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

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592 articles

Event-triggered Output Feedback Control for Uncertain Systems

Zhiwen Wang, Ying Zhao, Chaoqun Zhu, Xuan Li
In this paper, the event-triggered output feedback control problem is studied for uncertain networked control systems. Considering the full states information of system cannot be measured in practice, output feedback control with dynamic compensation function and observer-based state feedback control...

CloudTCast: A Video Distribution Solution Based on Cloud and Tree-based ALM

Weidong Gu, Lu Wang, Bin Gong, Huiling Shi
This paper studies a novel data distribution solution, named CloudTCast, for video multicast group. CloudTCast combines the advantages of cloud and tree-based application layer multicast (ALM). On the one hand, it uses the tree-based ALM to break the cloud's bandwidth limitation in delivering the video...

The new method of digital circuit fault diagnosis

Yiyang Zhang, Yan Dong, Dan Liu
The digital circuit is the main part of the current various circuit, any kind of electronic product is inseparable from the digital circuit. Promotes the electronic products greatly improve the performance of digital circuit. Therefore, research on the digital circuit fault diagnosis is of great significance....

Planar Scanning Plane Comprehensive Error Data Measurement Analysis

Jun Liu, Chao Tu
In this paper,the positioning data for large planar scanning plane were measured with laser tracker, converted the coordinate by spatial error between scanning plane and tracker , and analyzed the converted error data. For the subsequent use of the least squares method error compensation provided.

Planar Near-field Scanner System Error Analysis

Chao Tu, Jun Liu, Yinghui Hu
Planar near-field measurement technology is an emerging technology for near-field antenna measurement. It has been widely used in foreign countries. In recent years, domestic develop faster and faster. Gantry motion platform positioning technology is one of planar near field measurement technology key...

3D Video Conversion Method Based on the Depth of the Image Description

Huiyu Nie
In this paper, the method of "depth map" is used to convert 2D video to 3D video, and the method of depth map is studied. A method of creating a red and Blue 3D image based on depth image rendering (DIBR) is proposed for the problem of hole in the left view. According to the parallax information of red...

Study on the Preparation Process of X-cor Sandwich

Xudan Dang, Shaojie Shi, Jun Xiao, Weimin Long, Rui Zhang
As a new type of structural material, X-cor sandwich with high specific strength and high specific stiffness effectively improves the through thickness mechanical properties of the foam sandwich and is promised to be used in the field of Aerospace. Through three steps of pultrusion process, insertion...

Higher Order Crack Tip Fields for Physical Weak-Discontinuous Crack of FGMs Cylindrical Shell with Reissner’s Effect

Xiao Chong, Yao Dai, Yumeng Shi, Jingwen Pan
The higher order crack tip fields for physical weak-discontinuous problem of cylindrical shells are investigated. The crack located at the interface between homogeneous materials and exponential functionally graded materials. The governing equations are derived for homogeneous materials and FGMs regions...

Higher Order Mechanical and Electric Fields for Arbitrarily Oriented Crack with the Physical Weak-Discontinuity

Yao Dai, Xiao Chong, Yumeng Shi, Jincai Huang
The higher order crack-tip fields for anti-plane crack oblique to the interface between functionally graded piezoelectric materials (FGPMs) and homogeneous piezoelectric materials(HPMs) are presented. The crack is oriented in arbitrary direction. The crack surfaces are assumed to be electrically impermeable....

The Method Study of A kind of Data Driven Pressure Sensor’s Real Time Fault Diagnosis

Wen-bo Na, Wei Liu, Ning He, Tian-Tian Liu
The electrode distance variance and capacitance style pressure sensor is talked about .The change rate of the pressure is treated as judging basis of whether the fault is existed. Make the bridge output signal as the sensor’s output signal and one of the detection signal,also make the operational amplifier...

An Improved Small-Size Multiband LTE/GSM/UMTS/WLAN Antenna for Mobile Phone

Pengpei Wang, Jianguo Yu, Zhen Yu, Xiaoying Zuo
A planar monopole antenna having small-size, dielectric-loaded yet providing two bands for covering the seven-band LTE/GSM/UMTS/WLAN operation in the mobile phone is presented in this letter. The small-size yet wide band operation is achieved by adjusting the locations of antenna and RF Ground; the antenna...

The Improvement of Transitional Butterworth-Chebyshev Filters

Guo-qi Ni, Er-ke Tong, Xin Peng
According to a simple design method of transitional filters which was proposed by C.S.GARGOUR, the transfer function of transitional lowpass filter is computed, and the transitional lowpass filter is improved from the poles of the transfer function with better linear phase response. And the filter was...

