Proceedings of the 2016 International Conference on Advanced Electronic Science and Technology (AEST 2016)

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141 articles
Proceedings Article

An assembly system based on industrial robot with binocular stereo vision

Hong Tang, Nanfeng Xiao
This paper proposes an electronic part and component assembly system based on an industrial robot with binocular stereo vision. Firstly, binocular stereo vision with a visual attention mechanism model is used to get quickly the image regions which contain the electronic parts and components. Secondly,...
Proceedings Article

Multiple kernel support vector machine short-term load forecasting based on multi-source heterogeneous integration of load factors

Jun Gao, Meng Nie, Ying Zhen, Qianhong Wu, Yanda Wu, Pengli Qiao, Pei Li
In this paper we present a novel method developed from multiple kernel function for short term load forecasting to integrate multi-source heterogeneous load factors in big data. Nine kinds of load factors were selected as multi-source heterogeneous factors. In the proposed method, three algorithms (the...
Proceedings Article

Multi-output current source with ripple cancellation by optimal magnetic components

Di Zhang, Donglai Zhang, He Liu
High integration, high power density has become the development trend of power supply. Computer, automobile and aviation often require multiple output power, in order to meet all kinds of load, and the filter of current type output for the power supply should be a larger challenge. The input voltage...
Proceedings Article

The application analysis of adaptive filter based on polynomial AR model in GPS dynamic positioning

Xianglei Wang, Guitao Fu
When modeling for colored noise, order number and the coefficient of determination of the model is a difficult problem, real-time computing applicability is very good, although but increased filtering calculation burden. Therefore based on the polynomial approximation theory, this paper proposes a polynomial...
Proceedings Article

Numerical simulation of the target echo of radio fuse in missile-target encounter

Yanjie Cui, Ziwei Wu, Man Liang, Jianguang Zhao, Wenqiang Chen, Xiangyang Zhang
In order to meet the requirements of fuse's digital simulation, an algorithm based on the electromagnetic scattering modelling technique of complex targets in the near field is proposed to calculate the echo power of fuse in missile-target encounter. The main research work in this paper involves the...
Proceedings Article

Multi-camera tracking algorithm study based on information fusion

Guoqiang Wang, Shangfu Li, Xue Wen
Intelligent video surveillance technology is a part of pattern recognition used for analyzing, extracting and recognizing behavior characteristics of a moving target basing on computer algorithms. The target tracking algorithm combines particle filter and Mean-shift in overlapping multi-camera environment...
Proceedings Article

Remote sensing image fusion based on orientation information in nonsubsampled contourlet transform domain

Yunxiang Tian, Xiaolin Tian
For improving the traditional fusion algorithm quality and detail information, a fusion algorithm based on orientation information and pulse coupled neural networks (PCNN) in nonsubsampled contourlet transform (NSCT) domain has been proposed. Firstly, convert the multispectral (MS) image into intensity...
Proceedings Article

Macro-texture perception through active and dynamic touch

Wenjing Chen, Nan Li, Liangzong He, Lantao Huang, Tao Zeng
The tactile mechanism of texture perception is getting well figured out, resulting in the emergence of texture rendering devices. It is worth noting that the textures in these studies have interior space gap in the millimeter level and below. This kind of textures is called "fine texture". In contrast,...
Proceedings Article

K-coverage prediction optimization for non-uniform motion objects in wireless video sensor networks

Yibo Jiang, Shanghao Sheng, Nianhua Wang, Jiadong Mei
The existing wireless video sensor networks tracking algorithms have much higher performance requirements of the sensor node in networks. For solving this problem, we propose a new target trajectory prediction model for non-uniform motion, which takes all the possible locations of each target at next...
Proceedings Article

Effectiveness evaluation of data link based on the improved grey interval correlation degree

Tao Jia, Weibin Zhao, Guoqing Huang
To solve the problem of the fuzzy multiple attribute decision making, the improved grey interval correlation degree was proposed. In the improved method, the attribute values took the form of the interval numbers; it proposed an algorithm for comparing the size of interval numbers and used the combination...
Proceedings Article

Random vector space approach applied in integrated navigation information fusion of UAVs

Rongjun Mu, Yuntian Li, Yongzhi Shan
Federated Kalman Filter (FKF), is the most widely used distributed data fusion algorithm. Whilst FKF required local systems of the same system model, which is difficult to satisfy in most circumstances. How to balance the estimation accuracy and the calculating load is an urgent problem needs to be solved....
Proceedings Article

A tracking algorithm based on classification information

Li Ren, Zuzong Muo
With the development of the sensor, the sensor can get more information of targets. Therefore, Scholars start to research new information of targets and a variety of methods are emerged in the process of exploring. It is meaningful for multiple targets tracking that if the sensors can distinguish target...
Proceedings Article

Extraction of road congestion information by change detection of multi-temporal satellite observing images

