Proceedings of the 2015 International Conference on Electrical, Automation and Mechanical Engineering

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220 articles

Planning and Scheduling of an Agile Earth Observing Satellite Combining on-Ground and on-Board Decisions

Z.X. Chang, J.F. Li
The new generation of agile satellites has more freedom and choices on when and how to make an observation. That may lead to the needs of uniform and deliberate considering operating status and rules of on-board instruments in the management and control process. What’s more, needs are improving responsiveness...

A FPGA-Based Method for License Plate Localization

Y.H. Tan, Y. Xin, X.J. Zhai
As a significant stage in an Automatic Number Plate recognition (ANPR) system, License plate localization (LPL) is often computationally expensive. A novel LPL algorithm using morphological operations is proposed in the paper. The algorithm has the property of low complexity and high detection rate....

Application of Uniform Design Genetic Algorithm in Separation Condition Optimization of 14 Drugs

T. Zhang, X.G. Chen
An optimization method based on uniform design in conjunction with genetic algorithm was developed and applied in the optimization of separation condition of 14 drugs in reversed-phase ion pair chromatography and satisfactory optimal result was obtained.

Research on Tacit Knowledge-Sharing Willingness in Trust Perspective—Empirical Analysis on Communication Enterprises

C.Q. Ding, J. Xue, J. Yuan
The trust among organization members is an important factor influencing the tacit knowledge-sharing willingness. This paper studied the antecedents influencing the trust and the functional mechanism between trust and tacit knowledge-sharing willingness, which was based on the data of 213 copies of questionnaire...

Topological Features Detection and Automatic Segmentation of Point Clouds from Tree Surface

H. Liu, H.Q. Zhang, H.B. Ju
In this paper, the tree topological features detection and automatic segmentation of point cloud data are studied, and propose a method of topological features detection and automatic segmentation of point cloud data, based on panoramic range image. First of all, the point cloud data is converted into...

Lithium-Ion Battery Capacity Prediction Using Recursive Least Squares with Forgetting Factor

Z.W. Zhou, Y.D. Lu, Y. Huang, Z.Y. Shi, X. Li
How to predict capacity for lithium-ion battery is one of the most important problems in the field of battery health management. To make the newest data more efficiently, this paper proposes recursive least squares with forgetting factor to estimate the coefficients of the linear capacity degradation...

Oscillation of Neutral Nonlinear Impulsive Parabolic Equations with Continuous Distributed Deviating Arguments

G.J. Liu, T. Liu, A.P. Liu, M. Wang
This paper investigated oscillatory properties of solutions for nonlinear parabolic partial differential equations with impulsive effects under two different boundary conditions, by using integral averaging method, variable substitution and functional differential inequalities, established a series of...

Modeling and Analysis of IS-IS Protocolrouting Performance Based on The Generalized Stochastic Petri Nets

Z.L. Liu, M.Y. Guo, T. Lan, Y. Chai, J.F. Qu, F. Qi
Based on the analysis of basic operation process of the IS-IS(Intermediate System to Intermediate System)protocol, the paper provides a LSP (Link State Packet) diffusion model of the IS-IS protocol with the GSPN(generalized stochastic petri nets). And the simulation results show that the router’s load...

Engineering Environment Mediated Natural Coordination for Multiagent Systems in SAPERE

F. Zambonelli
SAPERE is a general multiagent framework to support the development of self-organizing pervasive computing services. One of the key aspects of the SAPERE approach is to have all interactions between agents take place in an indirect way, via a shared spatial environment. In such environment, a set of...

An Unsupervised Model on Outsourcing Software Projects Risks Based on T-S Fuzzy Neural Network

Z.Z. Ouyang, J.Z. Chen, Z.H. Zhang, Y. Hu
Supervised learning algorithm is widely used in current research of software project risks, while it cannot evaluate the risk without decision class. Considering this, we present an unsupervised model, which can solve the forecasting problem of outsourcing software projects risks in unsupervised situation,...

