Proceedings of the 2016 3rd International Conference on Materials Engineering, Manufacturing Technology and Control
363 articles
Proceedings Article
The Application of Activity Recognition Algorithm Based on Three-Dimensional Accelerometer in Virtual Reality Field
Qing Zhu, Kai Yang, Zhiqiang Wang
This paper aims at the head mounted display (HMD) equipment based on smart phones, puts forward a interactive mode in order to improve the immersion of virtual reality (VR) games and applications. Its core is a real-time human motion analysis algorithm based on tri-axial acceleration (TA) sensor. This...
Proceedings Article
The Design Of Bluetooth Voice Source Wireless Real-time Voice Encryption System
Hai Hui Huang, Jiu Ran Liu, Yao Deng Wang
The paper proposes a new encryption method named as wireless bluetooth vioce source real-time encryption method which adopts encryption algorithm of improved Logistic mapping, in order to solve wiretapped problems, improve the security of the voice transmission and ensure the integrity of the voice signal.
Proceedings Article
Research on Influence of Tracking by Electromagnetic Wave Delay to pass through Different Transmission Line
Mingxin KOU
This text mainly introduced the TT&C&DDT down signal maximal-ratio combiner and target tracking voltage of angle error, analysis the influence of tracking by electromagnetic wave delay correction in different transmission line, given improvement viewpoint of BPSK signal tracking system by electromagnetic...
Proceedings Article
A test data generation method based on the symbolic execution of the dangerous path
Yongdang Meng
In this paper, the traditional high fuzzing blindness, code coverage is low, low efficiency and other shortcomings of the test case generation process a study by introducing symbolic execution techniques proposed test case generation method based on symbolic execution of the dangerous path, the method...
Proceedings Article
Research on the optimal synchronization parameter of Turbo code
Yonghe Su, Mingxin Kou
When a new monitoring and control system downstream data transmission frame using CCSDS data transmission frame structure, downlink data transmission rate information is less than 8Mbit/s, using Turbo coding, the best studied different synchronous code block lengths, different coding efficiency Turbo...
Proceedings Article
Tracking technology on phase of PN code in spread spectrum communication
Shaoshuai Wang, Zebo Zhu, Gang Fu
Pseudo code phase tracking spread spectrum signal, we studied DLL, pseudo code discriminator algorithms are analyzed, with an emphasis on pseudo-code tracking loop performance analysis and simulation, obtained a series of valuable conclusions , has very important significance for the loop bandwidth settings.
Proceedings Article
Research on a modified carrier capture based on frequency analysis
Yuming Zhu, Gangzhi Wu, Gang Fu
Eliminate the impact of information and data for the hopping carrier spectrum analysis based on parallel acquisition algorithm using trigonometric function transform method using three-point quadratic interpolation to refine the frequency estimate. By this method improved to improve the accuracy of the...
Proceedings Article
A new method of processing high-rate rocket telemetry data
Zebo Zhu, Jian Chen
Aimed at the problem of the ability of high-rate rocket telemetry data process is limited, this article analyses the characteristic of telemetry data process and put forward an architecture of distributed process. And the keys of system are explained which contain telemetry data mapped, data fused and...
Proceedings Article
Construction of information security evaluation index system
Cheng Cheng, Jingpeng Wu, Shuo You, Yanhui Zhou
As we all known, information security has become an important affecting factor about the development of information technology. To efficiently ensure the information security, it is necessary to take regular evaluation for the security situation of information system. However, the basis work of evaluation...
Proceedings Article
Research on Temperature Compensation Algorithm in Torque Sensor of E-bike
Xiadong Zhang, Yunfei Li, Juncheng Jia
When using torque sensor consisting of resistance strain gauge for the torque measurement in the E-bike, there is a nonlinear problem affected by temperature. In order to solve it, the surface fitting algorithm based on least-square method is proposed in this paper. Based on the error analysis of the...
Proceedings Article
Parallel Community Detection on Massive Graphs
Bing Tian
Community detection groups a network into node sets according to their connections. It is an effective way to understanding and analyzing graph-structured data, such as social networks, collaboration networks, and bioinformatic networks. With the flourishing development of social network applications,...
Proceedings Article
Exploring on the measurement methods of shale gas content
Lina Xue, Bin Chen
Shale gas content is a key parameter to calculate shale gas in situ, it has an important significance to the evaluation of shale gas content and the prediction of resource reserves. Currently,the methods of determination shale gas content mainly include desorption method, isothermal adsorption method...
Proceedings Article
A Novel Method for Gaussian Wavelet Approximation
Hongmin Li, Yangdong Wang, Xiong Zeng
For analog VLSI implementation of continuous Gaussian wavelet transform based on CMOS integrator, a novel method for Gaussian wavelet approximation based on swarm optimization algorithm is proposed. Gaussian mother wavelet is approximated by a parameterized class of function. By using a particle swarm...
