Advances in Engineering Research

The suspension velocity of tobacco fragment is theoretically and numerically studied in tunnel-type damping machines. The movement of fragment tobacco is described by Euler-Lagrange theory. The proposed model is solved numerically, and the relationship of the shape, size and flow field of fragment tobacco...

A flexible and energy efficient media access control (MAC) protocol is the fundament of wireless sensor networks for oil and gas pipeline systems. This paper firstly analyses the typical MAC protocols, three layers architecture of WSNs, and then proposes energy efficient and delay aware MAC (EEDA-MAC)...

The microprocessor gradually plays a core role in the modern industry and has a wide application field such as remote sensing, data acquisition, temperature control, speech recognition, dynamic detection, real-time monitoring. Application of microprocessor in the industrial test field has three aspects:...

The independent smoke detector play a very important role in the prevention and control of fire. Combine BIM technology with GIS technology to improve the level of emergency services and fire control, reduce fire risk, improve the depth of 3D information technology and the ability of fire warning. Firstly,...

The researches and predictions on seaports freight throughput in China have become increasingly important as the fast growth of Chinese economy and the development of "the Silk Road Economic Belt and the 21st-Century Maritime Silk Road". Extreme Learning Machine, a relatively new neural network algorithm...

ETA (Electronic Travel Aids) is an important method to guide the visual impaired to navigate, in which avoiding the obstacle effectively is the most essential content. A novel wearable ETA system and corresponding algorithms for obstacle avoidance based on binocular stereo computer vision were proposed...

An Artificial Neural Network (ANN) was developed to analyze the automobile Anti-locking Brake System (ABS) simulation model. The linear velocity of wheel and the angular velocity could be obtained through some applications, through them we could calculate the relative slip ratio, the relative slip ratio...

With the improving of the information construction of universities, universities’ network construction scale becomes bigger and bigger, it generally has various types of users, multi-exports network, and internal and external network resources distribution and so on. In order to improve campus network...

The carbon/phenolic resin composites consist of phenolic resin, natural graphite and carbon fiber, were fabricated by hot compression moulding. The effects of the mould pressure on tribological property of carbon/phenolic resin composites were investigated. The results indicated that the hardness increased,...

As a kind of industrial handling vehicles, forklift plays an indispensable role in people's life. Nowadays, in order to meet the needs of the people, the types of forklift are more and more. In this paper, based on already the basic parameters of the push forward forklift in the market, the working device...

To understand the soil environment quality of tea producing region in Plateau Mountainous area, the evaluation model of heavy metals pollution in soil was built by adopting both the single pollution index method and Nemerow multi-factor index method combined with ArcGIS Geostatistical Analyst and Model...

The main purpose of speech enhancement is to eliminate the noise in noisy speech signal and extract pure speech signal, which has important significance to improve the performance of digital hearing aid. This paper mainly studies the speech enhancement technology in digital hearing aids. Using the improved...

In this study, X-ray photoelectron (XPS) was used to investigate the sulfur existing forms and transformation of dewatered sewage sludge which collected form a wastewater treatment plant using A2/O process in different seasons. The S2p spectra obtained curves were resolved into 6 peaks: sulfate-S(170.0±1.0...

To study the adaptability of freight transport supply and demand structure of urban agglomerations, the mechanism of demand and supply of freight transport in urban agglomeration was studied and the theory of freight transport structure of urban agglomeration was put forward and demonstrated. First,...

A new binder system was developed to produce Magnesia-Carbon matreials in a cold batch process. The binder system comprises a liquid carbores and a high-melting carbores powder. Both components are graphitizable thus leading to an anisotropic carbon system resistant to spalling and oxidation. The system...

Targeted at solving slow rate of convergence in the current genetic algorithm, an improved genetic algorithm is put forward in the article. The current genetic algorithm is improved by adding the best fit decrease algorithm to generate individuals into the initial population, conversing the preservation...

Photonic crystals with liquid-crystlal materials are extensively studied for their tunabilities. However, until now the studies mainly focused on the tunable photonic band gap properties. In this article, the tunable self-collimation in liquid-crystal-filled photonic crystals is discussed in detail....

In this paper a control system that automatically detects the center and makes hole is presented. This control system comprises two subsystems: the Master Subsystem and the Control Subsystem. The Master Subsystem is mainly used for data processing including least squares analysis and then the result...

This paper introduces the research status of the self-balancing car both at home and abroad and expounds the technical points of self-adjustment detection and the torque ripple as well as its suppression, compared characteristics of existing technology and methods, which provide theoretical evidences...

As the network has become an important platform for people to exchange information, online learning is becoming one of the human’s main channels for learning. In order to improve e-learning efficiency, the establishment of personalized recommendation system has becoming an urgent problem. At the same...

