Advances in Engineering Research

The degree of satisfaction of the customers lies largely in two major factors: the average time of waiting a cab and the total cost of boarding a cab. We create a basic model which has two parts: to calculate the total number of the cabs that can limit the average waiting time, and to optimize the prices...

Based on the data of the rainfall from 24 base stations on the area of Chao River Basin in the near 54 years(range from 1958 to 2012) , the estimation is carried out by using Arcgis kriging interpolation and BP algorithms. And try to do the error analysis and the consequences comparing of these two results...

The VCSEL light transmission module, whose array was 12 spacing 250 m laser launcher, combine 12 array waveguide belts and the receive module to form the parallel optical interconnection. For achieving an efficient optical interconnection, how to make the light coupling pass in/out waveguide has become...

Different temperature and time parameters were adopted in the stress relieving annealing processes of 5B70 and 5A06 aluminum alloys. Then, the mechanical properties and the variation regularity of residual stress of 5B70 and 5A06 aluminum alloys before and after stress relieving annealing were studied....

Concrete pile technology is a new technology to improve people's living environment by extracting underground potential of pile foundation. This kind of technology requires good heat transfer effect and invariable mechanical performance of concrete pile. The heat storage performance of concrete pile...

This article selected the phyllite of the eastern Ankang section of the highway from Shiyan to Tianshui for raw materials,and made a series of experiments. The results showed that phyllite belongs to a kind of soft rock, low strength ,stability, and easy to collapse .This article is based on CBR test...

Critical for flanging of square tributary junction on cylindrical steel tube is to determine the shape and sizes of pre-machined hole. In order to investigate precise shape and sizes of the pre-machined hole, an optimized design model is established. The forming process during flanging is simulated with...

To study the mechanism of anti erosion of river bend protection technology and research on the factors affecting erosion of slope protection, It selects typical river bend of the Shandong Haihe River Basin Tuhai River ,and experiments on the ecological slope protection impact. It uses four different...

The transmission is widely used in various sectors of the important machinery and equipment, In this paper, based on fuzzy clustering analysis, the module of transmission is studied. Construct transmission components function and geometric correlation matrix, corresponding to the fuzzy equivalence matrix,...

Aiming at parallel computing of shared memory multiprocessors based on JOMP, this paper probes the writing, compiling and running of a *.jomp file in detail and describes a complete specification and process for parallel programming. It expounds the format of parallel directive sets, main runtime libraries...

The effect of calcium ion on peony aging was studied. Different four calcium ion concentrations (0mmol/L,100mmol/L,250mmol/L, 500mmol/L) was setted. Leaf of the peony Roufurong on same growth period was cultured in vitro, Chlorophyll concentration was measured per four days. The results revealed that...

how to use big data method to improve intelligent traffic system at present and relieve traffic jam is one of the key problems of smart city research and traffic plan field. This paper firstly analyzes big data application in traffic guidance information system according to optimal equilibrium theory...

Ab initio molecular orbital theory and density functional theory have been applied to investigate B7Cl- cluster. It is found that almost an inversion in stability occurs upon addition of one Cl to B7- cluster. Two low-lying planar(Cs,2A') structures are the lower energy minima, and the quasi-planar geometry...

The concept of Web knowledge service is proposed with regard to the issues on sharing, integration and reuse of heterogeneous distributed Web knowledge resource combined with Web service technology in order to provide an architecture of knowledge management system based on Web knowledge service, which...

Overhead distribution line is easy to suffer lightning trip upon strong thunderstorm due to its low design insulation level, which will reduce reliability of power distribution system. Considering the random annual changes of thunderstorm characteristic parameters, a long-term reliability model of overhead...

Network group information refers to views expressed by the masses of netizens through the network carrier, for the social hot spots and important events within a certain time frame, a network domain. The number change of group information can reflect a hot issue, and from the content of group information,...

As the distance between production well and injection well, distribution of wells and operation model of water resource heat-pump system play a significant impact on system efficiency. The paper makes a research on changes in water flow field and temperature field around production and injection wells....

A At present, the treatment of functional dyspepsia (FD) is not satisfactory, and efficacy-related factors of less research, in order to alleviate symptoms and improve quality of life, this study tries to evaluate the efficacy of functional dyspepsia related effects factor.

Temperature field analysis of laser micro-drilling is a nonlinear transient thermal conduction problem with phase changing. In this paper, first the temperature field is simulated with ANSYS finite element analysis software, thus obtaining a three-dimensional temperature field distribution. By analyzing...

