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

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220 articles

Effect of Oxygenated Treatment to Oxide Growth and Exfoliation of Superheater Tubes

M.C. Zheng, S. Liu, J.F. Xiao, Z.P. Zhu
Based on the increasing attention of the effect on oxygenated treatment to oxide growth and exfoliation in supercritical units superheater tubes, this article introduced the mechanism of oxygen oxidation at first, and then the domestic and foreign related research in the effect on oxygenated treatment...

Green Corrosion Inhibitor in Central Air-conditioning Cooling Water

M.D. Li, B. Yang, J.M. Zhao, Y.T. Chen, S.X. Gu, C.L. Dai
The occurrence of metal corrosion can greatly reduce the air-conditioning efficiency, and even affect the safe and stable operation of equipment in central air-conditioning cooling water circulation system. Adding corrosion inhibitor to cooling water system is currently the most commonly and effective...

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...

Thermodynamic performance analysis of a CCHPsystem fueled by coke oven gas

H.B. Zhao, T. Jiang, W. Yang, Q. Yang
Inspiring from the idea of distributed energy utilization, using coke oven gas fed a combined cooling heating and power integrated system and aided by FORTRAN software to programand calculate the research system. The article concludes the influence of pressure and temperature ratios as well as the contents...

Analysis on the Technology and Economy of Lightning Protection Measures for Treble-circuit Transmission Lines

S.J. Xie, J.M. Li, Y. Zhang, S.Q. Chen, C.Y. Chen
The treble-circuit transmission lines are widely used to increasing energy transportation efficiency and saving land. Because of symmetrical electric structure, the treble-circuit transmission lines suffer from lightning trip-out for more than one circuit in a lightning strike. In this paper, an analysis...

Controlled Ageing of High Voltage Pylons

P. Polák, M. Kasencak, J. Porubcan, M. Novovesky, V. Piussi
This contribution is dedicated to issues of long term safe service of high-voltage pylons, which are during service loaded by variable loading with simultaneous acting of external environment. There were proved the procedures ensuring that the limit state will not occur during the period of technical...

A Voltage Stability Preventive Control Approach based on Generator Reactive Power Reserve Sensitivities

J. Zhao, Y. Rao
The generator reactive power reserve is closely related to the power system voltage stability. The voltage stability margin can be effectively improved by improving the critical generator reactive power reserves. A static stability preventive control approach based on reactive power reserve sensitivities...

The Pressure Loss Calculation Method and Application of Portable Fire Extinguishing Equipment for Power System

J.Z. Lu, T.J. Zhou, B. Li, C.P. Wu, Y. Liu
Wildfire nearby transmission has posed a serious threat on power system. Research on portable fire extinguishing equipment hasimportantsignificance to massive wildfire emergency handling. Structure of the water transfer system of the portable fire extinguishing equipmentis analysed. Pressure lossforms...

Study on Plug and Play Access Control for Distributed Generation in Microgrid

B. Zeng, X.Y. Kong, Y.S. Zhang, Q. Yang, S.Y. Zhang, S.Y. Ge
The “plug and play” and effective deployment of distributed generation accessible is important in further smart grid, which related to the security and stability of power system operation. A multi-agent system (MAS) based micro-grid control framework was proposed in the paper. The “plug and play” model...

Frequency Regulation Analysis of Power Systems with High Penetration Wind Power

F.F. Miao, X.S. Tang, Z.P. Qi
The integration of large-scale Variable-Speed Wind Turbine Generators (VSWTGs) will challenge power systems frequency stability due to the lack of inertia response and reserve capacity in their control system, which are important for power system stability and power quality. This paper deduced quantitatively...

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...

The Effect to Single-phase Load and Countermeasures of Zero Line Disconnection

J.F. Huang, Q.S. Chen, G.Y. Chen, W.C. Wen, H.P. Liang, Q.L. Tang, X. Cao
The characteristic of load voltage and zero line voltage is studied when the zero line disconnection occurs in three-phase distribution system. The theoretical analysis show that: zero-sequence voltage is appeared at the neutral point when the zero line disconnection occurs, and the size of zero-sequence...

