Proceedings of the 2017 2nd International Conference on Electrical, Control and Automation Engineering (ECAE 2017)

+ Advanced search
75 articles

Analysis on the Copy-move and Splicing Forgery of Fragile Watermarking Based on Local Binary Pattern

Peifei Song, Zhen Yue, Rundong Yang, Jie Shi, Zichen Li
In the process of transmission, the various factors can effect easily the multimedia information. The receiver can't distinguish whether the received multimedia data has been tampered. The fragile watermarking can authenticate the authenticity and integrality of the multimedia data. The paper analyzes...

Research on Multi-level Inverter of Multi-terminal Switch Network and Extension Topology

Hongling Lei, Yunxiang Xie, Li Cheng, Yanshen Hu
Due to multilevel inverters can have more levels of output voltage at the output waveform, closer to sine waves, and with small output waveform THD, and low voltage stress, low system advantages of EMI, multilevel inverters are widely recognized, and get a certain application. Based on the analysis of...

Wisdom Safety Monitoring System Based on Risk Map and Location Service

Xiaoyu Wang, Xiongjun Yuan, Jun Liu
To construct Wisdom Safety Supervision and Emergency System (WSSES), it is necessary to solve the three key issues include that the risk prediction based on the regional hazards, the safety information based on the location service, and the wisdom technologies for the emergency-assisted decision. In...

Research on Combined Air Collision Prevention Technology

Hao Nie
As number and frequency of flight is increasing, the safety of air traffic becomes important issue of concern. Currently what is used to ensure the safety of air traffic contains air traffic control (ATC), airborne collision avoidance system (TCAS) and automatic dependent surveillance technology (ADS-B),...

Developing a Software to Evaluate Hydrological Effect of Forest Change

Zuozhu Meng, Mingfang Zhang, Yiping Hou, Le Yu
Water conservation is one of the most important functions of forest ecosystems. An efficient assessment on changes in water conservation capacity of a forest watershed, especially for a large watershed is essential for water resources and forest management. In order to simplify the assessment procedures,...

Stabilization for Markovian Jump Systems with Additive Time-varying Delays

Haiyang Zhang, Zhipeng Qiu, Lianglin Xiong, Yanmeng Wang
In this paper, the problem of stabilization for Markovian jump systems with additive time-varying delays is considered. First of all, by constructing a new Lyapunov functional with triple integral terms, using new inequalities, convex combination technique and combining with other analytical techniques,...

Short-term Passenger Flow Prediction on Bus Stop Based on Hybrid Model

Zhijian Wang, Chunlei Yang, Chao Zang
Short-term passenger flow prediction on bus stop is an important base and technical support for bus dispatch strategy. In this paper, a new hybrid prediction model including two single models of BP neural network and time series model was proposed according to the periodicity and randomness properties...

Improved ADRC of Airborne Electro-optical Stabilized Platform

Qixuan Zhu, Honggang Zhang, Junke Gao
This paper proposed a method for perameter setting of traditional nonlinear extended state observer using Back-Propagation neural network .This method simplified the complicated nonlinear extended state observer parameter setting process. This paper simulated the active disturbance-rejection control...

Automatic Diagnosis Technology of Lightning Fault in Transmission Line

Chao Yang, Xin Su, Haiyan Yuan, Yangyang Liu, Wanjie Zhang, Xin Wang
Lightning fault is the main fault of transmission line. Accurate and effective diagnosis of lightning fault can effectively improve the reliability level of transmission line. At present, the determination of lightning strike fault and the location of the lightning strike are determined by manually inquiring...

An Optimal Reactive Power Control Scheme for Rectifier Station of LCC-HVDC System during High Power Transmission

Hongsen Zou, Zijia Hui, Xiaojun Yu, Zhiyuan Liu, Zhiguo Hao
When rectifier station of LCC-HVDC has power fluctuations running at large load, AC filters controlled in groups at rectifier station are switched frequently. That problem potentially has impact on service life of corresponding circuit breaker and threatens the safe operation of the DC system. In this...

