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Proceedings Article

Opinion Text Features Finding and Evaluation Algorithm Based on Rough Set

Hongxin Wan, Yun Peng
Follow the development of Internet, more and more opinion texts are written on social media web by people, and it is very difficult to find the features in these texts because of the texts scale. We propose an algorithm to find features from key words by words reduction method, which considers the correlation...
Proceedings Article

Mini-batch Quasi-Newton optimization for Large Scale Linear Support Vector Regression

Xin Xie, Chao Chen, Zhijian Chen
Linear support vector regression (SVR) is a popular machine learning algorithm. However, as the amount of data increases, the learning procedure of SVR becomes time consuming. In this paper, we propose a mini-batch quasi-Newton optimization algorithm to speed up the training process of linear SVR. The...
Proceedings Article

Research on Earning Warning of Railway Freight Based on Support Vector Regression (SVR)

Lingyan Cheng, Shiwei He, Weichuan Yin
The traditional railway freight early warning adopted independent indicator thresholds discrimination. But it would lead to inaccurate results warnings, it may alarms when abnormal events occur instead of early warning. This paper proposes a railway freight early warning model, which apply support vector...
Proceedings Article

Dis-Dyn Crawler:A Distributed Crawler for Dynamic Web Page

Jianfu Cai, Hua Zhang
Nowadays, it has became a widespread approach for achieving rich information in modern web applications using AJAX ,which cause two serious problems for web crawler. One is the incomplete information getting from web page due to the inability to parse dynamic web page. Another is the efficiency of the...
Proceedings Article

Analysis of Blended-mode DoS Attack

Xin Yang Ou, Hua Zhang
Most techniques of DoS attack are single-model, which have the disadvantages of low attack efficiency and weak adaptability. This paper presents a blended-mode DoS attack mode and we focus on the analysis of the efficiency of this mode. In this mode, we combine different DoS attack modes to attack the...
Proceedings Article

The Design of IP Core for Configurable LCD Controller of MIPI Interface Based on NIOS II

Wei Dong Wang, Jing Wang
With the LCD controller of MIPI interface widely used in portable embedded systems, this paper combines MIPI technology and Altera's NIOS II soft core processor and completes the design of IP core for the LCD controller of MIPI interface in FPGA. The IP core can be implemented image display with different...
Proceedings Article

Cloud Computing Real-time Task Scheduling Optimization Based on Genetic Algorithm and the Perception of Resources

Jian Dong, Su-Juan Qin
Current real-time task scheduling algorithm only focus on the user tasks’ real-time demand, and these algorithms are not flexible enough to adapt for real-time change in heterogeneous systems. In this paper, by means of the characteristics of global optimization searching of genetic algorithm, from the...
Proceedings Article

Analysis On the Ultra-low Power Integrated Circuit Technology

Meidong Lin, Zhiping Wen, Lei Chen
The technology has been integrated into the nanometer scale, the challenges posed by the increasingly obvious power, has gradually become a major problem restricting the development of integrated circuits, as well as the preparation of the core issues and design of integrated circuits exist. Low-power...
Proceedings Article

Effect of shot blasting on Aerial Aluminum Conductor corrosion behavior

Kai Guo, Xiaoming Wang, Zhiling Yu, Xingeng Li, Zengwu Yue, Min Fu, Xuegang Wang, Fengjie Yan, Qiang Luo
Aerial aluminum conductor (ACSR) as the primary overhead lines products, has been running in the field for a long time. The inevitable corrosion will be affected by heavy pollution environment. Salt spray is acknowledged as the natural environment in most demanding of corrosion, which can make the wire...
Proceedings Article

A Rapid Weak Signal Detection Approach in Resonant Pressure Sensors

Yanqin Zhang, Weiwei Xing, Chenxiao Zhang
In this paper, a rapid detection method for weak signal detection is proposed in resonant pressure sensors. The method is based on cross-correlation with a dedicated phase sensitive detector (PSD) and an improved integrator. The PSD is the sensitive resistor which is an ideal analog multiplier based...
Proceedings Article