For maintenance of a certain type of equipment, a detection Based on AT89C52 as the control center for the Certain Missile Equipment Tracking System was designed. The certain equipment elastic applies to all port resources of AT89C52,it complete power control, detection mode control,display driver, buzzer...

In recent years, the promotion of renewable energy has been used in many Qian'an’s buildings, and in which the use of groundwater source heat pump technology is particularly widespread. This work is focused on the comprehensive economic analysis and energy efficiency evaluation of groundwater source...

A type of directly self-tuning PID controller based on neural network is proposed in this paper. Its main characteristic is that it no longer includes independent PID controller and put neural network and the law of PID controller together. Showing the learning algorithm of this neural network controller...

As the basis of dynamic analysis, modal analysis can be used to determine the vibration characteristics of mechanical institutions themselves, briefly expounds the basic principle of modal analysis and modal analysis under the environment of ANSYS, and the steps, and a specific example, for turbine rotor...

Under the background of energy shortage and environmental pollution, the development and utilization of building water energy and resource utilization have actively responded to the construction of the national sponge city and are in line with the sustainable development strategy. It can not only solve...

In many regions, such as Tibet, Qinghai etc, because of its unique climate conditions, continual appear all kinds of road diseases, such as cracks, subsidence and damages. Mainly due to the traditional maintenance ways on semi-rigid base material in these regions are not very well. So based on the characteristics...

The data mining methodology for identification and detection of bugs is an important application. Especially separating bugs from non-bugs is a general challenge. When software developers classify bug reports, they may misclassify bug reports with bias and errors. All issue reports are analyzed by combining...

The education practice of the modern distance education is an important execution mode for the practical talent training mode. The effect of the practice teaching is measure of the practice teaching quality, and the research of the influence factors of it is an important approach to improve the teaching...

In this paper, the effect of slenderness ratio on the ultimate stability bearing capacity of the eccentric compressive members is analyzed. 10 specimens are analyzed by ABAQUS finite element software and steel structure code at home and abroad. This case is that the eccentric load is applied at both...

Fur intensive farming region due to the widely used feed electric processing equipment, makes the power peak increased dramatically during feeding time, the electric power planning and a new challenge to electric power dispatching. In this paper, the energy exchange of power plant and electric power...

Detection method of colloidal gold immunochromatography assay concentration using colorimetric principle, when tested in liquid reagent on antigen and antibody response, reagent detection area change color, and compared to standard color grade then the concentration can be qualitative analysis. At present,...

The idea of network digital watermarking comes from the audio digital watermarking, which plays an important role in traffic tracking. However, there are many problems in the existing watermarking schemes. For example, the selection of watermark embedding area is not combined very well with the characteristics...

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

Simultaneous nitrification and denitrification (SND) under low dissolved oxygen (DO) and anaerobic/aerobic(anoxic) enhanced phosphorus removal (EBPR) are two processes that can significantly reduce the energy and carbon required for nutrient removal. The combination of the two processes is expected to...

For finding the changing law that the interaction between the photons and the water, the experiment has been finish and the result has been analyzed. Two half circles of them one is black and another is white are in different depth in water and the images are took. The results are shown that the object...

“Twelfth Five Year Plan” period is the key period for China to promote the construction of comprehensive transportation system. As an important starting point and breakthrough point to promote the construction of comprehensive transport system, comprehensive passenger transport hub has been developed...

To improve machining accuracy of CNC spiral bevel gear grinder, there were two main ways: spatial error compensation of CNC spiral bevel gear grinder and tooth profile error compensation of the spiral bevel gears. Based on spatial error detection and compensation principle, laser doppler displacement...

A novel classification approach for hyperspectral data based on sparse representation framework is proposed in this paper. This new method divides all spectrums of hyperspectral samples to sub-dictionaries based on spectral characteristics of the data themselves. Meanwhile, a weighting algorithm based...

In order to predict incremental spacing in press bend forming of Aluminum alloy integral panel the typical integral panel test piece was taken as an example. By using numerical simulation method this paper analyzed the effects of different incremental spacing on integral panel forming quality which included...

LIN bus is well adapted in vehicle network for its easier development, and through a LIN-CAN gateway, a LIN network can be mounted to CAN network as a distributed control system. To create the vehicle lamp control system, LIN bus is selected as communication bus, and to control lamp a high side switch...

The emergence of cloud computing to higher vocational education has brought new changes, based on cloud Desktop Network virtualization technology can make the traditional training model has been tremendous innovation, cloud desktop virtualization technology can be used to carry out a wide range of online...

