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Proceedings Article

Development and Application of the Special Tools for the Cleaning of Screw Fittings

Su Zhang, Yuanda Zhu, Dongxu Dai, Wanyi Zheng, Zhe Han
The isolating switch is a device of isolating voltage in order to ensure the safety of the maintenance work of high voltage apparatus and equipment. It is installed by bolts on the mounting rack of electric equipment. The isolating switch is exposed outdoors and always affected by wind, rain, dust and...
Proceedings Article

Development of the Special Tools for On-load Tap-changer Suspended Core

Yuanda Zhu, Su Zhang, Qishu Tang, Jia Shan, Zhen Zhang
In today's transmission and distribution system, large transformers are widely equipped with on-load tap changer (hereinafter referred to as OLTC) to ensure the voltage quality of the system and users. Due to the complex mechanical structure and high operation frequency, there are often abnormal situations...
Proceedings Article

Development of Digital Real-time Remote Training Demonstration Device

Yongfei Yi, Yuanda Zhu, Hengfu Zhan, Shaohong Zhu, Tiejun Gao
Real-time display system for remote training consists of video recorder with wireless transmission module, relay router, display terminal and video recorder carrier with multiple wireless transmission modules. The display terminal includes projector, desktop, tablet computer or smart phones. The video...
Proceedings Article

Study and Application of 220kV Substation Relay Protection Training System

Ting Yuan, He Zhang, Shusen Liu
With the large-scale application of power electronics technology and computer technology in grid operation, automation level of the grid production and operation maintenance in China is increasingly higher, which also proposes higher requirements on the professional theory and skills of frontline staff...
Proceedings Article

The Development and Application of Power System Relay Protection Technology

He Zhang, Lin Sun, Jing Zhang, Deguo Zheng, Liang Wang, Xiaoyu Weng, Jun Jiang
This article mainly tells the development of power system relay protection technology, application status and application prospect in the future, and for the relay protection device equipment type selection, function analysis, this paper introduces the current mainstream of relay protection technology,...
Proceedings Article

Study on the application of the integrated protection and control device for 220kV intelligent substation

Ting Yuan
Power system is a complex and huge network composed by power generation, transmission, substation and distribution, of which substation is an important part. In this aspect, the intelligent degree of substation is especially important. The 220kV substation of high intelligent degree is built in Hejia,...
Proceedings Article

Design and implementation of participating teaching quality information feedback system

Qingru Sui
With the reform and development of teaching, teaching quality has become the main focus of the various colleges and universities teaching problems. To improve the teaching quality of teachers, improve the teaching ways and methods, this paper studied, by means of participating in teachers' information...
Proceedings Article

Aggregation and divergent process of As in the bay mouth of Jiaozhou Bay

Dongfang Yang, Sixi Zhu, Fengyou Wang, Xiaoli Zhao, Yunjie Wu
This paper analyzed the content and distribution of Arsenic (As) in bottom waters in the bay mouth of Jiaozhou Bay in May, September and October 1983. Results showed As contents ranged from 0.15-2.30 g L-1 in bottom waters in the whole year, and were more lower than Class I for As (20.00 g L-1) in National...
Proceedings Article

The impact of marine current to Cu contents in Jiaozhou Bay

Dongfang Yang, Sixi Zhu, Fengyou Wang, Mingzhong Long, Xiuqin Yang
Based on the investigation data on Cu contents in different seasons in 1983 in surface waters in Jiaozhou Bay, we analyzed the contents, pollution level and distributions of Cu. Results showed that Cu contents in May, September and October were 2.47-20.60 g L-1, 0.86-4.86 g L-1 and 0.77-3.00 g L-1, respectively....
Proceedings Article

The influences of pollution sources on the vertical distributions of As in Jiaozhou Bay waters

