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

Session: Session 2: Electronics, Electric and Power

99 articles
Proceedings Article

Research on Some Topology Model of Wireless Sensor Networks Based on Complex Network Theory

Kui LU, Xin Jin, Jian-dong Zhao, Jian-peng Sun
The placement of the wireless sensor networks in the wild or the unpopulated area makes it difficult for energy supplement, and vulnerable to damage, so it is of great importance to improve the overall network energy efficiency and prolong the maximum life cycle. In consideration of the energy consumption...
Proceedings Article

Simultaneous transmit and receive polarimetric synthetic aperture radar based on digital beamforming

Hao Wu, Dahai Dai
Synthetic aperture radar is a vital tool for imaging and remote sensing regardless of the villainous weather. Polarimetric synthetic aperture radar obtains the polarization characteristic of targets through polarized wave. This paper presents a novel technique, the combination of digital beamforming...
Proceedings Article

Research and Design for Intelligent Control Algorithm of the LF Furnace Electrode

You-jun Yue, Zhi-yong Sun
By the way of build a new model to intuitively response the temperature changes in the refining furnace, using the results of the temperature changes to control the output of the current, and achieve the purpose of accurate control and not waste resources. Combining temperature prediction with this model,...
Proceedings Article

Maritime wireless broadband communication system based on TVWS

Yonghui Zhang, Zhenjia Chen, Fang Dong, Baodan Chen
TV White Spaces (hereinafter referred to as the "TVWS") is the radio spectrum has not been used, is assigned to using in broadcast television. TVWS has the advantages of high transmission distance, strong penetrating ability, not easy to be absorbed by water, large amount of transmission unit data, etc.,...
Proceedings Article

Cleaning of mildew on the optical lens with an economical and ordinary Diode laser

Xinji Gan
Laser cleaning of the mildew on the optics lens with economical and ordinary Diode laser has been studied in this paper Mucor and Penicillium are the simples tested in the experiments. The mechanism of laser cleaning them is thermal effect through the interacting of photon and mildew It is demonstrated...
Proceedings Article

Multi Data Fusion Model Based on Information Entropy in Sensor Network

Li-ming Zhao, He-ping Liu
Data fusion is one of the research hotspots in the field of wireless sensor network. In allusion to the problem of excessive energy consumption of existing fusion methods, a data fusion scheme with minimized energy consumption is proposed in this article on the basis of the compressed sensing theory....
Proceedings Article

An Advanced Persistent Threats Awareness Technology Based on “Condensed matter”

Yutong Wang, Chaowen Chang, Zengbang Ma
Today, Advanced Persistent Threats have become typical network security threats. However, traditional methods of defense such as rule matching, virus database and vulnerabilities database can only reflect the characteristics of the known attacks. For the unknown APT attacks hidden inside the system,...
Proceedings Article

Study and Application of Cable Modeling Tools

Yongfei Yi, Yuanda Zhu, Lixia Wang, Zhen Zhang, DaHai Xu
With the rapid development of modern science and technology and the continuous advancement of industrial technology, more and more CNC bending machines have been applied in modern production and the development has become more mature. This paper introduces briefly a cable bending tool with the following...
Proceedings Article

Development of Multi-functional Electronic Power Assisting Device of Substation Equipment

Yongfei Yi, Yuanda Zhu, Ze Yang, Wei Wang, Xin Jin
The direct-current motor has been widely used in the modern electronic products, such as automatic control system, electronic equipment, home appliances, and electronic toys. The tape recorder, record player, recorder, and computer cannot work without the direct-current motor. So the control of the direct-current...
Proceedings Article

Development of the Special Tools for On-load Tap-changer Suspended Core

Yuanda Zhu, Su Zhang, Qishu Tang, Jia Shan, Zhen Zhang
In today's transmission and distribution system, large transformers are widely equipped with on-load tap changer (hereinafter referred to as OLTC) to ensure the voltage quality of the system and users. Due to the complex mechanical structure and high operation frequency, there are often abnormal situations...
Proceedings Article

Development of Digital Real-time Remote Training Demonstration Device

Yongfei Yi, Yuanda Zhu, Hengfu Zhan, Shaohong Zhu, Tiejun Gao
Real-time display system for remote training consists of video recorder with wireless transmission module, relay router, display terminal and video recorder carrier with multiple wireless transmission modules. The display terminal includes projector, desktop, tablet computer or smart phones. The video...
Proceedings Article

