Advances in Engineering Research

As an on-demand of computational resource, cloud computing appears to be part of a larger upward trend. Data owners can store outsourced data in the cloud and enjoy the high quality service. However, it brings new challenges, including the potential risks of the integrity of data, confidentiality of...

Expression is a non-linguistic communication means to express inner feelings of human; the basic expressions such as anger, hate, fear, sorrow, joy and surprise are studied in depth in the research field, but there are relatively fewer literatures on quantitative research of microexpression. In the Paper,...

According to the traditional spam filtering method effectively identify unknown characteristics and variability of the ability is not strong,according to the basic principle of biological immune system and multi agent technology proposed based on immune multi-agent spam filtering model. The model can...

In the view of the serious problem of low-rise gable roof buildings damaged by typhoon, a method of using wind-resistant energy dissipation devices on roof wind pressure to reduce the damage of strong wind on low-rise gable roof buildings is proposed in this paper. The wind tunnel experiments were carried...

Frost-resisting problem is important for the tunnel in cold region, and thus some thermal protective measure are necessary in order to avoid potential frost. With the development of land transport, tunnels plays an important role in the improvement of land transportation, so it is urgent to prevent the...

Study of Polymerised Merbau Extractives (PME) applications for modified wood products was carried out on oil palm wood. The tests of physical and mechanical properties were conducted using an Instron® UTM following the relevant standards. Thermal properties were investigated using differential scanning...

Micrometer scale hollow ZnO dandelions organized by ZnO nanorods were prepared by single-step hydrothermal process. The diameter of the nanorods with the pencil shape tip is estimated to be 150-500nm. The length of the nanorods is more than 2 m. Structure analysis indicated that the as-prepared products...

The downhole throttle technology is wildly used in Sulige gas field which was low voltage, low yield. To evaluate the service performance of throttle, property analysis of throttle rubber material under high temperature and high pressure in Sulige gas field was researched in this paper. An autoclave...

The profession of teaching is one of most stressful profession all over the world. The current study intends to examine the job satisfaction among the Private college teachers (Male and Female) in Pakistan. A questionnaire based descriptive type research design was adopted in the current study. The current...

To improve a secondary CNG filling station's refueling effectiveness and reduce its operation costs, the abnormal CNG refueling behaviors or outliers are empirically studied. Firstly, the central tendency and dispersion of volume and pressure change is empirically studied, and the simple regression model...

In this paper, we present a tri-diagonal parsimonious higher-order multivariate Markov chain model with new convergence condition. (TPHOMMCM-NCC). Moreover, the estimation method of the parameters in TP-HOMMCM is given. Numerical experiments illustrate the effectiveness of TPHOMMCM-NCC.

This is in response to the Eighteen big call to implement national planning policy in 12th Five-Year, 12th Five-Year in Daqing city planning in the premise of improving heating quality under the goal of saving energy, Daqing area planning focused on the implementation of energy-saving heating system...

Curing reaction of bisphenol-A epoxy resin were researched by non-isothermal DSC. The experiment result showed that the cured structure were excellent when the proportion between the bisphenol-A epoxy resin DER331 and curing agent DEH622 was 100:30, the reaction heat was 358.53 J/g which is 4 to 9 times...

With the rapid development of the network, distributed Web Crawler was introduced for fetching the massive web pages. However, the traditional distributed Web Crawler has disadvantages in load balancing between different nodes. In addition, the number of fetching web pages had not grown up linearly in...

Study on the surrounding rock pressures of rail tunnel is conducted based on pressure arch theory by performing numerical simulation in this paper. Two concepts: the critical burial depth of arching and the boundary calculation of pressure arch, are proposed by analyzing the stress state above the vault....

ZrB2, YAG and Al2O3 are widely applied because of some excellent performances, but ZrB2 is easily oxidized in the high-temperature air. To keep advantages and improve disadvantages of ZrB2, the shell-core structure A12O3-Y2O3/ZrB2 composite powders are prepared by the co-precipitation methods, the high...

