This paper analyzes a new kind of grinding equipment for production of hardware, including External working table, first working board, second working board, grinding motor, control motor and rotary motor. The center of the workbench has a dust collecting port . soleplates are installed on both sides...

This design scheme is a fast packing box? including external cylinder, laminate, spring, inner tube and lock ring. The inner tube is installed inside the outer cylinder and The hook is installed in the groove of the guide slot. It has the characteristics of convenient disassembly and easy to use and...

Thermoelectric material is a kind of carrier material which will be able to use in the conversion of new functional electrical and thermal energy. It has the advantages of light weight, long life, small size, clean, environmental protection and many other advantages, which has been popularized in the...

Ultra High Molecular Weight Polyethylene (UHMWPE) fibers are widely used in all walks of life because of their excellent properties and have attracted the attention of many experts and scholars at home and abroad. Research and preparation of domestic UHMWPE fiber has been for decades, although great...

In the "Internet +" agriculture era, with the help of emerging information technologies such as the Internet, cloud computing and big data, the entire industrial chain of agricultural production and business activities has been optimized and upgraded. This has become the direction of agricultural reform....

APT (Advanced Persistent Threat) is a persistent and complex network attack pointing to clear targets. The concept became one of the hot topics in the information security industry after Google admitted to severe hacker attacks in 2010. Big data analysis provides a good data base for APT detection. This...

The commercial aircraft is designed to be larger and lighter for transporting more passengers or cargo. As a result, avionics systems shall be highly integrated and efficient avionics architecture. The author will provide an Integrated Modular Avionics (IMA) architecture with Avionics Full-Duplex Switched...

In this paper, the research status of AZ31 magnesium alloys at home and abroad is reviewed, and the influence of the main alloy elements on the microstructure and properties of AZ31 magnesium alloys is discussed. In this paper, the grain refinement of AZ31 magnesium alloy and the research status of plastic...

Under the condition of dynamic traffic guidance, the path selection behavior of divers would results in the new road network traffic condition, and then the influence of traffic flow on network signal timing optimization must be taken into account in the process of matching. This paper presented the...

Since the 18th CPC National Congress, remarkable achievements have been made in helping the poor and tackling hardships, and the gap between the rich and the poor has been further narrowed, thanks to the proposal of precise poverty alleviation policies. At the 19th CPC National Congress, socialism with...

With the rapid development of China's civil aviation industry, more and more large aircrafts appear in the civil aviation industry, which puts forward new requirements for the construction of airport runway. Especially in the eastern coastal areas of China, where the soft clay layer is widely distributed,...

In recent years, the domestic elevator installation continues to expand and the increasing number of aging elevators led to frequent elevator failures, and now a large number of aging elevators did not reach the design life is still in the front line, and this part of the elevator generally lack of elevator...

The early Internet of things is a logistics network based on wireless sensor technology, but the connotation of the Internet of things has changed greatly with the continuous development of technology and application. The perfect combination of the Internet of things technology and the intelligent security...

We can make use of the internet financing platform to carry out credit rating based on big data technology to provide financing services for small and micro enterprises, which has become an important form of internet finance. This paper analyzes the advantages, theoretical basis and implementation process...

Nano silver materials were prepared by using PVP as dispersant and hydrazine hydrate as reducing agent under the protection of inert gas. Nano silver materials with different particle sizes and morphologies were obtained by controlling the concentration of AgNO3. Different shapes and sizes of silver...

with the development of science and technology of our country, the digital industry has been widely used in various fields, and achieved good results, and in the engineering survey in this field, the digital mapping technology has made outstanding contributions, it is one of the effective means of engineering...

With the continuous innovation and development of science and technology in our country, the automation control system has gradually infiltrated into various industries in the society. The automation control system plays a very important role in the modern mechanical engineering. In this paper, the mechanical...

The pressure impregnation method is adopted to prepare the three-dimensional braided carbon fiber reinforced magnesium matrix composite under the protection of inert gas. The microstructure of the interface between the surface of carbon fiber and the composite was analyzed by SEM and XRD. The results...

With the continuous development of science and technology in our country, the Internet has become an indispensable part in people's life. The cloud computing with Internet as the core has also been widely used in social production. Due to its high efficiency, large capacity and dynamic processing, cloud...

In recent years, with the rapid development of social economy and the deepening of economic restructuring, a more convenient, safer and less consumption mode of transportation has become an inevitable trend of social transportation development. Because of its all-weather, pollution-free and small area,...

