Advances in Engineering Research
[WITHDRAWN] Small Amplitude Hunting Instability of High-speed Train Diagnosis Method Based on Modified Ensemble Empirical Mode Decomposition, Shannon Entropy and Least Square Support Vector Machine
Yunguang Ye, Jing Ning
To monitor the state of small hunting instability for the train at a high speed, aiming at the problem of mode splitting of ensemble empirical mode decomposition (EEMD), a new methodology which combines modified ensemble empirical mode decomposition (MEEMD), Shannon entropy feature and least squares...
Electrochemical deposition of ZnCO2O4 nanosheets on Ni foam for supercapacitor applications
Bingjun Guo, Haicheng Xuan, Yangyang Hao, Yuekui Xu
This study describe the method of electrochemical deposition to create ZnCO2O4 supported on nickel foam for capacitor applications. Using scanning electron microscopy (SEM) and other electrochemical methods to of sample materials demonstrates the nanostructure and chemical performance of substances grown...
Prediction in sustainable development capacity of water resources
In accordance with the variation, this paper divides the indexes for sustainable development of water resources into five categories. And the appropriate forecasting methods to predict the direction of the data in future is given, to lay the foundation for further study of changes in sustainable development...
Reliability Assessment of Wind Power Growth Planetary Gear Train Based on Dynamics
Chunguang Wang, Shuai Yue
From the reliability point of view, the main failure modes of load-split wind power growth planetary gear train are determined by failure mode and effect analysis method. The engineering practice and typical stress and intensity distribution are considered, the probability distribution of random variables...
The rotor fault prediction based on support vector regression and phase space reconstruction
Support vector regression (SVR) is a popular machine learning method that develops these years and has been widely used in the prediction field. But the input feature vectors largely affect the accuracy of the forecast er-ror, so the feature vector choice has been the hot issues of attention and research...
Research on Sample Dataset Balance Method of SVM Based on GA
SVM was widely used in fault diagnosis, and achieved good results. However, the unbalance between normal sample datasets and fault sample datasets made it very difficult to establish a proper diagnosis model. For ac-tual diagnosis, the normal samples are usually more than the fault ones, and it will...
The solution to water shortage in Ukraine based on Multi-objective programming model
Proposing solution to clean water shortage is of great importance to all citizens of the world. In this paper, we do a research on water conditions of Ukraine, which indicates that a perfect intervention plan for solving the problem of water shortage is needed. We provide the solution on the two aspects,...
Path Planning for Robot Based on Improved Artificial Potential Field
Guoqing Qiu, Ting Niu, Qianqian Kou, Cheng Liu
Aiming at the disadvantages of the traditional artificial potential field method, target is not reachable and the robot is easy to fall into local minimum point, the paper proposes an improved potential field function of arti-ficial potential field, a formula factor is added to the repulsive force field...
Micro-video Data-Acquisition System Design
Zhengzheng Liu, Hai Ji, Sanxing Cao
In recent years, more and more studies about micro-video emerged with the increasingly rapid development of micro-video. This Micro-video Data-Acquisition System gives a method that how to obtain the structured da-ta and the unstructured data of the micro video, and the system has got data of micro-video...
Study on Water Conservancy and Hydropower Engineering Risk Analysis
The water conservancy and hydropower engineering is built to make full use of the amazing power of water, while there exist variety kinds of risks in the process of the system building and operation. Based on the anal-ysis of the definition and structure of water conservancy and hydropower engineering,...
Membrane Separation Technology for Wastewater Treatment and its Study Progress and Development Trend
This paper introduced the definition and characteristic of membrane separates technology. Stated several con-ditional methods such as micro filtration, reverse osmosis, ultra filtration, nanofiltration, electro dialysis, liquid membrane, etc. Prospected the development of membrane separation technology.
Thermodynamic Studies on Simultaneous Desulfurization and Denitrification by Chlorine-based Composite
This paper studied the reaction mechanism and got the overall reaction equation based on the experimental study and the analysis results of desulfurization and denitrification by chlorine-based composite. And studied the chemical and thermodynamic properties of simultaneous desulfurization and denitrification...