Dongfang Yang, Sixi Zhu, Fengyou Wang, Yunjie Wu, Xiuqin Yang
Based on the investigation data on As in surface and bottom waters in the bay mouth of Jiaozhou Bay in 1983, this paper analyzed the seasonal variations, vertical variations and horizontal distributions of As. Results showed that As contents in surface waters in different seasons were in order of summer...
Proceedings Article

Discussion on Strengthening Information Technology and Basic Education In-depth Integration Method

Shuping Li
Information technology penetrates into education field continuously with development of information technology. Information technology is playing an increasingly important role in education. Information technology has changed traditional mode of education, and created a brand-new learning environment...
Proceedings Article

Implementation of effective Methods of Modeling Tools in technical Education

Sedivy Josef
Development didactics engineering subjects based on the results and conclusions research studies focused on the use of didactic potential of the technology deployed in industrial environments. The possibility of good careers in the field of construction and technical preparation of engineering companies...
Proceedings Article

Research on Land Utilization Based on DEA-BP Neural Network Model

Bihe Fang, Tingyi Zhao
This paper comes up with a DEA-BP Neural Network Model which demands little on the input data and owns a good ability to foresight. The writer use the data from Project named The Evaluation on Development Land Utilization to test DEA-BP Neural Network Mode. The result indicates that the model performs...
Proceedings Article

Research on the ontology-based collaborative description model of IoT resources

Jiaqi Dong, Zhiping Zhou
Researches of collaboration of the internet of things (IoT) resources so far have been limited to a certain aspect. This paper describes the features of similar IoT resources and relationships of different IoT resources to reflect synchronous and sequential relations of the collaborative system. An ontology...
Proceedings Article

Research of decisional behavior on miners’ emergency response based on ERPs

Hongxia Li, Yongbin Fan, Lin Shi
This study using the event related potential (ERP) experiment means, researches the coal mine production emergency scenario miners in emergency response electrical experiments, and designs experiment of miners’ emergency information decision response. According to possible accidents and disasters in...
Proceedings Article

A market comparison method evaluation model based on set pair analysis

Xiuli Wang, Jun Lei, Jie Bai, Hengkai Li
Appraisal model of estate market comparison approach existed uncertain problem, so a new appraisal model integration of GIS and set pair analysis was built. Firstly, using the GIS spatial analysis method quantified the real estate price impact factors. Then, its weights were calculated by entropy weight...
Proceedings Article

A parallel algorithm of non-linear high-order boundary condition problem using form initial condition problem

Zhao Chen, Shesheng Zhang, Yuguang Li
The non-linear high-order boundary condition problem is transformed into form initial condition problem with few parameters, and the steps of calculating the non-linear parameter is constructed. The boundary condition problem is solved using parallel computer. Comparing with the result of boundary condition...
Proceedings Article

A parallel algorithm of non-linear high-order dissipative system

Zhao Chen, Shesheng Zhang, Hualing Zhao
A parallel computation model is provided of dynamics and dissipative tunneling in a symmetric quartic double well potential. The numerical parallel solution for the position autocorrelation function obtained through the Wigner–Fokker–Planck equation is compared well with numerically exact results.
Proceedings Article

Map Building Method Based On Improved D-S Evidence Theory For Mobile Robot

Lei Zhu, Jiang Guo, Jinsong Yang, Mingdong Shao, Jiming Sun, Dapeng Gong, Hongyu QI
Focusing on the uncertainty of the environment, a grid map building method based on the multi ultrasonic sensors is provided. Firstly, the single ultrasonic sensor grid model is constructed by dividing the detected area into three regions. Then the evidences which are needed to fuse are self-adaptively...
Proceedings Article

The Application of Intelligent Voice Analysis Technology in the Customer Call Center of Telecom Operators

Kai Zhang, Jin He, Jinzhou Yang, Xiao Zhang, Zhijun Wang
Call center is one of the most important means for telecom operators to provide after-sales service for customers. Every day, call center can produce a large number of voice data. But these data do not bring significant value to the enterprise. Recent years, the development of intelligent voice technology...
Proceedings Article

Comparative fault location algorithms for regional distribution network with distributed generator