The allocation of taxi resources in the “Internet +” Era

Yang Liu
First, each company's taxi subsidy scheme is mainly to improve fuel costs when oil prices rise subsidies, paid holidays, extreme weather subsidies. However, these subsidies with respect to the money and high fuel costs, but inadequate. In heavy traffic roads, peak demand periods, there are still many...
Proceedings Article

Modeling and Simulation of Segmented Primary Linear Induction Motor

Ying Jiang, Jingbo Shi
The significance is increasing efficiency and saving energy for segmenting the long primary linear induction motor (LIM) into blocks. As the research object, a high order and non-linear model for single segment primary is built by using the finite element method (FEM), and the equations of inductance...
Proceedings Article

Face recognition using data driven local appearance features

Xin Xie, Chao Chen, Zhijian Chen
A novel data driven face descriptor based on point-to-subspace metric is proposed for subspace classifiers. Unlike conventional feature descriptors which are carefully designed by hand, the newly proposed method uses supervised learning to derive more robust and more discriminative descriptors. During...
Proceedings Article

The Application of the Context-Aware Access Control Model

Chao Zhang, Zhengping Jin
Traditional access control model in building safety regulation is not flexible enough in some scenarios, especially in emergency events, which may lead to the alarm events not promptly treated. In order to solve this problem, we design a context-aware access control model which uses RFID technology to...
Proceedings Article

Application of maximum likelihood classification Based on minimal risk in crop interpretation

Yubin Song, Xiufeng Yang, Yancang Wang, Zihui Zhao, Xuhong Ren, Longfang Duan
In crop interpretation by remote sensing, Gray distribution of crop is overlapped in some intervals. The non-target crops fall into the target crop, which would greatly increase the workload in post classification. To reduce these classification errors, and improve accuracy of clarification, maximum...
Proceedings Article

Adaptive Scheduling Based CPU/IO in Storm

Xinli Zhang
Storm is a real-time streaming of Big data processing field tools. But the task of topology will even divided to the executors in worker node,which as default scheduler. It neither consider internal solt transmission delay time, nor consider transmission delay between nodes, but does not consider the...
Proceedings Article

Online Traffic Congestion Prediction Based on Random Forest

Xiao Han, Yijie Shi
In recent years, distinction and prediction of urban traffic congestion has become an important part of Intelligent Transportation System (ITS), hence attracting more and more attentions. Road congestion can be predicted by analyzing traffic flow data collected by various data acquisition equipment primarily....
Proceedings Article

An Android Malware Detection Method Based on Feature Codes

Yiran Li, Zhengping Jin
The Linux-based android operation system is now exposed to high risks of security since the malware of smart phone explodes. For the purpose of effectively detecting the malware on the android platform, an android malware detection method based on feature codes is described in this paper. By using the...
Proceedings Article

An Improved Graph-based Recommender System for Finding Novel Recommendations among Relevant Items

Ranran Liu, Zhengping Jin
Recommender system has been extensively studied to provide the most relevant data to users in this era of information explosion. Among all kinds of recommendation algorithms, collaborative filtering (CF) algorithm is one of the most famous ones because of its high accuracy and simple implementation....
Proceedings Article

Modeling and Simulation of Large Synchronous Generator Excitation System with PSASP

Qiao Chen, Li Wan, Kunpeng Zhou, Kai Ding, Jun He, Yuchuan Hu
This article analyzes the different type of large synchronous generator excitation system and discussed the adaptability of the excitation system model of PSASP. A self-excitation model and a three machine excitation model is modeled and simulated, which proves the accuracy of PSASP model.
Proceedings Article

The Research of Wi-Fi Indoor Positioning Algorithm based on Position Fingerprint

Yujie Liu, Meng Wu
To improve the positioning accuracy and robustness of indoor positioning technology, a fingerprint positioning method is proposed based on the Kalman filter and the probability weighted Bayes algorithm. Firstly, the optimal estimation of signal strength is calculated using the prediction and correction...
Proceedings Article

