Advances in Engineering Research

In this paper, a simple and accurate empirical formula is adopted to establish an improved initial value setting model , and a relatively complete initial value setting method is obtained.We use a test search model with equal step size to determine the modulation ratio amplitude range m that has a solution...

To improve the applicability of designing scheme of windproof net parameters, according to the existed research results and years of design experience, this essay comes up with the method to optimize the scheme of plane layout of windproof net according to the local environmental conditions of each project...

Based on the investigation data on Cu in surface and bottom waters in the bay mouth of Jiaozhou Bay in 1983, we analyzed the contents, pollution levels, and distributions of Cu. Cu contents in Jiaozhou Bay bottom waters in May, September and October 1983 were ranged from 0.86-3.95 g L-1, 1.31-1.90 g...

A pot experiment was carried out to study the effects of different concentrations of selenium on nutrient uptake of wild vegetable Nasturtium officinale. The total nitrogen (N), total phosphorus (P) and total potassium (K) contents in stems, leaves and shoots of N. officinale were determined. With the...

As human demands increase, marine resources have attracted much attention to achieve the rational exploitation and take advantage of the resources. Simultaneously, the changing seabed environment restricts the power supply of seabed facilities. The existing contact wet plug-in technology has problems...

Hospital information system(HIS) has been considered as one of the most important branch of the Medical Informatics by international academia community, with the essence of integrating all the hospital departments into a large information network to make the make the whole hospital system run better....

The problem of the balance of the rectangular thin plate with two adjacent edges fixed the other two adjacent edges free under the uniform load is solved by using the minimum potential energy of mixed variables. The solution process is clear, and the deflection surface equation is given. Through the...

The quantitative research on the key factors affecting the development of science and technology talent. Based on grey correlation theory, the study analyze the factors that influences the sustainable development of science and technology talent in Tibet, and it discussed the various factors associated...

Aiming at the problem that in the mobile Internet platform, the traffic load (that is, the time the task participant costs when arriving at the task execution site) has a great impact on load balancing of task participant and execution efficiency of task in the workflow system, this paper proposes a...

Recently, various optical networks have been proposed for chip-scale communication on large-scale many-core chips, including optical burst-switching (OBS). The overall throughput of OBS network is dually constrained by congestion and loss in both the data-plane (i.e., burst contention) and the control-plane...

With the upgrade and transformation of our industry, CCFL Cold Cathode Fluorescent Lamp)is widely used. It features high brightness, high efficiency and low power consumption; can rapid start at low temperature; control color temperature accurately; small in size and light in weight; tolerate high vibration;...

The early age water loss of cement based materials can cause plastic shrinkage cracking and crusting and peeling which will damage the application property and durability of concrete. Through emulsion system of small molecule super amphiphilic compound, stable and compact monomolecular film evaporation...

The simulation of thickness control of different thickness galvanized steel sheet was researched in this paper the simulation method featured by making use of bilateral calculation model to research Gas-jet wiping pressure of air knife. Regularity of the effect of steel strip and baffle gap on the thickness...

Food production as the basis for agricultural development, forecasting and analysis of the problem of food production is necessary. In this paper, 2004-2013 years, the national food production and related indicators of food production factors, namely as dependent and independent variables studied, to...

The difference between traditional classroom and flipped classroom was analyzed in view of the characteristics of micro-learning video. Graphics and Image Processing was selected as the course to be studied. The way to design micro-learning videos specific to key and difficult points in teaching during...

In order to meet the needs of second-hand car value assessment, the used car value assessment system has been designed based on the improved replacement cost method. The system includes system management module, used car parameter management module, used car evaluation management module and evaluation...

This paper research on sensorless control of brushless dc motor control for electric bicycle. Based on the work requirements of electric bicycles, this paper introduces some method to improve the start of the motor and the detection of the motor’s rotor position, expand the speed range of electric bicycle...

The paper is aimed at the phenomenon of red clay subgrade disease,taking the subgrade filling from the Yuqing-Kaili Expressway as the research object,the soil mechanics as the theoretical foundation,the testing technology of geotechnical engineering as the method resrearched the change regulation of...

The Weibo spammers are employed in latent network public relations or marketing companies, whose job is to achieve publicity or vilify the effect by means of organizing and planning the focus of speculation to a topic or person. In order to reduce the bad influence caused by them, this paper intends...

Aiming at the collision problem of RFID tag communication，we proposed a new method for identifying the RFID recognition of the blind separation of source signals, which is based on the label collision and recovery. In the case that the number of tags is more than that of the reader,we established a...