Study and Application of 220kV Substation Relay Protection Training System

Ting Yuan, He Zhang, Shusen Liu
With the large-scale application of power electronics technology and computer technology in grid operation, automation level of the grid production and operation maintenance in China is increasingly higher, which also proposes higher requirements on the professional theory and skills of frontline staff...
Proceedings Article

The Development and Application of Power System Relay Protection Technology

He Zhang, Lin Sun, Jing Zhang, Deguo Zheng, Liang Wang, Xiaoyu Weng, Jun Jiang
This article mainly tells the development of power system relay protection technology, application status and application prospect in the future, and for the relay protection device equipment type selection, function analysis, this paper introduces the current mainstream of relay protection technology,...
Proceedings Article

Study on the application of the integrated protection and control device for 220kV intelligent substation

Ting Yuan
Power system is a complex and huge network composed by power generation, transmission, substation and distribution, of which substation is an important part. In this aspect, the intelligent degree of substation is especially important. The 220kV substation of high intelligent degree is built in Hejia,...
Proceedings Article

Comparative fault location algorithms for regional distribution network with distributed generator

Xiaoxue Wang, Zhenxing Li, Yun Wu, Jinwei Zhang, Yumeng Fan, Liang Wang
Traditional matrix algorithm endures advantages of low requirements in FTU, high accuracy in Single–supply and radiation distribution network and so on. However, it will meet with erroneous judgment when it is used traditional matrix algorithm as long as it inserts with distributed generator. This article...
Proceedings Article

High Efficient Link Schedule with Spatial Reuse in Relay Enabled Broadband Wireless Networks

Hanwu Wang, Liping Chen, Tao Yu
The relay enabled broadband wireless access is based on the IEEE 802.16j standard and acts as a promising technology to construct the next generation high speed metropolitan area networks. However, the link schedule and the relevant resource allocation, which is a key challenging issue in such networks,...
Proceedings Article

A Method of General Data Interface’s Design And Implementation Based On IEC 61850

Zhencai Cai, Zhijun Tang, Xia Wang, Jiwen Lian, Xiaodong Zhou, Jinshan Chen, Bolong Zhai
this article describes a method of general data interface’s design and implementation based on IEC 61850. This method puts interface data of communication and other function components in real-time database of the equipment, which also sets up a mapping method of the correlation of IEC 61850 and real-time...
Proceedings Article

A Portable Test Device for Smart Substation Based on PXI Bus

Zhencai Cai, Zhijun Tang, Bolong Zhai, Guodong Lin, Chaoping Deng, Jinshan Chen
In debugging and testing process of the intelligent substation process level intelligence unit ,it need to build multiple sets of test environments, with the wiring complexity and low efficiency. For this case, we design of a portable intelligent substation testing device based on PXI bus, describe the...
Proceedings Article

Power Management Based on Droop Control in DC Microgrid

Pu Xie, Run-Sheng Yang, Jin-ning Liu
This paper deals with a DC-micro-grid with renewable energy and conventional energy. In the DC microgrid system, it is a key problem to keep balance between supply power and demand power. Based on the analysis of the operational priority of micro source and load, the priority model of micro source and...
Proceedings Article

Design of A Compact Four-Way Micro-strip Power Divider

Xiaotao Cai, Huifeng Wang, Xiaosong Qu, Limin Zhang
A four-way micro-strip power divider is proposed in this paper, which has compact structure. During the operation frequency band (2-4GHz), the designed power divider has good performance of impedance matching at five ports and the measured VSWR of each output port are all less than 1.25. The isolation...
Proceedings Article

The electromagnetic field simulation and analysis of curved radiator

Lizhi Jiang
With the development of electromagnetic simulation technology, demand for electromagnetic radiation sensor is improving. The reasonable design of transmitter electromagnetic simulation technology has become a key. In this paper, the curved radiator of the electromagnetic radiation field by finite element...
Proceedings Article

The optimized schemes of optical labels about DB and PPM over POLMUX-CSRZ-DQPSK payload in 100Gb/s OLS network