Aqueous solution polymerization of acrylamide:a pilot-scale study

Haidi Cai, Fangyou Meng, Changhong Li, Feng Zhao
The polymerization of acrylamide was initiated by complex redox system in aqueous solution.Meanwhile, according to the best experimental craft,we conducted a pilot-scale polymerization of acrylamide.We studied the effects of different pilot experiment intrinsic viscosity of the polymer, dissolution time,...
Proceedings Article

Synthesis and Study of ternary copolymerized cationic polyacrylamide

Haidi Cai, Fangyou Meng, Changhong Li, Feng Zhao
The ternary cation flocculant P(AM-DMDAAC-DMC) was synthesized by aqueous solution polymerization with raw materials of acrylamide(AM),and dimethyl diallyl ammonium chloride(DMDAAC) and methacryloyloxyethyltrimethyl ammonium chloride(DMC) with the complex redox as initiator.Effects of cationic mononer...
Proceedings Article

Evaluation Technology for Wind Power Access in Regional Power Grid Based on PSD-BPA

Jian Bai, Yin Huang, Youjun Wang
With the large-scale construction of wind farms, the access of the wind farms affects the voltage of regional power grid. Power grid data in the South China region is built on the PSD-BPA system, and the PSD-BPA data of the current region can be obtained from the superior power grid. According to the...
Proceedings Article

A design of simple soldering machine

Yinhe Sheng, Kun Liu, Defu Shao, Xiaoming Feng
A type of soldering machine based on PIC-controlling is introduced in this paper, the high speed micro-controller unit (MCU) with kernel of 16F84A is adopted in PIC. The data is send to lower computer to control three axis motions by computer serial port, the process of automatic soldering is realized....
Proceedings Article

Energy storage station and Distributed power Synergistic dispatching management system

Peng He, Kun Li
Based on power grid dispatching automation platform, Establishing distributed resources cooperative scheduling management system, including wind power, biomass power generation, photovoltaic power generation and energy storage electric vehicle charging stations. The use of intermittent, renewable energy...
Proceedings Article

A Navigation Method for Land Vehicles Based on DR with Computer Vision Aided

Xingyu Li, Tingting Jiang, Zhenguo Yuan
Visual navigation methods become more and more hot issues for the vehicles. Computer vision has been applied to Dead Reckoning (DR) for land vehicles successfully. Based on the principle of DR, computer vision is used to calculate the azimuth information. And displacement information from camera could...
Proceedings Article

The Research of NC Programming Method Based on DXF File

Qisheng Liu, Dechen Huang, Xueli Tai, Tao Han, Bingbing Yan
DXF format file is a standard format of the ASCII text file, the CAD graphic data is saved accurately. A method of NC program is proposed based on DXF file in this paper, the valid data is extracted from AutoCAD DXF document in the graphics file (including straight line, circle, circular, elliptic arc,...
Proceedings Article

Simulation Of The PV Array Output Characteristic In Shading

Yuan Yao, Honglu Zhu, Xu Li, Qiao Sun, Ling Nie, Gang Zhao
PV nonlinear characteristics caused by complex external environment and the complexity of PV maximum power point locations distribution influence the design and optimization of photovoltaic maximum power tracking algorithm. Based on PV equivalent circuit model, unknown parameters of PV model are solved...
Proceedings Article

Daily Solar Irradiance Fluctuation Assessment Method Based on Correlation Analysis

Honglu Zhu, Xu Li, Qiao Sun, Ling Nie, Jianxi Yao, Gang Zhao
A method to evaluate fluctuation characteristics of daily solar irradiance was introduced based on theoretical solar irradiance. Process feature of daily solar irradiance were analyzed. Observed daily solar irradiance of 10 days in Beijing was tested to demonstrate the effectiveness of this method. Result...
Proceedings Article

Implementation of Computer Graphics Algorithm Platform Based on Autodesk Maya

Qi Zhang, Zhanpeng Huang
Building a visualization algorithm platform is the first step and very important part of computer graphics research. In this paper, we describe a new method to implement computer graphics algorithm based on Autodesk Maya. By creating the node is to be integrated directly into the Dependency Graph, we...
Proceedings Article