To binocular vision light pen measuring system, calibrating the camera fast and accurate, can improve the practicality of the system application. In the establishment of ideal camera imaging model, considering the lens radial distortion and tangential distortion factors, studies the practical imaging...

Based on the analysis on the content and spatio-temporal distribution of Zn in surface waters in Jiaozhou Bay in 1983, this paper assessed the pollution level, pollution source and source strength of Zn, and to assess the impacts from human activities and sea water pollutant background in the early stage...

In order to study the influence of the nozzle parameters of the rotating jet agitator on the mixing effects, the CFD software is used to simulate the flow field of the bidirectional nozzle of a rotating jet agitator in large crude oil tanks.The mass flow, turbulent kinetic energy and flow velocity are...

This WPVC (Wind PhotoVoltaic Complementary) electric power generation for household miniature modular facility, will essentially the WPVC miniature electric power generation facility /energy storage facility /converter facility/ control facility etc and load facility , that combination formation a number...

Data fusion of traffic parameters such as speed and density is a crucial study in intelligent transportation system, yet complicated to formulate mathematically. The aim of this paper is to study and model the multi-source fusion traffic flow data. Based on the data detected in a mega-city, the regression...

We design a new type of composite precipitator model which is an organic combination of the mechanism of the Electrostatic precipitator of Tubular Electrostatic Precipitator, the Centrifugal dedusting of Cyclone type ESP, and cleaning water film. We use the outer cylinder of cyclone precipitator as the...

Now, electric grid enterprises play an irreplaceable role in the rapid development of informationization. Mobile Agent technology, as a new part of the electric grid, improves the network management and use ratio of information. At present, share of information is needed in many industries and administrative...

This paper presents the working principle of CCHP system, and establishes the static mathematical models of Gas engine, LiBr absorption chiller, Gas boiler and Centrifugal water chiller. In this paper, it establishes optimization mathematical model that makes minimum annual total costs as optimize targets...

A Rational curve r(t) can pass through interpolation points (m+1) by a polynomial of degree m or under some circumstances, and the same is true when rational curve is restricted or the function values of r(t) are replaced by derivatives . The paper will show in these cases a rational curve r(t) of degree...

The purpose of the research is using fuzzy comprehensive evaluation rule of fuzzy optimization method to assess the weights of the product indicators and then improve the product design according to the optimization results. First, we selected an appropriate fuzzy optimization method and established...

Computer communication network is widely used in all walks of life, which greatly facilitates people's work and life. However, at the same time, the security of the computer communication network also brings many negative effects to people. This paper discusses the common problems of computer communication...

After entering the twentieth century, environmental pollution and energy crisis is getting worse, the development and utilization of new energy sources in the future had already become an important measure of China's energy use and development. Wind power as a new form of electrical energy directly affect...

In the robot soccer competition whether able to accurately predict the ball’s status direct impact on the completeness of the robot’s motion, also determining the result of the game. In this paper, we have using the Kalman Filter to optimize the status data collected by the system, eliminate the noises...

Virtual machine scheduling is the process of selecting the most suitable server in cloud data centers to deploy newly created VMs. The optimal placement is important for improving resource utilization and reducing resource wastage in a cloud computing environment. In this article, we propose an Self-Adaptive...

This paper studies the general steps and methods of the image matching technology. Using a set of optimized Harris corner detection algorithm, a similar measure extracting feature points by the maximum correlation coefficient to achieve accurate matching. Finally, the weighted smoothing is performed...

Under the current situation in which modern information technology is developing rapidly, ERP system that can improve the efficiency and benefits of the enterprise management has been widely used. ERP system creates good conditions for the internal financial control of the enterprise, but also brings...

The construction of city brand and tourism brand image is an important proposition affecting the development of a city. The corresponding research and practice have been widely carried out in the domestic tourist cities. As the economic, political and cultural center among the three northeastern provinces,...

Objective: To register, classify, evaluate and monitor occupational exposure of the medical staff timely and accurately, improve the efficiency of the occupational exposure declaration and monitoring, so as to minimize the incidence and injury of occupational exposure and guarantee the safety and occupational...

With the advent of the big data era, as a resource to promote the development of economic and social, information has been more and more get people's attention, now has become a very important commodity. In electric power industry, different categories of information service can bring different benefit...

Knot is the commonest surface defect, which has the greatest impact on lumber. A image processing method was designed using Matlab image processing toolbox in this paper, which combined with mathematical morphology theory. Based on plenty of experiments, two turning coordinate points of piecewise linear...

In this paper, the problem of passivity of discrete-time neural networks with leakage and time-varying delays is investigated. By constructing a novel Lyapunov-Krasovskii functional and reciprocally convex method, some sufficient passivity conditions are obtained in the forms of linear matrix inequalities....

