For the emerging domestic Information Security Specialty (ISS), we can draw of little successful experience directly on professional practice in this field, not to mention referring directly. In order to improve the professional practice quality of ISS students, measures are carried out as follows. First,...

The narrow gap automatic MAG welding equipment in this article is a narrow gap gas metal arc automatic welding system developed by Wuhan University, which has remarkable advantages of low heat input and high efficiency. The low heat input reduces the tendency of grain coarsening and other bad non-equilibrium...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

1. Objective: In order to solve inventory control problems of auto parts in automobile industry, such as overstock, stock capital was exorbitant and so on;2. Methods: Value, stock out loss degree, purchasing lead time, profit rate and demand rate were selected as the evaluation criterion. At the same...

Nowadays, social network technology provided a lot of ways for users to express their emotions and attitudes online. How to model user preferenced information and provide personalized service is a crucial problem in big data era. In this paper, a new probabilistic model be proposed to model and analysis...

Data mining is a very important step of knowledge discovery and it is through the establishment of mining model and through the implementation of the corresponding algorithm to complete knowledge formation. This paper analyzes the advantages and disadvantages of the management information system of wireless...

In this paper, we present our system iMovie to provide an efficient sentiment search tool for online movie reviews. iMovie implements a ontology tree model to represent the complex relationship between features and opinion words in movie reviews, which guarantees system’s accuracy. iMovie integrates...

According to the specific requirements of environment of National Computer Rank Examination (NCRE), through the introduction horizon architecture of desktop virtualization software (WMware View) and introduction its method of installation, debugging, finally realizes the purpose of cloud computing examination...

Objective: In order to study the contect of sodium cyclamate in jellies. Method: Using ring amino sulfonate sodium hypochlorite derived reaction occurs under acidic conditions to generate N-,N-dichloro-cyclohexane,and then hexane extracted ODC-C14 column,methanol(V):water(V)=80:20 as mobile phase separation,the...

Fault detection and diagnosis (FDD) for singular stochastic distribution control (SDC) systems via the output probability density functions(PDFs) have been discussed. The PDFs can be approximated via square-root B-spline expansion,and expansions to represent the dynamics weighting systems between the...

When the small hydropower stations are linked with the power system, it becomes difficult to judge the type of the fault which causes the running of the hydropower station unsteadily. If the fault takes place in the distribution line which links to the hydropower stations, the reclosing always fails....

Because the trend in small hydro-power micro grid flows bi-directionally, the traditional strategy which based on phase voltage change and load shedding has become increasingly unreliability. In order to adapt to the new application environment of small hydro-power micro grid, and to improve the protection...

The detection of intermittent chaos is an important embranchment of detection of weak signal based on chaos oscillator, which is used to detect the frequency of the signal. In this paper, a method of intermittent chaos detection based on the two-oscillator-difference is put forward. The validity of this...

Due to the most of popular algorithms based on image retrieval have a large calculation. While the method of DCT domain have less calculation, and compatible with international popular standard of data compression (JPEG MPEG H261/263). So this paper proposes an image retrieval method based on DCT compression....

This paper explores a food’s microbiology prediction and quality assessment system platform based on .NET three-tier architecture, which uses ADO.NET caching technology, the MVC architecture, SQL Server database, which establishes fresh food microbiology prediction and quality assessment platform, which...

This paper discusses a programming problem with dump design in Bay river iron on Yunnan province. In order to solve the problem efficiently, Firstly we analysis the conditions about the geological, then design the dump of Jinping Bayriver iron on Yunnan province. However, the stability is very important...

In order to understand the distribution characteristics and temporal change of mercury species in a sewage treatment plant,sewage and sludge samples were collected from influent and effluent of the Second Sewage Treatment Plant of Jiaozuo for 10 months.Atomic Fluorescence method was used to detect mercury.Total...

