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

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316 articles

Flow Simulation Based Energy Efficient Clustering in Wireless Sensor Network

Yi Jiang
The paper introduces a flow simulation based clustering algorithm for wireless sensor network. The algorithm is fully decentralized. The proposed algorithm is inspired by simulating flow in the network. The algorithm clusters the nodes that are at distance of at most k hops from the cluster head while...

The Modified digital channelization method

Chun Hua Yang
The digital channel receiver must have the ability of processing large number of data,A improved digital channel arithmetic is proposed, This algorithm put digital down conversion before decimation and filtering operation .Moreover the algorithm is realized by using FPGA parallel process. The key design...

Capacity and Error Rate Analysis of SIMO Satellite Systems over Ka Band at Venezuelan Amazonian

Gustavo Guedez, Qiang Gao, Mar¡a Guarirapa
Satellite systems progressively operate in higher frequencies, such as the Ka bands. The signals in Ka band system are seriously affected by the environment constraint. A significant percentage of the VENESAT-1 (Venezuelan Satellite) footprint has the coverage service area over the Amazonian. Due to...

SIMO Satellite Communication Systems over Ka Band at Venezuelan Amazonian in Rain Fading Scenarios

Gustavo Guedez, Qiang Gao, Mar¡a Guarirapa
The Amazon has the world's largest tropical forest and about the half of all freshwater in the world. The construction of the wire guided communications systems is denied byinternational environment regulation because the Amazon is a worldwide protected area.Satellite communications systems represents...

Application of Improved Expert Scoring Method with Delphi Principle in CMMI DAR Process Area

Junwei Hou, Xianggu Meng
CMMI (Capability Maturity Model Integration) is the key architecture of software engineering management which divides the whole software development life cycle into twenty-two process areas. DAR (Decision Analysis and Resolution) process area is one of the key process areas, it is executed when we meet...

Calculation and optimization of OSNR based on long-distance OTN network

Yanzhi Sun, Jinsong Hu, Yuming Liu, Zhijun Tian, Huiyi Chai
With the rapid development of national power grid, large-scale electric power communication network is evolving into OTN network in order to back up the power grid management, operation and maintenance of a large number of data communication. Long-distance optical communication is the characteristic...

Analysis on Closed-loop Control System of Class F Gas Turbine

Lei Shi, Xiaomeng Chen
Gas Turbine engine is the most advanced large equipment in the world; the automatic control is a very important matter. The closed-loop is the core of automatic control, and it is also the most complex. Jing Neng Gaoantun gas power plant installed Siemens' SGT5-4000F gas turbine. As a typical model of...

Analysing the Influence of Subsurface Impurity on Laser-induced Damage Threshold of KDP Crystal

Chunyuan Jing, Xiaohong Guo, Tao Zhang, Lizi Chen
The laser-induced damage threshold (LIDT) of KDP crystal affect directly the increase of laser power. In order to research the influence of metal impurities in the subsurface of KDP crystal on LIDT, analyzed the impurities composition and relative content of two kinds of KDP crystal samples by fluorescence...

Using Artificial Bees Colony Algorithm for License Plate Recognition

Weiyu Yu, Dan Hu, Chuyi Li
In this paper, a new vehicle plate recognition method is proposed using the artificial bee colony algorithm. This method can be implemented in entrance admission, security, airport or harbor cargo control, traffic control. Artificial bee colony algorithm was first introduced by Dervis Karaboga in 2005...

Model Optimization of Air Quality with M-ELM

Jianxiong Ye, Wenzhen Zhou, Zhigang Li, Jinlan Zhou
The extreme learning machine (ELM), which was originally proposed for "generalized" single-hidden layer feedforward neural networks (SLFNs), provides efficient unified learning solutions for the applications of clustering, regression, and classification. But when the training data have been contaminated,...

Compressed Sensing to Power Quality Signal with Orthogonal Matching Pursuit Method

Hua Ouyang, Zhonglin Yang, Hui Li
Compressed sensing is a new data compression method which can recover a sparse or compressible signal from a small number of linear and non-adaptive measurements. To solve the problems of high sampling rate and massive data storage faced by traditional collection and compression methods of power quality,...

Exploring Key Technologies of Multi-Sensor Data Fusion

Li Wang, Hongxia Guo
In the mid and late 20th century, with the rapid development of computer technology, control technology, electronic technology and sensor technology, etc., multi-sensor data fusion technology emerged. Data acquired by multi-sensor data fusion technology has multiple levels and grades, which is of more...