Surface based micro-seismic monitoring of well stimulation by hydraulic fracture now has been accepted by domestic oil and gas industry. Micro-seismic data can be used to evaluate the stimulation result, predict reservoir stress state and guide the drilling of horizontal laterals, etc. Surface based...

Since the reform and opening up policy, the dragon boat project has been developing rapidly, and now it’s widely spreading all over the world. Owing to the Olympic spirit, the dragon boat race has gradually transformed itself from a folk sport to a competitive sport. Athletes are required to have a good...

In this paper, the definition and process of vulnerability analysis of vessel-bridge collision are put forward to provide the basis on the design and reinforcement of vessel-bridge collision. The factors that affect the vulnerability of vessel-bridge collision can be described as random variable. The...

This research studies the magnetic field and forces on the windings of transformer due to short-circuit. Three dimensional finite element computation of three-phase power transformer is carried out. The model developed have been applied to power transformer and the results are verified experimentally....

The influence of Ti and Zr incorporated modification and heat treatments on microstructure of ZA27 zinc alloy were investigated in this work. The results of XRD and optical microscopy analyses showed that modification with the addition of 0.03 wt.% Ti and 0.05 wt.% Zr changed the morphology of primary...

Shape memory Ni55Mn20.6Ga24.4(at%) wires of approximately 200μm in diameter were produced by the in rotating water melt-spinning technique (INROWASP). The microstructure of Ni-Mn-Ga wire was changed from dendritic-like into bamboo grains structure with only one crystal in the radial direction by annealing....

The article describes the development of the structure of the objects of the monitoring and control system of enterprises of the railway complex. As the basis, within the framework of the development of the interaction of structural elements, lies the concept of the module (as a сomponent). The article...

The paper presents laboratory studies of impulse water injection on the rock samples. A large number of experimental data were obtained. According to the experimental data, a regression analysis was carried out, on the basis of which qualitative correlations between factorial and resultant characteristics...

In order to express jumping scene in the real life, consisting of jumping site, large-scale jumping athletes and sports, this paper proposes expression of action coordination ability of track and field jumping events within signal autocorrelation. First of all, design the hierarchical logic model of...

This paper uses Chinese provincial panel data, Data Envelopment Analysis (DEA) method, Malmquist index calculation method and Theil index decomposition method to study the efficiency of Chinese fishery and the structure of provincial fishery efficiency differences. The results show that in a large number...

On the basis of the Nagel-Schrekenberg(NS)model, we first study the effect of SC (Self-driving with cooperating)system on the characteristics of single-lane flux under periodic boundary conditions.There are two models of vehicles on the lane(NS and SC .The influence of the proportion of SC vehicles and...

The structure of shear wall has become one of the most commonly used structures for the present residence in our country. The wide application of the structure of the shear wall structure will play an important role in the deepening development of China's housing industry. For the structure of the shear...

As the perpendicularity errors between the rotation axis and linear axis have large influence the accuracy of the large gantry machine tool. A method for perpendicularity errors calibration of five-axis gantry machine tool was proposed. A Leica laser tracker was used to collect the error components values...

The performance of the android application is one factor that needs to be considered because an android device has limited power, memory and resources. This is a challenge for developers to improve performance so that applications can run optimally. There are several architectures that are commonly used,...

In Indonesia, people have long been produced Eichhornia Crassipes Plant (ECP) stalks as raw materials for handicraft products. Other research has demonstrated that the tensile testing of individual fibers provides relevant data to assess their integrity in drilling mud. Whilst data on the mechanical...

Soil plays a vital role in supporting infrastructure. Clay soils deform under loads due to their high plasticity. Consolidation of the settling that occurs in clay soil takes an extended period because of their low permeability. The Palembapang area in Umbul Lioh, South Lampung faces the issue of low...

