Electronic equipment is used more and more widely, but it is also to be interfered more and more vulnerable by external electromagnetic radiation interference. In this paper, a new method to enhance the anti-jamming capability of electronic devices is presented, named active electromagnetic protection...

The emergence of educational games has greatly changed the students' learning style, so that students can combine learning and entertainment, so as to improve the learning interest and efficiency. The article uses 3ds Max as the model design tool to build three-dimensional game scene and props, takes...

Course design for electromechanical system is one of the most important and difficult points in college teaching process. In this paper, the large grinder recirculation cooling system as the sample, the hydraulic cooling system is built to solve the problems of low cooling efficiency, high failure rate...

Multi-view video coding (MVC) demands high compression rates, temporal random access, spatial random access, as well as view scalability. Scalable multi-view video coding based on video selection is proposed. It then uses the position of the cameras and the relation of inter-views to divide all views...

PZT is the key actuator to high precision micro-nano positioning platform. Based on high large space density precision micro-nano positioning platform, we use DSP and four roads 16-bit DAC, high order low pass filter, the voltage amplifier circuit, power amplifier circuit, high voltage stabilizing circuit...

SSL protocol is essential in network security. This paper evaluates the security of SSL protocol by a fine-grained analysis method based on freshness identifiers and proposes the causes of two kinds of MITM attacks under the circumstance of admitting the difficulties of building a trusted session key...

The dexterous robotic hand is required to investigate the characteristic of nger movements with perception ability of various sensors. A good angle displacement sensor can well describe finger motion in robotic hand manipulation tasks. In this paper, a flexible and bending sensor which was suitable to...

A plane strain geometrical model of thermal barrier coating (TBC) is established in order to investigate the distributed characters of maximal stresses in ceramic and interfacial ones. The effects of temperature and ceramic thickness on stresses are also studied. The results show that the stress in ceramic...

For small 35KV unmanned substations’ actual need, this paper proposes a scheme about inspection robot for small substations. The scheme realizes the remote inspection robot motion control and the monitor of the substation equipment’s appearance and temperature through the client monitoring software and...

An air-ground cooperative system is proposed for exploder detecting and disposal aiming at unknown and hazardous environments such as explosive disasters. The ground robot as the mobile platform, and the unmanned air vehicle follows the ground robot for real-time environment detecting using its superiority...

The information feedback strategies for traffic guidance are important to improve the traffic capacity in Intelligent Transportation System. It assumed that all vehicles on the road are floating vehicles in the current information feedback strategies research. In reality, not all vehicles can be equipped...

This paper introduces the concept of PHM system and designs a virtual maintenance system based on PHM. The system architecture combined the service-oriented architecture and cloud computing. Choose free open-source alternative development environment to develop the system. The virtual maintenance system...

EEG contains a wealth of physiological, psychological and pathological information, EEG signal analysis and processing are either in clinical of some brain disease diagnosis and treatment, or in the cognitive science research fields are very important. According to the basic characteristics of EEG signal,...

Hydraulic cylinder is the core of construction machinery remanufacturing. Remanufacturing enterprises in China are eager for finding out feasible remanufacturing process for the used hydraulic cylinder, which main failure mode is scratch on the surface of hydraulic cylinder bore. Causes of failure mode...

Based on FPGA and ARM, this embedded system of data collection, measurement and display is designed to tackle problems like bad real-time capability, limited data storage and low transmission rate of signal collection in electronic measurement. FPGA is used to control A/D and DDR2 storage chip to fulfill...

A staff access control system based on RFID technology is designed in this paper. This staff access control system is comprised of UHF RFID readers, industrial personal computers, a database server, big screen monitors, and RFID handsets. It is mostly applied to the main entrances of an organization...