The Influence of Odevity of Carrier Ratio on Three-level Rectifier

Pengzhan Wang, Wei Luo, Shasha Yang, Tianzhi Cao, Huawei Li
Neutral point voltage balancing is an inherent problem of three-level rectifier. This paper first analyzed the cause to the neutral point voltage deviation of the DC-side three-level rectifier, and studied the charge and discharge transient processes of the two DC-side capacitors and the harmonic characteristics...

Effect of Relative Permeability on Control Performance of Suspension System

Zhen Jia, Jie Li, Guan Chun Li
In order to study the influence of relative permeability of track material in the performance of EMS suspension control, the Single Magnetic Model is established. Then we acquire good suspension performance by designing proper inner and outer controllers. The effect of the relative permeability on suspension...

Moving Object and Shadow Detection Algorithm Using Lab Color Space

Zhiyong Ju, Xiaolei He, Chaonan Wang
Taking advantage of independence of chromaticity and brightness in Lab space, this paper transplants the idea separating the brightness distortion from the chromaticity distortion mentioned in the Color Algorithm into Lab space, redefine the brightness distortion and chromaticity distortion. Based on...

Study on the Design and Structure of mid-infrared InGaAsSb quantum well laser

Minghui You, Qixiang Sun, Shijun Li, Liping Yin, Xue Li, Jingsheng Liu
2 m InGaAsSb/AlGaAsSb quantum well laser with AlGaAsSb as barrier layer and InGaAsSb as potential well layer. The composition and strain of the material have an important influence on the energy level position and band structure of the quantum well, which affects the performance of the laser. In this...

Study on HCl system wet-etching process of GaSb-based materials

Minghui You, Qixiang Sun, Shijun Li, Liping Yin, Xue Li, Jingsheng Liu
In this paper, GaSb-based material in the near-infrared semiconductor laser has a broad application prospects. For the problems and etching solution suitable particularly critical of etching GaSb-based material. we studied on different etchant experimental analysis the HCl+HNO3(30+1)@T=5 ,37% HCl, HNO3+(0.08MHCl+CH3COOH)...

A New Method of Power Quality Detection on Limited Capacity System

Chuang Lv, Pu Xie
For the operating characteristics of limited capacity micro-grid, power quality disturbance impacting on the micro-grid is to be significantly larger than the civilian power grid, especially the transient power quality disturbances can not be ignored. By combining the advantage of wavelet transform and...

Simulation Analysis of Optimal Excitation Control for Mobile Power Station

Yu-tong Wang, Tian-zhang Shao, Zhi-feng Gu, Hui-tong Gu
Through the modeling and simulating of the synchronous generator, the mechanical and electrical properties of the input load are analyzed. Based on the linear control theory, the optimal excitation control of a mobile station is studied. By comparing the optimal excitation control with the traditional...

Influence of Motor Starting on The Operating Characteristics of Diesel Generator Sets

Guogang Wei, Shiyu Sun, Jinning Liu
In view of the serious impact on the starting process of the motor, the simulation experiment is conducted to study the influence of the diesel generator sets on steady operation.The diesel generator output voltage and frequency waveforms were analyzed by transient adjustment rate and the fluctuation...

Compressed Deep Convolution Neural Network for Face Recognition

Ying Zou, Xiaohong Liu
Deep convolution neural network (CNN) has achieved a great success on face recognition techniques. But most of CNN models tend to be much deeper, which are at the expenses of high consumption of computation and storage. So, it is hard for these deep CNNs applied to mobile equipments because of poor computational...

An Optimized algorithm for device discovery using BLE

Yan Zhang, Zheng Song, Wendong Wang, Ye Tian
There are more and more mobile smart devices with high capabilities in both computing and storage, which leading to the device cooperation in vicinity becomes popular. As the first step in the device cooperation, the device discovery process is particularly important. Because of the mobility of the devices...

Study on Hot Forming Parameters of Torsion Beam Based on Regression Analysis

Fei Xiong, Guiyong Yang, Tao Jiang, Kai Yu
It is found the hot forming quality has close related to the initial temperature of the pressing die, the blank, pressing speed, cooling rate and the friction between the part and tools. Through the design of orthogonal test and multiple regression analysis, the regression model of thinning rate and...

Revolute Joint Motion Control System Design Based on Hydraulic Oscillation Cylinder

Bei Sun, Ying Xu, Lei Hu, Yao Wang
Joint is a core component of space manipulator and the foundation of space manipulator system[1]. Hydraulic manipulator is one of the key points for developing and exploring manipulators in recent years. However, servo control of hydraulic executive components still needs further studies. In this thesis,...

