Proceedings of the 2015 4th National Conference on Electrical, Electronics and Computer Engineering

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305 articles

Research on Quantization Scheme in the Secret Key Extraction from Received Signal Strength

Chengzhi Yang, Ting Jiang
In order to find an effective secret key generation scheme in wireless networks, many based on received signal strength methods have been proposed. However, the secret bit rates of existing schemes are relatively low. To resolve the problem of low generation rate, a vector quantization scheme is proposed...

Optimization and Calculation of Pt-Sn Phase Diagram

Jieqiong Hu, Ming Xie, Shaoxia Sun, Jiming Zhang, Youcai Yang, Man men Liu, Song Wang, Saibei Wang
Optimization and calculation of the phase diagram of Pt-Sn binary system were presented by Pandat software.The Gibbs free energy of the pure component (Au and Pt) was described by the expression of the SGTE (Science Group Thermodata Europe) database, Using the solid solution phase thermodynamic model...

The Application Of Service-Oriented Information Sharing Program in Geographic Information System

Han Zhang, Jianhong Ma
Geospatial information with the feature of multi-source, multi-space-time, multi-semantics, multi-scale and diversity of data formats, makes geospatial information sharing a complex issue, For this reason, to resolve spatial information sharing is the key to spatial information applications and services....

Wall-Stability Analysis of a Climbing Robot

Binliang Hu, Guoliang Chen, Guangcheng Chen
A climbing robot’s moving mechanism based on permanent magnet adsorption is proposed, which has a four-wheel structure including two driving permanent magnet wheels and two universal wheels. The problems of the robot’s adsorption reliability is put a special effort to study. The force situations of robot...

Research and Implementation PaaS platform based on Docker

Xugang Yin, Yanlei Shang
With the development of Internet technology and the popularity of cloud computing technology, the organizations or companies try to build a private cloud platform. PaaS is a form of cloud computing service resources and provides application development environment. As the existing PaaS platform hosting...

Study on the Application of GIS in the Same Frequency and Phase AC Voltage Test Method

Qiang Gu, Xiaoyu Weng, Ting Yuan, Liang Wang
In order to carry out comprehensive analysis and study on the application of GIS in the same frequency and phase AC voltage withstand test method,this paper studied the same frequency and phase AC voltage withstand test of GIS, briefly described the test device and the connection principle of same frequency...

Optimization design on reliability of three-state electrical redundant system

Zhiliang Wu, Yubin Yao, Dan Wang
The methods of reliability analysis for parallel-redundant system are different from the traditional two-state system, according to multi-state reliability theory, the design of the three-state electrical parallel-redundant system was optimized, and a mathematical model of the reliable degree for the...

Comparison and Research on Insulation Monitoring Methods For Marine Power System

Wanxuan Zhu, Zhiliang Wu
Specific to the usual methods for insulation monitoring—dc superposition method, double frequency principle and zero sequence current amplitude comparison method, the work principle and applications of these methods were compared and analyzed, and respective characteristics were concluded. On this basis,...

Joint Optimization of Smart Antenna System and Wireless Mesh Network

Xie Yulong
Various network architectures are evolved into the next generation wireless system to provide better services, such as wireless mesh networks (WMNs). However, single radio node mesh operating on a single channel suffers from capacity limiting. Multiple radio nodes mesh can obviously improve the network...

Design of Self-service Car Washing Machine Control System Based on ARM

Sun Zhengmin
With the cars in our country's rapid increase, the limited quantity of traditional car washing shop has been unable to satisfy people’s needs. Responding to this problem the author designed a set of self-service car washing machine control system based on ARM, and a set of remote monitoring system based...

Hardware Implementation of Rate Control for Motion JPEG2000

Yang Shijie
This paper presents a hardware implementation of rate control system with scene change detection for constant bit rate traffic of Motion JPEG2000. The input frames are divided into groups, each group contains one key frame, and a frame which originally is not a key frame of a group is changed to a key...

A frequency offset estimation algorithms for OFDM mixed signals

Wei-cheng Xue, Changjiang Huang, Jun Ju
The integer frequency offset and the fractional frequency offset estimation algorithms in SFN are improved and used for the Composite fractional frequency offset estimation in OFDM mixed signals in this paper The simulation results show that the performance of the Composite frequency offset estimation...