Yan Wang, Hong Zhou, Hua Xu, Zhonghua He, Liping Lei
Road congestion has been significantly affecting our live and environment. It is important to get the information of traffic congestion in a real time. In this study, we present an approach by the detecting the vehicles to view the traffic conditions using the satellite observing image from Gaofen-4...
Proceedings Article

Sound pressure level calculation methodology investigation of corona noise in AC substations

Xiaowen Wu, Nianguang Zhou, Chunming Pei, Sheng Hu, Tao Huang
In order to improve the measurement accuracy of corona noise in AC substations, the characteristics of different noise sources are measured and analyzed. Wavelet analysis method is employed to decompose the original noisy corona signal. A stop-band comb filter is designed to process the reconstructed...
Proceedings Article

A solar energy resources estimation method based on EOF and ARMA model

Qiang Zhou, Libin Yang, Hai Zhou, Jie Ding
A method to estimate solar energy resources was introduced in this paper. Based on the solar data observed by meteorological stations, the temporal-spatial characteristics of solar energy resources in the west of China were analysed by EOF. The main modal was determined and its time series was forecasted...
Proceedings Article

Automatic segmentation of spinal cord injury using coarse-to-fine strategy

Jiali Cui, Yubo Ma, Wei Xie, Yiding Wang, Ruiming Jia
Medical image segmentation is a key issue in the field of medical image processing and analysis. Segmentation of spinal cord injury draws interests of researchers recently. To eliminate human computer interaction in segmentation of spinal cord injury, an automatic segmentation of spinal cord injury is...
Proceedings Article

A fast detection method for changed land using UAV remote sensing image

Hongfei Huang, Xiaoguo Zhang, Jiadong Lv, Meijiao Xu
This paper proposes a fast detection method for changed land using UAV remote sensing image. Firstly, a series of SURF feature points on the old time phase orthoimage are retrieved and stored into a matching database. Secondly, through the establishment of coarse - fine double matching recursive model...
Proceedings Article

Classification retrieval method on planter design

Jing Zang, Lidong Fu, Chenghua Li
In order to increase efficiency in digital design on single and small batch Spade Punch Planter, The structure and attribute set of all-level case was described based on case base and a improved the classification retrieval strategy on the multi-level case for finding optimal reused case were developed....
Proceedings Article

Character information extraction based on CRFsuite

Jingzhong Wang, Zhongren Li, Wei Huang, Ke Xiao
By applying the Conditional Random Fields based on discriminant undirected graph to character information extraction, this paper proposes an automation character information extraction method based on CRFsuite. Through learning the known domain, this method extracts the feature leading words, position...
Proceedings Article

Subspace intersection using acoustic vector sensors by extracting main eigenspace of modal subspace

Weiwei Ai, Jinyu Xiong, Xiaoyong Zhang
The subspace intersection method using acoustic vector sensors [5] provides unbiased bearing estimates in a range-independent shallow ocean with the advantage of both subspace intersection(SI) method and acoustic vector sensors(AVS) array. But its robustness is poor. In this paper, an improved SI method...
Proceedings Article

Automatical object identification based on Hu moments

Hongrui Lin, Xiaoguo Zhang, Gang Chen
At present, the domestic production of the winding workpiece automatically has been achieved, but the workpiece inspection is mainly relied on human eyes. As the workers is easy to be fatigue, which often causing error checking. In order to improve the efficiency of product inspection and found the problem...
Proceedings Article

Grasping force control of a tendon-driven prosthetic finger based on force estimation using motor current signals

Wendi Zhuo, Yi Zhang, Hua Deng
A force estimation model using motor current signals was deduced in this paper for a tendon-driven prosthetic finger grasping objects with its distal phalanx. Models of the prosthetic finger were first established. As driving moment of each joint could be calculated form motor current, stable grasping...
Proceedings Article

Grasping force estimation for prosthetic hands via feature extraction of surface EMG

Lisha Xu, Gaoke Zhu, Xiaogang Duan
A prosthetic hand with a self-regulated grip force could achieve different operation modes, which can help the upper limb amputees to fetch objects of different shapes. To get the appropriate grasping force with smaller samples and shorter training time, the method of threshold value judgment in this...
Proceedings Article

Force control of an underactuated prosthetic hand based on sliding mode with exponential reaching law

Huanxin Luo, Rong Hu, Hua Deng
The design of a sliding mode force control system for an underactuated prosthetic hand system are addressed in this study. First, a mathematical model of underactuated prosthetic hand is developed and state equation of DC motors is discussed for force control. Next, sliding mode force control based on...
Proceedings Article

Micro-Doppler modeling and simulation research of several typical micro motion forms

Haiyang Zhang, Shen Li, Zheng Zheng
A Micro-Doppler mathematical model of the point target and radar is established in the four kinds of micro motion forms: vibration, rotation, tumbling and cone. A new method of detecting Micro-Doppler features is introduced: double pulse laser coherent detection, combining algorithm principle and mathematical...
Proceedings Article

