The extended equal area criterion (EEAC) is one of the most important methods to identification the stability of Multi-generator Power System, and the key of this method is to correctly identify the critical unit. However, critical units of the existing recognition methods exist some problems, such as...

As the standard object-oriented modeling language, UML describes object-oriented systems from all angles and is object-centric. It is unified with the most popular object-oriented programming languages and can generate code frameworks through class diagrams. There is a corresponding relationship from...

The size of datacenter is growing rapidly. Datacenter network faces enormous challenges in the communication capabilities. Micro-Electro-Mechanical System (MEMS) optical switching technology is an idea for the network. In this paper, MEMS optical switch is used to construct the datacenter network. The...

This paper had designed a 3D measuring system with low cost and high-precision. The 2D laser displacement sensor is the core component, and the Labview graphical programming software is the main software platform. PLC and stepping motor drives high-precision guides rail movement. Combining software and...

To solve the problem of lacking of systematic evaluation of the equipment's operational readiness that brings much difficulty to adapt to the requirements of the current transformation and construction equipment support, an evaluation model of operational readiness integrating entropy weight method and...

This paper review and prospect the characteristics of active sonar underwater target feature extraction, which is commonly used at home and abroad, and analyzes the main technical difficulties.

3D virtual tourism system is a new tourism information platform supported by virtual reality technology, which provides a new opportunity for the development of tourism. It is direct, authentic, interactive, dynamic, and rich in tourism information. This paper introduces the concept and development status...

This paper presents a multi-pulse laser radar system and target detection algorithm for motion target detection. In this paper, the system of multi pulse lidar is introduced firstly, and the detection performance of the target range is analyzed by combining the lidar equation. Then, aiming at the detection...

The course Data Mining, one of the core courses in many majors, has evolved from Data Mining oriented Warehouse, Web Data Mining to the current Big Data Mining. This paper has explored course teaching on discussion in the technology of big data mining and course practice in real data mining. We propose...

By building remote sensing for monitoring and evaluating water ecological security virtual geographical environment, in general it shows the system framework, integration and coordination models and visualization. It aims to explore for water ecological security and remote monitoring to assess the feasibility...

The external clock synchronization method is difficult to implement, susceptible to interference and insecure for the marine fault recording device, so a synchronous method based on Lagrange once interpolation algorithm is proposed. MATLAB simulation and prototype test show that the synchronization accuracy...

In order to solve the problems of time-varying, nonlinear and large inertia in the pneumatic control system of the intelligent valve positioner, the PID neural network control strategy is used to control the valve opening. Based on the analysis of the principle of the neural network controller, the network...

Groundwater overdraft in Xi'an City is the main cause of the subsidence since 1959. In recent years, ground fissure has been one of the most serious geological hazards in Xi'an, China. This paper aims to research the application of high-precision 3D terrestrial laser scanning techniques (TLS) in land...

In this paper, the new method is proposed for filtering of airborne LiDAR data based on improved Triangulated Irregular Network(TIN) algorithm and the details of filter principle is described. Firstly, LiDAR point cloud data is organized and designed by regular grid and TIN, the seed points from point...

This thesis analyzes the embarrassing situation of uneven development of China's sports TV media in the omni media era, and puts forward the idea that the complementary with new media should be strengthen and local TV media should further cooperate, sports authorities should take effort to improve the...

This article explores current situation of sports television broadcasting in China and summary the rules of its development so as to promote the benign development of sports television broadcasting in China.

Through dividing and analyzing the historical development of Chinese sports television stage, this paper summarizes the rules of development, in order to promote the better development of China's sports TV broadcasting.

In modern society, internet information presents rapidly development, and mass media is playing an increasingly important role in spreading public opinion. The interpersonal relationship network is the carrier of public opinion of interpersonal communication, the scale-free network model constructs the...

The correct understanding of the nature of management is conducive to improve the efficiency of management. By reviewing the different disciplines and management science theories on the essence of management, in this paper we combine the theory of ethics to analyze, and believe that the nature of management...

One single-period many products 4PL network location model which synthetically taking the manufactory, centralized return centre, consumption area/initial return point, repair processing centre, distribution centre, and disposal centre into account,is constructed in this paper. The objective is to minimize...

The point cloud data for building facade segmentation problem, based on random sampling algorithm is proposed building facade segmentation method, point cloud data, and analyzes the principle and operation process of the algorithm, at the same time, this paper expounds the key parameters in the process...

The Stirling engines are subjected to the poor heating quality and low output power. In order to overcome the problems, optimization method can be adopted, such as improving flat flame burner and increasing radiation plate, which can improve the efficiency of Stirling engine and increase the power output....

Spheroidizing treatment is an important step in the production of ductile iron, in this paper, with the different amount of nodulizer, the morphology and composition of inclusions in molten iron, spheroidized samples and test blocks were studied by scanning electron microscopy (SEM) and energy dispersive...