Proceedings Article
Research of the influence of propeller root on the aerodynamic characteristics of propeller
Yuan-Qiang Liu, Song Xiang, Gang Tong
In this paper the wind tunnel test is used to analyze the effect of root chord of propeller on aerodynamic performance. There were two distributions of the chord near hub of propeller, all parameters are same except the maximum chord. Two models are respectively made of carbon fiber and beech. From the...
Proceedings Article
The study of the removal redundant association rules based on Hypergraph in Large data environment
Xin-liang Li, Li-yun Liu
This paper takes the high dimensional data for large data mining technology as the research object, using the adjacency matrix and directed hypergraph detection relationship between association rule items, explores the method, classification based on spanning tree removal algorithm for detection of large...
Proceedings Article
The development of urban rail vehicle bogie virtual maintenance system
Cang Song
According to structural characteristics and repair process of Urban Mass Transit Train bogies, A method of designing of virtual overhaul Teaching System is put forward combining 3D bogie modeling, virtual scene created and Human-Computer Interaction technology, that is Pro/E as a tool for 3d assembly...
Proceedings Article
Mathematical problems related to the location of the measurement and the date of measurement
Yang Liu
We could take this subject as a mathematical project which is based on known measurement time and shadow vertex coordinate data, then solve the measurement location and date questions. We shall transform it into an optimal solution of the optimization problem, the constraint condition and objective function...
Proceedings Article
Research on the model of creative flat folding table
Yanbo Wang
In the subject one, we firstly number the legs of the table. According to the Pythagorean theorem, we can calculate the length of the table legs. Then describe the dynamic folding process of table by the change condition of angle between table leg and the ground, also we can understand the change of...
Proceedings Article
Simulation and analysis of the change of shadow length based on MATLAB for a period of time
Yanbo Wang
We can get the relation of the solar altitude and latitude, the angel of equator and latitude and the solar hour angle according to the knowledge of astronomy. Then establish a mathematical model for the length of the shadow of straight bar, in accordance with the relation of height, the length of shadow...
Proceedings Article
Research on the deficit irrigation scheduling to winter wheat at critical period based on crop modeling method
Ya-xu Wang, Hong-quan Sun, Juan Lv, Zhi-cheng Su
Less water at critical period has significant effect on crop yield. The deficit irrigation scheduling is important especially for the drought-prone area. The crop water production function frequently used for deficit irrigation analysis neither has the disadvantage in mechanism explanation. In this study,...
Proceedings Article
The Simulation Training System design program evaluation of communication equipment
Ping Gong, Xingcun Wu
According to the need to establish simulation training system of communication equipment, the paper proposes using fuzzy comprehensive evaluation method for quantitative evaluation of each alternative design program. Finally put forward the optimal design program.
Proceedings Article
Design and fabrication of a fixed device of sedenion and circular ultrasonic sensor
Saike Yang
Partial discharge of electrical equipment will seriously affect the equipment insulation.Ultrasonic array sensor is a mature tool which is used to detect the partial discharge.We design a fixed device of sedenion and circular ultrasonic array sensor,that can meet the precision demands and fixed demands.The...
Proceedings Article
Application and Research of GIS in Optimizing Power Grid Dispatchment
Xia Tian
The power load gradually increases with the development of the city construction which highlights the optimization of power grid dispatchent, and in which a new computer system, the GIS short for Geographic information system plays an important role. This text on basis of introducing GIS conotation,...
Proceedings Article
Moving Pedestrian Detection Using Normed Proposals and Key Points Matching
Wei Chen, Taihong Wang, Yong Cai
Occlusion detection and automatic adaption of a generic pedestrian detector to a specific scene are difficult problems in intelligent monitoring. When a detector trained in a specific scene is applied on a new scene, its accuracy will decrease greatly. To solve this problem, we propose a new detection...
Proceedings Article
A Tableau Decision Algorithm for Description Logic CATSbqr
Haifeng Liu
The graphical representation of the UML class diagram does not have a clear semantics, so that it is unable to auto detect the semantic errors in the model. To solve this problems, somebody provides a tools called description logic CATSbqr,which can transports the class diagram to CATSbqr knowledge base,...
Proceedings Article
The Optimal Search Region in the Sea
Xiaolei Zhang
The major assumption is that the main body of the crashed plane is complete and don't drift with flow. All the work units are not affected by weather conditions and obey the unified dispatch. The model, Determining search region, is based on the theory that the crashed plane obeys normal distribution...
