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190152 articles
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...
Proceedings Article

The optimized schemes of optical labels about DB and PPM over POLMUX-CSRZ-DQPSK payload in 100Gb/s OLS network

Ying Li, Ming Xu, Tiansheng Zhang, Yan Li, Jianhua Ji
Two orthogonal modulation optical label switching (OLS) schemes, which are based on payload of polarization multiplexing-carrier suppressed return to zero-differential quadrature phase shift keying (POLMUX-CSRZ-DQPSK) with label identifications of duobinary (DB) label and pulse position modulation(PPM)...
Proceedings Article

Modelling and Experimental Research in Hot Precision Forging of Duplicate Gear Blank

Zhi Li, Baoyu Wang
In this paper, two-steps forging is used to manufacture duplicate gear blank. The simulating of the second step forging process is based on DEFORM which is a finite element software. The forming parameter range was determined while the forging force was predicted. Using a set experiment tool of closed-die...
Proceedings Article

Ball mill feeding based on fuzzy adaptive control system

Bihui Huang, Qiong Liu
In industrial production, material level control of ball mill are normal operation of ball mill is of great significance. In view of the ball mill run time nonlinear, big inertia and strong coupling characteristic, studied a kind of fuzzy PID based on PLC - 300 ball mill feeding control algorithm, based...
Proceedings Article

Research on data mining of MOOC platform based on large data environment

Qiuping Wang
The vigorous development of the Chinese MOOC platform has brought the huge amounts of data. How to tap the value of these data is the current research problems to be solved. This paper puts forward the data mining framework through analyzing the data features of user data in MOOC platform under the large...
Proceedings Article

Label Propagation Algorithm for Haplotype Assembly Problem

Yuying Zhao, Jinshan Li
This template explains Haplotype assembly problem is one of the most important problems in molecular biology and life sciences. Computationally, the key work for this problem is to divide the aligned sequence fragments into two disjoint clusters and then to reconstruct the corresponding haplotypes from...
Proceedings Article

Quickly Identifying FFSN Domain and CDN Domain with Little Dataset

Youshuai Zhao, Zhengping Jin
Fast-flux net has been adopted by more and more attackers to build up bot-net, which consists of many proxy-hosts that are changing fast. With this technology, tracing and locating the C&C (control and command) host is more complex and difficult, so that how to identify whether a domain belongs to a...
Proceedings Article

A practical Shunt Capacitor Placement Algorithm in Distribution Network

Zhilai Lv, Wei Wang, Hai Li, Dejin Wang, Zifa Liu, Yunpeng Wang
For capacitor shunt placement the proposed methods do not consider the following conditions; there are few measures and the first compensation points are easily over compensation in distribution networks. So this paper proposes a practical method that can full of utilize the available measures and avoid...
Proceedings Article

Verifying Outsourced Decryption of CP-ABE with Signature

Hongwei Liu, Xueyuan Wang, Peng Zhang
Attribute-based encryption enables users to encrypt and decrypt messages based on user attributes. The computational complexities of decryption are very high. By Outsourcing decryption to the third party, it can address the problem. But the verifiability of results returned from the third party has yet...
Proceedings Article

The application of LM-BP Neural Network in the Circulating Fluidized Bed Unit

Mengjie Hu, Hujun Ling, Dongxu Liu
Circulating fluidized bed technology is one of the developing direction of clean coal technology which is more reality, and one of the effective ways to solve the thermal power to meet the increasingly stringent environmental requirements. Due to the dynamic process of circulating fluidized bed boiler...
Proceedings Article

The Research of Spread Spectrum Communication Based on the Realization of FPGA

Dajiang Zhang, Jianye Wang, Junjie Liu
It gives the functional block diagram of the transmitter of the spread spectrum communication (SSC) with the spread spectrum code of Pseudo-Noise code and the modulated way of ASK (amplitude-shift keying), and then realized the common ASK transmitter and the corresponding SSC method on the FPGA (field...
Proceedings Article

Research on the Sealing Detection Technology for No Leak Detection Interface Specimen

Yingjun Huang, Xudong Liao, Guoyun Bai, Tao Chen, Miao Lou
The sealing detection technology for no leak detection interface specimen was introduced, such as bubbles leak detection, back pressure leak detection, advance helium leak detection, fluorescence permeation leak detection and inside helium source leak detection, including their principles and specialties....
Proceedings Article

Signal Estimation under Specific Direction based on Extrapolation Method

Tingting Li
For the problem of space spectrum cannot reserve the original time-domain signal under specific direction after beamforming, a method of primitive signal estimation based on the results of beamforming is proposed. The method proposed is based on the traditional extrapolation, and can be used to estimate...
Proceedings Article

Research on measurement regions for Articulated Arm Coordinate Measuring Machines based on DBSCAN

Jinpeng Wang, Yangkuan Guo, Lianqing Zhu, Zhikang Pan
The measurement accuracy of the articulated coordinate measuring machine (AACMM) is different in different sub measurement regions. In order to improve accuracy, The method for dividing and merging of sub measurement region based on Density-Based Spatial Clustering of Applications with Noise (DBSCAN)...
Proceedings Article