Application of Negative Selection Theory in Intrusion Detection

Yunhui Xing, Zhaowen Lin, Yan Ma
Along with the rapid development of Internet, network security has become one of high-profile issues in the current life. In this paper, the problem of instruction detection based on artificial immune system model and the key technologies negative selection algorithm(NSA) are discussed in detail, by...
Proceedings Article

Fault Detection for Network Control System with Multiple Packet Loss

Yuqing Li, Qun Zhang
The fault diagnosis problems for Networked control systems with multiple packet loss is studied. Residual model is designed to meet the minimum system implemented. By choosing the appropriate Lyapunov function, the sufficient conditions for the robust stochastic stability of the filter fault diagnosis...
Proceedings Article

Intelligent bus temperature measurement system based on Zigbee networks

Gang Ma, WenGong Jiang
In order to avoid overheating due to bus power supply system that will cause major accidents, we need to monitor the temperature of high-voltage switch cabinet in the narrow space. This paper designs a wireless intelligent bus temperature measurement system based on Zigbee networks. The application of...
Proceedings Article

Cycle Life Prediction for Rechargeable Battery based on Accelerated EODV Multi-phase Model: A Case on Nickel Hydrogen Battery

C.Y. Duan, Q.Z. HuangPeng, J.L. Zhou, G. Jin
In the health management of battery, cycle life prediction is an essential component. Before battery fail, the End-of-Discharge Voltage (EODV) reduce with the use. This paper proposed a multi-phase degradation model of EODV through failure mechanism analysis to evaluate the degree of degeneration of...
Proceedings Article

Comprehensive Utilization And Development Trend Of Corn Straw

Mingfen Niu, Huan Liu, Mingmei Zhao, Wenjuan Liang
China's corn straw resources are very rich, the development of corn straw application technology industry has become a hot spot. In this paper, the present situation of comprehensive utilization of corn straw in China is summarized, including the utilization of corn straw as fertilizer, feed, raw material,...
Proceedings Article

Rank Constraints on Joint Dictionary Learning for Image Recognition

Haohao Meng, Yufeng Chen
Sparse representation has been extensively applied to image recognition, while learning appropriate dictionaries for image content representation plays a critical role in it. An approach to simultaneously learn a common dictionary and multiple class-specific particular dictionaries achieves state-of-the-art...
Proceedings Article

Study of Longkou Oil Shale Pyrolysis Behavior with Bitumen as the Intermediate

Jian Shi, Yue Ma, Jili Hou, Shuyuan Li, Jinsheng Teng
Oil shale as the petroleum alternative is widely distributed in China, the total oil shale resources and potential shale oil resources are estimated at 719.937 billion tons and 47.644 billion tons, respectively. Shale oil and gas can be obtained through the pyrolosis of the oil shale. In order to study...
Proceedings Article

Comparison analysis of pollutant emissions factor for Lantan combustion instead of raw coal

Jili Hou, Wenzhi Shang, Junli Liu, Yue Ma, Jian Shi, Shuyuan Li, Jinsheng Teng
Volatiles, sulfur, nitrogen and other impurity atoms have released in the process of bituminous coal retorting and high-quality Lantan can be obtained. In order to investigate the feasibility of Lantan to combustion as a clean fuel instead of raw coal, this paper selects several representative coals...
Proceedings Article

Digital Display Design of Ethnic Clothing of Nanling

Shiyong Zheng, Weili Guan, Biqing Li
This paper conducts a research about digital display of “ Nanling minority costumes” of Hezhou University Museum. Sufficient basis for the work in the feasibility study and needs analysis, a digital display design is proposed. This design refers to clothing patterns design process, user interface design...
Proceedings Article

Study on Thrust Hydraulic System of TBM Based on AMESim & MATLAB/Simulink Interface

Xiangdong Gao, Jianxi Yang, Kui Chen
The choice of fuzzy rules and membership function of fuzzy self-adjusting PID controller of tunneling boring machine (TBM)’s thrust hydraulic system exists the defect of subjectivity to a great extent. The genetic algorithm (GA) was adopted to optimize fuzzy rules and parameters of membership function...
Proceedings Article

