Advances in Engineering Research

There are two shortages of traditional AHP method: (a) expert scoring to be absolute and (b) less considering the credibility of expert scoring and the dynamic difference between experts. In order to solve the above-mentioned drawbacks, an uncertain type of AHP method based on expert’s credibility is...

Human's body shape classification is the basis apparel digital processing and manufacturing. Human neck's morphology is a critical factor that influences the fitness and comfort of apparel's collar. In this paper, 300 young men, aged from 20 to 25, are measured by means of the 3D Interactive Body Scanning...

The aim of the experiment was to verify the CO2 concentration in the indoor environments in different flows of fresh air per person, based on the legislative requirements of the Czech Republic and the European Union. The experiment was performed in a passive house at the Faculty of Civil Engineering,...

The application of light emitting diodes (LEDs) for supplemental lighting is expected to increase quality of tomato seedlings in north greenhouse with less cost. Experiments were carried out to investigate the effect of supplemental lighting by LEDs with two different spectral qualities (blue, red and...

Flexible rolling is a novel manufacturing technique for forming three-dimensional surface sheet metal parts. The working parts are two bendable rolls. The shape of each working roll can be adjustable respectively, and the gap of two rolls is controlled. The transverse curvature of the formed surface...

At present, the research is not enough for the shear displacement and stress level in domestic.The paper aims how the law between the shear displacement and stress level by shear test for intact loess.The results showed that: with the increasing of stress level, the relationship curves of shear displacement...

The various natural resources of Tlogowungu Village has becomes the income for the citizens. Of the natural resources, gingers are known to be beneficial to health. Gingers are rich in antioxidant content as health benefits, so that Tlogowungu residents utilize ginger into various preparations such as...

In view of the problems that the off-line inspection of traditional measuring instrument was inconvenient to automatically correct the Computer Numerical Control (CNC) machining process parameters and feedback control the in-process machining quality, the configuration collaborative monitoring method...

New approaches to improve engineering student’s ability to solve complex engineering problems have been studied. The student’s ability of “practice combine with theory” is very necessary for them to solve complex engineering problems. Taking the automation specialty of Shandong University as an example,...

In recent years, with the development of construction machinery technology, the controlling requirement for its hydraulic system has become more and more strict. The bad working environments did harm for the hydraulic system, so people payed more attention on preventing hydraulic system from invalid...

Vegetation coverage is an important index to measure ecological environment. In this paper, the composite vegetation index (VBSI), which can weaken the interference of mountain shadow, soil background, rocks and buildings, was constructed. Combined with mixed pixel decomposition model, the dynamic monitoring...

An SIS information dissemination model is studied based in social network. QQ and WeChat are employed as the carrier of information dissemination. We assume that uninformed individuals can get information from either their informed QQ friends or their informed WeChat friends, and the relationship between...

With the development and popularization of electronic technology, the network is increasingly integrated with traditional finance and has become a new type of finance that is attracting attention in the world today. This phenomenon has aroused widespread concern and research of related industries and...

In order to improve the performance of vehicle communication system and reduce the cost of testing, a LIN bus converter has been designed. This paper discusses the basic structure of LIN bus converter and the realization method of hardware and software. The design has been applied in testing of BCM....

Research on coastal natural resources has confirmed that mangrove plays crucial roles in coastal ecosystems both ecological and sociocultural. Although its critical roles, other studies also release gloomy pictures of mangrove destruction which have a damaging impact on coastal life. Different from many...

Studies on the physical and mechanical properties of antimicrobial film from lemongrass oil incorporated with chitosan/ascorbic acid have been done to obtain an alternative biodegradable antimicrobial packaging. The objective of this research is to investigate changes in physical and mechanical properties...

A rectangular patch antenna is a compact antenna. It is appropriate to a modern mobile communication application. The main drawback of the rectangular patch antenna is the bandwidth. It restricts the antenna’s application. The natural dielectric replaces the artificial dielectric to enhance the bandwidth....