Through the classification of the profiled insert in die-casting mould, the technological analysis of the blind cavity insert is carried out. It provides a general process for the CAM technician to design the insert machining program. Combined with CimatronE software, the processing ideas clearly show....

The parameters of cassava mechanical properties are very important for the design, dynamic simulation and mathematical model of cassava harvester. In order to study the cassava stalks cutting force, stress, power indicators influencing factors, using WD-200B computer-controlled electronic universal testing...

This paper uses the system dynamics to study the influence of human resources on the production capacity of manufacturing enterprises, draw the causal circuit diagram, construct the flow stock chart model, and uses Vensim software to simulate the model.Through the analysis of simulation results, it is...

Freeze-thaw damage is a common form of damage to concrete materials, especially in cold regions. The deterioration process of hydraulic concrete material of channel lining structure the under the freeze-thaw cycles is analyzed. The damage evolution equation is deduced and freeze-thaw zone is discussed....

With the real-time imaging tracking technology is widely used in various fields,military response to real-time tracking system,the precision and rapidity requirements are also increasing.This system for moving object in video monitoring field,designed target tracking system based on TMS320C6455 of dual...

The development of energy grid results in explosive data increasing. Handling the large volume of data not only requires vast storage space, but also requires the power to process them. Based on various write-optimization technologies, we proposed the high-performance computing support platform (HCSP)...

In order to explore the effects of task characteristics and operator familiarity on human reliability in human-computer interaction VDT operation, the simulation experiment was designed, then the performance data of 20 healthy college students were collected and analyzed by analysis of variance (ANOVA)....

When the magnetorheological member is in the strong magnetic field and the mechanical field, it will produce a magnetic induction effect which affects the variation of the modulus of elasticity. The variation of modulus has an effect on the deformation of the component. And the deformation also affects...

order to study the influences of different thermal curing methods on volcanic activity and mechanism of rich-silicon iron ore tailing powder (IOTP). Four different specific surface area of IOTP cured in different conditions were tested, at the same time, the strength, pore size distribution and hydration...

Currently, large amount of habitats of wildlife have been displaced by artificial structures because of urban expansion. As a result, smaller patches of habitat have been lost, larger patches have become fragmented, and some of the habitats become lonely islands which will have weaker and weaker contact...

Threaded adhesive joints between stainless steel electrodes and insulating structure of axial insulation break was studied in detail. Wet winding process was chosen for Glass Fiber Reinforced Plastic inner insulation tube, and threaded adhesive method was chosen for joints bonding GRP to Stainless Steel....

In recent years, driven by national policies, new energy automotive market in China was growing explosively, in which battery electric vehicles becomes the main force because of their low emission and high energy efficiency. Customer satisfaction research of product quality characteristic research for...

The paper focuses on the production process of clean steel combining with the production practice of Ansteel, and analyses the measures to improve the quality control of clean steel from two aspects: the selection of refractory materials and the tundish metallurgy. Practice has proved that the appropriate...

When the steel structure is used as the main tower of long-span cable-supported bridge, one big difficult that we must face is the precision control of the steel tower segment. In order to meet fabrication and erecting precision requirements, high precision of the mechanical cutting of each segment end...

This research aim designs and tests a vertical scroll pump. The mathematical models of the curves fixed and the orbiting scrolls were used in designing and constructing a vertical scroll pump and the principles of dynamic of machinery was applied to analysis the centrifugal force of a vertical scroll...

Nano TiO2-Fe2O3 composite photocatalyst was synthesized by solvothermal method. Fe(NO3)3•9H2O and titanium isopropoxide was used as precursor. The mixture of anhydrous ethanol, 2-propanol and diethylene glycol was used as solvent. The composite photocatalyst was characterized by X-ray diffractometry,...

Facing massive house rental information, the tenants consider many factors. Usually, it is difficult for them to make an optimal strategy. Considering the large amount of storage, fast computing and other characteristics, if introducing computer technology to assist in generating and evaluating strategies,...

The shipboard electro-optical tracking system is facing the severe ocean climate environment. So it is necessary to consider the design of the carrier-based optoelectronic tracking system to prevent corrosion, moisture, mildew and salt fog. In addition to the passive protection of the photoelectric tracking...

Analytical model of interface deformation behavior during rolling process was established to investigate the principle of sausaging formation, and formula involving the geometric parameters and physical properties of silver layer was derived on the basis of energy approach. Moreover, the curvature difference...

The multi-direction forging process of railway clamp based on certain kind of preformed billet was designed. The railway clamp sample was acquired by industrial experiment. The causes of burr and other defects have been analyzed in multi-direction forging of railway clamp. The multi-direction forging...

