Advances in Engineering Research

In this paper, the mathematical modeling of the country race in 2014 title A - Chang E III aircraft lunar soft landing problem for background, determined the location of nearly Apo lune, and solved various stages of parameters to obtain a series of reasonable conclusions. First, the use of two-point...

City planning is a subject to deal with the city and the engineering construction, economy, society, land using layout of its nearby areas. Besides, it is to predict the future development. City planning can disclose the developmental overview and regularity of a city to some extend, which is a blueprint...

Bidirectional reflection distribution function (BRDF) is broadly used in many fields, such as physics, remote sensing, computer graphics and scattering in optical band and microwave band. The BRDF measurement instrument used to obtain raw measurement data is presented firstly. The BRDF data of two typical...

Currently, forecasting stock price is the hotter topic for achieving the smallest lost in investment. However, the previous stock price forecasting model practically cannot satisfy the requirement of accuracy. To raise the forecast accuracy, a decomposition-forecast- synthesis (DFS) model is proposed...

Under the Web 2.0 environment, to break isolation between sites and share information is the development trend of network media as well as the objective needs of netizens. Some network operators have researched on this, however, the four traditional communication programs, server agent, dynamic creation...

A method on the remote precise positioning based on the GPS technology for transmission line inspection robot of is proposed. The functional requirement and construction of remote monitoring system, which monitors and controls the inspection robot walking and crossing various obstacles with wireless...

Information theory and cybernetics pertain to science and technology, but it's theory principle has the role of guiding allocating the enterprise resource at the macro level. From a practical perspective, the assets structure could be regarded as an information system, through the collection, storage...

Since the reform and opening up, especially the 21st century, with China's rapid economic development, the logistics industry has become a sunrise industry in national economy, but also a new economic growth point. At present, Chinese governments at all levels and many companies regard the logistics...

The growing demand for energy to promote the research in the field of power transformation, in order to improve the efficiency of the power converter further, many different circuit topologies and control strategies were proposed. In this paper, one of improved topologies is proposed which called T-source...

In order to study the fire extinguishing performance of fixed water-mist fire extinguishing system in railway tunnel rescue station, a water-mist fire extinguishing system is arranged in the tunnel model with length of 30 m × width 6 m × high 6 m. According to the actual railway tunnel top of the laying...

This paper deals with the Dirichlet problem of a superlinear biharmonic equation with Hardy-Sobolev potential, where the nonlinearity is odd. By Fountain theorem with Cerami condition and Sobolev-Hardy inequality, we get the existence of nontrivial solutions for the problem.

Circular economy enterprise alliance is an effective way for enterprises to achieve recycling economy development model, and is of great significance to the development of the national economy as a whole. This paper aims to explore how to improve the operational efficiency of the enterprise alliance...

A pot experiment was carried out to study effects of different selenium concentrations (0, 5, 10, 25, 50, 75, 100 mg/kg) on the photosynthetic pigment content in Solanum alatum. The results showed that all concentrations of selenium inhibited the chlorophyll a, chlorophyll b and carotenoid contents in...

In order to improve the automation of industrial production and production efficiency. This paper presented a system with the S7-200 as the core. The system adopted the method of sequence control. The S7-200 mainly controlled the step motor, dc motor, servo motor, Through the control could realize manipulator...

Along with German industry 4.0 and China makes 2025 wait planned implementation, Internet+, the thing unites a net, intelligence factory, the rise of the unmanned factory, being in conjunction with of various industrial robotses homework is foundation.Previously enter to make realm, intelligence's making...

Teaching aids plays a very important role in the classroom teaching. Interesting mechanical demonstration combined teaching is designed in this paper is the two Teaching aid to mechanics principle as the foundation and cleverly integrated into the fun. With the boat shaped Teaching aid demonstration...

Nowadays large numbers of multiaxial UAVs are applied in the civilian field. The security of operating UAV has been upped to new levels. It has now become urgent to solve the problems of training high-quality UAV operators and effectively evaluating their training results. The article attempts to introduce...

Reverse engineering is an important way to transmit information in modern manufacture technology. Reverse engineering technology widely applied in the automobile and aviation industry. Surface reconstruction of scattered point-cloud is a key part in the operation process of reverse engineering. Firstly,...

With the current development of information technology in sports training in computer-aided training has become increasingly common to achieve a sports training video feedback analysis system, through pattern recognition, image processing, video analysis and other modern computer technology information...

Cucumber, a common economic crop, occupies a large proportion of vegetable cultivation in China. Plant diseases and insect pests, especially the cucumber downy mildew, are important causes for the decrease in the yield of cucumbers. In order to reduce the losses caused by pests and diseases and achieve...

