Advances in Engineering Research

For the past few years, the study on the technology of internet of things (IOT) has become a hot topic of the field of science at home and abroad. In the filed of farm products logistics, the technology of internet of things can effectively track, trace and manage the farm products in the supply chain...

Car travel characteristics is one of the important factors affecting of the urban road network operation. To provide support for traffic refinement management and policy making, collecting car travel data and having in depth analysis of its travel behavior characteristics, is the key aspect in encouraging...

In the practice of product design, the efficient control of complexity has increasingly gained importance. The Dependency Structure Matrix (DSM) has proved to be a useful tool for analysing system structure and managing structural complexity. In order to provide a deep insight of system structure in...

The article main research of the formation of Chinese new words rhetorical ways. First analyzes the basic situation of the "word" rhetoric, and definition and principles of new words, and then study and discuss all kinds of rhetoric formation emphatically, including made lexical metaphor, metonymy formation...

With its low production cost and environment compatibility, precision compression molding of glass lenses technology has developed rapidly. In this research, a numerical optimization design for a compact and efficient precision glass molding prototype is raised, which combine both thermal and deformation...

In allusion to the problem of poor encoding effect of the recognition of QR Code restricted by image acquisition devices and affected by the interference of some external factors, the decoding method after pre-processing the image of QR code by image processing technology is studied in this paper. Experiments...

Aiming at solving the problem of dash current and over voltage of parallel reactive compensation capacitor group in power system ,this paper research on the phase control synchronous switch and the current-limiting reactor .With the of Huangti system, which involves both of the protection tools, Simulation...

This article select 30 listed companies in machine,equipment and instrument manufacturing as study object.AHP is used to created a hierarchical network model about company flexible, Catastrophe progression method and regression analysis prediction method is uesed to analysis the degree that how flexibility...

A method for automatic and accurate feature extraction of space debris is proposed. The echo model of space debris in orbit is formulated first. Then an autofocus search method is presented to obtain the Doppler signature of space debris based on the predicted orbit. The inverse Radon transform (IRT)...

In order to find the plane quickly, we demand to build a generic mathematical model to assist planning a search method to find the plane crashed in open water efficiently. What's more, in our model we shall consider the different types of accident plane and search plane based on the use of different...

Flatness set curve is the target of strip flatness control system which represents the desired strip flatness quality. If the longitudinal residual stress along the transverse distribution of the strip can be measured accurately by the flatness measuring roll, the actual flatness can be controlled accurately....

The limited smart phone battery and computational resources demand efficient and low-power consumption algorithms for the instantaneous heart rate detection using phone built-in camera. A phase detector based method is proposed to improve the performance of heart rate detection software using built-in...

The nonlinear Burgers equation is a hot issue in the field of computational fluid dynamics, which has nonlinear convection term and diffusion term. In this paper, we give a numerical solution of the nonlinear Burgers equation by a combination of finite difference and Chebyshev-Galerkin method. Use the...

Although there are already a number of metrics of image quality assessment (IQA), most of them are complex and time consuming. This article proposed a simple method to qualify images' quality with full references. The proposed metric is tested on image database tid2013.

This paper proposes a method of mechanical performance prediction of cold rolled ribbed steel bars based on BP neural network with whole variable space. It builds a whole variable space model and studies the mechanical performance prediction of cold rolled ribbed steel bars based on the 5-in & 1-out...

In order to test equipment purchase, use and inventory management in an all-round way, this paper based on needs analysis, in accordance with the standard design process research, provide technical support for system development. First of all, the conceptual structure design, using entity relationship...

This paper presents an example of the Pinghong(Pingxiang to Hongkoujie) expressway in Jiangxi province continual construction project, focusing on identification of disease types, analysis of disease causes, as well as to the measures and suggestions for disease treatments. It can provide references...