Since cardiovascular diseases (CVDs) are the world's leading cause of mortality, early and precise diagnosis is crucial. Conventional diagnostic techniques take a lot of time and are prone to human error. Machine learning (ML) is a promising way to increase diagnostic accuracy as electronic health...

Orthogonal Frequency Division Multiplexing (OFDM) technology is a multi-carrier digital modulation technology, in recent years after high-speed digital signal processing chip (DSP) appears, so the advantages of OFDM technology is embodied. DSP technology combined with OFDM, the Fourier transform/inverse...

Recently, environmental issues are continuing to exert pressure on an already stretched world energy infra-structure. Significant progress has been made in the development of renewable energy technologies such as so-lar cells, fuel cells and biofuels. However, these energy sources have been marginalized...

In view of the problem that the occurrence rate of construction safety accidents is higher, questionnaires, on-site interviews and other research methods had been applied to analyze the present situation of construction safety production management in our country. Summary up the main factors that lead...

The discovery of the basic law in the subway network system is important to promote the coordinated development of traffic management science and traffic science and technology. Based on complex network theory, this paper constructs a weighted complex network model of passenger flow in Beijing subway...

In order to seek the low-carbon environmental protection and high service level of logistics distribution,a multi-objective optimization model of logistics distribution network is proposed.Firstly,the multi-objective optimization model of logistics distribution network is established by using the multi-objective...

According to the overheating problem in the operation of high-current switchgear, numerical simulation of temperature field is analyzed based on Fluent. Mainly including the heat power calculation of heating elements in the switchgear, the heat transfer analysis and a three dimensional model of cooling...

A Geographic Information System (GIS) is used as a decision-making tool for site selection in this research. Many factors are related to the site selection of Municipal waste incinerators (MWI) due to the external costs. Consequently, a site selection model is built to help regulators to choose suitable...

This paper adopts DPM model to analyze the numerical simulation of particles with several densities and sizes in rotating cylindrical flow and explore the movement features and stress rule of single particle in rotating cylindrical flow. The result demonstrated that when single particle rotate at a constant...

There is less research on the accordance relationship between AE characteristics and failure process including the starting time and duration of failure of brittle rock. The different brittleness rock-like samples made of rosin and grout mortar have been researched by the uniaxial compression test and...

Geophysical methods are able to fill the gap between boreholes and to provide a measure of the spatial continuity of structures. Borehole seismic tomography promises the highest resolution when applied at a local scale of a few tens of meters. Currently, almost exclusively P-wave tomography is employed...

PHP is a powerful and easy-to-use scripting language. PHP technology is used in this paper to achieve management software of music online audio-visual to help administrators manage. Firstly, a brief introduction on PHP technology was carried on, which includes its basic concept and several features;...

The effects of intercropping with four floricultural accumulator plants (Helianthus annuus, Cosmos sulphureus, Cosmos bipinnata, Impatiens balsamina) on soil enzymes activity and soil organic matter of grape seedlings under cadmium (Cd) stress were studied by a pot experiment. The results showed that...

The article states that to achieve the advanced development in agrarian sector and to ensure food sovereignty of Russia it is required to introduce a digital economy model. Diffusion of financial digital innovations into agriculture can occur through industrial adaptation of platforms and technologies,...

This is development research that aims to produce a set of instruments for assessing student teachers’ critical thinking and argumentation skills on chemistry. The instruments were developed through the stages of conceptualization, development of tests, and trials. Results indicate that the instrument...

Digital twin technology can promote the deep integration of industrialization and informatization, further improving the management efficiency and level of intelligent hydropower plants. This article conducts preliminary research on the overall architecture, data base, twin platform, and twin application...

With the acceleration of urbanization in China, the rigid demand for urban land has promoted the rapid rise of high-rise buildings. While affirming the application advantages of high-rise buildings, it is also necessary to focus on the huge hidden dangers of fire accidents. Disaster prevention is greater...