The Development and Research of the Thermal Material
The year 2016 has witnessed the booming of the thermal material in the field of clothing. Scientists are trying to explore three prime means to make the idea that materials themselves can spontaneously produce heat and warm into reality, including hydrophilic material, solar-energy storage material and...
The study of phenolics content in the emblica fruit wine
Minjie Li, Ya Xiong
Emblic fruit wine rich in alcohol, phenolics. This experiment adopts the reverse high performance liquid chro-matography (HPLC) method for emblic leafflower fruit wine representative of phenolics gallic acid, quercetin content determination of study; And the emblic leafflower fruit forint phenol method...
Hydrogen sulfide gas drilling site online spectra monitor Feasibility Study
Guoliang Li, Mingzhu Chen, Mengjie Gao
Through the hydrogen sulfide and other common small molecular gas near infrared absorption spectrum analy-sis, propose that analyzing spectral absorption peak at a wavelength of hydrogen sulfide 1.578um neighbor-hood undisturbed common gases and water vapor from small molecules, which can be used for...
The Application of Post-Stack Geostatistics Inversion in the Prediction of Narrow Channel Sand Body
Aiming at the big difficulty in predicting the inner front narrow channel sand body, by the example of P group reservoir of the G oilfield, we have discussed the application of post-stack geostatistics inversion in the prediction of narrow channel sand body. During the process of application, combing...
Study on Synthesis and Properties of Multi-amine Imidazoline as Asphalt Emulsifier
Xiangjun Kong, Chengduo Qian, Yan Lin, Weiyu Fan
Two kinds of multi-amine imidazoline E1 and E2 are synthetized as asphalt emulsifier by the long-chain organ-ic acids and polyethylene polyamine. The purpose of adjusting the mixing time of asphalt emulsion and aggre-gate can be achieved by controlling the head group number of hydrophilic group. The...
Storage stability and its relationship with microstructure of SBS modified de-oiled asphalt
Ming Liang, Shisong Ren, Weiyu Fan, Xue Xin
SBS modified hard asphalt was prepared by de-oiled asphalt and radial SBS at 170 by high speed mixer. The samples were evaluated by conventional properties and fluorescence microscopy. Conventional properties showed that SBS drastically improve the high temperature stability and low temperature crack...
Analysis of several ferroelectric materials
Nowadays, ferroelectricity materials are widely used. Many researchers have put effort into it to make further exploratory. This template explains and demonstrates several ferroelectricity materials. It includes piezoelectric materials, BaTiO3 ceramics and multi-material iron. We take their nature and...
Study on Joint Driving Characteristics for Powered Exoskeleton Based on All-Joints Driving Model
Mingkui Zhang, Wenming Cheng, Fang Liu, Huaixian Li
In order to study the changing characteristics of the driving torque, the driving power and the driving energy of all joints for the powered exoskeleton in the squat stance, multi-rigid-body system dynamics model of the powered exoskeleton was established based on the somatic structure characteristics...
Transmission-type Window of HFCVD Diamond Film for Microfocus X-ray Tube
Lei Zheng, Huarong Liu, Junting Wang
Operating the microfocus X-ray source at high power is required to achieve high temporal resolution. Howev-er, the thermal loading of the anode focal spot is a limiting factor in determining the maximum power of an x-ray tube. In this paper, a transmission window based on polycrystalline diamond, for...
Modeling and kinematic simulation of the telescopic sleeve anti-swing device based on Adams depend on crane rotating
Guangdong Han, Haiquan Chen, Wenhua Li, Shanghai Wang
For offshore crane in the operation process, due to the suspension of lifting wire rope belongs to the flexible parts and wind, wave and ocean environment. These cause the load swing. A new type of offshore crane tele-scopic sleeve anti-swing device was proposed. It uses the casing of the rigid constraints...
Tunnel Robot Obstacle Avoidance Control Based On Ultrasonic and Vision
Xiaorui Hu, Xiaolong Zhou, Xiaoxue Guo, Xinpin Li
Knowing the distance information of the obstacles is good for planning process path for mobile robot. Based on ultrasonic and machine vision range finding principle, we design a mobile robot multi-sensor ranging system, the measurement of 0 ~ 200 cm distance obstacle, measurement error is less than 1%....