Proceedings Article
The Design and Optimization of the Multi-Energy Coupling System
Maowei Zhu
This paper firstly gives the scheme of the Multi-Energy Coupling System (MECS), which can be applied to college campuses. On the basis of the traditional Combined Cooling Heating and Power System (CCHP), we add solar photovoltaic and electric car into the MECS. Secondly, we establish the mathematical...
Proceedings Article
The Multi-Energy Coupling System (MECS) Design Scheme For Campus
Xiaomeng Yu
This paper first distinguishes the Multi-Energy Coupling System (MECS) from the Energy Internet and the Integrated Energy System, and defines technique features of the Multi-energy Coupling System. Then, on the basis of the CCHP technical proposal and the photovoltaic configuration, a MECS design scheme...
Proceedings Article
Calculation of First-Level Maintenance Capacity in EMU Depot Based on the EMU Circulation Plan
Jia-nan Tong, Lei Nie, Zhen-huan He
The maintenance capacity of EMU depot(EMUD) not only depends on facilities such as washing tracks and maintenance tracks, but also depends on the EMU circulation plan(ECP). The first-level maintenance of EMU is the most usual one and is almost during night as the special situation of ECP in China, which...
Proceedings Article
Study on building electricity consumption data collection methods
Ling Cao, Pei Gang Liu, Nian Yan Huang
The stability of high energy consumption data acquisition system in addition to the traditional energy consumption data acquisition, processing and upload function, but also on the acquisition of communication protocol is analyzed and improved, to improve the accuracy of the data. Design breakpoint transmition...
Proceedings Article
Study on the pre-warning system of public opinion based on PCA and PSO-SVM
Xiaohong Hao, Kaicheng Gu, Boyu Meng
In "Internet+" era, how to real-time monitoring and build effective pre-warning systems of the network public opinion crisis has become a required courses for government departments and enterprises. This paper sufficiently considers the development,changes in laws and characteristics of the network public...
Proceedings Article
An Improved V-detector Algorithm for Wireless Sensor Network Intrusion Detection Technology based on Immune System Principle
Xiaohong Hao, Wanfei Jiang, Yifang Yuan
This paper is based on the problem of Wireless Sensor Networks (WSN) being easily invaded, but using the WSN intrusion detection model that is similar to the biological immune system the problem can be solved. After the working mode of the immune system is introduced and applied to WSN, the way to improve...
Proceedings Article
Detecting DDoS attack based on PSO Clustering algorithm
Xiaohong Hao, Boyu Meng, Kaicheng Gu
First, this article analyzes the Application layer Distributed Denial of Service(DDoS)'s attack principle and characteristic. According to the difference between normal users' browsing patterns and abnormal ones, user sessions are extracted from the web logs of normal users and similarities between different...
Proceedings Article
A Current-Compensation System for DC Offset in Transmitting Digital-Analogue Converter
Hai Dong, Zong-min Wang, Ying Kong
This paper proposes a current compensation system for dc offset in transmitting digital-analogue converter (auxiliary DAC) firstly, which solves the DC offset existing in DAC output current. It greatly enhances the flexibility of the output DC offset controlling and improves the consistency of output...
Proceedings Article
Low Power Design of Shift Registers for Silicon Micro Display
Xi Zeng, Weidong Geng, Yunqian Zhang, Jia Guo, Jiayu Liu, Jingyi Shi
A low design of condition-triggering shift registers on Silicon for display was proposed, which has a new circuit structure of input driver clock. The design only allows certain clocks to enter the register, so that the dynamic power has been reduced. It has been demonstrated that the proposed structure...
Proceedings Article
Information Flowing in Small-world network
Wang Cui
We build a small-world network model to evaluate the impact of information, regarding the participants as nodes, and taking the communication among participants as sides. We then propose the concept of importance degree of information and influence degree of participants to measure the ability of information...
Proceedings Article
Practical Assessment on Water Crisis Based on PSR and DCE
JiaYi Li
In this paper, a model is established to measure the water scarcity stage and the future water source situation. Firstly, a practical measure model is set up to evaluate the risk of water shortage in a certain area. The potential influencing factors are turned into 14 indexes. A serial of equations are...
Proceedings Article
A Resource Allocation Problem Based on GA-PSO Algorithm
Zheyu Guo
This paper proposes a scheme for resource allocation of taxi. Using SOM neural network divides the area into several areas, and calculating taxi transfer number for each area by using a method of dynamic subsidy and GA-PSO algorithm. Before and after comparing with the scheme of the taxi demand matching...
Proceedings Article
Application of VRP Model in the Transport of Water Resources in Henan Province
Ziqiao Wang
Considering the shortage of water resources in Henan Province ,we draw up an intervention program to mitigate water scarcity. The model described in this article is established for researches of transporting water from the Danjiangkou reservoir to Henan Province. The water movement reduces the uneven...