The distance between the existing calibration tower of the survey ship base and survey ship is only 980 meters which can`t satisfy the United X Band system antenna far-field calibration condition. To solve the problem,a method using array antenna to synthesize quasi plane wave is presented to implement...

This paper carried out kinematical analysis for the two-handed backhandmovement of the 2016 ATP Chengdu Tennis Open final men's players Ramos byusing three-dimensional camera analysis, to explore the characteristics of tennis two-handed backhand, hoping to provide the majority of tennis Coaches, athletes...

The electron beam processed surface textures on a Ti-6Al-4V ally and a Ti-4Al-1.5Mn alloy were examined by using advanced optical microscopy for surface morphology analysis and near-surface microstructure observation. It showed that the as-resulted non-smooth surface was characterized by parallel ridges...

This paper proposes a predictable method for mechanical performance of cold rolled ribbed steel bars based on BP network with dividing variable space according to original materials’ tensile strength. It builds a sample variable space partitioning model according to the original materials’ tensile strength....

Along with the economic development and economic globalization, the world has entered the era of knowledge economy. The global industrial structure has changed from second third first to third second first. In particular, the service industry accounts for about 70% of GDP in developed countries, which...

Classical geotechnical engineering limit element analysis method is widely used, but it is not suitable for heterogeneous materials. In particular, the finite element method should be used to analyze the strength of the loess slope. With the development of computer technology, it is possible to utilize...

Currently, the most commonly used TCFs in the electronics industry is indium tin oxide (ITO). However, ITO has some inherent shortcomings, such as high cost and brittle nature, which limited its widespread application. Recent studies have investigated alternatives to ITO. Ag nanowires (AgNWs) is still...

In this paper, a random walk model was established for the EEG signal. The characteristic parameters qt and at were extracted from the original EEG signal by Bayesian inference method. By comparing the global maximum of the autocorrelation function of the characteristic parameter qt between patients...

In this paper, the reliability theory of engineering structure based on a city landscape bridge (multi span prestressed concrete V-shaped pier continuous beam bridge) as engineering background, key section of main girder and V-shaped pier of continuous girder bridge of prestressed concrete V-shaped pier...

Vending machines must offer efficient service with zero tolerance for human error, require no user training and be accessible to a wide range of users. User behavior analysis by product interface guides the user's behavior is the key to solving some practical interaction design problems. This study based...

Late Proterozoic, Luliang movement made vast areas of North China into the sector development period. Early Cambrian, North China block sank as a whole, depositing a 500 to 1400 meters stable carbonate sedimentary rocks. Jurassic - Cretaceous, Tangxi fracture and Tangdong fracture started to move, Tangyin...

Periods of decentralization had exerted a tremendous pressure on the cities environmentsustainability. The compact city concept was seen as an approach that could end “the evil of urban sprawl”. This paper uses GDP density as the index of compact city to examine the determinants of environment sustainability...

With the development and application of sensor network technology, how to achieve a dynamic multi-objective sensor network coverage optimization has become an important issue currently facing the sensor network. By analysis of the original algorithm for the dynamic overlay node mobility departure, V-DE...

This paper presents a metering low-voltage current transformer integrated test bench with manually wiring and stiching structure. Through the transformer integrated test bench, it can realize the appearance inspection, insulation resistance measurement, power frequency withstand voltage test, secondary...

The electrochemical behavior of Maca adenine on the modified electrode of o-phenylenediamine/β-cyclodextrin/Ag-carbon nanotube was studied by cyclic voltammetry. The results show that the electrode modified by 7mg of carbon nanotubes is the best when the concentration of silver ions is 0.1mg/ml. The...

The research on configuration of canard with forward-swept wing is of great significance in modern fighters' design. According to the influence of canard on static aeroelasticity of forward-swept wing, the longitudinal aerodynamic and elastic characteristics of canard with forward-swept wing configuration...