Design of a new Type of Artificial Reef
Shaojie Jiang, Wei Wu, Linglong Zong
Because of over fishing and environmental pollution, global fisheries resources is declined shapely, many natu-ral fisheries were severely damaged. At present, marine ranching construction has been developed rapidly in the coastal countries, and has obtained the good effect. Artificial fish reef is the...
Research on Path Planning and Obstacle Avoidance for Tunnel Mobile Robot Based on Visual Navigation
Xiaolong Zhou, Xin Wan, Xiaoxue Guo, Xinpin Li
With the development of science and technology, the mobile robot has been widely concerned at home and abroad. Great potential for mobile robot applications. Applications include automatic driving, unknown field exploration, industry and agriculture production automation, dangerous environment no work,...
Research Progress of the Modified Wood Powder for 3D printing
J.S. Zhang, Y.T. Yang, Z.K. Qin, J.J. Luo, W. Gao, S.L. Wei
3D printing leads to the changes in manufacturing process, and the research and development of 3D printing supplies is considered as the core competitiveness of this technology. In this paper, it reveals the wood pow-der modification by establishing performance index of impulse process model to realize...
A Live-working Robot with a Fast Line up And down Function
N.C. Ou, W. Li, L.F. Li, S. Zheng
In this paper, mainly research on a Live-working robot in power transmission line, it composed with Live-working robot unit and operation platform. The operation platform use to support the whole robot line up and down. Under the action of machine, insulation winch and the rope concerted action in order...
Sustainable Renovation and Low-Energy Retrofitting of Houses in Rural Areas of Southern China
This article focuses on the low-energy retrofit in the context of rural areas in southern China, where countless houses are being renovated to enhance their facade appearance. It explores the feasibility of the integration of present facade renovations with energy retrofit strategies to turn this vanity...
Stiffness optimized research of high damping rubber bearing for beam bridges
Yu-min Zhang, Ling-bo Wang
Damping and isolation effect of high-damping rubber bearing with different combination have been studied for a continuous girder bridge. Dynamic time-history analysis has been taken by earthquake waves with exceeding probability to be 40 percent, 10 percent and 2 percent. The influence for seismic responses...
Study on Car Seat Ease-of-Use Rating Based on Safety Factors in China
Kai Liu, Yubin Qian, Lingyun Xiao, Honglei Dong, Wenhao Hu, Yan Wang, Jinhuan Zhang
Children are one of the most vulnerable groups in traffic accidents. Correct use of car seat can effectively reduce the children's injury and fatality in traffic accidents. First of all, this paper analyzes the trend of the children's injury and fatality caused by traffic accidents in China, and introduces...
Collaborative Filtering Recommendation Algorithm Based on label of tourist spots and User Preference
Ya Zhou, Cailin Hu, Han Xiong, Ling Li, Xiafei Wei
The traditional collaborative filtering recommendation algorithm relies on the user's scoring relation to the item. However, user's behavior data in the filed of tourism industry is sparsely, and the interaction between the data are few. These problems lead to the traditional algorithms are lacking of...
Real Terrain Modeling and Application Based on DOM
Yongsheng Wang, Xiao Liu, Qizhi Zhang
When creating artificial 3D natural scene, the terrain is complicated and working quantity is huge, relying on traditional modes for field investigation, mapping and modeling usually needs to consume rather quantity of manpower, material resource, financial resources and vigor. Rapid interception method...
A Brief Talk on the 3D Scanning Reconstruction Program Based on Kinect and its Application
Yongsheng Wang, Qizhi Zhang, Xiao Liu
By combining the Kinect (a somatosensory device) with a supporter and a rotary wheel and using a 3D scanning software named KScan3D to realize a quick scan of the human body, this paper constructs two scanning systems, one of which is equipped with a handheld single-camera comparing to the other adopting...
Research on Unified Application Development Framework for Real Time Data Center
Sheng Zhou, Min Tao, Xianhui Li, Shengpeng Ji
Real Time Data Center is a centralized place for time sequence data storage and management. With the continuous improvement of the practical level of Real Time Data Center , more and more applications are developed based on it. However, the applications upper on the Real Time Data Center are lack of...
Classification of debit card customers based on AHP and K-means
Chunxin Jiang, Weidi Dai, Wenjun Wang, Yunqiang Jia
Debit card business is a very important business, bank debit card and bank users the most on the one hand, so every year the debit card user transaction data is very huge, in what is now the era of big data, data is wealth, we have huge debit card transaction data, you need to use big data technology...