The Analysis of Moment Characteristics of Variable Forward-swept Wing Mechanism with a Double Slideway

Xinbing Su, Haoyang Feng, Binlin Ma, Xu Wang
Based on the variable forward-swept wing configuration, this paper utilizes a variable forward-swept wing mechanism with a double slideway, which makes it possible for the aircraft to switch among orthogonal wing, forward-swept wing and delta wing freely. The general configuration of the variable forward-swept...
Proceedings Article

The Design of Automatic Control System for Friction Plate Forming Equipment

Yuesheng Wang, Dawei Zheng
Due to the special requirements of the clutch friction plate production, the previous manual operation has been unable to meet the actual production requirements. This paper designs a control system for friction plate forming equipment aiming at different types of automobile clutches, by using the PLC...
Proceedings Article

Research on Vibration Performance of Stator End Winding in Large Steam Turbine-generator System

Zhang’ao Ren
With the increase of the capacity of the generator, the electromagnetic force of the stator end winding of turbine-generator is increased, which can lead to the failure of the stator end winding. Based on this report, a finite element modeling method is proposed to solve the problem of complex structure...
Proceedings Article

When Coordination and Exploration are matched: A Simulation Research on Multi-Agents Governance mode

Cunying Chen, Hua Zhang
Engaging in exploring multi-agent collaboration requires determining how to govern the shared activities. We examine the performance implications of selecting alternate modes of governance in multi-agent alliance relationships. A core set of results in this study relates to the ways in which governance...
Proceedings Article

Real-time Calculating Over Self-Health Data Using Storm

Jiangyong Cai, Zhengping Jin
With the continuous development and popularity of smart wearable devices, more and more people tend to use the devices to record their health indicators and exercise indicators. Thus a larger amount of indicators called self-health Data is generated all the time. Obviously, it is necessary to process...
Proceedings Article

The Phase Detection Algorithm of Weak Signals Based on Coupled Chaotic-oscillators

Wen Jun Sun, Guo Sheng Rui, Yang Zhang
Traditional phase detection methods of weak signals have some problems such as high complexity and low accuracy. To cope with these problems,, this paper proposes one novel parallel detection algorithm based on multi-coupled oscillators. Firstly, the chaotic detection model and double coupled oscillator...
Proceedings Article

Development of inspection robot for in-service steel tubular poles

Dabing Chen, Peng Liu, Chenggang Li
The development of an inspection robot for in-service steel tubular poles is described in the article. Based on the design requirement analysis to the steel tubular poles used in China, the design requirement is presented. By compared with the deferent technology, TOFD technique and magnetic wheel are...
Proceedings Article

Analysis of sedimentary facies of the Chang 7 reservoir in Binchang area, Ordos Basin

Lifang Cheng, Yanchun Wang, Xueqing Liu
The sedimentary facies characteristics has been investigated based on the core examination, logging facies analysis and seismic interpretation, Eight types of microfacies grouped into three subfacies associations are recognized in the Chang 7 reservoir. Braided delta front subfacies is rich-sand deposits...
Proceedings Article

A New Model of Adaptive Container Image Preprocessing

Yajie Zhu, Qikun Zhang, Weiming Zeng
The preprocessing of container image is the key to the whole container code intelligent identification system, and the result of treatment directly affects the accuracy of the code area positioning, the character segmentation and recognition. Based on some features of container images such as the color,...
Proceedings Article

Rough set theory in discretization method based on genetic algorithm

Lei Huang
The rough set theory is a theory method. It is about incomplete research, uncertain expression of knowledge and data, knowledge and data discovery. It has been widely used in artificial intelligence, knowledge and data discovery, pattern recognition and classification, analysis and reasoning of imprecise...
Proceedings Article

Experimental Study on the Noise Distribution Law in Sound Field of the Horizontal Axis Wind Turbine Near Wake

Tiange Chen, Zhiying Gao, Jianwen Wang, Chao Yang, Fei Guan
This paper measured the propagation law of the acoustic radiation of certain airfoil blade in the near wake and obtains the noise parameters with different tip-speed ratio and measuring position by using the PULSE system. The results show that in low frequency band the rotation fundamental frequency...
Proceedings Article

Thermal stability and Anti-Corrosion analysis of alloy coatings on Overhead Ground Wires

Kai Guo, Yishu Du, Shuang Liu, Xingeng Li, Zengwu Yue, Min Fu, Xuegang Wang, Xiaoming Wang, Fengjie Yan
In this work, alloy coatings with different Al and Mg content have been prepared on overhead ground wires for Zn-Al-Mg series hot-dip coatings providing good protection on mild steel surface against corrosion. A reinforced thermal stability is confirmed by DSC thermodynamic curves. Furthermore, the enhanced...
Proceedings Article