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...

Electrophoretic Deposition of Carbon Nanotubes Electrode for Dye-Sensitized Solar Cells

S. Fukutomi, K. Tamiya, T. Watanabe, K. Taguchi
Generally dye-sensitized solar cell (DSSC) consists of a transparent electrode, TiO2, dye, electrolysis solution and Pt as a counter electrode.In our study, we substituted carbon nanotubes (CNT) for counter electrodes to improve the performance of DSSC owing to their advantages as high catalytic activity,...

Cell Fusion and Distinction between Viable Cell and Non-Viable Cell Using Dielectrophoresis and Optical Tweezers

Y. Mizuta, H. Takuya, T.D. Nguyen, K. Taguchi
A lot of researchers have studied cell fusion and manipulation during the past decades, and this field was pursued low cost and small setup. There is a lot of ways that can manipulate cell such as optical tweezers and dielectrophoresis (DEP). Particularly, optical tweezers can manipulate cells with non-contact...

The Optimization of Fracture System Conductivity in Tight Oil Reservoirs

G.F. Liu, Z. Meng, T.P. Wu, J.T. Wang, J.J. Zhang, Y.J. Zhang
The network fracturing has become the key technology to develop the tight oil reservoirs. This fracturing technology creates a complex fracture network in the stimulated region. The primary goal of this paper is to optimize the fracture system conductivity in tight oil reservoirs, and to analyse the...

Cell Culture and Trapping of Yeast Protoplasts Using Au Thin-Film Dielectrophoresis Chip

K. Nishimoto, K. Taguchi, K. Aritoshi
Dielectrophoresis (DEP) force will arise when an inhomogeneous AC electric field with sinusoidal wave form is applied to micro electrodes. The DEP is able to distinguish between viable and non-viable biological cells by their movement through a non-uniform electric field. The viable cells can be used...

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...

Performance Study of SOFC-HAT Combined Cycle System with Variable Conditions

H.B. Zhao, Q. Yang, W. Yang, T. Jiang
In this paper, the detailed mathematical models are established for solid oxide fuel cell-humid air turbine (SOFC-HAT) combined cycle system, and the performances of the combined system are analyzed under variable conditions such as the fuel flow, pressure ratio and turbine initial temperature. At the...

Large Signal Stabilization Method of Constant Power Loads

X.B. Liu, S.H. Ma
The electrical motor drives and power electronic converters of More Electric Vehicles usually behave as constant power loads (CPLs), and cause negative impedance instability. This paper introduced R parallel damping filters to stabilize the CPLs systems, and derived large signal stability criteria depending...

The Wet Mode Analysis of Rudder System

M.J. Li, L.K. Abbas, X.T. Rui, H.L. Yu
To calculate a rudder system’s vibration characteristic, MSC Nastran was carried out to simulate an underwater model’s wet modes based on finite element method (FEM) and virtual mass method. The model was simplified from the rudder system using a torsion spring instead of the transmission parts. The...

Diameter Expanded Conductor Self-Damping Characteristics

Y. Qi, K.J. Zhu, J.C. Wan, B. Liu
Self-damping test and analysis for one type of diameter expanded conductor JLK/G1A-530(630)/45-33.75 are performed, and analytical expression and frequency response characteristics are obtained. Comparison and analysis between normal conductor JL/G1A-630/45-45/7 and diameter expanded conductor JLK/G1A-530(630)/45-33.75...

Effect of Alkali Metal on Gasification of Coke

J.M. Yang, J.N. Xu, B. Du
This paper adopted the thermogravimetric analyzer, studied on the gasification reactivity of Xinjiang Zhundong coal. Researched gasification reactivity of different coal samples such as demineralized coal and coke with catalyst. Studied the influence of alkali metal on coke gasification process. After...