Brain disease detection still is the hotspot and difficulty in the present society. Nevertheless, the emergence of magnetic resonance imaging (MRI) technology can be more convenient for the diagnosis of brain diseases. In this paper, we introduce several methods to detect pathological brain automatically,...

The water quality is an important factor affecting the output and quality of the marine ranching. According to the characteristics of aquaculture industry in the South China Sea, a multi-parameter intelligent monitoring system for marine ranching was designed. Temperature, pH and turbidity were selected...

Aiming at the current demand of water-saving agriculture, improving the utilization rate of agricultural irrigation water and further promoting fine irrigation, a soil moisture monitoring system based on wireless sensor network (WSN) was designed., The system combines the advantages of ZigBee's low cost,...

The power factor value in RLC circuits is determined by the amount of pure resistance (R), self-inductance of the coil (L) and the capacitance of the capacitor (C). In this study, the measurement of the power factor value in series and parallel RLC circuits is conducted through experimental and simulation...

The use of deep learning models, especially Convolutional Neural Networks and Gated Recurrent Units, has been a popular approach to improve the performance of handwriting recognition (HTR) algorithms In this research, perzival dataset is used it evaluates the performance of the HTR system incorporating...

This research was carried out with the aim of developing a competency test instrument for the results of the navigation function practice exam in the bridge simulator for student officers (management level) of Nautical Studies at the Barombong Shipping Polytechnic. This research was conducted at the...

Demands of ultra-scaled ion sensitive field effect transistors (ISFETs) with higher current sensitivity and wider dynamic pH range are sky-rocketing as the ISFET devices find their increasing applications in the arena of wearable sweat sensors. In this context, a scaled tunnel FET (TFET) can serve as...

Accurate traffic flow prediction is critical for efficient traffic control, urban planning, and congestion mitigation management. This study focused on using deep learning algorithms to predict short-term traffic flow on a suburban roadway. Long Short-Term Memory (LSTM), Gated Recurrent Unit (GRU), Artificial...

The elastic constants (cij) and elastic properties of B2-phase FeAl intermetallic compounds and Fe–Cr–Al ternary alloys are studied by performing first-principles density functional theory calculations. The stable structures of Fe–Cr–Al and the elastic constants of FeAl and Fe–Cr–Al are predicted within...

A global energy demand projection model (GESDA), including the global energy service demand module, the energy system optimization module and the carbon emission module, for projections of global energy service demand , energy demand and supply, and associated carbon emissions. Projections of global...

It is well known that computer applications are ubiquitous. In this paper, the exp-function method with computerized symbolic computation is improved to exactly solve a (2+1)-dimensional Burger's equation. As a result, a new and more general exact solution is obtained. It is shown that the improved exp-function...

Based on a nonadiabatic dynamic method, charge injection is studied in a metalpolymer structure. For a system with a short polymer chain, with a proper voltage bias applied to the metal electrode, one electron is injected into the polymer chain and then a charged soliton forms. For a system with a relatively...

With the continuous development of wearable health monitoring technology, new types of Electrocardiogram (ECG) electrodes become the focus of attention, such as textile electrode, non-contact electrode, and micro-needle electrode. However, there are not yet unified performance testing methods for different...

For the practical issue of multi-sensor data fusion in target tracking, this paper combines the predicted values and the measured values weighted together. The optimal weight allocation method of Containing predicted values and measured values is presented. In theory, the more the number of sensors is,...

The photocatalysts of S-doped K2Ta2O6 have been successfully synthesized by hydrothermal method. Effects of S doping to the K2Ta2O6 on the structure and photocatalytic performance are systematically investigated. The S was successfully introduced into the lattice sites of Ta5+ at the state of S6+. The...