The dielectric properties of coplanar propagation waveguides (CPW) designed and fabricated on high resistivity silicon substrates are investigated. These CPWs exhibited transmission losses around 0.4 dB/mm at 50 GHz. In particular, temperature-dependent measurements show very low deviations. The complex...

In order to improve the quality of service and the energy efficiency, congestion control has exposed as an essential factor in the wireless sensor network. Congestion control for wireless sensor network based on generalized minimum variance controller is proposed in the paper, for which node-congestion...

Aiming at the rapid response and speed ripple of direct torque control of asynchronous motor, a fuzzy neural network algorithm based on stator flux model is proposed to achieve the selecting of switch state under low-speed. By using automatic generation of fuzzy neural network algorithm, real-time adjustment...

In analog circuit automatic generating fault tree field, several problems are as below: currently the fault tree model had not strong structural to provide the detail realization method to automatic generating fault tree and only used Support Vector Machine algorithm to automatic generating fault tree...

Insulation dielectric loss of power cable is more obvious in ultra-low frequency than in other frequency band. The insulation dielectric loss effectively describes power cable insulating properties and the DC characteristics of the medium. A new dielectric loss tester is designed, using quasi-synchronous...

Considering the limited resource and capability, a mobile database model based on secret sharing protocol is proposed. The system achieves the mechanism of the least privilege with the use of secret sharing protocol, which guarantees that only the mobile client can get both the key and the cipher text....

Because of distributed photovoltaic power generating a large amount of data in every second and in every node, to collect and handle the massive of data in the photovoltaic power system within the prescribed time, it puts the storage and processing of massive data forward higher request, and brings serious...

The method of microprocessor circuit fault diagnosis is mainly discussed in this paper. In order to test circuit faults

Dichloroacetic acid (DCAA) is one of the most common, stable and carcinogenic byproducts in water and wastewater treatment. In this study, dechlorination and decomposition of DCAA by glow discharge plasma (GDP) in a sodium sulfate solution were investigated. Intermediate products were identified and...

To accurately predict the brake performance of hydrodynamic retarder, the computational fluid dynamics (CFD) is used to transient numerical simulation of liquid-gas two-phase flow in this paper. It obtained the distribution characteristic of pressure and velocity, and calculated the braking torque. On...

Cam mechanism is widely used as a common mechanism in automated or semi-automated machinery. To improve the cam mechanism design, efficiency and quality of machining process, a direct-acting roller follower disk cam mechanism was designed and simulated based on PRO/E. Computer-aided design and simulation...

The purpose of control loop performance assessment is to find a proper method to measure the difference between the actual performance and the predicted performance of the industrial control loop and further identify problems and make adjustments. Therefore, a proper basis to evaluate the correspondingly...

This paper proposes a new fault diagnosis strategy for analog circuit after analyzing diagnosis method based on the BP neural networks and AI-ESTATE standard. At present, The artificial intelligence algorithms such as SVM and BP has been widely adopted in analog circuit fault diagnosis, but it is not...

Recommender systems are used to recommend items for user in e-commerce with information overload. Utility-based recommender systems build multi-attribute utility function of user and recommend the highest utility item for user. Some utility-based recommender systems use rating for items to extract utility...

The ageing population increases significantly in these years. How to care for the elderly people living alone becomes an important problem. This design is a wireless monitoring system for elderly people living alone based on ZigBee and LabVIEW because ZigBee is a low power and low cost wireless networking...

The congestion of toll plaza seriously damages safety and smoothness of highway. In order to induce driver to reasonably choose charging channels, to improve the efficiency of toll station, and to relieve the congestion problem of highway toll plaza, this paper, considering drivers as the object of study...

How to quickly and correctly identify the second generation ID card code has important practical significance in real life. The algorithms have been presented about the recognition and verification code of ID cards. In order to let computer own the knowledge of code of character image, firstly, transform...

Based on NC Code, in this paper, a kind of virtual descriptive language—V Code is designed and achieved for VA simulation. It is divided into three parts: scene setting code, motion controlling code and environment rendering code. At the same time, V Code definition, function classification, V Code interpreter...