In order to study the performance differences among struts of a heavy-duty gas turbine, three-dimension finite-element models of several struts were established by Pro/Engineer. Firstly, the stresses of three struts were obtained only considering the rotor gravity. The magnitudes and distributions of...

Cloud computing platform suitable for teaching and scientific research is constructed based on OpenStack, to distribute computing resources flexibly and to provide environment support of application development such as virtual desktop and distributed computing. The control nodes of the platform deploy...

In this paper, we study the heating building for Tangshan one residential and the project chooses solar vacuum tube collector. The system is running around the water temperature, water flow and solar radiation test record. We calculated the instantaneous collector efficiency, system instantaneous efficiency...

With the continuous improvement of the national level of information technology, especially the rapid development of Internet technology, IT database system is more and more widely. However, the database system data storage and extensive sharing of features, making the database system security issues...

This paper studies the Lyapunov exponent defined by the matrix with the exponential rotation. The author applies the theory of subharmonic functions to prove that if the coupling number is big enough, then the Lyapunov exponent is positive.

Using phase change material (PCM) as an energy storage medium is one of the most efficient ways of storing thermal energy. An important organic PCM is paraffin. There are a lot of advantages of paraffin, but an undesirable property of paraffin wax is its low thermal conductivity. The main methods to...

In this paper, a parameter estimation method for the single diode model of photovoltaic (PV) module is proposed, and the simulation model of PV module is established. Based on the analysis of the PV module output characteristics under different temperature and irradiance, the monotonic decreasing characteristics...

Micro-grid is a new technology approach for the distribution of distributed power generation systems into distribution systems. It can effectively integrate renewable energy (solar energy, wind energy, etc.), energy storage and loads. The issue of optimizing the capacity of the micro-grid is a very important...

Molodtsov first proposed the soft set theory, which can be used as a general mathematical tool for dealing with fuzzy and uncertain information. As a generalization of soft set, interval-valued intuitionistic fuzzy soft set is another soft set structure,it is a combination of an interval-valued intuitionistic...

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

The dynamic stability issue of consequent rock slopes has been paid wide attention because this kind of slope is more likely to form a buckling failure under seismic loading. In this paper, in-depth researches focused on the dynamic stability problem of consequent rock slope have been launched by using...

Concrete as a most popular construction material has many advantages such as easiness to be formed into various shapes, common availability and relative low cost. However, the low strength in both tension and shear is limited for the wider application of the material. In this study, an advanced material...

Based on the traditional ecological composite wall, expanding composite wall is put forward in this paper. Based on the tests of five pieces of 1/2 scaled expanding composite wall under low-cycle lateral loading, the bearing capacity, ductility, hysteretic characteristics, and stiffness degradation performance...

Cloud computing has many advantages such as on-demand service, high extendibility, universality, low cost and virtualization, and so on, which is widely promoted and applied in each industry of the society. However, the development of cloud computing is also faced with many risks and challenges, among...

As the imaging technology improves the resolution of the astronomical image, how to effectively and efficiently extract objects has become a big challenge. As the dimension of the CCD image matrix is increasing with the increase of the astronomical image resolution, the traditional method which needs...

Different families have different needs for tours. In order to solve the problem, this paper firstly creates a table which takes all determining varieties into consideration. By adopting principal component for analyzing and filtrating the main factors, the conclusion is as follow: the first principal...

It is an effective way to enhance the safety of train control system by using safety redundant architectures. This paper consider the typical safety redundant architectures, including double hot standby, 2-out-of-2, 2*2-out-of-2, and 2-out-of-3, establishes models for these architectures by Markov chain....

The parameters of fracture splitting groove have direct influence on the stress-strain field of crack tip. This paper modeled on some cylinder engine crankshaft bearing bracket. Based upon normal stress criterion of cleavage fracture and the mechanics of fracture software ABAQUS, the stress-strain field...

The objective of this study is to investigate the effect of combined container roof garden on the microclimate, the wall temperature and the indoor temperature of the building. This study has shown that the combined container roof garden can effectively improve the roof microclimate, reduce the highest...

Thin-walled cylindrical shells under axial compression are commonly found in a wide range of civil engineering steel shell structures, including silos, towers, chimneys and tanks. Buckling of axially compressed cylindrical shells has been one of the most active areas of shell buckling research. The purpose...

Transferability between urban rail and bus transit is an important indicator for evaluating efficiency of a multi-modal transit system. Transit transfer is concerned with distance, safety, comfort, clarity, and equipment applicability. This paper presents a Multi Criteria/Attribute Decision Making (MCDM/MADM)...

