Proceedings of the 4th International Conference on Mechatronics, Materials, Chemistry and Computer Engineering 2015

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592 articles

A new Bayesian classification algorithm based on attribute reduction

Hongmei Nie, Jiaqing Zhou
Naive Bayesian classifier is a simple and efficient classification method. However, the assumption of the independence of its attributes is difficult to be satisfied, which influences the classification performance. In this paper, a new classification algorithm is proposed, which is based on the attribute...

Diagnosing reasons of packet loss in 802.11 networks

Yiming Wang, Zaixue Wei, Hongwen Yang
Packet loss in the 802.11 network can be attributed to many reasons. Detecting what causes packet loss is important for network optimization and is still a tough question. In recent years, various models have been proposed in literature to deal with this problem. In this paper, we introduce and compare...

Research on Dynamic Control Modeling for AFS System

Dirui Wu
A new dynamic control model for Adaptive Front-lighting System(AFS) is presented in this paper based on pan-Boolean theory. This logical control model for AFS system is based on control practice for AFS system and is consisted by a series of control rules. Combining with PID control arithmetic, off-line...

Simulation Research on Logic Rule Control of Vehicle AFS

Dirui Wu
Adaptive Front-lighting System (AFS) can adjust front light angle in real time based on speed, steering wheel angle and dip angle of vehicle. The safety of night driving can be improved in the active safety technology. Based on the mathematical model of AFS system, logic rule control method is adopted...

The research on the technique of geospatial information service component

Yuanyuan Zhang, Yong Guo, Qingshan Wang
Geographical Spatial Information; Service Components; Spatial Database; Service-oriented; Comprehensive Query

Analysis on Application of GIS Technology in Engineering Survey

Yan Li, Chen Zhang, Weikai Zhang, Shanshan Zhao, Siyan Liu
Engineering survey, as the basis of engineering construction, is applied throughout all stages of the whole project. However, traditional engineering survey technology cannot satisfy the actual needs of modern engineering any more. Modern Engineering Survey is no longer a narrow concept to serve engineering...

Semi-supervised learning combining transductive support vector machine with active learning

Boli Lu, Xibin Wang
In typical data mining applications, labeling the large amounts of data is difficult, expensive, and time consuming, if annotated manually.To avoid manual labeling, semi-supervised learninguses unlabeled data along withthe labeled data in the training process. Transductive support vector machine (TSVM)...

Testing and Analysis of the Sound Absorption Characteristics of Perforated Plates

Xu Wang, Yan Liu, Xiaopai Zhang, Xiaojuan Zhang, Changbin Zhang
Perforated plates are studied in terms of the influence of different parameters on the sound absorption characteristics using reverberation chamber test methods, it draws a conclusion: fixing aperture perforation rate thickness of perforated plate and changing arrangement (triangle and square), the absorption...

Noise Distribution of the Internal Combustion Engine

YaRu Guo, Yan Liu, Xiaopai Zhang, Xiaojuan Zhang, Changbin Zhang
Use noise and vibration measurement and analysis system for diesel engine noise and vibration testing and spectrum analysis.Draws the following distribution:Engine noise level mainly concentrated in 400Hz-2000Hz in the normal operating conditions, the noise value of each measuring point appear a peak...

Chinese Text Classification Based on Ant Colony Optimization

Xin Luo
It's significance for us to study Chinese Text Classification, when we face so much dynamic information. The development of Text Classification has a close connection with Pattern Recognition. However, some peculiarity of Chinese Text Classification, such as it has many classes, much noise, and excessive...

Research status and development trend of Urea-SCR technology

Zhanfeng Qi, Shusen Li, Xiuli Guo, Wuqiang Long
Stringent emissions regulations require further reducing NOx emissions, selective catalytic reduction (SCR) technology is the mainstream technology to remove NOx at euro V and euro VI stage. First This article introduces the chemical reaction mechanism of Urea-SCR technology that could reduce NOx emissions...

Research on Optimization Real-Time Multi-Process System For Integrated Modular Avionics

Ruina Xu, Weijie Li, Bin Chen
Integrated Modular Avionics(IMA) system, ARINC653 standard, two-level scheduling, idle time shared partition-level scheduling, multi-task evaluation system.