A perfect logistics distribution system is not only the guarantee of high-quality service of retail enterprises but also the most important factor influencing the costs and profits of retail enterprises. However, the development of China’s logistics industry is not mature and most retail enterprises...

The shortcomings of the traditional refractory brick processing equipment with sensor and cylinder are ineffective and the high failure rate. Aiming at this situation, the mechanical automatic processing equipment without sensor and cylinder has been designed based on some software like SOLIDWORKS and...

Some new heterogeneous catalysts used to synthesize the tributyl citrate (TBC) and aspirin were prepared and characterized by brunauer-emmett-teller (BET), field emission scanning electron microscope (FE-SEM) and X-ray diffraction (XRD). The effect of temperature, catalyst loading and the concentration...

Publish/Subscribe communication model has the characteristics of asynchronous , multipoint communication ,it can makes the participants of communication decoupled in space and time and control flow completely , and can meet the needs of loose communication that the large distributed system asks effectively....

This article introduces a kind of reinforced concrete hollow pillar, the pillar with hollow beam and column composed of reticular cells, each mesh cell in the horizontal direction through the telescopic column connection, in the vertical direction through the internal screw sleeve connection, terminal...

The order-grouping problem of Hot Rolling Seamless Steel Tube is studied in this paper. A multi-objective optimization model minimizing overall delivery date and address difference is established, then a multi-objective evolutionary algorithm with elite-strategy and crowding distance computing is designed...

In this article, through the numerical simulation of the wind turbine under different wind speed, we can observe the changes of the blade surface pressure. If the air pressure of the blade surface is larger, the erosion is more serious. In consequence the erosion degree will be more and more serious...

This is a review on the structure and performance characteristics of carbon fiber and carbon fiber composite material (CFCM) and their application research progress. Carbon content varies with the type of carbon fiber, and the carbon content is usual more than 90%. Carbon fiber possesses excellent mechanical...

Green air-conditioning system is important for the development of low carbon society. Compared with vapour compression system, absorption system is more environment-friendly and can be driven by renewable energy. But the low performance impedes its development. The major reason lies in the energy waste...

The sulfate and chloride has great significant erosion on concrete structure. To provide theoretical reference for practical engineering application, this paper describes the mechanism and influencing factors of concrete sulfate and chloride erosion briefly, then discusses the main measures to improve...

The airport security inspection network model based on the Petri Net is established to identify the bottleneck of the airport security inspection system. A reach ability graph is set up to represent the process of the security inspection. We can get an isomorphic Markov Chain by simplifying the reach...

Research on the hybrid electric city bus which is produced by a company, using virtual prototyping technology in the simulation software ADAMS/Car to establish the vehicle dynamics simulation model and road simulation model. And the vehicle model for the random road input ride performance simulation...

With the development of modern vessels, higher requirements are put forward, such as higher power density, power split and power confluence properties. A new planetary gear powertrain for power combined vessels was proposed. The system has characteristics of multi-flow transmission, multi-ratio, multi-redundency...

With the importance of drive assistant system in intelligent vehicle, the vehicle detection fusing multi-sensors and multi-vision features is provided. The vehicle detection algorithm is composed of two steps. Firstly, the vision sensor and millimeter wave radar sensor are used, and with space transform...

This paper proposes the concept of Sub band Fractional Fourier Transform (SB-FRFT), and extends to the 2-D sub band fractional Fourier transform. By combing the low-frequency sub band image after SB-FRFT with the traditional Sobel operator, edges of an image could be extracted more precisely. Experiments...

The course of action (COA) generation is the course of designing the task planning flow, which is one of the key supporting techniques while the military organization executing aerial operation. The high dynamic air battle field required the fast generation and regular updating with the change of the...

The relationship between wave length, diameter and number of layers and the loss factor of multi-layer bellows was analyzed by using the iterative method of modal strain energy, according to the numerical analysis results of the finite element ANSYS software, the influence curves of different parameters...