Vehicular ad-hoc networks (VANETs) are extensively utilized for intelligent mobility and roadside advertising. In VANETs, vehicles equipped with wireless sensors function as mobile nodes capable of communication in both infrastructure and ad-hoc modes. Clustering vehicles within VANETs enhances resource...

Freezing method has been applied in underground space development because of its high safety and reliability, good anti-seepage performance, wide application range and green environmental protection. This paper reviews the basic principle of freezing method and its research status in subway tunnel and...

This paper aims at examining various stages of the construction project and analyse ways that BIM can be incorporated within them and how its application impacts the construction project efficiency, sustainability, and management. BIM here entails the plans, specifications, measurements, schedules, properties...

In the tourism sector, the success of construction projects is closely tied to the efficiency of project scheduling, particularly in support of environmentally sustainable and green tourism operations. One effective strategy for reducing project duration without significantly increasing direct costs...

Along with Chinese urbanization and informatization has become increasingly mature, the traditional urban management problems and drawbacks exposure increased, the smart city construction as a new model of effective management, which at the same time provides a new opportunity for Surveying, Mapping...

E-commerce sites using search engine optimization to improve web site in the search results in the index ranking, and thus get more sales opportunities. Among them, in the station optimization is the enterprise's own site architecture optimization, need to meet the search engine crawlers search habits;...

A new compressive sensing based dimensionality reduction method is proposed for human action recognition, in which a novel hybrid random matrix (HRM) is constructed and is proved to satisfy the restricted isometry property. It projects the high-dimensional features into a low-dimensional space via the...

Simple linear iterative clustering (SLIC) method needs to artificially set the number of superpixel required for segmentation, which will easily lead to over-segmentation or under-segmentation, and that results can not meet the visual requirements. To improve the SLIC superpixel segmentation method,...

Graphene has rich and unique physical and chemical properties due to its single atomic layer structure. Graphene and its composites have been widely used in the field of materials science for a short period of ten years after the discovery. This paper will explore the preparation and applications in...

Smoke classification based on video image plays an important role in the performance of fire warning system. This paper presents a smoke classification algorithm based on frequency domain information processing. It is a feature in the video stream image region, which is based on the frequency domain...

According to the characteristics of fractal and distributed resistance of the condenser tube-bundle area, a porous medium model with three kinds of porosity is established based on the steam exhaust flow in the tube-bundle, and the changes of kinetic pressure and flow of steam exhaust around the inlet...

Laser has the characteristics of good monochromaticity, excellent coherence, well directivity and high brightness. With the features of non-touching, not easy to damage the surface, wide adaptability of materials, simple structure, strong anti-interference ability, and measuring fast, Laser ranging is...

Because of the linear CCD is used in non-contact dimensional measurement, especially at the edge of the detects object, the edge of the object can not be well coincided with the pixel edge of the sensor, there will be some errors. Currently, in order to reduce this errors, there are some edge subdivision...

Gray prediction is mainlydeveloped to study uncertainties of “small samples” and “poor information”. Gray forecastmodel is one of the most important part grey system theory. This paper applies for the gray model prediction to forecastA product demand in every month of 2016. On the basis of the prediction,...

Wildfires can cause transmission lines to trip, which can prove difficult to reclose successfully. Using satellite remote sensing technology to monitor wildfires can alert the power sector to potential damage. However, wildfires along transmission lines may have a small burned area and may spread rapidly....

During the metro station construction, it is always inevitably encounter to lots of crossing some adjacent structures by side of those. The Chegongmiao subway station is adjacent to the first subway of Shenzhen and Fengshengding shopping street, which is on the planning construction of Shenzhen 11th...

The flue gas emissions of thermal power units are widely concerned because of the increasingly strict environment protection requirements. This paper aims at the optimization of flue gas denitrification control for thermal power units. The research introduces the selective catalytic reduction flue gas...

R2100 sensor can provide an increased safety zone for Robot mower, it is necessary to use the advanced distance sensor that scans all kind of targets and receives data for the automatic control system and update the farm management information system. In this study, to determine the best height and view...