Research on The Efficiency of Commercial Bank Branches Based on Weight-restricted DEA Model
Yunqiang Jia, Xuewei Li, Wenjun Wang, Chunxin Jiang
Financial industry is facing unprecedented challenges, especially fierce competition between commercial banks, so it is urgent for us to solve a problem of comprehensive analysis and appropriate suggestions for the development of commercial banks. This survey uses a commercial bank's input and output...
Traffic Flow Prediction Based on Combined Model of ARIMA and RBF Neural Network
In this paper, a combined model of ARIMA and RBF neural network is proposed by combined the good linear fit ability of ARIMA and the strong dynamic nonlinear mapping ability of RBF neural network. The velocity of microwave is predicted in real time with the consideration of the temporal characteristics...
Throughput analysis and real-time evaluation algorithm design of neighbor nodes for multi-hop mobile ad hoc network
Recently, distributed coordination function (DCF) protocol, standardized by IEEE 802.11 group, has played a dominant role in medium access control (MAC) layer of mobile ad hoc network (MANET). However, due to nodes mobility and topology dynamics, theoretical analysis models of DCF are limited to single-hop...
Design of mooring system
The main research of this paper is that the optimal scheme for the design of a mooring system in a different state is to balance the whole system. In order to accurately describe the relevant position, length, shape and tilt Angle of the object, this article is based on the minimalist principles, in...
Maximum Admission Capacity Model of Distribution Generation in Active Distribution Network
The optimal planning of distributed generation which intends to maximize the capacity genetration of distributed generations (DG) is mainly studied in this paper. Firstly, the probabilistic models of wind power generation and photovoltaic power generation are established under the premise of considering...
Some Searching Methods For Lost Planes
In the morning of the 8th march 2014,the Malaysia Air's MH370 scheduled flight which was flying to Beijing lost connection with land. There are 227 passengers and 12 flight crews.A fter losing connection, the authorities started to the fragments of MH370, but they didn't find any fragment. Motivated...
The optimization of DG capacity using PSO based on immune algorithm
For the model of optimization of DG accession capacity, improved Newton-Raphson algorithm is used to calculate the power flow. The particle swarm optimization algorithm based on immune is used to optimize the model, and the maximum capacity of DG is obtained. Finally, the IEEE 33-bus distribution system...
Smart Growth, Smart City
Smart growth, a strategy to build sustainable cities, has been proposed to prevent urban sprawl, for example, by using compact development. This paper develops Smart Growth Measure Model to measure the success of smart growth of a city, and uses two specific cases to demonstrate the model. Based on the...
The Hybrid Model Named CSEI to Evaluate The Water Resource
The regionalization of the assessment to rationally utilize and develop water resources and planning for the amelioration of the water scarcity status is very important and has practical significance. Motivated to evaluate the water resource situation of a region more accurately, a hybrid model and a...
A method for determining the spatial attitude of the mooring system
In this paper, the stress condition and design method of single point mooring system in shallow water observation network are studied.We analyze the force condition of the whole system,through the stress point of the lower end of the chain hypothesis,we can get the relationship between the depth of water...
New air pollution evaluation index based on AQI
Our goal is a model that can evaluate the grade of air quality index and a model can calculate the air quality index in a synthetic way.The air quality index considers the effect of six pollutants(PM2.5,PM10,SO2,NO2,CO,O3).We can find O3 has so little influence on AQI that we can ignore the effect of...
A Measurement Model to Determine the Ability of a Region to Provide Clean Water
Freshwater resources are the basis for the survival of many organisms, especially for human. However, freshwater resources are gradually scarce. To provide people with more freshwater, the first thing we need to do is to determine the ability of a region to provide clean water to meet the needs of its...
Study on the Influence of Opening Residential Quarter on Road Capacity
The concept of opening residential quarter has aroused the concern of all sectors of society. Influence on road capacity is a major focus of attention, including optimizing the road network structure, improving road capacity and improving traffic conditions. In this paper, in order to analyze the influence...