An image fusion method based on wavelet transform

Shun Na, Jiao Xue, Yang Liu, Yinghui Zhang
In some researches of image fusion, the wavelet transform (WT) often contribute more useful information. The objective of image fusion is to combine relevant information from two or more images of same scene into a single composite image, which is more informative. In this paper, an image fusion method...
Proceedings Article

Analysis of higher-order statistics for modulated signals

Shun Na, Nan Wu, Yinghui Zhang, Yang Liu
The higher-order statistics method can process non-Gaussian (that needs to consider non-Gaussian, colour noise, non-liner, non-minimum phase or cycling stability message) effectively. Furthermore these methods can provide more useful message than second-order statistics based methods. In this paper,...
Proceedings Article

Hybrid control of high power factor AC/DC regulated power supply

Hongli Cheng, Yuanyuan Guo
The control circuit of two-stage power factor correction(PFC) is complex, and the volume of power supply is large because of high voltage ripple of the first stage filter capacitor. Towards to this deficiency, a two-stage PFC circuit based on chip and ARM hybrid control is designed. The first stage is...
Proceedings Article

Robustness analysis of digital image spearman's rho correlation

Wanghua Huang, Qinruo Wang, Weichao Xu, Yanzhou Zhou
The presence of salt-and-pepper noise in speckle image prevents the precise measurement of deformation and displacement fields in the traditional digital image correlation (DIC) technique. Spearman's rho (SR) has been introduced as a kernel correlation function in the DIC. The robustness of SR is quantitatively...
Proceedings Article

Chaotic characteristics analysis of simulation signal of ultrasonic nonlinear modulation effect

Hanying Mao, Yuhua Zhang, Hanling Mao, Zhenfeng Huang
The effectiveness of chaos and fractal theory in analyzing ultrasonic nonlinear modulation signal was theoretically verified and a new way of using chaos and fractal theory in nondestructive testing is provided based on the simulation signal of ultrasonic nonlinear modulation effect. By constructing...
Proceedings Article

Study on an automatic detection device for the enclosed turbine runner chamber based on real-time image acquisition

Xiangwei Yang, Yunlong Liu, Wenbo Li, Dengke Li, Dingjie Shen
Due to the consideration of the existing testing technical problems for the key hidden metal components of the turbine runner chamber, such as the poor reliability and the larger detection blind spots under the downtime without opening the cover of the hydropower turbine runner chamber, an automatic...
Proceedings Article

A time-space consistency solution for hardware-in-the-loop simulation system

Zexin Jiang
Time-Space consistency is critical while designing hardware-in-the-loop simulation (HILS) system, due to the HILS system's Real-Time performance need. We find out that devices in HILS system can be classified into two types -- positive device and passive one. And only the positive device would generate...
Proceedings Article

The study on a novel Buck-Boost DC-DC converter

Xupeng Fang, Haoshu Li, Yulin Xu
In this paper, a novel topology of DC-DC converter is proposed. The working principle of the new topology is analyzed, and the voltage relation of each part of the circuit is deduced. And the comparison with the Z source DC-DC converter is performed, the feasibility and advantages of the new DC-DC converter...
Proceedings Article

High frequency isolation dual-active-bridge converter with optimal control scheme based on solid-state transformer

Liang Wang, Zhiyun Bao, Yi Wang
This paper presents the design of high-frequency transformer isolation bidirectional DC/DC converter based on solid-state transformer (SST). A phase-shift dual-active-bridge (DAB) converter is employed to achieve high-frequency galvanic isolation, bidirectional power flow, and zero voltage switching...
Proceedings Article

A noise calculation and experiment with analog ROF transmission module

Xiaojing Wang, Mingyu Lin, Yaoting Yang, Guihua Han
ROF technology is widely applied in high speed wireless communications of large capacity, ROF system can introduce noise simultaneously, affects the system's noise figure. This paper calculated in detail the noise figure of the analog ROF transmission module, used the classic noise theory of the analog...
Proceedings Article

Study of maximum power point tracking based on impedance module analysis method for grid-connected PV generation system

Ning An, Baochun Lu, Baoguo Li, Zhonglin Zhang, Tao Wang, Hong Bai
In this paper, a new method of maximum power point tracking(MPPT) based on impedance module analysis is presented in two-stage three-phase grid-connected PV system. The method can obtain maximum power from PV array by adjusting duty cycle of DC Boost converter based on taking advantage of internal resistance...
Proceedings Article

Study on SLT calibration method of 2-port waveguide DUT

Wenqiang Luo, Anyong Hu, Kai Liu, Xi Chen
SSLT (Short-offset-Short-Load-Through) is a classical calibration method of VNA (Vector Network Analyser) which needs multiple assembly of the standard parts and exists the impact of the phase in the millimetre waveband. Aimed that the S11 of the two-port waveguide DUT is less than -10dB, a simple SLT...
Proceedings Article

Soft-switching dual full-bridge converter with reduced circulating loss and voltage stress of secondary rectifier

Kaimin Shi, Donglai Zhang
This paper proposes a novel soft-switching dual full-bridge converter with shared lagging leg and dual outputs in series. Resonant clamp circuits are employed across the secondary rectifiers to reduce the voltage overshoots of the secondary rectifiers, as well as extinguish the primary current during...
Proceedings Article