Because of its own characteristics and the complexities of driving conditions, Tractor-Semitrailer easily produce shimmy when driving at the high speed. In order to effectively control the high-speed shimmy of Tractor-Semitrailer, differential braking control strategy based on sliding mode variable structure...

In the 21st Century, as women’s pursuit for beauty is constantly increasing accompanied by the rise of e-commerce, Jumei quickly stands out and presents itself in front of women after it was founded in 2010. Jumei, the first time-limited cosmetic sales website in China, has had over 80% shares of the...

The rotor system is an important part of the aircraft engine, its running state directly influences the whole engine working condition. Therefore, the reliability analysis of rotor system is particularly important. Paper combines the vibration characteristics of the equipment operation condition with...

This thesis proposes a minimum distance diagram of undirected double-loop, which makes use of the cyclic graph's excellent properties on the node number and path length to achieve high performance. Main issues include the method to build the minimum distance diagram of undirected double-loop networks,...

With the constant development and application of computer information technology, especially in the field of computer application technology development, people’s dynamics research, modeling and calculation on complex mechanical system are becoming more and more common and feasible. Based on the simulation...

To study the influence of gas pressure to coal failure process and crack evolution, using coal solid-gas coupled mechanics testing system, conducted the raw coal uniaxial compression failure experiment under different gas pressure; the evolution process of surface micro-cracks was synchronously observed...

L1-L2 hybrid noise model (HNM) method is proposed in this paper for image/video super-resolution. This method has the advantages of both L1 norm minimization (i.e. edge preservation) and L2 norm minimization (i.e. smoothing characterization). In view of noise distribution changing and selecting L1 norm...

The structure of mechanical and control system for power transmission line inspection robot was introduced. Then a new control method and its real-time implementation based on expert system were presented. A rule-based expert system for distributed coordination algorithm was proposed. By using CLIPS...

In order to study the effects of grape seedlings intercropping with hyperaccumulators on five forms of cadmium in soil, a pot experiment was conducted to to study the effects of grape seedlings intercropping with Galinsoga parviflora, Siegesbeckia orientalis, Solanum nigrum and Crassocephalum crepidioides,...

In this paper, we analyze the problem of many data processing in psychological-detection, then, we deal with the problem based on Fuzzy Clustering, Fuzzy Clustering can use less variable to replace previous variable while the quantity of information is invariant, so, we can eliminate redundancy of information....

With the rapid development of the railway passenger train in China, the safety of train operation has become the focus of attention. The railway passenger train due to narrow and limited space, more combustibles within the compartment and the passengers are highly concentrated, in the event of a fire...

Along with the development of intelligent electric grid,the access of communication service bring a new challenge to the distribution network communication system, so an integrated communication system is necessary to support channel segregation for carrying a variety of service. In this paper, the PTN...

The paper discusses on the industrial engineering technology for weapon equipment's maintainability design, including maintenance standardization flow design based on process analysis, the maintenance operation design based on motion analysis, maintainability index verification based on ergonomics, equipment...

Research solution of emergency management is also in its infancy, for these situations, theoretical results is not perfect, practice mainly rely on subjective decision-making, the efficiency of emergency management is low, emergency response are ineffective, this paper is the research solution of emergency...

By means of mechanic analysis, the contact stress analysis along the axial direction of the tapered interference fit was conducted, and it was compared with the FEM analysis of 3 modes of different load, namely, displacement load, pressure load, and offset load. Results shows that: the position of maximum...

Along with our country education reform, University Chinese College English teachinghas also undergone changes and the corresponding development, and achieved certain results.University English teaching to cultivate students' comprehensive ability of using English and the ability of autonomous learning, challenges to...

Aiming at the problem that the large flutter of mobile platform makes the camera screen blur, a compound image stabilization system was designed which includes mechanical and electronic image stabilization. In this system, the mechanical part is used to compensate the deflection, which can maintain the...

International trade is a high-risk industry, in every aspect of business, there are risks. Credit risk has been highlighted, foreign trade enterprises to bring a lot of interference and confusion, and its further rapid development had hampered. Credit risk is the modern economies, including the main...

The internal cycloidal gear pump is one kind of oil pump, which consists of pump body, pump cover and rotors. It is widely used in the range of vehicles. A gerotor pump has various advantages such as compact size lower noise, less emissions and little pressure ripples for circulation of the fluid. In...

A pot experiment was carried out to study effects of mulching with four hyperaccumulator (Solanum photeinocarpum, Tagetes erecta, Galinsoga parviflora and Bidens pilosa) straws on the total phosphorus and total potassium content in all parts of Cyphomandra betacea seedlings under cadmium stress. The...