For further research on roller transmission system dynamics characteristics of the coal winning machine cutting part, structures of the drive system are analyzed in detail ,which is divided into the fixed axis gear train and planetary gear train two parts to analysis and research .Taking a certain type...

the residual error of the left and right ping data in the multi beam sounding is obvious, and it is not easy to be extracted. In this paper, we use the least square curve fitting and wavelet transform to analyze the residual error, verify it's feasibility by the method of doing experiments.

Getting general solution for optimal control of stochastic nonlinear system is a hard task, the main difficulty is state variable and the control variable influencing each other,so system does not satisfy the separation theorem. To solve this problem, this paper use horizon optimal control strategy,...

In CNC machining, it is desired to obtain high machining accuracy with high processing velocity as far as possible, however it is difficult to realize, and especially machining NURBS curve with large curvature. Based on scheduled feedrate on curvature of NURBS, a new NURBS curve interpolation algorithm...

Regarding the RV speed reducer with the transmission of the cycloid gear as the research object,using the powerful parametric design function of Pro/Engineer5.0 is to accurately create the parametric model of the internal gear and the pin gear of the RV reducer. Then making using of ANSYS Workbench15.0...

For the measurement work today, a wide range of equipment is running, the task itself is heavy, management mode is limited. In order to solve above problems this paper intends to build an information system for measurement testers. It has four modules, data input and maintenance, data statistics and...

For existing equipment maintenance records, normative is not so strong. Worse more, the text-based description always makes post data mining impossible or difficult. In order to realize the equipment maintenance information, this paper imports the basic idea of E-R (Entity-Relation) graph model into...

In view of the non-linear and non-stationary of the rolling element bearing fault signal, the method of mathematical morphology analysis is introduced into the rolling element bearing fault diagnosis. Multi-scale morphological transform is applied to the analysis of the bearing signals. To describe the...

In this paper, machine learning model is applied to label the attributes of traffic scenes automatically in the RNDF (Road Network Definition File), which is used in the self-driving car. The “gist” features extracted from one image of the video stream are used as the model’s input. In the experiments,...

In recent years, metal surface analysis is becoming a hot topic, especially for the new composite materials used in high speed trains and aircraft. Metal surface analysis techniques are used to reveal the material surface morphology, structure, composition or state. This paper presents typical instruments...

In order to solve the problem of information inconsistencies in 3D machining process planning, a 3D process design method was proposed based on MBD machining element. The 3D machining process planning frame based on MBD machining element were established after concept of MBD machining element was given....

In the present work, the nanocomposite containing GeS2 and reduced graphene oxide was prepared and characterized with XRD, HRTEM and Raman spectroscopy. Meanwhile, the electrochemical performance of the GeS2/graphene nanocomposite, as an anode material, was evaluated by galvanostatic discharge-charge...

Materials La0.9Sr0.1Ga0.8Mg0.2O3 and La0.8Sr0.2Ga0.83Mg0.17-xCoxO3 with x=0, 0.05, 0.085, 0.10 and 0.15 are synthesized by laser rapid sintering (LRS). It is found that the total conductivities of La0.8Sr0.2Ga0.83Mg0.17-xCoxO3 by LRS are obviously improved by Co doping, showing a general increase with...

Output efficiency decreasing phenomena also occur when environmental factors of flexible amorphous silicon photovoltaic power generation system (PV system) change. On the basis of building the system simulation model via MATLAB tool, researches are conducted on the issues of tracking time (0.04s), overshoot...

In order to improve the cotton bast utilization,the chemical degumming technology was adopted to process cotton bast to remove the hemicellulose, lignin , pectin and other substances in this topic.The method of nitric acid or sodium hydroxide was used to extract the cellulose,which was dissolved into...

This article selects the kenaf as a raw material, through the small sample loom weaving kenaf three-dimensional fabric, and do the performance test for soil and water conservation effect and degradation. Soil and water conservation performance test uses artificial simulated rainfall experiments, which...

The concept of component integration (CI) has been employed in several product design methods to reduce the total number of components and improve manufacturing quality and efficiency. However, none of existing methods provide the effective information needed to identify the appropriate components for...