Research on direct power and torque with space vector modulation for a Dual-PWM converter

Huaqiang Zhang, Xiujing Qin, Fanhua Meng
This paper proposes an integration control algorithm with DPTC-SVM for a Dual-PWM Converter to optimize the parameters of the rectifier and inverter. The control algorithm utilizes direct power control for the PWM rectifier and direct torque control for the PWM inverter. Compared with the traditional...
Proceedings Article

Study on electrical energy meter for energy measuring under harmonics condition

Rui Wang, Jing Yuan
In this study, the principle and influence of electrical energy meter measurement were analyzed under harmonics condition. Subsequently, a test platform was set up to investigate the impacts of three typical harmonic waveform on the performance of electrical energy meter. The electric energy measurement...
Proceedings Article

A high speed Montgomery processor of 256-bit on FPGA

Xiaonan Zhang, Xiuze Dong
To improve the speed of modular multiplication operation on ECC processor over GF (p), the paper presented a novel hardware implementation of Montgomery algorithm. Based on analyzing basic Montgomery modular multiplication algorithm, this work applied multi-step operation to Montgomery algorithm, which...
Proceedings Article

Investigation of gate pulse induced interface trap behaviours and its relationship with threshold voltage instability in Algan/Gan-On-Si MIS-Hemts

Bin Dong, Jie Lin, Ning Wang, Lingli Jiang, Zongdai Liu, Kai Cheng, Hongyu Yu
By measuring transfer characterises before and after a given number of specific pulse cycles applied on the gate electrode for AlGaN/GaN MIS-HEMTs, the threshold voltage (Vth) instability is investigated. Furthermore, by measuring the change in transient gate capacitance (ΔC) under different pulses,...
Proceedings Article

Quantitative characteristics of traps in AlGaN/GaN MIS-HEMT via transient capacitance measurement

Jie Lin, Bin Dong, Ning Wang, Zongdai Liu, Lingli Jiang, Kai Cheng, Hongyu Yu
The electrical property degradation of AlGaN/GaN MIS-HEMT, including degradation of output characteristics, a higher ON-resistance and a threshold voltage negative shift (~1.8V), is correlated with near-interface trap behaviours in SiN/AlGaN. These traps are quantitatively characterized using the transient...
Proceedings Article

Simulation and experiment study on an inductor for DC/DC converter in charging cord

Dian Yuwen, Xu Yang, Mofan Tian, Linlin Tan, Zhenghao Guo
The purpose of the study is to design an inductor for DC/DC converter in charging cord. In an integrated circuit(IC), the size of capacitor and resistance is easy to reduce. Thus the key is to guarantee the size and value of the inductor simultaneously. To fit the cord, the new inductor is shaped as...
Proceedings Article

A solution to high frequency oscillation in the driving loop of silicon microgyroscope

Jian Zhou, Anping Qiu, Guoming Xia, Yang Zhao
Parasitic capacitances are unavoidable in silicon microgyroscope because of the limitation of MEMS technology and packaging. Due to the existence of parasitic capacitance between the driving electrodes and driving detection electrodes in the gyroscope, another possible oscillation loop is formed, which...
Proceedings Article

The hardware circuit design in gyroscope detection system combined with SDM

Y.F. Zhu, Z.Q. Wu, Y. Su
The open-loop detection of Silicon micro-gyroscope always has a low bandwidth and a small dynamic range, and is sensitive with manufacturing errors. So this paper has studied the application of sigma-delta modulator in the closed-loop detection circuit of silicon gyroscope, and has put forward a preliminary...
Proceedings Article

Chaotic characteristics analysis of simulation signal of second harmonic generation effect

Hanying Mao, Yuhua Zhang, Hanling Mao, Zhenfeng Huang
In order to deepen the understanding of nonlinear properties of specimen in the process of fatigue crack extension, the chaos and fractal theory are presented to analyze the second harmonic generation (SHG) signal of receiver in nonlinear ultrasonic system. Firstly the usefulness of chaos and fractal...
Proceedings Article

Numerical simulation of formation process of keyhole-induced pore for laser deep penetration welding

Pingan Shi, Qiang Wan
In order to understand the mechanism of pore formation and accurately simulate the dynamic process of keyhole-induced pore in laser deep penetration welding, a three-phase mathematical model of laser keyhole welding is established to reflect the formation process of bubble, and a ray tracing method based...
Proceedings Article

Analysis of flow of outer meshing elliptic gear pump based on Fluent

Qingdun Zeng, Junzhi Sun
The output flow is one of the important indicators of gear pump performance. External meshing elliptic gear pump is a new type of displacement pump, whose performance is better than circular gear pump, especially in terms of output flow. The influence of rotating speed, centrifugal rate and number of...
Proceedings Article

