In recent years, the rapid development of e-commerce not only benefited the whole Chinese economic, but also changed consumers' attitudes and approaches. As e-commerce developed, the last mile delivery problem has become a key factor in the electronic commerce logistics. The last mile delivery is the...

The speech is always the most convenient, most natural way of communication. In this paper, the application of speech technology in the translation system is studied. First,brief the developments and basic theories of speech technology. Then make a deep research for application of Speech Recognition(SR),...

The traditional relations database cannot satisfy the management system of coal mine safety monitoring information which needs the real-time data fast response, but the real-time database can realize well to monitoring system's data management, exchange and sharing. According to the coal mine safety...

The efficient coal mine dispatching graphics digital system not only t can realize the unified management of information resources, but also can make efficient and accurate policy decision through the feedback of information, which effectively solve the problem of information of insular islands in coal...

Potato is one of the most important food crops in the world. The information which extraction from high resolution remote sensing image is a new way to study the potato planting distribution and growth condition. For remote sensing target detection, a lot of people were used AdaBoost algorithm, SIFT...

We have developed the IED device's Intelligent Testing System for the lack of existing field-testing techniques. The system can automatic access to the tested IED's configuration parameters by simulating the MMS service. It can use the parameters to set the test parameters of the process layer and tests...

With the evolution of process and innovation of design technology, it makes soft errors on the reliability of the integrated circuit to bring more and more serious threat. Space radiation environment caused by high-energy particles Single Event Upset (SEU) event seriously affected the reliability of...

With the increasing requirement of the self-adaptation topology change of distribution line, not only should FA realize distribution automation terminal plug and play, but also be able to adapt to changes in the topology of distribution lines. Distribution circuit topology model can reflect the connection...

In order to improve the vehicle speed range of the interior permanent magnet synchronous motor, the flux weakening control strategy is studied in this article. The interior permanent magnet synchronous motor field weakening control system simulation model is established based on the platform of MATLAB/Simulink,...

The yield system of spring wheat in Inner Mongolia was investigated in this study. Based on the meteorological data, crop data and soil data between 1961 and 2010. And analyze the influence to the yield of spring wheat caused by climate change with the APSIM-Wheat model and mathematical Statistics mode....

The features of auto recalls caused by braking system defects in China are analyzed on the basis of official authority statistical data on auto recalls in China. This study shows that the braking system defects attributable to hydraulic service brake secondary assembly take the highest proportion among...

Focused on uneasy monitoring of shipboard incineration, we employ the latest achievements of automation and information technology as well as PLC to successfully realize intelligent and ship-shore monitoring. In terms of combustion monitoring, various system parameters are under strict and real-time...

An integrated non destructive testing system using AMR magnetic sensor is manufactured which contains detection technology of metal magnetic memory(MMM), magnetic flux leakage(MFL) and Barkhausen(MBN) in order to detect the defects of ferromagnetic materials rapidly. The test of 45 steel specimens with...

IPv6 integrates and covers a variety of advanced network technologies and has good extensibility. It has become the main Network Layer protocol in the next-generation Internet. In general it takes a long period for a new protocol to be invented and then to be applied in a wide range. Now there is a wide...

In this paper, a new splitting iterative method is discussed for solving fuzzy linear systems of equations, where the coefficient matrix is crisp and the right-hand side is fuzzy vector. The convergence theorem is provided with numerical examples to illustrate the method.

To study the response speed of the hydraulic pressure of hydraulic brake system, a hydraulic unit was taken as an example, and the structural principle of the key components was analyzed. Then the model of the hydraulic unit was established by AMESim for simulation and analysis, and variable-controlling...

This Paper introduces the usage of an automatic system which uses one VVVF controls many electric submersible pumps. "Multi-Split VVVF" system means that only use one (or a few) frequency converter using multiple PLC components network control system. The system can start and stop control of multiple...

With the communication delays in the communication topology, the synchronization motion of multiple marine vessels is discussed. A novel synchronization control method that is based on distributed control strategy and graph theory is presented. The synchronization error and the trajectory tracking error...

In this paper, monitoring software based on principle and structure of distributed optical fiber fire detection used to observe the temperature of the cable laying and realize the real-time alarm is designed. It was written in Qt Programming language with cooperation of optimization design of the signal...

The model of robust principal component analysis(RPCA) is built for dynamic magnetic resonance image(DMRI) reconstruction in order to better extract the dynamic part of the cine cardiac tissue. This model decomposes the cardiac magnetic resonance image into sparse part and low-rank part by solving a...

With the development of the electronic commerce and information technology, the network commercial activities have become a stream of tide. More and more people are keen on shopping online. Customer loyalty is an important factor that affect customers' future continuous interaction with enterprises....

To meet the high requirements of base station antennas, such as broadband, wide beamwidth and high gain, an improved dipole antenna array is proposed. Generally, the working frequency range of the conventional unidirectional dipole element cannot cover the 2G, 3G and 4G band (1.71-2.69GHz) at the same...

With the rapid development of the power electronic technology and control technology, the use of the IGBT, IGCT full controlled devices consisting of a voltage source converter (voltage source converter, VSC) in the DC transmission system has been widely used. However, rapid response of power electronic...

Interdisciplinary has interdisciplinary, integration, creativity, complementarity and other characteristics, has an important position and role in innovative training college students, this paper analyzes the interdisciplinary dilemma nurturing creative talents among college students, and to strengthen...

Along with economic development, English has been playing an increasingly important role in each industry. The remote education relies on the Internet, so, communication in areas can't be achieved without network coverage. Not only the English teaching ability and its flexibility can be improved effectively...