For the problem of traditional binarization algorithm can’t segmentation license plate adhesion or intermittent character effectively. This paper proposes a new binarization algorithm which use a curved surface fitting algorithm to get a new gray level image based on sub-pixel. Experiments show that...

This paper presents a novel approach to improve the accuracy of auxiliary particle probability hypothesis density filter without the need of clustering step. In most cases, the states of target can be seen as combinations of linear components and non linear ones. The new approach separates the two different...

Constructing scientific and practical teaching material management system, managers can use the network to deal with related work, students and teachers can always check the progress of teaching material period of related work, check the cost of teaching material, contribute to the management of transparency,...

Since the 1990s, with the rapid development of Internet technology, network has gradually walked into our life. At the same time, the information construction in China has been vigorously developed. In China, rural population takes up a large part of the population. It has always been an important issue...

Traffic incidents detection has become an important issue in the past decades, which would result in a large amount financial cost and considerable reduction in traffic efficiency. Most previous studies mainly pay their attention on automatic incident detection in freeway corridors based on the traffic...

To research the performance of asphalt mixture with lucobit. Firstly, research the rutting resistance mechanism of Lucobit,through the results of influence rule of aggregate and asphalt for modifier and the modification mechanism of modifier show that Lucobit modifier improves the pavement performance...

The sliding formwork construction is a new technology of cast-in-place concrete project, compared with the conventional construction method, synovial fast construction speed, high degree of mechanization, can save formwork and scaffold required quantity, can be more convenient and flexible template apart...

As a knowledge discovery in internet, data mining technology is the cross of machine learning and databases technology. Data mining can provide massive amounts of data analysis using machine learning techniques and manage massive amounts of data by the use of database technology. The goal of machine...

Nowadays, there are increasingly obvious contradictions between the wood production and the rapid development of national economy. In addition, there are wild work, extensive management and astonishing waste in the forestry production and management field. The major work for the forestry workers of China...

The Fule Park, located in Mianyang of Sichuan, with rich historical heritage and local style, is an important and unique representative of Sichuan garden. The park was constructed in use of the natural landscape conditions, while its Road ingenious design, making landscapes, gardens, cities, unique combination...

The objective evaluation index system of large inertia vehicle’s handling and stability was set up, the vehicle experiment was performed to get data of evaluation indexes referring to national standard. Three objective weighting methods with different focus were chosen to get the weighting coefficient...

In this paper, we firstly consider the impact of the accident on the problem of toll square traffic and establish a prediction model of traffic conflict to get an accident rate. Then, these parameters are applied to cellular automata model based on the cellular theory, and MATLAB is used to simulate...

Mined-Out Area Saturated by Water is a serious threat to the safety coal-mining practices. This research focuses on detecting mined-out area saturated by water with transient electromagnetic method. Data acquisition system was arranged along 65 survey lines, and the total of 4830 survey points were recorded....

Giving priority to the development of urban public transport is not only an effective measure to alleviate urban traffic congestion, but an inevitable requirement for improving urban livingenvironment and promoting the sustainable development of cities. System simulation of scheduling time and inventory...

Solar energy is one of the most important renewable energy, and it will not cause pollution and damage to the environment, using PV solar energy collection devices to generate electricity for the ship will be expected. When PV module supports are installed on the ship's deck, the wind and wave loads...

Pneumatic balance crane in the process of porter parts can be efficient and precise, cylinder plays a vital role.For a reasonable selection of the required cylinders,by analyzing the motion characteristics of the four-bar linkage and the force analysis of the rod in the pneumatic balance crane, the magnification...

The daily precipitation data, from 1962 to 2012, of 20 relative meteorological stations in the Northern part of Haihe River Basin (NHHRB) were collected and analyzed to test the spatial variation and evolution trend of the extreme precipitation in NHHRB. Eight extreme precipitation indexes were selected...