The Effect of High Temperature Coolant and Lubricant on Cutting Process

Y. Zhang, B.M. Li, L. Han, Q. Li, L.P. Dong, Y.Q. Ma
Green cutting is ecologically desirable and have been a tendency in the industry field. High temperature coolant and lubricant can be introduced in metal cutting due to its pollution-free, generating easily and unneeded disposal. This study attempts to understand the effect of high temperature coolant...

Study on Drop Test of Electric Vehicle Battery

Zhijun Guo, Tao Li, Zhengwei Sun, Jingbo Wu
The safety of vehicle power battery is an issue of particular concern for vehicle manufacturers, consumers and especially important for the application and development of electric vehicles. This paper introduces a drop test method of power battery, proposes a test scheme used for evaluating the drop...

Control Strategy Research of High-frequency Position Response Servo System for Electromechanical Actuator

Zaiping Zheng, Yi Wang, Yuping Huang, Hongxing Wu
This paper presents a method of improving the position response speed of the servo system based on electromechanical actuator position servo system. In this paper, a novel decouple technique is derived from PMSM decouple state equation, separating direct axis current from quadrature axis current ulteriorly,...

Technology for Precise Position Control Strategy of PMSM

Yuping Huang, Dabin Zhu, Qingbo Ma, Hongxing Wu
Permanent magnet synchronous motor has replaced the dc motor in many occasions and become the mainstream in the servo system. But the dynamic model of the permanent magnet synchronous motor is a strongly coupled variable system. Permanent magnet flux in the machine under different operating conditions...

Supramolecular assembly by co-crystallization of fumaric acid with 1H-benzotriazole: crystal structure and synthon cooperation

Changfeng Sun, Yanyan Pang, Ruixin Chen
Hydrogen-bonded directed assemblies of one binary co-crystal was validated by single-crystal X-ray diffraction analysis. The supramolecular reaction between symmetric fumaric acid and 1H-benzotriazole produced molecular co-crystal formulated as [(C6H5N3)•(C4H4O4)0.5] in high yields. Compound contains...

(paper withdrawn) The Preparation and Adsorption Properties of Li+-Imprinted Hybrid Gels

Xiushen Ye, Chaoming Quan, Shichun Zhang, Li Sun, Haining Liu, Zhijian Wu
Several different Li+-imprinted gels were prepared by different precursors. And the gels were characterized by textual properties and point of zero charges (PZCs). The adsorption of Li+ from their aqueous solutions by the gels was investigated. The surface areas of the gels were found to range from 60...

Study on thermal drying efficiency and odor emission characteristics of municipal solid waste (MSW)

Chun-ping Li
Thermal drying efficiency and odor emission characteristics under different temperature of municipal solid waste (MSW) were studied. The results showed that: water content decreased sharply with disturbance thermal drying mode. The highest peak of total amount of odor was at 600 and the lowest was at...

Analysis and Application of Torsion Impact Tool in Igneous Rock

Hongshan Zhao, Kun Zhang, Shuwei Guan
The previous drilling practice showed that there were many drilling difficulties in igneous rock, such as less footage of one bit, lower roundtrip ROP, more tripping times, etc., which severely influenced the exploration and development process of carboniferous formation. After analysis, the reasons...

Crude Oil in Water Drilling Fluid Properties and Application in Horizontal Wellbore Drilling

Liye Bai
Oil in water drilling fluid is a suitable water based drilling fluid for horizontal well, because of good lubricity, liquidity and borehole stability. Optimized and matching emulsifiers, in the2:8 ratio of oil to water, the emulsifiers OP-10+SP-80 ratio of 3:2 is the best effect of emulsion stability,...

Numerical simulation of natural convection in square cavities with power function temperature wall by lattice Boltzmann method

Xin Tian, Zhengwei Shui, Chiyuan Ren
In this study, a thermal lattice Boltzmann model is employed to investigate the natural convection in square cavities with power function temperature boundary. The horizontal wall of cavities is adiabatic, and the temperature at the west and east wall is set to constant or a power function. Four cases...

Information and Power Simultaneously Transmission in Space Shift Keying Modulation System with Antenna Selection

Fuqiang Wang, Guangchi Zhang
In this paper, antenna selection at transmitter in Space Shift Keying (SSK) is considered, which conveying information using the bit-determining antenna from two potential antennas. Previous researches mainly focused on information transmission, and the main performance metrics are bit error rate (BER)...

Design of Non-contact Height Detecting System for a Marine Diesel Engine

Xinglong Pan, Guo He
Air pressure is an important parameter for the air spring on a marine diesel engine. The pressure can be indirect reflected according to the spring camber, and the spring camber means the distance variation among the measuring points of air spring. So, in order to obtain the air pressure of marine diesel...

Analysis on the Impacts of Governor Parameters in Isolated Power Grid

Xiaoqing Xiao, Likun Zheng, Fei Li, Shiwu Xiao
In order to analysis the impact of governor parameters on the performance of primary frequency regulation, this paper built a closed loop speed regulating system model formed by turbine and generator, which is closer to the practical system. The paper simplify the high-order system in engineering by...