The economic analysis model is structured by calculating the price to get break-even points of all programs; Second, considering energy consumption and emissions of each kind of technology, the emission reduction calculation model and energy efficiency analysis model are established; Finally, the empirical...

In the whole structure framework of high-speed EMU, brake control system is a key part and stands in the core position. Brake control system’s normal and stable work directly relates to EMU’ safe and reliable operation condition, therefore, the strengthening of monitoring state and fault diagnosis level...

This paper presented a new carbon-free car design, and analyzed its motion. We established a physical model and established differential equations based on kinematic equations. We used the Mat lab software to depict the trajectory of the car. The results showed that the new structure can better optimize...

In order to ensure the safety of electric power monitoring system and communication network, PTN (Packet Transport Network, Packet transmission Network) technology is introduced to meet the new needs of electric power communication Network. In this paper, the current situation of Henan electric power...

Android mobile terminal devices for security and sensitive data leaks and other problems, the design based on the Android mobile terminal security management platform, for the user carry on the security management for mobile terminal equipment and storage of data. Design platform to Android architecture...

As an indispensable part in financial industry, stock investment has gradually become more and more important in people's life. The major fluctuation in stock market directly affects the stability of financial markets and the healthy development of the economy. The successful stock price and trend prediction...

For the different column-to-ground semi-rigid connection coefficients of assembled rack, with common beam pallet rack as research object, the orthogonal experiment was designed, which is composed of 11 groups of connection schemes and 4 kinds of load conditions. In this work, finite element analysis...

The problem of excessive use of pesticide and chemical fertilizer in China has received attention in recent years. Based on statistical data, the comparative analysis of the application rates of fertilizer and pesticide were carried out between China and typical developed countries, to illustrate the...

The goal of Human Library lies in disapproval of violence encouragement of communication and elimination of prejudice The paper tries to study the application of Human Library to the university students’ideological and political education based on the theoretical framework of the connotations and development...

Compared with PDC bit, diamond impregnated bit have advantages in strong abrasive and hard formation according to theoretical research and field pilot experience. But the design and parameter optimization of diamond impregnated bit for different kinds of formations haven’t been done until now, and this...

Fire resistance of tunnel structure is paid more and more attentions in recent years. Lightweight aggregate concrete has low bulk density and good thermal insulation property. This paper is first time to propose the design of lightweight aggregate concrete as fire resistance layer for tunnel. Thermal...

Domestic and foreign research on the stability of seamless track plane frame have relatively mature achievement. And it can able to accurately calculate long rail temperature inside force under the condition of different parameters. But there are a few literature reported about under the condition of...

In the highway design and construction, it is common to calculate the middle pile point coordinates. Application the data calculation, data processing function and function library of Excel software establish worksheet calculation model of route transverse. Then using Excel VBA program achieves automatic...

In this paper, according to analyzing the domestic and foreign recent research status and future developments of open architecture CNC system, an open soft system with configurable architecture based on PC + programmable I/O interface card has been studied. The research is studied for the drawbacks of...

A pot experiment was carried out to study effects of planting Cyphomandra betacea seedlings after mulching with four accumulators (Trifolium repens, Eclipta prostrata, Conyza canadensis and Stellaria media) straws on the content of soil nutrients under cadmium stress. The results showed that all accumulator...

Based on the available theoretical and half empirical methods of gerotor pump design, the optimization of inlet and outlet cavities for an inner engaging ellipse gerotor has been presented. The interior flow inside of the optimized cavities and pump has been observed by using software Pumplinx, and the...

As the development and enhancement of economy and national power, our country has become an important engine of the world economy. “One Belt One Road” is conducive to the sustainable development of China's economy, and also the common needs of the countries along the way. “One Belt One Road” provides...

Rolling schedule plays a decisive role in rolling of strip steel, and has an important effect on capability of rolling mill. The optimize method of hot strip rolling mill is researched, and the capability of rolling mill is improved effectively, so the quality of the product is also improved.

Economical data mining is practical and meaningful. Economic development levels of different regions in China are varied. We use complex network analyzing method to make network graphs and did nodal analysis and community structure detection of these regions to indicate the difference of the economic...

The three-dimensional geometric model of hydraulic retarder is built based on an enterprise production as reference prototype, On CFD platform, based on the three-dimensional entity model of the hydraulic retarder, the internal flow field at full-filling condition is simulated and the braking performance...

In this paper, techniques for chemical accident emergency generating were studied, and the basic framework of plan generating system was established through analysis of the contents of a typical emergency plan. Under this framework, the approaches of generating different parts of a plan were discussed...