Proceedings Article
Human Abnormal Behavioral Detection for Video Surveillance
Ying Qian, Wenjing Zhang
With the increasing proportion of the elderly, fall will be a serious threat to the health of the elderly, especially elderly people who lives alone. Therefore, how to automatically detect abnormal behavior has become a key problem.Because of image recognition ,which is captured from the general monitoring,...
Proceedings Article
A COMSOL modeling of the pre-breakdown heating phase in the electro-thermal breakdown of conductive water
Yibo Wang, Dan Liao, Wen Zhang, Haiyang Sun
By using the multi-physics simulation software COMSOL, the pre-breakdown-heating phase in the electro-thermal breakdown of conductive water is modeled. In this COMSOL model, the Joule-heating module (jh) and the electric circuit module (cir) are used together to simulate the time-evolution of the temperature...
Proceedings Article
Research of license plate recognition based on HSV Space
Qian Ying, Jun Gan Sheng
In order to solve the problem of license plate recognition in a complex environment, put forward a combined with the feature of license plate color, gray features, geometric shape, a general method of license plate recognition, first of all according to the color feature of license plate of China, this...
Proceedings Article
Three-dimensional modeling of knowledge space and application in the SWEBOK
Qian Ying, Liu Neng
The proposition of SWEBOK (Software Engineering Body of Knowledge) provides criterion for the organization and effective management of software engineering knowledge. How to use SWEBOK guide the learning of software engineering related professions has become a real question. This essay constructs an...
Proceedings Article
An improved ant colony foraging behavior modeling in the application of robot path planning problem
Jian Peng, Zhiwei Bao
In order to study and apply the ant foraging theory,this paper introduced the modeling method based on agent to construct the ant colony foraging behavior model. Through constructing many effective ant behavior rules,such as the path selection rules ,which was added the function of perceiving information,the...
Proceedings Article
Prognostics and Health Management technology of Armored Gun Control Subsystem
Jialiang Li
Prognostics and Health Management (PHM) achieved the transformation from the traditional fault diagnosis to the intelligent fault prediction, it can achieve autonomous security and maintenance functions, as appropriate. Military armored equipment needs to integrate this technology to improve troubleshooting...
Proceedings Article
Research on the evaluation model and method of Smart city in small and medium sized cities
Yaqing QI
This paper from the wisdom of urban construction and management to help managers of small and medium-sized cities that lack of expert resources to better grasp the wisdom of urban construction, study the advantages and shortcomings of analytic hierarchy process in the evaluation of Smart City, determine...
Proceedings Article
An Effective Way to Process Linear Frequency Modulation Signal
Liangwei Feng, Jun Chen, Hao Wu, Feiyun Guan
WVD is most commonly used to do Signal processing in the time-frequency domain. Hough transform is a commonly used and classic way to do line detection. But in the field of engineering, there are higher demands for the speed of signal processing. Therefore, we could apply the Fast Hough Transform algorithm...
Proceedings Article
Review of recent research in nano cellulose preparation and application from jute fibers
Ling Duan, Weidong Yu
Jute is the second most important fiber in the world, which is easy to grow on all types of soil from clay to sandy loam. The popularity of jute is attributable to its abundant and cheapness, and jute fiber is mainly used in the manufacture of coarse fabrics like bags, hessian, sacking, canvas and twines....
Proceedings Article
Fast and Easy Method of Automatic Camera Calibration
Jiang You, Liwei Tang, Shijie Deng
The camera calibration with traditional methods is of low efficiency and big error, and it needs to extract boundary points manually. In order to improve the efficiency and automaticity degree of the camera calibration, a fast and easy method research of automatic camera calibration was presented. In...
Proceedings Article
Research of Logical Diagnoses of Device Tripping Based on SCADA Steady Information
Lei Shi, Yong Zhai, Chenglong Feng, Zhenyu Ruan
Based on Tianjin 220kV power grid topology structure and protection setting configurations, the alarm steady information is mined deeply. Moreover, the big data of SCADA steady information is took full advantage to realize the accurate judges of all kinds of device tripping and the auxiliary information...
Proceedings Article
FRBR Based Multimedia Digital Library of Popular Multimedia News
Yantao Qiu, Xiaozhu Zou
In this paper, we propose the development of multimedia digital library of popular news based on Functional Requirements for Bibliographic Records. The main motivation of this paper is to study the digitization of popular news, focusing on the conceptual design of a changeable data model the system is...
