Advances in Engineering Research

The separation and detection modules of the chromatographic system for the transformer gas-in-oil on-line monitoring is improved. The former single-column separation detection module is improved to double-column separation detection module, and compared with single-column detection module. The results...

Vibration and noise always occur simultaneously. Vibration is the source of noise. All noises are the transmission of the vibration energy of vibrating body on medium, whether solid or fluid. The noises may through many mediums to our ears and the noises may be very complicated, which are comprised by...

The intelligent distribution network is a kind of complex system, which is affected by many factors. The establishment of evaluation indexes and method of transformer area is the basis for further scientific planning, construction and management of distribution network. Based on the advantages of neural...

Hot stamping is a reliable way for the production of high performance auto parts with light weight. Hot stamping process requires pre-blanking steel sheet to be transported and processed at elevated temperature, and the performance of hot stamping products is closely related to temperature. This paper...

This paper mainly introduces the types and features of abandoned medicine reverse logistics in China, as well as the causes of abandoned medicine reverse logistics. The paper also analyzed the problems existing in the abandoned medicine reverse logistics development in our country and analyzed to find...

The ES-U3160 reinforced fabrics with toughening function were prepared by carrying the Ex-situ elasticizer polyethersulphone homogeneously on reinforced fabrics according to Ex-situ toughening technology. ES-U3160/5284 CF reinforced epoxy resin matrix composites were prepared by RTM process taking ES-U3160...

Sustainable buildings have been commonly considered as more expensive than traditional design building. Public has concerned about actual economic return of energy efficient building. This study tries to analyze economical return of sustainable residential building in Melbourne and what is rational decision...

This paper introduced the improvement of the original control system of process control laboratory. The development of the liquid level, temperature and flow time-sharing control experiment platform adopting Profibus-DP fieldbus technology of Siemens. The newly designed control system using S7-300PLC...

For the modern intelligent manufacturing enterprises, the information security has a direct impact on the normal operation and long-term development of the enterprise. This is the problem which the enterprise should pay attention to it. How to construct information security and protect the core information...

In order to keep the balance between construction industry development and environment protection, achieve the sustainable development between economy and the environment. As a part of sustainable development policy, this study aims to replace fly ash with volcanic powder for making concrete. By making...

This Paper stars from the basic working principle of PLL, obtains the mathematical model of PLL based on the traditional PLL structure, and analyzes the phase-locked loop tracking performance, acquisition performance, stability and noise performance, and other performances of PLL. This paper describes...

The method of carbothermal reaction is used to prepare titanium boride (TiB2) in a DC electric arc furnance by using a powder mixture of TiO2, H2BO3 and C. The initial product is milled and the impurities are removed by pickling and reverse flotation. The final TiB2 powder with a purity of over 99% can...

A new method for similarity analysis of protein sequences is presented in this paper. On the basis of positions, proportion difference and various physicochemical properties of 20 kinds of amino acid in different protein sequences, representative information was extracted from protein sequence and converted...

Wide-area PSS (power system stabilizer) and HVDC (High voltage direct current) modulation are effective damping controllers in power system. With conventional parameter tuning method, the damping of the non-dominate modes would be impaired or new poor damping mode would be triggered. In this paper, the...

ZnO thin films have been deposited on ITO substrates by pulsed laser deposition at various laser pulse energies. The crystalline structure, surface morphology and optical properties of ZnO thin films were characterized by X-ray diffraction (XRD), atomic force microscope (AFM) and UV-Visible measurements....

To study the effects of different surface microtextures on the friction and wear properties, the microtextures were processed on the 45 steel surfaces by pulsed laser. It showed that the textured surfaces with pits and grooves had an effect on the storage of lubricating oil and abrasive particles, which...

Most controllers used in power system such as PID controllers are based on linearization without considering the external disturbance. In this paper, the disturbance observer is introduced in HVDC control. Firstly, the model of HVDC system considering the disturbance is established. Then disturbance...

In this paper, the influence of nozzle hole shape on internal flow and near-nozzle spray behavior was studied. A flow visualization experimental system with a transparent scaled-up injector was setup. Three nozzles with the same hole outlet diameter but different hole shapes were used. Detailed comparisons...

Using the principal component (PCA) strong ability of extracting effective features of foundation pit horizontal displacement monitoring data (monitoring, monitoring temperature, relative humidity, excavation depth) characteristics analysis .extracting the effective principal component, constructing...

Modular Multilevel Converters (MMC) have been widely applied in medium- and high-voltage applications such as High Voltage Direct Current (HVDC) Transmission. Hence, the modulation method which can generate low harmonic waves with low losses is quite suit for the HVDC condition. This paper proposes a...

The photophysical properties of a novel dendrimer tetra-{3,5-di-(4-nitro benzyloxy) benzyloxy} zinc phthalocyanine (DZnPc) was studied by steady-state, time-resolved fluorescence and UV/Vis spectroscopy. DZnPc mainly existed as a monomer in DMF. Intra-molecular energy could be transferred from peripheral...

