Proceedings of the 3rd International Conference on Material, Mechanical and Manufacturing Engineering

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440 articles

Green building design

Xiao Cheng, Li. Jun Dou
Green building design is different from the traditional architectural design, building not only for science, space utilization, architectural form, building structure to be considered, but from an environmental and energy point of view, the use of ecological, environmental science and energy disciplines...

Report on dwellings of Qing Dynasty in Poli village, Zhanbei, Xiangcheng county in Xuchang of Henan, China

Hongguang Li, Yuqing Liu, Yufeng Liu
Song-family folk residence at Xiangcheng County in Henan, China, applied composite bricklaying technology of the red stone and brick, having formed its special style. The building group has a considerable scale, and is well preserved. In the paper, we describe the characteristics and layout of them.We...

A New Updated Strategy Shuffled Frog Leaping Algorithm based on Gravitation Search Algorithm

Yuhong Sun, Wei Liu, Yueshan Xie, Wuji He, Hao Chen
In dealing with the problem that basic SFLA neglect the information exchange between individuals and sub-population in searching optimal solution, this paper proposes a new improved SFLA based on update rule of the Gravitation Search Algorithm. Based on the ideal from gravitation algorithm, the new SFLA...

Temperature Field Simulation and Test of Laser Micro-drilling

Libin Guo, Yunfei Duan, Meng Guo, Hai Cui, Fenglong Yao, Ting Zhang
Temperature field analysis of laser micro-drilling is a nonlinear transient thermal conduction problem with phase changing. In this paper, first the temperature field is simulated with ANSYS finite element analysis software, thus obtaining a three-dimensional temperature field distribution. By analyzing...

Evaluation Reference and Error Function Unification for Shape Error

Xianping Tu, Xianqing Lei
According to definitions, geometric characteristics and corresponding error evaluation functions of straightness error, flatness error, roundness error, cylindricity error and sphericity error, the concept of evaluation reference of form error is put forward by analyzing the minimum zone evaluation method...

Numerical Simulation of Water Entry Impact of Torpedo Based on FE-SPH Method

Cheng Wei Pan, Qiao Gao Huang
The water entry of torpedo based on FE-SPH coupling method was studied. Firstly, the model of water entry of high-speed torpedo is established. In the case of grid structure, the numerical simulations verify the effectiveness of the model by comparing with the experimental results. Then the impact forces...

Research on the Factory Automation Software Based on the SEMI Standard

Chenxi Wang, Mingzhe Liu, Aidong Xu, Ni Jin
Factory automation (FA) system software is a bridge to realize information exchange between processing equipment of semiconductor equipment and factory host. It receives the control instruction sent by a host, and sends the control instruction to the manufacturing equipment after internal analysis and...

Application of RFID technology in the vehicle alarm system

Jiangzhou Zhang, Shuai Wang, Ning Gao
Vehicle anti-theft alarm system using RFID technology in the region of the vehicle for security management and establish a vehicle intelligent anti-theft alarm and management platform, the vehicle to achieve the automatic import and export with owner identification, vehicle positioning, statistical statements,...

Environment monitoring sensor system design based on aircraft

Hong Zhang, Yalin Li
In order to do real-time monitoring disaster prediction and life detection of flammable and explosive, high risk and highly pressure goods in the factory etc. Combination wireless sensor network node with temperature, humidity ,combustible gas concentration sensor ,using four rotor aircraft as a carrier...

Cost Analysis of B+-Tree and CSB+-Tree in Main Memory Database

Lan Wang, Fengdong Sun
Index is indispensable in database system to speeding up data access. Commonly used indexes in main memory databases are B+-Tree, T-Tree and their variants. Cost model of main memory database are more complex than disk-oriental database, and relatively little work has been done on this area. This paper...

Design of Modern Home Core Control System Based on Intelligent Lock

Wei Zeng, Yushan Li, Yini Zhang, Shu Ran, Qiang Dou
This paper introduces a new smart home system with low-power, scalability and highly security. The system takes the relatively high performance STM32 chip as the core of data processing, and integrates high-precision resistive touch screen, ZigBee wireless sensor control network, GPRS remote data transmission...