Deleting the average class of constant false alarm rate monitoring (CMLD - CFAR) ,which bases on an average constant false alarm rate monitoring(CA - CFAR) ,can not only overcome the ML type detector under the background of multiple targets detection problem of poor performance, but also address the...

The feature histogram is made of different labels containing information about patterns on a pixel-level. This means that pixels of the same label may come from different parts of a face. There must be some errors between the actual feature histogram and the accurate feature histogram which can completely...

In most cases, the association rules mining (ARM) will generate a large number of rules, most of which are of no interest. In order to find the interesting rules from the large-scale association rules more effectively, this manuscript presents a new method to research the association rules based on Complex...

Firstly, from the point of view of the frequency domain Helmholtz equation, a detailed description of the frequency domain modeling process and frequency domain blended seismic acquisition forward process were given. By solving the Helmholtz equation, reverse-time migration method in frequency domain...

For studying the influence to mine hoisting steel wire rope tension and deformation from load and elastic modulus, according to the differential equation of mine hoisting steel wire rope tension and deformation, we establish the corresponding dynamic simulation model using Matlab-Simulink, carry out...

Seismic signal generated by moving on ground by person and vehicle target is sensed by MEMS accelerometer, then collected and processed by MSP430, achieving early-warming and target identification of ground targets. A seismic signal warning algorithm based on the characteristics of noise is proposed...

Adjust the dose of related synthetic method through the experiment, in order to improve the efficiency of the synthesis of intermediates. When adding catalyst 1.8 g, the product yield up to 63.11%; Adding 30g anhydrous ethanol yield up to 61.45%. different materials for the amount of drug income atorvastatin...

Intelligent decision support system which can help to make decision in solving the complex decision problems through logical reasoning is the combination of decision support system and artificial intelligence technology. Rough sets technology is a mathematical tool for data analysis to deal with fuzzy...

With the development of computer and network technology, athletic meeting management is constantly toward modernization, and in the popular athletic meeting management software, the grouping lane dividing of track events is fixed eight lanes, scheduling algorithm is fixed, and there are some flaws. Therefore,...

New free radical-cationic hybrid photopolymer, consisting of acrylate-based and epoxy-based photosensitive resin for stereolithography was prepared. The influence of the initiator sort and amount on the curing degree of the photopolymer was investigated. Photopolymerization process, degradation temperature,...

By far, logistics has had more than 100-year development history since it was put forward by Johnsy Baker in 1905 in Troops and Transportation of Munitions. Most logistics mentioned by people in daily life are modern logistics which means a new-type integrated management combining all logistics activities...

For the sake of providing scientific the theoretical basis for establishing appropriate counts of toll booth on freeway, we build a delay time model which is established by hydro-mechanics theory and queuing theory. Using this model which can get the average total delay time required for a vehicle to...

Human action recognition is a highly active research topic in the field of video surveillance, human computer interaction and other fields. Due to the huge amount of computation, many existence methods fail in real-time applications. In this paper, we proposed a human action recognition method based...

Double chamber microbial fuel cell with anaerobic and aerobic was used in treatment of coking wastewater. The influence of electrode materials, initial COD and temperature on the power generation performance of microbial fuel cell was investigated. The results shown that, the electricity production performance...

According to the characteristics of double fed asynchronous generator rotor energy flow, research and design based on the DSP control with two-way flow of energy function of Dual PWM converter and discusses the grid side converter control method of Dual PWM converter in particular. The wind turbine simulation...

The expanded F-expansion method was used to construct the evolution wave solutions involving parameters for the Complex Ginzburg–Landau equation. The evolution wave solution in several forms are shown and the numerical simulation figures are given.

Considering that it’s difficult to dealing with symbolic expressions which are stored in the form of strings, we put forward an idea that the symbolic expression is stored in a right-thread binary tree, and we minimize the right-thread binary tree so that the symbolic expression could be simplified....