Computer technology is developing rapidly, so that the development of today's society can not do without information network. Since the information transfer computer network involved in all areas of finance, science and education, and military, which contains significant economic or national interests,...

New stage of global industry is coming with the new requirements to the IACS (Industry Automation Control System), e.g. flexible manufacturing, small batch and customized production. So far, most of IACS modeling methodologies are concerning on the description to specified domain of computing subsystem,...

Optimization of database systems for the normal operation of the whole system plays a vital role, but it is a very complex task. The final decides the database performance database availability. A database can be up and running, but if you want to take a long time to return results, then their use will...

Motor control system has a simple structure, reliable operation and easy maintenance, etc., across the range of applications, including industrial sector. As a single-chip processor motor control system greatly reduces the cost, but also greatly simplifies the wiring of the PCB, PCB layout makes it easier....

This paper experimentally study the process and characteristics of the bridge structure steel CTOD specimens weld seam fatigue crack prefabricated. The results provide an experimental base and computing foundations for the bridge This paper studies the CTOD (Crack tip opening displacement) fatigue precracking...

"Cellular immune system" concept first proposed in 1981 by the American scholar Siegel. 20 years of domestic and foreign scholars have done a lot of research and found that there are many cells and immune-related substances, and have recognition, adhesion, concentrated, anti-antigen, the antigen transfer...

The paper introduces the basic principle of voltage space vector pulse wide modulation (SVPWM), presents the detailed method of realizing SVPWM under MATLAB/SIMULINK environment, and finally gives the experimental simulation results.

Due to the vital function of frequency-variable equipment in the energy-saving technology, the paper develops a suit of small power frequency -variable controlled equipment based on digital signal processor (DSP) TMS320LF2407 of American TI company. It designs holistic project of the equipment, researches...

The main topic of reincarnation colors and different materials used in the performance of ceramic appearance, were ceramic color performance with a special technique, combining ancient beauty and modern beauty, this study as a starting point.

The design of intelligent solar charging system, through the solar panel to convert solar energy into electrical energy, through DC/DC converter circuit processing, charging the battery. The entire system consists of DC/DC conversion circuit, a processor module, A/D sampling circuit, pulse width modulation...

Information network is the trend of development of modern society, computer technology is relatively mature led to the development of corresponding industries, shopping software development process fit people's mode of life. Beginning in 2010, shopping cart software has now become a theme software to...

Biped walking robot is designed based on the principle of bionicswhich can walk like a human.The biped robot can replace the prosthesis for the disabled, and it can also make the robot better to complete the dangerous or high-intensity work. This robot not only has characteristics of simple structure,...

Life books and the people closely related to the book is an example of human learning, a broad sense is the ability to show the crystallization of human civilization history and culture; from the narrow sense to let people learn from previous experience. With the development of the times, people look...

The tensile behavior of secondary general single crystal superalloy DD6 with low Re was investigated at 1070 C. In this study, orientation of the specimens was selected along the [001] direction and the evolution of microstructure and dislocation configurations were analyzed by SEM and TEM in detail....

With the continuous development of society, the network has become an important mode of contact with people's lives. Web design from the simplest design pattern is now transformed into colorful web effect. Web design is the most important application of the law is the law of the shape, the shape of the...

As the appliance of embedded internet is more and more abroad, the embedded internet technologies have become the focus of the electronics research in the world. This paper discusses the concept and key technologies of the embedded internet, and presents the actual applications of the embedded internet...

The problems like eutrophication and high chroma of surface water has aroused the attention of lots of people. Nowadays, the study on the treatment of chroma, ammonia nitrogen and phosphorus is mature. But, these technologies are always single and independent. In this study, we synthetize a material...

VLAN technology is widely used in construction and management of large-scale advanced network. With the wide use and development of VLAN, LAN networking becomes more flexible and convenient. In this article, we elaborate the working principle of VLAN, from the perspective of broadcast domain splitting...

The modification and modulation of dicarboxylic amino acids on tellurium oxide nanoparticles (TeO2NPs) were investigated by Fourier transform infrared spectroscopy. The TeO2NPs prepared in aspartic acid (Asp) or glutamic acid (Glu) were spheres with main size distribution of 30-80 nm. TeO2NPs were bound...

Virtual reality system allows users to start from their own point of view, and take advantage of natural skills and related equipment for the generation of virtual world objects to browse and interact. In virtual reality platform, 3D visualization technology plays a vital role. In this article, we carry...

The fault information always contains many uncertain, such as the missing information, malfunction and failure to operation. In this paper, we use a new method based on probability-box theory and support vector machine to solve the uncertain problems and improve the diagnosis ability. The first, structural...

The next era of big data, computer information processing technology for processing large data stream processing model and the model is divided into two types of batch mode, computer information processing large data including extraction, analysis and interpretation of data in the three big work. Facebook...

The thesis studies the temperature characteristics of 5kW air natural convectional type proton exchange membrane fuel cell. The three-dimensional mathematical model of the proton exchange membrane fuel cell system is established. Using COMSOL software multiphysics simulation modeling, from the aspect...