Ying Li, Ming Xu, Tiansheng Zhang, Yan Li, Jianhua Ji
Two orthogonal modulation optical label switching (OLS) schemes, which are based on payload of polarization multiplexing-carrier suppressed return to zero-differential quadrature phase shift keying (POLMUX-CSRZ-DQPSK) with label identifications of duobinary (DB) label and pulse position modulation(PPM)...
Proceedings Article

A practical Shunt Capacitor Placement Algorithm in Distribution Network

Zhilai Lv, Wei Wang, Hai Li, Dejin Wang, Zifa Liu, Yunpeng Wang
For capacitor shunt placement the proposed methods do not consider the following conditions; there are few measures and the first compensation points are easily over compensation in distribution networks. So this paper proposes a practical method that can full of utilize the available measures and avoid...
Proceedings Article

The Research of Spread Spectrum Communication Based on the Realization of FPGA

Dajiang Zhang, Jianye Wang, Junjie Liu
It gives the functional block diagram of the transmitter of the spread spectrum communication (SSC) with the spread spectrum code of Pseudo-Noise code and the modulated way of ASK (amplitude-shift keying), and then realized the common ASK transmitter and the corresponding SSC method on the FPGA (field...
Proceedings Article

Signal Estimation under Specific Direction based on Extrapolation Method

Tingting Li
For the problem of space spectrum cannot reserve the original time-domain signal under specific direction after beamforming, a method of primitive signal estimation based on the results of beamforming is proposed. The method proposed is based on the traditional extrapolation, and can be used to estimate...
Proceedings Article

Blind Doppler Rate Estimation for PSK Signal

Xin Cai, Xiang Wang, Zhi-Tao Huang, Feng-Hua Wang
We propose a novel blind Doppler rate estimator for phase shift keying (PSK) transmissions. The issue may arise in mobile radio links when the received signal experiences non-negligible time-varying Doppler distortion, as in low earth-orbit satellite systems and terrestrial mobile cellular radio systems....
Proceedings Article

Design of laser detection instrument of a certain type of missile

Yuanjia Cao, Guangjun Yu, Xiwei Guo
This paper introduces a laser detection instrument for calibration the optical axis parallelism between laser transmitter with small field of periscope optical aiming mirror, and also it can measure laser transmitter power and view spot diameter of the main, minor zoom field and fixed foci small field...
Proceedings Article

Characteristics Analysis of Aging Composite Insulators

Yue Cao, Zhibo Zhang, Xuan Chen, Ming Chi, Chuanmin Chen, Ke Du, Jing Zhang
Composite insulators have been widely used for transmission line, which have been noted for the aging problem with the increase of the installed number and service time. Characteristics analysis of aging composite insulators were analyzed using attenuated total reflect ion infrared spectroscopy (ATR-FTIR)...
Proceedings Article

Optical system design for micro star sensor

Tuo Zheng, Haiyang Quan
Star sensor is an important part of the attitude control of a space vehicle. The advantages and disadvantages of the optical system determine the accuracy of the whole star sensor system. In order to adapt to the development of China's space needs, a star sensor optical system was designed by a domestic...
Proceedings Article

The Application of Wavelet Transform in Real-time Data Compression of Power System

Jia Wu, Dan Su, Wei Song, Rui Yang, ShengPeng Ji, Xianhui Li, Anmeng Wang
For power system real-time data capacity is large, and the actual storage space is limited. This paper proposes a real-time data compression method based on wavelet transform. This method compress and decompress real-time data in power system through compactly supported orthonormal wavelet. The results...
Proceedings Article

A Review of Topologies, Controls, and Applications of Multilevel Inverter

Zheng Lu, Honglin Ouyang, Muxuan Xiao
Multilevel inverter has the advancements of high output voltage, high output power, output voltage waveform being similar to sinusoidal wave, small variety rate and little EMI. Due to these features, multilevel inverter has wide application prospect in comprehensive treatment of power quality, traction,...
Proceedings Article

A Design of M-LVDS Transmitter IP

Yi Shi, Yuan-fu Zhao, Su-ge Yue, Qiang Bian, Yan-tu Mo
Multipoint low voltage differential signaling (M-LVDS) [1], who’s electrical parameters meet the requirements of ANSI/TIA/EIA-899 standard, is a widely used technology in multipoint interconnection. Through the study of the standard, the wide-swing current mirror technology was proposed to satisfy the...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