Proceedings Article
Using SVPWM direct torque control for permanent magnet synchronous motor
Ao Tang, Xiaonan Xin
The traditional direct torque control belong bang-bang control[1], has a relatively large torque ripple and flux ripple, The space vector pulse width modulation (SVPWM) with direct torque combined[2], can effectively suppress torque ripple and flux, This paper will apply to the feasibility of SVPWM technical...
Proceedings Article
A Release Device for Parachute and Robot
Xuanyang Shi, Junyao Gao, Jingchao Zhao, Yi Liu, Fangzhou Zhao, Haoxiang Cao, Chuzhao Liu
Parachute release device can be used in airdropping rescue robots when emergencies like earthquake and nuclear leak occur. The problem of inaccuracy exists in traditional purely mechanical design and time delay mechanism. In order to solve this problem, it is urgent to develop a suitable release device.
Proceedings Article
Research on Insertion Process of Medical Needle
Lelun Jiang, Yong Huang, Chengfeng Pan, Jintian Ling, Jiyu Li, Zhipeng Chen, Jilin Fu, Yubiao Wen
This Medical needle plays an important role in modern clinical medicine. The penetration and pull process of medical injection needle was simulated by FEM software Abaqus, and the equivalent stress and strain were analyzed. Self-developed mechanical loading equipment was adopted to test the penetration...
Proceedings Article
Research on Flashover Process of Uniform and Un-uniform Contaminated Insulator String
Yawei Li, Xinghai Zhang, Longchen Liu, Zongxi Zhang, Xiaolei Yang, Huan Bai
In order to clarify the differences of partial arc propagation process and flashover process between uniform and un-uniform contaminated insulator strings, experiments of flashover characteristics on uniform and un-uniform contaminated insulator strings have been made in this paper. The result indicates...
Proceedings Article
Research on Ethernet Communication and Remote Control of PLC and PC
Ying Li, Yao Li
The communication mode of PC and PLC based on Web and Ethernet is made of PC, PLC and Ethernet module .In the view of the limitation of the scope of PLC control, the poor integration of control system, the bad unified control of real-time, and the communication mode of PC and PLC based on Web and Ethernet...
Proceedings Article
The Research on the 180°Upender Motion and Mechanics Of Nuclear Large Pieces
Dengyue Sun, Peng Chen, Shiming Xu, Hailong Li
The attitude displacement process of nuclear power large piecesis time-consuming and very dangerous, which has became one of the important factors for improving productivity and enhancing the workpiece's surface quality.However, the research and development of upenders for nuclear power large parts is...
Proceedings Article
Change in Heart Rate Variability Indexes due to high driving workload in turning left at the intersection in real road environment
Weiwei Guo, Xiaoting Tian, Jiyuan Tan, Li Wang
The paper intends to investigate the changes of Heart Rate Variability (HRV) indexes of healthy drivers while driving on a real urban road environment in order to excavate the variation of drivers' driving workload when turning left. Electrocardiograph (ECG) was recorded continuously while drivers driving...
Proceedings Article
Multi-scenarios analysis of electric power alternatives potential based on Grey wavelet neural network model
Baoguo Shan, Dexiang Jia, Mo Shi, Shuang Zhou, Yi Sun, Molin Huo
The "Electric power alternatives" scheme proposed by China State Grid Corp in 2013, aiming at replacing coal and petroleum by electricity in terminal energy consumption. Based on Gray wavelet neural network model, a multi-scenarios analysis method is designed to predict the terminal energy consumption...
Proceedings Article
Computer network reliability optimization design based on genetic algorithm
Liping Zhang
With the rapid development of network technology, especially the development of high-speed communication network, the scale of network becomes greater, the link capacity becomes higher and the link becomes more sparse, but network reliability research is also paid more attention by people. Paper introduces...
Proceedings Article
The application of QoS technology based on NGN network
Jinyi Zhou
To analyze the implementation scheme of NGN in QoS, and conclude the key principles and requirements for implementation of NGN network QoS. To put forward a design scheme of NGN dynamic QoS based on mobile agent. And the related principle of the scheme, key points are introduced. The mobile agent technology...
Proceedings Article
Probabilistic Forecast of Electricity Price based on Adaboost_RBF method
Junli Wu, Zhen Wu, Jinhua Huang, HouYin Long, Chengjin Ye
Accurate and reliable electricity price forecasting is essential for market participants to make various decisions in the deregulated electricity market. However, due to the time-variant and nonstationary of price, which is related to change of market competitors' strategies, predicting price accurately...
Proceedings Article
The multi-object optimization of a medicine delivery system of Ebola
Yue Song
After analyzing the data from WHO, we choose Guinea to be an example to simulate our model. We rst predict the trend of infected people by using the Epidemic Model SIQR. After analyzing the epidemic of Guinea, we learn that Ebola in Guinea has reached its maximum and it is in decline now. So we determine...
