After a comprehensive analysis of the characteristics of slope anchor structure, a mature reliability theory model in durable life prediction field is applied to predict the life of this structure, and support vector machine method is used to solve the probability density estimation for predicting factors...

Traditional mosaic methods of unmanned aerial vehicle (UAV) need ground control points, which are difficult to implement in the emergency situation. A new image mosaic method on small unmanned aerial vehicle is proposed. The method uses the Harris algorithm to extract the feature points and refines them...

This article clarifies the possibilities and advantages of deep learning which LC support to be realized, from the concept and connotation of the information commons, deep study, and propose the design principles and design models of LC promoting deep learning, specifically describes the point which...

A higher precision reconstruction method for MTF, not constrained by the slant edge angle, is proposed. The improved method adopts new techniques of gradient operator and moving window in ESP sample refinement to gain more accurate and robust MTF estimated results. Experiments show that the new method...

We set up the predicted model of country’s development based on Runge-Kutta method to predict the development’s trend of a country. When a country is in the absence of policy interference, we regard economy, society and environment as competitors in a biologic chain and obtain the Lotka-Volterra equations....

With the explosive growing of data, there are challenges to deal with the large scale complex data. Many clustering algorithms have been proposed. Such as Affinity Propagation (AP) clustering Algorithm, AP takes similarity between pairs of data point as input measures. AP is a fast and efficient clustering...

With the explosive growing of data, there are challenges to deal with the large scale complex data. Many clustering algorithms have been proposed. Such as Affinity Propagation (AP) clustering Algorithm, AP takes similarity between pairs of data point as input measures. AP is a fast and efficient clustering...

Train Operation Control System is a typical Cyber-physical System which is combined with sensors, decision-making control unit and actuators. There are more and more sensors are used in railway, as a result these sensors produces Big Data stream data. In view of this situation, we propose the architecture...

Because of lack of aspect-oriented programing technology during the early stage of soft programing, this paper developed a method which combines the aspect-oriented programing technology with formal specification language. Aspect-oriented programing technology separates the different concerns of system.Formal...

In nowadays’ society, the informationization and intelligentization of the articles (e.g. household articles, articles of daily use, etc) has gradually walked into people’s sight. To ensure the normal operation of the electrical equipment and the realization of the automatic processing under certain...

In order to study the effects of interlayer strength, interface strength and interface dip angle on the propagation of interface crack in layered salt rock subjected to compress and shear load, traction-separation cohesive behavior is introduced within the framework of extended finite element method...

In order to solve the problem of non-linear modeling of hydraulic system, a modeling method based on BP neural network is put forward. The complex hydraulic system, according to the structure and relationship of hydraulic system, is divided into simpler subsystems, a complete network is established and...

Sensitivity study, the premise of the analysis of reservoir damage mechanism, is significant to optimize all the links of drilling and development process, as well as to develop the systematic oil and gas reservoir protection technology scheme. To study a variety of methods developed in recent years...

Many factors, such as over-voltage and switch on or off, could produce FREMP which will affect the normal work of electrical equipment. High voltage disturbance signal may lead to the function degrade of equipment and the equipment will be damaged when the disturbance signal voltage exceeds a certain...

In the existing logistics enterprises in our country, the logistics service level is not very well. Most enterprises are still limited to traditional pattern of service consciousness. It hindered the development of the enterprise seriously. Under the impetus of the e-commerce, China ushered a new era...

The research goal of traffic flow theory is to set up a traffic flow model which can describe the actual traffic general characteristic, finding the basic rule of traffic flow. Due to the nature of the cellular automata, applying the cellular automata to the traffic flow has become a hot issue in the...

Space junk, one of the man-made pollution, is destroying the satellite's safety, ultimately making low earth orbit (LEO) unusable. Many countries, such as Japan and U.S., have been proposed many different methods for remediation of the orbital debris environment over the years, including the use of lasers,...

It’s acknowledged that the problem of the scarcity of space resource is getting more and more serious since there is too much space junk floating in the orbits. If orbital debris couldn’t be removed in time, there would be a collision between operational spacecraft and orbital debris every 5 to 9 years...

We analyze the Analytic Hierarchy Process (AHP) and the Technique for Order Preference by Similarity to Ideal Solutions (TOPSIS). We build an old model based on the combination of them, which is named AHP-TOPSIS. The old model is built as: First, use the AHP to determine the weight of each factor on...

In this paper, we do the best to extend the time of bathing without wasting too much water. In the Lumped Parameter model[1], we predict the change of temperature by the use of Runge-Kutta method. We also consider the heat dissipation between the water and the bathtub wall as well as the air. And we...