CFRP laminates are used for various aircraft structural components because of their good mechanical and physical properties. Metallic inserts are one kind of aerospace fasteners, which are usually installed in the metallic components by an interference fit. However, when metallic inserts are installed...

Data flow analysis is a technique that is widely used in compilers and program analysis tools. A lot of practical problems use data flow analysis, e.g. live variable analysis. The usual way of solving data flow analysis problem is to solve for the fix point of some simultaneous equations. This is done...

A radiator bracket is installed on the bracket of an automobile water tank, water tank with support, and cushioning effect. This paper illustrates a Haikou car company of polypropylene and glass fiber tank material support as an example, and the use of Catia, UG and ANSYS software to analyze the structural...

Based on the topological structure of the network, this paper calculates and analyzes the degree of the multi-center network of urban agglomeration based on the measurement of the regional integration of each urban agglomeration, from the aspects of density, intensity, symmetry, hierarchy and network...

In the cloud right weight attribute encryption scheme based on multi-agency. Under existing cloud computing environment based on multi-agency access control scheme generally do not take into account the weights of the attributes that the status attributes are equal. But in real life, with the right to...

According to the rural highway traffic accident rate has a rising trend year by year due to traffic safety facilities no perfect, and considering the actual situation of rural highway traffic safety, the paper analyzes the common pattern of the rural highway traffic safety facilities, and fully augments...

Traditional Extreme Learning Machine (ELM) networks generally used S-shaped activation function, such as Sigmoid function and Tangent function. However, the problems of slow convergence speed and over-saturation exist. In order to solve the above problems and improve the performance of ELM algorithm,...

Kong. et al. (2014) [1] presented an efficient approach which gives weighted-average of all possible choice values of soft sets under incomplete information system, However, the weights of the attributes are not considered, although all the entries are “1”, the importance of all attributes are not all...

Abstract-- Governance or public or private individuals and institutions management is the sum of many of the same services. It is made to reconcile conflicting or diverse interests of joint action and continuous process. It includes the right to force people to obey official institutions and rules and...

With parameter values chosen to obtain good calculate, the experimental results show that the load will receive the maximum voltage and maximum electric power at resonant frequent 22kHz when Tesla coils are 4mm away. The maximum electric power transfered by two Tesla coils of diameter 30mm with 13 loops...

Air-intake filter in the ventilation system of offshore platform, is normally composed of the inertial stage and the multi-layer gauze stage, which plays an important role in providing sufficient and clean air. Numerical simulation and experimental research were carried on to study the flow field and...

China as a country of economic transition and a big country in the world. In the international trade, She passively accepts the price of the carbon transaction under great pressure from European and American developed countries to control greenhouse gas emissions. In November 26, 2009, the Chinese government...

In China, under the background of improved about concentration degree of crop breeding enterprise and technology of crop breeding, it was the inevitable choice that carry out crop breeding technology innovation, strengthen information communication, joint crop breeding, and promoted the core competitiveness...

In this paper, we propose a facial expression recognition method using Support Vector Machine on mapped coordinate sequence features. The proposed system is almost fully automatic, in which landmark initialization is based on general knowledge with edge information, and missing information compensation...

In the last a few decades, there has been growing interest in systems which deal with large amounts of data. In practice, there is a need for analyzing the data so that useful information can be extracted. And people have implemented a lot of systems for this purpose. In this paper, we propose a new...

This paper mainly research the relationship between the lithium-ion battery management systems and charging policies and temperature. In the introduction of lithium-ion battery characteristics of the premise, the lithium-ion battery protection methods are described, based on a lithium-ion battery protection...

Through the physical model test, the reflection coefficient of pile-supported vertical wall breakwater under the action of regular wave was measured. The non-dimensionality method was used to analyze the change of reflection coefficient under the influence of various factors, thus giving the engineering...

Aiming at the problem of multivariate process quality control, an algorithm based on joint control domain transformation is proposed. By using the principal components analysis method, original quality vector is converted to a new one whose components are unrelated, thus the joint control domain of new...

The uniform design is significantly different from other categories of costume design, and the uniform design is mainly based on the industrial characteristics and principles, i.e., the uniform must adequately reflect and adapt to the characteristics of work environment, object and target. While fabric...

Hydraulic integrated block design is a creative work. In addition to the needed calculation for the design and checking of the hole, a lot of the content of the work belongs to the non-numerical calculation. The wisdom and creative of the designers are used, at the same time the computer-aided design...

