- Advanced MEMS and NEMS Technologies
- Mechanical and Optical Resonators
- Optical measurement and interference techniques
- Photonic and Optical Devices
- Hydrocarbon exploration and reservoir analysis
- Industrial Vision Systems and Defect Detection
- Advanced Fiber Optic Sensors
- Geological Studies and Exploration
- Material Properties and Processing
- Methane Hydrates and Related Phenomena
- Iron and Steelmaking Processes
- Optical Network Technologies
- Infrared Target Detection Methodologies
- Advanced Vision and Imaging
- Semiconductor Lasers and Optical Devices
- Radio Frequency Integrated Circuit Design
- Advanced Sensor and Control Systems
- Advanced DC-DC Converters
- Geological and Geochemical Analysis
- Paleontology and Stratigraphy of Fossils
- Radiative Heat Transfer Studies
- Surface Roughness and Optical Measurements
- Wireless Sensor Networks and IoT
- Silicon Carbide Semiconductor Technologies
- Advanced Photonic Communication Systems
Changchun University of Technology
2025
Jiyang College of Zhejiang A&F University
2024
Tongji Zhejiang College
2024
Jilin Jianzhu University
2023
Nantong University
2022
Northwest Institute of Mechanical and Electrical Engineering
2019
Tianjin Normal University
2018
Xi'an University of Technology
2016
China University of Geosciences (Beijing)
2014
This Digital image correlation method is a non-contact measurement that achieves deformation by tracking speckle patterns cover the measured surface and deform with surface. The quality of has significant direct impact on accuracy DIC. A global evaluation for pattern using simple easy-to-calculate parameter called two-dimensional entropy proposed in this paper. To verify effectiveness method, comparative experiments are conducted displacement three types speckle. results indicate larger...
To improve the voltage utilization rate of DC bus and reduce vector tracking error, a finite-control-set modulated model predictive control (FCS-M2PC) with overmodulation capacity for permanent magnet synchronous motor (PMSM) incorporating penalty function is proposed in this paper. Firstly, three modulation regions are determined according to combined action dead-beat (MPC). Secondly, three, two one vectors applied linear region (LMR), I (OMR-I) II (OMR-II), respectively, synthesize...
In this paper, an optical fiber Fabry–Perot (FP) sensor for micro-pressure measurement is proposed. The FP interferometric cavity composed of end face the incident and a sensitive silicon diaphragm. diaphragm creatively utilizes beam-membrane structure which fabricated by micro-electro-mechanical system manufacturing technology. finite element method simulation results show that can achieve higher sensitivity better linearity. performance test platform built ASE-wide spectrum light source,...
The inking system is an important part in the offset press, and a well performing essential for high quality printing.In this paper Reynolds equation ink transfer was deducted on basis of elastohydrodynamic lubrication theory.It establishes relationship model between roller parameters such as pressure thickness gap by Hertz contact theory, so to obtain minimum equation.As object Roland 700, through using computer simulation modifying model, study analyzes influence printing speed performance...
The mismatch effect of photovoltaic (PV) arrays due to different illumination intensity has a significant impact on the output characteristics and power PV arrays, which is crucial understand optimize array configuration in order improve value maximum point.This paper illustrates short-circuit current series circuits, open-circuit voltage parallel circuits proposes corresponding solutions for each phenomenon.The multi-stage under complex are analyzed by using peak point approximation...
In the 21st century, China's overall appearance has undergone a radical change, and people's demand for quality of life level is getting higher higher. view this situation, project designs an intelligent curtain based on 51 microcontroller control, which opened remotely by user, corresponding functions are accomplished collecting environmental data through photosensitive materials temperature sensors transmitting to operation motor. The system realizes four modes light manual remote upholds...
Based on the transfer matrix method (TMM), a comprehensive dynamic numerical model describing optical pulse amplification in vertical cavity semiconductor amplifiers (VCSOAs) is established, which treats whole VCSOA as one multilayer dielectric structure, including two Distributed Bragg Reflectors (DBRs) and middle active region. In this model, spatial dependence of carriers field longitudinal direction discontinuity refractive index distribution resonant are accounted for. Moreover, study...
In this paper, an optical fiber MEMS (Micro-Electro-Mechanical System) micro pressure sensor based on BM (beam-membrane) structure is proposed. The most important part of the composed a sensitive silicon diaphragm and dual collimator. designed optic sensor, creatively utilizes made by manufacturing technology. By comparing other structures performing simulations, has better linearity while ensuring its sensitivity concluded. used to reflect light, dual-fiber collimator transmit receive...