We study the thermal transmission of the fluent water whit steady velocity. First we divide the water into lots of little grids in two-dimensional space and study the temperature distribution of the fluent water. To make accurate numerical calculation, we then regard the grid in fluent water as an open...

The article established mathematical models to gain the temperature field of water in a bathtub of different shapes. At the beginning, the basic model including heating and cooling model is established on condition that the bathtub is 1.8 0.7 0.8 cuboid without a person in it. Afterwards, the shape and...

In order to study the influence of the design parameters of baffled demister, the efficiency and the pressure drop of the inlet and outlet of the blade with different structure parameters and operating conditions were calculated by using the discrete phase model of Fluent. The results show that the parameters...

we use the governing equation and continuity equation to build a two-dimensional model of water temperature on micro element theory. Because the partial differential equation is difficult to obtain its analytical solution, we use finite difference method to work out numerical solution of the model.

Under the condition of using the least time, we hope to minimize the cost. As is known to all, the shorter distance is, the less money we spend. Thus, the problem of cost is transformed into the problem of distance. We choose four addresses as supply points and view the amount of medicine which they...

Firstly, In order to make the temperature of water in tub fixed, thus, the quantity of heat of water from faucet is equal to the heat loss of water in tub . Secondly, according to thermodynamic energy formula, we get that the quantity of heat of water from faucet has relation with its temperature and...

In this paper, the evaluation and prediction model is presented to measure the ability of a region to provide clean water to meet the needs of its population. Considering that the dynamic nature of the factors affects both supply and demand, this model is improved by using the SD theory. And what the...

In this paper, two models are built to solve the water scarcity problem, from which 1.6 billion people are suffering. In order to improve the water scarcity situation, an interbasin water transfer model and an agricultural water-saving model are built

In order to create a comfortable and cost-effective hot bath condition for everyone, we invent a bathroom environment to simulate the process of people taking a bath. Then, What are a hot bath made of There must be a bath crock, a tired man who is eager to clean himself. In this way, we got the two key...

We study the thermal transmission of the static water. First we divide the water into lots of little grids in three-dimensional space and study the temperature distribution of the static water. To make accurate numerical calculation, we then discuss the thermal transmission of the typical grids and establish...

This article mainly introduces the design of the continuous and automatic controlled congestion irrigator based on STC230 color sensor, which contains hardware design and software design. There are three aspects being taken account of in hardware design. They are the power supply, the whole single processing...

This paper discussed the development process of designated driving application on Android platform, using Android SDK, Eclipse IDE to build and Ali cloud sever for back-stage management, and explained the key technologies of the building of android platform and Ali cloud sever in a further step. By the...

Proposing solution to clean water shortage is of great importance to all citizens of the world. In this paper, we analyze and evaluate water supply capacity in a region based on building mathematical model by analytical hierarchy process (AHP) and fuzzy comprehensive evaluation. First of all, hierarchical...

Based on multiple embedding theory, traditional multi-scale entropy is optimized by local characteristic-scale decomposition (LCD) and fast kurtogram (FK) which can be called LFK for short. In the improved method, the vibration signal of rolling bearing is decomposed by LCD and the two component signals...

According to the heat sensitive of projectile-launched plex equipment made by the PE, the ballistic radial friction condition is analyzed. The numerical analysis model of the rotary sliding friction relative speed between the plex equipment and the projectile body is setup. Based on the numeric calculation...

For some passenger car’s torsion beam suspension appearing fatigue fracture problem, a method of structure optimization is proposed. By changing the hard point location of the torsion beam suspension spring, the vehicle’s coupled model is built. Through carrying out the vehicle dynamic simulation analysis...

Retinal fundus image plays an important role in the diagnosis of eye diseases. In order to have a comprehensive understanding of retinal image, doctors need to take pictures from different angles of the patient's eyes. Because of the movement of the eye and head of the patient, there are some differences...

Adoption documentary summary and logical analysis, we discuss the problems and matters needs attention during specific endurance training The result shows that there is a common problem in specific training, that is the weakness in training effect Meanwhile, it leads to backward overall.. level of specific...

Along with the power market reform in depth, the financial capital market as a breakthrough in the power industry reform and development, accelerate the process of electricity market. This paper introduces a method of power market risk hedge futures trend under the system.To ensure that the market depth...

with the fast rapid development of high-speed railway and heavy haul, the company of a locomotive bogie assembly line production capacity and production efficiency needs to be improved. In order to improve the production efficiency of the assembly workshop of the bogie and improve annual output and save...

