Proceedings of the 2012 International Conference on Computer Application and System Modeling (ICCASM 2012)

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400 articles
Proceedings Article

Study on Scene Simulation Federate of Plane’s RMS Requirement Determination Simulation System

Jun Cao, Yufeng Sun, Guangyan Zhao, Linjie Kan
Scene simulation technology has been developed into a research focus with the military simulation development. The key technologies of the scene simulation federate are discussed in this paper, and then the method of integration between HLA and Vega, and the way of keeping the integrality of scene simulation...
Proceedings Article

Research on Object-oriented System Analysis Modeling Based on Transitional Modeling with UML

Zhiheng Sun, Lei Huang
Development of information systems is becoming more and more complicated, especially in business fields. The major development mode is based on UP, which can be called a development process standard. In this paper, the probable problem of abrupt conversion from business modeling to system modeling based...
Proceedings Article

The Improvement of The Total Flow-Time Problem under The Non-Idle Machine Constraint of Two Machine Open-Shop

Lin Liu, Weifeng Liu
The total flow-time problem of two machine open-shop is NP-hard in strong sense. For the above problem without constrains, an explicit solution is constructed in this paper from the optimal schedule under the non-idle machine constraint, its total flow-time is reductive. The explicit solution under non-idle...
Proceedings Article

A Study on the Taboo Search Algorithm for the Open Vehicle Routing Problem with Hard Time Windows

Shuxia Wang, Ying Xiong, Zengqiang Wang
In this paper studying open vehicle routing problem, a taboo search algorithm for the open vehicle routing problem with hard time windows is proposed. After constructing a mathematical model for the problem, this paper focuses on the introduction of the design procedure of TS algorithm for solving the...
Proceedings Article

Security Research about Asp.net Web Application

Zhenjun Fan, Zhenmei Fan
The implementation method and security measure of security about improving Asp.Net application are discussed from two aspects: .Net security platform frame design and application design. The Principles and characteristics are analyzed in detail from the platform frame design level, the specific implementation...
Proceedings Article

Embedded Video Processing Based on Davinci Platform System Design

Gang Wang, Jun Cheng
This paper main adopts TI company‘s TMS320DM6446 DAVINCI series chip designed for a set of video processing system. The system through the simulation of incoming video on A/D conversion, and then through the DSP end compression processing, thus realize real-time transmission and the large capacity of...
Proceedings Article

Design of IVS Based on the Davinci DM6446

Gang Wang, Liwu Song
The technology of Davinci contains Davinci processor, related software, development environment, algorithm library and some other technical support. This paper designs the software and hardware to complete the intelligent Video Surveillance such as motion detection, self-tracking, analysis and determine...
Proceedings Article

Modelling of Flexible Vehicle Arresting Systems

Yueqiao Chen, Pak-kin Wong, Zhengchao Xie
As the car bomb incident becomes more prevalent globally, in order to protect people lives and avoid the complete destruction of the suspected vehicle, a promising solution is to use flexible vehicle arresting systems, which generally absorb the kinetic energy of the suspected vehicle using energy absorbers...
Proceedings Article

Improving the Security of N-user Quantum Key distribution with N Quantum Channels

Xiaofen Liu, Licong Chen, Rijing Pan
In a recent paper [C.H. Hong et al., Opt. Commun. 283 (2010) 2644], a n-user quantum key distribution protocol with n quantum channels was presented. By analyzing its security, it is shown that this protocol is insecure for Trent, a dishonest third party, who can steal the key without being detected...
Proceedings Article

Using Middleware to Connect STK and RTI

Jian Yang, Jian Huang
Currently, the simulation development faces the requirement of interconnection on applications. The middleware provides a way to deal with this problem, and improve the level of interoperability between applications. STK has been used widely in simulation analysis applications in spaceflight field. In...
Proceedings Article

A Novel Resource Allocation Strategy of Virtual Cluster Based on QOS

Feifei Liu
How to effectively allocate computer resource to satisfy the users’ different QoS requirement is one of most important issues of building virtual high performance computing environment. To address this problem, this paper presents a novel resource allocate strategy in which the slowdown degree of users’...
Proceedings Article

Cable Modeling Technique in Virtual Assembly for Satellite System

Yuan Liu, Hui Li, Limin Dong
At present, physical verification of cable assemblies is mainly through simulation assembly in actual project. However, it leads to problems of a long period of production design and high cost. Virtual assembly technology and the development of related technologies provides a new idea for solving problems...
Proceedings Article

A Design of the Model for Smart Home Gateway

Deguo Yang, Honglei Zhang
A gateway is needed to control the smart devices at home. However, how to maintain or obtain the devices and form a mesh or tree shape topologies is still a question. There should be a model to form the architecture for the smart home objects. In this paper a multi-hop routing mechanism is proposed for...
Proceedings Article