In this study, two flushing modes including surfactant solution flushing and surfactant-stabilized foam flushing were conducted for in-situ soil remediation to remove DDT contaminants. The results showed that surfactant-stabilized foam flushing could significantly enhance the overall sweep efficiency,...

Energy is the material basis of human activities, whether traditional coal, oil, natural gas or wind energy, solar energy, tidal energy and other new energy sources have greatly promoted the development of mankind, but in any case, human beings are inseparable from power. Traditional power can only be...

The Eu2+ activated Zn/Mg co-doped aluminate phosphors for white LEDs was prepared by the solution combustion method at 600 successfully. The crystal structure model of the phosphor was built, and the band structure and density of states of phosphor were calculated using CASTEP program based on density...

Based on the exergy analysis model and the data of an ASHPWH system,exergy analysis of the system was carried out,and the way was discussed to reduce exergy loss.The exergy efficiency of the system was 43.7%,and the exergy loss coefficient of the compressor was the largest in the system,accounting for...

Recent years, municipal sludge received more and more attention as a kind of negative by-product of the urbanization. The technology of dewatering plays a critical role in the sludge handling process. However, domestic academic research in the field of dewatering is not sufficient at present .The dewatering...

Oxygen vacancy formation and migration in La0.9Sr0.1Ga0.8Mg0.2O3 (LSGM) with various crystal symmetries (cubic, orthorhombic and monoclinic) are studied by employing first-principles calculations based on density functional theory (DFT). The calculated vacancy formation energy of the cubic LSGM is 3.96...

This paper introduces the state of cable lines assessment model, analyzes and describes the establishment of evaluation index system, state variable weight calculation and determination of the final comprehensive evaluation results. Due to that maintenance system reasonable directly influences reliability...

Improper irrigation period or excessive irrigation will reduce the yield and quality of tobacco crop. This paper adopted the Jensen multiplication model method to stimulate the water production function of tobacco under different irrigation conditions. According to the data, a water production functions...

With the application of the original Central Soviet area revitalization planning, the load in Ganzhou area of Jiangxi province will have much increase. In this paper, two schemes on how the 220kV Wanluo substation connects into the main grid are introduced. The influence of each scheme is analyzed on...

The microstructure porosities and pore size distribution of the clayey soil in the Pearl River Delta were studied by techniques of Scanning Electron Microscopy (SEM) and pressure gradient method. It was found that small pores were increased with increasing of the loading of clay samples. On the other...

The flow fields of single airfoil model and symmetry airfoil model were simulated by CFD software in this paper. the different inducing velocity and the airfoil intervals were considered to study the flow field and the induction rate change of the models. The results show that the induction rates of...

The advertising as a form of business promotion has more and more widely in different applications, and the lighting lamps is one of the key equipments in the entire outdoor advertising facilities. In order to improve advertising effectiveness and facilities security, especially for the outdoor advertising...

The SnO2/graphene composite has been prepared by a one-step hydrothermal method. The monodisperse SnO2 nanoparticles of ~3 nm in diameter are not only attached onto the surface of graphene sheets by anchoring with surface functional groups, but they also are encapsulated in pore channels and formed 3D...

The corrosion of refractories by Na2CO3 at high temperature has become a severe issue. For a better understanding of corrosion mechanisms, this paper works out the kinetics mechanism of corrosion reaction including characteristic parameters and dynamics equation. The results provide the theoretical basis...

In this paper, the optimal crystallization conditions for DMF extraction of refined anthracene is studied that the crude anthracene as a raw material, DMF as solvent dissolved temperature is 90 , crystal-keeping time is 90min, the solvent ratio is 1.8g/ml, the cooling crystallization time is 50min,the...

BPS(Bonded Piston Seal) is currently widely used in automatic transmission. In terms of the BPS in an in-development two-speeds automatic transmission of an electric vehicle, this article makes a detailed introduction to BPS technology and carries out a comprehensive analysis. The first part is an introduction...

