2nd International Conference on Electronic & Mechanical Engineering and Information Technology

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524 articles

A Prioritization Algorithm for Crime Busting based on Centrality Analysis

Yundong Gu, Wentao Li, Liwen Zhang, Mingke Shen, Binglei Xie
Detecting conspirators, which often relates to organized crimes, represents a major problem for many investigation bureaus. A prioritization algorithm based on centrality analysis was introduced. The correlation between suspects was modeled as a social network, and the degree, betweeness and eigenvector...

Design of Network Control System for Car Lights based on CAN Bus

Wei ZHENG, Guangsheng HAN
Aiming at the requirements of reducing the wires and cost of vehicular electrical systems, it is presented a scheme of the network control system for car lights. It is firstly introduced the characteristics of Controller Area Network (CAN) bus which is generally implemented in control systems for modern...

Lane Departure Warning System for Vehicle Active Safety Perception Platform

Jia HE
The vehicle active safety perception platform is a effective way to prevent vehicle accident. Lane Departure Warning System (LDWS) is one of the most important aspects of this system. In this paper, a set of image processing method which can give results fast and accurately in the non-ideal conditions...

Research on the Similarity Algorithm of Chromatographic Fingerprint Based on Information Entropy

Hang Wei, Li Lin, Pingping Chen, Dingying Tan, Qinqun Chen
In order to reduce the error of interangle cosine method or correlation method in the chromatographic fingerprints analysis, an improved similarity algorithm that assigns different weight according to information entropy was proposed in this paper. In this way, 23 samples of Exocarpium Citrus Grandis...

A Robust Digital Watermarking Algorithm Based On Pre-processing Method

Jingzhou Sun, Yizhen Cao, Yongbin Wang
In recent years, with the development of computer and networking technology, much more attention has been raised to digital watermark technology. The robustness and invisibility are two main indicators of the digital image watermarking system, and the combination of watermark pre-processing and embedding...

Research on Route Optimization Problem of Road Transportation

Kai Yin, Yanxia Liu, Hongtao Xu, Gang Yin
The main research object of the paper is route optimization problem of road transportation, which focuses on motorcade transportation. It mainly includes: analysis of factors influence route optimization, establishing the model of motorcade transportation route optimization, researching the solution...

A new method of page standardization based on DOM

Weicheng Ma, Yong Fan, Wenqian Shang, Fengyan Wu
With the rapid development of the Internet, information as well as websites boomed. And, being differentiated in style, structure or content, it is unable to get the information from different pages using the same model, while it is really a waste of time to search each line of the page to find useful...

Design of Mobile Teaching Platform Based on Android

Weina Zhang, Shuang Feng
Nowadays in campus, the mobile terminals (smart phones, tablet PCs, etc.) are becoming increasingly popular. In order to make students to know teaching information timely and share study materials whenever and wherever, a mobile teaching platform based on Android is designed in this paper. The platform...

Interval Type-2 Fuzzy PID Control and Simulation

Yang Chen, Tao Wang
This paper investigates interval type-2 fuzzy PID control under Gaussian and triangular primary membership functions.Three types of type-2 fuzzy PID controller simulation diagrams are given.The simulation results show the available of interval type-2 fuzzy PID control.

Students' Vocational Skills Training of Road and Bridge Engineering

Xiaohui XIA, Yixi YANG
The purpose of this study is to explore the engineering problem finding ability of high school students of road and bridge engineering. Students were categorized and evaluated qualitatively based on school and gender of respondent. Results indicate that the most consistent predictor of creativity in...

Analysis on dynamic failure behaviors of steel double-layer grids used in a hexagon gymnasium under strong earthquake action

P. C. Wu, H. W. LI, J. Liu
In this paper, the elasto-plastic dynamic analysis on dynamic failure behaviors of a steel double-layer hexagon grid used in a swimming gymnasium with the function of earthquake victim shelter under disaster earthquake is carried out under EL-centro wave with SAP2000, and the appraisal results on their...

Analysis on dynamic failure behaviors of steel double-layer cylindrical latticed shells supported by steel columns used in a gymnasium under earthquake action

Mingzhi Gao, Haiwang Li, Jing Liu
In this paper, the analysis on dynamic failure behaviors of steel double-layer cylindrical latticed shells supported by steel rectangle columns in a gymnasium with the function of earthquake victims shelter under disaster earthquake is carried out under EL-centro wave with SAP2000, and the appraisal...

Number Simulation and Optimization of Air Distribution in a Data Room

Huifen Zou, Yu Rong
With the rapid development of communication industry, many kinds of severs are displayed in the data center today. Their different power consumptions lead to different heat diffusion. The decorate position of air conditioning units have sever effects on the air distribution and the operation of all kinds...