A novel complex with nitrilotriacetamides(L) has been synthesized. Single-crystal X-ray diffraction analysis determined the molecular formula as C12H28N8Na2NiO10. The crystal belongs to the triclinic system with P-1 space group. In this molecule, the L ion exhibits an infrequent coordination mode. The...

layered rock mass is a common geological structure in the underground engineering construction, and the Protodyakonov's theory is widely used in the calculation of underground caving arch, however, the actual occurrence state of engineering surrounding rock is much more complex than homogeneous rock...

In this paper, the basic principles of 3D printing technology was briefly introduced and several methods of 3D printing for metal materials were introduced in details, including Electron Beam Melting (EBM), Selective Laser Melting forming (SLM), Selective Laser Sintering forming (SLS), Laser Direct Melting...

In order to make a reasonable use of durability and design life, the mechanical components are optimized in many aspects. From the practical point of view, the parametric modelling of the torsion shaft was carried out with Solidworks, and the model was transferred to the ANSYS Workbench through the data...

In this paper, we select H-beam products as the research object and use the integrated QFD and FMEA to improve the product quality. First of all, we obtain customer demand through a variety of ways, using QFD convert customer demand into the technical characteristics of the product, then calculate the...

Nanoparticle Pd/C catalyst was prepared by a microwave-assisted polyol process (MAPP).Ethylene glycol was used as reducing agent. The Pd/C catalyst was characterized by transmission electron microscopy(TEM) and X-ray diffractometry(XRD). The catalyst was spherical and homogeneously dispersed on activated...

By taking experience design as the research center, the paper introduced concept of information entropy into the field of user experience cognition of industrial products, studied the effect of the information entropy on experience design from two aspects of physical cognitive and psychological experience,...

The discrete structural dynamics equation is established for small wind turbine tower by means of Hamilton principle and the generalized displacement method, and the calculation model of natural mode, vibration mode and dynamic response of the wind turbine is also given. Four order natural frequency,...

In modern steganography, designing a distortion function to get the cost for every cover elements is an open problem. Many researchers have proposed a lot of different valuable distortion functions from different point of view. In this paper, the distortion function are classified to three categories,...

The shelter generally carried by automobile chassis. Therefore it needs corresponding automobile chassis to adapt to different road conditions. The three types of common obstacle are ravine, slope and step. When crossing the three types of obstacles the dynamics analysis of automobile chassis can be...

Nano-iron and copper oxides loaded weakly basic resin D301 was investigated for the removal of glyphosate from aqueous solution. The characteristics of the resin before and after surfactant-modification were examined using scanning electron microscopy and Fourier transform infrared spectroscopy. The...

Many office workers choose to bring their own handy for lunch, but the heat preservation of meal is constrained by the external location and the attributes of the lunchbox. This product is with humanized design as the breakthrough point, combined with the characteristics of the physiological, psychological...

First briefly illustrates the importance of electronic shelter shielding stability, and introduces the principle of electromagnetic shielding; through the calculation of the electromagnetic shielding, summarizes the factors affecting the effectiveness of electromagnetic shielding shelter; finally put...

A multi-body model based on dolly rollover test for the minivan is introduced in detail and validated by comparing time relative error of the key motions in the absence of dummy. It is shown that the simulation model is accurate enough for later research. The influence law between rollover characteristics...

In different parts of cutting force, it is researched cutting force on machining titanium alloy by the way of theory model and finite element analytical. Established cutting force model of titanium alloy precision machining. Analysis distribution of cutting tool edge stress field caused by different...

Titanium diaphragm disc deformation problem is researched by theoretical analysis and finite element analytical in cutting process. Titanium diaphragm disc deformation finite element analysis model is established by different ways. The influence of workpiece machining accuracy is analyzed by different...

An application research work had improved some functions of a file scan and transformation software (FileScanner) in Pro/3(an expert system shell) by exploring transformation of semi-structured files (Html format ) into structured text files. Some existing problems such as line feed failure and Chinese...

Manageable confidence machine learning is one of the important approaches to implement confidence machine application. This paper is based on two class confidence classifier, adopting two class classifier as tool to convert learning results of classifiers and achieve confidence management through setting...

Temperature is an important factor affecting the weighing accuracy of the piezoelectric thin film Weigh-in-Motion (WIM) system. Because the temperature compensation coefficient formula given in the existing technical data is not effective in practical application, and because the time and cost factors...

Multi-static radar multi-target projection localization method overcomes data association problem in the viewpoint of the imaging technique, in which the receivers are considered as a sparse antenna array that causes 2-D spatial resolution, and the transmitted broadband signal causes the range resolution....

The fuel regulator based on the linear ultrasonic motor can effectively control the fuel flow. However, the slip of the actuator in the braking phase will cause the overshoot, so that the fuel regulator can not control the fuel flow accurately. In order to reduce the overshoot, this paper presents the...