During the course of aircraft manufacturing, there are large volumes of data which has complex relationships. In order to ensure the rationality of the assembly process, to reduce assembly costs and to improve assembly efficiency, centering on aircraft digital assembly process system, we studied in-depth...

The aim of this work was to investigate the effect of titania nanoparticles (TiO2 NPs) on chlorella cultivated in modified Blue–Green medium (BG-11). The chlorella species were exposed for 96 h with a daily reading of the quantity of chlorella cultivated in modified BG-11 medium with different concentrations...

A direct adaptive controller based on improved radial basis function (RBF) neural networks (NN) is proposed for an omni-directional mobile robot (OMR). The OMR is a multi-input and multi-output (MIMO), unmodeled and uncertain nonlinear system which is difficult to be modeled due to a large number of...

The robot manipulators is a complicated uncertain nonlinear system, mainly due to the nonlinear and coupled character of system equations and the lack of a precise model for the dynamics and parameters, as well as the appearance of internal and external perturbations. A new control algorithm was proposed...

Because of the non-uniform cluster-head election in the classical clustering algorithm, some nodes maybe exhaust energy prematurely so that it is not fit for large-scale wireless sensor networks(WSNs). In this paper, a distributed clustering routing algorithm based on fuzzy weight attribute degree(FWAD)...

Supercapacitor can get high energy density and the ability of quick charging and discharging. In this work, the different mass ratios of composite electrodes mixed with active carbon (AC) based on RuO2•xH2O, were prepared to study the electrical performance parameters of the incorporations. Through Conway’s...

The ARIMA model is an important method and is widely used in time series modelling. The model relies heavily on autocorrelation patterns in the data, and doesn't consider other factors. However, in most cases, the extreme value of series has an influence on the subsequent behaviour of series. But this...

Acoustic fault diagnosis system of diesel engine is based on the analysis of the measured sound signals and try to extract the fault information contained in the signals which can be able to characterize the fault, and the contents of the research relates to the separation and feature extraction of the...

At present, China is at a critical stage of socialist modernization and further development of the social economy, making life, learning, and the production of electrical energy demand continues to increase, the quality and security of supply requirements more stringent, while dispatching automation...

According to the energy balance equation at the ice bottom, the ice bottom energy balance system has been given, and the existence and uniqueness of the solution of the system has been proved. The oceanic heat flux is selected as identified parameter and the the ice thickness deviation as the performance...

On the basis of a clear definition of the meaning of the competitiveness of agriculture, proposed by four factors, 10 basic indicators constitute agricultural competitiveness evaluation index system, comprehensive evaluation identified by factor analysis, and the use of detailed statistics on the east...

In order to study on the basic mechanical characteristics of CRTS III type slab ballastless track structure, a product of independent research and development of China, we have established the spatial mechanical model of elastic and non-elastic cushion of CRTS III type slab ballastless track based on...

The fracture reason of a driving shaft used motorcycle engine was analyzed by means of macroscopic examination, chemical analysis, fracture analysis, hardness testing. The results showed that the fatigue fracture mode was determined and incomplete hardening of the axis and increasingly growing load were...

Jet pump is a mechanism of vaccum pump working with medium of liquid or gas for the transportation of fluids such as solid, liquid and gas in the fields of water conservancy, power, petroleum, metallurgy, transportation, chemical industry, environmental protection and fire protection. In this paper,...

A set of vehicular farmland information processing system is developed in this paper. System uses the EPCS-8980 ARM industrial control computer and embedded GIS system as the information processing center, take Beidou navigation receivers as positioning tool, and Hall approach switch sensor as unit speed...

The system of time-to-digital conversion is based on the Field Programmable Gate Array (FPGA)[1], compared with the TDC system existing now, the innovation of this design is can measure the width of the continue pulses. This system is designed on the Spartan-6 platform of the Xinlinx company. There are...