Proceedings of the 2018 3rd International Workshop on Materials Engineering and Computer Sciences (IWMECS 2018)

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125 articles

Self-Positioning System and Algorithm in Wireless Sensor Networks

Ting Liu, Zhijun Shuai
Wireless Sensor Networks, a novel technology about acquiring and processing information, have been proposed for a multitude of diverse applications. The problem of self-localization, that is, determining where a given node is physically or relatively located in the networks, is a challenging one, and...

Design and Implementation of Scene Roaming System Based on VR

Saihua Xu, Xiaohong Yin, Fangsen Xie
The biggest characteristic of VR virtual roaming is that the object being roamed exists objectively, but the form of roaming is virtual in a different place. At the same time, the making of roaming object is the real data based on object. Virtual reality technology is appeared at the end of twentieth...

Research on Intelligent Agriculture Monitoring System Based on Internet of Things

Zhuang Miao
Using the combination of Zig Bee technology and 3G communication technology, different agricultural bases and related equipment are combined to form a wireless sensor network system, and then the sensor parameters of different agricultural bases are collected to control the conditions of different agricultural...

Research on the design strategy of a fast packing box

Zhiliang Xia
This design scheme is a fast packing box? including external cylinder, laminate, spring, inner tube and lock ring. The inner tube is installed inside the outer cylinder and The hook is installed in the groove of the guide slot. It has the characteristics of convenient disassembly and easy to use and...

Simulation Research of Fuzzy Control in Entrance Ramp of Freeway

Qiguo Yao, Yuxiang Su, Lili Li
A fuzzy logic approach was proposed to regulate the number of vehicles entering a freeway entrance point during rush traffic times. The basic structure of a fuzzy logic controller was analyzed and the fuzzy control algorithm was formulated. The membership functions were developed and the fuzzy logic...

The experimental research of the Polycrystalline Ni-Ti alloy grain deformation under load

Jie Han, Wenyu An, Changbin Yu, Wenguang Xie, Yan Li, Zhongjing Li, Qiang Wang
We propose and demonstrate a technique for monitoring the deformation of the Ni-Ti alloy grain and grain boundary, and analyzing the interaction effects between the grains using DSCM and SEM methods. This work demonstrates that the grain size influences on the mechanical property of the Ni-Ti alloy,...

Energy Conversion Analysis of Ti2SnC Synthesized by Ti, Sn and C Mixed Powders

Chenggong Jin
Ti2SnC ceramic powder was synthesized by mechanical alloying process. The energy conversion of Ti2SnC process was analyzed. The results show that the kinetic model of Ti2SnC is established by mechanical alloying. When the mechanical alloying Ti2SnC parameter is determined, the relationship between the...

Information Security Measures in PHP Website Design

Zhiyong Xu
As dynamic languages, PHP and ASP use wamp technology to integrate server, database and PHP, playing a significant role in optimizing website design. In website design, China is still in the preliminary stage. So improvement and reform are needed in website design and practical application. Despite advantages...

Real-time detection system for automobile car seat based on vision

Xiaoguang Li, Juan Zhu, Chao Wang
Most car seat detection method is artificial, which has low efficiency. To solve this problem, proposed a real-time detection system based on vision in this paper. Firstly, give the total block diagram of the system. Secondly, give the camera calibration method. Third, use significant value to detect...

Research on Agricultural Internet of Things Information Collection and Control System

Hongwei Zhu
In order to enhance the informatization and intelligence level of the integrated agricultural park and improve farm production efficiency and efficiency, a software and hardware structure of the agricultural information networking and back-end intelligent control system for agriculture park was designed....

Research on Preparation Technology of Silicide Thermoelectric Material and Its Thermoelectric Transport Properties

Shiyun Zhou
Thermoelectric material is a kind of carrier material which will be able to use in the conversion of new functional electrical and thermal energy. It has the advantages of light weight, long life, small size, clean, environmental protection and many other advantages, which has been popularized in the...

CT Features of Extrahepatic Growing Hepatocellular Carcinoma Located in the Portacaval Space

Yanming Ge, Yingshan Tu, Qianqian Wang, Xizhen Wang, Peng Dong
To evaluate the computed tomography (CT) features of the extrahepatic growing hepatocellular carcinoma (HCC) located in the portacaval space. Eleven cases of extrahepatic growing hepatocellular carcinoma in the portacaval space were reviewed retrospectively which were proved by clinical and laboratory...

Vertical Water's Effect on Pb Contents in Jiaozhou Bay 1987

Dongfang Yang, Haixia Li, Xiaolong Zhang, Qi Wang, Jun Ding
This paper analyzed the seasonal variation, vertical change, and horizontal distributions of Pb contents in Jiaozhou Bay, China. Results showed that Pb contents in surface waters in May, July and November in Jiaozhou Bay 1987 were 1.95-3.02 ?g L-1, 18.76-22.02 ?g L-1 and 3.98-24.64 ?g L-1, respectively,...