To evaluate the regional water resources carrying capacity according to the importance of each related factor,we establish a model and sort out indicators that can characterize the ability of a region to provide clean water for its population. The water deficient ratio and utilization ratio of water...

It is difficult but important for the searchers to predict the accident plane. In order to imitate the crashed range of the aircraft, we devise the model of the process of the fragments’ falling. Because of the influence of the current, we are supposed to consider the fragments flow in the ocean current....

First,I begin by establishing the L-WSCI model that takes the factors that affect both supply and demand. These are population growth rate, water availability, domestic, industrial and ecological water usage. This model is developed from the traditional WSCI model. The model’s testing results, whose...

First, I establish the L-WSCI model to compare water resource. There are 5 differentfeasible and efficient intervention plans: Water Project——south-to-north water diversion, desalination of sea water, recycled water treatment technologies,technology of drop Irrigation and urban greenbelt. We take all...

This report builds a s-type curve model which defines the change of per capita water consumption following the change of GDP, and it defines the rate of per capita satisfaction of using water which is considered as the index to judge the ability of the region to provide clean water to meet the needs...

In order to obtain the temperature field of water in a pool with a person inside, this paper established mathematical models by taking the human factors, including static and dynamic factors, into consideration. Firstly, based on the three-dimensional N-S equations and the concept of the equivalent size,...

How to determine the location of the video is the important aspect of video data analysis and date taken, the sun's shadow positioning technology is based on analysising the sun's shadow change to determine the video shooting place and the date of video shooting.

According to the United Nations, 1.6 billion people (one quarter of the world's population) experience water scarcity. Water use has been growing at twice the rate of population over the last century. What should we do to mitigate water scarcity we use Multiobjective Dynamic Programming(MDP) Model to...

In order to propose the optimal route for each refugee[1], we have finished the following work. Firstly, Grey Relational Analysis model is established to analyze the correlation coefficient of a plurality of metrics. The indicators with larger correlation coefficient are chosen as the metrics. In our...

In this paper, a time-dependent model is established to determine the optimal scheme which can bring economically attractive opportunity to a private firm. yield was taken into account in this model (yield is a variable varies from time). We build a time-dependent model to balance the costs and benefits,...

Firstly, we define Z as the index measuring the ability of one region to meet its water demand. Next we design an intervention plan based on most influential factors in Xinjiang. The intervention plan has four aspects: Dispatch water resource, employ advanced irrigation technology, proper pricing mechanism...

This paper discuss the part of temperature, humidity and light intensity sensor in the smart home system based on the STM32. The system uses the DHT11 digital temperature and humidity sensor to get and send the data, and uses the BH1750FVI to perceive light intensity. The paper also discuss the transmission...

To solve searching problem, we will establish a model to describe the trajectory of the falling and determine the drowning point. With the application of kinematics knowledge, we obtain relationship between time and displacement in the both horizontal and vertical directions. We use linear fitting to...

In order to search for crashed planes, we discuss that the resistance changes with velocity of the airplane. Then we draw the settlement trajectory without effects of ocean currents by using Runge-Kutta method. We also do gray-scale processing to seabed topography map around the drowning point to get...

In this paper, four significant factors including the costs, the risks, the benefits, and the interference to other satellites, are taken into account by transferring them to the specific commercial indexes. The transferring calculation is on the basis of a series of integral-differential equations which...

Markov Chain is used for creating a dynamic model of the refugee crisis. we assume that refugees move dynamically between destinations with the transition probabilities which rely on the environmental factors. The model is applied to the current EU refugee crisis, and we obtain the dynamic process of...

Nowadays, the car has become an important means of transportation, the safety of the car has been paid more and more attention by people. The abnormal running will lead to flat tire, TPMS system for the timely monitoring of tire pressure, application of different types of TPMS system are different from...

Our basic model has two parts: to find the relationship between the waiting time and the rate of the vacant taxis arrive, and to find the relationship between the passenger flow volume and the rate of the taxi arriving in the area. In an extended model, we take the Scheduling efficiency into consideration....

The burning of coals in urban and rural areas in northern China is inevitable, and many of them have not taken any measures to reduce the dust and smoke. The burning of coal in urban and rural areas in northern China is inevitable, and many of them have not taken any measures to reduce the dust and smoke....

Currently, one quarter of the world's population is experiencing water scarcity. In order to alleviate this situation, a prediction model which based on quadratic curve fit and the method of Grey Verhulst has been built. We used quadratic curve fit to forecast the comprehensive indicator and the per...