Structural Analysis of Cylinder Head Based on Fluid-solid Coupling Simulation

Yubao Jiang
For a new diesel engine cylinder head, an assembled finite element model, consisting of cylinder head and cylinder block, is constructed in the present work. By using computational fluid dynamics (CFD) analysis and fluid-solid coupling method, the flow distribution of the water jacket is achieved, as...
Proceedings Article

Based on Fluent Software for Screw Flow Analysis of Wood Plastic Composite Synthetic Type Twin-screw Extruder

Guangsheng Zeng, Bin Song
The paper analyzed the flow of the diameter of 72mm twin screw extruder screw-type’s field measurement from some machinery co., LTD by FLUENT software. Firstly, through established the flow channel of three-dimensional entity model by Gambit, defined the boundary and completed the meshing simultaneously....
Proceedings Article

The study of carbon monoxide placenta blood hemoglobin oxygenation

Chen Chen, Xiang Wang, Pei Wang, Donglai Qi
With the great progress of hemoglobin-based blood substitutes, however, they all have a same problem that is hard to get effective stable structure of hemoglobin. The hemoglobin can be oxidized into met hemoglobin in the process of purification, lead to the loss of the function of carrying and transporting...
Proceedings Article

Research on the Gap Flow Simulation of Debris Removal Process for Small Hole EDM Machining with Ti Alloy

Wenchao Zhang, Yu Liu, Shengfang Zhang, Fujian Ma, Puyong Wang, Changgang Yan
In EDM, especially in small holes EDM machining, there will be a lot of debris produced which is difficult to remove from narrow gap. If the debris can’t be removed in time, it will affect the machining accuracy and efficiency, and sometimes even unable to complete the processing. In this paper, the...
Proceedings Article

Blind Doppler Rate Estimation for PSK Signal

Xin Cai, Xiang Wang, Zhi-Tao Huang, Feng-Hua Wang
We propose a novel blind Doppler rate estimator for phase shift keying (PSK) transmissions. The issue may arise in mobile radio links when the received signal experiences non-negligible time-varying Doppler distortion, as in low earth-orbit satellite systems and terrestrial mobile cellular radio systems....
Proceedings Article

MPPT Algorithm Based on the Perturbation and Observation with Variable Metric

Yishuang Hu, Zimu Zhang, Dong Zhao, Yue Deng, Jingyi Lu
The output of photovoltaic array under uniform light is nonlinear with single peaks. Among the MPPT strategies, The P&O Maximum Power Point Tracking algorithm is mostly used, due to its ease of implementation. However, its main drawbacks are the waste of energy in steady conditions, when the working...
Proceedings Article

Hybrid laser information improved PSO-RBPF algorithm

Haibo Lin, Jingjing Ke, Yi Zhang
To solve the estimator’s inconsistency in calculating the proposal distribution and the particles degeneracy phenomenon of the Rao-Blackwellized particle filter (RBPF), an improved method of RBPF based on fusing Precision laser pre-observation information particle swarm optimization (PSO) is proposed...
Proceedings Article

Latest Developments of Nanoparticles Surface Modification

Lixia Peng
Latest surface modification methods of nanoparticles are researched in this article. The mechanism, characteristics and process of surface physical modification methods of nanoparticles such as surfactant and surface deposition are analyzed. The characteristics, mechanism and chemical reaction process...
Proceedings Article

Automobile Engine Block Machining Line Simulation

Fuping Li, Zheng Wang, Zhifeng Liu
In this paper, using the production system simulation software Plant Simulation to model and simulate an automobile engine block machining line, and then analysis the simulation data. Experimental data shows that the production line program has a strong production capacity and good economic, which can...
Proceedings Article

Inertia mobile mechanism research based on ADAMS

Jiajia Chen, Qingming Wang, Jiachen Ju
In this paper, a new design of a mechanical device based on inertial force is presented. The theoretical analysis and some kinetics equations are established. The dynamic characteristics of mechanical device are greatly influenced by the coefficient of friction during the moving process. Relatively low...
Proceedings Article

Study on Term Weight Calculation Based on Information Gain and Entropy

Ying Hong, Chao Lv
This paper first analyzes the advantages and disadvantages of TF-IDF, which is a traditional algorithm of term weight calculation. Then to overcome the disadvantages of the algorithm, this paper proposes a new method of term weight calculation based on information gain and information entropy, which...
Proceedings Article

Design of a Vibration Monitoring System for the Hoisting Machine in Ship Locks

Panpan Zhang, Haibo Li
Water transportation are becoming more and more important in the transportation area. The ship lock is one of the most significant facilities in the inland water transportation. In this paper, different kinds of hoisting machines for the ship lock gate were introduced. Characteristics of the connecting...
Proceedings Article

Design of laser detection instrument of a certain type of missile

Yuanjia Cao, Guangjun Yu, Xiwei Guo
This paper introduces a laser detection instrument for calibration the optical axis parallelism between laser transmitter with small field of periscope optical aiming mirror, and also it can measure laser transmitter power and view spot diameter of the main, minor zoom field and fixed foci small field...