Realization of SVPWM Arithmetic Simulation Based on MATLAB

Yan She
The paper introduces the basic principle of voltage space vector pulse wide modulation (SVPWM), presents the detailed method of realizing SVPWM under MATLAB/SIMULINK environment, and finally gives the experimental simulation results.

The Design of a Suit of Frequency-Variable Controlled Equipment Based on DSP

Yan She
Due to the vital function of frequency-variable equipment in the energy-saving technology, the paper develops a suit of small power frequency -variable controlled equipment based on digital signal processor (DSP) TMS320LF2407 of American TI company. It designs holistic project of the equipment, researches...

Fabrication of a composite catalytic material for efficient removal of chroma, ammonia nitrogen and phosphorus

Xiaojia Ling, Jianzhong Zhu, Dongliang Ji, Ying Ding, Minxia He
The problems like eutrophication and high chroma of surface water has aroused the attention of lots of people. Nowadays, the study on the treatment of chroma, ammonia nitrogen and phosphorus is mature. But, these technologies are always single and independent. In this study, we synthetize a material...

Temperature characteristics of 5KW air cooled proton exchange membrane fuel cell

Shimei Sun, Xinyu Zhang, Lei Feng
The thesis studies the temperature characteristics of 5kW air natural convectional type proton exchange membrane fuel cell. The three-dimensional mathematical model of the proton exchange membrane fuel cell system is established. Using COMSOL software multiphysics simulation modeling, from the aspect...

Fabrication of stainless steel PEMFC bipolar plate by soft punch stamping

Hanxia Ruan, Tao Chen
Different from traditional forming process, sheet soft punch process uses only a rigid die and the other tool set is a flexible medium, such as natural or synthetic rubbers. Soft punch stamping process for flow channel in stainless steel bipolar plates of the proton exchange membrane fuel cell (PEMFC)...

Research on the power dispatching and trading mechanism oriented to low-carbon economy

Rui Ge, Miao Li, Qiangming Zhou, Xu Cheng, Dunnan Liu, Bin Cao, Lizheng Shao
In the era of low-carbon economy, the traditional electric power industry will be confronted with tremendous changes on its external environment and internal developing model. The electric power industry should also pay closer attention to low-carbon, energy–saving as well as the emission of the CO2,...

Prediction of weld shape for fiber laser welding based on hybrid heat source model

Y. Liu, P. Jiang, Y.W. Ai, C. Yue
The shape of welded joints directly affects the quality and stability of joints, so the weld shape prediction has great significance and engineering value to for process parameters selection. A mathematical model of fiber laser welding temperature field simulation is proposed for weld shape prediction...

Network Security Classification Assessment Based on Fuzzy Mathematics

Jiaqi Li, Ning You, Jianyi Liu, Ru Zhang
Because of the complexity and uncertainty of network security, the static and single direction of network security protection has been unable to adapt to the changing network environment. Through scientific results of other researchers, we proposed a push-pull combination and multi index of fuzzy comprehensive...

Mobile Sensor Networks Based on Several Algorithms

Li Zhang
In this paper, we propose several algorithm for mobile sensor networks. Such that distributed flocking algorithm, node dispatch algorithm, node localization algorithm, aggregation algorithm etc.The distributed flocking algorithm can attain a more uniform deployment of sensors. the node dispatch algorithm...

The Key Componets Design and Research of the Projectile System of Marine Pipeline Concrete Weight Coating Production Line

Shuang Jing, Zhiqiang Huang, Xu Luo, Kun Zhang
Due to the effect of the marine environment, the marine pipelines would drift away because of the water buoyancy when the pipeline laying and operation, as well as suffer the damage from the other external factors. Therefore, we need to coat a concrete layer on the anticorrosive pipe’s surface with a...