Proceedings Article
Optical design of the 13 mega-pixels mobile phone camera
Pengbo Chen, Xingyu Gao
According to the market demand for high resolution cell phone camera,a 13 mega-pixels camera lens applying aspherical surfaces is designed using the ZEMAX optical design software. The lens is consisted by four pieces of aspherical plastic lens, an optical filter and a piece of protection glass. The lens...
Proceedings Article
Fuzzy control strategy of DC torque motor with DSP Builder
Yan Zhang, Xiaoyu Zhang
Due to the non-linearity, randomness factors in the process of actual control, we always can't get the accurate mathematical model of controlled object and the disturbances from outside may also cause serious influence to the controlled system, in this case using the conventional PID controller often...
Proceedings Article
A Fast Active Location Detection Schema for Adversary Nodes in Wireless Networks
Siyu Zhan, Ying Wu, Yu Xiang, Guoming Lu
The growing interest in location based service and wireless security necessitates the development of an effective scheme which can actively locate the attackers. In this paper, a novel localization scheme is proposed, called F-ALD, which can actively locate attackers without depending on any signal features....
Proceedings Article
Simulation of Land Use Dynamic Change using selected driving factors based on the method of Feature Selection
Yao-xing Wang, Ting-ting Xu, Xuan Lv, Zhi-gang Zhang
Method of feature selection was used in this paper to select dirving factors before models of land use change carried out simulation.Two different scenarios were set inthe study area- main districts of Chongqing Scenario 1) carried out land use simulation involed all the factors 2)carried out land use...
Proceedings Article
Research on energy management four wheel drive robot assisted
YinBo Du, Pengju Si, Lei Xia, Da-Hong Wang, Xian Meng
In recent years, the field of electric vehicles is the first application of the new energy industrial technology platform, with the continuous progress of human science and technology, the future car development is the inevitable direction of electric drive electric vehicle. However, wheel independent...
Proceedings Article
Study on 3D-Micro discretization algorithm of 3D printing
Xuepeng Liu, Dongmei Zhao
The matching points relation of stereo-picture is built by adjacent slices through setting up mark for matching points conforming to three rules: Minimum Distance rule, evenly--Distributed rule and the Similar Figure Topological rule through reconstructing surface of microstructure. Based on the traditional...
Proceedings Article
Discussion of dynamic adjustment approach for slightly Alkaline-Surfactant-Polymer flooding
Yajie Duan
Slightly Alkaline-Surfactant-Polymer flooding in the development process of the second oil reservoir of Daqing Oilfield had strong injection and production capability and high production rate, but dynamic response and adjustment method of each well group in different effective stages had differences....
Proceedings Article
Improving Recovery of Narrow Channel Oilfield with Applications of Borehole-seism Integration Technique
Guanghui Sheng
In block A channel sand bodies spread in small scale; the drilling rate is low; level of well control is low; under the current condition of well pattern, the accuracy sand body prediction is low; the accuracy of fault recognition is low; the injection and production relationship of single sand body...
Proceedings Article
Interfacial Activity of new hydroxyl sulphonate betaine as surfactant for EOR
Chunfeng Liu
For the question of BS11 surfactant's poor deliquescence into consideration, the hydrophilic structural of amphibious surfactant is changed and the new kind of hydroxyl sulphonate betaine surfactant BS13 is developed. We researched that the interfacial tension,IFT, between the sewage solution of the...
Proceedings Article
Research on Regional Water Resources Development Threshold Model based on Rough Sets and the Support Vector Machine
Jianjun Wang
In this manuscript, we conduct research on regional water resources development threshold model based on rough sets and support vector machine. Through the analysis of the coupling system of economic and social interaction between water resources and sustainable development mode for the coupling system,...
Proceedings Article
Finite Element Analysis and Structure Design of Sub-soiling Shovel
Long Gao, Shanshan Li, Jiangtao Liu, Degang Kong, Jinggang Yi
The 3D parameterized model of sub-soiling shovel was created using Creo Parametric 2.0 in accordance with material object. According to structures, materials, loads and stress situation of sub-soiling shovel, the static analysis and modal analysis of the model are carried out by using ANSYS Workbench14.0....
Proceedings Article
Improvements on full-profile fitting pendent drop method used for surface tension measurement
Siwei Li, Jinglong Li
Surface tension is an important parameter of liquid surface properties. In order to improve the accuracy and stability of the parameter measurement, full-profile fitting pendent drop method is utilized in this article, and algorithm to determine the initial value in two-dimensional optimization is improved....
