Proceedings of the 2016 4th International Conference on Machinery, Materials and Computing Technology

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407 articles

Research on Pre-coding Technology Analysis of LTE Systems

Zhiyong Ren
As the demand for wireless communications become more sophisticated, the wireless communication system also received an unprecedented flourish. LTE as the evolution of 3G systems, which greatly enhance the spectrum utilization system, it is possible to obtain higher than traditional wireless communication...

Research on the Design and Implementation of Video Surveillance System Based on WiFi-Mesh Network

Weiqiang Wang
This thesis proposes a new wireless video surveillance system implementation, using Wireless Mesh Networks(WMN) as the data bearer network, using VLC video server to build the video transmission and preservation solution, using SD card to save the historical surveillance video and building an FTP server...

Analysis of Oxidation resistance of Flavonoids in Northern Shaanxi Red Jujube

Xiangqian Zhang, Min Zhang, Aili Zhao, Xiaolong He
With Shaanxi Ziziphus jujuba var. goutouzao as an experimental material, soxhlet extraction and ultrasonic extraction were adopted to extract flavonoids in Ziziphus jujuba var. goutouzao, and qualitative detection of flavonoids in extracting solution was scanned through color reaction and ultraviolet...

Vibration Noises and Acoustic Optimization Design of the Centrifugal Pump

Zhanqi Hao
In daily production and life, the centrifugal pump plays an important role, but its vibration noise has influenced humans’ mind and physical health. This paper adopts the vibration noise of the centrifugal pump as the research objective, analyzing how to reduce noises. The focus of this paper is on...

Study on optimization design of building water supply and drainage projects

Yunzhao Fan, Tianpeng Wang, Jinwei Lei, Chong Tan
With the continuous improvement of people’s living standards, there has been a higher requirement of buildings’ construction level. In order to create a favorable living space, the current construction departments should emphasize on optimization of water supply and drainage system design during...

Study and Application on Security Technology of Computer Information System

Yan Liu
In this paper, the secure policy on application of the computer information system, the secure principle, secure layer, secure service and secure architecture model of the development of computer information system are mainly studyed on this thesis. The developing situation both home and abroad about...

Key Anti-Jamming Technologies and Their Performance Comparison in Frequency Hopping Communication System

Yuan Yuan
Wireless communications have been applied to every aspect of our life with the development of modern communication technologies, which makes the problem of interference more critical. Especially for the frequency hopping (FH) systems, the application scenario of them is very complicated. Developing anti-jamming...

Study on Application of Distributed Fiber Optic Temperature Measurement System on Power Transmission Safety Testing

Minglin Liu, Chenyu Zhao, Nan Sun
Cable is in the daily production, life everywhere. In power plants, factories, laboratories usually concentrated a large number of cables for easy wiring, maintenance, and beautiful. As people grow dependent on electricity, large concentrations of cable make the probability of fire accidents also increased....

Research on forming force of flexible rolling for three-dimensional surface sheet metal parts through numerical simulation

Fengyan Lun, Wenzhi Fu, Mingzhe Li, Xintong Wang
Flexible rolling is a novel manufacturing technique for forming three-dimensional surface sheet metal parts. The working parts are two bendable rolls. The shape of each working roll can be adjustable respectively, and the gap of two rolls is controlled. The transverse curvature of the formed surface...

The research of adding bacterial cellulose to improve the strength of long-fiber paper

Jing Yang, Chuanshan Zhao, Yifei Jiang, Wenjia Han
BC (Bacterial Cellulose) is fermented by the bacteria and other microbes from wood vinegar. This paper studies using the well dispersed bacterial cellulose fibers which is modified by polypropylene with plant fibers to make paper .According to the changes of the physical properties indicators of the...

Synthesis and Application of Efficient and Environment-friendly PAE Resin

Chong Han, Chuanshan Zhao
According to the problem that harmful by-products which are low molecular weight organic chlorides in the synthesis of PAE resin is inevitably, in order to reduce the content of organic chlorine, complex fatty acid ester was used as a modifier to compound new PAE (N-PAE) resin, as such, the active amount...

Main constructive diagenesis of middle-lower Ordovician of Yubei Area in Tarim Basin

Hanting Zhao, Tailiang Fan
According to analysis of cores, rock sections, casting sections, logging data of Ordovician carbonate reservoirs in the Yubei area,reservoir rock in the study area include 4 types:mud micrite limestone,grain limestone,biological limestone and dolomitic limestone.In combination with core photos and imaging...