Application of Infrared Spectroscopy in the Detection of Coal Quality of Power Plant

J.J. Liu, X. Zhao, J.B. Zhang, Q.B. An, D.F. Luan, H. Men
Spectrum technology in coal quality detection has become a research hotspot with the maturing of spectral technology and the continuous development of spectral imager. This article mainly analyzed and summarized the progress and research status of scholars at home and abroad based on the coal quality...

Vibrations in Electric Machine with Permanent Magnets during Unsymmetrical Operation Point

P. Pistelok
The article presents the concept of an electromagnetic circuit of generator with permanent magnets designed for single phase work. The paper presents comparative analysis of simulation results of three generator operation points. First point was calculated as single phase work with serial connection...

Evaluation of Global Solar Radiation Models for Inclined Surfaces

M. Mesri, A. Choucha, L. Chaib
Predicting the efficiency of solar photovoltaic and solar thermal systems needs global solar radiation data and its estimation models. Furthermore, daily global solar radiation models are required for engineering design and planning projects. In this paper, five daily global solar radiation models for...

Integrity Inspection of a Steam Turbine Rotor in a Geothermal Power Plant

M. Nurbanasari
A 55 MW steam turbine in geothermal generation power plant has been in service for 26 years. This turbine stopped working in 2013 due to the failure of a first stage blade. By considering the damage and maintenance works are important for geothermal turbine to maintain the reliable operation before it...

Vacuum Pump System Diagnosis with the Pumping Speed Indicator

K. Lee, G.H. Kim
The diagnosis of a vacuum pump system for the semiconductor manufacturing is directly related to the failure rate of wafer. Pumping speed is the volume flow rate per unit time by the vacuum pump and represents the performance of vacuum pump directly. Unfortunately, it is impossible to measure the pumping...

The Evaluation of Analytical Models for Orthogonal Cutting Process

M.R. Vaziri Sereshk, P. Heydarizadeh, S.M. Mostafavi
In Macro Mechanics view, Machining involves extremely localized and nonlinear physical phenomena that occur over a wide range of temperatures, pressures, and strains. The complexity of the system has hindered progress in predictive modeling of machining processes. Many different types of models ranging...

Modelling and Simulation for Energy Optimization of Refrigeration System

C.W. Chen, Y.W. Lin, F.Z. Chen
A refrigeration system achieves its refrigeration function generally through cryogenic refrigerant generated by multiple refrigerant compressor units. Traditionally, the operation of refrigerant compressor units is controlled only by experience or the proportional-integral-derivative controller of refrigerant...

The variable intermittent sampling repeater jamming against waveform agile SAR

W.H. Yang, Y.G. Chen
A new type of jamming against waveform agile SAR is proposed, which is called the variable intermittent sampling repeater jamming. The jamming can form false vivid targets through repeating waveform agile SAR different subsection signal as design in the current pulse in the waveform agile SAR current...

Simulation of Train Load on Deformation of Big-Diameter Shield Tunnel

C.J. Chen, H.L. Zhu
In order to study the impact of train load on deformation of big-diameter shield tunnel, the Vehicle-Track-Tunnel-Soil coupling dynamic model was established, and the reaction force of fasteners was used to transmit between the Vehicle-Track coupling dynamic model and the Tunnel-Soil finite element model....

Stability Analysis of an N-Unit Series Repairable System with a Repairman Doing Other Work

A. Haji, B. Yunus, H. Huxur
We investigate an N-unit series repairable system with a repairman doing other work. By analysing the spectral distribution of the system operator and taking into account the irreducibility of the semigroup generated by the system operator we show that the dynamic solution converges strongly to the steady...