Bifurcation Analysis of Discrete-Time Systems with Multiple Time-Delays

Li Zeng
A unified frequency-domain approach to analyze Neimark-Sacker bifurcations and flip bifurcations of discrete-time systems with multiple time-delays in the linear feed-forward and the nonlinear term is presented. The technique relies on the harmonic balance approach (HBA) and feedback systems theory....

H_∞ Consensus Control of Multi-Agent Systems: a Static Output Feedback Controller with Time-Delay

Dun Ao, Guoan Yang
This paper addresses the H_∞ consensus problem for networks of multi-agent systems subject to external disturbances. In particular, a distributed static output feedback controller with time-varying delays is provided, which based on the relative out-puts of neighboring agents. By using Schur complement...

A Comparative Study of Time Series Prediction Based on Neural Network and the Ornstein-Uhlenbeck Process with Jumps

Yaohui Bai, Yan Tu, Huayang Li
The research of stock price prediction is very important. Traditionally, the stock price is usually processed as a time series. However, the modelling of such time series is extremely important and vital, and has been attracting the attention of both practitioners and researchers. In this paper, the...

Improvement of Deadbeat Control for PV Converter

Liyue Zhang, Fanzheng Zeng, Weiliang Zhang, Yun Su, Chunjie Zhou, Shunde Pan, Chenge Ye
In this paper, the deadbeat control of single-phase photovoltaic(PV) grid connected converter is studied, and the mathematical model of the control model is derived. The application of a large number of power electronic equipment will be reduced, considering the direct power supply of the DC load by...

The Uniform Asymptotic Stability of MMC under Open Loop Operation

Chaoying Xia, Jiali Yu
With the wide application of modular multilevel converters (MMC) in high voltage and high power areas, many open loop methods are proposed for MMC. However, the stability of MMC open loop control system has not been solved so far. Aim at this problem, on the base of Lyapunov theory and persistently and...

H∞Control for Markovian Jump Delay Systems with Distributed Delay

Tao Wu, Lianglin Xiong, Jinlong Shu
This paper aims to design the H∞ controller for continuous Markovian jump systems with distributed delay. First, a new integral inequality is proposed. Next, based on the constructed Lyapunov functional, the new introduced inequality is used to investigate the delay-dependent stability condition for...

The CVT's Speed Ratio Control Research When the Vehicle Bending at High Speed

Xinhua Yang
When the speed ratio of the vehicle equipped with CVT changes rapidly, the acceleration of the vehicle will change synchronously, that means to exert an extra force on the driving tires. Using this feature, the desired results can be obtained in certain specific conditions, such as vehicle cornering...

Multi-Source Information Fusion Based on Neural Networks in Air Quality Forecasting

Xiaoqiang Zhao, Yubing Chen, Qiang Gao, Dan Deng
To forecast the air quality accurately, the model of air quality using multi-source information fusion technology based on neural network is proposed. The back propagation (BP) neural network models with time-series and no time-series training samples, the nonlinear auto-regressive (NARX) neural network...

Water Monitoring Robot with Double Layer Structure Design

Shuai Zhao, Boyun Liu, Yuanju Jian, Yi Yuan, Shangxuan Xiao
A surface patrol robot with separate upper and lower structure and equipped with a water meter and lifesaving equipment throwing device is proposed. The robot can patrol scheduled water area, monitor water quality in real-time, rescue drowning persons and perform other tasks. The robot is modular designed...

Multi-Parameter Based Calibration of Long-Link Flexible Manipulators

Zhao Liu, Libin Song, Xing Li, Bozhao Pan, Junzhang Yu
Geometric parameters, reducer stiffness, and link flexibility have significant impacts on the absolute positioning accuracy of the terminals of long-link flexible manipulators. This paper introduces a multi-parameter based calibration method which can improve the absolute positioning accuracy. The experiment...