The Restriction of Qualitative Reasoning Result Based on Rough Set Theory

Anyuan Han, Dongxing Fang, Anjing Han
From the analysis existing problems of Qualitative reasoning results, the necessity of qualitative constraints was put forward. Several existing Qualitative constraints were summed and a new qualitative constraints - rough qualitative constraints was advanced, which uses rough set attribute reduction...
Proceedings Article

E-commerce Security Research

Hanrong Chen, JunMei He
With the speed of computer network development, more economic activity went into the Internet era. It completed through the Internet such as online shopping, bank transfer and other commercial activities. The most important thing is for e-commerce security, e-commerce web site e-commerce activities,...
Proceedings Article

A Method for Determining Scale Factor of CFAR Detector Based on BP Neural Networks

Ling Dang, Pingjun Wang, Zhikai Wang
As applying constant false alarm rate (CFAR) detection algorithms, an important task is to determine its scale factor according to given false alarm probability. When analytic expression of scale factor vs false alarm probability is difficult or impossible to be obtained, simulation is adopted traditionally....
Proceedings Article

Comparison of Different Fault Detection Statistics Detectability in PCA

Tian Qiu, Xiaojing Bai
Detectability of the sensor fault detection system is the basic criteria for selecting of different fault detection statistics. and in MPCA are compared with . The complementary among them is analyzed qualitatively. Results of power plant data simulation show that and in MPCA can improve sensor fault...
Proceedings Article

Frequency-hopping Signals Analysis Based on FPGA

Dong Pei, Zhongxing Tao, Huixin Pei, Lijun Chen, Yan Gao
A method which bases on FPGA to realize the frequency-hopping (FH) signal analysis system is proposed. It designs a Radix-4 DIT FFT processing unit circuit firstly, then makes a Short-Time Fourier Transform(STFT) to FH signal and gets spectrum amplitude values. According to the features of the spectrum...
Proceedings Article

Study on the Hourly Performance of A Solar Driven Ejector Refrigerant System

Huifan Zheng, Xiaowei Fan, Lihe Zhang
An experimental setup about solar ejector refrigeration is designed and built using HFC134a as working fluid in this paper. Based on Zhengzhou meteorological parameters, the hourly coefficient of performance(COP), energy efficient ratio(EER), cooling capacity and other parameter about the ejector refrigeration...
Proceedings Article

Sensor Fault Diagnosis Method Based on Support Vector Regression

Xianhao Shen
This article design a sensor fault diagnosis system base on Support Vector Regression. SVR is trained out of line, and used online. After being trained, SVR is used to simulate dynamic characteristic of diesel engine temperaturecontrolling system. The simulation result shows that, SVR can simulate the...
Proceedings Article

The Shredding Test and Simulation of Steel-plate of Scrap Automobile

Cunshan Xu
The shredding test and simulation of steel-plate of scrap automobile are mentioned in this text. The result of experiment and simulation are compared. The situation of experiment and attaining the simulation result by the postprocessor program of ANSYS has found a reliable analysis method. The engineering...
Proceedings Article

Strong Coupled Agglomeration Multigrid for Navier-Stokes Equations on Unstructured Grids

Zongzhe Li, Zhenghua Wang, Wei Cao, Lu Yao
This paper focused on a series of agglomeration multigrid techniques for the numerical solution of the 2D/3D Reynolds Averaged Navier-Stokes equations on cell-centered unstructured grids, which conform with FVM discretization scheme. We explore a new agglomeration strategy to automated generate coarse...
Proceedings Article

Features Extraction and Matching of Teeth Image Based on the SIFT Algorithm

Xinzui Wang, Huanli Li, Ningning Dong
Using of SIFT algorithm in the image of teeth model, can detect the features of the teeth image effectively. In this approach, first, search over all scales and image locations by using a difference-of-Gaussian function to identify potential interest points that are invariant to scale and orientation....
Proceedings Article

A 3D Simulation System for Wireless Communication

Jingbo Mao, Lin Wang, Yan Meng
The paper discussed the key techniques to build 3D simulation environment for wireless communication system based on Vega Prime and HLA. The LOD with 2D symbols and size-keeping rendering for communication entities are designed to improve the usability and intelligibility. The invisible electromagnetic...
Proceedings Article

New Exact Periodic Wave Solutions of the Nonlinear Klein-gordon Equation

Jianzhong Hao, Li Zhuo, Ting Wang, Jinbo Liu, Gang Liu
To the non-linear Klein-Gordon equations, the undetermined assumption method is used to get the exact periodic wave solution in the form of Jacobi elliptic function fraction and with the asymptotic values non-zero. The condition for their existence and boundness are obtained and the impact of the change...
Proceedings Article