Implementation of Infeasible Kernel-Based Interior-Point Methods for Linearly Constrained Convex Optimization

L. Wu, K. Li, X.D. Wang, L.H. Shao, A.N. Zhao
In this paper, we present the implementation of infeasible kernel-based primal-dual interior-point methods for linearly constrained convex optimization. Numerical results are provided to demonstrate the efficiency of the algorithms.

Research on Horizontal Stability Model of Six-Axis Simulation/Testing Turntable

J.H. Zhou, X.F. Peng
In order to shorten the shipboard stable platform’s development cycle, reduce its development cost and facilitate experimental research, a new type of six-axis simulation/testing turntable was proposed in the paper. The turntable’s application and performance index were introduced from the system's composition...

Interactive Virtual Fruit Tree Pruning Simulation

M.M. Lv, S.L. Lu, X.Y. Guo
This paper proposed an interactive virtual pruning method for fruit tree. In this method, Unity3D – a common game development platform – was used as the implementation tool for the interactive virtual pruning simulation of fruit tree, including integrating 3D fruit tree and scissor into a virtual orchard...

Novel Method for Real-Time Moiré Image Analysis Combining Two-Dimensional Entropy Theory and Quantum-Behaved Particle Swarm Optimization

W.J. Chen, Y.T. Chen
This paper proposes an effective method for improving the processing quality and speed of Moiré pattern segmentation. The method involves using quantum-behaved particle swarm optimization(QPSO) based on two-dimensional (2D) entropy theory.First, the beat phenomena generated by grating interference, also...

Analysis of Reverse Flow for Single Phase Fluid Inside U-Tubes of Steam Generator

S.M. Wang, D. Zhang, H.G. Xiao, X. Chu
The heat transfer and turbulent flow inside U-tubes in steam generator (SG) are studied. A flow model based on one-dimensional Oberbeck-Boussinesq equation is proposed and improved to analyze the phenomenon of reverse flow. The relationship between the mass flow velocity and pressure drop is established,...

Density-Functional Study on the Origin of Ferromagnetism in Copper Doped Aluminium Nitride

H.M. Zhao
Recently, room-temperature ferromagnetism was reported in Cu-doped AlN film. However, a systematic study on the magnetic mediation of intrinsic vacancy is still absent and the origin of ferromagnetism of Cu-doped AlN remains unclear. We investigate the magnetic properties of Cu-doped AlN by first-principles...

Demodulation System of the FBG Reflectance Spectrum Based on Optical Low Coherence Reflectometry

L.Y. Zhang, X.Y. Shen, J. Sun, J.C. Hu, Y. Han
The key to the complex sensor detection(such as the non homogenous strain detection) of the fiber Bragg grating(FBG) is the demodulation of FBG reflectance spectrum. This paper designs the demodulation system which is based on the optical low coherence reflectometry(OLCR) princple. The system is mainly...

Specific Solutions of a Class of Second Order Difference Equation with Boundary Conditions

Y. Ouyang
Difference equation is a kind of important tool to study the rule of natural phenomena. In this paper, we discuss several specific solutions of a class of second order difference equation with boundary conditions.

Study on the Fixture Analysis and Configuration Method for Computer-aided Modular Fixture Design

Y.Q. Zhou, B.Z. Li, Q.X. Wang, Y. Zhang
Modular fixture design is a complex process. Computer-aided modular fixture design can help to accumulate the experience and technology of fixture designer. In this paper, the optimal configuration method of hole modular fixture is studied in computer-aided modular fixture design. Firstly, the characteristics...

Intelligent Space for Building Fire Detection and Evacuation Decision Support

Z.C. Zou, H. Leng, K.L. Wu, W.Q. Su
Building fires cause incredible life and property losses. In order to enhance buildings safety a framework of building up intelligent space based fire detection and evacuation system is clarified in this paper. On the base of building fire defence analysis, this paper illustrates the application of intelligent...