Modification and Simulation of Noncircular Gear Reversing Mechanism of Pumping Unit

Rui Zhang, Linfang Lu, Fang Li, Tingting Wang
There is a very broad application prospects in incomplete noncircular gear reversing mechanism in the pumping unit, because of its advantage of automatic reversing and intermittent variable speed movement. Incomplete noncircular gears are usually based on empirical formula design, without considering...

Research on Hysteretic Behavior of Steel Reinforced Concrete Frame with Angle-Steel Concrete Columns

Xiaoqin Jiang, Dafu Cao, Kun Wang
This paper describes a theoretical research on the hysteretic behavior of steel reinforced concrete (SRC) frame structure with angle-steel concrete columns based on the Park tri-linear model. The theoretical results were compared with tests, and main parameters effecting on the mechanical performance...

A Secure and Efficient Scheme with Batch-Verification for Vehicular Ad-Hoc Network

Fuyuan Tan, Fei Tang, Wenjun Luo, Zhong Hong
Vehicular ad hoc network (VANET) is a special kind of Mobile ad hoc network (MANET) which can improve the traffic control systems. Due to the limitation of wireless communications, efficiency and bandwidth are two important issues need to be considered for its design. In this work, we design a secure...

Data Analysis System of Oblique Photography Based on OpenSceneGraph

Lei Shi, Xiaopan Zhang, Xiaoyan Ma, Kai Ye, Yaowu Liu
Oblique photography technology is a new earth observation technology which is developed in the international field of surveying and mapping in recent years, and it can reflect the features of the real situation of the surrounding. Besides, oblique photograph can greatly promote the application of remote...

Pattern Design and Embroidery Based on the Intelligent System

Yingxia Lin, Yujie Wu, Lei Hao, Yi Wu, Huixin Chi, Yuanyuan Chen
Embroidery is a kind of world-wide art with a long history and a splendid culture. Crafts-making of the embroidery in China can be traced back to over 3,000 years to ancient times. However, modern techniques for creative embroidery is characterized by using embroidery machine instead of traditional crafts....

Systematically and Fast Processing Fault on Power Distribution Grids Based on a Simplified Model Part II: Advanced Approaches

Yusheng Zhang, Jian Xue, Zhihua Zhang
This is Part II of a two-part paper which presents a methodology for fault location and isolation and service restoration (FLISR) for power distribution grids. The Criterion 1 discussed in Part I is adapted to locate faults when distributed generations (DGs) exist. For DGs with larger capacity, faults...

The System of High Current Full Fiber Detection

Chengjun Guo, Ning Pei, Jixiang Lu, Jin Wang
Current and voltage measurements play an important role in the power industry and provide necessary information for power systems to measure, control, and relay protection. At present in the national 110 KV, 110 KV, 330 KV, 750 KV power grid has been fully tested by optical current transformer, at the...

Research on Rural Distribution Network Reactive Power Dynamic Monitoring and Auto-Compensation System

Xiujie Zheng, Jianbo Yi, Qian Wang
This paper proposes a novel reactive power dynamic monitoring and auto-compensation system for rural distribution network. The proposed system employs advanced reactive power measurement, Data Transfer Unit (DTU) and hybrid network communication. The technology based on Internet and General Packet Radio...

Current Hysteresis Control of High Step-up Current-fed DC-DC Converter for Haptic Application

Zhen Wu, Shizhen Huang, Nan Li, Tao Zeng
The steady accuracy of output waveforms is a core index for judging the performance of DC-DC converter and it is mainly determined by the control scheme of DC-DC converter. This paper studied a PWM current hysteresis control scheme to improve the performance of the high step-up current-fed DC-DC converter...

Automatic Configuration Method of Smart Substation Process Layer Network

Qing Yang, Hui Ren, Guoqing Zhao, Haidong Zhang
This paper analyzes the problems in the process network configuration of smart substation. A method for automatic configuration of process layer network in smart substation based on SDN is proposed. First, establish a physical port model that defines the configuration information for the process layer...