We prepared five heteropolyacid catalyst by one-pot method, the reaction temperature was 65oC, reaction time 8h, hydrogen peroxide 3mL, naphthalene 1000mg, H4PMo11VO40 100mg, naphthalene conversion was 30.3%,the selectivity of naphthol was 46.7%. The heteropoly acids have Keggin structure, but also have...

In this paper, using artificial controlled pot experiment to treat Sonchus arvensis L. with different concentrations of cadmium (Cd), the tolerance of Cd in S. arvensis was studied, and the results showed that with the increase of Cd concentration, biomass rises first and then falls, the chlorophyll...

Direct yaw-moment control (DYC) has obvious advantages in centralized-drive vehicles, but in 4WID-EV networked control system, the network-induced delays would reduce control performance of DYC and even deteriorate the 4WID-EV networked control system. To ensure robustness of DYC and reduce the adverse...

A three-dimensional eddy model considering buoyancy was established to simulate vertical buoyant flow from a square orifice in static ambient. The hybrid finite analytic method with stagged grid was used to solve this model. Results showed that axial velocities from a square orifice coincided well with...

The flatness and edge drop is a strong-coupled multivariable control system, so realizing the decoupling control of them is one of the most important issues to achieve the high-precision control. In this paper, the decoupling feedback controller and servo compensator are proposed to trace the target...

O2O e-commerce model is a promising young e-commerce model derived from the traditional e-commerce model, it especially solves the store sales problem in service industry and commodity backlog problem of traditional business. After the rise of e-commerce in China, e-commerce got wide response of merchants...

The system of time-to-digital conversion is based on the Field Programmable Gate Array (FPGA)[1], compared with the TDC system existing now, the innovation of this design is can measure the width of the continue pulses. This system is designed on the Spartan-6 platform of the Xinlinx company. There are...

As in recent years, rapid development of mobile phone hardware and operating systems such as Android, ios continue to optimize the market potential of the mobile market is gradually excavated, which created hear Lang stretch of mobile terminal APP. How to promote APP and make targeted deployment according...

The development of modern agriculture should be guided by the theory of sustainable development, and should be based on the idea of harmonious coexistence of man and nature. Starting from the connotation of sustainable agricultural development, this paper constructs a element of modern agriculture sustainable...

The W-2 high-temperature enamel coating which coated on the surface of the K403 guide vane, presents the faults of coating’s collapsing and cracking frequently in use because of the greater difference between W-2 high-temperature enamel coating and K403 alloy in coefficient of thermal expansion. In order...

The interactions of structure-human and those of human-human would change the macroscopic behavior of human walking on the structure and which, would further result the change of walking forces. The complexity of walking forces during the interaction process is the reason that lively structures exhibit...

In today's Internet era, as the Web site was attacked continuously, the credibility of the software shows more important. The credibility of the software mainly refers to the behavior of software at run time is consistent with the expected behavior, which is a special form of software quality. This paper...

The greenhouse can effectively improve the yield per unit area of land, out of season limits the growth of plants, based on this, puts forward a set of intelligent greenhouse automatic control system based on C language design, through the system can be realized in to carry on the accurate control of...

Based on Homogeneous Equilibrium Model combined with full cavitation model, the cavitation flow inside a single-hole diesel nozzle is simulated. In order to analyse the effect of the fuel temperature increase on the characteristics of the internal cavitating flow, the inception and development of cavitation...

In this paper, we study a scheme to optimize the throughput of the inspection system. Firstly, the checkpoint sequence model based on control sequence is established, which serves as the basis of the latter model. Secondly, the channel quantity optimization model based on queuing theory is established...

Indicator diagram is an important factor to study working status of diesel engine for engineers. To large extent, it will affect the safety operation of the vessel whether the results of calculation and analysis are accurate or not. According to the analysis on the frequency spectrum of a certain type...

The accurate 3D molding function of Rhinoceros software is used and combined with the fast and realistic render effect of Keyshot, which is the fastest and the most effective three dimensional design software in the area of current ceramic moldingdesign. The paper is mainly explored the application of...