Aircraft Flight Simulation with Landing Gear Based on Multi-Domain Modeling Technology

Ming Li, Xiangyu Hao, Xuefeng Han, Hongguang Jia
This paper create a full aircraft flight simulation model for accurately analyzing the performance and influence of landing gear system. The use of multi-domain modeling technology enables detailed modeling of the flight dynamic and landing gear dynamic. The simulation results show that the aircraft...
Proceedings Article

The Study of Data Security Transmission in Chain Businesses

Pingping Dong, Jian Guo
this text analyses the development of SMES and a new generation of chain enterprise management information system requirements for network data transmission. It mainly focuses on research how to ensure the important data transmission security between each branches and head office with present net security...
Proceedings Article

Application of OPC in the Intelligent Building System Integration

Jie Chen, Xiuli Sun, Ruiyuan Jia
System integration is to integrate every weak current subsystem in the building on a computer network platform to realize sharing of information, resource and task, this platform can receive or transmit data and information of subsystem by network, serial port and data base to achieve control of every...
Proceedings Article

Application of Interior Digital Display in 3D Effect Drawings

Sirong Liu
ever since the human beings created the first piece of work tool by consciousness, during the millions of years, the behavior of art design has always been in every step of the development course of human history. Along with the development of times and civilization, there are always new artistic expression...
Proceedings Article

Study on PID Control System Based on Genetic Algorithms

Linna Li, Wanbao Bo, Bin Jiang
As for the characteristics of hysteretic, nonlinear and time-varying after aeration process, the control of the dissolved oxygen concentration DO is as the mathematical model object, with the use of fuzzy PDI control strategy through the comparison among the MATLAB simulation, PDI control and the applicable...
Proceedings Article

Strategies of Daily Economical Dispatch Considering Large-scale Wind Power Integration and Electricity Contract

Dongrong Jiang, Shan Li
In power market environment, before the electrical transaction, the power companies not only consider the bids of power plants, but also pay attention to the original purchase contract with the original power plants. With new energy requirements increase, it is not be neglected for the large-scale wind...
Proceedings Article

Scheduling Strategies for the Thermal-hydro Coordination Based on the Large System Theory in Electricity Market

Dongrong Jiang
In the electricity market, the first problem considered by the power grid company is the safety and economy of power grid. So, the power grid company must not only ensure the power grid safety but also consider the effects of power transaction and the thermal-hydro coordination in the daily scheduling...
Proceedings Article

Research on Dynamic Simulation and Optimization of Hospital Medical Process

Quanyu Wang, Yahao Wang, Jinmiao Jia, Xin Liu
The hospital medical treatment process can be modeled as a queuing problem. If the allocation of medical devices and resources is not well optimized, then the passing rate will be low and patients have to be waiting in the queues for a long time. This paper analyzes the hospital medical process and proposes...
Proceedings Article

Simulation of Discharge Characteristics of Ferroelectric Ceramics Transducer Based on Simulink

Lin Gu, He Zhang, Xiaojing Zhang
To analyze the depolarization and discharge effect of ferroelectric ceramics, the physical model of ferroelectric ceramics depolarized by the vertical shock wave is established. Equivalent circuit of the depolarization is built. The mechanical structure of the transducer is designed. The shock wave initiated...
Proceedings Article

A Method for Correcting The Error in Indicated Normal Acceleration Due to GSensor Location

Yi Mi, Mingtai Chen
Particularly for structural purposes, it is important to obtain accurate measurements of the normal acceleration at the Center of Gravity of an aircraft. For most airliners and fighters, the g-sensors are located away from the Center of Gravity (C.G.). Theoretical mechanics shows that, depending on the...
Proceedings Article

A Novel Lips Detection Method Combined Adaboost Algorithm and Camshift Algorithm

Feng Wen
The lips detection has a very unique role in identification and tracking, voice recognition, lipsreading and so on. This paper proposed a new lips detection method by combined Adaboost algorithm and Camshift algorithm. First, detects the lips by the lips classification which trained by Adaboost algorithm,...
Proceedings Article

The Design of Fast Storing Testing System Based on Projectile-borne

Yufa Tang, He Zhang, Yan Chen
A high-speed storage testing system based on C8051F340 is introduced in the paper. The system is small in size, with high impact and more hostile environment resistance, low power consumption. It can be placed in the projectile with diameter of 25mm or above. Using the secondary memory technique, it...
Proceedings Article

Adaptation and Maintenance of Multi-agent Systems using Reaction Rules

Xiao Liang
Software systems must be adaptable and maintainable in a business environment to remain useful. Business rules are central to business requirements and their adaptability and maintainability is the key to keep systems up to the changing environment over time. In this paper, we propose reaction rules...
Proceedings Article

