A5000988915- Microwave-Assisted Synthesis and Applications
- Stability and Controllability of Differential Equations
- Numerical methods for differential equations
- Food Drying and Modeling
- Induction Heating and Inverter Technology
- Stability and Control of Uncertain Systems
- Atomic and Subatomic Physics Research
- Cold Atom Physics and Bose-Einstein Condensates
- Microwave and Dielectric Measurement Techniques
- Microwave Engineering and Waveguides
- Model Reduction and Neural Networks
- Nonlinear Dynamics and Pattern Formation
- Advanced Frequency and Time Standards
- Advanced Control Systems Design
- Advanced Control Systems Optimization
- Adaptive Control of Nonlinear Systems
- Advanced Mathematical Modeling in Engineering
- Control Systems and Identification
- Dynamics and Control of Mechanical Systems
- Vibration and Dynamic Analysis
- Radiative Heat Transfer Studies
- Gyrotron and Vacuum Electronics Research
- Electromagnetic Simulation and Numerical Methods
- Fractional Differential Equations Solutions
- Heat Transfer and Optimization
Wuhan Institute of Physics and Mathematics
2023-2025
Chinese Academy of Sciences
2023-2025
Hefei University
2023-2025
Chongqing University of Posts and Telecommunications
2017-2024
Guangdong Medical College
2024
Huazhong University of Science and Technology
2023
Inner Mongolia University of Science and Technology
2021
Northeastern University
2020-2021
Chongqing University
2014-2018
Shandong University
2018
Based on the general regression (GR) and back propagation (BP) neural network prediction method, this work forecasts generated power of photovoltaic (PV) station. First, Pearson correlation coefficient method was used to analyze meteorological factors. The degree between complex weather factors PV output differentiated irradiance battery temperature were selected as important influencing variables. Second, classified according certain classification criteria. Then, we established model by...
High-precision gyroscopes in space are essential for fundamental physics research and navigation. Due to its potential high precision, the cold atom gyroscope is expected be one of next generation space. Here, we report first realization a gyroscope, which was demonstrated by interferometer installed China Space Station (CSS) as payload. By compensating CSS's dynamic rotation rate using built-in piezoelectric mirror, spatial interference fringes successfully obtained. Then, optimized ratio...
In the traditional microwave heating partial differential equation (PDE) model, one of main characteristics is infinite-dimensional nature, which does not allow to readily design and implement a controller. Motivated by this obstruction, paper proposes finite-dimensional ordinary (ODE) can only describe thermodynamics field with nonhomogeneous boundary conditions but also be coupled variation electromagnetic in temperature-dependent dielectric media. Initially, equivalent PDE model...
Microwave heating technology has been widely used in both domestic and industrial applications. Temperature control technique is significant improving the performance of microwave heating. A generalized numerical thermodynamics model associating with temperature-dependent thermal physical properties material for process proposed this paper. Experimental data applied to estimate power coefficients. Two controllers, sliding mode controller (SMC) proportional-integral-differential (PID)...
This paper aimed to investigate the PI3K/Akt/mTOR signal-pathway regulator factor-related lncRNA signatures (PAM-SRFLncSigs), associated with regulators of indicated signaling pathway in patients lung adenocarcinoma (LUAD) undergoing immunotherapy.
Thermal runaway is a critical feature of microwave lignite drying, which leads to the combustion lignite. An expert control system (ECS)-based multimode hybrid switching strategy developed solve it. The has three modes, contain two proportional integral derivative modes and zero mode. Two knowledge-based ECS interface machines are built for mode auxiliary decision. Experimental results demonstrate that fixed power levels lead thermal phenomenon during drying process. Using proposed strategy,...
The aim of this paper is to present an explicit numerical algorithm based on improved spectral Galerkin method for solving the unsteady diffusion-convection-reaction equation. principal characteristics approach give eigenvalues and eigenvectors time-space separation boundary condition analysis. With help Fourier series truncation, we can obtain finite-dimensional ordinary differential equations which facilitate system analysis controller design. By comparing with finite element method,...
This paper describes the development of a simulation model in state space representation for class microwave heating model. Under assumptions on thermodynamics mechanism, one-dimensional rectangle waveguide is derived by combining Lambert's law and heat conduction equation. Through introducing spatial differential operator inhomogeneous thermal equation, form partial equations (PDE) can be divided into finite-dimensional slow one infinite-dimensional complement, which provides application...
Abstract Remarkable improvements in the stability properties of discrete system zeros may be achieved by using a new design fractional-order hold (FROH) circuit. This paper first analyzes asymptotic behaviors limiting zeros, as sampling period T tends to zero, sampled-data models on basis normal form representation for continuous-time systems with proposed. Further, we also give approximate expression resulting power series respect up third order term when relative degree is equal three, and...
Microwave energy has been widely applied to vast industrial applications as a novel, clean and efficient source. This paper illustrates the design implementation of microwave heating system, dual-closed loop control strategy is presented regulate power. Further, several experimentations were carried out, experiment results show that output power reasonable accurate expectation, sample temperature controlled effectively.
Microwaves require shorter time to increase the temperature of samples compared conventional heating methods. However, phenomenon hot spots and runaway limit its application at industrial level. In order describe distribution within in process microwave heating, a mathematical two-dimensional model is proposed by solving Maxwell's equations coupled with balance equation. The simulation carried out validated during an deionized water sample.
Microwave heating is an advanced technique in which heat generated inside the material, but thermal runaway phenomenon still major challenge of microwave process. The application a hybrid temperature control structure with model reference adaptive (MRAC) and expert system (ECS) to multi-input multi-output (MIMO) process addressed this paper. Two input variables, power ambient temperature, are considered be regulated controlled as output variables track desired profiles. Simulation tests...
In this paper, a finite-dimensional ordinary differential equation (ODE) model is proposed for predicting the temperature profile with microwave heating to accomplish lower computing complexity. The traditional parabolic partial different (PDE) integrating Maxwell's and heat transport not suitable designing on-line controller. Based on obstruction, using an auxiliary function derives intermediate model, which analyzed discussed reduction by employing parameter separation method Galerkin's...
Microwave heating is an advance technology because the energetic interest of microwaves. The modelling technique a useful approach to describe microwave process for control system avoid thermal runaway. "white box" model and "grey have been studied several years, which are still can not offer real time system. A black-box identification based on autoregressive exogenous (ARX) presented in this paper. Several experiments with different prediction horizons carried out, simulations results show...
The aim of this paper is firstly to describe the design and implementation a dual-closed loop control technology for microwave heating system. A fast feedback strategy was proposed power density loop. Moreover, bang-bang velocity form PID algorithm were utilized sample temperature Further, several experimentations carried out, experiment results show that output reasonable exact set point, resulted in best compared strategy.