A novel design of intelligent tracking maze car

Fuban Qin, Yixian Chen, Haiyang Wang
This paper discusses a control system for intelligent tracking. It takes STC89C52 as control core, the infrared tube ST118 for road information acquisition sensor, and will collect back the information analysis and processing, output the corresponding duty cycle of the PWM wave as a motor drive signal,...

Study on the ultimate strength of river-to-sea transport container ship

Diyi Chen, Wei Wang, Hao Zhang
In this paper, the study takes 521TEU Open Container Ship for example to research ultimate strength of river-to-sea transport container ship, and uses MSC / PATRAN and ABAQUS finite element software to simulate the container ship, and then gets the ship's structure ultimate strength. Further study on...

Experimental Study of Effects of nozzle Hole Shape on Cavitating Flow

Zhengyang Zhang, Zhixia He, Xicheng Tao, Genmiao Guo, Yu Jin
In this paper, the influence of nozzle hole shape on internal flow and near-nozzle spray behavior was studied. A flow visualization experimental system with a transparent scaled-up injector was setup. Three nozzles with the same hole outlet diameter but different hole shapes were used. Detailed comparisons...

Effect of Particle Size on the Microstructure of Cu60Cr40 Alloy by Microwave Sintering

Dongdong Liu, Bo Wang, Zhongqi Dong, Suhua Yin, Huilan Sun
Effect of the particle size of Cu, Cr on the microstructure of Cu60Cr40 alloys was investigated using the method of mechanical alloying and microwave sintering. The particle size of Cu, Cr was analysised by the BT-9300S type laser particle size distribution analyzer, and Cu60Cr40 alloys has been investigated...

Corrosion and Protection of the Condenser Seawater Cooling System

Qiang Fu, Lin Tian, Rui Wang, Yupei Ning, Yue Yang, Xuejun Xie
Composition and main material of seawater cooling systems of power units are stated briefly. Some corrosion and protection examples of seawater cooling systems are summaried. In order to protect overall seawater cooling system, the suitable material should be chosen firstly, and surface treatment such...

Simulation Study for Energy Harvesting Using Polyvinylidene Fluoride flag in the Flow

Fengchi Lv, Rujun Song, Xingxu Zhang, Xiaobiao Shan, Tao Xie
In this paper, Dynamic response and energy harvesting potential of single piezoelectric flag in the uniform flow is analyzed through 2D simulation method. A piezoelectric material named Polyvinylidene Fluoride (PVDF) is used to manufacture the piezoelectric flag. Special example is introduced to analyze...

Numerical Analysis of Composite Bolted Joints using the Arlequin Method

Binqi Chen, Mingbo Tong, Yiding Wang, Fangli Wang
This paper aims to implement the Arlequin method to simulate the bearing failure in composite bolted joints. Arlequin coupling elements are established by introducing Lagrange multipliers to couple the 3D coarse elements and 3D refined elements. Refined elements are meshed one element each ply the same...

Research and Design of Automobile’s Automatic Wipers Based on FPGA

Dayu Zheng, Shuo Chen, Haifeng Yu, Qiu-Yan Chen, Lei Liu, Xiang Li, Jie Li
Auto-cascade refrigeration system using multiple non-azeotropic refrigerants, taking advantage of the difference between the evaporation temperature of high and low boiling point components, applying the single-stage compression, by the way of internal cascade to obtain a larger working temperature range,...

Anti-hepatocarcinoma effects of chrysin loaded solid lipid nanoparticle against H22 tumor bearing mice

Zhiping Wang, Hua Fan, Yan Li, Yifei Wang
Hepatocarcinoma, a malignant cancer, threaten human life badly. It is a current issue to seek the effective natural remedy from plant to treat cancer due to the resistance of the advanced hepatocarcinoma to chemotherapy. Chrysin (Chr), a major symbol ingredient in Chinese Propolis, has a wide range of...

Stability Analysis of a Worm Propagation Model with Time Delay and Quarantine

Tao Li, Yuanmei Wang, Xiongding Liu, Xisheng Zhan
There has a constant barrage of worms over the internet in recent years. In order to effectively prevent worm spreading, researchers are trying to understand the behavior of the worm propagation with the aid of epidemiological models. In this paper a worm propagation model with time delay and quarantine...