Finite element checking of flange connection in integral hoisting of flare stack

Xuanyu Sheng, Hongzhi Zhang, You Bao, Chen Ling
Segmentation hoisting is generally used for flare stack with flange connection structure. This paper presents a technical innovation of integral hoisting of flare stack with flange connection structure. In the paper, CATIA finite-element-analysis is used to build 100% model of flare stack and to simulate...
Proceedings Article

A finite difference method for heat equation in the unbounded domain

Quan Zheng, Xin Zhao
The numerical method of the one-dimensional non-homogeneous heat equation on an unbounded domain is considered. Two exact artificial boundary conditions are applied on two artificial boundaries to limit the original problem onto a bounded computational domain. Then the finite difference method is developed...
Proceedings Article

Numerical studies on the interactions between a flexible plate and incoming flow

Jie Weng, Songjuan Zhu, Yubin Cai, Haiqing Xiong, Jianxin Hu
The linear Euler - Bernoullibeam model is employed for the studies on the interactions between a flexible plate and incoming flow. The flow field was simulated by the immersed-boundary method. It is shown that the plate was inhibited at a relative low Reynolds number. When the Reynolds increases, the...
Proceedings Article

Numerical simulation of square section venturi scrubber for biomass tar removal

Zhenhui Luan, Xiao Liu, Meng Zheng, Libo Zhu
In the process of biomass gasification, it is inevitable to produce by-products, among which the most important is the tar. With the continuous development of biomass gasification technology, a variety of tar removal methods have been developed. According to the principle of the process of tar removal,...
Proceedings Article

Effect of guide vane on pressure fluctuation and radial force in hydraulic turbine

Fengxia Shi, Ningrui Zhang
An unsteady three-dimensional simulation based on Reynolds time-averaged control equations and RNG k- turbulence model is presented for hydraulic turbines, and the pressure fluctuation and radial force characteristic of hydraulic turbines are obtained. The results obtained show that the time domain of...
Proceedings Article

Optimization of stacker control system based on laser ranging and bar code localizing technology

Peng Zhang, Teng Zhang, Daixi Li
The target goods location of some stackers is realized by the recognition site piece. The point-to-point communication mode is used, such as infrared communication, leading to low localizing precision, reliability and poor scalability. To overcome the above shortcomings, taking a logistic laboratory's...
Proceedings Article

Study of effects on power system relay protection by harmonic and negative sequence components of electrified rails

Jia Liu, Tao Lin, Xing Xian, Qing Gong, Fuzhang Wu
The traction power supply system of electrified railway will cause harmonic and negative sequence current when connecting to the common power net. The propagation characteristics of harmonic and negative sequence current are studied by analyzing a certain power network in the ETAP software, and then...
Proceedings Article

Research on the four wheel hub motor control system of the electric vehicle based on DSP

Peicheng Shi, Jun Zhang, Rongyun Zhang, Shanshan Peng
This paper mainly solves the problem of the independent driving and coordinated control of the four wheel motor in electric vehicle. The vehicle controller is designed based on DSP2407, the DA_OUT function is added to the program of the DSP2407 SPI module, which can be used to set the parameters SPI_DATA...
Proceedings Article

Energy-saving research of the bus secondary hydraulic transmission system under variable pressure rail

Faye Zang, Xiangzhen Kong
Inertial and gravitational energy of load can be regenerated from hydrostatic transmission with secondary regulation. Based on the working principles and energy-saving theory of the secondary regulating transmission system under variable pressure rail, regenerating the transmission system's inertial...
Proceedings Article

Research to photovoltaic MPPT control strategy based on improved conductance increment method

Huaizhong Chen
The output power of the photovoltaic is a kind of nonlinear function which is influenced by the intensity of sunlight and internal junction temperature. In the external environment stable situation, photovoltaic, the component exists only the maximum power output point. This paper analyzes the output...
Proceedings Article

Electric tracing system temperature control of submarine heavy oil pipeline based on genetic algorithm

Li Ding, Jiasheng Zhang
In order to optimize the heating dynamic response of heavy oil in the submarine pipeline, the control system of the pipeline electric current tracing system is designed. Firstly, the mathematical model of electric current tracing system for heavy oil pipeline is established based on mechanism modeling...
Proceedings Article

Monitoring application of distributed optical fiber measurement technology in petrochemical industry

Jianfeng Gao, Yawen Cai
With the continuous development of optical fiber measurement technology, it has been more and more used in petrochemical industry. This paper introduces the using two application examples, including distributed optical fiber measurement technology for storage tank temperature and pipeline strain monitoring....
Proceedings Article

A variable frequency speed control system based on single-phase input without electrolytic capacitor

Danyang Bao, Yi Wang, Ke Li
A power control strategy based on PRN (Proportional Resonant and Inertia) is proposed in this paper. In the motor drive without dc-link electrolytic capacitor, the traditional PI controller is difficult to track the power which contains both ac and dc components. This characteristic cannot meet the system...
Proceedings Article