Data type and amount in human society is growing in amazing speed which is caused by emerging new services such as cloud computing, internet of things (IoT) and social network, the era of big data has come. Data is a fundamental resource from simple dealing object. In order to fully understand the connotation...

In recent years, the wireless power transmission is a new transmission mode. The wireless charging theory of magnetic coupling resonant mode is researched. The wireless charging device based on MCU is designed which includes sending unit and receiving unit. The sending unit is consists of resonant circuit,...

As a fuzzy mathematics method, fuzzy comprehensive evaluation approach is used in various fields, and achieves some good results. The purpose of this paper is to use this approach to research overall conditions of the hub city of “OBOR”——Nanchang. After obtaining the relevant data, it is concluded that...

Ram is one of the key component of high-end CNC machine tools, which casting residual stress will affect its machining accuracy, quality and performance of machine seriously. This paperutilizing blind hole method to measure residual stress of ram cast-ing,the results show that: the screw mounting face...

The linear model of valveless electro-hydraulic servo steering device neglects the nonlinear factors, especially the factors of the control subsystem, so the quantitative static and dynamic characteristics of the actual system cannot be evaluated accurately. Aiming at the problem, the steering device...

Monodisperse, spherical, organo-functionalized silica particles were prepared by a one-pot method. Vinyl-silica and amine-silica were prepared by the hydrolysis of tetraethyl orthosilicate in aqueous alcohol solutions with the addition of vinyl triethoxysilane and 3-aminepropyl triethoxysilane, respectively,...

With the rapid growth of economy in our country, the demand of coal will continue to increase. For a long time,the coal industry has continued with the extensive development and management model, but the study of its resources recycling is lack of necessary attention. By drawing from coal energy circulation...

In Huanggang City ,informatization construction is strengthened step by step nowadays, whether in state-owned enterprises, institutions such as the administrative department for Industry and commerce at various levels, various private enterprises, financial, securities, or the public service industries...

Slope stability is the focus of attention in geotechnical. The cutting loess slope because of its high slope and soil properties makes the research question becomes complicated. through the investigation The paper selected typical cutting loess high slope to study, and analyzed slope stability under...

Using magnetically coupled resonators coils in a strongly coupled near field was suggested for wireless power transfer. A circuit model is presented along with a derivation of key system concepts such as frequency splitting, the maximum operating distance (critical coupling). Here, a simple circuit topological...

This paper is concerned with a way to improve the anti-buckling performance of castellated beams. The finite element package ANSYS 15.0 is used to model castellated beams. Numerical simulations are carried out to provide data for the development of the critical load of web local buckling of hexagonal...

Underwater target recognition is a key technique in military command system. Decision recognition is the last key step. It fully makes several sensor several kinds of feature and classifier to be combined to form the uniform description to the target according to the optimizing criterion. The paper mainly...

Based on the seepage conceptual model of present elevation and ultimate elevation, in the conditions of common water level and flood level, SEEP/W, the seepage analysis module of GEO-Studio was utilized to simulate the changing regularity of seepage field, and then the results will be substituted into...

This paper summarizes the classifications features and basic properties of the composite materials, The characteristics and the problems of the composite cutting are analyzed, Especially for metal-based composite materials, drawn the relationship between cutting speed and tool wear is plotted, the feed...

In this paper, a new composite with Fe3O4 and Cu nanoparticles encapsulated in carbon nanofibers (CNFs) and its electrochemical properties were reported. The composite is fabricated by a simple electrospinning technique followed by heat treatment. At a current density of 100 mA g-1, this electrode exhibits...

The precision control of cutting current is the important performance index of the plasma cutting power supply, so the study of plasma cutting current control strategy have great significance. This paper first summarizes the development situation of plasma cutting power supply, and the domestic plasma...

Mechanical design and manufacturing is the basic industry of national economy.Its production level is an important symbol of a country's economic construction.With the innovation and development strategy puting forward,The cultivation of creative design ability about machines of college students' becomes...