Analysis and measures of commutation failure in HVDC transmission
The commutation failure in HVDC inverter is one of the most common faults. Based on the inverter commutation process, this paper analyzes the work of the inverter commutation process and the reason for commutation failure. Learning from the commutation current time area method, it puts forward the method...
Short Term Power load Forecasting Considering Meteorological Factors
To forecast short-term power load, we first establish GM (1, 1) grey forecasting model and test the correlation of the predicted values. Considering the impact of meteorological factors on modern power system, we establish a load forecasting model based on principal component analysis and multiple linear...
Analysis and Prevention of Tubeburst in Rear Platen Superheater of Boiler
Ke Liu, Hui Liu, Fanjun Hou
Tube burst occurred on Rear Platen Superheater in No.4 boiler of a power plant. Failed to timely discharge condensate water after an emergency shutdown boiler, and then start again, which leading to water blocking in superheater unit caused tube burst. Contrasting the water blocking accidents recent...
A System of Usability Evaluation of Confocal Microscope Based on Fuzzy Analytic Hierarchy Process
Yan Zhou, Liang Liu
As many usability evaluation studies have been conducted in fields of daily-use products, little attention are put on special devices like microscope, surveymeter or other instruments. This paper attempt to establish a system of usability evaluation of microscope through FAHP methods. The usability evaluation...
Study On Oxidation of Calcium Sulfite in Wet Sintering Flue Gas Desulphurization Process
Zhaohui Zhang, Jiangkai Wan, Bailong Liu, Hanlong Jiang
Due to oxidation of calcium sulfite in wet sintering flue gas desulfurization process, it has difficulty in comprehensive utilization of desulfurization gypsum (DG). Based on the analysis of principle and characteristics of wet flues gas desulfurization, reasons and resolve solutions for oxidation of...
Research on Posture Comfort Degree Based on Biomechanics and Its Application
When working or exercising, the human body is coordinated by its movement feedback system, which always coordinates various parts of the body to a high level as much as possible. Research on posture comfort degree based on biomechanics can make the results of adjustment intuitive and make the description...
Health Diagnosis Method of Power Distribution Equipment Based on Holographic Time-scalar Measurement Data
Bing Chen, Ren Wang, Yang Zhou, Chenhui Peng
With the continuous expansion of the distribution network, resulting in a large amount of running data. The integration of Realtime Database and distribution network system make it prossible to record distribution holographic scalar measurement data. This paper studied the deep integration of Realtime...
An Optimization Algorithm of Selecting Initial Clustering Center in K - means
Tianhan Gao, Xue Kong
The traditional stand-alone K-means clustering algorithm has the limitation of time consumption and memory overflow when dealing with large-scale data. Although this problem is solved with the help of MapReduce framework. However, the clustering accuracy effect is not stable due to the selection of initial...
Research on Text Mining of Biomedical Field Based on Pubmed
Kang Li, Weidi Dai, Wenjun Wang, Ruixin Song
The field of biomedical science is one of the most studied areas of the 21st century, the field has published a huge number of research papers, which have averaged more than 600,000 articles a year. How to effectively obtain knowledge in the vast literature of research is a challenge for researchers...
Seismic Performance Analysis of RC Frame Teaching Building in Lushan Middle School
Baitao Sun, Zhou Huang, Peilei Yan
This study analyzes the time-history subject to the teaching buildings who had the framework structures in Lushan middle school. The main parts of the framework structures suffered a little damage but their infilled walls were damaged severely in Lushan Earthquake. The study introduces the general background...
Analysis on the Current Situation and Countermeasures of Elevator Safety in China
Qi Lan, Dandan Zhang, Yalei Li
There is in general no big fluctuation in elevator safety in China, but there are still underlying problems in elevator safety guarantee, such as enterprises' excessive pursuit of profit, inefficient maintenance and weak social safety consciousness. Considering those problems, this paper suggested getting...
Pipeline Optimization Design Based on Adjoint Solver
Da-guang Li, Ying Zhang
Adjoint optimize solver is a discrete optimization algorithm based on gradient optimization method. It has higher efficiency and lower requirement on engineering experience in comparison with traditional engineering optimization method, and has been gradually applied in every engineering industry. In...