The Research of Data Mining Algorithm Based on Association Rules

Lei Chen
Based on in-depth study of the existing data mining and association rule mining algorithms, a new mining algorithm of weighted association rules is proposed. By introducing a support factor of the weighted frequent item sets, a reasonable minimum support is set. The algorithm does not need to repeatedly...
Proceedings Article

A Delay Arming Technical Scheme for Underwater Rocket Fuze Based on External Conformal Turbine

Dezhang Shen, He Zhang, Haojie Li
To solve underwater rocket fuze precise delay arming problem, a new delay arming technical scheme based on external conformal turbine is proposed, at the consider of underwater rocket fuze appearance and the particularity of underwater environment. The general scheme is presented, and designed the distance...
Proceedings Article

Modeling and Analysis of Multilingual Information Resources Scheduling in Data Grid

Yaojun Han, Xuemei Luo
The multilingual information resource scheduling problem becomes complex, as resources are distributed, heterogeneous, autonomous and multilingual. A multilingual information resources scheduling architecture for data grid is presented in this paper. Petri net is a powerful graphical and mathematics...
Proceedings Article

An Expressive Attribute-based Signature Scheme without Random Oracles

Dan Cao, Tianzuo Wang, Xiaofeng Wang, Jinshu Su
Attribute-based signatures (ABS) is a new cryptographic primitive and can play a great role in attributebased access control systems. In ABS, a signer can choose its attributes satisfying a policy of a verifier to generate a valid signature without reveal its identity or attributes, while the signature...
Proceedings Article

Fuzzy Clustering Research on Mobilization Enterprises

Ziyao Li
By means of fuzzy clustering analysis, this paper does clustering research on mobilization enterprises under crisis condition with the help of MATLAB platform. On the basis of different degree of membership, it gets classified configuration of mobilization enterprises in different conditions. The paper...
Proceedings Article

Application of Web Page Classification in a Domain-specific Search Engine

Chunyan Liang
Automatic web page classification can be used in domain-specific search engines to help users get the specific information more conveniently and precisely on Internet. The semantic similarity and noisy data in domain-specific web pages make traditional classifier perform poorly on them. In this paper,...
Proceedings Article

Speech Emotion Recognition System Based on Integrating Feature and Improved HMM

Zhiyan Han, Shuxian Lun, Jian Wang
This paper described a new speech emotion recognition system by use of Hidden Markov Model (HMM) aiming at improving speech emotion recognition rate. Seven discrete emotional states (anger, disgust, fear, joy, neutral, sadness, surprise) are classified throughout the work. It integrated different speech...
Proceedings Article

An Optimal Model and Solution for Resource Scheduling in Cloud Computing

Qiang Li
Resource scheduling based on SLA (Service Level Agreement) in cloud computing is NP-hard problem. There is no efficient method to solve it. This paper proposes an optimal model for the problem and gives a solution by applying stochastic integer programming technique. Applying Gröbner bases theory for...
Proceedings Article

Finite Element Analysis of Semi-Solid Die-Casting Technology of Magnesium Alloy Hook Based on AnyCasting

Hanwu Liu, Fan Feng, Junming Liu
According to the die-coasting forming principle, several ingates of different sizes and semi-solid die-casting technology parameters were designed in this paper. The solid modeling of the casting was created based on Pro/E software. The simulation of the filling process of semi-solid die-casting of Magnesium...
Proceedings Article

The Research and Implementation of Embedded TCP/IP Protocol Stack

Jian Xu
With C/OS-II as embedded real-time operating system and LWIP as protocol stack in embedded system, C/OS-II and LWIP are transplanted to constitute the software platform. The hardware platform is constituted by the LPC2210 as MCU, RTL8019AS as the Ethernet controller chip. The thesis mainly elaborates...
Proceedings Article

Modeling and Simulation of Three Phase PWM Rectifier Based on One-cycle Control

Shutuan Zhang, Zhijun Pi, Zhicai Xiao
In this paper, the three phase rectifier based on onecycle control technique is introduced. The operation principle of the one-cycle control is given, and the simulation models based on the saber software is constructed. The simulation results show that the input current of the rectifier is identical...
Proceedings Article

Parametric Design of Straight Bevel Gears Based on Solidworks

Yuxia Shan, Wei Zhang
The Visual Basic program of standard straight bevel gear’s parametric design based on Solidworks software was completed. The geometric features of bevel gears were analyzed, parametric design variables were defined, each control point was determined in Cartesian Coordinate System. In development of the...
Proceedings Article