A Sensor Parameter Calibration Method of Tire Pressure Monitor System Based on Linear Regression Technology

Meiling Li, Xiaopeng Ji, Hao Liu, Zhiqiang Wei
The regular sensors that are used for TPMS (Tire Pressure Monitor System) are some inaccuracies for collecting parameters. Thus, a new error correction method is proposed to calibrate tire pressure values based on linear regression technology. And based on the way a friendly interactive TPMS is achieved....

Design and Application of the Grab Operation Test System

Hao Zhou, Xinming Zhou
This paper introduces a grab operation test system of a gantry crane and apply this system to compare the working performance of the new hollowed grab bucket with the traditional grab bucket. By using the data acquisition card (DAQ card), the test system collects the data of torque limiter and current...

A physics-based electro-thermal model for FS IGBT

Yu Cheng, Guicui Fu
A physics-based electro-thermal model implemented in the Matlab/Simulink is introduced for FS (field stop) IGBT (Insulated Gate Bipolar Transistor) in this paper. The model consists of Fourier-based FS IGBT model and equivalent RC thermal network model. The static testing of a commercial IGBT is performed...

Research on Image Processing Based Component Localization Techniques

Jiawen Liu, Yixin Su
Affected by influence factors such as physical lighting environment or joining structures of the workpieces, etc., the positioning of workpieces by image processing may have huge deviation and are even not the location of the final target workpiece. This article realizes objective workpieces positioning...

Utilizing RFID Technology in Chinese Power Grid Logistics Management

Rui Liu, Shiyuan Lin, Bryan Hubbard
Radio Frequency Identification (RFID) is an advanced technology, which can be applied to automatic data identification, acquisition and distribution. When utilized in power grid logistics management, this technology will assist to improve the logistics management efficiency. However, RFID hasn’t been...

PCB Board Design of Switching Power Supply with High Power Factor in Communication Equipment

Xi Feng, Yuxuan Sun
In the design of switching power supplies of high power factor in communication devices, high-quality PCB board design is the most significant aspect in solution to electromagnetic compatibility and reliability of the entire system[1]. The article introduces the principles and methods of PCB board design...

Analysis the dynamic characteristics of two-phase flow based on the technology of acoustic emission

Lide Fang, Zitong Wen, Shitao Zhang, Mingming Li, Dan Li, Yao Zhang
This paper propose a method to study the dynamic characteristics of two-phase flow though the signals which collected from acoustic emission. With the digital processing to extract the feature of time domain and wavelet energy to analysis. the characteristic of flow. At last, get the relationship of...

Study on Electrodeposition Process of Molybdenum Doped Vanadium Oxide Electrochromism Films

Kun Wang, Ai Ping Jin, Jun Jun Peng
Molybdenum doped vanadium oxide (Mo doped V2O5) xerogel films are prepared by cathodic electrodeposition on indium tin oxide substrate from Mo doped V2O5 sol. As an anodic and cathodic coloration electrochromic material, the electrodeposited Mo doped V2O5 film presents multi-electrochromic behavior (orange–yellow–green–blue)...

Numerical Simulation into Agglomeration Process of Inhalable Particle in Double Gas-Jets

Tingting Qin, Deshuai Sun, Yali Liu, Long Fang
Inhalable particles from coal-fired plant were an important atmosphere pollutants. The removal technology has been investigated widely. A computational fluid dynamics model, coupled with population balance model (CFD-PBM), could be used to predict the particles agglomeration in turbulent flow. The calculation...

The curing kinetic analysis of epoxy base on FT-IR

Ying Fu, Deshuai Sun, Xin Liu, Xingjie An, Xiaodong Zhang
The curing processes of epoxy resin cured with curing agents containing aromatic ring were analyzed quantitatively with FT-IR. The internal standard and baseline correction were used to decrease the analysis error. Due to the existence of aromatic ring in curing agent, the effects of curing agent dosage...