The application of self-organizing neural network in customer classification is discussed. The concept of customer classification, index selection, classification method selection and SOM (Self Organization Map) clustering method are discussed, and a customer classification method based on SOM , Namely,...

Aiming at the problem that the signal timing schemes of the current intersections are isolated from each other and the optimization of the regional traffic control can not be effectively achieved, an optimal timing model for multi-intersection signal control schemes is proposed. The paper analyzes the...

Extreme Learning Machine (ELM) is a fast learning algorithm that uses random mechanism to reduce parameter setting and selection, thereby greatly improving learning speed and ensuring generalization ability. Unlike traditional learning methods, ELM The variables are no longer iterative but randomly generated,...

In the big data era, how to effectively store, analyze and effectively use massive data information? This is the current need of our social and economic development. The cloud computing technology has changed the traditional host era, which has more superb computing power, analysis capabilities and storage...

With the development of computer technology and software applications, it has gradually become an important tool in our daily life and in the development and production of various factories. At present, there are still some problems in software development and application. Software development The way...

As a sensor with excellent performance, many kinds of sensors, such as uniform fiber Bragg grating and chirped fiber Bragg grating, have more applications. Through the principle of fiber Bragg grating internal writing, interference side writing, phase template writing and other manufacturing techniques,...

With the rapid development of the computer industry information has become a new trend. Building information modeling (BIM), the latest expression of information technology in the construction industry, is revolutionizing the construction industry. In the increasingly complex situation of modern architecture,...

The non-mixed characteristics of the intersection directly lead to it become the bottleneck of road traffic, becoming a high-speed road accident. When crossing the intersection of the highway, the driver must be able to screen the key information and control the vehicle speed rationally to effectively...

The improved Hummers method was used to prepare the graphene oxide. Then, using the precursor as the carrier and the triblock copolymer P123 as the reductant, the protective agent and the morphology control agent, the liquid phase co-reduction method and the continuous reduction method were respectively...

In recent years, various kinds of desulphurization technologies for the biological oxidation of sulfide to elemental sulfur at home and abroad are introduced. The factors that affect the biological oxidation of sulfide to elemental sulfur are summarized, including the ratio of oxygen to sulfur, dissolved...

Genetic algorithm is now an optimization method widely used in geophysical prospecting. This paper summarizes the basic principle and method of genetic algorithm and its developing direction. It analyzes the implement process of the method, and introduces the genetic process, the current situation and...

With the rapid development of modern technology, massive data have been generated, such as micro-blog's message, video data, cell phone terminal, commodity label and so on, which generate a lot of data. Human beings enter the era of big data explosion, that is, the era of big data. The big data age is...

Based on the theory of movement printing machine tension control way and principle is analyzed, and combining with the actual production of equipment failure, according to the principle of tension system fault screening and maintenance so as to solve practical problems. On the basis of movement s theory,...

As an important part of rural economy, rural logistics plays an important role in people's daily life. In order to reflect the changing rule of rural logistics demand more accurately and comprehensively, it is necessary to introduce a scientific prediction model, that is, a gray neural network model....

This paper analyzes the characteristics of emergency management system of natural disasters and the content of management work, and on this basis, discusses the important role of geographic information technology in natural disasters emergency management system. Practice has proved that geographic information...

China's machinery manufacturing industry is the rapid development of science and technology, especially with the continuous improvement, has realized the automation of assembly, through the integration of the integrated assembly device to control, optimization of the electrical control system, greatly...

In the field of computer security, especially in the field of network security, it is very important to assess the vulnerability of computer system. Connection on the network computer system in the presence of vulnerabilities may let elsewhere on the network malicious attackers invade inside the computer...

As the development of computer network, especially the Interact techniques, network is playing more and more important roles in our daily life as well as work.With nodes of the vast network, more and more sensitive information is being stored and manipulated online, the computer network is more vulnerable...

This paper reviewed some recent novel theories and algorithms of geographic routing for wireless sensor networks, and described the taxonomy. And discussed several typical next2hop node policies, p resented the disadvantages of them. More speci2fically, captured the local minimum problem and gave the...

Wireless Sensor Networks, a novel technology about acquiring and processing information, have been proposed for a multitude of diverse applications. The problem of self-localization, that is, determining where a given node is physically or relatively located in the networks, is a challenging one, and...

This paper mainly introduces the feed motion control method based on fuzzy PID short arc milling. The new short arc machining technology has great advantages in dealing with high hardness, high toughness and super strength material, but the control method still needs to be improved. The adaptive control...