This paper introduces self-adaptive fuzzy PID controller to improve static and dynamic performance of magnetic suspension systems aiming at the characteristics of nonlinearity, hysteresis and uncertain model of the systems. The simulation results demonstrate that this fuzzy self-adaptive PID controller...

According to the low accuracy of single feature-based image retrieval algorithm, the paper proposes a strategy which fuses the SIFT and the color feature, to obtain a kind of relatively simple and accurate retrieval approach. To accelerate the retrieval process and improve the efficiency, the paper adopts...

Characteristics of different heat recovery devices from exhaust air were introduced.An actual project was taken as an example,three heat recovery systems from exhaust air by rotary wheel exchanger,plate-fin heat exchanger and recovery fresh air heat pump units were presented.The energy saving and economic...

Amphiphilic carboxyl-terminated Hyperbranched Polyester (c-HBPE) is synthesized by 1,2,4-Benzenetricarboxylic anhydride BTAA and 1,6-hexanediol. The structure of c-HBPE is characterized by FT-IR, 1H-NMR, GPC. Vesicles of c-HBPE are fabricated by aqueous self-assembly. Results of Transmit-tance Measurement(TM),...

The management synergy theory in our country had formed a stable theoretical basis after a large number of scholars’ research. Lump-sum contracting management model was most widely used in all the other project management modes. In order to further enhance the management efficiency of this model, this...

The paper aims at knowledge management and application problems during the diesel research process, reviews the development of ontology in the Semantic Web domain, analyzes the requirement of the knowledge ontology frame, puts forward the diesel domain ontology candidate principle, constructs the whole...

This article system, fully discusses the Web transaction clustering analysis of two stages, namely data preprocessing and cluster analysis phase. Data preprocessing phase, including log analysis, data cleaning, the user identification process; at the same time, studied the Web transaction clustering...

It is a complex nonlinear problem to analyze the interaction between bind and the deformation of surrounding rocks and the depth of plastic zones as well as the deformation caused by destruction. This study tackles this problem by taking into account the size of roadway section, burial depth, rock parameters...

The quantitative determination method of seven organic phosphate esters (OPEs) in urine by gas chromatography-mass spectrometry was established and optimized by changing the derivative reaction procedure, the different sample doses and the different extraction reagents. The results showed that the best...

A new asymmetrical photochromic diarylethene, 1-(2-methyl-3-benzofuryl)-2-(2-methyl-5-naphthyl-3-thienyl)perfluorocyclopentene (1o) was synthesized, and its photochromism and fluorescence properties were studied in detail. Upon irradiation with 297 nm UV light, the colorless 1o changed to violet both...

Zr-based bulk metallic glass possesses the highest potential as a structural material among metallic glasses. However, its potential application has been restricted by a number of issues, such as fragility, small size and difficult fabrication into different shapes. In this paper, an attempt is made...

Since China is a vast agricultural country, effective circulation of agricultural products is closely related to national economy development, agriculture modernization as well as fundamental interest of farmers. With the rapid development of agricultural economy, people’s life quality has been constantly...

Based on the First-principle, using ab initio Hartree-Fock self consistent field method combined with many-body expansion method, two-, three-, and four-body potential energy of face-centered cubic (fcc) solid neon are calculated with the atomic distance R from 1.6?... to 3.0?.... Then we obtain the...

We utilized the finite-difference method to establish the discrete distribution model of the two-dimensional bathtub plane at the heating moment. We achieved the simulation of temperature distribution on the two-dimensional plane through numerical analysis, Gauss-Seidel iterative method. By comparing...

The multiple criteria decision making (MCDM) methods VIKOR is applied to the selection of the most desirable remediation for a chlorinated hydrocarbons-contaminated aquifer located in Pudong district of Shanghai. Ranking index based on the particular measure of ''closeness'' to the ideal solution is...