An analytical solution to the dynamic cracks in finite-width single-edge cracked strips

Lu Guan
Using the method of complex analysis and through constructing appropriate conformal mapping, the paper has analyzed the plane elasticity problem of dynamic cracks in finite-width single-edged cracked strips, and provided an analytical solution to the crack-tip stress intensity factor. In addition, when...

Study on Ultrasonic-Microwave Synergistic Extraction Process of Tengjiao(Zanthoxylum schinifolium) Oil

Dong Li, Jie Zou, Yue Yuan, Jianjun Guo, Wen Xu, Qin Yuan, Longling Chen
The ultrasonic-microwave synergistic extraction process parameter of Tengjiao (Zanthoxylum schinifolium) oil, such as time, temperature, ratio of solid to liquid, microwave power and ultrasonic power, have been studied by orthogonal experiments. The results indicate that, using colza oil as the extraction...

The drag reduction effects of a non-Newtonian fluid (CMC aqueous solution) in a sinusoidal wavy-walled tube at moderate Reynolds numbers for steady flow

Yongning Bian, Li Yu, Jing Ren
The drag reduction effects of a non-Newtonian fluid (CMC aqueous solution with 50-1000wppm) in a sinusoidal wavy-walled tube were investigated experimentally in the Reynolds numbers range from 25 to 360. Based on the pressure drop method, drag reduction was measured and the maximum drag reduction achieved...

Catalytic activity of metal acetate in transesterification of diphenyl carbonate and 1,4-butyldiol

Liping Wang, Shuihua Zhang, Xiaolin Xu
Synthesis of polycarbonate diols from diphenyl carbonate and 1,4-butyl diol has been demonstrated in the presence of metal acetate catalysts. Alkali metal acetate and alkaline earth metal acetate catalysts showed much higher catalytic activity, of them, lithium acetate was the most active. And the catalytic...

Determination of acrylamide in roasted coffee by UPLC-MS/MS

Shaodong Zeng, Tongyu Xu, Mingyue Wang, Chunliang Yang
A method for the determination of acrylamide in roasted coffee by UPLC-MS/MS was established. Acrylamide was extracted with water, and clean up on a HLB and MCX SPE cartridge, separated on a C18 column using acetonitrile-0.1% formic acid as mobile phase, and then detected under multiple reaction monitoring...

Synthesis and characterization of carbon aerogels with acidizing process

Shasha Wang, Meifang Yan, Haihua Li, Lihui Zhang, Zhenfa Liu
Phloroglucinol–resorcinol–formaldehyde (PRF) carbon aerogels were synthesized using Na2CO3 as the catalyst. Acidizing process was introduced to the sol–gel reactions system. The results show that the acidizing process of trifluoroacetic acid acetone solution can decrease the shrinkage factor of carbon...

Structure-antimicrobial activity relationship and action mechanism of dimeric quaternary ammonium amphiphiles

Xiao Fang Zhao, Ya Hong Li, Hao Yuan
The antibacterial activity of the five dimeric quaternary ammonium amphiphiles against Escherichia coli were evaluated by determining the minimum inhibitory concentration (MIC) and compared with one monomeric quaternary ammonium amphiphile. The antibacterial activity of dimeric amphiphiles is superior...

Study on Tensile Properties of Weft Knitted Float Stitch Fabric Reinforced Composites

Zhigang Qin, Yanmao Xia
Weft knitted fabrics and their reinforced composites have good extensibility, high production efficiency, good formability, impact resistance and low production costs.The two kinds of weft knitted float stitch fabrics are made of glass continuous filament yarns, and were knitted on computerized flat...

Study on Preparation and Property of Ni-Co-P Coatings of AZ31B Magnesium Alloy

Xianguang Zeng, Xingwen Zheng, Hong Luo, Xiuzhou Lin, Xiaolang Jiang
AZ31B was used as the basic material in electroless Plating of Ni-Co-P, The optimium formula and process conditions were obtained by using the orthogonal experiment methods. XRD, SEM and EDS were used to characterize phase structure,compositon and morphology of Ni-Co-P coating. The morphology,corrosion...