In this paper an asymmetric digital watermarking technique based on the Fourier transform. The technique utilizes phase and magnitude component and their one-way combination methods of both components in order to protect the watermark sign being reconstructed with detection signal. A method that using...

In spam filtering filed, Naive Bayes algorithm is one of the most popular algorithms, but its conditional independent assumption makes its reliance on training sets of sample space distribution. In order to improve the accuracy rate, sample space became so complex, resulting in the algorithm of time...

First, the article introduces the definition and characteristics of computer virus, and the classification of computer virus. Then, it introduces the mainstream of virus detection technology, such as signature detection technology, checksum method, behavior detection technology and artificial immune...

With the enterprise network management and accounting information construction applying deeply, as well as domestic enterprise risk management system construction work step by step. It is urgent hope in accounting theory circles to study under the environment of ERP listed company accounting internal...

A wideband omnidirectional dielectric resonator antenna (DRA) array has been proposed. The simulated results show that the return loss of the DRA array is less than -10dB in the frequency band of 1.61dB-2.92dB (57.8%), which can cover the 2G/3G/LTE bands simultaneously. In order to reduce the deterioration...

The Nramp family plays an important role in the absorption of cadmium in plants. Combining with biological process of cadmium uptake by plants, we are going to build a network which represents the system and then establish two multi-level dynamic models according to the different expression of Nramp...

With the development of the wireless communication technology and intelligent wireless sensor, the positioning services based on WiFi are increasingly demanded. In this paper, we implement an indoor assets location system, based on WiFi and WiFi Received Signal Strength Indication (RSSI) measuring device...

The performance of the braking system has an important influence on the safe operation of the train. In this paper, the AMESim simulation software is used to simulate the pneumatic valve unit (PVU) for the direct electro-pneumatic braking system controlled by the microcomputer. And the correctness of...

Through the deep research on the mathematical model of high efficiency machining movement, the method of developing the simulation system of high efficiency machining machine tools in general software environment is discussed. According to the characteristics of high efficiency machining machine tool,...

Wechat is a popular social platform developed in 2011 by Tencent. In this paper wechat traffic is analyzed by a novel hybrid method, which combines statistical method, payload-based method, SVM, CRC and deep learning. Firstly, the statistical method is utilized to extract features from wechat packets...

Jietai Temple landslide is located in the north wing slope of Ma'an mountain, Mentougou distric to Beijing, and is China's key cultural relics protection units and famous Buddhist temples. According to Jietai Temple landslide formation conditions, predisposing factors, deformation and failure characteristics,...

The new features of IPv6 lead to the lack of the existing network management system to support IPv6.The article focuses on the IPv6 neighbor discovery protocol, address auto configuration, and some the not accessible information in IPv6 MIB. The article also tries to solve the problems.

Pixhawk is an open-source flight control system. The research on the attitude control algorithm Pixhawk uses provides a good reference for the use and development of the Pixhawk. In this paper, it provides a theoretical analysis of the attitude control algorithm of multi-rotors in Pixhawk, and it also...

This paper discusses the issues related to chaos synchronization between two four-wing fractional-order chaotic systems with identical structure by using state observers. The effectiveness and feasibility of the proposed synchronization scheme are verified by numerical simulations and experimental records,...

In order to improve the quality of data collection, a method of dada collection with high reliability is proposed in this paper. Based on the data collection method, the software and system platform of client intelligent electricity information system (CIEIS) is designed to further analyze client electricity...

Big data is the focus in power system currently. In order to analyze and classify the electricity model of clients, identify the avoiding peak space intelligently, extract value-added information of clients and control the electric load actively, it is extremely necessary to analyze the information of...

We study on the generation of efficient terahertz (THz) wave. This scheme applying cavity phase matching (CPM) optical parametric oscillator (OPO) with a GaAs crystal sheet by CO2 laser is proposed. The THz wave is emitted the nonlinear crystal. We calculated the optimized cavity length in a GaAs crystal...

This design uses three point convergence type suspension system The upper pull rod adopts the hydraulic oil cylinder to adjust the buried angle, and use rope winding device connection the lower pull rod It can independently adjust the working condition of the equipment. Small multi-function chassis suspension...

With the development of measurement technology, people have accumulated a large amount of data, these data which often with time stamp can be regarded as time series. The basic idea, the process of modeling, and prediction process of fault temperature signal prediction based on ARMA model are presented...

Sliding Variable Control has been widely intruduced in industrial fields and achieved good results,because it takes strong robustness without parameters affected and anti-jamming features.The electronically controlled diesel engine is a typical multi-disturbance dynamic and nonlinear system of delay.In...

BOM database is designed through the analysis of the actual situation of the production workshop of the torque converter and the demand of enterprise. This paper analyzes scheduling management module, material distribution management module, real-time monitoring module and management module in the hydraulic...

To improve the output characteristics of the double-action vane pump, a numerical simulation of flow field in double-action pump was carried out based on CFD. The study indicates that the reason of flow and pressure fluctuation in vane pump is because of "high pressure reflux". By applying the high-order...

Pod bracket is the connecting part of azimuth axis and pitch axis, due to the influence of the plane attitude, wind resistance and other factors on the plane, its rationality and reliability of design deserves a high degree of concern. First, the specific structure is determined according to the technical...

Rate estimation is useful for many H.264/AVC applications including rate-distortion optimization (RDO) for fast mode decision and precise rate control. In this paper, we propose a new header rate prediction model and an adaptive algorithm to provide more accurate estimation of the number of total coding...

In order to apply the lithium-ion batteries on the electric vehicles reliably and safely, estimating the internal statements of the batteries, such as the state-of-charge (SOC) is obligatory. The purpose of this work was to present a SOC estimation method named parallel arithmetical unscented Kalman...