Firstly we build a set of models to describe the temperature of the bathtub water in time. In this section, we analyze the variation process of water temperature under the condition of Natural cooling and injecting hot water respectively through a macro perspective. The Newton’s cooling law and the energy...

Self-reconfigurable robot is a kind of robot that is able to recover its original function after partial damage of the robotic system. This is achieved by making changes on the partially damaged robot. This paper put forward a kind of self-reconfigurable quadruped robot based on the resilient theory....

In order to make the optimization of model, firstly, supporting policies are pro-posed to ensure the optimal migration pattern; the NGO can increase the total amount of goods and improve the environmental carrying capacity. Secondly, the exogenous events will decrease the quota of refugees and increase...

This paper aims to determine the optimal migrating route for refugees. Firstly, we develop a Secondary Fuzzy Evaluation Model SFEM to evaluate the metrics of refugee crises and allocate the refugees of six routes. Eleven factors are chosen as the primary factors of SFEM such as the number of refugees,...

The ability of a region to provide clean water relates to many aspects of the physical and economic elements. We use natural and social indicators to evaluate this feature. To measure the ability of a region to provide clean water to meet the needs of its population, water demand and supply index (WDSI)...

Along with the development of modern warfare, the emergences of various kinds of low-altitude and slow-speed dim targets and sea-surface slow-speed dim targets makes the defensive radar be faced with increasingly severe tests of detecting in clutter; currently, it is difficult for a regular single radar...

The signal source based on signal injection scheme which is the main equipment of fault location in distribution network injects AC constant current signal to fault lines. However, its constant current value can’t be changed according to characteristics of lines. This paper proposes a high power signal...

Now space debris poses a serious threat to humanities efforts at space exploration as well as the expanding uses for earth-orbiting satellites. This thesis is to predict the growth trend of space debris. We construct the Space Debris Growth Model. Based on statistics in past years, Least Squares and...

In recent years, with the construction of smart grid, the participation degree of the demand side to the power market is increasingly high. For the identification of the load is like a list of electricity, can help the user side to better respond to peak and valley price, reasonable arrangement of electricity...

Landslide is a common kind of geologic hazards, which is a very serious potential threat for security operation of power system. Therefore it is valuable to research and develop a landslide online monitoring system to monitor landslide which lies very close to power tower. Based on current research,...

In this paper, logarithmic spiral arch ring is selected and finite element method is used to perform stress analysis and shape optimization and propose a program optimization of arch dam shape basing on arch-cantilever method, which plays an important role in improving safety of arch dam, reducing cost,...

Improved random selection strategy, self-adaptive crossover and mutation operators, population co-evolution algorithm are adopted in this paper to set up a new genetic algorithm(GA), guaranteeing the universality of population, the thoroughness of solution and the execution efficiency of algorithm in...

Movement of the grab excavation process and stress state is the key to conduct large grab design. In this paper, discrete element theory is used to the simulation study of the large marine dredging digging grab process. Through the simulation of large-scale grab EDEM without deep reclaiming process,...

This paper proposes a web information platform based on XML. First, the information platform combines the advantages of existing different extraction technology, automatically extracts the key information in accordance with XML technology, next translates key information into structural and extensible...

With the development of medical image technology, the medical image has played a more and more important role on medicine. There is more and more the number of medical images in hospital. How to manage a large numbers of medical images will be one of the major problems for many hospitals. This paper...

There are two query methods of the structure query and keyword query on XML query. The keyword query is a more common way of XML query, which is often not accurate to the ambiguous of the keyword. In ordered to change it, the keyword cluster analysis is introduced to this paper, and the similarity of...

Based on the multimodal discourse analysis theory and constructivist learning theory, the paper embarks from the English teaching of ESP (English for specific purposes) professional and comes to the conclusion that IM ( instant messaging) software is not only the physical tool of interactive communication,but...

In this paper, the change of water temperature in the bathtub is mainly studied. Through the simulation of the water temperature distribution in time and space and the construction of the thermal conduction model, we discuss the water injection scheme. According to the Fourier's law and Newton cooling...

We predicts the future trends of Ebola. Following the SIR model, we construct the similar ‘NSPC’ model to describe the fluctuation of four classified cases. Because of the discreteness of data, we replace differential equations in the NSPC model with difference equations. Then according to historical...

This paper uses OLS parameter estimation method and GDP, per capita disposable income, export, foreign investment and exchange rate fluctuations as the five factors for our multiple linear regression analysis, and the economic significance, statistical significance and econometric test are made. The...