Contemporary society with the economic development, the demand for fossil fuels was increasing, leading to the increase of CO2 emissions, resulting in more serious environmental problems. So it was of great significance to analyze carbon emissions and the factors that affected its emissions, which could...

With the deepening of the reform of the electric power system in China, the system of Cross-subsidization for large users’ direct power-purchase has achieved initial results. The domestic experimental work of large users direct Power-Purchase and the practice of foreign countries have demonstrated that...

Conducting polypyrrole (PPy) is an attractive class of electrode material to be used in supercapacitor. However, the main chain of PPy prone to rupture in the process of charging and discharging, which results in premature attenuation and decreasing of specific capacitance. The SDS-modified PPy is prepared...

Portal crane is an important port production machinery what frequently work in moist environment leads to greater structural damage. The weight of the metal structure is usually 60% to 90% of the whole weight. Steel Q235B material in the early is widely used in the portal crane design and manufacture....

The particular test apparatus was developed to measure the geomembrane expansion deformation under overlying water pressure and ring-restrained conditions. The geomembrane expansion deformation and failure experiment was performed and its rules were summarized. The conclusions are drawn as follows: (1)...

This paper builds a seepage model of three-region composite reservoir, in which quadratic-gradient effect, well-bore storage, effective radius and three kinds of outer boundary conditions (constant pressure boundary, closed boundary and infinity boundary) are considered. With Laplace transformation,...

This paper use plum-blossom tourmaline as anion additive, filled to PET recycling material as modifying agents. Successfully prepared a composite material can release anions. The effect of different percent composition on heat distortion temperature and anion releasing performance of polyester recycled...

In order to achieve adaptive control and single parameter identification of one order system, an ordinary adaptive control method is used in this paper. By improving the adaptive control method, an adaptive control law is designed, and the result of parameter identification is analysed. In the end, a...

Multimodal travel information is expected to affect people’s choices of travel modes. The objective of this research is to identify the impacts of travel information, specifically for travelers traveling between cities along Shanghai-Nanjing transport corridor in Yangtze River Delta. Firstly, data gleaned...

The scope of the position of women in families and households and the wider community has a dual role, this means that a woman does not only play a role as a domestic workforce where her position gives support to other breadwinners to take advantage of existing employment opportunities but also women...

WSN is a typical distributed system. Data fusion, energy management, transmission scheduling, target tracking and positioning, and network security all require monitoring nodes in the wireless sensor network to maintain time synchronization. The application of synchronization technology at this stage...

The automated system is proposed that allows to control and measure forces of engaging and separating electrical connectors. The structure of the mechanical and electrical parts of the developed device is described. The use of the system will increase the productivity and accuracy of the operation under...

It is key to assess quantitatively the transportation risks of hazardous materials for optimal route. It’s difficult to analyze efficiently transportation risk involved the factors such as meteorological conditions, the underlying properties and sensitivity to harm. So the adjoint method is used to analyze...

This paper proposes a novel hybrid optimization algorithm of Adaptive Cuckoo Search and Particle Swarm Optimization algorithm for parameter estimation of chaotic system. In order to enhance the accuracy and efficiency of ACS, the strategy of exploitation velocity adjustment via acceleration by distance...

The research on isomerization technology of n-alkanes is necessary, and there is few study on metallocene catalysts for isomerization of n-alkanes. In this study, novel ferrocene/Hβ, acetylferrocene/Hβ and titanocene dichloride/Hβ catalysts for isomerization of n-hexane was prepared, and the isomerization...

The Quality of Service (QoS) of Cyber-physical systems (CPS) is inevitably undermined by various physical uncertainties which include the stochastic environment noise and dynamics of the physical phenomenon. Both of those uncertainties might lead to task overload and the power overconsumption as task...