Research on the strength feasibility of repairing collision-damaged Cab body

Hongming Pan, Huanyun Dai
Nowadays, the high speed train develops very fast and it has irresplaceable traffic advantages. However, the collison damage of the high speed train body[1], which mainly includes the towing beam ,boundary beam and sleeper beam, is a major obstacle to the development of the high speed train, so the reserach...

The transient simulation of two-phase flow based on lattice Boltzmann method

Liang Chen, Qin Yao, LuWu He
this work used the improved Shan-Doolen model which is based on Shan-Chen model, Combined of non-equilibrium extrapolation boundary and fully developed boundary treatment, and finally established Two-phase flow model. Applying this model, we firstly simulated the separation of two phase immiscible flow...

Sun shadow positioning technology

Ben Niu
We set up a mathematical model in connection with sun shadow positioning technology and apply it to solving analytic function and parallel simulated annealing algorithm to establish the optimization Model with the objective function of the angles produced by the shadow changes and the minimum error between...

Generation of 3D Sensitivity Map for a Helical ECT Sensor in Annular Space

Wanting Zhou, Yue Jiang, Shi Liu, Jing Liu
Annular space has been applied widely in industrial processes. However, the complexity of thermal process and the variety of influential factors lead to the difficulties. In addition, the sensor installation as well as the weak detection signal due to the barrier increases the detection issues. In order...

The Research on Image Binarization Based on Automated Line-heating

Hao Li, Jianhua Yang, Wei Lu
In this paper, a thresholding algorithm combining local and global region is proposed in order to perfect the vision of line-heating robot, segment foreground objects and background accurately, eliminate environment effects. The thresholding method combines the advantages of both local and global threshold...

The general Design of Tester System Based on ARM of Fuse

Tiansuo Fan, Longtao Hu, Dongguang Zuo, Ru Chen, Fengchen Li, Bing Zhou
Fuse is the key part of detonate control, and it’s state determines the weapon whether can accord to the scheduled model of initiation to achieve the objective of the damage or not. To achieve the best effect of damage, the fuse detector are used generally to detect whether the performance of fuse...

Research on grasping forces optimization of a soft-finger dexterous hand

Peng Jia, Wei-li Li, Bo-wen Wu, Guo-chen Zhang
To contact constraints model of soft finger, replacing paired friction cones by linear paired polyhedral, so as to realize the linearization of contact constraints model. The linear constraints inequalities of grasping forces is derived, and the objective function of the smallest sum of output torque...

High-speed Real-time Spectrum Analysis System Based on FPGA and GPU Parallel Arithmetic

Jingye Chen, Ziyu Li, Lei Chen, Junying Xu
In this paper, a high-speed real-time spectrum analysis system based on GPU parallel computing was developed for the real-time requirements in the application environment of satellite communication spectrum monitoring. The system adopts high-speed ADC and high-performance FPGA as real-time signal acquainting...

An Appropriate Modulation Scheme for High Density Visible Light Communicaton System

Chenzhou Lin, Yijun Zhu, Yanyu Zhang
An appropriate modulation scheme SC-PPM is considered in this article for the high density visible light communication (VLC) system. Compared with OOK, SC-PPM is a more power efficient and reliable scheme and it can achieve the requirement for both illumination and communication. An optimization problem...

Modal Analysis of Bracket Structure in Automatic Drill-riveting System Based on ABAQUS

Cheng Li, Zhong-qi Wang, Yong-gang Kang, Yuan Yang
The vibration characteristics of bracket structure in automatic drill-riveting system have great effects on the final quality of aircraft panel. Modal analysis can be used to determine the vibration characteristics of mechanical system. After briefly expounding the basic theory of modal analysis, a reasonable...

Research on Decoding Algorithm for(n, 1, m) Convolutional Code

Yamei Zou, Hongqiao Pu, Zhiqiang Xu
This paper takes (2, 1, 5) convolutional codes as example, disscusses the decoding algorithm for (n, 1, m) convolutional codes according to the principle of the reversibility of the modulo 2 operation.We designed the decoder and the syndrome of the (2, 1, 5) convolutional codesbased on its encoder firstly;...

Analysis of Effect and Mechanism of Different Type Buffer for Reducing Pressure Pulsation

Zhenqian Zhang, Yongsheng Su
The pressure pulsation of network can be reduced effectively by using buffer,discussing the effect of the tangential inlet buffer and radial buffer with different outlet conditions. The reason that affects buffer performance can be gotten through the analysis of internal flow flied and fluid path lines...