Slope monitoring is an essential component of Opencast mining operations for workmen’s safety and uninterrupted production. Slope failure incidents in the recent past remind the crucial significance of implementing effective slope monitoring protocols. Continuous increase in demand for mineral production...

Industrial metrology systems for inspection and quality control are the key issues to ensure the high quality and consistency of metrology. However, the traditional metrology system contents multiple subsystem which separated by different functions and is hard to organized as a work flow in practice....

Sensitivity analysis as an alternative approach can take structural parameters as variable and achieve the relationship only with one time analysis. The study on frequency sensitivity of a transmission tower is actively carried out in this study. The three dimensional analytical model of a transmission...

In the field of automobile design, evaluation on the comprehensive performance of using analytic hierarchy process for quantitative processing, analysis and research according to several SUV with about 200000 of automobile power, fuel consumption, safety, price and humanization design, make the evaluation...

Dye sensitizer is an important factor to the performance of dye sensitized solar cell (DSSC). This article simply reviews the development of dye-sensitized solar cells and the disadvantages of it at present, analyzes the advantages and disadvantages and its potential development of the natural dyes as...

Rayleigh wave is a secondary wave characterized by low frequency and strong energy,propagating mainly along the interface of medium and rapid attenuation of energy with increase in interface distance.The same as reflected wave and refracted wave,Rayleigh wave also contain subsurface geological information....

With the advent of the era of low oil prices, we have to consider whether the decline in oil prices to affect those which were based on high oil prices and continued to carry out the new technology innovation analysis and research will produce conflict, which eventually led to part of the advantages...

Airport security generally have 3 (the paper is divided into A, B, C) security entrance. Since the function of each channel varies from person to person, the time each person spent is not the same. Using traditional data analysis will be a huge project, however, using the cellular automata model is possible...

The larger power transformers are greatly affected by the DC magnetic biasing phenomenon, which may cause the local overheating and threaten the safe operation of the power transformer. We aimed at studying the temperature distribution and temperature rise in the power transformer under DC magnetic biasing...

Based on determination of the contents of soil nutrients elements and heavy metals for the four tin mine tailings (Niubahuang, Laochang, Kafang and Southern) in Gejiu, the heavy metal pollution of four tin mine tailings were assessed with the single contamination index method, the comprehensive contamination...

The rapid development of social media services has facilitated the communication of opinions through online news, blogs, post bar, microblogs/tweets, and so forth. This article concentrates on the mining of emotions evoked by newmaterials. Compared to the classical sentiment analysis by using the word-emotion...

The classical histogram equalization algorithm is not perfect in its over extending low gray layers, which produces over emphasized images and in its weakness in changing gray level, which leads to the lost of details in image. For enhancing the algorithm, the paper introduces an adaptive equalization...

In the increasingly serious environmental and energy issues today, the city expand a new idea in the development of models . But it still faces many common problems, such as industry, high pollution, high energy capacity control. Therefore, For continuing to promote its low-carbon economy,the introduction...

In order to solve the real-time information of the Web server push and relieve the push server access pressure in high traffic and resource consumption. The method by time control and connection control, connection buffer control, can reduce the pressure and resource consumption of the entrance of the...

With rapid development and extensive application of computer technology, Mandarin level test also grows rapidly and changes from the traditional manual test to computer-assisted test. Now, all the colleges carry out the Mandarin level test through the computer and have achieved good results. However,...

Flexural fatigue behavior of a cross-ply laminated carbon/carbon composite had been studied. The results showed that fatigue behavior and residual strengths of the composite had a close relationship with the maximum applied stress level applied in the fatigue test. In the case of the stress level higher...

Wireless Power Transfer (WPT) technology has attracted widespread attention in recent years and has shown great potential in the fields of smart homes, electric vehicle charging, medical implant devices, and underwater equipment energy supply. Compared with traditional wired transmission methods, wireless...

With the rapid growth of economy and population in coastal areas, floating waste has gradually become a new environmental issue. So floating junk clean-up work is exigent to be solved. Floating garbage mainly consists of floating solid waste and leakage of oil. Aiming at floating rubbish disposal, we...

The rapid development of the Internet makes distributed computing has become a mainstream application, network openness, connectivity, shared characteristics, so that the risk of suffering from the growing network intrusions. How to ensure the network and information security has become very important...

Hosted by the International Robot Alliance, the international water robot contest has held the 8th so far. There are big changes in rules in the synchronized swimming events of the URWPGSim2D simulation platform, the original rule changes from no restrictions by the performance content to rule with standard...