Design of stepper motor position control system based on DSP
Guan Fang Liu, Hua Wei Li
In order to solve the problem that the stepper motor is prone to out-of-step or overshoot in the case of open-loop control, this paper designs a digital signal processor (DSP) position closed-loop control of stepper motor. The overall structure of the system, the main hardware module and the incremental...
Water Situation is Known
Water Supply has drawn a great deal of attention from the entire world for recent decades, while the available water is scarce in many countries and regions. The aim is to build a mathematical model to measure the ability of a region to provide clean water to meet the needs of its population, and use...
Further research on the coupled Influence of Temperature and Stress Field to PCB' Modal
Qin Luo, Ke Yao, Chuangmian Huang
The coupling analysis of temperature and vibration has been an important branch of domestic and international research. Influence of Temperature and Stress Field to PCB' Modal has been described in previous articles . In this paper, vibration stress analysis method based on ANSYS considering temperature...
Neural Network Load Forecasting Model Based on BP
Short-term load forecasting is the basis of power system operation and analysis, which is of great significance for unit commitment, economic load dispatching, safety checking and so on. As a result, improving the accuracy of load prediction is an important way to ensure the scientific decision-making...
Research on Numerical Integration Algorithm in Molecular Dynamics Simulation
Molecular dynamics is a combination of physics, mathematics and chemical synthesis technology. Molecular dynamics method is a computer simulation experimental method, which is a powerful tool for studying condensed matter system. This paper mainly introduces the development of molecular dynamics simulation,...
Study on Plantar Pressure of People in Different Age During Level Walking
To investigate the influence of age on plantar pressure in normal people during level walking, ground reaction force data from 20 normal people of different age were collected by the employment of Three-Dimensional force platform system, and the force data in anterior-posterior, medio-lateral and vertical...
Research on fusion method of elements in product design
Li Lin Yang
This paper studies the performance method of modeling elements in product design, through the analysis of elements in the form of evolution form, explores the creative method of modeling elements, the visual expression of other elements and the visualization of the elements of the decomposition and product...
Research and Design of the Holiday lights Control System based on PLC
In the paper the system designs holiday lights for hotel based on PLC control. The first design is to determine the overall program design according to demands of hotel. The hardware design function is selecting module CPU and giving the corresponding external wiring diagram. The most important part...
The difference between Treg cells and naive T cells analyzed by cluster analysis
This article hopes to find differences in the function of Treg cells and naive T cells by high-throughput analysis. With the increasing demand for low-cost sequencing, the development of high-throughput sequencing has been promoted, which multiplexes the sequencing process and produces thousands or millions...
Summary on Facial Landmark Detection
Facial landmark detection has important applications in many aspects such as facial recognition, expression recognition, facial attributes analysis, and so on. It compares the detected images with images in dataset to find matched faces, which achieves the identification purpose. Because of its wide...
The optimization model on the temperature of a bathtub
It is always a challenge for us to maintain the temperature throughout the bath water. To solve this disturbing problem, we set up two models to deal with the problem.The first model, called the water adding model based on the uniform temperature distribution, is set mainly about finding out the best...
Vehicle Idling Stop&Start Testing System
Vehicle fuel economy is poor, because the urban traffic is congested, the auto is constantly in the idle condition resulting in the increase of fuel consumption. In order to improve the vehicle fuel economy, the experimental scheme was designed through analyzing the work mechanism of automobile Idling...
Dynamic modeling and control of flexible manipulators: a review
In this paper a survey of flexible robotic manipulators has been carried out. The significance of flexible mechanical arms is considered compared with traditional robot arms .The applications of flexible mechanical arm are introduced. Papers are classified according to flexible manipulator modeling technology...
Research on synchronization algorithm for high speed terminal OFDM system in space and earth integrated network
Focus on low signal-to-noise ratio and reliability of terminals with high speed, this paper puts forward the study on synchronization algorithm for high-speed terminal OFDM system in space and earth integrated network. We build a simulation platform of OFDM system high-speed channel, to test the performance...
Management Information System
In this paper, combining the comprehensive level, business functional areas and industry characteristics, we classify the Management Information System in the field of integrated. Firstly, in the introduction, we will discuss the history of the developing concept, Management Information System. And then,...