The Optimization of G.729 Speech codec and Implementation on the TMS320VC5402

Wang Geng, Cheng Wei
This paper designs a realtime speech codec system based on the TMS320C5402 platform, from two aspects of data transmission interface and control interface for the TMS320C5402 and TLV320AIC23 interfacedesign, and through the g. 729 speech decoding algorithm principle research and program optimization...

Optimizing Online Sequential Extreme Learning Machine Parameters and Application to Transformer Fault Diagnosis

Wenrong Kang, Wenyan Chen
In order to solve the problem that the (OS-ELM) is used in the fault diagnosis of the transformer, the genetic algorithm (Algorithm Genetic) is applied to the on-line extreme learning machine, and a new method of transformer fault diagnosis is proposed. In this method, the number of hidden layer neurons...

Research on Integrated Management System of Internet of Things in Smart Substation

Qiang Xu, Xie Zhang, Shun Wan, Yajing Zhu, Weiyue Zhou
This paper analyses the development of Internet of Things (IoT) and introduces essential techniques of IoT. In order to solve problems in smart substation construction, this paper analyses the situation of substation construction in Anhui, and proposes an integrated management system of IoT in the Jinxiu...

Analysis of Capacitively Fed Circular Patch Antennas

Zhongbao Wang, Xiaofeng Li, Shaojun Fang
In this paper, resonant frequency of capacitively fed circular patch antennas with the various air layer heights and the substrate electrically thickness range from 0.026 to 0.12 is analyzed with HFSS. And the variation of impedance bandwidth is given for capacitively fed circular patch antennas with...

A Modeling method for Reconfigurable Processor Performance Analysis

Minhui Hu, Guanwu Wang, Kongfei Du, Sikun Li
Coarse grained reconfigurable architecture (CGRA) has become an important solution for high performance computing because of its high speed up ratio for computation intensive applications, fast configuration, good adaptability and low power consumption. However, the traditional performance analysis method...

A New Decision Tree Ensembles Method for Fake Apps Detection in Android Platform

Huan Ren, Wei Zhang, Qingshan Jiang
The sharp increase in the number of smartphones makes the fake Apps in Android platform to be an urgent issue. Many approaches have been proposed to defend against these fake Apps. However, most of them have some disadvantage, such as low accuracy, not general, or not robust in big data. This paper proposes...

Music Recommendation System Design Based on Gaussian Mixture Model

Yang Lu, Xuemei Bai, Feng Wang
The paper establishes a double-layer classifier based on Gaussian Mixture Model and the Thayer model to divide the music style into several categories. On the basis of effective verification of experiments, the music listening experience is added into the model to analyze and normalize two-dimensional...

Thermal circuit model parameters identification of oil-immersed transformer based on PSO algorithm

Linli Zhang, Lisheng Li, Bin Jiang, Rong Li, Hongmei Li, Xiao Dong
The thermal circuit model of oil-immersed transformer needs to improve its accuracy in predicting the winding hottest-spot temperature, especially in the case of overload and different cooling modes. In the case of overload condition, the estimate values obtained from most existing models are smaller...

Simulation Research on Neutral Grounding Modes of Marine High Voltage Power System

Haoliang Wang, Chunlai Zhang, Meng Li, Kun Lu
Based on the characteristics of marine power system, the paper takes marine high voltage power system as the research object to research the five kinds of neutral grounding modes. The simulation model is built by MATLAB/SIMULINK to analyze the difference of the different neutral grounding modes. By comparing...

Research on the Bow Thruster of Large Ship

Haoliang Wang, Jun Lin, Liqiang Cao, Weifeng Lv, Chuang Wang, Guangxing Lu
Based on the 10,000 TEU container ship, the paper makes a research on the characteristics of the bow thruster. According to the open-water propeller characteristic chart of controllable pitch propeller, the paper analyzes the lateral thrust of the bow thruster combining with the data of real ship, builds...

Research on Multi-service Unified Bearing Electric Power Communication Access Network

Bao Feng, Yang Li, Yang Hu, Yan Long, Yongzhong Xie
With the development of smart grid, especially the energy Internet, the emphasis on electric power communication network construction is gradually transferring from backbone level to access level. As a direct user-oriented network, electric power communication access network need to have features of...

A design and implementation of Pulse-Measure instrument based on Microcontroller

Siqing Zhu, Ying Zhang, Yanming Liu, Yu Hang, Kexue Sun, Xiefeng Cheng
Pulse-measure instrument has been widely used in our daily life. How to keeping monitoring pulses has risen to a vital important issue. This design uses infrared photoelectric sensor to measure heart rates by detecting blood which will get thicker when heart beats. The system using the AT89C51 microcontroller...

