Advances in Engineering Research

The hardware and software design scheme of the single board micro digital relay protection device is introduced in this paper. The hardware platform of the device is based on AM5728 embedded multicore processor of TI (Texas Instruments) Company which has ARM cores and DSP cores. The software platform...

In view of the Minimum Mean Square Error of Log-Spectral Amplitude estimator (MMSE-LSA) noise power spectrum estimation algorithm does not adapt to the actual non-stationary noise and the accuracy of the estimation of prior SNR is not high on the traditional logarithmic domain. However, most of the nonstationary...

According to the meteorological characteristics of deposit a collapse and landslide characteristics, topography, stratum lithology, geological structure and characteristics and hydrogeological conditions of the earthquake pointed out that the landslide happened under the combination of internal and external...

Spam, under a variety of shapes and forms, continues to inflict increased damage. Varying machine learning techniques have played an important role in spam filtering field in condition that ample training data is available to build a robust classifier. These methods include Decision Tree, Support Vector...

Kinematics analysis of concrete hydraulic dismantling mechanical arm is an important part of researching concrete hydraulic dismantling robot’s movement and its controller design. The concrete hydraulic dismantling mechanical arm was taken as the research target. The connection rod coordinate system...

Dark matter is one of the hot spots in the astronomy, but the stand model of the particle physics can't provide a proper candidate of dark matter. There is also a contradiction between the initial little Higgs model and the accurate measurement of weak current. Therefore, the scientists introduced T-parity...

In this study, the seedlings of kiwifruit were used as the research materials to investigate the effects of exogenous melatonin (MEL) on antioxidant activity in kiwifruit leaves in response to drought stress. The results showed that exogenous melatonin effectively decreased the MDA content of leaves...

In order to study the response behavior of engine rubber bushing under high speed impact, improve the simulation accuracy of the whole vehicle, the mechanical properties of rubber bushing was studied. The method of the drop-hammer impact on the rubber bushing was analyzed. A station was built with the...

Put forward the remote monitoring plan of pumping station by introducing the difficulties of the management and operation of the pumping station. The paper realized the transmission of running data and image at pumping station field equipment by using wireless communication technology. The paper introduced...

For the advantages such as clean and environmental,the gas has been frequently used in human production and living.However,the gas explosion also becomes the major threaten for the production safety,the casualties caused by which is mainly due to the buildings collapse.This paper studies the deflagration...

With the rapid growth of logistics, it is important to gain further insight into the strategic benefits of logistics services. The study examines the state of Chinese logistics service industry based on constructing a classification framework for logistics services studies. Finally, it explores key issues...

Ocean energy exploration is one of the hottest spots in the world today. For ocean exploration, most of them need the help of autonomous underwater vehicles, which make underwater wireless charging technology become extremely important research. Based on Ansys Maxwell simulation and assisted by Matlab,...

An algorithm for dynamic reliability analysis of a stochastic structure is proposed based on the theory of Neural Network Response Surface Method. On the basis of First Excursion Failure Criterion of random vibration, the performance function of dynamic reliability is established. Sequential Surface...

For the characteristics of that the center of mass and stiffness centre do not overlap and that presence of translational and torsional vibrations under earthquake to the eccentric structure, MRE damper is used to control the translation-torsion coupling effect of eccentric structure under seismic action....

Double phase change heat exchanger (DHEX) is used combining with steam ejector to build a new steam production. This convenient and efficient system can recover not only the sensible heat of high temperature and humidity gas but also the latent heat of water vapor. Simulation method has been adopted...

This paper mainly studies the crimping process of turbo actuator at passenger vehicle. Firstly design a series experiments with a method of orthogonal test, then study and analysis the crimping results both by single factor visual analysis and multi-factor orthogonal matrix analysis, finally it concludes...

Nowadays, functions of Dam Safe Monitoring Information Management System are unceasingly strengthening and computer network is rapidly developing, while the problem of system and data security is day by day prominent. This article summarized current development situation of Dam Safe Monitoring Information...

Service for manufacturing resources,this paper proposes a manufacturing service operation mechanism based on Spring Framework.And this mechanism uses Apache CXF tools,describes the process of service registration, discovery and invocation.This paper analyzes the service problems of human resources, user...

In the current scenario, the aim of mining operations is to obtain as much usable ore as possible while maintaining a safe and profitable working environment. In open-pit mining and quarrying operations, the stability of slopes is of the utmost importance from both an economic and a safety standpoint....