Through the network simulation software to build a virtual network platform in the computer, to simulate the real network environment, network technology development personnel can not only for network communication, network equipment, agreement on this platform, the design and research of network application,...

The biggest characteristic of VR virtual roaming is that the object being roamed exists objectively, but the form of roaming is virtual in a different place. At the same time, the making of roaming object is the real data based on object. Virtual reality technology is appeared at the end of twentieth...

NoSQL database breaks the traditional relational model, stores data in a free way, provides a new access interface, and overcomes the shortcomings of traditional RDBMS. NoSQL database can be deployed on cheap hardware, supporting distributed storage, and transparently extending nodes. This paper analyzes...

Using the combination of Zig Bee technology and 3G communication technology, different agricultural bases and related equipment are combined to form a wireless sensor network system, and then the sensor parameters of different agricultural bases are collected to control the conditions of different agricultural...

In order to improve the talent identification level of college students aerobic athletes. With the help of Fuzzy Transformation Theory, this paper establishes the model of selecting college aerobics athletes by neural networks. From determining the indexes of the selected team members, solving the comprehensive...

According to the special application of UAV network and its requirement of flexible and dynamic networking, this paper proposes a UAV network structure design based on ad hoc network. This structure provides a whole connected networking for UAV network, including the design of key technologies such as...

With the speeding up of the trend of performance management informatization promotes the established strategy oriented performance evaluation system is put forward. This paper proposes a method, which is by the Web service technology, develop performance management integration, promotion and management...

An exemplars-based two-step image inpainting algorithm is presented. Firstly, the input image is inpainted synchronically with its coarse version via the patch-GST-based inpainting priority and best-match patches based on the weighted SSD. This inpainted image is plausible except some artifacts in the...

With the mechanization increasing, the use of diesel-type agricultural vehicles is more and more common. Because of the high price of antifreeze, farmers prefer the groundwater which is easy to access, in order to prevent the freezing damage of the water tank under the low temperature environment, a...

With the development and achievement of smart grid in China, the application of UAV lidar system in transmission line inspection has become increasingly popular. To this end, this paper briefly introduces the transmission line inspection system based on UAV lidar system, and deeply analyzes application...

This template explains and demonstrates how to prepare your camera-ready paper for Trans Tech Publications. The best is to read these instructions and follow the outline of this text. Please make the page settings of your word processor to A4 format (21 x 29,7 cm or 8 x 11 inches); with the margins:...

the article puts forward the design scheme of a distributed computing platform, firstly, analysis and comparison of the common distributed computing model, is proposed based on three layer logic architecture of distributed computing system, puts forward the design scheme of establishing a computing node...

In the information age, with the continuous development of science and technology, the computer plays an increasingly important role in the public security system of social security management. For the investigation, the emergence of computer automatic fingerprint identification system has changed the...

In the course of agricultural vehicle driving, emergency measures can be used to carry out the repair work when the damaged parts cannot be repaired and the new parts can not be obtained. According to the previous working experience, this paper deals with seven emergency measures for the maintenance...

In recent years, computer technology and Internet technology has been obtained the rapid development, and has been widely used in all aspects of people's work, life and learning, however, in this process, the scope and depth of the impact for computer network risk is also increasing. This paper briefly...

The purpose of this paper is to establish some results for the class of system of integral inequalities by means of variable transformation method and Gronwall-Bellman's inequality. These results presented in this paper generalize and improve some recent results. Meanwhile, two examples indicate the...

The aim of this paper is to design a sliding-mode variable structure controller (SMC) which based on the model of BLDCM. SMC is insensitive to turbulence which can depress influence of disturbances to BLDCM, and a novel variable exponent reaching law which can reduce the shuttering effectively is designed....

In the process of program development, it is often necessary to insert multi rows of explicitly specified values into one table of relational database at a time, and we hope to achieve this insertion by only one statement.But in the standard SQL statement, there is no such a SQL syntax. In this paper,...

As a new method of computing, cloud computing has brought great convenience to people's network life, but at the same time, there are some security risks. This paper briefly introduces the concept and characteristics of cloud computing, and briefly analyzes the significance to study the security of computer...

In this paper,we compute the Morse index of the steady-state bifurcation solutions from the eigenvalue with multiplicity two of the Laplacian operator for a class of reaction-diffusion equations with Robin boundary conditions on the two-dimensional rectangular area

With the development of society, there are new demands for the generate methods and the restriction for the impact on the environment. To improve the traditional centralized power generation pollution and low efficiency problems, the distributed generation has been presented. Although distributed power...