Research on elastic-plastic failure behavior of steel double-layer grids structure system 36X 48m2 used in the badminton practice gymnasium under strong earthquake wave

Wen Long Cheng, Hai Wang Li, Jing Liu
In this paper presents a calculation investigation on the Elastic-plastic incremental dynamic response elastic-plastic analysis of gymnasium practice hall under the loads of EL-Centro earthquake. the appraisal results on their anti-failure performances are presented under strong earthquake action based...

Mechanical analysis of symmetrical driving the movement of the lifting platform

Yi Sun, Yuancai Liu, Binghua Xia
This paper is to mainly study to the lifting platform in the unit by the board device in the copper electrolysis anode plate. According to the design and application requirements, It is proposed four-cylinder symmetrical drive overloaded scissor lift platform design and mechanical analysis of the lifting...

Research on Video Object Segmentation Method

Wei ZHANG
With the advent of video standard MPEG-4 and MPEG-7, the video motion object segmentation becomes extremely important. The paper firstly introduced some basic concepts and the common methods of the video object segmentation technology, and then analyzed the advantages and disadvantages of each method,...

The design and implementation of intelligent mobile message Alarming system

Faying Li, Shanquan Hu
At present, housing security is essential to people’s daily life, so the application of monitor system is becoming more and more common. According to the background, the schema of transmission of alarming information to mobile call is introduced .The alarming system is composed of monolithic module and...

Three-dimensional Finite Element Simulation Analysis of Bridge-type Inverted Siphon Structure

Dongyu Ji
This paper adopts general finite element software to analyse Lingyun bridge-type inverted siphon structure, researching variation law of the inverted siphon’s stress and displacement in construction process and operational process. Research results further verified rationality and security of the design...

The characteristics and statistical parameters of the exhibition building fire load

Jinping Wang
Carried out fire load survey of exhibition building in Beijing, and obtained a lot of data. On preliminary theoretical studies results the data has been analyzed, and then determined the fire load density standard value 876.21MJ/m2, average of 382.97 MJ/m2. The data is not refused to obey the extreme...

Fuzzy multi-objective optimization design of fuel injector pump plunger spring

Erzhong An, Yunchao Wang
Fuzzy theory and multi-objective optimization technology were applied to design fuel injector pump plunger spring based on consideration on its force condition. The mathematical model for the multi-objective optimization design was built under the objective of the maximal fatigue safety coefficient,...

Finite Element Simulative Analysis of Concrete Arch Dam Structure

Dongyu Ji, Weixing Chen
In this paper, finite element simulative analysis is proceeded for the concrete arch dam of Tianshengqiao reservoir. Deducing variation law of the dam’s stress and displacement in construction process and operational process. The analytic results are shown concrete arch dam of Tianshengqiao reservoir...

Hybrid genetic algorithm-based on optimization of multi-echelon inventory structure design

Yang Yu, Zhangen Wang, Qiang Zhang, Wei Yang, Mengzhu Shi
Take inventory and delivery time of raw materials and finished products in the product life cycle from upstream business to the downstream business as the main variable,Integrated cost factors of multiple suppliers, individual manufacturers, multiple distribution center and multiple retailers under the...

Study on the performance of the new high-strength steel-encased Concrete composite beam (SCCB)

Qiyin Shi, Chao Liu, Lilin Cao, Zhen Wang
On the basis of the theoretical study and application of ordinary steel-encased concrete composite beam, this paper will focus on a new high-strength steel-encased concrete composite beam, and mainly studies high-performance steel Q420 and Q460, as well as high-strength concrete C60 and C80. Besides,...

The synthesis of SSZ-13 with mixed template and it's catalytic performance for methanol to olefins reaction

Yunshui Deng, Yuan Li, Yu Su
In order to reduce the cost, a mixed template of BTMA+ and TMADA+ was used to synthesize SSZ-13 zeolite. The effects of the compositions of the mixed template on structure and morphology were characterized by XRD, SEM. The catalytic performance of prepared SSZ-13 was investigated in a fixed-bed reactor...

Research on the Optimized Uprooted Speed Model of Cassava Root

Wang Yang, Jian Yang, Jiaqi Zhao, Zhaoxin Liang, Jianlin Mo
In order to obtain the optimized manual uprooted speed model of cassava root and the mechanical optimized uprooted speed model, the acceleration curves of cassava root uprooting of the experienced farmers are tested and the changing laws of the curves are studied by statistical analysis and nonlinear...

The Cutting Experiment of Full CNC Epicycloids Bevel Gear Cutting Machine

Meilin Li, Xiaolong Shen, Yongxiang Li, Nanlin Yu
The relative motion relationship was derived among cutter, cradle, work gear and generating gear in the course of gear cutting based on the analysis the transmission line of mechanical epicycloids bevel gear cutting machine. Then the motions control general rules of epicycloids bevel gear cutting machine...