Specification of machine precision is an important part of the design specifications and is essential to machine tools. Conventionally, the precision specification is generally conducted based on empirical experiences of machine tool manufactures. This may results in a failed design for insufficient...

In this paper, by using Cauchy inequality, monotonicity of functions, Hilbert type inequality with finite series version is established

By introducing a homogeneous kernel of 0-degree with an independent parameter ,and estimating the weight function through the real function techniques, we give a multiple Hilbert type integral inequality with a best possible constant factor, in which the best possible constant factor also contains hypergemetric...

In this paper, by simulating actual operation, detailed study of human-computer interaction in continuous VDT operation the effects of five factors on two types of human error and their extent of the impact. The five factors: sex workers, a different color, different task difficulty, different way of...

The baseband signal will be influenced by the channel which bandwidth is limited with external interference, the baseband signal will generate inter symbol interference. The raised cosine FIR filter is usually used to suppress inter symbol interference in statistical detection, and it also needs strict...

This paper introduces a ICFD (In-Circuit Fault Dignosis) deep test method. According to making test plan of the partial functional module of circuit board, gathering the input and output in-circuit, and assess the performance of the board. This method improves the ICFD technology while it can only test...

With the change of the large power grid's security and stability situation, the technical requirements of the power plant excitation system modeling and power system stabilizer (PSS) setting are continuously improved. In order to analyze the operation status of the excitation system of the grid-connected...

The water quality is an important factor affecting the output and quality of the marine ranching. According to the characteristics of aquaculture industry in the South China Sea, a multi-parameter intelligent monitoring system for marine ranching was designed. Temperature, pH and turbidity were selected...

Based on the 76 scenes of GF-1 WFV images in Jun 2013 ~ Jun 2016. After processing, a total of 22 times of Poyang Lake area images. Water extents of Poyang Lake area were extracted by Normalized Difference Water Index (NDWI) and analyzed for water surface variation in time sequence. The results show...

At present, with the growth of private cars and autos ownership, the traffic flow has soared and become a burden for the development of Canton mega-city in China. The sky-rocket number of autos, especially those private ones, has made traffic congestion and car accidents a significant problem Although...

A method of on-line measurement which is based on a loser displacement sensor to measure external profile of non-circular piston is proposed. Measurement coordinate system is established on the basis of the reference cylinder. Measurement data is processed through least square method to achieve the actual...

In order to improve the engine power and reduce fuel consumption, the supercharger in the engine has been more and more widely used. Intercooler is widely used to obtain a higher in-cylinder charge density. With the introduction of the national sixth stage emission standards, higher requirements for...

In order to solve the inconvenience of searching the location of classroom, we developed an offline classroom searching application based on smart mobile phone, which makes it possible to achieve the searching function in five campuses. This paper attaches importance to the installation of classroom...

The article focuses on the study of induced-creasing traffic during highway reconstruction and extension. The article discusses the principles and characteristics of induced-creasing traffic during highway reconstruction and extension. And then gives the conduction-diffusion model about induced-creasing...

Fault detection for air-conditioning system was the key to guarantee performance and energy-saving. However, it was hard to resolve the parameter drift, multiple modes, incipient failures and existing failures via the conventional fault detection for air-conditioning system. This paper aimed at air-conditioning...

In order to solve the production of equipment failure, repair is difficult, inconvenient maintenance, positioning and lack of knowledge base of intelligent judgment system, and put forward a method of intelligent industrial equipment repair. The method is by machine system, broadcasting system, lighting...

Hyperbaric dry welding is an effective way of underwater repair in offshore engineering. Though various welding methods have been attempted at home and abroad for years, problems and limitations exist. This paper conducted a systematic study on character of GMAW method in hyperbaric dry environment....

During the vehicle identification in transportation, many problems must be overcome: firstly, modern vehicle outline leads the failure of getting features from 3D rigid body. Secondly, synthesis distortion is hard to overcome in contour connecting because of front wheels torsion. So a new algorithm of...

In order to investigate the vibration characteristics of the object in the nondestructive test using thermosonics, the device for measuring vibration micro-displacement was built based on the laser displacement sensor and the ultrasonic excitation equipment. On this basis, the vibration displacement...

A photonic crystal fiber extrinsic Fabry-Perot interferometric (FPI) micro pressure sensor is fabricated by femtosecond laser (fs) and fusion splicing. The pressure sensitivity can be adjusted by controlling the thickness of the diaphragm. The laser mircomachined FPI cavity helps to reduce the temperature-pressure...

More than 50% of intelligent industrial robots used in the automotive field, and the deburring process is an important part of manufacturing technology. Using the patentometrics method for global deburring robot industry related technical patent statistics, makes patent trend analysis and interpretation...