This paper proposed a solution method for the nonlinear frequency response analysis of structures combining the Nonlinear Single Resonant Mode (NSRM) theory and eigenvector perturbation theory. The NSRM theory assumes that only the mode in the vicinity of a resonant mode has nonlinear behavior, and the...

Shear horizontal surface acoustic waves (SH-SAWS) propagation in layered piezoelectric structure carrying an array of microbeams is studied in this paper. Based on the three-dimensional piezoelectricity theory, the coupling wave equations are obtained and solved by analytical method with consideration...

For analyzing the free vibration of exponentially functionally graded beams a transfer matrix has been developed. The transfer matrixes of exponentially functionally graded beams which need the loop iteration are derived in closed form. The proposed transfer matrix based on the Taylor series expansion....

Closed operation control of section switch and loop switch in distribution network to change the topology structure of the distribution network, thereby changing the distribution of power flows in the distribution network. It can improve the operating efficiency of the distribution network. In addition,...

Space size plays an important role in the properties of confined water. This study aimed to investigate the flow behavior of water confined in a slit pore. Molecular dynamics simulations were acted to analyze the confined water molecules in slit pore. Pressing the plates to form the confined condition...

According to the exact three-dimensional (3D) thermal theory, the steady temperature distribution in a laminated rectangular plate with zero temperature conditions on four lateral surfaces was studied. An analytical method was developed to solve the temperature field in the plate. Firstly, the general...

Plenty of grinding heat will generate in the process of grinding titanium alloy, it will lead grinding burn easily, and finally affect the surface quality of the workpiece. As a result, it is usually to use a lot of grinding fluid in the traditional grinding to reduce the temperature of the grinding,...

Wangjiazhai coking coal, Dahebian gas coal, Pan county lean coal as blending coals in this study, we mixed coke powder and asphalt into the coal samples to prepare formed coke, Therefore, the high strength, low ash, low sulfur and wear-resisting coke was obtained, and the best coal blending scheme was...

The total nitrogen (TN) concentration of Datong Lake has exceeded the standard concentration due to some artificial causes. Inflow from channels may be an effective method to help lower TN concentration and improve water quality. In this paper, a lake-channel network numerical model is set up for Datong...

The effective way to resolve the shortage of agricultural irrigation water resources is the research and application of new water-saving technology of surface irrigation in China. The aim of this paper is to improve the quality of field irrigation and water use efficiency, introduced two advanced water-saving...

The road along the river in general water scouring, scour, soak for a long time, leading to the highway subgrade, slope and the corresponding protection engineering deformation and collapse, gradually lost its original functions.To water damage roadbed stability analysis and control countermeasure research,...

Through NSCT transformation, an image will be decomposed into a low-pass sub-band and K-direction sub-bands, but the sparsity is different for each direction. Therefore, this paper proposes a new way for fusion of infrared and visible light images which is based on improved compressive sensing. First,...

The big data tide is sweeping the globe and becoming a new kind of productivity. The big data technology not only means access to large amounts of data, more importantly is through the analysis and integration of massive data to get the valuable information hidden in the data. And as a new way of thinking,...

Accommodate the problem of the amount of information for the general black and white two-dimensional bar code is relatively small,and the appearance is monotonous, we propose a color two-dimensional QR barcode with logo. This kind of color QR code achieve the purpose of improving bar code to accommodate...

In order to lengthen floating time of foil in the air and improve its scattering abilities, this paper proposes a novel structure of millimeter wave foil. By cutting useless part of foil, its weight is reduced appropriately while its scattering properties as well as floating time are strengthened which...

Aimed at temporary grounding wire detection problems in distribution network, some factors influence the detection precision, on this basis, an electromagnetic transient simulation model for temporary grounding wire detection was established based on PSCAD/EMTDC platform, the model simulates the actual...

A novel implementation of encryption algorithms based on FPGA gates is described in this paper. The encryption algorithm is focused on different FPGA devices with the same number of cascaded NOT gates but have different time delays to signals. The cascaded NOT gates are achieved by programming. These...

There are many different processing for 3D printing. The Slicing 3D CAD model is the pretreatment process of 3D printing. Area filling is the necessary step no matter what kind of slicing way is used. In this paper, an area filling algorithm for 3D printing is developed. In which the cubic polynomial...

A UV curable complex system with vinyl resin and polyurethane acrylate photo-polymerization was investigated. The UV curing process of complex system was traced by IR. Thermal decomposition temperature of UV cured film for various system were determined by thermogravimetric analysis(TGA). And physical...

During the winding construction, the pre-stressed wire wound orthogonal preload frame bears the preloading force applied by the steel wire from top, bottom, left and right simultaneously. Compared with the ordinary preload frame, it bears complex force, there is no obvious distribution rule on the surface...