Measurement and Modeling of Aqueous Solutions' Viscosity of Hydrolyzed Acrylic Fiber

Tiangui Wang, Chuang Li
The aim of the study is to determine the dependency of the viscosity of the aqueous solutions of hydrolyzed acrylic fiber on the concentration and temperature. Aqueous solutions of hydrolyzed acrylic fiber were prepared by hydrolysis of the waste fiber in water at elevated temperature. The solution viscosities...

Pyrolysis characteristics of sediment from the Dianchi Lake

Zhenfen Wu, Huilong Luo
Pyrolysis properties of Dianchi lake sediment in China at 10 /min and 20 /min were investigated by TG. Comparison to the TG and DTG curves at different heating rates, the pyrolysis reaction at 10 /min was in advance and more completely than at 20 /min, thus the process of sediment pyrolysis could be...

The Application of Image Processing in the Criminal Investigation

Weiyi Shi
Image processing technology plays an important role in fighting against crime and criminal cases. In the case investigation, the image processing technology can provide evidence for the trial and the litigation of the case, the case investigators can take this as a clue, and then detect the case. However,...

Research on the Advanced Computing Method for Supporting Large Data Quality Assessment and Improvement

He Yang, Jiangqi Chen, Xiaojia Xiang, Heng Liu, Yunpeng Li
To support the high efficient and fast data quality assessment of electrical operation, we need to make optimization of high performance computing technology on computing platform, this paper carry out in-depth research on the performance bottleneck that the data quality evaluation system faces, after...

Apparent Age Estimation with CNN

Zhiqin Zhang
Apparent age estimation from face image has become relevant to an increasing amount of applications, particularly since the rise of social platforms and social media. In this paper ,we tackle the estimation of apparent age in still face images with deep convolutional neural networks (CNN).Our convolutional...

Indoor Location Algorithm in Complex Wireless Environment

Zhangang Wang, Zhiyu Lu, Hang Lu, Yankui Zhang, Donghang Jia
Aiming at the 3-dimensional positioning problem in the indoor wireless environment, TDOA-based localization model is presented in this paper. The Two-Step Least Squares(TSLS) and unscented Kalman filter (UKF) algorithm are used to solve the target's position. In the case that the line-of-sight(LOS) or...

Design and Research of the Test Data Management and Analysis System for Space Robot

Kai-Hang Ma, Yong-Ming Gao, Lei Li, Zhi-Huan Wu
According to the characteristics of space robot, the test data are sorted and research on Hadoop-based data management technology, and further study for a variety of application needs space robots data analysis techniques, whereby the proposed management and analysis system test data framework, and from...

Multi-sensor Data Real-time Monitoring and Management System Based on Onboard UAV for Ocean Observation

Xuan Li, Yong Han, Fang-Jie Yu, Ge Chen
It is of great significance for human beings to explore and develop marine resources. Nowadays, Unmanned Aerial Vehicle (UVA) is reaching a point where it can be used in marine environment research with multi-sensors. Abundant marine data acquisition, transmission, management in real-time are preconditions...

SSK Modulation with Single Photon Avalanche Diode

Song Han, Jian Zhang, Jie Song
In this paper, a Space Keying Shift(SSK) system based on a Single Photon Avalanche Diode (SPAD) receiver is presented. SSK modulation has the advantage of faster transmission rate than OOK modulation, and the implementation complexity is not high, it will become a widely used modulation method in single...

A Feature-based Method for MBD Model Exchange among Heterogeneous CAD Systems

Weikang Xie, Gang Zhao, Yong Yu, Yaodong Wang
To solve the problem that missing feature and non-geometric information when MBD (Model Based Definition) model is exchanged among heterogeneous CAD systems, a feature-based heterogeneous MBD model exchange method is proposed considering geometric feature information, non-geometric information and the...

Modelica-based modeling and simulation of satellite On-orbit deployment and attitude control

FeiFei Chen, Gang Zhao, Yong Yu, JiangYong Wang, Peng Cao
In order to reflect the dynamic characteristics of satellite on-orbit deployment more precisely, a Modelica-based modeling and simulation of satellite on-orbit deployment and attitude control was achieved. Form Modelica standard library, world component was extended, this simulation system integrates...

Development and Application of Fiber Strain Monitoring System for Ship Structure

Sujun Yang, Huien You, Shihai Hua, Yanqing Wei
Ships are characterized by complex structure and poor operation environment. It is very important to monitor the health state of the ship structure. In the paper, one-way and three-way optical fiber sensors in ship structure monitoring are designed and produced. Related values are simulated. Related...