Xiaoxue Wang, Zhenxing Li, Yun Wu, Jinwei Zhang, Yumeng Fan, Liang Wang
Traditional matrix algorithm endures advantages of low requirements in FTU, high accuracy in Single–supply and radiation distribution network and so on. However, it will meet with erroneous judgment when it is used traditional matrix algorithm as long as it inserts with distributed generator. This article...
Proceedings Article

Research on the Anomaly Detection of Flow Streaming Technology in Network

Jin Si, Guochun Sun, Chunhua Zhang
According to practical requirements of the network security monitoring, this paper based on flow streaming technology to analyze and research the network anomaly flow. From the perspective of network security, this article introduced the principle of NetFlow technology and the implementation of the collecting...
Proceedings Article

Synthesis of Perovskite-type Oxides LaMnO3 Nanofibers via Electrospinning

Jian Zhang, Xin Xu, Hongmei Liu
Perovskite-type cube structure LaMnO3 nanofibers of approximately 50~100 nm in diameter were synthesized via Sol-Gel processing and electrospinning technology after calcined at 900 by using polyvinypyrrolidone (10 wt %PVP) as complexing agents. The nanofibers was characterized by means of scanning electron...
Proceedings Article

A Topology Model with Energy- and Location-awareness based on the Laws of Internal Evolution of the Wireless Sensor Network

Dengchao Huang, Jing Fan, Junhua Chen
In this paper, based on complex network theory, a topology model was proposed which is more accord with the nature of wireless sensor network. Actually, each node's actual location is crucial, in addition, the node energy consumption and communication distances between nodes are inseparable, so we tried...
Proceedings Article

An Optimal Bandwidth Resource Utilization Scheme in IEEE 802.16m Based Networks

Hanwu Wang, Beibei Yang, Liang An
The IEEE 802.16m based broadband wireless access is a brand-new technology to provide high speed and wide range communications for wireless users. However, how to exploit the optimal utilization of the radio frequency bands resource in such networks is a big challenging issue as it covers the radio channel...
Proceedings Article

A Method of Text Dimension Reduction Based on CHI and TF-IDF

HaiBo Tang, Lei Zhou, Xu Chengjie, Quanyin Zhu
In order to improve the result of text dimension extraction, a text dimension reduction method which is based on CHI and TF-IDF is designed and realized. News websites on the Internet provide news articles, through the page analysis based on SVM and application method designed based on CHI and TF-IDF,...
Proceedings Article

Video Shot segmentation algorithm based on SURF

Shujing Pan, Shutao Sun, Lifang Yang, Fengfeng Duan
Video Shot segmentation is the key technology in content-based video retrieval and browsing, and which will directly affect the results of video retrieval. In view of the problems that the traditional shot segmentation algorithm is complex, the feature of video frame is not ideal, and the segmentation...
Proceedings Article

Research on the Regularity of Distance Distribution between Adjacent Mines

Xiang-wen Leng, Xu Zhang, Lin Shao
based upon the influence of mine position distribution error, adjacent mine space cannot fulfill the task of actual combat. this paper builds the model of adjacent mine space distribution regularity under two conditions of the same voyage and different voyages. In combination of examples, a series of...
Proceedings Article

High Efficient Link Schedule with Spatial Reuse in Relay Enabled Broadband Wireless Networks

Hanwu Wang, Liping Chen, Tao Yu
The relay enabled broadband wireless access is based on the IEEE 802.16j standard and acts as a promising technology to construct the next generation high speed metropolitan area networks. However, the link schedule and the relevant resource allocation, which is a key challenging issue in such networks,...
Proceedings Article

Unified Expert Database of Aluminium Alloy Welding Based on Matlab Curve Fitting

Tianfa Liao, Jianzhong Cao, JiaXiang Xue, Xiaofeng Chen
In this article, curve fitting is conducted on the original data of aluminum alloy via matlab. Then, to find out a fitting curve with optimal effect, comprehensive analysis is made on the judgement quantitative index of curve fitting. The wire feed rate of other given current is obtained with such fitting...
Proceedings Article

