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

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592 articles

Analysis On the Ultra-low Power Integrated Circuit Technology

Meidong Lin, Zhiping Wen, Lei Chen
The technology has been integrated into the nanometer scale, the challenges posed by the increasingly obvious power, has gradually become a major problem restricting the development of integrated circuits, as well as the preparation of the core issues and design of integrated circuits exist. Low-power...

Effect of shot blasting on Aerial Aluminum Conductor corrosion behavior

Kai Guo, Xiaoming Wang, Zhiling Yu, Xingeng Li, Zengwu Yue, Min Fu, Xuegang Wang, Fengjie Yan, Qiang Luo
Aerial aluminum conductor (ACSR) as the primary overhead lines products, has been running in the field for a long time. The inevitable corrosion will be affected by heavy pollution environment. Salt spray is acknowledged as the natural environment in most demanding of corrosion, which can make the wire...

Preparation of ZnO photocatalysts and study on photocatalytic degradation of antibiotic wastewater

Jinlong Zuo, Xue Li, Wei Jiang, Xinguo Yang, Xuewei Wang
Nano ZnO/graphene composites were prepared by the oxidation of graphite and nano ZnO as the precursors under the condition of water temperature at 120 . The photocatalytic activity of the composite was detected to treat simulated antibiotic wastewater by using the solution of tetracycline hydrochloride...

Observation and nursing countermeasures of the upper gastrointestinal bleeding patients

RL Cheng
the upper gastrointestinal bleeding in medical emergency is common in surgery, patients with critical illness, the short time may be life-threatening, nursing staff in addition to actively assist doctors do all kinds of rescue, hemostatic measures should strengthen close observation of the illness, completes...

The applications of computer simulation technology in tennis serve technique

Guo-dong Wu, Xing-jian Jiang, Li-jun Lin
This article made Computer Simulation Technique to analysis the relationship of the different heights of hit tennis and serve’s effect in the course of tennis serve. The results show that with the increase height of hit tennis the effective area of tennis serve also increased significantly; the success...

Joint Bilateral Filter and Multi-Scale Cost Aggregation in Stereo Matching

You-ping Ye, Hong Zheng, Hao Chen, Yu Yang
Dense correspondence is a key problem in binocular stereo vision. The existing solution for this problem can be divided into local method and global or semi-global method. Bilaterally weighted patches matching is a classical local method, while it is computationally expensive and its accuracy need to...

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...

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...

Space Complexity Analysis of Sieving in the Number Field Sieve Integer Factorization

Qi Wang, Hongyan Zang, Xiubin Fan, Yu Wang
The general number sieve is the most efficient algorithm known integer factorization, it consists of polynomial selection, sieving, solving equations and finding square roots. In this paper, the evaluation provided by each root and the expected value are given, then we get the space complexity of sieving...

Automatic Heart Sound Segmentation Method Based on Cyclostationarity and Clustering

Ting Li
Segmenting heart sounds accurately is significant to determine the types and the severity of heart diseases. Using cyclostationary property of heart sounds and clustering method, the paper proposed an effective automatic segmentation algorithm of heart sound signals. This algorithm can segment normal...

A Retrieval System for Searching 3D Models from Web

Liu Yang, Jiale Wang, Xiang Li
As there are an increasing number of 3D models available on web, it is necessary to develop a system to help people find and get them. In this paper, we propose a system for content-based retrieval of 3D models on web. Users can submit an example 3D model to the retrieval system, and it will return a...

Design of MPPT controller based on battery fast charging method in photovoltaic system

Ding Chen, Yubao Gao
MPPT algorithms have been widely used in controllers of photovoltaic system. While for independent photovoltaic systems, researches focused on the charging method to batteries are still limited. Considering the power supply in continual rainy days, the capacity redundancy o batteries in photovoltaic...

