and phase angle. Finite element (FE) analysis has been used raise confidence accuracy model. explore impact several key design variables on including slot depth, number conductors per slot, order....
This paper presents an improved analytical model for predicting the ac losses in form-wound windings used high-performance machines attributable to stator currents. The complete comprises two sub-models that separately calculate contributed by in-slot and end-winding portions. 3D finite element analysis experimental tests are conducted demonstrate usefulness of model. results also confirm vulnerability steep increases winding resistance as excitation frequency increases. is subsequently...
This paper addressed the vessel segmentation and disease diagnostic in coronary angiography image proposed an Encoder-Decoder architecture of deep learning with End-to-End model, where Encoder is based on ResNet, features are exacted automatically, Decoder produces result by balanced cross-entropy cost function. Furthermore, batch normalization employed to decrease gradient vanishing training process, so as reduce difficulty neural network. The experiment results show that algorithm...
Multiwalled carbon nanotubes (MWCNTs) have been widely used in many disciplines and raised great concerns about their negative health impacts, especially environmental occupational exposure. MWCNTs reported to induce fibrotic responses; however, the underlying mechanisms remain largely veiled. Here, we that inhalation induced lung fibrosis together with decreased compliance, increased elastance mice model, elevated surface tension
As a key interpolation technique in CNC system machine tool, three B-spline curve interpolator has been proposed to change the drawbacks caused by linear and circular interpolator, Such as time bigger, curves step error are not easy changed,and so on. This paper an improved algorithm of simulation is proposed. By Using MATALAB 7.0 computer soft developed for verifying modification experimentally. The results show that correct; it consistent with requirements.
Based on cubic B-Spline curve mathematical properties, theoretical analysis the recursive formula of Taylor development first-order, derivation two order in interpolation cycle under condition certain increment only and speed, change increments can be amended times curves purpose.So this paper presents such a modified algorithm, which is combined with specific examples matlab7.0 verifies that algorithm correct; it consistent requirements.
In order to improve the machining precision of multi axis CNC machine tool, contour error reduced by mechanical transmission and electric control factors, servo adopteds cross coupling parameter selection problem, stability is not strongm so on, this paper proposed a method coupled compensation, compensation based on model, X axis, Y Z simulation platform, Simulation results show that experimental algorithm ross calculation process simple, error, accuracy interpolation improved, meet...
Since the spindle thermal error of CNC machine tools has a significant impact on machining precision, this paper introduces unique approach for modeling error. Several key steps are involved in proposed approach. First, Fluke imaging camera is employed acquiring image information system. Second, Gaussian filter to denoise sequence. Next, temperature values at measurement points extracted from sequence according mapping relationship between grayscale value and value. Subsequently, critical...
In the previous research on dynamic process of honing pneumatic measurement system are studied by measuring plane instead surface, but to achieve high-precision aerodynamic honing, surface is not scientific. Based study theoretical basis and air dynamics, through nozzle baffle mechanism in gas studies have shown that accuracy higher than characteristic equation baffle. Using this equation, design momentum meter more accurate, it provides a reliable reference for improving measurement. For...
In order to solve the problem of wind power generator motor control system has high order, nonlinear, strong coupling and multi variable system, decoupling complex problems, based on slip frequency vector that characteristic equation, establish by using Matlab/simulink simulation. Simulation results show response speed, good stability, reliability, practical value.
In honing online pneumatic measurement, the actual working conditions of have not been taken into account. While and measurement aerodynamic environment is relatively small semi closed annular narrow space, various parameters will influence movement characteristics gas, gas does consider previous dynamic accuracy hard to guarantee, meet requirement automatic processing high precision. Through combination theoretical research simulation experiment, through study honing, aerodynamics,...
This paper investigates the single-switch short-circuit fault response of a permanent magnet (PM) machine drive using current source inverter (CSI). The CSI offers some appealing advantages over conventional voltage-source inverters (VSIs) during conditions originating inside inverter. Two post-fault strategies are investigated in this paper, consisting either: 1) turning off all switches; or 2) on switches controlled manner. Key features associated with to both these presented and compared,...
Aiming at the complicated structure and poor applicability of traditional pneumatic measurement control system, a method PLC inverter is given. Firstly, based on brief introduction control, system established, then realized through finally pulse encoder counting collecting data are dynamically detected by means frequency conversion speed control. Automatic established technology, which feasible effective in practical application. Experimental results show that mathematical expression...
In order to solve the problems of modification algorithm NURBS curve interpolation, Such as interpolation time bigger, step error and chord are not easy changed ,and so on.A novel proposed a .The has merits such higher position accuracy ,short processing on.In this simulation ,an open five-axis CNC platform based on SIEMENS 840D system is developed for verifying experimentally results show that correct; it consistent with requirements.
The brushless DC motor (BLDCM) is a multi-variable and non-linear system. PID control Fuzzy have been used in the field of BLDCM control. However, design reference model fix with structure, tradition doesn't from whole settle artificial experience modification parameter, fuzzy controller are not satisfied. In this paper, system based on presented so applied into Matlab/Simulink, simulation result showed that correction by using controller, to for real-time control, stability improvement at...
The probability distribution of the maximum likelihood method requires that data is known and obeys Gauss distribution. structural parameters equivalent prediction error have great influence on modeling accuracy system model. In order to improve accuracy, a recursive iterative identification proposed optimize structure parameters. simulation results verify feasibility effectiveness method.
In order to solve the problems of a improved algorithm adaptive NURBS curve,Such as interpolation time bigger, calculation more complicated, and curve step error are not easy changed so on.This paper proposed study on for simulation .We can use that calculate ( , ) i y x z .Simulation results show interpolator meet high-speed high-accuracy requirements CNC systems.The should be finished.The is correct; it consistent with requirements.
Through the establishment of environmental identification and diagnosis model regional economic model, we can determine usable elements, exploitable elements restricted according to differences in utilization degree, development potential constraint strength each element from many factors. And deeply understand structure system, find out root causes problems real system way solve problem, breakthrough. Based on analysis Southeast longnan, through it conforms longnan economy has strong...