An analysis of transportation networks in Baoding city
With the improvement of living standard,more and more families tend to own their vehicle,which raise the traffic pressure in city of China and make the pollution more serious such as haze.In order to alleviate these pollution,necessary method should be taken to limit the motor vehicle,and at the same...
Bottlenecks in Passenger Throughout at The Airport
In this paper, The Generalized Stochastic Petri Net simulation model is established to analyze the flow of passengers, bottlenecks, potential modifications, cultural differences' influence, and several recommendations are given to security managers.First, the current security checkpoint process in US...
Bibliometrics Analysis for Rough Set Field Research in China
Yuanren Wu, Shuyan Li
Based on 6091 papers for rough set field collected by critical journals and CSSCI in China Knowledge Internet (CNKI) from 2000 to 2016, analysis are made by bibliometrics. Citespace Software is applied. Quantity of issuing, key words, issuing authors and issuing authorizations for rough set research...
A Novel Damage Model of Fatigue Life Prediction for Metallic Structures
Yibing Wang, Yuanming Xu, Xinling Liu, Kai Zhao
Fatigue failure is a mail form of engineering structures, especially for aircraft structures. Crack initiation and propagation threat to flight safety. So far, there has been a variety of methods in fatigue life prediction. Within them, damage mechanics method is a special engineering calculating method....
Comparison of Two Procedures in Application of Numerical Simulation of Shallow Water Explosion in Multi-material Media
Qi Dong, Ting Tang, Zhuo-bin Wei, Ning Zhang
This paper uses the LS-DYNA and MSC. DYTRAN to generate a three-dimensional numerical simulation model of shallow water explosion respectively, achieves a effective simulation of fluid-structure interaction in multi-material media, and simulates the bubble pulsation and propagation of impact wave caused...
Spatiotemporal Distribution of Diagenesis in Siliceous Clastic Rocks
The spatial and temporal distribution characteristics of the diagenesis of the siliceous clastic sequence are controlled by a series of parameters in the early diagenesis, the middle diagenetic stage and the late diagenetic stage. The distribution of sedimentary facies, climate, detrital composition...
Finite Element Analysis of the Generation and Propagation Processes of Electromagnetic Ultrasonic Transverse Wave in stainless steel plate
Xuming Tang, Nengjun Yan
The working process of electromagnetic ultrasonic transducer(EMAT) which involves the intercoupling between electromagnetic field, force field and acoustic field is complex. This paper analyzes the structure and principle of EMAT. And on the basis of it , using COMSOL Multiphysics finite element software...
A Scheme for Intelligent Design of Large Scale Ship Segment Workshop Based on Fuzzy Evaluation Method
Peng Xu, Rui Xue, Wei Fu, Weibin Chen, Yan Ma
The shipbuilding industry, which relates to the national defense construction and the national economy construction, is an important mainstay of our country. In recent two years, Chinese shipbuilding output takes the first place of the world, and China success in becoming the largest shipbuilding country....
The Research of Power System Short-term Load Forecasting
The precision of Power system short-term load forecasting directly is essential in running an efficient and economic power network.For the purpose of seeking reasonable predicting methods to predict electric load in a given period based on existing electricity capacity data,we select similar days of...
Development and main research status of tracked vehicle suspension system
Guoying Xu, Dabing Xue, Xinming Yao, Tao Wang
This paper briefly introduces the development history of the suspension, based on the existing literature, from the two aspects of the development of the elastic element, the shock absorber to introduce the history and development of suspension system. Combined with the research status at home and abroad...
Research on global buckling mechanism for submarine pipeline under high temperature and pressure
In order to maintain the flowability of oil, the pipeline is applied high temperature and pressure in working condition. This high temperature and pressure differences makes high stress accumulating in the pipeline, leading to pipeline global buckling. Excessive buckling deformation will cause the pipeline...
Design of electric power package for different user groups
Design the electricity packages for electricity sales company in the context of electricity reform .We Research two provinces (Guangdong and Heilongjiang) with large geographical differences, and access to the monthly electricity consumption of urban residents .Taking into account the regional differences...
Design on Mooring System of Proximal Shallow-sea Observation Network
Transport nodes of proximal shallow-sea observation network consists of buoy system, mooring system and underwater acoustic communication system, in order to make the underwater acoustic communication equipment achieve required effects, it is very important to design the structural parameters of mooring...