Medical facilities as an important part of urban public service facilities, its spatial distribution has a direct impact on the residents of the convenience of medical treatment and quality of life. Getting the POI data of Panyu District's medical facilities from Gaode map, combining with GIS spatial...

the study of natural geographical zoning is a traditional and well-developed field of physical geography. Zonal landscapes of the planet are well-classified and have clear diagnostic features. The situation is extremely different from intrazonal landscapes. The criteria for their differentiation are...

This study aims to obtain optimal chocolate bars according to sensory tests based on the percentage of cocoa paste. The research carried out in stages, namely the selection of fermented dried cocoa beans according to SNI 01-2323-2008, making the cocoa paste, and treating 30% and 60% cocoa paste on chocolate...

Yacon (Smallanthus sonchifolia) was a potential plant to be developed: its tuberswere as antidiabetic sweetener, anti hypercholesterolemic, contains antioxidant polyphenols especially chlorogenic acid and cancer prevention; the leaves contain high protein and as an anti-fungal. The main bioactive compounds...

This study aims to evaluate the effectiveness of strengthening methods on reinforced concrete (RC) columns that experience shear failure. The strengthening techniques include the injection of composite cement paste mixed with diatomaceous earth and the replacement and addition of concrete cover using...

In the process of drilling and blasting construction of mountain tunnel, CO gas produced by blasting will endanger the life safety of construction personnel, and the construction progress will be affected if CO emission is not timely. Based on the construction of a mountain tunnel by drilling and blasting...

In recent years, following the enactment of the new Safety Production Law, the port industry has progressively implemented the dual prevention mechanism, which encompasses graded safety risk control and hidden danger investigation and treatment. This initiative has generated a substantial volume of data...

This study delves into the synergistic application of holistic preservation and virtual reality technology in the conservation of traditional architecture. The integration of the comprehensive conservation approach inherent in holistic preservation with immersive virtual reality experiences serves to...

The traditional method of license plate recognition has good recognition for objects in a relatively fixed position and objects with good lighting conditions, while it exhibits low robustness when dealing with varying light conditions and recognizing moving vehicles. In order to be able to accurately...

This paper analyzes the technical features of agent and the main business of aerospace tracking ship tracking and controlling data processing system; establish a multi-agent system model of real-time data processing; take example of USB data processing of trajectory measurement, describes the running...

Energy optimization plan is necessary to ensure the safety, the stability and the economy of the power dispatch. The most common method of energy optimization plan is the day-ahead dynamic economic dispatch by the short-term forecast. However, due to the forecasting error of the distributed generation,...

The structured light stripe images are usually subjected to a lot of noise interference, which will affect the analysis of the image, such as: the center of light stripe extraction and edge detection. In this paper, a denoising method using adaptive median filter and improved wavelet reconstruction is...

A fastener-style tubular steel formwork-support (FTSF) is often used for temporary support during the construction in China for its convenience and applicability. In order to modelling and performing probabilistic analysis of the stability bearing capacity of FTSF, actual data of semi-rigid joint behavior...

Aiming at the security problems and tag's cost problems of RFID ,an improved light-weight RFID mutual-authentication protocol was proposed ,this protocol has proved to be save by BAN logic formal analysis method .Besides ,Security analysis shows that the protocol possesses robust security as well as...

The impact of drawbead resistances on the stamping process of an automobile panel was investigated based on orthogonal experiment. Simulations based on Dynaform were conducted and two optimal objects that the maximum ratio of thickness reduction (MRTR) and average thickness in deformation region (ATDR)...

A mass of ultrafine weakly magnetic iron minerals are produced during the processing of iron ores such as hematite and limonite, and in the most cases these fine minerals are recovered at a very low efficiency, especially for the magnetic particles below 20 m. Pulsating high gradient magnetic separation...

Self-assembly fishbone-like PbMoO4 were fabricated via separation of Pb2+ from plumbeous solution and combining with MoO42- in another solution containing organic dye, based on a supported liquid membrane (SLM) system. The photocatalytic activity of PbMoO4 to degrade the organic dye was measured, which...