Adaptive Scheduling Based CPU/IO in Storm

Xinli Zhang
Storm is a real-time streaming of Big data processing field tools. But the task of topology will even divided to the executors in worker node,which as default scheduler. It neither consider internal solt transmission delay time, nor consider transmission delay between nodes, but does not consider the...
Proceedings Article

Evaluation Technology for Wind Power Access in Regional Power Grid Based on PSD-BPA

Jian Bai, Yin Huang, Youjun Wang
With the large-scale construction of wind farms, the access of the wind farms affects the voltage of regional power grid. Power grid data in the South China region is built on the PSD-BPA system, and the PSD-BPA data of the current region can be obtained from the superior power grid. According to the...
Proceedings Article

Energy storage station and Distributed power Synergistic dispatching management system

Peng He, Kun Li
Based on power grid dispatching automation platform, Establishing distributed resources cooperative scheduling management system, including wind power, biomass power generation, photovoltaic power generation and energy storage electric vehicle charging stations. The use of intermittent, renewable energy...
Proceedings Article

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...
Proceedings Article

Preliminary study of the thermoelectric power generation theory

Bin Wang
Thermoelectric power generation technology has many advantages, no medium leakage, no wear, no noise, small size, light weight, convenient movement and high reliability. It is also not limited by temperature, so it shows great superiority in the recovery of low grade heat source utilization. This paper...
Proceedings Article

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...
Proceedings Article

Analysis on anonymity of P2P anonymous communication system

Chenfei Xu, Hua Zhang, Qiaoyan Wen
Most of existing anonymous communication systems adopt “mixes” nodes to encrypt and relay the communication messages. Extensive works have been done on this field to find methods that can effectively resist the attacks. However, the adversaries can perform the attacks through the relationship between...
Proceedings Article

Study of tungsten deposited on amorphous Si, Si (111) and SiO2 using direct-current magnetron sputtering

Rui Zhang, Xiangquan Jiao, Hui Zhong, Yu Shi
Tungsten (W) commonly serves as the electrode layer or acoustic reflector layer for the highly columnar growth of AlN piezoelectric thin films used to fabricate film bulk acoustic resonators in power applications. The structure of W film directly influences the texture of AlN thin films above. Moreover,...
Proceedings Article

Research on Elevator Energy Feedback based on Active Inverter

Zeyu He, Jinhu Liao
Aiming at reducing the elevator’s energy consumption, this paper analyses the energy feedback technology, and designs an energy feedback system used for elevator which can return the extra energy to the power grid in the generating state of the motor. The system adopts active inverter technology to achieve...
Proceedings Article

Radar Network Threat Estimation Based on Beidou

Limin Liu, Yan Song
Networking radar can make full use of resources and due to the advantages of single radar, making the detection, localization, tracking, identification, and other aspects of the threat of judgment performance has been greatly improved. With the gradual improvement of the Beidou system, powerful communication...
Proceedings Article

A Simple Method of Ship Dynamic Trimming Optimization

Qiang Zhang, Zhaoxin Zhou, Xiangxin Cheng, Na Jiang, Fanyi Kong
In order to cope"Guidelines for voluntary use of Energy Efficiency Operational Indicators( EEOI)", a simple method of adjusting ship trimming of a voyage has been attempted,which can minimize the energy consumption and economize cost.A method of ship dynamic trimming optimization base on loading computer...
Proceedings Article

An Exploring Research on Key Technology of CAN Bus Configuration for the Industrial Automation Applications

Xuexuan Zhu
Herein fieldbus control system configuration software is hardware platform, the first about the definition and development of domestic and international fieldbus, specifically discusses the characteristics and hierarchical structure CAN bus, followed by a detailed analysis of the development of the configuration...
Proceedings Article

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...
Proceedings Article

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.
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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....
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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....
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

Research on the Disposition Method of Ship Borne Early Warning Helicopter

Jianguo Wang, Qun E, Jinzhu Meng, Keming Yao, Xinlong Wan
The ship borne air early warning(AEW) helicopter has a good character of the good maneuvering, widely-used range, and could carry on the frigate formation, it is the effective supplement of the fixed-wing AEW aircraft. According to the characteristics of the application of the ship borne early warning...
Proceedings Article

A Study on Restraining Sub-synchronous Resonance basic on Flexible AC Transmission Technology