Design of on-line PH monitoring system based on ZigBee technology

Laidi Wang, Xiuli Zhang
The pH of water is very important to human health and aquatic products breeding. Traditional PH detection technology cannot meet the requirements of real-time, dynamic and efficient monitoring, this paper designs an on-line PH monitoring system based on ZigBee technology. The system is based on the ZigBee...
Proceedings Article

A Double-layer power allocation strategy to alleviate solar energy congestion in the distribution grid

Baibing Liu, Xingzhen Bai, Zhengzhong Gao, Qiao Sun, Kui Liu
Many communities have their own renewable energy generators to reduce long-distance power transmission losses and to decrease greenhouse gas emissions. However, in high power demand regions, power transmission congestion is often occurred when abundant renewable energy is generated and injected into...
Proceedings Article

Applied research status and its key technologies development of the electromagnetic linear actuator

Ningxia Yin, Hongchen Pang, Guanghui Li, Shenjie Li
Firstly, this paper briefly describes the origin of the electromagnetic linear actuator which research status and development are summarised. Secondly, it describes the principle, the characteristics of the moving-coil linear motor and the Moving-magnet linear motor. Thirdly, it analyses and summarizes...
Proceedings Article

Effect of different forms of static air-gap eccentricity on stator magnetic pull per unit area of turbo-generator

Weiqi Deng, Yuling He, Guiji Tang, Yuchao Meng, Hao Zhong
This paper investigates the stator magnetic pull per unit area (MPPUA) and stator vibration characteristics under different static air-gap eccentricity (SAGE) forms of turbo-generator. Three types of SAGE, i.e. the rotor offset, the stator deformation, and the mixed one composed of the former two, are...
Proceedings Article

Analysis on exciting winding electromagnetic force of Turbo-generator under rotor interturn short circuit fault

Hao Zhong, Yuling He, Guiji Tang, Yuchao Meng, Weiqi Deng
This paper used theoretical analysis and numerical calculation to analyze winding electromagnetic force (EF). QFSN-600-2YHG type turbo-generator is the research object. This paper investigated EF on exciting windings of turbo-generator before and after rotor interturn short circuit (RISC) fault. The...
Proceedings Article

The research of characteristics of the shear force transmission between the magneto-rheological fuid layer

Chunfu Gao, Guang Zhang, Weizeng Chen, Xinsheng He, Lingyu Shi, Shihe Pan, Haiting Zhang
In order to studying the characteristics of MRF inter-layer shear force, through the development of MRF inter-layer shear force experiment device, under the action of dynamic composite field that composed of magnetic field and temperature field, the experiment analyzes the characteristics of magneto-rheological...
Proceedings Article

Experimental investigation on performance of a turbocharged DI diesel engine using isopropanol-diesel fuel blends

Bin Xu, Yibin Liu, Jianhao Jia, Jian Wu, Weiwei Shang, Zhihao Ma
Experimental study was conducted to investigate the effects of using isopropanol-diesel fuel blends on the engine performance and exhaust emissions in an electronic control high-pressure common rail turbocharged direct injection diesel engine. Experiments have been performed for different isopropanol-diesel...
Proceedings Article

The effect analysis of single-double layers concentrated winding on squirrel cage induction motor

Jianjun Fang, Yufa Xu, Yudong Luo, Yaxin Chen
As the key component of the electromagnetic energy conversion in the motor, the type of winding has an important influence on the high order harmonics and losses. In order to study single-double layers concentrated winding for high order harmonics and losses reduction, taking a 2.2kW squirrel cage induction...
Proceedings Article

The vibration characteristics of the transformer winding calculation and experimental research

Yaning Li, Jun Wang, Hong Yu, Guochao Qian, Xiaoyan Zhu
Winding vibration electric power transformer is under circulation in the leakage magnetic field generated by currents in the windings due, calculated winding paper analyzes the distribution of electric power to analyze the vibration characteristics of the windings. Using finite element analysis software...
Proceedings Article

The application of component dynamic scheduling technology in the automotive network control

Bin Sun
This paper introduces the component dynamic scheduling method. The method is used for automotive network control software design. In this paper, we introduce the research necessary for component-based software architecture. And we describe the rules of components dynamic scheduling based on graph theory...
Proceedings Article

Design and analysis of electric vehicle battery management system based on flexray bus

Jiangyi Lv, Guanli Huang, Hualei Zhang, Jubiao Yao, Yong Chen
Flexray bus is considered as a more promising bus in the future with the performance of real-time, scalable, and fault-tolerant. In this paper we design an electric vehicle battery management system based on flexray bus, including the hardware design, the SoC estimation theory, flexray protocol design...
Proceedings Article

Analysis of the effect on propagation of voltage sag considering different winding connection modes of transformer

Jiming Chen, Lizhi Qi, Guiyue Jin, Yongduan Xue
The effects of transformers on the types and characteristics of voltage sag are also different when the voltage sag is transmitted by the transformers, which have different winding connection modes. In this paper, using the system simulation model built by PSCAD, based on the derivation of voltage transfer...
Proceedings Article

Study of diesel micro-pilot ignition for gasoline compression combustion on a light duty engine