The Research and Design of A New Kind of Multi-functional Laser Marking System Based on Embedded Microprocessor

Yafeng Yu, KaiJin Qiu
The paper designs a new kind of laser marking system which is based on embedded microprocessor with several functions like continuing from the breakpoint, starting from any set point, marking on the curved surface, displaying the trace in real time and so on. The new kind of laser marking system is composed...

Discussion on Electromagnetic Waves Under the Circumstances of Total Internal Reflection and Optical Tunneling

Yan Sun
In the case of total internal reflection, the electromagnetic incident waves will be reflected back to the original medium. Whereas, based on the theory of electromagnetic fields, the incident waves do not wholly go back to the original medium, but generates refracted waves in the second medium, which...

Temperature and Humidity Sensor Research Based on Monobus Technology

QingXiu Wu, GuoFang Zhang, LiLi Yan
A new monobus temperature and humidity sensor DHT11 has the advantages of small size, simple interface, high speed response, cost effective characteristics and so on. This paper briefly introduces the concept of Monobus, and expounds the basic principle and the control use of DHT11 . The many advantages...

Research on the Routing Protocol Analysis in Wireless Ad Hoc Networks

Yang Liu
Wireless MANETs with the features of flexible, high overall robustness and low system costs and it has attracted wide attention. In wireless ad hoc networks, routing protocol occupies an important position. The paper analyzes the routing protocol in wireless ad hoc network to achieve high-performance...

Research on a Remote Sensing Image Classification Algorithm Based on Decision Table

Yang Dehui, Song Yong, Zhang Kai
A remote sensing image classification algorithm based on decision table is proposed in this study. Firstly, image segmentation of remote sensing image was performed to extract feature attribute of image object. Then several samples were selected from image objects in different categories to construct...

Intelligent Information Systems and Digital Libraries

Zhu Yuqing
Digital library information systems generate large amounts of complex, numeric content. A new category of digital libraries with supporting services for such content is important to advancing library research. Intelligent services likewise are required to automate scientific workflows. Simulation environments...

Research on diagram automatic generation based panorama dispatching technologies for smart grid

Wenchong Fang, Taifeng Kang, Yonggang Li, Shouyu Liang, Ruipeng Zhang, Bin Zhang
In modern power grid, especially with the development of ultra high voltage (UHV) and AC-DC hybrid power grid, the scale and complexity of power transmission network increase a lot. System operators need to quickly grasp real-time operation situation and make decision to ensure the security and economics...

Development of FBG Tension and Tilt Sensors Applied to Ice Monitoring of Overhead Transmission Lines

DengJin Wu
Overhead icing transmission lines face great danger of stable operation. Based on the existing transmission line monitoring power, susceptible to electromagnetic interference and other shortcomings and Fiber Bragg Grating (FBG) sensor have the advantages of anti-electromagnetic interference, high sensitivity,...

Study of power network line damage identification based on image feature analysis

Hongzhao Li, Fumin Yang
This paper proposed a power network line damage identification method based on image feature analysis. By extracting and analyzing outline features, shape features and statistical characteristics of electric power network images, the classification results of all the sub images of all the to-be-matched...

Fuzzy Comprehensive Evaluation of Runway Incursion based on Fault Tree Method

Baoshun Xiong, Haolin Cui, Yihui Li
To overcome the traditional fault tree diagnosis techniques are difficult to resolve random uncertainty and complexity ambiguity. We choice the method of combine fuzzy comprehensive evaluation with fault tree analysis. First of all, we construct a runway incursion fault tree, comprehensive identification...

A new method for the diagnosis of power backbone communication network based on extension rating

Li Li, Tiantian Luo, Huiqi Shen, Runze Wu
Electric power communication network is an important part of power system, which plays a vital role in the operation of power network. This paper established an index system of electric power communication network and proposed a diagnostic method of electric power communication network system based on...

Research on Risk Assessment of Smart Grid Project

Xu Wanyu
In light of the current development of smart grid in China, this paper established the risk assessment index system, and conducted a comprehensive evaluation based on the rank correlation analysis and gray triangle clustering method. Calculation examples indicate that the risk level of our smart grid...

A Dynamic ID-based Authenticated Group Key Agreement Protocol

Jun Zheng, Cheng Yang, Jinrong Xue, Can Zhang
Through the group key agreement, all group members could negotiate a common session key which is used in later secure communication. While simple GKA cannot provide enough security to resist the adversary’s attack, and the malicious damage during the agreement makes the authenticated key agreement particularly...