Improved Tracking Differentiator and Fuzzy PID for Electric Loading System

Ting Zhang, Rui Liu
Electric loading system can be used in aircrafts, vehicles and ships for loading test. It has the advantages of simple structure, high universality, low noise and fast tracking speed in loading test. But it has nonlinear factors and surplus torque. These are the important factors that affect dynamic...

Image Fusion Algorithm based on Sparse Features and Pulse Coupled Neural Networks in Wavelet Transform Domain

YunXiang Tian, XiaoLin Tian
Multi-focus image fusion has become an advanced research topic in image processing field. The traditionalmethods that are commonly used wavelet transform, principal component analysis (PCA),pulse coupled neural networks (PCNN), which got some results, but they are not effective enough for focused regions....

A New Method of Machine Tool Thermal Error Modeling Based on the Finite Element Analysis

Jiliang Zhang, Weiguo Gao, Dawei Zhang, Weizhan Zhang, Wenfen Chang, Yingxin Nie
In this paper, a new method was proposed to detect and model the thermal error of machine tools. This method was aimed at two mutually perpendicular direction deformation, and easily detectable deformation was used to fit the deformation in another direction. In order to verify the correctness of the...

Simulation and Optimization of Back Pressure Control for Circulating Fluidized Bed Boiler Unit with Unity of Three Towers

Li Xiang Zhang, Wei Bin Zhao, YongBin Jiao
Unity of three towers (i.e. indirect air cooling tower, a desulfurizing tower and a chimney) technology with energy saving and environmental protection, saving water and electricity, high heat efficiency characteristics and a range of promotion and application in coal - fired power generation, and achieved...

Remote Sensing Data Feature Analysis Using Spatial Linear Embedding (SLE)

Lifang Xue, Xiushuang Yi, Xiumei Liu, Jie Li
Dimensionality reduction has been used to reduce the complexity of the representation of remote sensing data. In this paper, a novel remote sensing data feature analysis method is proposed based on an improved manifold learning algorithm--spatial linear embedding. The purpose of feature extraction is...

The Research on Security Reinforcement of Android Applications

Xiaorong Feng, Jun Lin, Shizhun Jia
Along with the rapid progress and widely used of mobile application, security protection to software application has become an important issue. The lack of binary protections makes it important to implement packing services. By analyzing traditional features of software reinforcement technology, the...

Spatial Mode Demultiplexer Based on Spatial Phase Filters for Optical Communication

Yu Zhang, LiMing Tian, Jian Qu
In this paper, a spatial mode demultiplexer is proposed to recover modes which are weakly coupled in mode division multiplexed optical fiber communication systems. A spatial light modulator is employed to modulate the spatial phase as the kernel of the DEMUX. In the simulation, we explore the position...

Adaptive control of mode conversion by simulated annealing for mode division multiplexing

Yi Wang, Li Gao, Mingying Lan
mode conversion, adaptive control, simulated annealing (SA), spatial light modulation (SLM), charge coupled device (CCD)

A Reasoning System about Bi-Agent Knowledge Sharing

Jinsheng Gao, Changle Zhou
Dynamic epistemic logic; Common knowledge; Knowledge sharing

Correlation of Alzheimer's Disease with Wnt Signaling Pathway and Neural Stem Cells

Hongbo Yao, Lihui Sun, Jie Lian, Meng Zhang, Danyang Liu
Recent studies have shown that Wnt signaling molecules and the occurrence and development of Alzheimer's disease are closely related. Wnt protein secretion by autocrine or located next to the cell membrane receptor binding, activation of intracellular signaling pathways to regulate expression of target...

Analysis on the Optical Fiber Transmission Maintenance and Management in Communication Engineering

Chuan He
The emergence of the optical fiber communication technology, it is injected fresh blood to this new era. Because it has a long transmission distance, large capacity of communication, the advantages of strong anti-interference ability, in the field of radio, telephone and computer networks and other have...

The Study on the Effect Factors of Single-mode Fiber Optical Signal Transmission Time Delay

Chuan He
With the rapid development of communication technology, various communication means and applications emerge in endlessly, the use of the communication system environment is increasingly complex, thus, these systems in complex signal environment simulation and the experiment of the assessment is put forward...