Researches on Flow Field's Dynamic Features of Vacuum Switching Arc Based on Optical Flow Field

Huajun Dong, Chunxiao Li, Yingjie Guo, Jie Li
As a kind of fluid, the motion of vacuum arc is complicated and various. Its structure and distribution have a significant effect on vacuum interrupters' comprehensive properties. A method to analyze of arc flow field's dynamic feature based on optical flow is proposed aiming at complicated flow field...

A Novel Drive Scheme of Coriolis Mass Flowmeter Based on Adaptive Fuzzy Sliding Mode Control

Jianxin Ren, Rui Zhang, Tian Zang, Xinghui Yang, Xiaodong Tang
In this paper, a digital-analog drive system based on adaptive fuzzy sliding mode control is developed to improve the performance of the Coriolis mass flowmeter (CMF). Analog control module is composed of self-oscillation circuit and automatic gain control (AGC), and digital module is designed based...

Robust L1 Model Reduction for Linear Parameter-Varying Systems with Parameter-Varying Delays

Yan Liang
In this paper, we investigate the problem of robust L1 model reduction for linear parameter-varying (LPV) systems with parameter-varying delays. It is essential that the design of reduced-order system guarantees LPV error system to be asymptotically stable and satisfy peak-to-peak performance constraint...

Estimation of Vehicle Sideslip Angle Based on Feedback Observer

Shaosong Li, Luping Guo, Shunhang Zheng, Guangjun Li, Xu Yan, Yusheng Yang, Zhixin Yu
Vehicle sideslip angle is a significant parameter for vehicle stability control. Based on the 2-DOF vehicle dynamic model, a feedback observer is built with the correction item. The estimation accuracy of the sideslip angle is improved by adjusting the feedback gain of the feedback term in the feedback...

Sparse Direct Robot Localization Method Based on RGB-D Camera

Rongbo Hou, Wu Wei, Yeboah Yao, Ting Huang
In order to address the current challenges associated with feature-based RGB-D SLAM, this paper puts forward a novel sparse direct localization algorithm. Contributions of the paper are manifold. Firstly, the proposed algorithm achieves rapid feature-point detection as well as camera pose estimation...

Control System Basic Design of Wall Climbing Robot for Hull Plate Spraying in Dock

Yuping Li, Zhengyao Yi, Yan Lin, Zhuoshang Ji, Xiaoning Jiang
According to the design index of hull plate spraying in dock, a wall climbing robot for hull plate spraying in dock (WCR-HPSD) is designed, the functional requirements of the robot is discussed, the robot control requirements and control properties are analyzed, and the robot control models are established,...

Complementary Filter Design Based Error Allocation for Attitude Estimation with Low-Cost Sensor

Longhe Yang, Jianxin Ren, Kaiyue Song, Xiaofei Ma, Xinghui Yang
This paper investigates complementary filter de- signed for attitude estimation for low-cost inertial measurement unit and magnetometer. An error allocation strategy which focuses on two weight parameter matrices regulated according to output modulus of accelerometer and magnetometer auto-matically,...

Experimental Investigating of Rotary Ultrasonic Grinding for Ceramic Edging

Zhiguo Li, Zhen Yao, Yongjun Zhang, Gang Guo, Caihong Chen, Hangjian Liu
In order to reduce the grinding force, cutting heat, grinding wheel abrasion and improve the qualities of the ceramic production, my paper describes the ceramic edge grinding machine spindle with ultrasonic vibration. The order of influencing factors (such as spindle speed, feed speed, grinding amount...

The Improved PASTd and ESPRIT in Power System Harmonic Estimation Application

Feng Liu, Ligong Sun, Zhihao Cheng
The paper analyzes the current power system harmonic estimation algorithms which have a considerable number of shortages. In order to improve detection precision and reduce the computational complexity, we can combine the ESPRIT algorithm with improved PASTd algorithm, consequently, achieve the rapid...