Proceedings Article
Fan fault diagnosis based on symmetrized dot pattern and improved BP neural network
Songling Wang, Haixiao Liu, Xiaogang Xu
To accurately diagnose the mechanical failure of fan, the method based on the symmetrized dot pattern (SDP) analysis and improved Back Propagation (BP) neural network is proposed. Vibration signals acquisition of 13 kinds of running states were achieved on the 4-73 No.8D centrifugal fan test rig and...
Proceedings Article
Design of Gyro stabilized loop based on PID control
Jianping Ye, Dongxu Zhu, Huizhi Zou
In order to improve the ship shaking disturbance and wind loads on the disturbance of shipborne antenna tracking performance, position loop design of ADRC (LADRC). First, the modeling system disturbances and not as a comprehensive dynamic disturbance, to a certain type of ship azimuth servo system as...
Proceedings Article
Design on LADRC of shipboard antenna servo system
Jianping Ye, Dongxu Zhu, Huizhi Zou
Since LADRC controller contains a disturbance estimation section and be able to eliminate the estimated disturbance timely, so the system of external disturbances hardly affect the output system, simulation results show that due to the real-time estimate LADRC changes and disturbances in real time compensation,...
Proceedings Article
Performance Degradation Research of Combined Rotor Considering Rod Relaxation
Ailun Wang, Zhen Luo
Considering that we have less knowledge of performance degradation mechanism of combined rotor, performance degradation characteristics of combined rotor were discussed, from the perspective of system performance degradation caused by structural damage. Firstly, dynamic features of combined rotor was...
Proceedings Article
Kinematic modeling and verification for a SCARA robot
Chenhuan Feng, Guanbin Gao, Yongli Cao
The kinematic model of robots is to describe the nonlinear relationship between the position and orientation of the end-effector and the displacement of each joint, which is an important content of robot calibration. The coordinate systems of a SCARA robot are established according to DH method, through...
Proceedings Article
The Research on Commercial Opportunity Evaluation Model of Space Debris removal
Junjie Zhou
In this paper, to determine whether an economically attractive opportunity exists in space debris removal industry, we establish a Commercial Opportunity Evaluation Model. Based on costs, risks and benefits models, we formulate an evaluation function: COM=Benefits (1-Risk)-Cost. When is greater than...
Proceedings Article
The Research on The Time-Dependent Evaluation Model of Space Debris Removal
Junjie Zhou
In this paper, we build the Time-Dependent Alternatives Evaluation Model to determine the best alternative or combination of alternatives to remove the space debris. The model is consist of three small models, such as Costs, Risks and Benefits models which are time-dependent models. After consulting...
Proceedings Article
Dynamic debris tracking model about the lost plane's wreckage debris
XiaoRui Li
In the paper, we research how to locate the crash area of the lost plane. We take ocean currents, wind-driven currents etc. into consideration. Defining the best searching radius , we can obtain the best searching area. Wreckages are moving, we renew the searching area using . And we color these circle...
Proceedings Article
The Prediction of Temporal-Spatial Distribution of Space Debris
XiaoRui Li
In this paper, we establish a Temporal-Spatial Distribution of Space Debris Prediction Model based on Kessler model. We deduce debris' flux and the probability that space objects be hit by debris in certain space-time. Next, we make predictions about debris' distribution with different diameters, in...
Proceedings Article
The valuation of the loss caused by space debris
An Wang
This paper main provides some mathematical methods to calculate the distribution of the space debris and the damage they brought each year. Through the statistical data recorded by NASA, we can get the flux and the amounts through Kessler model. When combined with NASA's Break up model, the debris' classification...
Proceedings Article
The rescue strategy of the search for a losing aircraft by planes
An Wang
This paper solves the problem based on the accident of the lost Malaysian flight MH370. Because lacking of the flight data after the plane losing contact, we define an enough big object searching region. According to the search area all the recue planes can search one day and the distribution of the...
Proceedings Article
Stress Analysis of Double Row Anti-slide Pile
Hao Tang
Double row pile as a retaining structure in slope reinforcement and foundation pit support engineering and many other neighborhoods, it has a wide application. But due to the complexity and difference of the soil around the pile, the interaction mechanism between pile and soil is not clear. Calculated...
Proceedings Article
Calculation of high speed water column pressure on the inner barrel in the gun water-projectile test based on CFD
Zefeng Zhang, Jianping Fu, Yingxiu Cao
It is hard to get the pressure of high speed water column on the inner barrel through the gun water-projectile test. In order to optimize the design, the calculation model of the pressure in the body tube is established. Two dimensional numerical simulation was carried out for gun water-projectile test's...