Sulfur Mustard Detection with Binary Metal Modification on WO3, SnO2 Semiconductor Substrate Surface

Ligong Zhang, Shi Gao, Xuefeng Wang, Shunping Zhang, Zheng Du, Danping Li, Jinxing Yang, Rong Zhang, Junxiang Chen, Wendan Li, Yong Xu, Guomin Zuo
In this paper, WO3, SnO2 semiconductor materials and their monometallic and binary metal surface modification counterparts was prepared. Resistance-type Sensors were made by MEMS technology and screen printing, whose resistance signals for mustard gas detection were collected by single-chip microcomputer...

Large Scale Multiphase Flow Numerical Simulation of Individualized Thoracic Aortic Dissection

Jinxin Zhang, Hongming Zhang, Linxiang Zhang, Jinhu Zhang
Objective To further explain the blood flow characteristics of artery dissection by numerical simulation. Methods The CT (Computed Tomography) scan results of artery dissection were transformed into three-dimensional flow field in CFD(Computational Fluid Dynamics) software to build Lagrange multiphase...

UAV Ad Hoc Network System Design

Yongjian Luo, Xugang Liu, Ruifeng Yu, Jin Meng, Ran Li
According to the special application of UAV network and its requirement of flexible and dynamic networking, this paper proposes a UAV network structure design based on ad hoc network. This structure provides a whole connected networking for UAV network, including the design of key technologies such as...

The Research and Implementation of Inserting Multi-row Records Based on Relational Database

Hongmei Luo
In the process of program development, it is often necessary to insert multi rows of explicitly specified values into one table of relational database at a time, and we hope to achieve this insertion by only one statement.But in the standard SQL statement, there is no such a SQL syntax. In this paper,...

Morse index of Steady State Bifurcation for A Class of Reaction-diffusion Equations

Yupei Zhang, Xibing He
In this paper,we compute the Morse index of the steady-state bifurcation solutions from the eigenvalue with multiplicity two of the Laplacian operator for a class of reaction-diffusion equations with Robin boundary conditions on the two-dimensional rectangular area

Finite Element Analysis of MW Permanent Magnet Synchronous Generator

Chengxin Xu
Basic theory of finite element analysis of electromagnetic field was expounded in this paper. Boundary conditions, boundary value problem and condition variety problem were included. After above work, boundary condition selection and model structure were processed. After meshing, static magnetic field...

Applications of Combination of Computer Simulation and Approximation Modeling in Improving Process Reliability of Vacuum Differential Pressure Casting

Xiaodong Wang, Kai Tang, Wenzhi Hu, Qianyi Wang
Vacuum differential pressure casting is one of the most advanced casting process where there are still serious process defects existed in large complex thin-wall castings. Combination of computer simulation and approximation modeling is applied to improve process reliability of vacuum differential pressure...

Bioinformatics Analysis of the Gene CYP83B1 in Cabbage (Brassica oleracea var. capitata)

Bo Sun, Min Jiang, Qiao Yuan, Fen Zhang, Haoru Tang
CYP83B1 is an important glucosyltransferase enzyme in glucosinolate biosynthesis. Here, the Brassica oleracea var. capitata CYP83B1 (BocCYP83B1) gene sequence was obtained from Brassica database (BRAD), and preformed for bioinformatics analysis. The BocCYP83B1 gene mapped to chromosomes 8, and contains...

Research on vehicle speed control strategy of multi - axis hydrostatic transmission

Liang Zhao, Jin Wang, Zhengwu Zhang
Aiming at the control problem of the speed of the hydrostatic transmission vehicle, the composition and working principle of the hydrostatic transmission vehicle are introduced. According to the different characteristics of the multi-axis hydraulic drive vehicle, the variable hydraulic pump control strategy...

Structural Characteristics Analysis of Hydraulic Lifting System of a Forklift

Yao Wang, Qijiu Zhang, Miao Xu, Xinji Gan, Licai Wang, Yan Bai
In this paper, the structural characteristics of lifting mechanism of LiuGong CPD30 forklift are analyzed. After detailed analysis and calculation, it can satisfy the controllability and observability discriminant matrix. The structural characteristics of the hydraulic lifting system of forklift truck...

Research on Innovative Financing System of Small and Micro Businesses Based on Big Data Rating

Xiaomeng Liu, Changxin Xu
We can make use of the internet financing platform to carry out credit rating based on big data technology to provide financing services for small and micro enterprises, which has become an important form of internet finance. This paper analyzes the advantages, theoretical basis and implementation process...

Application of Network Simulation in Evaluation of Network Performance Index

Qiqiang Luo, Xiaoqin Yin
Through the network simulation software to build a virtual network platform in the computer, to simulate the real network environment, network technology development personnel can not only for network communication, network equipment, agreement on this platform, the design and research of network application,...