It was investigated for statistical analysis on impact toughness of welded joints between B610CF and 16MnR steel using shielded metal arc welding (SMAW) and mixed gas arc welding (MGAW) method. Low temperature(-20 C) impact toughness experiments and normal temperature(20 C) impact toughness experiments...

Surface-electromyography (sEMG) is a kind of weak physiological signals. During the sEMG signals measurement, the motion noise caused by body movement can easily affect measurement accuracy. In order to prevent the noise, we designed a method to adaptive noise cancellation combined with wavelet transform...

This paper focuses on a large kitchen fume gas purification device newly designed by numerical simulation using FLUENT software. The velocity distribution and pressure distribution within the whole device are simulated. Particle trajectories of different droplet diameters (5 m, 8 m, 11 m, and 15 m) are...

With the development of the computer technology, the R & D outsourcing is becoming more and more popular for the company area. This paper presents the decision-making model and risk of R & D outsourcing based on supply chain in IT, it discusses the phenomenon of the R & D outsourcing in IT market and...

In the paper, the influence of user trust relationship on recommendation is mainly analyzed, user rating and trust relationship are also clearly defined. Meanwhile, the traditional SVD matrix factorization algorithm is extended to introduce the explicit influence (user trust value) and the implicit influence...

Marine navigation information system is an indispensable modern shipping navigation equipment. With the continuous development of the international shipping industry, new demands have come up in real-time, stability and versatility, etc., which puts forward the higher request to the ship navigation system....

The MIL-53(Fe)/BiOCl composite catalyst is triumphantly man-made by two-step solvothermal method. The MIL-53(Fe) which possesses nanoscale polyhedral structure is loaded to the surface of BiOCl microspheres. 2,4-DCP is regarded as a simulated pollutant in environmental wastewater, at the same time, H2O2...

Based on the study of artificial neural network, the neural model was established for the prediction of germanium extraction from zinc oxide dust by microwave calcination-sulphuric acid leaching. Microwave heating temperature, liquid-solid ratio, leaching time, initial concentration of sulphuric acid...

In this paper, the CALPHAD Helmholtz energy approach, based on the Debye-Grüneisen model, has been used to calculate the thermodynamic and thermophysical properties of fcc Ag (Silver). Through this approach, thermodynamic properties, e.g. heat capacity and Gibbs energy, and thermophysical properties,...

In this paper, the radome of 3/4 power series generatrix is taken as the object of study, and fluid-thermal-structure coupling field of it is simulated and analyzed with sequential coupling method. The aerodynamic load under Ma=6 flight condition is calculated using standard model. Then the finite element...

Transfer functions are commonly used in the analysis of systems such as single-input single-output filters, typically within the fields of signal processing, communication theory, and control theory. Transfer function models is of considerable interest in economics, engineering, biology, and many other...

The SbFeO3 was reduced to obtain the SbFe and Sb2Fe alloys, and the SbGeO3.5 was reduced to obtain the Sb-Ge metal composite powder. The simulation lithium ion battery was prepared by using the SbFe and Sb2Fe alloys or the Sb-Ge metal composite powder as anode material. The analysis of the XRD and the...

Fatigue driving is refers to the driver in a long time continuous driving or physical fatigue condition, and then come into being physiological and psychological function disorder, led to a decline in driving ability. Aimed at the requirements of monitoring on the fatigue driving, this article designed...

Longwall technology is the mass production technology for underground coal mining. Stability of Gate roadways forming Longwall panels is essential to ensure the safety of Longwall mines. Gates and chain pillars between Longwall mining panels are subjected to a complex loading process throughout their...

Light-weight block cipher is the protection of RDIF label and smart card in communication of Internet of things.It's safty is very important..The article analyzes the fault propagation of the traditional light-weight block cipher with feistel structure and proposing a deep differential fault analysis...

The usage of social network usernames in the research of social identity linkage has been proved, especially for the English usernames. However, how to properly connect Chinese user identities by matching the usernames remains to be explored. Since a Chinese user may name or rename his/her usernames...

The limit of methane explosion and the characteristics of methane explosion pressure under different conditions of humidity ( 15%RH 63%RH 92%RH)are studied by using the test system of 20L explosion characteristics in special environment. It is concluded by the study that when the other conditions remain...

In the past two decades, the highway mileage of rapid growth, while the rapid development of highway construction, the adverse effects of natural disasters on road transport infrastructure has become increasingly prominent, Loess region has a special terrain , geology and geological climatic conditions,...