After the pretreatment, Bamboo Charcoal (BC) were chemically modified with succinic acid. Then explore the characters of Modified Bamboo Charcoal (EBC) and the adsorption of BC for Cd II . Fourier Transform Infrared Spectroscopy(FTIR) and Scanning Electron Microscope(SEM) were applied to analyze the...

The heat produced in working process of LED headlamp will decrease the LED chips' luminous efficiency and other problems if it is not dispersed in time. This article take thermoelectric refrigeration system as the research object, focus on the relationship between the influencing factors such as LED...

Beijing West Chang’an Avenue was re-overlaid in 2014 to improve its service condition due to serious reflection cracks . The existed structure of pavement is a combination of 8~10 cm bituminous surface based on cement concrete layer. In this case study, the cracked bituminous layers were removed and...

Based on domestic embedded multi-core operating system testing, this paper describes the characteristics of the multi-core operating system and existing test contents and gives an effective software function and performance function test method for application focus of the domestic embedded multi-core...

SCU and its software are widely used in both electrical and electronic devices. It is important and difficult to conduct quantitative analysis, accurate measurement and quality evaluation in SCU circuit design and manufacturing. In order to solve the problem of SCU-based circuit signal testing, this...

The PLD software design of communication device is taken as application background, under which this paper analyzes four typical issues of software design such as clock design, synchronous design, burr elimination and metastable state, gives solutions based on actual conditions and finally describes...

In this paper, a novel configuration optimization method is proposed for reconfigurable manipulator. The optimize configuration of reconfigurable manipulator is proposed by using the genetic algorithm and the Dijkstra algorithm. Considering both minimum task execution time and minimum energy consumption,...

Survivability of wireless sensor network (WSN) is not limited to traditional network security and reliability issues, but from a new perspective of wireless sensor network in a variety of network services and security capabilities. In this article wireless sensor networks and their applications are introduced...

The consolidation technology of prestressed hybrid C/G sheet takes full advantages of the initiative of the prestressed reinforcement and high strength of the novel composite material, which belongs to relatively advanced reinforcement strategies in reinforcement area. This paper derives nonlinear composite...

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With the rapid development of computers, information management systems have also become popular in various fields. Financial management of colleges and universities is a very complex task, in order to improve the financial management efficiency of universities; the paper information management system...

This paper presents a novel solar tracking trajectory calculation method, and addresses the problems of low efficiency, computing complex issues of solar tracking control system. Based on the Lagrange interpolation method, the solar trajectory is calculated by using the location information in certain...

To solve the problem that the tracking control precision is low when the essential oil filling linear servo system driven by Permanent magnet synchronous linear motor is under high frequency input signal, the fuzzy adaptive sliding mode control algorithm is designed. The sliding mode control is adopted...

In this paper, to the equipment monitoring as the research target, we analyzed the usage demand of automatic monitoring instruments and established equipment of automatic monitoring system based on the Internet of things technology. System adopts open and modular design of frame structure and flexible...

In this paper, we propose a hybrid synchronous algorithm based on the combination of distributed and centralized algorithm. First of all, we put forward the concept of local cluster and generalized local cluster. The cluster is a collection of synchronous UE meeting certain conditions and has a center...

In this paper, we proposed an adaptive dual-rank transmission algorithm underlying single-user MIMO (SU-MIMO) system. In SU-MIMO system, the rank indication (RI) is the main constraint to optimize the performance of the overall system. We employ the channel state information (CSI) report enhancement...

With the traditional health monitoring technology as the theoretical basis, a real-time online displacement monitoring system platform was developed based on the NI CompactRIO embedded platform, and modules NI 9219. And the graphical programming software LabVIEW was used to building the background processes...