In order to achieve the manual programming of complex cross-sectional profile parts,the use of curve fitting, use mapping software to draw the outline of the curve, the contour is segmented, with minimum condition arc or straight line to fit the line segment to give the arc endpoint coordinates and the...

The low- power and portable proton exchange membrane fuel cell has the features of quick start, high power density and efficient energy conversion. It is widely used in the small equipment’s power source devices. However, the characteristics of temperature change of proton exchange membrane fuel cell...

How to provide cost effective, high performance image patch query and image patch analysis implementation is one important issue for internet image server design. In this paper, we present one novel approach to internet image server design and implementation. Like most modern internet image server implementation,...

The thesis proposes an improved median filtering algorithm for the restoration of images that are highly corrupted by salt and pepper noise. The proposed algorithm (PA) replaces the noisy pixel with the median of the already processed pixel values by changing the processing structure and using iteration...

RFID systems are some typical resource constraint systems and lightweight authentication is considered as one effective method to ensure their security and privacy. The EPCglobal Class-1 Gen-2 tags are popular RFID tags and this kind of tags has some on-chip computing resources. Based on these on-chip...

Searching engines become the major tool for information retrieval of users with the rapidly increasing Web information. Traditional search engines can't completely evaluate users' search aims. It will lead to retrieval quality decline and increased cost. The paper proposed a better personalized image...

Study on the acoustical characteristic is important to speech and speaker recognition in Chinese whispered speech. In this paper, the characteristics of whispered speech are introduced and the acoustical characteristics in Chinese whispered speech are discussed. There is no fundamental frequency in the...

Aiming at the increasingly expanding business, large server maintenance amount and high maintenance cost, the Anhui Electric Power Corporation decided to carry out information system hardware resource pool construction based on advanced information technologies such as cloud computing and virtualization...

In this paper, a network performance evaluation algorithm is proposed based on BP neural network. This system collects 8 network parameters in a local area network, and classifies the performance of network into three states: excellent, good and unqualified. Verification and analysis results show that...

A servo control system and servo position signal acquisition system based on PHILIPS ARM7 series kernel LPC2292 were designed. The principle and construction of the position control module was discussed in detail. The accuracy of controlling system was verified using Matlab code. Results show that the...

Establish logistics handing agv operating environment model by using the grid method, and the picking route optimization model based on grid environment model. By analyzing the qualitative factors in agv "goods to person" picking system, present an improved genetic algorithm combining qualitative and...

The energy detection(ED) receiver is a practical solution for time of arrival (TOA) estimation in ultra wideband (UWB) ranging,Nevertheless,this method is vulnerable to the interference of noise and other wireless systems.In the study,we propose a novel method based independent component analysis(ICA)...

Mobile social computing services such as location-based services and cooperative computing services are emerging for mobile devices. Those services promise to give us more opportunities to enhance social connectivity with neighbors and nearby places. This paper focuses on the issue of how to be aware...

Cloud service has been widely used in people daily life for its convenience and security. In general, there are two sub processes in the course of the interaction mobile devices and cloud servers: data compression and transmission. In this paper, we present a test methodology for evaluating energy cost...

In this paper, we present a novel method that exploits the great parallel capability of multi-cores to speed up the famous Count-Min sketch algorithm. The proposed parallel Count-Min sketch algorithm equally distributes the input data stream into sub-threads which use the original Count-Min sketch algorithm...

The H filter for continuous-time linear systems with measurement losses is studied by using lose ratio. The optimal strategies of the filter are provided and its optimality is proved. Then, the necessary and sufficient conditions of the optimal strategies are solved. Finally, the effectiveness of the...

Urban public transportation network is a typically complex network and the local fault of network often leads to serious systemic impact, causing cascading failure. Research on cascading failure of the bus network, is advantageous to understand of the potential key individuals of the network, so as to...

This paper, based on the analysis of the business process and characteristics of the users of school asset management system as well as the functions of asset management system, develops a suitable asset management system model through two-dimensional code technology, aiming to provide technical support...

The principle of using photoelectric sensor to detect the pulse waveform is introduced. A low cost photoelectric pulse detection device is designed, which can improve the pulse detection circuit. In addition, the pulse signal waveform display PC is designed by using C# language, and the pulse waveform...

The intelligent management of the coal mine blasting equipment storehouse can regulate the storage of the explosive material by the real-time monitoring(temperature, humidity, pressure and vibration) of the storage environment of the blasting equipment. Fingerprint identification was used for opening...

Natural Language Processing (NLP) is one of the branches of artificial intelligence science where this branch science is the basis for developing sentiment analysis. The application in NLP in sentiment analysis includes Pre-processing text consisting of featured selection and tokenization. For the classification...

The quality of accounting information determines the reliability of an entity’s financial statements. Accounting information is a product that is included in the accounting information system. An important concern for the quality of accounting information in financial statements is accounting studies...