The Direction-finding Stations Scheduling Algorithm Based on BPSO

Tai-chuan Sun, Jing Zhang, Xiao-min Ran, Yao-dong Li
To solve the scheduling problems of stations in cooperative localization, binary particle swarm algorithm of scheduling direction-finding stations is proposed based on Fisher information matrix(FIM).This paper makes the trace of FIM matrix as positioning accuracy measure,constructs scheduling model that...

Intelligent Building Security System Design based on Internet of Things Technology

Bo Zhang
Network security system constructs unified management and communication software under the monitor of alarm management center to make the distribution network between each subsystem and central monitoring equipment. Under the control of alarm management center and central management, achieve automation...

Fuzzy Principle Algorithm based on Mathematical Theory

Zhiliang Zhang
Fuzzy reasoning algorithm is the key content in fuzzy logic research, and is also the basic theory in fuzzy control. With the deepening of the research, currently a lot of fuzzy reasoning algorithms are proposed and applied in electrical appliances and many industrial productions. But its basic research...

Web Services Platform Architecture Machine and SOA Model Design

Hongtao Liang, Jianliang Xu, Mingtao Liu, Xiaohong Wang
Service-oriented new software system development has gradually been proposed and gets rapid development with the emergence of Web services. Service oriented architecture (SOA) makes changes in creation and development of deployment application system, and will become the effective way to solve enterprise...

Image Contour Extraction Method based on Computer Technology

Huanliang Li
Effectively apply computer technology in image contour extraction can not only automatically detect surface image defects, but can better process image contour and realize the function of extracting single pixel image edge profile with high precision. It can meet the measurement requirements based on...

The Design and Implementation of Real-Time Bus Monitoring Based on 4G Mobile Internet

Jian He, Yongtai Zhang, Mingwo Zhou, Yi Han
With the rapid growth of vehicles scale in China, the development of public transportation has become an effective way of controlling urban traffic problems. However, the continuous occurrence of public traffic accidents has caused widespread concern in China. Hence, how to efficiently monitor the security...

Discussion on the construction of disaster prevention green infrastructure network planning

Yao Feng, Lusi Zhang, Mingqi Shao, Qi Meng
This paper use the advanced experience of Japan in the area of disaster prevention green space planning and construction and, look at the status, gaps and challenges of China’s construction and planning of Green Infrastructure, present the new thinking direction about the construction of disaster prevention...

Research on strategies of safety evacuation simulation in the urban public space based on virtual simulation technology

Yao Feng, Jieying Yang, Guanghao Li, Bingmiao Zhu
In reference to domestic and international research on the theories and software of emergency evacuation, this paper aims at creating an emergency evacuation model of urban public space based on the Building Exodus, and the improved theory of Cellular Automaton (CA) was employed as the theoretical basis...

Procedure-oriented University Digital Admissions System under Big Data Environment

Yun Liu
In order to solve the current college admission work problems like workload focus, department coordination problems, and low artificial statistical efficiency, on the basis of college admissions requirements analysis, this paper proposes the use of big data to collect admission work data in each link...

Evaluation on Thermal Performance of Solar Water Heating System of High-Rise House in Jinan City

Jinglei Shi, Zhen Li, Di Li
The paper selects distributed solar water heating system of certain high-rise house in Jinan City as research object, its field performance test and energy efficiency assessment are made, obtains annual solar guarantee rate and conventional energy substitution quantity of solar water heating system of...

An Ultra-low-power Integrated RF Front-end Based on Chip Transformer for UWB system

Yi Li, Chunhua Wang, Kui Fu
In this paper, an ultra-low-power integrated RF front-end for UWB system is proposed. It contains a single-ended low noise amplifier (LNA) and a double balanced mixer. The resistive shunt feedback topology is employed to achieve a good input impedance matching in the whole UWB band. The stacked common-source...

Research on Video Object Segmentation Algorithm

Bo Guan
The video surveillance system is a more direct monitoring means, widely used in industrial production, transportation, electricity, office buildings and residential areas. Plenty of remote monitoring systems adopt the mode to collect and compress data through local end and remote monitoring center to...

Simulation of Poisson process

Xinyue Hu, Tian Lei, Huaipeng Zhang, Shuxiang Chen, Yang Xie
The paper mainly introduces the definition and characteristic numbers of Poisson process and also gives two simulation methods and operation steps on Poisson process. In this paper, we mainly introduce the idea of generating the interval. We also give an example and use Matlab to simulate the process....