The coating obtained by the micro-arc oxidation technology has a strong ability to bind with the substrate, which can improve the properties of materials such as wear and corrosion resistance, thermal shock resistance and insulation. This paper outlined the characteristics of micro-arc oxidation technology...

Through the analysis of current development and utilization of iron ore tailings resources in China, we can summarize the present development and utilization pattern of iron ore tailings resources. According to the theory of sustainable development, people can put forward three connotations of iron ore...

This paper forecasted VaR for multi-market assets (serval kinds of energy assets, stock, gold and US Dollars) by using Vine-copula model. The findings of the research showed that the Vine Copula model displayed more flexibilities and efficiencies than the traditional Bivariate Copula model in characterizing...

Research network worms, through inhibiting propagation of vicious network worms, Improve the utilization rate of network, Analysis of the network worms’ propagation model, put forward the mathematical model based on hybrid network benign worms, establish the mathematical model of network communication,...

A new knot placement method for B-Spline curve fitting to a set of ordered points is presented in this paper. It is a unified explicit formula that applies to both approximation and interpolation. The experiments designed by authors show that this method is effective and it has the advantage of keeping...

Ethylene glycol butyl ether and acetic acid as raw materials, cyclohexane as dehydrant, by direct esterification method, under p-toluene sulfonic acid catalyst, the catalytic synthesis of ethylene glycol butyl ether acetate(EGBEA). In the single factor experiment examines the usage of the influence of...

Through studying how to affect acoustic directivity with MATLAB software, it show that selection of a relatively larger surface of the transducer and a relatively closer transducer interval will be more preferable for directivity. While an array which possess more array element number and whose frequency...

This paper primarily discusses the linear quadratic optimal control problem for discrete-time stochastic sys- tems with indefinite control weights and constraint and Markovian jumps. We use the Karush-Kuhn-tucker (KKT) theorem basically in this paper. It is testified that the well- posedness and the...

The guided wave with the bidirectional propagation leads to complex signal which would be difficult to identify the end echo and the flaw echo. To simplify the guided wave signals based on the magnetostrictive effect, one-direction receiving method is investigated. The receiving guided wave method in...

In this paper, taking the automobile enterprises BYD as the research target, based on the basic theory of synergetic development, the author constructs the new energy automobile enterprise products synergetic development quantitative evaluation model, analyses the diversification strategy of automobile...

In order to realize the sustainable development of society, building energy consumption has become a global concern. In buildings, occupants adaptive behaviors that means how to use the buildings have an very important influence on the building energy use. The researches of occupants adaptive behaviors...

Car retarder is an auxiliary braking device. It is very important to improve the driving safety of the automobile. At present, the domestic and foreign research car retarder is mainly based on eddy current, permanent magnet type and hydraulic. Although the traditional retarder can play the auxiliary...

The application of fuzzy reasoning and neural network in information fusion has its own merits. In contrast, the advantage of fuzzy reasoning lies in its strong ability of knowledge expression, its internal model structure and reasoning results are easy to understand, the disadvantage is that learning...

Based upon the synopsis of software reuse technology, this paper describes the software reuse process and puts forward software reuse framework. Meanwhile, practical analysis is carries out, and platform application mode is deduced that comprises development environment, management environment, operation...

Currently,the process of using multi material ALE method to modeling wind-structure system is not specific ,and its reliability is unknown. This paper details the process of using multi material ALE method to modeling the wind-structure system,and uses the method to model a wind-plate system. Physical...

There are lots of advantages using linear motor in high speed direct feed drive system. Nevertheless the control system of linear motor is easily being disturbed because of the distinctive structure. To improve the response characteristics of linear motor feed drive system, this paper proposes a regression...

Rainwater management and design for impervious land is an important method of rainwater resource utilization and mitigation of negative impacts on surface runoff. Through the research and analysis of rainwater management cases in domestic and foreign courtyards, we can learn that these courtyards take...

Cotton fabric was dyed by exhaust method with C.I. Reactive Blue 19 with various dye concentrations, followed by the treatments of soaping, dye fixing, and wet rubbing improving. The dye exhaustion, wash fastness, rubbing fastness, and colour difference of dyed cotton fabric were examined. The consequences...

Coal cinder and zeolite have been widely studied in wastewater treatment. However there are some problems with the materials, such as low mechanical strength, poor water resistance, difficult recovery of coal cinder, and poor stability, easy powder, high price of zeolite. To resolve these problems, a...