An Improved Dead Reckoning Algorithm for Indoor Positioning Based on Inertial Sensors

T. Chen, L. Xu, Z. Zhou
Locationbasedservice(LBS) became more and more popular.ThecoretechnologyofLBS is positioning. For indoor positioning, the GPS (Global Positioning System) receiver can’t provide accurate results and even fails in positioning. This paper raises a method by using inertial sensors to realize a continuous...

Target Tracking by Adaptive Waveform Design of Generalized Frequency Modulation

W.H. Xue, F. Xie, L. Mao
A tracking algorithm by adaptive waveform design of generalized frequency modulation (GFM) is researched in this paper. According to the tracker’s dynamical requirements, the transmitted waveform for the next time step is adaptively designed based on GFM pulses as a sample waveform, in order to minimize...

Impact Predictions of Face Gear Rim Thicknesses on Mesh Stiffness of Face Gear Drives

H.S. Chen, Z.M.Q. Li, X.S. Liu, H. Wu, J. Wang
Mesh stiffness is one of fundamental parameters of face gear dynamics. Thus, a calculation solution of mesh stiffness of face gear drives was constructed by finite element method. The impact of face gear rim thicknesses on mesh stiffness was predicted. The analytical results indicate that a face gear...

Workspace Analysis of A 2-DOF Planar Parallel Mechanism

Y. Y. Chen, X.Z. Han, F. Gao, Z.H. Wei, Y. Zhang
A 2- Degree Of Freedom (DOF) planar parallel mechanism is introduced and the inverse solution of the kinematics and Jacobin matrix and workspace analysis are carries out. The mathematical conditions of which the singular configuration of the manipulator occurred based on Jacobin matrix and the relationship...

The Modified PID Network of Aeroengine Multivariable Decoupling Control System

J. Ying, H. Rong, J.Y. Dai, F.T. Huang
To solve the decoupling problem in aeroengine multivariable contrl system,in this article,using the modified PID network design the decoupling controller for aeroengine multivariable system. PID network weights using gradient learning algorithm, the network weights fixed more slowly and were easy to...

Analysis and Diagnosis of Coal Shearer Machine Fault Based on Improved Support Vector Theory

X. Zhang, X.M. Ma, Z.S. Yang
In coal shearer monitoring system, the early detecting of fault is key technique for preventing the shearer fail. In this paper, the improved support vector machine theory is introduced to detected shearer fault under the mine underground, the improved algorithm based on support vector machine theory...

Virtual Instrument Design of Metro Power Harmonic Detection System based on the Improved FFT Algorithm

Y.B. Ma, Z.G. Ye
The current hardware detection methods have many drawbacks, such as poor flexibility and single function. Considering the frequency fluctuation and half-wave symmetric characteristic of the metro power system signals, an improved FFT algorithm that only analyzes the odd harmonics in its calculation is...

An Enhanced Ultrasonic Frequency Closed-Loop Control System for Biological Decomposition

E. Shi, C. Hu, Y.S. Xu
Frequency automatic tracking is a main characteristic of ultrasonic power system, especially in the field of biological decomposition. In this paper, after analysing characteristics of multiple peaks of transducer, a reliable power control and frequency tracking strategy is introduced. It is based on...

Access of Distributed Generation and its Energy Management System Development

B. Zeng, X.Y. Kong, Q.A. Hu, S.Y. Zhang, Q. Yang, S.Y. Ge
The access of distributed generation is one of the important functions for future energy management system. In this paper, technologies with information interaction of devices and energy management system for distributed generation “plug and play” access was analyzed. A “plug and play” control model...

Performance Analysis of Combined Cycle System Driven by Solid Oxide Fuel Cell

H.B. Zhao, T. Jiang, Q. Yang, W. Yang
Solid oxide fuel cells can directly convert chemical energy of fuel into electricity, not limited by Carnot cycle, can greatly improve efficiency. GT-Kalina combined cycle system driven by SOFC can realize the cascade utilization of the exhaust heat, by this way to improve system efficiency. This paper...