First-principles calculations of electronic properties of P -Si3N4 and P -Si3N4 under pressure

Xiaoqian Wang, Hui Lv, Yanhua Yin, Mei Sun
Using first-principles computations, the structural, electronic properties of P - and P -Si3N4 in the pressure ranges of 40-50 GPa were investigated systematically, and the band structures and density of states have been analyzed in detail. the results show both P - and P -Si3N4 are insulators, and there...

Application of Gray Cloud Model in Software Quality Evaluation

Yong Shao, Zhen Jia, Changshun Yan
Based on analyzing software quality, the model provided by GB / T 16260.2 was adopted as the grounds of evaluation index system, and the index weight was determined by analytic hierarchy process (AHP). In addition, take the incompleteness and randomness of information into consideration, the evaluation...

Biosurfactant applied to remediation of cadmium contaminated soil

Da Zhao, Tong Bao
This study reported the feasibility of flushing remediation of cadmium contaminated soil using bacteria fermentation solution. Batch experiments were performed to test the factors influencing remediation of cadmium contaminated soil. The effects of concentration, pH value and contact time on the removal...

Gray Prediction of Air Pollutants in Beijing Based on Improved Residual GM (1, 1) Model

Yong Shao, Yang Zhang, Changshun Yan
Based on the gray system theory, the original gray predicting model, the residual correction model and the residual model have been established for PM10, SO2 and NO2, which are the major atmospheric pollution factors in Beijing. After comparing those three models, this paper established a new improved...

Study on Axial Compression Test of Fiber Reinforced Ultra-High Strength Concrete Column Confined by High-Strength Reinforcement

Mingyang Zhang, Xin Tang, Weilun Wang
Axial compression test of 9 high-strength reinforcement confined ultra-high strength concrete with PVA fibers columns were presented. The influence of concrete strength, reinforcement spacing on the behavior of the confined concrete was investigated. The results show that the ductility of columns decrease...

Influence of process parameters on punch force evolution in deep drawing process

Wenyu Ma, Fengqin Wang, Lin Zhao, Xibang Zhang, Ziying Liu
In order to obtain a deep understanding on the influence of process parameters on punch force evolution during deep drawing of AA6111 sheet at elevated temperatures, the design of experiment (DOE) and analysis of variance (ANOVA) were employed. The process parameters analyzed in this paper are forming...

A Study on temperature field and spheroidizing annealing process in Bell-type annealing furnace

Xibang Zhang, Ziying Liu, Fengqin Wang, Lin Zhao
The convection heat transfer coefficient and equivalent radial thermal conductivity are two important parameters of the heat transfer process in bell-type annealing furnace. This paper establishes finite element model and calculates temperature field. The model treats the boundary condition based on...

Model analysis and numeric simulation of wireless communication at high speed

Chunrui Zhang
With advantages like great security and communication quality, optical communication has make good progress. When this technique is developing at staggering speed, people want to it have more high speed, which can propagate the information much quicker. We want to the speed to enhance to several Gb/s....

Simplification and Optimization of Visual Tracking Convolutional Neural Networks Parameters

Zhiyong Qin, Lixin Yu
Convolutional Neural Network (CNN), which has achieved great success in traditional computer vision tasks such as image classification, object detection, scene segmentation, etc. has also gained great success in fields of visual tracking. However, the algorithm based on CNN is both computation and memory...

Energy Optimization for a Simple Household Microgrid Based on Demand Response

Qingzhu Wan, Yalan Chen, Xin Wang
Energy management in demand side is an important way to realize demand response in smart grid, in this paper we established a household microgrid model which includes PV, battery and home appliances, and then we proposed an intelligent coordination control scheme for home energy management. For the thermostatically...

Frequency Control Method of Isolated Micro-grid Based on Thermostatically Controlled Load

Qingzhu Wan, Yuan Bian, Yalan Chen
With proportion of air conditioners increasing gradually, they can provide certain amount of frequency controlled reserve for micro-grid. To maximize using air conditioners and consider customer comfort, the frequency adjustment model is shown that the quadratic function model of trigger temperature...

Design of cantilever mechanism of endoscopic detection device

JinWei Fan, KaiKai Liu, Haohao Tao, Qi Lv
As a result of the limitation of testing environment area and testing equipment, the existing the rigid structure of the feeding device or multistage hydraulic cylinder cantilever mechanism can't meet the requirement of the stiffness. A scale is developed relatively high stiffness and high cantilever...

Research on the geometric errors identification of rotary axes on the five-axis machine tool

Jinwei Fan, Haohao Tao, Qi Lv, Kaikai Liu
Aims at AOCMT type five-axis ultra-precision CNC machine tool, the rotary axis geometric errors model is established by applying the homogeneous coordinate transformation matrix, a kind of errors measurement and identification method is put forward. It takes A axis as an example, using the function of...