A5100351337- Advanced Battery Technologies Research
- Additive Manufacturing and 3D Printing Technologies
- Aerodynamics and Fluid Dynamics Research
- Fault Detection and Control Systems
- Advanced Battery Materials and Technologies
- Photopolymerization techniques and applications
- Manufacturing Process and Optimization
- Advancements in Battery Materials
- Innovations in Concrete and Construction Materials
- Fluid Dynamics and Vibration Analysis
- Wind and Air Flow Studies
- Vehicle emissions and performance
- Electric and Hybrid Vehicle Technologies
- Railway Engineering and Dynamics
- Injection Molding Process and Properties
- Air Quality and Health Impacts
- Advanced Algorithms and Applications
- Advanced battery technologies research
- Electric Vehicles and Infrastructure
- Electrical and Bioimpedance Tomography
- 3D Shape Modeling and Analysis
- Wave and Wind Energy Systems
- Mechanical Engineering and Vibrations Research
- Dental materials and restorations
- Virtual Reality Applications and Impacts
Inspur (China)
2024
Bohai University
2024
Jilin University
2023
State Key Laboratory of Automotive Simulation and Control
2023
Ocean University of China
2018-2022
Shanghai Institute of Technology
2022
Chinese Academy of Engineering
2022
Texas A&M University
2022
Zhengzhou University
2022
Hubei University of Automotive Technology
2022
Herein, translucent alumina ceramics with fine complex geometric shapes are successfully fabricated by a digital light processing (DLP) process followed vacuum sintering. The interlayer bonding condition is the key for preparing high‐quality this layer‐by‐layer additive manufacturing (AM) method. curing characteristics of suspensions carefully investigated depth and polymerization conversion behavior. It clear that residual stress resulted from more critical than selecting optimum time....
Abstract By utilizing digital light processing (DLP) printing equipment and technology, this study investigates the temperature field, stress changes, impact of various process parameters on formation strength characteristics high-strength resin during process. Abaqus birth-death element method simulation related tests are employed for purpose. The results demonstrate a gradual decrease in field through wavy diffusion from center to boundary printing. node temperature, displacement, curves...
In wind tunnel experiments, the inter-car gaps are designed in such a way as to separate force measurements for each car and prevent interference between cars during tests. Moreover, gap has significant effect on aerodynamic drag of train. order guide design impact length characteristics 1/8th scale high-speed train is investigated using computational fluid dynamics. The shear stress transport k-ω model used simulate flow around with 10 different lengths numerically simulated compared. 5, 8,...
Nowadays, the lithium-ion battery (LIB) has been widely used as an energy source for electric vehicles or auxiliary power supply rail transit. However, sensitivity of LIB to temperature greatly limits its application condition. Due internal impedance and entropy change, varies during charging discharging. This variation conversely affects electrical characteristics batteries, then heat generation rate. In order accurately model this coupled thermoelectric process battery, a co-simulation...
Energy store batteries play very important roles in the marine energy power station. Monitoring batteries' state for PHM study is necessary. Electrochemical Impedance Spectroscopy (EIS) commonly used battery monitor. It can acquire detailed health features of batteries. This paper purposes a Fast-EIS measuring method, including hardware design and frequency-mixing algorithm based on Fast Fourier Transformation (FFT). measure EIS with frequency range from 0.01Hz to 10kHz, reduce 2/3 time...
The aerodynamic drag forces of a high-speed train with or without round pits were investigated. reduction is mainly due to the pressure difference. installed on coupling cover contribute nearly 2% for trains.
In the speed sensorless control of induction motors (IM), stability and parameter robustness algorithms have been extensively studied, but few papers focus on problem convergence errors. Taking into account strong nonlinear characteristics motors, this paper studies multiple points in process observation based impedance model reference adaptive method (Z-MRAS). First, analyzes mechanism mathematical expression through theoretical derivation. Subsequently, analysis each point is carried out,...
Based on the characteristics that tunnel pressure wave has a fixed-morphologic form when same train passes through tunnel, an applicational approach based iterative learning control (ILC) is developed, aiming at overcoming drawbacks of traditional strategy for controlling air variation inside high-speed carriage. To achieve goal, system mathematically modelled. Then, problem formulated. The task suppressing influence carriages shifted as ILC tracking comfort index with varying trial length....
As energy supply units, lithium-ion batteries have been widely used in the electric vehicle industry. However, safety of remains a significant factor limiting their development. To achieve rapid fault diagnosis batteries, this paper presents comprehensive process. Firstly, an interleaved voltage sensor topology structure is utilized to acquire battery data. An improved complete ensemble empirical mode decomposition with adaptive noise method introduced process Then, reconstructed data...
Aiming at the optimal layout problem of rectangular parts with dynamic constraints, a novel heuristic method is proposed based on improved genetic algorithm. In order to enhance operation speed algorithm, algorithm population initialization by using elitist preservation strategy; global convergence performance crossover and mutation operator are self-adaptive precision decoding Height Adjustment The approach could achieve optimization for both single standard multi-standard plates. solution...
As lithium-ion batteries are gradually applied to various energy storage environments, research on the health of is becoming increasingly important. Electrochemical impedance spectroscopy (EIS) a practical method for studying batteries, through which multiple parameters battery can be obtained evaluate status battery. This article mainly designs an eight-channel EIS measurement device batteries. In static state system, eight connected Neware testing carry out charge and discharge experiments...
In order to estimate the state of charge (SOC) lithium iron phosphate (LiFePO4) power battery, space model that fit for kalman filter was established on basis PNGV equivalent circuit model. case considering influence factors such as battery and discharge current, environmental temperature health, an improved composite SOC estimation algorithm based extended (EKF) proposed, this proposed integrated using EKF algorithm, Ah counting method open voltage SOC. The simulation results show can track...
The power profile of the energy storage batteries in a wave converter is variegated and time-consuming, so it very difficult to be implemented laboratory for aging study. This paper reports simplification method, main idea divide sequence into several segments, each which replaced by representative power, while cumulative probability simplified remains same distribution as original. NSGA-II algorithm utilized obtain optimal solution segmentation parameters. schedule an accelerated test...
Abstract This technical brief reports an experimental investigation on the effect of feed region density resultant sintered and intermediate densities (powder bed green density) during binder jetting additive manufacturing process. The was increased through compaction. powder were determined by measuring mass dimension. measured with Archimedes’ method. As relative from 44% to 65%, 5.7%, 8.5%, finally 4.5%. Statistical testing showed that these effects significant. study compacting in is...