Considering the actual structure of special vehicles and security factors, three road test for special vehicle’s handling and stability and eight index were used in this paper. The subjective weighting method and the objective weighting were respectively used to evaluate the special vehicle’s handling...

Objective: To make a study of the effects of EGCG on learning and memory abilities in mice with Alzeimer's disease. Methods: The mice were divided into normal control group, model control group, brain repair group, low EGCG dose group, middle EGCG dose group and high EGCG dose group. We use the evaluation...

From the perspective of human-computer interaction, we design and implement a software that automatically generated frame graphics, which can conduct partial detection of any relationship, and then determine whether the poset is a lattice. By introducing the concept of Hasse diagram logic level and calculating...

Water is the foundational natural resource and strategic economic resource, which plays an important role in maintaining ecosystem and environment. Considering that the flood water resources are a special form, the floodwater utilization is a special way of surface water resource utilization. Based on...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total nitrogen(TN) and total phosphorus (TP) by the manipulative indoor experiment. Result revealed...

The land use change is an important research field of landscape ecology, through the model simulation of land use change tendency is one of the main research content of this field. CLUE - S model as one of the model can well simulate the land use change of small scale, it has multiple areas at home and...

In this paper, an ultra-low-power integrated RF front-end for UWB system is proposed. It contains a single-ended low noise amplifier (LNA) and a double balanced mixer. The resistive shunt feedback topology is employed to achieve a good input impedance matching in the whole UWB band. The stacked common-source...

Segmenting individual trees from the forest point cloud has significant implications in forestry inventory. This paper presents a novel computational scheme to segment and cluster the 3D point cloud data acquired by an airborne LiDAR. The scheme employs a mean shift-based iterative procedure on the data...

Traditional target tracking methods are easy to lose the target in complex background, especially tracking multiple targets. In this paper PSO Particle Swarm Optimization algorithm is presented, it is used to calculate the weights of features. and weight the features to get optimal feature, then apply...

More and More Chinese foundry enterprises begin to realize that enterprise resource planning (ERP) is very critical to their business development. This paper analyzed the characteristic of Chinese large foundry enterprises’ ERP implementation and put forward quick implementation method of flexible ERP...

Based on the monitoring results of Changli Golden Coast Nature Reserve (2009-2014), conditions and trends of seawater and Sediment quality in this area were analyzed. The results showed that: seawater and sediment quality in this area as a whole is better, however, in some years inorganic nitrogen in...

This paper studied characteristic of two typical grid-side traction converters of CRH series electric multiple unit(EMU)-CRH2 two-level rectifier and CRH5 three-level rectifier. Firstly, the topology structures of two typical rectifiers are analyzed. Then SPWM modulation method, transient direct current...

Cell adhesion to cells or substrates is the basis for cell colonization and survival. Based on atomic force microscope (AFM), a single probe was used to quantitatively measure the adhesion of different cell types. The self-made pneumatic control system produces negative pressure to fix the cells, replacing...

Modern tram has been gradually applied to the public transportation in China due to its humanity, efficiency, ecology and environment-friendly. In the initial stage of development, however, nu-merous problems occurred in terms of function-orientation, route selection during initial imple-mentation, construction...

Heat pipe is a kind of high efficient heat transfer element, which is widely used in all aspects of life, especially in solar energy technology and permafrost. This research focuses mainly on the low temperature gravity heat pipe working fluid and discusses the influence of refrigerant thermos-physical...

Objective – The paper’s aim is to explore an efficient statistical arbitrage system. Methods – The paper use moving-window and Regression model to identify the volatility of the relation between two assets. When the relation move beyond normal range which defined by quantile, arbitrage opportunities...

In recent years, the installed capacity of wind-driven power is increasing continuously in China, but the main measure for long-distance transmission with wind power integration now is series capacitive compensation due to the inverse distribution of wind energy resources and load center in China. However,...

A pot experiment was carried out to study the effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on nutrient uptake of grape seedlings under cadmium (Cd) stress. The results showed that intercropping with C....

With the in-depth applications of wireless power transmission technology, different application scenarios have different requirements on the output mode, energy efficiency characteristics, and disturbance resistance of the topology. The choice of compensation circuit structure will directly determine...

This paper is to speculate the drug demand of each region and assist to plan a reasonable number through analyzing variations of weekly infected people, which is based on epidemic model and multi-objective optimization theory. Unlike traditional SIR model,I consider the patients under incubation period...

Two aspects are needed to improve in the research and practice of current bridge structural test. First, test data is incomplete compare with calculation data, and survey times are insufficient compare with the bridge life circle. Second, although the analysis and calculation accuracy can not be always...