Guotao Suo, Lin Lv
The potential of controlling the gasoline premixed compression ignition combustion using the diesel micro-pilot strategy was investigated to achieve high thermal efficiency and low emissions on a light duty engine. It was found that the gasoline fraction and the second diesel micro-pilot injection timing...
Proceedings Article

Design of double loop-locked system for brush-less DC motor based on DSP

Yunhong Zheng, Ziqiang Hua, Li Ma
In order to improve the control effect of the brush-less DC motor, adjustable-speed system of double loop-locked based on TMS320f28335 chip is designed to realize the digital control of the brush-less DC motor. As for the hardware part, the TMS320f28335 chip is the core processor and the brush-less DC...
Proceedings Article

Condition detection of transformer winding based on entropy weight correlation theory

Guochao Qian, Huaitong Yin, Dexu Zou
To effectively detect the hidden fault of transformer winding, the combination of grey correlation analysis and entropy weight theory is proposed to detect the winding condition of power transformer based on the inherent relations of vibration frequency response (VFR) curves of several measured points....
Proceedings Article

Master-slave control for prosthetic hands based on cybleglove

Wen Nie, Liang Tang, Qunming Li
To achieve a human-like grasp for prosthetic hands, this paper proposes a master-slave control system for the prosthetic hands based on the Cybleglove II. The movement characteristics of human finger joints were acquired via the data glove, and analysed by the LabVIEW real-time control system simultaneously....
Proceedings Article

A dual-loop control system of grasping force for prosthetic hands

Congbo Li, Xiaobao Deng, Qunming Li
Despite the rapid developments of prosthetic hands technologies in recent years, there still exists a huge gap between prosthetic hands and human hands in flexibility. The limitation of sensors attached to the prosthetic hand is one of the causes, and another reason is that the materials, weight, and...
Proceedings Article

Economic operation modeling and optimization of an island micro grid considering load control

Shu Liu, Jian Zhou, Hongli He, Shuqing Zhao, Xiu Yang
This paper proposes a load control of island economy operation model. It coordinates the storage operation with diesel generator output, so as to achieve the economic operation purpose of power grid. In this paper, the micro network economic operation model is transformed into mixed integer programming...
Proceedings Article

Large crane real-time safety assessment method based on Mamdani fuzzy inference system

Jian Chen
To build a state space evaluation system based on online sensor measuring information, combined with expert experience, a real-time safety assessment method based on Mamdani fuzzy inference system is developed, aiming to monitor safety of large crane in operation and accordingly provide decision support...
Proceedings Article

A position control method for vertical rotor orientation system

Sijia Liu, Yu Fan, Jun Di, Mingming Ji
Vertical rotating devices may cause large amplitude vibration or even lose stability during low-speed operation. This paper discusses the control approaches of a low-speed vertical rotor orientation system based on the electromagnetic levitation. In the paper, according to the gyro mechanics principle,...
Proceedings Article

Design and analysis of the movable solar energy heat utilization system

Zijian Chen, Lian Zhang, Jinlin Zhang
This paper describes the design of the movable solar energy heat utilization system. The data of the system can be monitored and output for testing and analysis. The system can save 3386.4 kWh of electricity per year.It can be known that this system uses only two hours to heat water for daily life.The...
Proceedings Article

Global analysis of almost periodic positive solution of a multispecies discrete Gilpin-Ayala mutualism system with feedback controls

Hui Zhang, Yingqi Li
This paper discusses a multispecies discrete Gilpin-Ayala mutualism system with feedback controls. We firstly obtain the permanence of the system. Assuming that the coefficients in the system are almost periodic positive sequences, we obtain the sufficient conditions for the existence of a unique almost...
Proceedings Article

Research of current studying status and developing trend of decoupling algorithm for six-axis force/torque sensor

Binbin Han, Yingjun Li, Guicong Wang
For different structures of sensor have many decoupling algorithms, this paper discusses mainly from two aspects the decoupling algorithm of six-axis force/torque sensor. One is the linear decoupling which is under the assumption that the sensor system is a linear system, another is the nonlinear decoupling...
Proceedings Article

Calculation of inductance variation for onboard magnetic flux compression generator

Xu Huang, Qingao Lv, Bin Lei, Hongjun Xiang, Wenda Qi
Onboard magnetic flux compression generator (MFCG) would be used widely in new types of projectiles that need huge electric energy, while the inductance variation is significant for onboard MFCG design. In order to achieve the inductance variation, image current model was applied to the circuit parameters...
Proceedings Article

Study on automatic detection method for the enclosed turbine runner chamber based on real-time image acquisition and simulation comparison techniques

Yunlong Liu, Xiangwei Yang, Dengke Li, Dingjie Shen, Jianwei Zou
According to the technical problems of the existing testing methods for the key hidden metal components (such as the decompression panel and the water board) of the turbine runner chamber, such as the poor reliability, the inaccurate locating and the larger detection blind spots of the detection device,...
Proceedings Article

A novel algorithm for multi-node load forecasting based on big data of distribution network