Ocean fishing fleet scheduling is a new problem. It produces with the development of pelagic fishery and fleet size enlargement in recent years. At present, ocean fishing fleet scheduling is relying on operator's experience for artificial scheduling. Just rely on the operator's experience scheduling...

in order to make up for sensor nodes’ death effectively, this paper studies a kind of artificial fish algorithm (AFSA) improved by genetic algorithm (GA) to optimize the project of mobile sensor nodes Scheduling and the coverage of Wireless Sensor Networks (WSN) and energy consumption will be as the...

Green computing has become a research hotspot in service-oriented cloud center. Resources in a data center are always virtualized into a resource pool for uniform management and scheduling. Thus load balance in the cloud data center is of great importance to reach some kind of service levels and has...

in view of the design of the power supply system of the pond water quality improvement, the system scheme of the power supply of the equipment is put forward.The basic principle of solar power supply system is analyzed;The configuration principle, main components and technical performance of the power...

The compression algorithm of surveillance video files was proposed based on fourier-mellin transformation.In the paper, the coefficient of Fourier-Mellin were achieved to vectorization with the new algorithm,the surveillance video contains contiguous image frames,three groups of movement parameters were...

This paper proposes a technique using Discrete Wavelet Transform (DWT) and Back-Propagation Neural Network (BPNN) to identify the fault types on transmission line of 10kv rural power grid. The PSCAD is used to simulate fault signals. The mother wavelet daubechies4 (db4) is employed to decompose high...

A design of microstrip array antenna for ETC (Electronic Toll Collection) applications is presented. The antenna is designed and realized at the center frequency of 5.835 GHz, and consists of 32 microstrip patches (4×8). Furthermore, the proposed antenna is series-fed, so it is easy to manufacture and...

With the development of Internet technology, Internet data growth rapidly and become big data. According to the different properties of the network big data, network big data classification is the foundation of many network applications, including network data management, green Internet, network bandwidth...

An object oriented change detection algorithm for multi-temporal remote sensing image is proposed in this study. Bi-temporal remote sensing images are firstly processed by multi-scale segmentation. Then similarity between the target object and its neighboring object is calculated by using a formula of...

In order of saving energy and improving the performance of the airborne systems, modern aircraft increasingly uses electrical energy to replace the current hydraulic, pneumatic energy on the plane. The goal of more electric aircraft is that electric drive equipments replace mechanical, hydraulic and...

Preschool education is an important part of basic education, the problem of preschool education informationization should be taken into account by educators. This article aims to investigate and research whether learning or growth should be the orientation of preschool education, thus to explore the...

To overcome the defects of traditional adaptive Least-mean-square(LMS) algorithm, figure out the problem that the existing algorithms’ system identification abilities would decline while their input signals are correlated with each other, a novel variable step-size and variable parameters adaptive system...

This paper proposes several improvements for a fingerprint image denoising method that is based on nonlocal total variation (TV) models using split Bregman iteration. The main improvement involves the addition of relaxation factors to the two-step iterative process of split Bregman iterative algorithms...

Distributed and multithreaded systems are usually much more complex to analyze or test due to the nondeterminism involved. A possible approach to testing nondeterministic systems is to direct the execution of the program under test to take a certain path for each test, so that a unique output (or output...

In order to solve backwardness information acquisition technology and cable transmission way, a breeding district soil information acquisition wireless system based on GSM/GPRS and ZIGBEE network was proposed on request of intelligent sense modern precision agriculture. The system composed of two parts...

In the cloud computing environment, in order to solving the problem of accounting information security. Through the introduction of cloud services model and cloud computing, systematically analyses the enterprise's risks of choosing cloud services. Studies have shown that with cloud computing technology...

In this paper we research a new power analysis attack method: the differential power analysis attacks based on the multiple correlation coefficient (MCPA). This attack method is based on statistical theory that multiple linear regression. Conditions of the MCPA method of attack are weaker than ones of...