A New Interpolation Algorithm in Fast Radiative Transfer Model

Yi Yu, Weimin Zhang, Qunbo Huang, Lu Yao
Many schemes of interpolation can be used for mapping from various coordinates of the numerical weather predictions (NWP) to the vertical coordinates of data assimilation systems. While most of the schemes do not imply the availability of a corresponding vertical mapping between the coordinates, even...
Proceedings Article

A Cloud Parameters Retrieval Algorithm in the Variational Assimilation System

Qunbo Huang, Weimin Zhang, Yi Yu
According to the past experience of retrieving cloud parameters, the assimilation of cloud-affected infrared radiances is a difficult problem in the numerical weather prediction. Based on our own four-dimensional variational assimilation (4D-Var) system’s characteristics, we have designed our own cloud-affected...
Proceedings Article

A Novel Routing Algorithm in Wireless Ad Hoc Network

Zuchun Ding, Wenying Mo, Jian Chen, Lei Lei, Xinghong Qin
This paper suggests a novel algorithm of wireless ad hoc network. This algorithm has the features of adaptive clustering, multiple layering and treelike topology, with excellent abilities in autonomous network construction. The algorithm also suggests effective measures for handover and communication...
Proceedings Article

Research on Anomaly Intrusion Detection Based on Rough Set Attribute Reduction

Cuijuan Liu, Yuanyuan Li, Yankai Qin
With growing amount of network information flowing, the limitations of the traditional network IDSs are more and more outstanding, it couldn’t adapt to the trend of increasing novel network attacks and data quantity. Rough Set’s reduction theory can effectively avoid redundancy, reduce the extra attributes...
Proceedings Article

Design and Implementing of Meteorological Data Management System

Xiong Jia, Weimin Zhang, Yi Yu, Yaolei Qin
Based on characteristic of meteorological data, meteorological data management system(MDMS) is designed and implemented. It is divided to client-side and server-side parts. The server-side which is responsible for meteorological data archived retrieved uses two-tier design, including logical server and...
Proceedings Article

Test Frequency Selection of Analog Circuit Based on Discrete Particle Swarm Algorithm

Zhigang Zheng, Liang Wu
A method of optimal test frequency selection for analog circuit fault diagnosis is proposed. The method simulates the circuit faulty states only in the bands with highest fault sensitivity and that reduces part of simulation cost. Test frequency selection is considered as a multi-objective optimization...
Proceedings Article

Metamorphic Testing of Spatial Distance Measuring Function of GIS

Song Huang, Yiting Duanmu, Zhanwei Hui, Mengyu Ji
Spatial distance calculation is a basic and primary function of GIS, however due to the complication of the algorithm and the existence of rounding and truncation errors, it is very difficult to obtain the oracles of the implementation, so traditional testing methods face great challenges. Metamorphic...
Proceedings Article

Research on Three Phase Rectifier Based on one Cycle Control Used in Aircraft

Shutuan Zhang, Yan Li, Dongmei Wang
The three-phase rectifier that adopted one-cycle control technique used in the aircraft is introduced in this paper. The One Cycle Control (OCC) principle and the operation principle of the rectifier are presented. The double loop control is adopted in this paper. According to the mathematical model...
Proceedings Article

An Improved Quantum Evolution Algorithm and Performance Analysis

Yi Zhang, Xiuxia Yang, Shaolei Zhou
To tackle the shortcoming of deficient using of feedback information in quantum-inspired evolutionary computing and catastrophe such as quantum mutation, the improved quantum-inspired evolutionary algorithm (IQEA ) is proposed. The crossover and mutation operators of genetic algorithm are introduced...
Proceedings Article

The Computer Implementation of Econometric Model

Haitao Sun
Based on the application of software like MATLAB and Excel etc., the article gives focus on the detailed implementation of economic model. The article introduces the basic knowledge of econometric model and model building method, elaborates on the application of econometric model in survival model, and...
Proceedings Article

Control Algorithms and Control Strategies for Variable Primary Flow Chilled Water Systems

Jinming Yang, Yi Lin
In recent years, variable primary flow control technology for chilled water systems has played an important role in energy saving. How to design the control system with appropriate control algorithms control strategies is particularly important This article described the prerequisite for the realization...
Proceedings Article

Research on Modeling Product Service Network Oriented to Product Lifecycle

Ji Li, Rong Mo
The merge and interaction of manufacturing and services trigger emergence of service-embedded manufacturing paradigm. Due to the development of this advanced manufacturing paradigm, product Service Network modeling is proposed in this paper. Firstly, the concept and characteristics of the network as...
Proceedings Article

The Design of Control Force Measurement Device for Aircraft Quick Evaluation Flight Test

Dawei Zhang, Mingtai Chen, Yi Mi, Chaoqiang Liu
The design and installation of control force measurement device for quick evaluation flight test was difficult due to not enough time and fund available. Three control force indication devices were assembled and tested. They were spring balance, control force indication glove and FlexiForce indicator....
Proceedings Article