In recent years, all kinds of frequent occurrence of unexpected events, damage is very serious, affect the range is very wide. These sudden public events not only cause great loss of life and property, but also affects the social stability, and even endanger the national security, the economic society...

Domain name system are both the underlying business, but also an important part of the Internet infrastructure. Research for this article expand BIND domain name system management problems. First, four domain names, for example, study the structure of multi-level domain name system; Then, based on the...

Based on the given data of As content in the soil ,using Log transformation, the Box-Cox transformation to exclude outlier for preprocessing data to meet the normal distribution.Using Anselin elocal spatial autocorrelation model to carry on local spatial clustering in order to cluster the similar attribute...

Make the composite electrolyte by doping Al2O3 powders ,in the ratios of 1:0.02 and 1:0.04 respectively to the electrolyte masses, into initial powders of the electrolyte-BaZrCeYO made in the method of Pechini. After 10 hours sintered at 1400 , the composite electrolyte was completed , XRD test carried...

A pot experiments were conducted to study the effect of mulching tolerance plant straw on phosphorus and potassium uptakes of Cyphomandra betacea seedlings under cadmium (Cd) stress, four tolerance plants (Digitaria sanguinalis, Clinopodium confine, Plantago asiatica, Ranunculus sieboldii) straw were...

Sic (silicon carbide, Sic), represented by the third generation of semiconductor devices with its superior performance, has obvious advantages on the voltage level, working temperature, switching losses. Then the size, weight, cost of the power electronic conversion may be significantly decreased and...

Because of the shortcomings which Elman neural network in the short-term load forecasting of power system is easy to fall into local minimum, slow convergence, Use VPSO (Variance Particle Swarm Optimization) to train Elman neural network in order to get optimal weights and thresholds. The optimized Elman...

There are different periodic and fixed points under iteration of sum of squares or cubes of digits of positive integer in different positional systems. On the iteration of sum of squares of digits, in binary and quaternary these points all converge to fixed point 1. There are three fixed points and one...

In order to research the Influence of the strength of the filling body on the surface subsidence and deformation, with the 10203 working face of Xinyang Mine as the background, based on the numerical simulation software of FLAC3D, when the filling rate was 90%, the Influence of the strength of the filling...

Research the method of blending Chinese ancient architecture into product design. From two sides of the overall features and characteristics of each part,summarized the artistic characteristics of Chinese ancient architecture. Enumerated examples of the comparison of morphology, structure and hue between...

The rotary hearth furnace iron nugget process has advantages of short reaction time and high quality product. Using semi-coke, bituminous coal, anthracite, charcoal and coke as raw material, effects of reducing agent species on reduction and melting separation of carbon composite pellets were studied....

Effect of observation Fusen herbal tea in normal mice methods.: given to mice for 17 days, daily 2 times respectively in drinking high dose Fusen herbal tea, small dose Fusen herbal tea, Wanglaoji large dose of herbal tea, small dose of Wanglaoji herbal tea, herbal tea replace normal mice drinking water;...

For geometrical tolerance projects, some tolerance projects relate to other geometrical tolerances, namely a individual geometrical tolerance can control several other geometrical tolerances. If we can not accurately judge the related geometrical tolerance which can be natural controlled by a certain...

China's trade policy and China logistics policy changes, the rapid development of aviation logistics in china. Aviation logistics developing in a high speed, China's domestic aviation logistics enterprise has brought new market development opportunity while, also brought from the market environment changing,...

According to the monitoring data of content of 8 main heavy metal elements in a certain urban area, this paper conducts a modeling study on heavy mental pollution of superficial soil in cities. According to single-factor concentration evaluation standard and comprehensive evaluation standard (Nemerow...

In tissue regenerative cell therapy is an important limitation is the initial hypoxia. In order to increase growth and cell survival after implantation of our oxygen release material were tested. Calcium peroxide polymer matrix used as the oxygen source. Two polymers to slow and prolonged release oxygen,...

A pot experiment was conducted to study the effects of different concentrations of selenium (Se) on photosynthetic pigment content of Perilla frutescens. The results showed that Se treatment had significant effect on contents of chlorophyll a, chlorophyll b, carotenoid and total chlorophyll. With Se...

Glass materials are widely used in building, which can improve the lighting condition of the building, but often have some problems in actual use. To solve the problem of increasing heat and energy consumption, an energy saving film is gained in this paper based on optical thin film theory and optimization...

In order to improve the benefits of the mobile cloud computing network and the quality of the security service of the mobile cloud computing, this paper aims to make a design of the control framework of the cloud computing resources of the cloud computing security service among its service domains, and...