In order to predict the grain yield of the country accurately, considering the periodical fluctuation of the data, the method of time series is used. Firstly, the stability and the relativity of the yield series from year 1980 to 2009 are analyzed, and the first-order difference of which is calculated...

This paper analyzes the authentication security of lightweight authenticated cipher ACORN, a second-round candidate of the CAESAR competition. We first put forward the necessary and sufficient conditions for state collisions of ACORN. Then we point out the errors of the designer’s analysis and utilize...

The rural areas in China have a relatively low Internet coverage, as a result of which the peasants are ill-informed and short of information products that assist the popularization of agricultural technology. The commercialization of scientific achievements is not effective in the rural areas. To solve...

Analyze the security risks of traditional power mobile operating system, design and implement a more secure access system and analyze the overall structure and function of the secure access system in detail in the Internet plus environment. The system can process two-way certificate authentication, secure...

Human beings’ media technologies has experienced a development course from junior level to senior one. Advertising, as a service industry in the tertiary industry, is the directest and most sensitive to the development ang changes of media technologies in the courses of production and communication....

To enhance the real-time and interactivity of fluid simulation, a method was proposed based on smooth particle hydrodynamics(SPH) technique in PhysX physics engine. According to SPH method, the fluid was treated as a particle system, analyzing composite force of each particle, and simulating real motion...

Along with the computer technology fast development, the office automation technology progresses by leaps and bounds. At present our country geology and the mining industry domain entered the fast development stage, the geological prospecting, the mining industry development and the correlation industry...

An overlay network based traceback scheme against DDoS attacks is proposed in this paper. A CAT server is set in each ISP domain, and receives the alert packets from routers in the domain. According to the alert packets, the intra-domain attack tree is constructed. An alert will be sent to the victim...

To solve the hybrid flow shop scheduling problems with minimum makespan objective, a local search based on the active scheduling technique was proposed. First, a good initial solution was generated by the NEH-based heuristic. Next, a problem-specific local search was developed to improve the initial...

According to the shortages existed in current methods of monitoring on hydraulic support operation pressure, this paper developed a new monitoring system in which monitoring platform with multi-layer designed based on embedded system and CAN bus technology was introduced. The platform has integrated...

The usage of sweater online customization system indicates that the system has broad application prospects. This paper takes Android system as a typical example and the online implementation system is developed. Besides, the key technologies of online sweater-designing system are introduced which includes...

Electric vehicle is becoming popular and will become an important load on electric systems as the oil resources exhaust. Studying the charging loads of electric vehicle is of great importance when analyzing the influence of grid-connected electric vehicles on the operation of electric system. The Monte...

This paper presents a semantic-oriented approach for architecting sensor networks applications using ontology mechanism. Considering the validity and the timeliness which are necessary for sensor networks knowledge sharing and reusing, a common and extensible context ontology model is defined to describe...

This paper studied the oxidation behavior of the Nicalon and Hi-Nicalon type of continuous SiC fibers. The fibers were exposed in air at 1000-1400°C for 1h. Experimental results indicate that both Nicalon and Hi-Nicalon SiC fibers’ tensile strength decrease, whereas oxygen content increase with rising...

Ni-Free Ti-Nb-based alloys have potential application as non-toxic shape memory and superelastic alloys. The shape memory behavior and superelasticity of free-Ni Ti-Nb-based alloys were described and discussed in this paper. It was shown that the excellent shape memory behavior and superelasticity can...

This paper expounds the importance of the stability analysis of the super high tower frame in the lifting stage of the arch rib.Then the arch rib turning stage is divided into 0 degrees,30 degrees, 60 degrees, 90 degrees, 102.8 degrees five conditions,respectively carried out the force analysis of sling...

Taking the problems of existing cleaning vehicles into consideration, a multi-functional cleaning vehicle is designed, which includes the transmission module, the transmission module, the removal of ice and snow module, the cleaning module, the watering module, the energy module, and the WiFi control...