Study on Gallop Early-warning System of Transmission Line Based on Real-time Weather Information

Junjie Huang, Ling RUAN
Through the analysis on the cases of the transmission line gallop over the years, the meteorological condition and the geographical location have a dramatic effect on the gallop phenomenon. And the conductor gallop can be evaluated by the thresholds of the weather factors and the degree of the terrain...
Proceedings Article

The Application of the Optimal GM (1, 1) Model for Heating Load Forecasting

Guojuan Fan, Bo Li, Wanquan Mu, Cun Ji
Heating load forecasting of municipal steam heating system is an important part of the smart city. According to the forecast results, heating companies can arrange production reasonably and provide heating uniform and stable to improve energy efficiency. For the features of the time series of heating...
Proceedings Article

Engine idle speed control research status and development trend

Fengfeng Yin, Jianmin Sun, Wenwen Wang
The engine idle speed control is one of the most important challenges in the engine control fields, essentially the engine idle speed control is a nonlinear, time-varying, complex and uncertain dynamics control problem, the present study the idle speed control problem for improve the gasoline engine...
Proceedings Article

Research on Mathematical Model for Idle Speed Control of Engine

Jianmin Sun, Fengfeng Yin, Zhiyuan Wei
The modeling method is commonly used in the simulation of engine at home and abroad, the engine which is used for auto control and performance analysis model. It includes static and dynamic modeling methods, such as engine nonlinear autoregressive model, the average model, the chart model and hybrid...
Proceedings Article

Research on Hamilton Graph Determining Algorithm

Hai Liu, Ying Ai Tian, Fang Feng HU, Jiong Xing Jin
This Paper sums up the necessary conditions to discriminate undirected Hamilton graph based on the in-depth research into the graph. The heuristic search strategy corresponding to the new necessary conditions is designed to quickly solve the problem of "determination of undirected Hamilton graph". The...
Proceedings Article

Research on Modeling and Simulating of Harmonic Load Based on APF

Pu Xie, Jin-cheng Zhao, Zheng-chun Liu
With the development of power electronic technology, harmonic load is one of the main reasons for damage to the power quality of the limited capacity power system. Firstly, the functional requirements of harmonic load model in the three-phase four-wire isolated power supply system are carried out according...
Proceedings Article

A Gray Level Image Detection and Segmentation Algorithm Based on Average Intensity Project and Shift Gaussian Model

Fuchun Zhang, Yanzhong Hao
A gray level image segmentation algorithm is proposed based on Average Intensity Project (AIP) and shift Gaussian model for gray level images with connection between thread and area with similar gray level. The evaluation is performed on 30 gray level images, and the results show area overlap measure...
Proceedings Article

A Method of General Data Interface’s Design And Implementation Based On IEC 61850

Zhencai Cai, Zhijun Tang, Xia Wang, Jiwen Lian, Xiaodong Zhou, Jinshan Chen, Bolong Zhai
this article describes a method of general data interface’s design and implementation based on IEC 61850. This method puts interface data of communication and other function components in real-time database of the equipment, which also sets up a mapping method of the correlation of IEC 61850 and real-time...
Proceedings Article

A Portable Test Device for Smart Substation Based on PXI Bus

Zhencai Cai, Zhijun Tang, Bolong Zhai, Guodong Lin, Chaoping Deng, Jinshan Chen
In debugging and testing process of the intelligent substation process level intelligence unit ,it need to build multiple sets of test environments, with the wiring complexity and low efficiency. For this case, we design of a portable intelligent substation testing device based on PXI bus, describe the...
Proceedings Article

Side Panel Crack Fault Diagnosis Research of Large-scale Vibrating Screen Based on Wavelet Analysis