Telecom user behavior analysis, is that in the case of gaining the basic consumption data of the users to disposal, count, and analyze the relevant data, and discover the law of the users consumption from it, and combine these laws with the telecom marketing strategies to find the problems in the current...

Brought about rapid development of the power grid technical innovation, infrastructure and new equipment put into operation significantly increase the workload, frequent changes in network operation mode, non-normal operation mode, special operation mode is difficult to avoid, to the security and stability...

Phase unwrapping is a key step of interference synthetic aperture radar (InSAR) signal processing, while the existence of some factors such as the noises and the lack of data sampling makes this process extremely difficult. The least square method is the fastest way to unwrap, and there is no region...

A 3D meso-mechanical model is introduced herein to estimate the elastic properties of concrete materials on the basis of the assumption that concrete can be considered as a three-phase material which contains cement mortar, aggregates and interfacial transition zone (ITZ). The influences of aggregate...

Abstract. The password technology is one of the core technology of information security problem. The purpose of the key management is the key of the production, storage, distribution, update, control and destroyed in the process of the whole life cycle to ensure the safety of the key. Key management...

In the 1980s, the speed to run industry to enter China, China Express enterprises increased rapidly expanding business scope. But in the course of the rapid development of a number of courier companies, small scale of operation of enterprises Express business qualification, the poor level of service...

The purpose of this paper is to identify the core technologies in metro field by analyzing the overall structure of technologies and interactions among of them, which is beneficial to grasp technological trend and advance of metro field in China. For this study, the metro patent data were collected (1986-2015)...

The chemically recuperated gas turbine (CRGT) is a promising engine on ship because of its high thermal efficiency and low pollutant emission. This paper is aimed at determining an applicable configuration of the CRGT for marine applications. Diesel is the selected fuel, and the minimization of Gibbs...

The research of magnet-track relationship is the foundation and key point in maglev system dynamics. Due to the ups and downs, traverse, yaw, pitch and roll of the suspension electromagnet will certainly happen when maglev train moves, so establish three-dimensional numerical model and calculate the...

The optimum design of a novel full air cooling UV-curing oven is proposed, to overcome the disadvantage of traditional drying ovens on the high energy consumption and inefficiency, at al. The optimum curing oven is simulated and analyzed by Fluent applied to the CFD technology. Comparison between the...

A study was about the surface soil enzyme activity and N indicators Variation characteristics of Phyllostachys bambusoides forma shouzhu Yi forest in Liangping, Chongqing Municipality in spring and summer. The results showed that, the forest soil content of organic matter(OM), total nitrogen(TN), available...

In this paper, an evaluation index system is developed for the intensive use of rural residential land from the aspects of land use intensity, input-intensity, arrangement, as well as usage efficiency. Using the entropy method, on which the intensive use level of rural residential land in Suining County...

In order to solve the job shop scheduling problem which includes disordered material flow and lopsided load of equipment, the thesis has done some research on how to apply in genetic algorithm on hybrid flow-shop scheduling problem. And the thesis also has illustrated the method of realization from a...

In this paper, Dynamic response and energy harvesting potential of single piezoelectric flag in the uniform flow is analyzed through 2D simulation method. A piezoelectric material named Polyvinylidene Fluoride (PVDF) is used to manufacture the piezoelectric flag. Special example is introduced to analyze...

The article deals with the stress-strain state of layered composite of rectangular section under tension by distributed uniform normal load q. Interaction between layers is accomplished by the contact layer in which is mixed the substances of adhesive and the substrate.

Land as the carrying capacity of human activities, the influence of carbon emissions different way of land use contributed to is different. Thus, the paper taking Changchun City in China as an example, estimates the net land use carbon emissions from 2001 to 2013 and explores the measuring method.

To obtain high-quality output voltage, a multi-loop control for UPS inverter is proposed. On the basis of double closed-loop control, repetitive control is introduced to improve total harmonic distortion (THD) of the output voltage. Also, RMS control is introduced to increase steady-state accuracy of...

Aimed at the contradiction between personalized recommendation and privacy protection, this paper puts forward the basic idea of persona, a digitalized user model. The method uses browser to analyze user's access behavior, gets a comprehensive and accurate user model, so as to help realize the personalized...

Case base construction is of great significance for the promotion of case teaching. But at present there is no successful geosciences case library can be used as reference. So the construction and development of geosciences case library has significance to fill the gap. This article is about design and...

This paper is the analysis of electronic commerce development process, the logistics cost composition and characteristics, and the content of our country sheds cost and how characteristic. To our country electronic commerce development environment, the factors which influence the logistics cost. Through...