Two-parameter Alteration of B-splines

Yajuan Li, Mingzeng Yang
Altering one or more knots of B-spline curves and surfaces, points of curves and surfaces will move on well defined curves called paths. Letting the knot value tend to infinity, the limit of the paths will be computed in this paper. The effect of two-parameter alteration of B-splines is discussed.
Proceedings Article

Static Thrust Measurement for Propeller-driven Light Aircraft

Mingtai Chen
Since in-flight thrust is a calculation based upon a number of separate measurements. Only on the ground, either in an engine cell or during a static thrust run, do we actually measure thrust using load cells. In this thesis a device was devised to measure the static thrust of propeller-driven light...
Proceedings Article

The Application and Research of Remote Video Surveillance System

Xinxin Sun, Wenhong Hu
This article is on the application and research of remote surveillance system in the statement of the functions of video surveillance system. It overall introduces a whole set of the system structure of video surveillance system, the general design of the hardware and the communication protocol in the...
Proceedings Article

Face Tracking Based on Skin Color and Motion Prediction

Jing Sun
Aimed at the disturbance caused by illumination variations and similar skin color regions in the video scene which will greatly affect face tracking accuracy, and in order to enhance the real time performance, a novel approach for face tracking based on skin-color information and motion prediction is...
Proceedings Article

Comparison Analysis of Atmospheric Methane Absorption Cross Section

Xiuying Liao
Methane is an important anthropogenic greenhouse gas and is increasing steadily since the industrial revolution. SCIAMACHY on ENVISAT is the first satellite instrument whose measurements are sensitive to concentration changes of methane gas at all altitude levels down to the Earth’s surface where the...
Proceedings Article

A Multi-target Tracking Algorithm Based on Auxiliary Information

Chao Chen, Wenyi Qiang, Xiaowei Shan, Shiyou Hu
This article presents a study for reducing the complexity of data association in multi-target tracking by using the target location data and associated Doppler information measured by radar. A scenario of using characteristic parameters to modify the nearest neighbor algorithm is illustrated in the study...
Proceedings Article

Design of Drive and Control System for “Bird”

Xiaoqing Zhang, Weijing Zhang
In order to control the rotation of hydrofoils of “bird”, further to control the position and orientation of marine seismic streamers, a design solution for drive and control system is provided in this paper. Worm Gear Drive mechanism is used as transmission mechanism, some sensors and intelligent meters...
Proceedings Article

A Selection-route Model and Its Algorithm for Military Logistics Delivery in an Emergency

Guiqiang Wang, Jidong Qi, Yuyi Zhang, Jinhua Li, Fuqian Yang
A vehicle routing problem in a war is discussed, in which some routes may be destroyed uncertainly by competitor. A two-stage integer program model is constructed. The value of a route in a uncertain situation is analyzed. Find a method to simply the computation of the object value of the model. In the...
Proceedings Article

Parameter Optimization Design of Hard Rock Roadheader Cutting Head Based on PSO

Xiaohuo Li, Zhisen Liu, Dan Wang, Yejian Li
In order to choice reasonably cutting head parameters for a hard-rock roadheader, to improve its cutting performance, to make better the economy of cutting, taking a rotating speed, a horizontal swing speed, an average diameter and a length of a cutting head as design variables in the paper, objective...
Proceedings Article

Micro Mechanical Force Sensor Application Situation and Expectation Analysis

Hao Ding, Jin Zhu, Yuping Qin, Shuang Zhang
Sensor’s microminiaturization is one of the important developing direction of the sensing technology. Micro mechanical processing technology is based technology of micro silicon sensor, and is also used to make micro actuators and microelectromechanical system technology, The appearance of micro mechanical...
Proceedings Article

A Spatially Adaptive Denoising Algorithm Based on Curvelet Transform

Peng Feng, Feng Yang, Biao Wei, Deling Mi
A new approach for image denoising based on the Curvelet transform is presented in this paper. The existing theory for Curvelet and Ridgelet suggests that these new approaches can outperform wavelet method in certain image processing including image denoising, edge detection and image enhancement. However...
Proceedings Article

RASN: Resist on-off Attack for Wireless Sensor Networks

Pengzhi Shi, Haiguang Chen
Reputation Based Framework for Wireless Sensor Networks(RFSN) represent soft security mechanisms that complement traditional information security mechanisms. RFSN can prevent malicious of data from internal adversaries or faulty nodes. In this paper we add a new architecture called Trust-Holding-Agent...
Proceedings Article

Design of Helicopter Training Simulator

Wei Chen, Jingchao Lu, Rui Nie
Based on the aerodynamic parameters and control law of certain helicopter, a helicopter training simulator is designed. The recursive execution procedures of the actuators are written by C language, the helicopter equation of state is solved by Runge-Kutta, the navigation calculation module is designed...
Proceedings Article