A Precision Spraying Mission Assignment and Path Planning Performed by Multi-Quadcopters

Baihui Du
This paper proposes a hierarchal approach to solving a spraying mission assignment and path planning problem by using multi-quadcopters in an upland area. A mathematical model of the mission assignment and path-planning problem has been established. An inner-and-outer loop structure is employed in the...

Risk Analysis of Collective Forest Right Transfer in Post-Forest Era

Zujun Liu
The analysis of the economic risks of the circulation process is from the perspective of the forest transfer of the out of the party and the transfer of the turn to the party. It is believed that the social risk of circulation is mainly reflected in the increase in the gap between rich and poor residents...

Nonlinear Dynamics Model of Crowd Panic Propagation under Disaster Conditions

Rongyong Zhao, Daheng Dong, Qianshan Hu, Cuiling Li, Dong Wang
In disaster conditions, people often fall in panic. When the population panics raise to a certain extent, they can aggravate the confusion degree of crowd evacuation, leading to greater casualties further. Therefore, this paper proposes a non-linear dynamic model describing crowd panic propagation, to...

Research on Crotch Structure of Fitted Man's Trousers Based on 3D Scanning Data of Human Body

Zhongqian Guo, Minghai Cui
It's very crucial for men to have a fit trousers since wearing it is an only option in their daily life. Fit trousers represent comfort and aesthetics. As an essential part of structure in trousers, crotch has deeply influence on the fitness of trousers. This paper focus on the crotch shape of male's...

An Access Algorithm Capable of Predicting Contention Window in LAA Networks

Kuochih Chu, TzuChi Huang, YuHong Deng
In recent years, various novel services appear in Long Term Evolution (LTE) networks to attract many users but cannot satisfy requirements of users with the available network bandwidth. However, most countries have no licensed spectrum available to LTE networks. To resolve this problem and compete Wi-Fi,...

Detecting Applications with Malicious Behavior in Android Device Based on GA and SVM

Ning Liu, Min Yang, Shibin Zhang
In recent years, mobile technology and mobile-device have been rapidly developed. Since mobile devices collect and transmit large amounts of private information about users, malicious applications will pose a significant threat to the privacy and property security of the individual. Openness is a crucial...

Performance Evaluation and Simulation of Embedded WEB Server Based on ARM Platform

Xian Zhang, Dong Yin, Yiwen Liu, Jia Liu
With the wide application of embedded devices and Internet of things equipment, embedded WEB server has become an indispensable part of its intelligent equipment. In order to select and build the embedded WEB server efficiently, this paper presents the performance simulation evaluation of three kinds...

Study on Spatial Distribution Pattern of Medical Facilities Based on POI Data-A Case Study of Panyu District, Guangzhou City

Fanglong Cheng, Guanwei Zhao
Medical facilities as an important part of urban public service facilities, its spatial distribution has a direct impact on the residents of the convenience of medical treatment and quality of life. Getting the POI data of Panyu District's medical facilities from Gaode map, combining with GIS spatial...

A Novel Lightweight Middleware for Distributed Massive PMU Data Mining

Jianbo Yi, Binbin Dong, Qi Huang
PMU data is facing with the problems of processing and application caused by the massive, distributed, multi-source, high redundancy existing in data. Therefore, this paper proposes a novel lightweight middleware to process and mine distributed massive PMU data. There employs light sampling parallel...

Dynamic Load Balancing Method Based on PBT Tree

Zhijie Lin, Chonghui Ren, Haifeng Huang, Xiaoyong Li
With the development of computer technology and GPU technology, hardware and software technology has been greatly developed, but a single PC machine still cannot meet the real-time computing requirements of high-complexity scenes. In this paper, we propose a dynamic load balancing strategy based on PBT...

Synonym Relationship Discovery for Knowledge Organization System Based on Paired Translation Information

Yunliang Zhang
Synonym relationship is one of the most important relationships for knowledge organization systems. In this paper, we propose a series of methods on synonym relationship discovery based on paired translation information already in knowledge organization systems. The translations amount and the translation...