An Electricity Pricing Oriented Memory Calculation Hybrid Application Mode

Haohan Hu, Chen Qi, Jinglin Guo
We discuss the key technology of smart power, analyze the technological features of big data technology and the column type database and present the basic computing architecture that fit for OLAP and OLTP hybrid mode. We provide an architecture solution based on the x86 server and open source components...

Research on Case Library Construction of Energy Loss in Country Distribution Networks with Grey Relational Analysis

Ze Yuan, Xuefei Zhu, Jianhua Yang, Weizhou Wang
Some factors affect the energy loss in country distribution networks, including the load density, the load distribution, the grid structure and the operating condition of the distribution networks. As a result, the difference and the relation among these loss effect factors are considered, and the typical...

Automatic Facial Feature Points Extraction and Expression Recognition Based on Video Database

Duo Feng, Shun Nishide, Fuji Ren
In this paper, we propose a facial expression recognition method using Support Vector Machine on mapped coordinate sequence features. The proposed system is almost fully automatic, in which landmark initialization is based on general knowledge with edge information, and missing information compensation...

The Study Research on Indoor Positioning Technique

Huan Zuo, Na Zhang, Jian Xu, Juan juan Shan, Jian Jiao
There has no one type of indoor positioning technique which can work in all scenarios. Because of the limitations of technical and the different concept of design, the existing technique of indoor positioning only applies to a particular scene. In this paper, the algorithms of indoor positioning algorithms...

Landslide susceptibility evaluation based on GIS and information value model

Yumin Chen, Qianqian Ba, Qianjiao Wu, Xiangfei Li
The western region of Chongqing seriously suffers from landslides. This paper evaluate the landslide hazard using GIS (Geographic Information System) technology and information value model and selecting seven influential factors including slope, aspect, elevation, rain, river, road and geological structure....

Improving Head Orientation Prediction with Electromyography Signals in a Virtual Reality Flight Simulator

Dongsu Wu, Peng Li, Lin Wang, Lihao Liu, Hongbin Gu
As the control input of the virtual reality flight simulator, precise head tracking with no time-delay is essential for user immersion and training effect. We present the results of applying a modified Kalman filter to improve head orientation prediction. A piecewise constant acceleration approach with...

A Novel Routing Algorithm for Content-based Publish/Subscribe Systems

Shaohui Guo
Publish/Subscribe communication model has the characteristics of asynchronous , multipoint communication ,it can makes the participants of communication decoupled in space and time and control flow completely , and can meet the needs of loose communication that the large distributed system asks effectively....

Performance comprehensive assessment method for intelligent transportation system of Shandong Province

Changying Chen, Xiuhong Yang, Qi Feng
Intelligent transportation system (ITS) is an effective method for solving existing traffic jam, traffic rules violation reduction and traffic low efficiency. We introduce the development of Shandong ITS construction in the latest three years, based on which we present a performance comprehensive assessment...

Research on Crowd Behavior Based on the Velocity Field

Fang Yuan, Ke Ma, Jia-hong Liang, Yong-Jing Chao
Data-driven modeling method has become an ideal research method in crowd behavior simulation fields. The basic idea of data-driven modeling method is that velocity field generated by the crowd behavior characteristic information. Because of the video data acquisition, the velocity field has its limitation,...

The Analysis of the Thickness-predictive Model Based on the SVM

Xiu-ming Zhao, Yan Wang, Zhimin Bi
This paper presents a method which improves the thickness of the prediction model. At the same time, it builds up a SVM prediction model based on MATLAB simulation experiment. By comparing the simulation curves of the mechanism model and SVM regression prediction, it apparently can be seen that thickness-output...

Analyses of PHP Dynamic Website Development Technology in the Era of Internet +

Yan-xia Wu, Man-li Jiang
In the development of network dynamic website, PHP technology is comparatively more safe and convenient. In application, it is widely applied to update the stability of dynamic information. Through effective application operation, it can ensure effective information embedding, so as to realize the safety...

The Design of Electrical Controlling Core for The Chinese Medicine Steam Heat Treatment Device

Mu-yuan Jiang, Yu-duo Wang
As our material life level unceasing enhancement, people's health consciousness and Care awareness has greatly improved compared with the original. At the same time with the aging of the population of China, the health situation and health awareness of the elderly is also deeply concerned by the society....