Shift Schedule Modification for Automated Manual Transmission Based on Road Slope Identification

H. Lu, X.F. Yin, X.H. Wu
Identification of the road slope is a key issue for automated manual transmission (AMT) to have its shift schedule adapt to the slope change during operation. To tackle the problem of frequent gearshift on ramp of the traditional shift schedule, a slope recognition method based on the vehicle’s acceleration...

The Dimensionless-Parameter Robust Optimization Method Based on Geometric Approach of Pulley Block Compensation In Luffing Mechanism

Y. Xue, M.S. Ji, N. Wu
When using the minimum unbalance torque as the objective function to establish the optimization mathematical model of pulley block compensation in luffing mechanism, the dimensional optimal solutions do not have extension applicability. To solve this problem, a new optimization mathematical model, using...

Study of Pressure Distributions in A Flexural Gas Squeeze Film

J. Li, T. Zhang, C.J. Liu
Near field acoustic levitation (NFAL) has been used in non-contact handling and transportation. The levitation force is generated by the squeeze film. In order to descript the levitation force precisely, we built a mathematic model of the squeeze film, considering the gas inertia and relevant nonlinear...

Cluster Modelling for Cognitive Radio Ad-hoc Networks Using Graph Theory

N. Mansoor, S. Baharun, A.K.M. M. Islam, S. Komaki, M. Zareei
With the swift expansion of wireless technologies, demand for radio spectrum is continuously mounting. Along with the spectrum scarcity problem, radio spectrums are also underutilized. Cognitive radio practices an open spectrum allocation technique, which can ensure efficient handling of the frequency...

Numerical Simulation of Pedestrian Flow Based on A Higher-Order Macroscopic Model

Y.Q. Jiang, S.G. Zhou
In this paper, a higher-order macroscopic model is applied to simulate non-equilibrium pedestrian flow. The path choice behavior is described by a time dependent Hamilton Jacobi equation based on the assumption that pedestrian flow always tends to walk along a path with lowest actual walking cost. A...

A Dynamic Load Balancing Strategy For Real-Time Aircraft Collaborative Simulation

J.X. Zhao, G.Z. Peng, H.M. Zhang
Synergic collaboration and load balancing are important techniques for complex aircrafts system simulation. The synergic models included aerodynamic, atmospheric and engine control models are studied and categorized into two groups in this paper. Moreover, optimizing the dispatch strategy is an essential...

Design and Simulation of Closed-Loop Control System for Screw Oil Press

Z.G. Hu, Y.L. Chen
The traditional screw press has many disadvantages, such as the lower level of automation, the existing unstable control system and the longer response time. Through the research on the principle of pressed oil, mechanical structure and the automatic control procedure of the screw press, a set of automatic...

Numerical Simulation for Orbit Patterns of Three Stars

M.Y. Zhou, W.D. Jiang, R.H. Yao, J.H. Gao
After surveying and analyzing the educational condition of the High- School Physics, specifically about the stars’ movements, we treated the High-School Physics material as basis, researched enormous information from the internet and simulated three stars’ movements depending on numerical method, and...

Swing Up and Balancing Implementation for the Pendubot Using Advanced Sliding Mode Control

C.V. Kien, N.N. Son, H.P. Huy Anh
In this paper, an advanced sliding mode control (ASMC) with integral sliding function is proposed for the pendubot system which is a planar two degree of freedom (2-DOF) robotic arm in the vertical plane with an actuator at the shoulder, but no actuator at the elbow. Using MATLAB/SIMULINK environment,...

Predictive Control System of Gas Recovery Based on Neural Network and Fuzzy Control

H.Y. Bian, Y.L. Chang
Aiming at the problem that the converter gas steam recovery and average recovery rate is less than forty percent in some steel factory, this research optimized recycle-using system of steel plant’s converter gas by applying neural-network adaptive predictive control and fuzzy control. The simulation...