In this paper, a nonlinear offline model of proton exchange membrane fuel cell (PEMFC) is built by using a support vector regression machine (SVRM) based on particle swarm optimization (PSO) algorithm. During the process of modeling, the PSO aims to optimize the parameters of SVRM. Compared with the...

With the rapid development of social economy, high-rise residential and commercial complex building is the main rend. There are numerous benefits of the high-rise commercial residential complex building. There are many types of high-rise residential and commercial complex building. They will help people...

Economic developments and times are increasingly making people increasingly selective in choosing products or services. The emergence of new companies engaged in services and products that trigger the emergence of very competitive and tight competition in the business world. This situation is also experienced...

This paper reports a type of abrasive polish method. Controlling the environmental aqueous rust inhibitor content can change its viscoelasticity to adhere diamond particles on polymer materials. Using the sandblasting mechanism, the elastic abrasive with fine diamond particles adhered to them collides...

People often use AMT to summarize various changes and new systems brought about by traditional manufacturing technologies such as microelectronics, automation, and information technology. Specifically, it refers to the collective name of technologies, equipment, and systems that are created by integrating...

With the increaseing of the combat capability of the weapon platform, the striking range of the weapon platform is expanding, and it is necessary to classify the weapon platform according to the target that the weapon platform may hit. It can distinguish the task community, enhancing the cognition and...

The nature and reasons of two cases of premature failure of engineering products are investigated (metal-composite cylinder for moto fuel and metal rod of bulldozer's hydraulic cylinder). By methods of metallography and fractography with using the basic provisions of metallurgy, physics of metals, physics...

Investigation of the catalytic activity and selectivity of the obtained products of various nature and composition of catalysts in the course of model catalytic reactions, cracking, isomerization, disproportionation. The study of the acid sites of these catalysts and their influence on the composition...

Choosing the regional development path reasonable according to the local advantages, and use them to promote the regional economy development,play a positive role.Using the correlation method of SPSS to analyze the relationship between the economic development level and the location advantages in Panxian...

The traditional video collection program should complete all the design work from the hardware layer to the driver layer and the application layer, which is a large work. It develops a video capture program based on driver model defined in DDK kit with API of general input and output module (GIO), and...

Firstly, according to water resource management interactive model based on ET, calculation methods of present ET, target ET and subtractive ET and realization approach of ET control in mountain counties have been put forward. Secondly, Linxian has been taken as an example to calculate present ET by RS...

Based on the velocities of waves near the surface in concrete, the propagation path and travel time of different waves were calculated, and the influence of crack on these waves was analyzed. Some theoretical conclusions were verified by FEM. The ultrasonic waves were received by array transducers and...

Methods used for the determination of potassium content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the potassium with high content, the sample...

The mechanical character of natural Pebbles concrete and crushed stone concrete is studied in this study. The results show that compared with the aggregate concrete, the W/B can reduce the crushed stone concrete to a certain extent. For the C50 box beam concrete, the water cement will decrease by about...

Diabetic retinopathy, which is one of the complications in diabetes, is an eye disease that can lead to blindness. The damage happens in retina as result of a long period of diabetic mellitus. People usually do research using image data in diabetic patients. This paper presents the idea of using feature...

The gold industry is highly dynamic, with gold price fluctuations affecting both buyers and sellers. Traditional valuation methods rely on expert opinions and historical data but often lack efficiency and objectivity. Recently, machine learning (ML) has gained prominence as a robust tool for analyzing...

The schemes for cable force measurement during construction of the Longwan Bridge are described and the principle of the cable force measurement with frequency method is introduced. With the measurements of cable forces of the Longwan Bridge being taken as the research background, the relations between...

The height of urban buildings has a negative impact on the architectural heritage, making it gradually buried in high-rise buildings. By reviewing the height control and visual integrity assessment methods at home and abroad, this paper proposes a new building height control assessment method based on...