Effect of SO2 on The Viscosity of Tetrabutylammonium Bromide Aqueous Solution

S. Wang, E.H. Duan, K. Yang, S. Wu, P. Zhang
Tetrabutylammonium bromide (TBAB) aqueous solution could effectively absorb SO2. To well know effect of sulfur dioxide on the properties of TBAB mixtures, the viscosity of the tetrabutylammonium bromide aqueous solution and the mixtures containing SO2 and TBAB aqueous solution were measured. The results...

Coal Mine Robot Binocular Vision Recognition System Based on Fuzzy Neural Network

C.C. Shang, H.W. Ma
In general, coal mine detection robot has characteristics of a poor adaption to uncertain underground environment in the process of rescue. This paper proposed a binocular vision recognition system based on fuzzy neural network. The system in view of general fuzzy neural network, adopt self–organizing...

A 3D-compensating Algorithm for LNG Shipbuilding Profiles Robot Cutting System

Q.K. Chen, X.Y. Li, H.J. Wang, Z.Q. Ji, L. Kong, Y.X. Wu
The LNG shipbuilding profiles’ deformation leads to lots of challenges for hi-precision shipbuilding, in order to achieve hi-precision manufacturing for deformed LNG shipbuilding profiles, a 3D-compensating algorithm for shipbuilding profile deformation is developed based on the profile deformation happening...

Permanent Magnet Absorbed Repairing End Effector for Wall-climbing Robot

Z.W. Cui, Z.G. Sun, W.Z. Zhang, Q. Chen
In order to fulfil all-position amending of weld seam with wall-climbing robot, a permanent magnet adsorbed repairing end effector (REE) is developed. Cutting tool is installed in atwo-dimensional (2D) cutting force mode to decrease the driving force ofthemanipulator. A permanent magnet adsorption supporting...

Facial Expression Recognition Algorithm Based on PCNN

X. Jin, R.C. Nie, D.M. Zhou, J.F. Yu, K.J. He
A facial expression recognition method using the ignition position sequence (IPS) of pulse coupled neural network (PCNN) is proposed in this paper. First the method obtains normalized standard images by pre-processing the face images; and then uses PCNN model to extract the oscillation time sequences...

Research on Automatic Programming Methods of CNC Machining Parameters of Gear

X.R. Zhu
analysis tool axis and workpiece axis motion relation principle of gear hobbing and synchronous control, interface input using the key parameter, the realization of programming automatically parameters of CNC system, the parameter programming method were discussed. Application is able to simplify the...

Study of Gas Proportional Valve Performance Monitoring and Control System

X.H. Zhao
Working principles, characteristic parameters and adjustment of gas proportional valve are introduced in the paper. Performance parameters of gas proportional valve can be tested through gas proportional valve monitoring and control system. Test data are processed and analyzed, characteristic curve graph...

On the Identification Technology for the Random Load Spectrums

W.M. Li, H.D. Wang, Y.Y. Qiu, Q. Niu
This paper deduces the relationship between the frequency response and loads for a structure within the frequency domain, and puts forward a new method for identifying the random loads spectrum. Firstly, the response power spectrum of structural control points is calculated based on the white noise loads...

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...

Time Series Prediction Based on Machine Learning

Q.Y. Jiang
Time series is an important temporal data object types, for time series prediction has great significance and wide application. This paper studies the key technologies for predicting the time series of machine learning, mainly in the following three points: (1) proposed a two-class nuclear space feature...

Weapon System Operational Capability

R. Guo
As operational capability of the weapon system can be varied with each fire, it proposes operational capability evaluation method for the weapon system, afterwards it proposes operational capability evaluation method for the weapon fire taking the impact indicators such as single target detection probability...

Research on Product Design of Injecting Affection

Z. Yu
Injecting affection into the product design emphasizes the emotional experience and the inner emotional needs of the users'. Though the appearance design, we can highlight the product’s aesthetic characteristics and interaction properties in order to bring the pleasant emotional experience for the user....

The Product Innovative Design Methodology Integrating Reverse Engineering With Optimization — A Case Study on Automotive Styling

H.W. Xiong, J. Xu, C.X. Xu, M. Pan
In the styling phase of a product design, it’s difficult to meet aesthetic and performance requirements simultaneously. An innovative design methodology integrating reverse engineering (RE) with optimization is illustrated to settle such a problem. In the field of automotive styling, the stylist’s aesthetic...