Flat Panel Ultrovilet Lamps by vehicle of Porous Alumina and ITO glass

Jian LI, Kun WANG, Shi-qing WANG
Lamps with about 20W/m2 UV emission were made in our work. The lamp was fabricated by ITO glass and bonded aluminum with porous alumina on the surface. The working gas is the mixture of argon and Nitrogen. Lamps properties were investigated.

Tunnel Geological Prediction Radar Alternating Electromagnetic Field Propagation Attenuation in Lossy Inhomogeneous Medium

Si Yang Chen, Yan Peng Zhu, Zhong Li, Tian Yu Zhang
Tunnel geological prediction of ground-penetrating radar waves propagation in a lossy inhomogeneous medium, there must be a high-frequency attenuation. We must consider the electrical energy and magnetic energy of the relaxation loss, while the tunnel surrounding the quality factor in determining the...

Mechanism and Design of Hanging Assembled Supporting Structure in the Roadway

Xiantang Zhang, Yi Bai, Hongmin Zhou, Hongli Wang
The effect of the roadway supporting not only depends on the supporting force itself, but also depends on the surrounding rock, quantity of supporting placement, time and quality of setting up, and contacting points and surface in the surrounding rock. The classification, nature and failure mechanism...

Strength and Shrinkage Property of Nano Silica Powder Concrete

Hongxia Yang
Through indoor test to explore the compressive strength,bending tensile strength and shrinkage property of nano silica powder cement concrete. The test results show that in ordinary cement concrete mixed with an appropriate amount of nano silica powder, and bending tensile strength has increased, but...

A New Way to Determine Engineering Cost Price in the Construction Engineering Tendering

Shumei Cui
The lowest bid method should be used in the bid evaluation of construction engineering, and it is a critical problem that how to calculate the lowest cost price of the bid proposal. In this paper, a new model is proposed, based on multiple attribute decision making theory. According to the tenderer’s...

Comparative Analysis on the Internal Force of CRD Method with different Steps for Excavating Super Shallow Tunnel

Ling Weng, Dingbang Zhang
On the adaptability of CRD four steps method and six steps method for excavating super shallow tunnel, elastic-plastic simulation are executed by ANSYS and Mohr-coulomb criterion. The development and distribution of axial force and moment of two kinds of methods are compared. Analysis results indicate...

Analyzing of Reinforcement Effect of Bolt-Grouting in Squeezing Tunnel

Yuanchun SUN, Huaijian LI, Zailiang XU, Bo GAO
For the weak rock liable to squeezing deformation, it is a very meaningful matter to seek a new reinforcement method. Bolt-grouting support is a new type of active method combine bolting and grouting, its principle is to reinforce the unloading loosening rock behind primary support composed of steel...

Study on the Short-cut Nitrification which in a Sequencing Batch Reactor (SBR) under the Effect of Temperature and Ph

Hui Yang, Jing Ren
In order to research the effect of temperature and pH on the short-cut nitrification, using simulation sewage water as test water , research the material changes in the SBR reactor by change the temperature and pH. The result show that the short-cut nitrification still can proceed when the temperature...

The Research on Operation Parameters Optimization of BAF

Kun You, Jinxiang Fu, Jun Liu, Yashu Yuan, Jiarui Han
The experiment adopted dynamic continuous test, discussing the change of filter velocity, gas-water ratio and water temperature for the stable operation influence of BAF. By comparing the removal efficiency of COD, NH3-N and turbidity of effluent under different filter velocity, gas-water ratio and water...

Physicochemical characteristics and antioxidant activity of the intracellular melanin from Lachnum sp. YM-236

Gengyi Guo, Ming Ye, Meishuang Qian, Qingping Xu, Liu Yang
Melanin LEM236 was extracted and purified from Lachnum YM-236. Scanning electron microscopy showed LEM236 had a blocky, amorphous crystal structure with an irregular surface. Elemental analysis, infrared spectroscopy and 1H-NMR measurements indicated that the melanin had the structure model of a novel...

Construction Technology of APP Modified Asphalt for Pavement

Yuqing Yuan, Tao Guo, Haitao Wan, Wei Li
In order to guarantee the APP modified asphalt linoleum bonding properties of level structure between old cement road and surface coating, the construction key technologies has carried on. Some results were obtained. First, the old road surface should be cleaned up. Secondly, the APP linoleum width deviation...

Creep behavior of Ti-600 alloy solutioned at and + region

Liying Zeng, Yongqing Zhao, Quan Hong, Yunlian Qi
Creep tests were carried out on one kind of near alpha titanium alloy named after Ti-600 at 550 , 600 and 650 with the same stress of 300 MPa. The calculated activation energies for the alloy solutioned at and region are 490.1kJ/mol and 473.5 kJ/mol, respectively. Transformed grains become coarsened...