1D Infrared Camera Distortion Based on Polynomial Model

Wenjian Qin, Zhicheng Li, Jia Gu, Ke Chen, Xiaoping Zhang
In this paper, we propose a novel method for 1D infrared camera distortion based on polynomial model. We derive a 1D camera calibration algorithm and then estimate the distortion parameters by means of minimum calibration error. The used polynomial model is linear, such that the estimation can be finished...
Proceedings Article

A Scheduling Algorithm for Fork-Join DAG in Bus-based and Heterogeneous Environment

Lisheng Wang, Liguo Chen, Kete Wang
The Fork-Join task graph is one of the basic modeling structures for parallel processing. However, many previous scheduling algorithms ignore to economize processors and minimize the total completion time. What’s more, many algorithms don’t consider the competition caused by bus-based clusters and the...
Proceedings Article

A Pitch Detection Algorithm for Ultra-low-bit-rate Vocoder

Ye Li, Jingsai Jiang, Qiuyun Hao, Yanhong Fan, Xiaofeng Ma
Pitch is one of the most important parameters to describe the speech characteristics. The paper proposed a new pitch detection algorithm for ultra-low-bit-rate vocoder based on dynamic programming as well as frequency-time domain analysis to eliminate the multi-half pitch errors. The algorithm detected...
Proceedings Article

A Real-time Underwater Speech Communication System

Jingsai Jiang, Xiaofeng Ma, Ye Li, Yanhong Fan, Qiuyun Hao
With frequency hopping (FH) communication system and ultra-low-rate speech coding technology, the paper designed a real-time underwater speech communication system, for which the hardware solution is also given. In the system, the part of source coding is a 300bps vocoder based on enhanced mixed excitation...
Proceedings Article

Apply with WASP Water Quality Model

Lifen Hao, Xingwen Bi, Lianbiao Cheng
WASP(The water quality analysis simulation program) was recommended by EPA used as water quality model. It has been applied widely , It can simulate steady or unsteady water quality processes in such diverse water bodies as streams , lakes , reservoirs , estuaries. This paper introduced the compositions...
Proceedings Article

Simulation Analysis of Train Disc Brake Temperature Field

Libo Tang, Guoshun Wang
Simulation calculation of temperature field of train disc brake system under 500r/min fixed speed condition is carried out by using the software ABAQUS. The result shows: the heat quantity generated by braking firstly forms tailed area using friction radius as center; with continuous development of braking...
Proceedings Article

Compressed Sensing Applied to Wireless Sensor Networks Security

Jianxun Zhao, Jihai Huang
Secure communication in wireless sensor networks (WSNs) is a challenging problem due to the scale and resource limitations. This means that most existing security protocols such as cryptography are not applicable in WSNs. However, more recent researches argue that encryption based on compressed sensing...
Proceedings Article

Computer Simulation of The Inducing Effects on the Phase Morphology of PS-b- PMMA Copolymers

Jianquan Li, Dan Mu
The phase morphologies of three groups of designed polystyrene-block-poly(methyl methacrylate) (PS-b-PMMA) copolymers were studied at 383, 413 and 443 K by mesoscopic simulations. Eighteen patterned surfaces of four series were designed and designated as “ci”, “co”, “gra” and “rg” to study their influence...
Proceedings Article

System Design and Control Research for New Quadrotor Searching and Saving Aircraft

Qi Wang, Mingxin Yuan, Peng Zhang, Fei Cheng, Yuqiang Cao
In order to realize on-side rescue after destructive natural devastation or biological and chemical contamination, a new quadrotor aircraft is designed, which can fly into some dangerous areas to detect and search. This system is consist of controller, gesture detection, quadrotor motor and drive, wireless...
Proceedings Article

A Novel High-sensitivity ADS-B Receiver Based on RF Direct Logarithmic Detecting

Wei Peng, Yubai Li, Huan Li, Bolong Wen
ADS-B will significantly increase the availability and quality of air traffic surveillance of future air traffic management systems. The circuit design of traditional ADS-B receiver based on superheterodyne receiving is complex but the sensitivity is not so satisfactory. This paper proposes a novel high-sensitivity...
Proceedings Article

A Novel Algorithm for the Weak GPS Signals Acquisition

Huan Li, Yubai Li, Wei Peng, Bolong Wen
The acquisition of weak GPS signals is a challenging problem. The current methods for acquisition of weak GPS signals mainly depend on aiding, in which the GPS receiver needs priori information from base-station to promote weak GPS signal acquisition and tracking. It is unavailable in some remote locations...
Proceedings Article