Guangsong Hou, Ke Xu, Shoubin Yin, Yang Wang, Yan Han, Zhiguo Wang, Yifei Mao, Zhengxin Lei
Effective load forecasting for different scales of loads is essential for the planning and operation of distribution network. The extending scale of the network, the diversity of load types and the rapid increase of data volume are some of the facing problems. In this paper, we propose a novel method...
Proceedings Article

Double-sided parallel-strip line based broadband magic-T

Huimin Yu, Zhiping Liu
A broadband magic-T based on double-sided parallel-strip line (DSPSL) and microstrip-coplanar waveguide (CPW) transition is presented and demonstrated. The DSPSL magic-T has broad bandwidth and low phase imbalance at the sum (H) and difference (E) ports. The equivalent circuits of the proposed multilayer...
Proceedings Article

Design and simulation of near-field waveguide probe fixed with circular SRR array

Siming Zhao, Bing Hu
The probe structure is the primary issue for near field detection procedure. In this paper, a waveguide probe with circular split ring resonator (SRR) array fixed on its open end is proposed. The probe explores the under-detected object surface by measuring the phase of S11, which is quite sensitive...
Proceedings Article

Study on the application of interpolation in electromagnetic scattering characteristics

Liang Man, Haochuan Deng, Yanjie Cui
To get target ultra wideband electromagnetic scattering characteristics with high efficiency has great significance for the research of high resolution radar, imaging and target recognition. However accurately simulate the scattering characteristics of electrically large complex targets, the computational...
Proceedings Article

Analysis of lighting withstand level and flashover phases of tower double circuit transmission line

Dongmin Xi, Dan Zhang, Jiachen Liu
The overhead transmission lines stretching thousands of miles, accounted for a large part of power system, and lightning transmission line fault is the most main form of power system fault. In order to reduce the transmission corridor area, double circuit and even more loop transmission lines were more...
Proceedings Article

Environment reliability provision mechanism for cloud storage with dynamic searchable encryption algorithm

Fei Xiang, Li Yi, Cuilan Du, Xiaohui Liu, Xiaohang Zhao
Cloud storage are sometimes abandoned in consideration of data security. To solve this problem, this paper implemented the environment reliability provision mechanism (ERPM) for cloud storage with dynamic searchable encryption (DSE) algorithm, which is based on homomorphic encryption and convergent encryption....
Proceedings Article

The research of dynamic stability control system for passenger cars using CarSim and Matlab-Simulink

Ying Yang, Bulus Titus Dogara, Meng He
Electronic stability control (ESC) systems are well understood with regard to assisting drivers to maintain vehicle control during extreme handling maneuvers or when extreme road conditions are encountered. This paper discusses the development of a vehicle dynamics model and model validation of a certain...
Proceedings Article

Research of virtual substation simulation training system

Wu Xu, Xitong Duan, Yilong Ren, Lei Wu, Jin He
Firstly, this paper analyzes the current status of substation training system, and puts forward a substation simulation training system based on virtual reality technology, aiming at the shortcomings of traditional substation training system. The system bases on the building of substation model, introducing...
Proceedings Article

Off-position detection based on convolutional neural network

Tianbing Zhang, Wang Luo, Qiwei Peng, Gongyi Hong, Min Feng, Yuan Xia, Lei Yu, Xu Wang, Yang Li
As a part of the intelligent video surveillance, off-position detection,which needs a real-time and precise algorithm, is used to detect whether the person on duty is absent from working position.This work is necessary for improving efficiency and reducing human resource consumption.Considering the excellent...
Proceedings Article

An efficient public auditing scheme for cloud storage server

Haiyang Yu, Yongquan Cai, Shanshan Kong
Storing data in cloud storage servers is a new trend with the development of 05 Cloud computing. Cloud storage brings lots of benefits and allows cloud users to access their data from any device. However, it also brings security challenges. Cloud user loses its control on its data because all data is...
Proceedings Article

The research of an AOP-based approach to the detection and defense of SQL injection attack

Wang Qing, Chengwan He
As the availability of web application services grows, we are witnessing an increase in the number and sophistication of attacks that target them. The SQL injection attack has been the most dangerous way of web-based attacks. In this paper, according to the characteristics of the SQLIAs, we presented...
Proceedings Article

A retweet prediction method of micro-blog big data users based on Map/Reduce

Yuelong Zhao, Meng Fang
In all kinds of social network software, retweet is a common behavior and a important mechanism for information dissemination. Especially retweet prediction of micro-blog users is very important to deep research. However traditional method can't be effectively applied to big data. To solve this problem,...
Proceedings Article

Similarity and self-learning based anti-Trojan Mechanism

Yiying Zhang, Yeshen He, Qing Zhao, Kun Liang
Trojans inject systems and launch various attacks, such as eavesdropping secret information, tampering with system configuration etc., which threats to system security seriously. In this paper, a novel anti-Trojan malware mechanism was proposed based on attribute behaviour and cosine similarity. Firstly,...