The Study on the Application of EPON Technology in Optical Fiber to the Home Broadband Access Network Design

Chuan He
At present, the individual users use ADSL dial-up Internet access methods, but due to the copper price too high, broadband couldn't be more improved, the copper is bound to be abandoned by the society. Some new network providers and operators provide active optical fiber to the community. Due to the...

The Study on the Digital Optical Fiber Communication Access Network Technology and its Application

Chuan He
Through the optical fiber transmission technology to realize the network access, it is a kind of communication transmission to optical fiber network for transmission medium means of advanced technology; it is the embodiment of the essence of the optical fiber access. It is large capacity, light weight,...

The Study on the Design of Low voltage AC Contactor in the Electrical System and the Control Applications

Bao-ying Wang
The contactor is a kind of main circuit used to frequent connected and cut off and the large capacity control electronics, due to the AC and DC main circuit quickly cut off, and it can frequent switch the large current control circuit, so often be used to control motor, still can be used for machine...

Analysis on the Low Voltage Electrical Switch Contact Performance and Design

Bao-ying Wang
The role of the electric switch has two aspects: the first is the function of the switch itself. It is the tube and off of electric circuit and short circuit or over current that can be automatically jump to cut off the power supply and it has the effect of protection circuit and electric equipment....

Some Methods of Evaluating Eigenvalues of Symmetric Matrix

Yao Ding
This article introduces some methods to evaluate eigenvalues of the real symmetric matrix, especially for real symmetric triangle matrix. For these methods, we give concrete steps. Finally, by comparing these methods, we study advantages of various methods.

Research on the Information Construction of the University Archives Management

Rili Cong, Tao Feng
The information construction of the university archives management, is an essential part in the university management. This paper Through the analysis of its connotation, according to the problems, and then the corresponding solutions are put forward to improve the management of archives management in...

Construction of Geographical Information Collection System Based on Wireless Sensor Network

Yan Jiang
with fast development of science and technology, wireless sensor network has applied in large amount due to its flexible installation and convenient group features. It’s applied for security detection in areas such as intelligent buildings, military, and large industrial Orchard. Arrange large numbers...

Study on Computer Technology and Information Management Based on Integration Perspective

Zhangkui Liu
In current era when mobile internet and computer information technology prevail, every individual is information communicator and receiver in society. In the face of rapid social development and huge scale of information communication, human beings depend on computer information management technology...

Tentative Analysis of the Function of Applying Computer Database Technology in Information Management

Peng Xie
With the development of information technology and the progress of science and technology, information management has been widely used in computer data technology, and continuously improve the level of information management .This paper mainly analyzes the application status of computer database technology...

Multifunctional Miners Helmet Design based on Wireless Sensor Network Technology

Han Qiu, Zhiyuan Chen, Fanghao Zhong
At present, domestic coal mine safety monitoring mainly realize the function of downhole data acquisition, such as the collection of gas, wind speed, temperature and other data.But the down hole data is not in full organization, use and manage on the inoue, meanwhile coal mine has the shortcoming of...

How to Use the Method of Multivariate Statistical Analysis Into the Equipment State Monitoring

Chunhua Yang
The method of multivariate statistical analysis is a branch of classical statistics, is a comprehensive analysis method, it can also have each other for multiple objects and the index of correlation analysis, parsing the statistical rule between them, at present has been widely applied to agricultural...

Study on Wireless Network Security in 4G Communication Technology

Jianbing Bai
Wireless communication technology developed to 3G from early 1G and 2G, and now it develops to 4G communication system direction. Relative to 1G, 2G and 3G, 4G communication technology improves greatly and owns openness and wireless transmission characteristics which make its application effect better....

Computational Analysis on Electromagnetic Field Reversal based on Global Optimization Algorithm

Yanfeng Liu
With continuous development of computer technology and extensive research on electromagnetic field reversal, calculation of electromagnetic field has already become a research hotspot at present. Based on global optimization algorithm, the author discusses calculation of electromagnetic field reversal...