The design of radar signal analysis was presented in this paper, adopt the method of cable collection, wireless transmission, realize the radar signal test online. established the database of test nodes, board card, Subsystem combination, the fault relationship, structure, circuit diagram, maintenance...

In this study, we tried to synthesize super insulation and hydrophobic silica aerogel doped with mullite fibers (10wt %), by using cost effective processing from sodium silicate. Before dried under ambient pressure, the surfaces of the gels were modified using trimethylchlorosilane (TMCS) via one-step...

Multipath effection seriously affect the low elevation Angle estimation in MIMO radar,This paper Establish the multipath signal model , and put forward a kind of secondary general MUSIC algorithm based on unitary transformation (DU-G_MUSIC). First Based on general MUSIC algorithm, a joint estimation...

Pipeline transportation plays a vital role in the transportation of oil and gas. The safety monitoring of pipeline transportation is essential in pipeline operation. Distributed optical fiber sensing technology has more advantages than other conventional pipeline security monitoring method. The ability...

The underground oil storage cavern has the advantages of safety, large storage capacity and economical. It is widely used in the national strategic petroleum reserve and various commercial storage. In order to solve the problem of crude oil sludge deposition, this paper based on the principle of jet...

This paper designs a sea surface drifting buoy system based on Beidou communication system, it employs a low power consumption chip, STM32F103RCT6, as the core of the control system which can collect and process the data of the ocean environment automatically and monitor the status of the buoy system,...

In this paper we select a set of parameters to analyst the warming and cooling progress of the water in the bathtub and view the moment of adding hot water as the main standard for our evaluation. Based on Law of conservation of energy and Newton's law of cooling, the temperature model was established....

Serial port is an ancient hardware port but difficult to be replaced. There are still many special devices in the use of it. However, In the Microsoft Windows, the serial port programming is becoming increasingly difficult. This article not only describes the Serial-Socket Bridge software structure of...

The long-term high-pressure consolidation test, of which the maximum consolidation pressure is 6 MPa and the longest consolidation duration is 34 months, is selected to simulate the deformation characteristics of the main compression soil layer (depth of 100 ~ 300 m) based on the study of the deep foundation...

A novel series-structure power transmission system connected by LCC-HVDC (line commuted converter based High Voltage Direct Current) and VSC-HVDC (voltage sourced converter based High Voltage Direct Current) is studied. The coordinate supplementary control of LCC-HVDC and VSC-HVDC is proposed to deal...

The high cost of the reliability test for water-entry process of air-launched vehicle prompts the numerical simulation method which has become a mainstream in the process of equipment development. In this paper, the author integrated the simulation results of vehicle failure mechanism with the calculation...

Rock anchor foundation is an economy and advanced foundation form which is especially applica-ble for wind tower construction in mountain area. Installation of expansion anchor head at the bot-tom of full length grouted rock anchors can serve to reduce the anchorage length and increase pullout resistance...

In order to realize the growth of ZnO/CdS nanorod with high quality, ZnO nanorods were firstly fabricated on glass substrates,and then the synthesis of ZnO/ZnS and ZnO/CdS heterostructures were realized by a chemical conversion method.the field-emission scanning electron microscopy (SEM), X-ray diffraction...

This paper studies the carbon fiber structure, physical properties, chemical properties as well as classification of the carbon fibers and the application of carbon fiber, through appropriate material selection (the merits of the material), a large number of experiments (of manufacturing a heating element)...

In distribution automation systems, transformer terminal unit (TTU) which, as a basic unit was distribution measurement and control equipment and was installed in branched distribution box of power basement and communicated with power main station through the communication network. Its performance determined...

The curriculum design of electronic technology (CDET) is one of the most important practice links at Chinese engineering colleges. It is critical to deepen understanding of the application of the premise courses (such as Analog Electronic Technology and Digital Electronic Technology) , and at the same...

Grey correlation model is employed to analyze sensitivities of influencing factors for landslide stability in this paper. This model regards sensitive factors of the landslide stability as compare sequences, the corresponding landslide stability coefficients as reference sequences, makes the basic data...

Attribute reduction is important to the mining of product configuration rules, the accuracy of attribute reduction will directly affect the subsequent mining of configuration rules.In this paper,the non-positive region in incompatible configuration decisions table is analyzed.A new attribute reduction...

The shaft power curve of low specific-speed centrifugal pump is a steep rise with the increase of flow rate. The blockage of the impeller channel can reduce effectively the shaft power of low specific-speed centrifugal pump, and achieve pump's non-overload characteristics. In this paper, the flow channel...