Yan Liu
To increase the transmission capacity of remote high voltage transmission system, the series capacitance compensation of power network is a very economical and effective common measure. But, when electric power system is connected in series with the power transmission system of capacitance compensation...
Proceedings Article

Research and Application of BSG Motor Control Technology with a Start-stop System

Jiapeng Lu, Youde Li, Jinghua Lv
by developing a start-stop system of a BSG motor, this paper systematically presents the vehicle control principle, strategy and verification and assessment indicators of the start-stop system, and applies it successfully in a motor. Exhaust emissions and fuel-consumption tests of a vehicle were performed...
Proceedings Article

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...
Proceedings Article

Research on charging pile construction pattern for Communication scenarios

Xiaohui Xu, Yirong Su, Yangyang Xi, Jinsong Liu, Hongchun Yao
In allusion to the increasing demand of electric vehicle, the elements that the AC charging pile construction which can adapt to multiple scene application is required to follow has been proposed through the analysis of the electric vehicle charging user's demand characteristics under different scenarios,...
Proceedings Article

Parameter Identification of High-Power, High-Voltage Motors Using Electrical Parameter Estimation Function

Yifei Wang, Youxin Yuan
An asynchronous motor model in MATLAB/Simulink was selected as the simulation model of high-power, high-voltage (HP HV) motors for its structural suitability. The required electrical parameters of the model (i.e. simulation parameters) were then identified by an appropriate method. Based on the obtained...
Proceedings Article

Application of static tilt adjustment evaluation method in optical recording

Wei Guo, Jianghua Zhang
In the optical recording equipment, the angle between the disc and the optical pickup head is the important parameter of the traverse. In this paper, by establish a set of static tilt angle adjusting device, we introduces the static tilt adjustment principle and derive the theoretical formulas.
Proceedings Article

Cellular Antenna Location Optimization in Distributed MIMO Systems

Man Sun, Yueheng Li, Tuanjie Xue, Ping Huang, Feng Wang
In this paper, the optimization of antenna location of a distributed MIMO (DMIMO) systems in a circular cell based on advanced particle swarm optimization (PSO) algorithm is analyzed. Firstly, a composite fading channel including small scale fading, path loss and shadow fading is established; then, a...
Proceedings Article

A Secure Scheme for Wireless Sensor Networks Based on Symmetric Polynomials

Yuquan Zhang, Lei Wei
A security scheme for wireless sensor network based grids is given through using the symmetric polynomials. The sensing equilateral hexagon is divided into a number of sections called grids in which both ordinary sensor nodes and powerful sensor nodes are distributed evenly. All sensor nodes including...
Proceedings Article

Course teaching design of imaging electronics based on task driven :For electronic sphygmomanometer regulated power supply

Xingshan Li
Task driven teaching method applies to learning of action class knowledge and skills,especially for electronic technology application knowledge and learning skills. The implementation of the task driven teaching method mainly includes establishment situation, extraction task, task analysis, raise a question,...
Proceedings Article

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....
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

Research on Optimization Energy Management Strategies Based on Driving Cycle Recognition for Plug-in Hybrid Electric Vehicle

Yong Ren, Guanlong Yang, Wei Liang, Jie Liu, Xueyong Tian
In order to make the plug-in hybrid electric vehicle obtain optimal energy consumption economy and adapt to more complex working environment, the optimization energy management strategies based on driving cycle recognition were made. First, six kinds of cycle as standard working were selected to represent...
Proceedings Article

Research and Simulation of fault detection method for small electronic equipment

Zhaomin Zeng
in the process of studying fault detection method for small electronic devices, when using current algorithm for small electronic equipment fault detection, too many constraints results in incomplete detection, large error and time consuming. To this end, a fault detection method for small electronic...
Proceedings Article

Study on Thermal Effect Model of Laser Irradiating Moving and Rotating Target

Weiwei Kang, Zhiyi Qu, Donglai Zhang
A heat conduction model is presented in this paper, with the background of ground-based laser irradiating flying target. Firstly, the encounter scene of laser irradiating target is assumed, and the parameters of laser and flying target are given. Secondly, the calculation models of irradiation radius,...
Proceedings Article