Qing hui Zhu, Han Wang
The paper takes side panel cracks of large-scale vibrating screen as research object. The side panel vibration signals have been de-noised and the wavelet packet energy feature has been extracted in Matlab with wavelet analysis theory. Meanwhile, the fault characteristics is sent to genetic neural network...
Proceedings Article

Power Management Based on Droop Control in DC Microgrid

Pu Xie, Run-Sheng Yang, Jin-ning Liu
This paper deals with a DC-micro-grid with renewable energy and conventional energy. In the DC microgrid system, it is a key problem to keep balance between supply power and demand power. Based on the analysis of the operational priority of micro source and load, the priority model of micro source and...
Proceedings Article

Hall for Workshop of Meta-Synthetic Engineering for the Demonstration of Airborne Equipment Development

Xin Hua Fu
Since conventional methods cannot resolve the complex problem of airborne equipment development, the Hall for Workshop of Meta-Synthetic Engineering for the demonstration of airborne equipment development is built in this paper to improve the scientificity of the demonstration of airborne equipment development,...
Proceedings Article

Application of adaptive Sage-Husa and AUKF filtering algorithm In Initial Alignment of SINS

Wan-xin Su
When the system model and noise statistical characteristics are known, the conventional Kalman filtering algorithm is suitable. When the noise statistics are unknown and large initial misalignment angles results in system nonlinear, the application of liner error model and Kalman filtering algorithm...
Proceedings Article

Research on Method to Determine the Business Function of Logistic Support Informational System for Equipment

Xing Jin, Ruyi Zhang, Xiao Guo, Zhaoyang Zeng
To improve the development of informational support of equipment, constructed the logistic support informational system is one of the choice. In order to establish informational system which adapt to the requirement of equipment, how to confirm the business function of logistic support informational...
Proceedings Article

Design of A Compact Four-Way Micro-strip Power Divider

Xiaotao Cai, Huifeng Wang, Xiaosong Qu, Limin Zhang
A four-way micro-strip power divider is proposed in this paper, which has compact structure. During the operation frequency band (2-4GHz), the designed power divider has good performance of impedance matching at five ports and the measured VSWR of each output port are all less than 1.25. The isolation...
Proceedings Article

A New HRRP Reconstruction Method based on Joint Sparse Model

Ming Zhou, Mingjiu Lv
At present, most of the high resolution range profile reconstruction methods are based on a single echo signal, without considering the relationship between all the echo signals. In this paper, we consider the sparse feature of echo signal, and propose a method of high resolution range profile reconstruction...
Proceedings Article

Study on the structure and hydraulic performance of the hydraulic pressure emitter of reverse gear

Buling Fang, Songtao Qi, Shaojie Wu, Zi Wang, Ruixian Li
With the shortage of water resources in China, water-saving agriculture has been highly addressed and developed by the government. This paper studies the channel structure of a helical micro pressure drip irrigation emitter, focusing on the tilt and tooth chamfer’s angles within eight different combinations...
Proceedings Article

The electromagnetic field simulation and analysis of curved radiator

Lizhi Jiang
With the development of electromagnetic simulation technology, demand for electromagnetic radiation sensor is improving. The reasonable design of transmitter electromagnetic simulation technology has become a key. In this paper, the curved radiator of the electromagnetic radiation field by finite element...
Proceedings Article

Study on the Expression of Osteopontin Coding Gene in Ovarian Cancer

Lihong Bao
Osteopontin (OPN), as a malignant transformation related protein phosphorylation was firstly completed the extraction by Senger in 1979. With the progress of research on osteopontin (OPN), people found out that there was little amount in the normal tissues that was showed with low expression, however,...
Proceedings Article

Study on Osteopontin and Its Clinical Application to Ovarian Cancer

Lihong Bao
Osteopontin (OPN) is a kind of phosphorylated acidic glycoprotein, human beings' osteoclasts, macrophages, T cells, and vascular smooth muscle cells can secrete OPN, the gene is located on chromosome 4q13. OPN has a function of adhesion to protein, which can be combined with CD44, integrin v 3 and v...