GIRRT Motion Planning Algorithm for Humanoid Robot

Hua-Zhong Li, Zhuo Liang
Aiming at such problems as unknown goal configuration, grasp space limitation, a large number of barriers in configuration space and high-dimension space redundancy during planning motion of humanoid robot arms grasping target, this paper proposes a generalized inverse rapid-exploring random tree (GIRRT)...

Degradation sensitivity of the image quality of UAV remote sensing based on CCD array Motion

Weixin Yang, Chuanrong Li, Guangyu Liu
Due to the CCD array and scenery relative motion, the image quality would be degraded. In order to get the relationship between the CCD array move quantity and the image quality, the corresponding degraded images are achieved by changing the CCD array velocity, pitch, roll and yaw variation. Then, the...

Research of Augmented Reality based on Unity3D

Jiahui Du, Pengkai Xu, Tingyu Hong, Yadong You, Fei Guo
At present, the development of the game is more and more quickly, in order to meet the demand of mass on the reality of the game interface, this paper introduces the technology of augmented reality and Unity3D respective characteristics and specific content, and then the analysis of augmented reality...

Real-time and Accurate Acoustic Indoor Localization With a Smartphone

Xiangji Wen, Danjie Huang, Wenhao Fang, Feng Lin, Yifan Huang, Zhi Wang
The requirement for specific indoor location is more and more pressing. However, traditional approaches can only achieve a low accuracy. In this paper, we put forward a new approach to evaluate the target position with the acoustical Linear Frequency Modulation Signal(LFM). Comparing with other acoustical...

Antibacterial Activities and Interactions Study of Ternary Lanthanide Schiff Base and Nitrogen-heterocyclic Complexes Bind to DNA

Yan-Fang Zhao, Jing-Jing Li, Yong-Liang Zhao
In this work, a series of ternary rare earth complexes were synthesized with salicylidene glycine schiff base (Sal-GlyK) as anion ligand and 2,2'-bipyridine (bipy), l, 10-phenanthroline (phen) as neutral ligand. The antibacterial activities and interactions between calf thymus DNA (ct-DNA) in Tris-HCl...

Data mining and analysis based on online teaching platform

Wanjiang Han, YiZhen Wang, Yi Yang
With the rapid development of the network and multimedia technology. students no longer simply rely on the teacher's teaching to obtain knowledge. This paper takes Beijing University of Posts and Telecommunications as an example to introduce the online course platform, which provides a wealth of teaching...

Screening Method Research on Main Water Polluters of Liao River in Fushun

YongYong Wang, Xiang He, Runlei Cai, Fan Wang
The water polluters of Liao river basin in Fushun is elected preliminarily basing on the basin of the key water polluters of Fushun city, combining with the principle of polluters screening and the computing method of equal standard pollution load, optimizing and assessing the indexes which involves...

Analysis of the information management level optimization of the information security in E-commerce

Qiumei Hu
In the rapid lead of the economy and information technology, electronic commerce has been developed rapidly. It is triggered a new round of the information security problem of e-commerce, information security is the platform of fundamental business can run smoothly. This article elaborates mainly the...

Applications of Push Technology in Mobile Social Network Development

Suduo Li, Kaiying Deng, Jingwei Deng, Yingxing Li
With the rapid popularization of smart devices, the traditional social network based on PC is gradually transferred to the mobile Internet. For the problems of mobile devices such as small screen, low power, bad browse experience, etc. using information push technology to publish and access real-time...

Multi-image Evaluation of Product Color Design based on Grey Relational Analysis

Zhi-xue Sun, Le Zhang, Chen Chen
To realize multi-image scheme selection of product color design, the grey relational analysis method was introduced into product color evaluation process. Through multi-image acquisition of product color design, users were asked to give their scores of each color scheme according to target multi-image,...

A Robust Estimation to Transmission Line Parameters Based on Huber Estimation with PMU data

Yanjun Zhao, Xiaoke Chen, Yue Zhang, Zihua Huang, Ancheng Xue
In the parameter identification for transmission line, there often exist the gross errors in the measured data and lacking of robustness with traditional least square. This paper applies the Huber estimation to the transmission line parameter estimation, i.e., proposes a robust least square estimation...

A Light Weight Energy Profiling Approach on Android Devices

Peixing Yang, Di Zhou
In recent years, the popularity of smartphones increases rapidly. Although the smartphone market is a sharp increase, its utility is still limited to the battery life. Therefore, much research effort has been made in order to understand the power consumption of the application to run on mobile devices....

Static Analysis of Memory Leak in Android Applications

Di Zhou, Zhengyu Fu
The popularity of Android applications have grown dramatically in the last few years. Android applications run on mobile devices that have limited memory resources. Although Android has its own memory manager with garbage collection support, many applications currently suffer from memory leak vulnerabilities....