Effect of acicular ferrite on mechanical properties of hot-rolled ultra-fine grain microalloyed steels

Xincheng Li, Xiaoli Wang, Weixing Zhu, Yongchun Tang, Tao Li, Jinbao Xu, Liang Chen
In consideration of the high tensile strength but low elongation properties of ultra-fine grain microalloyed steels prepared by deformation-induced phase transformation rolling technology, microstructural quantitative analysis was conducted. Results show that the volume ratio of acicular ferrites is...

CFD Study on Selective Catalytic Reduction of 660MW Unit

Dazhou Zhao, Sheng He, Wenguang Zheng
A three-dimensional SCR reactor model of 660MW coal fired unit was established by using FLUENT coupled detailed reaction kinetics. The effect of different ammonia injection strategies and the specific surface area of catalyst on the denitrification reaction were studied by the model. The results show...

The evaluation methods of low-carbon contribution based on the life cycle of low-carbon electricity technologies

Wei Lu, Qinggui Chen, Zhuhan Long, Ming Zeng
In response to the global climate warming and achieving economic and society sustainable development, low-carbon economy is indispensable. Electric power industry is huge carbon dioxide emitter in China, so there is a difficult task in the energy conservation and emissions reduction. The development...

Microfacies modeling method of seismic inversion constrained

Cong Huang
To enhance the interwell channel sand prediction accuracy of microfacies model, microfacies modeling based on sequential indicator stochastic approach is performed through integrated study and constrained by 3D seismic inversion and vertical fractional curve for sand body distribution and by using two-dimensional...

Analysis of hybrid immunization strategy in complex networks

Bin Liu, Shu Yan, Yumei Xue
In this paper, based on the classic SIR epidemiological model, we consider introducing hybrid immunization strategy including targeted immunization and acquaintance immunization to research on the proportion of infected nodes when the spreading of disease ends and the time steps of disease spreading....

Study on A System of systems of Life Cycle Quality Monitoring for Land force Strategic Missile System

Ke Li, Huixia Jiang, Shuyi Fan, Yan Li
Quality monitoring is a critical way to ensure quality of missiles and is valid guarantee for capability of missiles. The paper studies the constructive problem of a system of systems of life cycle quality monitoring for land force strategic missile in terms of the characteristics of missile equipment....

An Energy Efficient Virtual Machine Migration Method in Cloud

Hongtao Liang, Jianliang Xu, Min Yuan, Mingtao Liu, Xiaohong Wang
Cloud computing, as a newly emerged service oriented paradigm, is emerging as a leading solution for on-demand services. One of the challenges faced by current cloud is to decide how to migrate virtual machine to another physical machine. This paper presents an energy efficient virtual machine migration...

Incremental Wavelet Neural Network based Prediction of Network Security Situation

Xiaojian Liu
Network security situation prediction can help network administrators to make security decisions, and the current network security technology cannot predict the future network security situation. Hereby, a network security situation prediction based on incremental wavelet neural network (IWNN) was proposed,...

Variable Momentum Controlled by Equalizer Energy based CMA Blind Equalization

Jinyu Sun, Ying Xiao
To further improve the performance of CMA blind equalization, an improved algorithm with variable momentum controlled by equalizer weights energy was proposed. The momentum gradient algorithm can improve the convergence rate effectively. However the additional gradient noise would produce by momentum,...

Study of information security and protection in integrative design of power systems

Xiaohui Xu, Ruixiang Fan, Benren Pan, Jianbo Xin, Danna Wang
The information security is very important for the secure, stable, economic and superior operation of power system. In the paper, the integrative power system and its features are introduced. The main contents of the integrative information security are explained, including secrecy, integrality and effectiveness....

Predicting Noisy Data with an Improvement RBF Neural Network for Surrogate Models

Yaping Jiang, Guosong Wei, Xueyan Sun, Yueqiang Zhang
The process of noise data is a significant issue to the application of data. In this paper, we propose a method of processing noisy data based on improvement radial basis function (RBF) neural network to handle noise data. We establish surrogate models for two kinds of standard functions with noise data...

Crack extension research of FR4 substrate embedded 90°bend optical fiber under the random vibration

Wei Li, Dejian Zhou
For the reliability problem of the 90 ° bend optical fiber embedded FR4 substrate in the bad service environment especially for military, the easily failure area of this modal under environments of random vibration and characteristics of interface cracks extending are researched. Firstly, modal analysis...

The Cloud Computing Load Forecasting Algorithm Based on Kalman Filter and ANFIS

Jian Sun, Yi Zhuang
The load forecasting in the cloud computing is one of the most important technologies to ensure the maximize utilization of the system resource. Under the premise that the load is known in the next stage, the cloud computing center can assign the physical machines in advance, thereby reducing the waiting...