In view of the problems of poor equipment mobility and limited transmission distance when the existing hospital medical equipments transmits data to the hospital information system through wired connection, a type of wireless communicating and sensing module for medical equipments was designed, which...

In order to avoid unauthorized payment of various stolen NFC terminal and to ensure convenient payment process, NFC Secure Payment System Based On Fingerprint Identification is designed, the fingerprint image collection module and the NFC reader are connected on the system server the system software...

This paper studies the control system of self-excavated excavator, which is based on the working device of the small type loader. Firstly, the kinematics model of the working device is established by D-H method, so that the trajectory planning of the vehicle speed, boom oil cylinder and bucket oil cylinder...

The limb width and the limb thickness of the large size angle steel are very great, section area is more greater than that of the angle steel in the conventional power transmission tower, which can greatly improve bearing force of the single member. It is considered feasible after analysis that the 300mm...

Trichloroacetic acid (TCA) was used as a protein precipitation in the pretreatment process. The content of TCA in the sample was optimized. Lateral flow immunoassay (LFIA) based on superparamagnetic nanoparticle (SPMNP) probe for TTX detection was employed as a detection method. This article is intended...

The paper analyzed the side header in soccer using kinetics The finding indicated that (1) when header, the involved segments deserve keep closer to the notary axis in compliance with the moment of momentum, in this way the players can finish the header better; and (2) during side header with both feet...

Cone-shaped tubular anode substrates were prepared successfully by phase inversion technique. The effect of several kinds of organic additives on the microstructure development of NiO-YSZ anode support has been investigated. The scanning electron microscopy (SEM) results of NiO-YSZ anode supports show...

Different structure types of buildings have different structural characteristics and seismic performance. Earthquake disaster investigation and damage analysis results of different types of buildings can reflect the existing problems of China's urban residential buildings in the seismic structure design...

This paper introduces a kind of hook which can be opened under the loading. The mechanical structure and working principle of the hook is elaborated. In addition to the advantages of the hook which can be opened under the loading condition to release the weight, the hook can be controlled in the remote...

According to the problem that the facial expression recognition algorithm is easy to be affected by the error of the feature detection, this paper proposes a new algorithm based on Finite Automata Machine and realize the complete facial expression recognition system. The implementation steps include...

A new method for live line measurement of zero-sequence parameters of T-type transmission lines with mutual inductance is proposed. Firstly the T-type lines and multi-branch lines are equivalent to parallel transmission lines with mutual inductance, and then the live line measurement for parameters of...

The rapid development of the market economy promote the development of China's power grid career in recent years, the smart grid construction has gradually become an important power grid construction in content, and received wide attention. In the process of building a smart grid, you need a strong flow...

Ferroresonance over-voltage mechanism of converter transformer bushing tap caused by charging to connection was researched, and PSCAD model was established based on actual parameters of the site for analysis. A method of increasing the damping resistor was proposed to inhibit the ferroresonance, and...

Explosions, oxygen deficit fatigue, hazardous chemical exposure, radiation, and extreme heat are all very real health hazards in underground mining owing to the confined environment. Deep mine high-temperature heat is one of the most important hazards in coal mining, therefore predicting deep mine underground...

Due to the heterogeneity and the nature of distributed control, the existing electric power data communication network based on Synchronous Digital Hierarchy (SDH) has been unable to meet the requirements of dynamic resource allocation and fine-grained traffic monitoring. The OpenFlow-based Software...

In the study ,the coordination of GFRP rebar and concrete working performance are studied from two aspects of theory and experiment. By Making 9 groups of GFRP - concrete standard drawing specimen standard drawing and three groups of reinforced concrete specimen ,Getting the damage characteristics of...

Nine combinations of Cd2+ (0,2.5,5mg•L-1) and microbial flocculant (0,10,20mL•L-1) were set, and the hydroponics was adopted in this experiment to explore the effect of microbial flocculant on the rice growth and Cd accumulation under Cd stress, and chlorophyll content, net photosynthetic rate, plant...

In this paper, a new method of weight determination and fuzzy mathematics is introduced, and the characteristics of risk factors of project bidding quotation are introduced, and a quantitative method for the risk analysis of bidding quotation is put forward.

Machining accuracy verification is an important method in virtual manufacturing to determine if desired machining accuracy can be achieved before actual machining. A machining accuracy verification method is proposed in this paper. The design part model in STereo Lithography(STL) format is imported and...

Smile recognition has recently attracted significant attention due to the increasing accessibility in some digital products. Traditionally, the mouth feature has been extracted for smile recognition. However, it only extracts the features in the mouth region, ignoring the fact that face feature contribute...