Basic theory of finite element analysis of electromagnetic field was expounded in this paper. Boundary conditions, boundary value problem and condition variety problem were included. After above work, boundary condition selection and model structure were processed. After meshing, static magnetic field...

This paper analyzes the key technology of smart antenna – the theories of beamforming and the definition of beamforming graph, and discussed how to realize the best beamformer through matrix theories. And through simulation on MATLAB, achieve the adaptive beamforming of antenna array.

The algorithm herein adopts density-based method and max-min distance method to define initial clustering center to eliminate the need for defining clustering center in advance in k-means algorithm, and normalize the data set to reduce the influence of fluctuation of attribute value for each dimension...

In complicated and bad natural environment, the performance of electronic system may be easily affected by the environment, go wrong and result in abnormal operation. In the complicated environment like deep space and deep sea, if the electronic equipment after break down cannot be repaired in time,...

Vacuum differential pressure casting is one of the most advanced casting process where there are still serious process defects existed in large complex thin-wall castings. Combination of computer simulation and approximation modeling is applied to improve process reliability of vacuum differential pressure...

The convolution neural network with deep residual network structure is applied to the prediction of milling tool wear, and the high prediction accuracy is obtained. Based on the data set of the 2010 PHM data competition, this paper constructs 64000 data samples from the total life cycle wear data of...

Intracranial tumor is one of the most common diseases in nervous system, which has great harm to the function of human nervous system. Surgical tumor resection is the primary treatment method for the disease. Ultrasonoscopy is helpful for lesion localization and boundary determination in intracranial...

Phytoene Dehydrogenase (PDS) is an important enzyme in carotenoid biosynthesis. Here, the Solanum tuberosum PDS (StPDS) gene sequences were obtained from Spud DB database, and preformed for bioinformatics analysis. The StPDS gene mapped to chromosomes 3, and contains an open reading frame of 1,752 bp...

CYP83B1 is an important glucosyltransferase enzyme in glucosinolate biosynthesis. Here, the Brassica oleracea var. capitata CYP83B1 (BocCYP83B1) gene sequence was obtained from Brassica database (BRAD), and preformed for bioinformatics analysis. The BocCYP83B1 gene mapped to chromosomes 8, and contains...

Lycopene ?-cyclase (LCYb) is an important enzyme in carotenoid biosynthesis. Here, the Brassica oleracea var. capitata LCYb (BocLCYb) gene sequence was obtained from Brassica database (BRAD), and preformed for bioinformatics analysis. The BocLCYb gene mapped to Scaffold000212, and contains an open reading...

In recent years, network information security incidents occur frequently, network information security has risen to a national strategy. In order to ensure corporate network information security and prevent data leakage, the great harm caused by network infiltration attacks, this article designs the...

Whether the communication is smooth or not is an important factor that affects intelligence transmission, command, guidance and combat synergy. Calculating the communication area of communication equipment and achieve visualization can well demonstrate the communication efficiency, and guide commanders...

Based on ERC20 standard, industrial chain platform is developed, where numerical comparison of consensus mechanisms of POW and POS are analyzed and discussed. Besides, some basic concepts of block chain, such as its types, consensus mechanism and incentive mechanism were briefly introduced, combined...

Desktop cloud has become a research focus of cloud computing. As 3D rendering, scientific computing and large data fields on the requirements of high performance computing, end user take more and more high request to the cloud desktop. Yet in the desktop cloud, the simulation of virtual graphics can...

The main method users utilize digital resources is through classification and retrieval functions. However, it is not ideal for the use of some specialized characteristic resources. Taking Nanyin(an intangible music culture heritage from China) as an example, we analyze the different topic objects and...

In the paper, it proposed a image steganalysis method using wavelet packet decomposition. First, it decomposed the image using wavelet packet decomposition. Second, it extracted the higher-order statistics of its wavelet packet subbands as features. The experiments on F5 and MB steganography showed the...

In order to analyze the fracture of bolts at the flange of TBM cutterhead, the load distribution of the thread in the standard thread connection structure was studied. Based on theoretical analysis and Finite element simulation analysis, starting from the connection structure of bolt, the load distribution...

Aiming at the problem of soil moisture detection and contro, the soil detection system was used as the research object, starting from the perspective of soil moisture, through the study of the soil moisture value,and using the analysis software to establish the model of the detection system,which are...