According to water scarcity, using the system dynamics (SD) theory as a guide, this report makes some quantitative and qualitative analyses on the trend of water resources carrying capacity (WRCC) in Beijing. According to several corresponding reasons, counter-measures are proposed to diminish the degree...

The traditional optimal path is the shortest route, obviously, if condition of each path is different, this method has certain disadvantages. This paper presents a new method of selecting the optimal path with the background of refugee migration in the Middle East. the traditional optimal path is the...

In monitoring application of continuous object that based on wireless sensor network, due to related parameters of continuous object in time and space are continuous, the data information that node acquired has strong correlation and continuity. On this basis,the idea that using bisecting K-means clustering...

This article analysis the variation laws of the shadow length on each parameter, and obtain the shadow length curve of a known straight rod. The shadow length is directly related to solar altitude angle and the length of rod. The factors that affect solar altitude angle directly are: solar declination,...

The improved kinematics method based on the orthogonality of rotation matrix and matrix block is presented for MOTOMAN - HP20 robot to improve the computing speed of the robot kinematics.Firstly, according to the robot structure, the forward kinematics model is established with D-H method. And for the...

The blade of the turbo blisk often cracks due to rotor’s resonance. The research on influence degree to the turbine blade mode with different constrains of blisk can gain the universal fixture in the modal tests. For this purpose, the vibrant characteristic of blisk was gained by FEM, as well as the...

In this paper, we conduct research on the computer graphics rendering technology based on GPU and parallel computing system. Traditional geometry based on the polygon rendering technique, due to difficulty in modeling and rendering time is too long, has been more and more cannot adapt to the large-scale...

In this paper, we conduct research on the face recognition and modeling technology and the applications on computer 3D animation design. Animation is a human creation so far one of the more perfect art form. It not only gives all inanimate objects to life, but also can make the inanimate objects become...

Water scarcity has attracted plenty of attention from all over the world for recent decades. Comprehensive models need to be established to evaluate and solve this problem.This paper first build a dynamic model to evaluate the balance between demand and supply of water resources. The WSI indicator is...

In order to predict the water situation in 15 years, this paper develops Bayesian Artificial neural network system. The directed cyclic graph is built and the conditional probability tables are calculated. It represents the relationships among variable nodes in the graph. The Bayesian network makes the...

Nowadays the infectious disease has greatly affected our life. Infected persons and deaths have reached a record high . And it is still in the state of deterioration. Therefore, I try to establish a predictive model of the current virus spread .Aiming at the spread of infectious diseases, Professor Kermack...

Several mathematical models are proposed to determine the shapes of bathtub and manipulative time, which are not only related to the heat source, the maximum capacity and volume of water, but also the motions of user and ingredients of water.

The bud shaped solar heating box comprises a box body , a one-way pressure release on the box cover, reflective board, vacuum heat collector, a fixed ring, ellipsoidal hinge and other parts. This product uses vacuum collector to convert the solar energy ,which is from the high efficiency of the reflector,...

In the DV-Hop localization algorithm of wireless sensor networks, positioning error of the unknown node is larger if it obtain the average hop distance from the nearest anchor nodes.In order to improve the positioning accuracy of the node, this paper improves the DV-Hop algorithm. The improvement of...

3D reconstruction model of OpenCV is established based on the 3D reconstruction technique of computer vision. The camera calibration, stereo calibration, image correction, stereo matching are used for acquiring disparity map, the 3D coordinates of the target points are obtained by the disparity map,...

In this paper, a formation system of mobile robot based on vision location is designed. The system is composed of intelligent mobile robot, vision location computation, wireless communication system and formation control strategy. The global localization of the mobile robot is carried out by the camera,...

Based on the actual operation of the simulation data and adopted PLC program control, it can become an independent system, by sampling, purging, gas sample, sample pretreatment, gas analysis, instrument calibration, program control and the signal output and other parts, and will be assisted with CO probe...

This is a study on environment inside subway cabin under the effects of piston winds. Subway trains move fast in underground tunnels and induce strong piston winds which will change the atmospheric environment around every cabin. Through a more realistic Computational Fluid Dynamics approach with a full-scale...

The relevant increase in the number of uncontrolled space debris is nowadays considered one of the main threats for future sustainability of space activities and space access. With the increase amount of space debris, space debris causes more widespread attention over the world. After analyzing the relationship...

Traditional ant colony algorithm is applied to mobile robot path planning, existing to slowly solve, slowly convergence speed, easy to fall into local optimal .A kind of double ant colony optimization based on combined optimization is proposed. Forward ant searched path be combined with backward ant...