Hybrid Control of Interconnected Diesel-generators for Marine Power Station

Guichen Zhang, Jiqing He
The conventional control strategy of speed regulator in marine power paralleling system is respective control for interconnected diesel-generators. Taking into account the influence of the ship power paralleling system, a hybrid control model is presented in this paper. It is proved that both speed control...
Proceedings Article

A Surface Fairing Method Based on Torus Tool Machining

Bochang Zhang, Rufeng Xu, Tao Ning, Zhitong Chen
In order to solve the problems of failure of tool-path generation or a relatively narrow processing row span ,which are initiated by unfairness of surface of engine blade , this paper according to the blade actual design, machining and testing method, combining End-points error controlling method for...
Proceedings Article

Genetic Simulated Annealing Algorithm for QoS Routing

Hui Zhang, Jihai Huang
This paper proposes the math model of QoS routing. Then we present a genetic simulated annealing algorithm is proposed of QoS routing. The results show that the new method to enhance the search ratio and the speed of convergence have been markedly improved, the phenomenon of premature convergence was...
Proceedings Article

Decision Tree Construction Algorithm Based on Association Rules

Yong Peng, Yanming Ye, Jianwei Yin
With the rapid development of Internet, there are more and more products information exist on the Internet. In order to facilitate the retrieval, how to classify these information automatically is becoming much more essential. So far there are many text-based classification models such as Decision Tree...
Proceedings Article

Research Progress of Computer Automatic Classification Technology and Methods Based on Remote Sensing Images

Hebing Zhang, Shidong Wang
In this paper, the research progress of computer automatic classification technology and methods based on remote sensing images is introduced. Firstly, the traditional classification methods of remote sensing image are discussed, which include supervised classification and unsupervised classification....
Proceedings Article

Research Progress of Fire Detection Based on Remote Sensing

Shidong Wang, Hebing Zhang
In this paper, the principle of forest fire detection was discussed firstly, and on the basis, the research progress of forest fire detection based on AVHRR AND MODIS was discussed at home and abroad. In general, the AVHRR and MODIS data are used as the main tools for forest fire detection. In recent...
Proceedings Article

A New Attack Model of Anonymous Communications System Based on Rerouting

Zhili Chen, Tiezu He
A new attack model is presented in the foundation of the model of anonymous communications system based on rerouting. Based on this model, it proposes one kind of attack algorithm. The premise of this algorithm realization is that only one sender and one receiver are in the anonymous system, and the...
Proceedings Article

Application of DELMIA on Maintainability Design of Aircraft

Yongsheng Shi, Yu Liu
The quality of the maintainability is the key to success of modern large aircraft, In this paper, the flow of interactive maintenance design (Design For Maintenance, DFM) is introduced based on the DELMIA software, Also the requirements of maintainability design. We established the models of Boeing 737-300...
Proceedings Article

Modeling of a Decision-making System for the Balancing of a Ship Based on Variable Weight

Xianglie Yi, Jinshui Qiu, Boyun Liu
this paper presents a new method to build a decision-making model for the balancing of a Ship with variable weight. The main point is to show how to build a decision-making model for the balancing of a damaged ship more precisely than they do before, and can provide the decision maker to balance a damaged...
Proceedings Article

The Simulation of Seawater Fire-Fighting System Based On Graph Theory

Xiang-lie Yi, Jin-shui Qiu
This paper presents an approach to establish model of seawater fire-fighting system based on Graph theory. Follow the steps given in this article, you can easily realize most of the functions of a given seawater fire-fighting system. Firstly, translate a given physical seawater fire-fighting system graph...
Proceedings Article

Water Fire Fighting System Semi-physical Simulation Based on Simulink’s RTW

Xianglie Yi, Jinshui Qiu
This paper presents an approach to integrate simulation model with Visual C++ easily by translating simulation model to embedded C++ code. Then the advantages of Simulink and Visual C++ are fully used by this approach. According to a real example the development steps and realization of water fire fighting...
Proceedings Article

Dynamic Data Mining Based on Cloud Model

Zhenguo Zhu, Ying Kong, Gen Pei
With its continuing in-depth research, data mining has become gradually mature. In comparison with static data mining, dynamic data mining is being appreciated for its capacities of dealing with the data which are uncertain, irregular and obviously time-related. This paper, based on the cloud model theory,...
Proceedings Article

Evolved Discrete Harmony Search Algorithm for Multi-objective No-wait Flow Shop Scheduling Problem

Guang Xie, Junqing Li
In this paper, an evolved discrete harmony search (EDHS) is proposed. Firstly, a job-permutation-based encoding scheme is applied to enable the continuous harmony search algorithm to be used in all sequencing problems. Additional, a new method is proposed to generate new solutions, while an efficient...