Study on the Salt Resistance of the Sprout of Fraxinus velutina

Jing Shu, Jinqiang Xu
Recent years, with the constant development of social economy and industry estates, the increasing deterioration of natural environment leads to the deterioration of the plants growth environment, which influenced the good and fast growth of plants. Environmental stimulus might lead to the generation...

Monitoring System Based on Wireless Sensor Network

Wanhua Wei
With people’s safety awareness improves, more and more security and monitoring system is need in society. The security and monitoring system designed in this paper is based on the wireless sensor network. The system can record audio, video, alarm and other signals, and the signals can be stored for future...

Analysis of the Reinforced Retaining Wall Seismic Dynamic Response and its Ground Motion Parameter Tensor

Junchao Yang, Lihua Li, Henglin Xiao, Zhirong He, Zhiyong Yang
In order to improve the accuracy of reinforced retaining wall seismic dynamic response analysis, this paper presents a response model seismic based on dynamic parameter tensor analysis, and inversion calculation can obtain the time history response curve and the maximum peak force of the reinforced retaining...

Research on Collaborative Filtering Recommendation Algorithm Based on Matrix Decomposition Method

Juan Li
In order to realize the personalized recommendation of internet mass data, according to the characteristics of internet mining data set and combined with mathematical algorithms, this paper proposes a new forecasting and computing model of adding the regularization constraint and least square method...

The Study of Cable Operation Fault Monitoring Based on All-fiber Technology

Xiaodong Liu, Defeng Chen, Nan Sun
The on-line detection of temperature and strain is the necessary measure for ensuring the safety and stability of the system during power cable's operation .The distributed fiber optic sensing detecting system for on-line monitoring high-voltage cable is presented. The measurement equipments used in...

A Research of Guangyuan Qianfoya Grotto Statuary Digitization 3D Model Manifestation

Kai Luo, Dengming Gao
Guangyuan Qianfoya Grotto is one of the most valuable natural resources in China. It is an important constituent of Chinese material cultural resources and is a kind of people’s direct expression of beautiful life, art appreciation and religious belief in history. It remains an important project about...

Analysis of the Motor NVH Based on Labview

Renyin Song
As motors are widely applied in the fields of industry, agriculture, etc., how to test, analyze and suppress motor vibration and noise, more and more people's attention. Virtual instrument technology, compared to traditional instruments with high performance, scalability and strong advantages in engineering...

Study on Mass Transfer within the Microchannel Reactor

Dan Li
Taking CO2 absorption as background, this paper makes a research on the experiments of CO2 absorption of the NaOH solution within microchannel reactor. By changing the concentration, superficial gas velocity and superficial liquid velocity of NaOH solution, their impact on the CO2 absorption rate is...

Preparation of new anode of microbial fuel cell using Escherichia coli-immobilizing hydrogel

Dajie Xing, Hua Wang, Li Li
Despite significant progress in recent years, microbial fuel cells (MFCs) maintain their status as one of the prime unsolved problems in clean energy technology, and their characteristics may not meet the requirements of practical application. Therefore, preparing high-performance anodes is very important...

Discussion on the harm of computer virus and its prevention

Jinwei Fu, Rui Li, Zhijin Yang
Transmission and spread of computer network virus seriously endanger the normal use of the computer system and the security of private information, the spread of the virus has great influence and destructive. Invasion of the virus usually causes the system to appear bugs, and produce a lot of information...

Design and Implementation of Data Analysis System Based on Mobile Internet

Yanling Xu
This paper designed and partly implemented a mobile Internet data analysis system. The system includes user registration module, the user login module, the user password reset module, user management module, data receiving and statistics module, report generation and display module, real time acquisition...

The Design and Implementation of Network Video Surveillance System based on ASP.NET

Hongjun Jin
In this paper, the author describe the application and developing trend of the video surveillance system ,analyze and compare the different frameworks, make out the design of Network Video Surveillance based on ASP.NET Framework. Then give the design and implementation of media server module, alarm server...

Structural Health Monitoring System based on Wireless Sensor Network

Zhifen Yuan
Firstly, current development of SHM technology and application of WSNs technology in SHM are introduced. Secondly, based on analysis and comparison with routing protocols for WSNs, considering large numbers of nodes, individual nodes with extremely limited resource and data remotely transmission in a...