Video Face Recognition based on External General Dictionary

Qing Liu, Shaohu Peng, Jiadong Wang, Xiao Hu
Face recognition with single sample per person (SSPP) was a very challenging task because SSPP cannot reflect the characteristics of the test samples (eg. illuminations, pose, expressions and disguises) so that it is difficult to predict the facial variations of a query sample by the gallery samples....

Sheet Solid Slicing Method for 3D Models

Feng Zeng
To against the demerits of slicing methods based on STL model in 3D printing, a sheet solid slicing method of 3D models is presented. In this method, a sheet solid which thickness is equal to the layer thickness is using to intersect with 3D model, and the result of the intersection is target sheet solid...

Research on a novel water-saving cleaning technology for wheat

De-xing Zheng, Weifang Chen
Wheat washing can remove stone, dampen and clean. It works with the help of water solubility and flushing action to purify the surface of wheat. For the water consumption and pollution of traditional wheat washing machines have become increasingly prominent, a water-saving cleaning technology for wheat...

Secondary Reduction Algorithm Based on Grid and Curvature Method

Shigang Wang, Yong Yan, Shufeng Jiang
In reverse engineering, the point cloud data processing is the key, it will directly affect the quality and efficiency of the subsequent reconstruction of the surface. However, the amount of data obtained by three-dimensional laser scanning is often larger and redundant, which will increase the difficulty...

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...

The design and research of logistics structure system based on computer network

Jinlian He
It is an important content of the logistics enterprises to standardize the management of logistics enterprises. Through the research on the logistics enterprise logistics system, the information management system can be effectively solved.

Study on the Correlation of Wind Pressure on Cooling Tower

Xiangyang Ren
objective: to study the surface wind pressure of cooling tower under the condition of isolated tower and adjacent two towers. Method: wind tunnel test. Process: simultaneous pressure-measured tests on the rigid model, contrast the test results of isolated tower and adjacent two towers’ rigid model. Results...

Development and Verification of A Small CMOS Digital Standard Cell Library Based on SMIC 130nm Process

Yiwen Wang, Hang Su, Mingjiang Wang, Jipan Huang, Hao Chen
Nowadays, Semi-custom design based on the standard cells is the mainstream design method for digital IC chip. In this thesis, the standard cell library is built and verified based on the SMIC 130nm technology, especially the optimization of a 1-bit full adder cell, during which the structure and layout...

Analysis on Energy Conservation and Emission Reduction for Electricity Consumers Based on Principal Component Analysis

Xiaohui Xu, Jinsong Liu, Yirong Su, Yangyang Xi, Shuanghu Wang
With the increasing concerns on energy shortage and environment protection, the energy conservation and emission reduction is becoming a more of concern for electricity consumers. In this paper, typical indexes are selected for reflecting electricity consumers’ statues of energy shortage and environment...

Parallel Interference Cancellation for MIMO Radar Receiver

Ying-Hua Tian, Song Chen, Sheng Wang, Xin-Peng Chen
MIMO radar systems transmit different waveforms simultaneously to obtain multiple observation channels towards target, which also brings in interference between those signals. This paper introduces the communication technique denoted as parallel interference cancellation (PIC) into MIMO radar receiver....

Analysis of the effect of Propeller Slip Flow on Flight

Xiujuan Liu, Chunguang Wang, Song Li, Yuankai Li, Luofeng Lin
In view of the negative effects caused by propeller slip flow on flight, this paper used momentum theory combined with finite cubage to find the solution to N-S equation and numerical analogue and also analized propeller procession and disturbance of propeller slip flow to the flow field. Finally the...

Numerical Simulation of Winglet to Optimization Design

Xiaolei Liu, Limin Song, Dun Jin, Tieyu Hu, Song Li
Test flight results show that, the induced drag reduces 15% that the plane tototal resistance will decrease 6.5% and the range will increase 7.5%. At present, new research and development aircraft, such as the Boeing787 "dream" aircraft and some airliners are in operation (Airbus A330, A340, Boeing737-800ER)...