A software for optimizing the thermal power plant operation under environmental Constraints

Chunxiu Zhang
On the basis of the historical data of unit operation, consider the environmental cost, and KWH cost into the evaluation system, in order to developing guiding optimal operation of the thermal power units to run the software optimization . Through correlation analysis of the unit operation parameters,...
Proceedings Article

A Hierarchical Resource Allocation Algorithm for Satellite Networks Based on MF-TDMA

Huijun Feng, Yuanan Liu, Hefei Hu, Dongming Yuan, Jing Ran
Satellite communication networks would become one of the most prevalent communication system for the increasing demand for high-speed multimedia services and the underutilization of scarce satellite spectral resource. Considering resource optimization under multi-priority services and various link states...
Proceedings Article

Research on the influence of steel slag powder, slag power, and fly ash on the performance of concrete

Kaiqiang Song, FuTian Liu
In this paper, steel slag powder, slag powder and fly ash mixed with different proportions, equivalent replacement of cement, as concrete admixture, study the effect of the admixture on the performance and mechanical properties of concrete, and through the XRD, SEM, differential thermal and other micro...
Proceedings Article

Synthesis and photoluminescence characteristics of Eu3+ doped Bi4Si3O12 red emitting phosphor

Gonggong Lu, Kehui Qiu, Yunlei Bu, Xilu Hou, Xiqiang Yuan
Eu3+ doped bismuth silicate phosphors, Bi4Si3O12:xEu3+ (0.01 x 0.08) were prepared via sol-gel route. XRD results show the phase of the synthesized phosphors calcinated at 650 is isostructural with Bi4Si3O12. Under the excitation of 261nm and 393nm, there are some sharp emission peaks of Eu3+ ions centered...
Proceedings Article

Research of method for detection of rail fastener defects based on machine vision

Zhenzhen Wang, Siming Wang
The detection of rail fastener defects is the key to ensure the running safety of high-speed trains. Traditional method is usually be detected rely on train workers who walk along railway lines to find out the potential risks. The method by artificial maintenance is slowly, costly, and dangerous. As...
Proceedings Article

Six-legged Walking Robot’s Gait Planning and Kinematics Analysis under the Environment of Concave Ground

Yangyang Fan, Yunwei Zhang, Yong Yu, Ling Chen, Xiangyi Zeng, Shuang Gou
Legged robot has advantages with high degree of freedom, flexibility and strong adaptability to the ground. So this paper presents a posture in concave ground environment of a leg organization of a six-legged robot and proposes a gait planning of six-legged robot, which ensure it to move smoothly and...
Proceedings Article

Study on Influence of Excitation System Parameters on Transient Characteristics of Power Units

Qiao Chen, Jun He, Wentao Huang, Xin Shu, Wan Li
The engine excitation control system has significant effect on the static stability, dynamic stability and transient stability of the power system. In power system stability calculation, the model and parameters are used to correct the excitation system. Excitation system parameters are numerous, such...
Proceedings Article

Research and Experiment on Field Warning Device of Non-contact Type

Songnong Li, Qiang Zhou, Xingzhe Hou
In order to better understand the power frequency electric field around the transmission lines and device, this study introduces the mathematical measuring principle of one-dimensional spherical sensor for electric field, analysis the theoretical feasibility whether the ball-type sensors could be replaced...
Proceedings Article

Fe2O3 Nanorods Grown on Reduced Graphite Oxide for the Anode of Lithium Ion battery

Jinlong Zuo, Ruifeng E, Junsheng Li, Zhi Xia, Xuewei Wang, Xinguo Yang
Fe2O3 nanorods grown on reduced graphite oxide RGO was synthesized via a facile hydrothermal method followed by a heat-treatment process. The Fe2O3 nanorods grown on the RGO has a average diameter of 40 nm, which is smaller than the pure Fe2O3 nanorod. Investigated as an anode material for Li-ion batteries,...