Through the analysis of the mathematical model of permanent magnet synchronous motor (PMSM), the paper proposed the method of fuzzy PID controller, and applied to the speed controller of permanent magnet synchronous motor double closed loop vector control system, exactly implementing the speed controller...

According to the multi sensors in the actual environment are susceptibly disturbed, and also the traditional evidence theory has the limitations in the data fusion, so this paper presents an improved information fusion method. Information the belt conveyor sensor acquisition is fuzzed, fusion is performed...

Environment for plant growth is difficult to establish precise mathematical model. The conventional control methods are difficult to be well controlled, and put forward a neural network PID control temperature on the growth environment of plant. In this paper, taking the lettuce as an example, using...

In order to study the information interaction department of the large complex spacecraft integrated test system. First, we need to analyze the information interaction technology of the spacecraft test system. Through analysis, we use data distribution service (DDS) specification to spacecraft. The information...

The crop growth cabinet control system mainly consists of color touch screen interface operating system and control system. They communicate with each other through the RS485 module. The control system's control core is ATmega128L single chip microcomputer, and operating system interface uses Cortex_M3...

at present, most of the digital circuit transient fault repair methods need to be completed by manual processing, the repair efficiency is low and the energy consumption is high. For this, put forward a new kind of digital circuit fault transient low energy self repair method, design a repair system,...

In order to improve the precison and the speed of passive localization ,as well as meet the high applicable values requirements, a passive localization algorithm based on the Unscented Kalman Filtering is proposed.The main idea is to use the Filtering algorithm to solve the sensor information fusion...

Aiming at the control problem of the speed of the hydrostatic transmission vehicle, the composition and working principle of the hydrostatic transmission vehicle are introduced. According to the different characteristics of the multi-axis hydraulic drive vehicle, the variable hydraulic pump control strategy...

In order to make the parameters of multi-axis hydrostatic transmission vehicle design more reasonable, the driving principle of hydrostatic transmission vehicle is introduced. According to the number of driving axles of hydrostatic transmission vehicle, the division of stall and parameter design are...

Electrical Capacitance Tomography technique is a new technique for multi-phase flow measurement. With broad application prospects, the purpose of this technique is to identify each phase's composition of two-phase/multi-phase flow system in a closed pipe. A new method –COMSOL was used to analysis the...

In order to use infrared thermal imaging for simultaneous localization and mapping of mobile robot vision navigation, A point-line feature extraction and matching algorithm after infrared image enhancement is proposed for visual odometry. We first used a guided filter to smooth the input image and separate...

Surface texturing is considered as an efficient way to improve tribological performance of friction pairs. The lubrication model of sliding surface with micro-dimple array was proposed by using the method of three-dimensional Computational Fluid Dynamics (CFD). The typical pressure distribution of the...

In cloud computing environment, pricing is an effective method for resource allocation and it provides efficient incentive for cloud providers to provide cloud services. In this paper, we investigate two pricing schemes for the allocation of cloud resources in a monopoly cloud market subject to constrained...

in this paper we use pseudo potentials and plane wave basis to compute the total energy, charge density and electronic structure electromagnetic field equations. Numerical simulation method is an available method to analyze complex flow field.

In this paper, the authors using the MATLAB software to the ordinary differential equation initial value problem, Euler's method, improved Euler method, classical Runge-Kutta method is used for computer programming and implementation, through the comparison of numerical results analysis, Euler method...

the user demand for electric vehicles is more and more intense, will make electric drive in green energy storage and the rapid growth of the vehicle. With the further development of logistics transportation,This paper analyzed the factors which influenced the bearing stability of high—order picking vehicles...

Get the information of the three-dimensional object from the two-dimensional image, camera calibration is an essential and critical step. The position of a three-dimensional object, geometric information such as shape and state can be obtained from 2D image only by camera calibration and thus the information...

A fuzzy logic approach was proposed to regulate the number of vehicles entering a freeway entrance point during rush traffic times. The basic structure of a fuzzy logic controller was analyzed and the fuzzy control algorithm was formulated. The membership functions were developed and the fuzzy logic...

We propose and demonstrate a technique for monitoring the deformation of the Ni-Ti alloy grain and grain boundary, and analyzing the interaction effects between the grains using DSCM and SEM methods. This work demonstrates that the grain size influences on the mechanical property of the Ni-Ti alloy,...

UAV propeller geometry type surface is more complex, in this paper, on the basis of previous preliminary design of the UAV propeller based model calculation results, the use of computer information technology means of propeller geometry model was built first, which contains some practical experience...