Investigation of Laser Welding Seam Tracking Based on Visual Sensing

Yougai Huang, Xiangdong Gao, Deyong You, Zhenshi Li
Seam tracking ability is a key for automatic laser welding system. The status of laser welding seam tracking technology is introduced in this paper. The principle and characteristics of the sensors particularly vision sensors used in the automatic laser welding are analyzed. Some control algorithms of...

Elucidation of Seam Tracking Based on Keyhole Characteristic during High-Power Fiber Laser Welding

Yonghua Liu, Xiangdong Gao, Deyong You
During deep penetration laser welding, a deep cavity called a keyhole is formed in a molten pool due to the intense recoil pressure of evaporation. The welding quality and stability are related to the configuration and characteristics of a keyhole. Some characteristic parameters of a keyhole can be extracted...

Vibration Resistance Structure Optimization Design on Special Vehicle of Fuel Tank

Hongwang Zhang, Nan Liu, Jinli Liu, Weiguang Shao, Tao Xie
In order to improve the vibration resistance performance of the special vehicle’s fuel tank, enhance the safety , avoid the structure occurring fatigue damage in the life period, reduce the weight of fuel tank, comprehensive consideration of the beauty of the structure and the economy of the manufacturing...

Preparation of Simvastatin Loaded TiO2 nanotube arrays and its release behavior

Haizhen Tang, Xiufeng Xiao, Yirong Chen, Rongfang Liu
TiO2 nanotube array fabricated by anodization has large specific surface area and good biocompatibility. The simvastatin (SIM), which can promote bone formation, were filled into the TiO2 nanotube by using step concentration soaking method(SCS).The morphology of TiO2 nanotube arrays were observed by...

Simulation on launching exhaust field of underwater missile during vertical hot launching

Ming Yang, HanPing Wang, ShiPing Zhao
The model on launching exhaust field of underwater missile was based on viscous non-stationary compressible phase flow theory. In this paper, a reasonable modeling approach of launching exhaust field was obtained by analyzing whether to consider the vaporization effect. The article also analyzed the...

Design and Analysis of Large-span Structure of A Sales Campaign Centre

Jixian Xu, Yongsheng Zhang
This essay has introduced design of the second seismic fortification lines of 21m single span roof layer frameworks in a real-estate center, mainly explained the realization of multi-defence system of seismic engineering in the structure from conceptual design of structures and presented the application...

Preparation, Characterization and Application of Carbon Nanotubes Wrapped Nanoflake-like SnS2 Composite

Juan Li, Xingzhang Qin, Zhanjun Yang
A novel multiwall carbon nanotubes wrapped nanoflake-like SnS2 (MWCNTs-SnS2) composite was designed by simply mixing carbon nanotubes with nanoflake-like SnS2. The fabricated MWCNTs-SnS2 composite material was characterized using scan electron microscopy and transmission electron microscopy. The MWCNTs-SnS2...

Distribution and Optical Properties of the Pulsed Plasma Thruster Plume Deposition

Rui Zhang, Daixian Zhang, Yong Li, Fan Zhang, Jianjun Wu
In order to study the characteristics of Pulsed Plasma Thruster plume contamination, the distribution and optical properties of the films deposited by Pulsed Plasma Thruster were studied. The morphology of the deposited film was analyzed by scanning electron microscopy and scanning probe microscope,...

Two thermolysis routes to ThO2 nanoparticles from thorium nitrate

Jing Li, Yan Chen, Yong Cai Zhang
Two thermolysis routes (that is, solvothermal treatment in toluene at 180 °C for 24 h and direct heating in air at 200 °C for 5 h) were proposed to prepare ThO2 nanoparticles, by using thorium nitrate (Th(NO3)4•5H2O) as the precursor. The as-prepared products were characterized by X-ray diffraction and...

Residual stress determination on U-sheet pile using stress free method

Huan Xue, Rongfeng Li, Rui Ge
The Influence of the residual stress on the entire quality of U-sheet pile is introduced. The sectioning method and full release method are used to detect the surface residual stresses on quarter and half length place of the U-sheet pile. The testing principle of stress free method, experimental equipment...

Performance analysis of the six-phase induction machine based on trapezoidal phase current waveform

Hui-kai Fu
With the characteristic which the control of the multiphase machine is more complex compared with three-phase ac machine, a novel control method is proposed in this paper, namely six-phase motor trapezoidal wave phase current control. By using the trapezoidal phase current waveform, the stator winding...

Performance analysis of Permanent Magnet Assisted reluctance synchronous machine

Hui-kai Fu
This thesis is about the dynamic control of a permanent magnet assisted reluctance synchronous machine (PMA RSM).The PMA RSM in this thesis is a 110 kW traction machine and is ideal for the use in electrical rail vehicles. For accurately analyzing the dynamic characteristics paper is of the of a permanent...