Research of load spectrum of mechanical drive train by non-parametric statistical engineering extrapolation

Ming Ni
This article elaborates the wheel loader transmission load spectrum during the preparation of the key issues - how to determine the shape of the kernel function, chosing three typical operating conditions to illustrate the non-parametric statistical extrapolation of this process. Before sample loading...

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...

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....

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...

Application of maximum likelihood classification Based on minimal risk in crop interpretation

Yubin Song, Xiufeng Yang, Yancang Wang, Zihui Zhao, Xuhong Ren, Longfang Duan
In crop interpretation by remote sensing, Gray distribution of crop is overlapped in some intervals. The non-target crops fall into the target crop, which would greatly increase the workload in post classification. To reduce these classification errors, and improve accuracy of clarification, maximum...

A Navigation Method for Land Vehicles Based on DR with Computer Vision Aided

Xingyu Li, Tingting Jiang, Zhenguo Yuan
Visual navigation methods become more and more hot issues for the vehicles. Computer vision has been applied to Dead Reckoning (DR) for land vehicles successfully. Based on the principle of DR, computer vision is used to calculate the azimuth information. And displacement information from camera could...

Simulation Of The PV Array Output Characteristic In Shading

Yuan Yao, Honglu Zhu, Xu Li, Qiao Sun, Ling Nie, Gang Zhao
PV nonlinear characteristics caused by complex external environment and the complexity of PV maximum power point locations distribution influence the design and optimization of photovoltaic maximum power tracking algorithm. Based on PV equivalent circuit model, unknown parameters of PV model are solved...

Implementation of Computer Graphics Algorithm Platform Based on Autodesk Maya

Qi Zhang, Zhanpeng Huang
Building a visualization algorithm platform is the first step and very important part of computer graphics research. In this paper, we describe a new method to implement computer graphics algorithm based on Autodesk Maya. By creating the node is to be integrated directly into the Dependency Graph, we...

Fault Detection for Network Control System with Multiple Packet Loss

Yuqing Li, Qun Zhang
The fault diagnosis problems for Networked control systems with multiple packet loss is studied. Residual model is designed to meet the minimum system implemented. By choosing the appropriate Lyapunov function, the sufficient conditions for the robust stochastic stability of the filter fault diagnosis...

Intelligent bus temperature measurement system based on Zigbee networks

Gang Ma, WenGong Jiang
In order to avoid overheating due to bus power supply system that will cause major accidents, we need to monitor the temperature of high-voltage switch cabinet in the narrow space. This paper designs a wireless intelligent bus temperature measurement system based on Zigbee networks. The application of...

Comparison analysis of pollutant emissions factor for Lantan combustion instead of raw coal

Jili Hou, Wenzhi Shang, Junli Liu, Yue Ma, Jian Shi, Shuyuan Li, Jinsheng Teng
Volatiles, sulfur, nitrogen and other impurity atoms have released in the process of bituminous coal retorting and high-quality Lantan can be obtained. In order to investigate the feasibility of Lantan to combustion as a clean fuel instead of raw coal, this paper selects several representative coals...

A Hierarchical Resource Allocation Algorithm for Satellite Networks Based on MF-TDMA

Huijun Feng, Yuanan Liu, Hefei Hu, Dongming Yuan, Jing Ran
Satellite communication networks would become one of the most prevalent communication system for the increasing demand for high-speed multimedia services and the underutilization of scarce satellite spectral resource. Considering resource optimization under multi-priority services and various link states...

Research on the influence of steel slag powder, slag power, and fly ash on the performance of concrete

Kaiqiang Song, FuTian Liu
In this paper, steel slag powder, slag powder and fly ash mixed with different proportions, equivalent replacement of cement, as concrete admixture, study the effect of the admixture on the performance and mechanical properties of concrete, and through the XRD, SEM, differential thermal and other micro...