Optimization of Cutting Force and Surface Roughness Based on Taguchi Technique for AA6061

E. Yahya, H. AIi salim
Optimization of machining parameters has great concerned in manufacturing environments, there for in this study cutting force and surface roughness are optimized based on machining parameters. Many researchers have established the relationship between the surface roughness and machining parameters, but...

Research of Production Scheduling Based on Theory of Constraints

X.M. Zhang, Y.L. Du
An improved DBR scheduling method is proposed based on discrete system simulation method. The simulation model is established to identify bottleneck resources and determine the buffer. The improved simulated annealing is used to optimize and determine the DBR control parameters. The example results confirm...

Mode-Switch Strategy for Dual-Motor Coupling System of Electric Vehicles Based on Optimal Dynamic Performance

S.M. Han, X.F. Yin, X.H. Wu
To improve the accelerating ability of electric vehicle, a mode-switch control strategy based on optimal dynamic performance for the dual-motor coupling system (DMCS) is put forward in this investigation. The configuration and work modes of the investigated DMCS system have been discussed at first, and...

Vibration Analysis of The End Conveyor Discharge Arm

G.Y. Lin, W.Z. Wang, Z.Y. Li, Z.B. Li
End conveyor is widely used in large open-pit mine, in order to gain the three diagonal elastic deformations of supporting elements as well as the discharge arm vibration model, by making reasonable assumptions. The discharge arm system is simplified to single degree of freedom model, using the geometric...

Research and Development of Test Rig Prototype for Remanufactured Automatic Transmission

J. Ma, Q.C. Wang, Q. Chen, Y.H. Meng
The paper puts forward a new model of electric-loading test rig for testing remanufacture automatic transmission to meet the demands for testing different types of remanufactured automatic transmissions. The sub-systems, including electric & electronic control systems and the mechanical components, were...

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...

Effect of Bolt Number on Joint Stiffness of Disc and Drum Connected by Bolted Joints

H.Y. Wang, Z.Y. Qin, F.L. Chu
The disc-drum type rotors are widely used in large turbofan engines, where the drums are connected the adjacent disks with the bolted joints. In this paper, the joint stiffness characteristics of a disc-drum structure are investigated based on the finite element model. Firstly, the nonlinear finite element...

Dynamic Response of Rubbing Happening In A Flexible Rotor-Bearing System

J.M. Chen, D.X. Jiang, T.T. Deng, J.S. Wang, J.L. Zhong, S.B. Wang
To reduce the steam loss and raise the efficiency of the steam turbine, the vapour seals are applied in the inner cylinder of the steam turbine. The small gap may easily results in the rubbing happening in the inner cylinder. Sometimes, the rotor is a flexible rotor. In this paper, dynamic response of...

Structural Optimization for Column of Gantry Machine Tool Using Response Surface Method

M.J. Twu, S.B. Yu
As the first part of an ongoing integrated project for developing a desktop gantry grinding machine tool, the structural optimization of column part is taken as the focus of the study. The thickness, height, and width of column are the design variables. The objective of optimization is to minimize volume...

The Investigation on the Mechanical Endurance Degradation of Nafion Membrane

Y. Xiao, C. Cho
As a solution of high efficiency and clean energy, fuel cell technologies, especially proton exchange membrane fuel cell (PEMFC), have caught extensive attention. However, after decades of development, the performances of PEMFCs are far from achieving the target from the Department of Energy (DOE). So,...

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...

The Study of Load Distribution for Combination Bearing in Wellbore Trajectory Control Tool

D. Feng, Z.W. Liao, H. Zhang, L. Shi, C.Y. Xia, S.Z. Wei
In this paper, the load distribution of combination bearing in wellbore trajectory control tool has been carried out the theoretical study, it is concluded the response of combination bearing in pure radial & axial load bearing. Based on this study, the working state of combination bearing has been simulated...