Impact study of electrode and discharge in shock tube act to the shock flow

Shuangyan Shen, Xing Jin, Peng Zhang
It received wide attention of the plasma enhance ignition. Shock tube is important equipment for the measurement of hydrocarbon fuel ignition. The schlieren system was adopt to observe the flow field in the shock tube. The influence of the discharge in low pressure section in the shock tube for incident...
Proceedings Article

Application of the S7-200PLC and KINGVIEW6.53to the constant pressure water supply system with variable frequency

Yan Bai, Bei Sun, Zhiyi Zhang
With the rapid development social economy, on one hand, people’s request to enhance the quality of water supply and the water supply system reliability is increased continuously.The design of the system is the VF water supply systems that controlled by PLC of Siemens S7-200 series and Kingview software.and...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

The Design Of High-precision, High-capacity, Multi-channel Synchronous Data Acquisition System Based On STM32

Nan Jin, Yuanzeng Chen
In recent years, with the development of computer and electronic technology, it provides the necessary conditions for the collection of data and the development and application of storage systems. Therefore, combining with the current actual demands, this study analysis and designs the high-precision,...
Proceedings Article

Classification of transient power quality disturbance based on S-transform and fuzzy KNN

Hong Men, Jia Liu, Yilong Hao, Chunlai Li
This paper proposed a new method to classify transient power quality disturbances using S-transform and K-Nearest Neighbor classifier. First, S-transform was applied to perform time-frequency analysis on the power quality disturbance signals, and the S-transform mode time-frequency matrix was achieved...
Proceedings Article

Application of Electric Information Acquisition and Analysis Platform in Energy Saving and Reducing Loss

Xinze Jiang, Lifang Wang, Chengshuo He, Yuefeng Gu, Lizong Wang, Chengzhe Dong, Wenxin Han
With the development of market economy, the management system of power supply enterprise gradually improved, and the “line loss rate”, which affects its comprehensive technical and economic indicators, is becoming increasingly significant, especially driven by the interests, criminals use a variety of...
Proceedings Article

The Current Situation and Development Trend of Micro-/nano-sensor and MNPTS

Jinyong Zhu, Lidong Wang
In recent years, with the development of microelectronics technology of mechanical system, micro-/nano-sensor based on micro electro mechanical system (MEMS) technology has been widely used in the field of national defense and civil. Micro-/nano-sensor, especially in the micro air vehicles (MAVs) navigation...
Proceedings Article

Research of new structure super fast recovery power diode

Li Ma, Linnan Chen, Yong Gao
This study aims to greatly improve the reverse recovery characteristics of the fast recovery diode by changing the diode structure. Through adjusting the doping concentration, thickness and width of anode p area and considering its impact on device characteristics, it effectively reduces the reverse...
Proceedings Article

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...
Proceedings Article

Improved Weiner Filter Used in Speech Enhancement

Jian Peng, Fei Qi
The aim of speech enhancement is to extract pure primary speech from the signals with noises as much as possible, to eliminate the background noises, to improve the sound quality and to improve the articulation, intelligibility and comfort degree of the speech. In order to minimize the residual noise...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

A Method of Tainted Data Detection Based on Static Code Analysis

Yifei Xiao, Dahai Jin, Dalin Zhang
In the modern society, with the high-speed development of computer science and technology, the wave of the Internet economy is around the world, the use of computer software in every corner of our lives, various applications emerge in endlessly, people pay more and more attention on software security....
Proceedings Article

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...
Proceedings Article

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...
Proceedings Article

Design of a Single-phase Asynchronous Motor under the Wide Voltage and Realization of MATLAB Program

Linsuo Zeng, Xiaoji Huai, Sen Lv
In a single-phase power supply system with the relatively large range of voltage fluctuation, an ordinary single-phase asynchronous motor is difficult to run normally. In order to solve this question, a new type of single-phase asynchronous motor running in the wide voltage range is proposed. In this...
Proceedings Article

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...
Proceedings Article

Application of Power System Short-Term Load Forecasting Based on Wavelet Analysis

Linsuo Zeng, Xinmiao Jia, Jiafeng Xu, Yuliang Jia
Power load forecasting is an important part of power grid scheduling,operation and maintenance.It is also the basis of economic operation and security of electric power system.It has important significance to the stability and development of electric power system.This paper introduces the theory of wavelet...
Proceedings Article

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...
Proceedings Article

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)...