Research on Performance Degradation Modeling for Machine Gun’s Barrel Based on FOAGRNN

Yanfeng Cao, Cheng Xu
A method to establish performance degradation model for barrel based on general regression neural network with fruit fly optimization algorithm (FOAGRNN) was proposed. It took the muzzle velocity reduction as performance degradation feature with the increase in the number of shooting ammunition quantity...

Study of Failure Analysis of Power Transistors

Jiaoying Huang, Sicong Hu, Cheng Gao, Xiangfen Wang
This paper present a process of failure analysis which, to some extent, can demonstrate a variety of failure process in regard to power transistors. General failure analysis process will be introduced at the beginning of this article. The test objects are power transistors which were found to be the...

Research on DNA Computing Methods of Optimization Problems on Weighted Graph

Jieyu Liu
The paper researched the DNA computing method of classical optimization problems on weighted graph, improved the method of Weight-coding that belongs to the original model of DNA, raised some new methods of DNA encoding and DNA computing. Generally speaking, through the Relative length graph design that...

Simulation of 1.0 m CMOS Baseline Process at AEMD of Shanghai Jiao Tong University

Didi Ma, Xiaodong Wang, Yun Shen, Xiulan Cheng
A standard 1.0 m CMOS process are developed at AEMD (Center for Advanced Electronic Materials and Devices), which is a public platform about advanced micro-nano fabrication. The process supports 1.0 m twin well technology, with double poly-Si, double metal, and defines the standard process modules in...

Fuzzy Set Based Web Opinion Text Clustering Algorithm

Hongxin Wan, Yun Peng
With the development of social media, people like to express their views on the Web. Because people express their views casually, which makes the opinion text contain a lot of uncertain and unstructured contents, and it is difficult to cluster the text by normal classification methods. An algorithm of...

The Remote Monitoring System Design of Farmland Based on ZigBee and GPRS

Jinhu Liao, Qingyong Zhang, Yang Fang, Xuegang Xu
A remote monitoring system is designed, which can remote monitor farmland in real time and make informed management decisions. The system collects data of farmland by using ZigBee modules, makes data fused by using high performance controller ARM microcontroller, transfers data to remote computer by...

PSO based Multi-robot Formation Control

Guo-qing Qiu, Fang-yan Li, Nian-ci Liu, Jian Wu
Aiming at the environment that contains dynamic obstacles, a new multi-robot formation control method is proposed. Leader-Following method is combined with artificial potential field method to solve the poor adaptability of formation. Meanwhile, the robots’ relevant parameters are optimized online by...

An improved double loop control method for brushless DC motors

Yafei Zhang, Jianfei Yang, Huaren Wu, Xin Qiu, Jian Liu
The stator flux-linkage and torque double loop control strategy has been used in the traditional two-phase conducting brushless DC (BLDC) motor direct torque control (DTC) system. Based on the study of the control system, this paper presents a new space voltage vector switching table and new methods...

A Research On The Parameter Optimization And Field Test Of The Simulation Speed Regulator For The Isolated Network Of Gansu Power Grid

Weijiang Qian, Fubo Liang, Yankai Zhang, Weijie Fan
In view of the problem of non electromechanical mode oscillation in the process of the operation of the N area network in Gansu area, the cause of the accident caused by the improper governor parameter of the main unit in the isolated network is obtained by the fault simulation and field recording. Based...

The Application of Joint Optimization Method using GA for Load Forecasting

Junsong Qin, Dongxiao Niu, Jinpeng Qiu, Ling Ji
Since load forecasting plays an important role in the planning and operation of power industry, substantial efforts are made in improving the accuracy and reliability of load forecasting. In this paper, we develop a novel hybrid approach based on phase space reconstruction and least square support vector...

MPPT Algorithm Based on the Perturbation and Observation with Variable Metric

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

Study on Term Weight Calculation Based on Information Gain and Entropy

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