The Solution To The Damage Of Kariba Dam
The Kariba dam spans the border between Zimbabwe and Zambia and has two power stations in the north and south, providing more than 50 percent of electricity to Zambia and Zimbabwe and benefiting about 4.5 million people. But now the Kariba Dam was damaged seriously. Once it collapses, it will directly...
The influence of location of the school on school evaluation and investment
we classify them into 3 big classes according to the economic development area labeled 1 to 3 by using the fuzzy clustering method. Then we give the regional factor a weight so that the colleges in less developed area can receive more money.
Multi-objective Optimal Load Distribution Based on Decomposition-Coordination Method of Large Scale Sy
Kang Liu, Yu Lu, Hai Lu Wang, Feng Jiang
This paper divides a model of complicated system which includes numbers of fossil-fueled power plants into a two-tier structure model with coupled subsystems, using decomposition-coordination method of large scale systems. The method consists of Lagrangian relaxation, sub-gradient algorithm and particle...
Periodic solutions to ZK-MEW equation in the form Lame equation
Chun-Huan Xiang, Hong-Lei Wang
The periodic solutions to ZK-MEW equation is investigated based on an auxiliary Lame equation and the perturbation method. The periodic solutions to ZK-MEW equation is given in the form of Jacobi functions and expressed by the hyperbolic functions, the trigonometric functions with different modulus m....
Water/methanol Repellency and Preparation of Biomimetic Silver Film on Butterfly Wing
Yan Fang, Gang Sun, Wanxing Wang, Jingshi Yin
The hydrophobicity and oleophobicity (methanol repellency) of butterfly wing surfaces were measured by a video-based contact angle (CA) meter. The multi-dimensional microstructure of the wing surfaces was characterized by a scanning electron microscope (SEM) and an atomic force microscope (AFM). The...
Complex Wettability and Coupling Mechanism of Locust Wing
Yan Fang, Gang Sun, Wanxing Wang, Jingshi Yin
The complex wettability, chemical composition and microstructure of locust wing surface were investigated by a video-based contact angle (CA) meter, a Fourier transform infrared spectrometer (FT-IR) and a scanning electron microscope (SEM). The wetting mechanism was discussed from the perspective of...
The Role of Multiple-dimensional Microstructure in the Low Adhesion and Superhydrophobicity on the Wing of Tiger Moth (Arctiidae)
Yan Fang, Gang Sun, Wanxing Wang, Jingshi Yin
The micro-morphology of the moth wing surface was characterized by a scanning electron microscope (SEM). The contact angle (CA) and sliding angle (SA) of water droplet on the wing were measured by an optical CA meter. The wetting mechanism was discussed from the perspective of biological coupling. The...
Research and application of GPU pass-through based on KVM in desktop cloud
Lin Zhou, Jianxin Song, Jinkun Yuan, Haifeng Han
At present,the desktop cloud has come into people's life.You'll see them in some companies, offices, and school labs.The problem I am trying to solve in this paper is that because the computing power of virtual desktop is provided by the virtual machine,and then transmit data to the virtual desktop to...
Design and Implementation of Non - base Station Multi - level Communication Network Based on Link16
Junhao Ouyang, Shaojing Su
This paper introduces the establishment of multi-level communication network through wireless module based on link16 data link protocol in the absence of fixed center communication nodes such as base stations, thus realizing bidirectional transmission of communication front-end to control center data....
The Study of Air Flow for Uniform Profile Numerical Simulation and Influence Factors
This article use Fluent to make numerical simulation of air flow for uniform and around airfoil profile. By changing different angle of attacks and different profile shapes, I analyze the distribution of pressure velocity and temperature field around profile to further evident the application value of...
Analysis on the Suitability of Residential Buildings from the Perspective of Systematic Integration
This paper proposes the idea of suitability of residential buildings from the perspective of the systematic integration. Architect's responsibility is in each kind of the material foundation decided which new function system can advocate, and that causes the people maximum limit benefit in the construction...
Smart cities choose smart growth
As the world continues to urbanize, sustainable development challenges will be increasingly concentrated in cities. Integrated policies to improve the lives of both urban and rural dwellers are needed.We define a metric to measure the success of smart.We set up an index system that can measure the success...