Fractal dimension is usually an effective approach that used to describe the nonregular geometry objects in the nature and nonlinear systems. We investigate the fractal characteristics of well logging curves acquired from Liaohe oil field, China. To calculate the fractal dimension of well logging curves,...

Analysis of turbulence on the naphthenic acid corrosion specimens under scouring of 90m/s high flow rate fluid by Fluent indicated that maximum turbulence existed at the center of specimen, the turbulence in other zones decreased nonlinearly with the distance from the center. The average corrosion rate...

With the rapid development of the automotive market and growing sense of security, the requirement of people to automotive safety higher and higher. If used auto infrared night vision system, it can improve the view definition and reduce the occurrence of traffic accidents at night. The infrared night...

Based on the principle of dynamic finite element theory, the horizontal axis wind turbine 600kW tower models were established in this paper to study the dynamic characteristics and influencing factors of the wind turbine tower. The author studied three meaningful vibration modes: lateral flexural vibration...

The influence of different strength (0-1.4T) of DC magnetic field on crystal orientation and mechanical properties of remelting Mg-Y-Cu-Zr alloy reinforced by long period ordered structure were studied. The results show that with the increase of strength of magnetic field, primary phase and second phase...

Pressure vessel is widely used in the industrial engineering and will deform when working in the long time. Large deformation will do great harm to people and property. 3D laser scanning method uses non-contact measuring method and can directly obtain the point cloud data of the mass surface which can...

Home energy optimization (HEO) is an infinite horizon optimization problem, only adaptive dynamic programming (ADP) can solve infinite horizon optimization problem. But due to the existence of time-varying parameters, ADP can not converge to the optimal and can not be applied directly to the optimal...

This paper briefly introduced the BIM technology, the features and hazards of light pollution, combined the BIM technology with the light environment simulation analysis, and further expanded the BIM application, thus it can prevent and control light pollution effectively from the phase of the architecture...

Evaluating local SNR values in noisy speech is very valuable for many applications. Research in this paper investigates the separability of local SNR values which are represented by amplitude modulation spectrogram (AMS) feature vectors. Deep belief networks (DBN) were employed in previous studies for...

A plan of ECG acquisition, analysis and processing system based on STM32 is proposed in the system, and its hardware and software design are completed. The core of the system is ECG acquisition circuit, which is to complete the signal extraction. The system is a typical biomedical signal collecting-...

The construction of service oriented teaching system in higher vocational college English teaching, help to strengthen students' practical English application abilities and translation skills, promote the balanced development of English listening, speaking, reading and writing teaching. This article...

Chemical vapor deposition (CVD) method is employed in the present paper to grow patterned Aluminium nitride (AlN) nanowire array. The AlN nanoarray is grown on Si substrate through patterned polystyrene spheres (PS) colloid template. The microstructure of AlN nanoarray is investigated by SEM, XRD and...

The discrete structural dynamics equation is established for small wind turbine tower by means of Hamilton principle and the generalized displacement method, and the calculation model of natural mode, vibration mode and dynamic response of the wind turbine is also given. Four order natural frequency,...

Comprehensively analyzed the patent laws in 18 Asian countries or areas , studied on the incentive mechanism of the patent maintenance fees system, then put forward some suggestions based on the patent maintenance fees system and the charging standard: The down payment on maintenance fees is of more...

Identification on the comment target contained in online comments plays a guiding role in opinion mining and sentiment analysis. This paper proposes a Directed-Weighted-Network-based model for modeling online comments, which aggregates important information from numerous comments as a whole object for...

The purpose of this research was to develop interactive teaching materials equipped with the IBL-STEM model to boost students’ scientific literacy on the material of the human circulatory system. The research model used is the 4D model which contains 4 steps: (1) Define; (2) Design; (3) Develop; (4)...

In the 3D animation production of Generate, the character model used had an inadequate topology. The animation department complained about the character’s poor deformation, which made it difficult to achieve certain movements. In 3D modeling, topology not only determines the shape of an object when static,...