Fabric defect detection has been an active area of research since a long time and still a robust system is needed which can fulfill industrial requirements. A robust automatic fabric defect detection system (FDDS) would results in quality products and more revenues. Many different approaches and method...

This paper designs and implements a high speed image transmission board of external DDR3 SDRAM based on PCI-Express to meet the requirement of high frame rate in high speed image data transmission system. Transmission board uses XILINX Kintex7 series chip XC7K70T as the master chip, through the PCI-Express...

In recent years as the rise of Internet + and geographic information system technology, the traditional GIS has a new development space, let a lot of further application of spatial data, decision making analysis on the space for us to provide the technical support. In the implementation of the national...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

The features and dilemma of ecological environmental protection in the districts and counties of Shanghai City, and the countermeasures are presented in this Paper, so as to provide references for relevant governmental departments to improve the ecological environment construction.

The optimization of mine development Scheme is one of the technical problems in the design of underground mining. With all influencing factors, such as economy, technology safety and time considered, a comprehensive evaluation index system of mine development scheme was established by Delphi method to...

The mode of agricultural supply chain financial applies supply chain finance in the agricultural industry chain, which can effectively solve the financing difficulties of farmers and the rural financial repression issues. We researched the development of Jinan`s agricultural financial supply chain and...

The resettlement project in Southern Shaanxi is featured with a large amount of planning and construction in the scope of town. Due to the disconnection with the village and town planning and the lack of overall consideration on the ecological environment, problems have occurred such as the disorder...

Coplanar capacitive sensors have been widely applied in many fields with its characterstics of non-invasion, lowcost and fast response. Length and width of sensor electrodes, excitaion frequency are considered to affect the performance of the sensor. In order to improve the sensor performance, and to...

This study develops an inexact stochastic bi-level programming model (ISBPM) for planning electric power systems (EPS) under uncertainty. ISBPM is formulated based on interval-parameter programming (IPP), stochastic mathematical programming (SMP) and bi-level linear programming (BLP). In the ISBPM framework,...

In China, the information industry make progress of China's computer technology is also a step by step, about the exploration and application of image processing especially prominent, in particular, real-time image processing technology has been more attention. How to deal with massive data in real-time...

The surface trajectory of lapping disc in lapping process was simulated in this paper. The simulation was based on the analysis of lapping disc wear trajectory by using the computer simulation technology. The law of disc wear trajectory and the influence of processing parameters were studied. The computer...

In this paper, a novel hybrid structure of reflectarray with dielectric cylinder, metallic cylinder and metallic ground is designed. This structure can generate a pencil beam in a desired direction by adjusting its phase appropriately with its 1-dB gain bandwidth achieving 22.56%. Moreover, radiation...

This paper presents an approach, called IECA, for modeling and implementing the architecture of Internet of Things(IoT) applications using an active rule-based model. Considering the effective collaboration and the quick response which are necessary for IoT information sharing and service provisioning,...

MANET has been widely used in some special application scenarios, but because of its own characteristics lead to less secure and easily be attacked, resulting in significant losses. In response to this situation, this paper proposes a new trusted security architecture of MANET nodes based OPNET. Borrowing...

The seismic safety of the dam involves the safety of people's life and property, and even affects the overall safety of the national economy. One of the key of technical issues in this subject is the more complete fluid-structure interaction(fsi) theory and the more accurate calculation method. In order...

The mathematic model of distribution automation terminal configuration optimization is established based on the cost-benefit theory, taking the minimum area as the basic analysis unit, considering the balance of economy and reliability. The number and location of electrical distribu-tion automation terminals...

The effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on photosynthesis of grape seedlings under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic...

This paper describes the development of the smart home intelligent switch system and the necessity and convenience of the office,The intelligent switch can be connected to WiFi network to control appliances through mobile APP, what get people generally favored is its small size, convenient operation,...

The existence mode of ancient villages is different from urban environment where the commercialization continues to strengthen. The constancy of life produced change with sociological significance from visual expression to evaluation of value since the intervene of new elements.It has been through the...

Power system state estimation provides accurate and complete data for several online advanced application software in energy management systems. Its main consideration is how to acquire accurate data. State estimation are usually solved by weighted least squares estimation, and selecting a reasonable...

In this paper the intelligent vibration road roller system is simplified to three degrees of freedom dynamic system the differences between the dynamics model with past is that we not only considering two degrees (vibration wheel the soil or frame wheels) But at the same time considering vibratory wheel...