A Novel Method Based on RFID Rotating Antenna for Indoor Localization

Yue Zhang, Run Zhao, Qian Zhang, Dong Wang
With the rapid growth IoT (Internet of Things), indoor positioning system has attracted significant interest, especially in complex environment. UHF RFID system has the potential to estimate the accurate location of indoor objects due to the long reading range and multi-tag identification capability....

Research on Numerical Simulation of Profile in Bei 301 Block

Jing Li
By researching the development process and the status quo in Bei 301 block, this paper sets the three-dimensional geological model, fits the actual production data through using numerical simulation software, and determines the distributions of remaining oils ultimately. On this basis, this article designs...

Simulation of HVDC control and transmission lines protection based on PSCAD/EMTDC

ChaoQun Sheng
HVDC control and protection system was introduced in this paper. The control generally use fixed-current control in rectifier and fixed arc angle control in inverter. The short circuit in transmission line is one of the most common faults in HVDC, so this paper choose HVDC bus differential protection...

Solar Shadow Positioning Algorithm

Wanqiao Wang
How to confirm the photographing location and the photographing date is an important aspect of video data analysis. Solar shadow positioning technique is a method to confirm the photographing location and date through analysis of solar shadow changes of objects in videos. According to the image-forming...

Research on Personalized Information Recommendation of Library

Bo He, Hongyuan Zhang
Personalized information recommendation service of library had becoming an important research task. This paper divided library users into new users and other users. It proposed the recommendation strategy based on user segmentation. On the base of these, it designed a personalized information recommendation...

The design and implementation of one type of radar signal analyzer

Yongzhen Zhang, Xuezhi Zhang, Fei Hou, Chunyu Shao
The design of radar signal analysis was presented in this paper, adopt the method of cable collection, wireless transmission, realize the radar signal test online. established the database of test nodes, board card, Subsystem combination, the fault relationship, structure, circuit diagram, maintenance...

Analysis of the 10kV Combined Overvoltage Protector Explosion

Yadong Si, Hongling Lan, Jian Yang, Weinan Li, Jinyu Shi, Jun Jiang, Rui Zhao
The combined overvoltage protection is a new type of overvoltage protection devices. Its principle and performance are the same as conventional lightning arrester. It also has unique advantages. Phase combined over-voltage protection can limit the over-voltage between phase and earth.While it can limit...

Cadmium background pollution in Jiaozhou Bay

Dongfang Yang, Fengyou Wang, Xiuqin Yang, Ming Wang, Sixi Zhu
This paper analyzed the content and distribution of Cadmium (Cd) in surface waters in Jiaozhou Bay in 1984. Results showed that Cd contents in the study area ranged from 0.06-0.20 μg L-1, and were meeting Grade I (1.00 μg L-1) in National Sea Water Quality Standard (GB 3097-1997), indicated that this...

Research on Multifunctional Glove for Electrical Work

Yanjun Pang, Zhaoxia Wang, Xingjun Cheng, Liu Wang, Tianshu Hai, Xinyu Li, Bo Li, Chuang Wang, Yangzhuo Yue, Fengjun Chen, Min Liu
This paper introduces several common shortcomings of work gloves in electric energy measurement, and focuses on the disadvantages of the spandex gloves; it expounds the method and technique principle of multifunctional gloves for electrical work and introduces the main parameters and field application...

Research of SNMP-based network topology discovery algorithm in IOT

Minglang Yang, Chuanchang Liu
Due to the rapid development of the IOT, more and more devices in the network need to be connected to the IOT. Device management and device auto-discovery has become increasingly important. Network topology is a way to describe the logical or physical connections between network devices, and it is extremely...

The Design and Implementation of Combined System Based on Internet Resource Model

Shuzheng Luo, Chuanchang Liu
For the past few years, more and more applications and services need to interact with information from real world. Therefore, many researchers are focus on theories and techniques about the Internet of Things and more enterprises have already adopted this new-generation information technique marked with...

Research on the decision system of the ships evade bump based on the AIS

Jinqiang Tong
Automatic Identification System(AIS) is a way to transntificatifer large amount of information, overcoming barriers, resistance to weather influences, with ship shore, boat shipping information networking capacity and close global automatic identification system of the target display. Research directions...

Study on Software project management system based on DFD Editor version

Jinhai Zhang
Software process management system, the needs analysis is the basis for all work and source, is a top priority. Requirements analysis, software developers, project leaders and team members and between the software developer and software on the client side, requires adequate and convenient communication....