Proceedings Article
An Improved Optimization Algorithm for Timed Petri Net Based on Genetic Algorithm
Tingpeng Li, Nantian Wang, Yue Li, Yanling Qian
A variety of theoretical and practical work exists on Petri-net-based optimization algorithm. However, the efficiency of optimization is still the bottleneck of its application, especial for NP problem (e.g., Flexible Manufacturing System (FMS) scheduling problem). In order to improve the optimization...
Proceedings Article
Analysis and simulation on measurement error of costas loop
Yue Feng, Guangzhi Wu, Gang Fu
In receiver design, how to choose the loop phase detector and loop filter carrier tracking loop is critical. Due to the Doppler frequency difference uncertainty exists, the carrier phase direct capture a greater degree of difficulty, and the frequency was able to capture most quickly eliminate the Doppler...
Proceedings Article
Design and Implementation Fast Correction Phase System of Ship-borne Dynamic Platform
Ren-long Li, Guang-zhi Wu, Ming-xin Kou
The traditional calibration phase just can meet the he static tower condition at pier, but can not use for the dynamic target. The Fast Correction Phase model is built for Ship-borne Dynamic Platform of tracking and control radar. The anti-cosine method is put forward to calculate phase difference. Then...
Proceedings Article
The research of a modified estimate scheme for the satellite link level
Xiao Wang, Qian He, Yuming Zhu
The traditional estimate method adopted man-made calculation as for the satellite tracking and control link level. But this model was simple for the most of calculation was adopted the experience data, and did not think over the complicated influence factor. In order to do better on the estimate precision...
Proceedings Article
Optimization of coherent integration algorithm on uniformly accelerated goal based on B-DCFT
Guiping Zhang, Yunxiang Jia, Gang Fu
Target uniformly accelerated motion, when SNR is almost zero, only using DCFT accumulation method can not achieve the goal of uniformly accelerated motion detection effective accumulation. To solve this problem, derivation and analysis of the echo signal model and the characteristics of the signal model...
Proceedings Article
Research of power combining efficiency based on standing principle
Gang Cheng, Xiao Wang, Yuming Zhu
Combining efficiency with previous research, this paper from the perspective of outgoing feeders start by analyzing a shipborne USB full-band solid state power amplifier VSWR test data, concluded: transmit power and there is a certain function of SWR, VSWR the frequency greater than 1.4 SSPA unable to...
Proceedings Article
Research on the internal development human resource management system
Xiao Gao, Xiaoxi Wang, Pin Lv, Ningning Huo, Xiao Xu, Fa Wang
Internal development human resource management system is a system which originated in Japan is considered a high performance human resource management system. A large number of Chinese enterprises, especially the state-owned monopoly enterprise have the typical characteristics of the internal development...
Proceedings Article
Study of far-end crosstalk between LTCC microstrip lines
Yuming Wu, Zhaohua Wu
In order to reduce far-end crosstalk between LTCC microstrip lines, this paper proposes a novel structure that has an air-cavity in dielectric layer. Simulation model of LTCC microstrip lines was set up by using Ansoft HFSS, the far-end crosstalk (S14) was obtained, the effects of cavity height, cavity...
Proceedings Article
Investigation of the Flow Characteristics of Droplets in Non-uniform Electric field
Zhonghua Gao
The motion behavior of droplets under non-uniform electric field is an important branch of the study of electro-hydrodynamic. In this paper, the theoretical analysis of the force of droplets in the non-uniform electric field are carried out, and the study found that the deformation, surface charge density,...
Proceedings Article
An Optimized Flight Control System of Quad-rotor Aircraft
Xiaoning Chen, Hongting Dong, Dexiang Zhang, Jing Xia
The flight performance of four-rotor unmanned helicopter depends largely on the flight control system, the flight control system was mainly consisted of attitude algorithm and controller. During design time, firstly, in order to real-time update for the quaternion , we fused the data of gyroscope accelerometer...
Proceedings Article
Numerical Simulations on Aerodynamic Characteristics of a Guided Rocket Projectile
Jiazhong Peng, Liangyu Zhao, Longyin Jiao
Aerodynamic characteristics of a guided rocket projectile are numerically simulated. Simulations are performed in a range of flight conditions using a commercial CFD software FLUENT, and variations of lift coefficients and drag coefficients with Mach numbers and angles of attack were demonstrated. The...
Proceedings Article
Magnetic Interference Analysis Caused by Magnetic Survey Pod Track Fluctuation in Helicopters
Yuhui Sun, Chunsheng Lin, Jianyang Zhao, Guojun Zhai
The track fluctuation of helicopter pod used for magnetic survey can cause interference with magnetic field measurement results. By simulating the small fluctuation of inclination angle and drift angle,the pod track fluctuation in airborne coordinate system and the helicopter track fluctuation in geodetic...