Aimed at the bottom of the oil field water flooding, the upper for low permeability thin poor reservoirs developed blocks. If poor vertical wells encryption mining benefit, using horizontal well development of the economic benefit is remarkable. Through the establishment of three-dimensional geological...

Based on one-sample special CNC machine tool, the failure distribution function and failure rate function, whose failure data have been analyzed by experiment, are determined in this paper. The special CNC machine tool time of which are in early failure or haphazard failure can be judged in terms of...

Based on the molecular motion and collision law of the gas in the aerostatic guide way of inflatable support area, proposed the stratification theory of the gas film, the gas in inflatable support area was divided into near wall layer, thin layer, continuous flow layer along its height direction, proposed...

Aiming at the uncertainty of the results obtained by using single sensor and single algorithm in the process of machine state identification, the DS evidence theory is introduced. Firstly, the basic probability assignment (BPA) is constructed according to the classification results of the support vector...

Since the number of electric vehicles is increasing rapidly, there is urgent need to nurture this emerging industry’s business ecosystem. The livelihood of an EV business ecosystem is important to different ecosystem participants: industrial participants, government agencies, industry associations, customers,...

There are a lot of iron particles in the steel slag powder that can be recycled. In this work, the technological parameters of dry magnetic separation were optimized and the screening processwas used to replace the traditional magnetic separation process by low-intensity magnetic field.Somore than 80...

Different from traditional forming process, sheet soft punch process uses only a rigid die and the other tool set is a flexible medium, such as natural or synthetic rubbers. Soft punch stamping process for flow channel in stainless steel bipolar plates of the proton exchange membrane fuel cell (PEMFC)...

LM566 is a monolithic integration VCO chip of integral-Schmitt Trigger Circuit type. It is the modulator and demodulator in teaching of FM circuit. Its operating features can be displayed vividly on software platform through simulation the chip to facilitate quantitative analysis. As there is no model...

Digital transmission of analogue signal has many advantages and now has been widely applied in various fields of modern communications. Sampling theorem is the theoretical basis of digital transmission of analogue signal, and the sampling and recovery of signal play a particularly important role. This...

It put forward the embed data process technology based on difference rule and Frames mould process environment construct technology, constructed command display data difference process component. It accomplished the process and display for disparity data form information for the experiment information...

Streaming media is a, downloading while playing, immediately streaming technology that used in the continuous time base media streaming transmission technology to transmit data stream. This article is based on streaming media technology research, provide a new research scheme for the video of college...

Distributed data stream processing systems(DSPS) are widely used in real-time massive data processing scenarios for its characteristics of real-time and high throughout. In the real-world DSPS, the fluctuating arrival rate of the input data leads the consuming computing resource of DSPS to be time-variable....

Student Research Training Program is set up by colleges. This paper introduces the student research training program "design of the intelligent monitoring system for university dormitory". The intelligent monitoring system based on single chip STC12C5A60S2 consists of signal measurement module, the clock...

Space launch offshore measurement is an important part of space launch, in order to overcome the survey ship shortage for space launch tracking tasks , task scheduling method research is most needed. The space launch survey ships at sea measurement task scheduling problem described analysis to establish...

Aiming at the difficulties of modal concentration and high degree of freedom in the damage identification of the truss structure and the good fault tolerance and robustness of the BP network, based on the theory of the change of the modal parameters of the truss structure before and after the damage,...

In order to liberate “three unders” mining and improve the relationship between enterprises and government, maintaining the harmonious and stable order of mining area,on the basis of full investigation demonstrated, Yuyang coal mine had bring in a practical way of filling mining. In the practice of filling...

In this paper, the fuzzy control strategy based on the sliding mode control scheme of active suspension is added. During the simulation section, passive suspension model, the sliding mode control model of active suspension and the fuzzy sliding mode control model of active suspension were established....

Through the research on low-pressure casting, combined with structure of aluminum alloy, this paper introduces the typical system design of low pressure casting process, including the designs of feeding system and exhaust system. The control techniques of the process parameters which include filling...

By default, OpenStack scheduling policy is random scheduling, without considering load balancing of the resource pool. This paper proposes an elastic and effective cloud-based solution in online education. OpenStack integrating with Cloudify is used to build the cloud. An elastic scaling approach of...

It put forward software multi-state customize preservation technology, which accomplished software multi-task mode quick switch and recovery, and actualized the goal of executing dissimilarity satellite model task alternatively for experiment information surveillance display software, by applied reflex...

Electrolytic codeposition technique was adopted in the deposition of NiCo-SiC coating on the stainless substrate, using nickel alloyed with iron as the binder phase with SiC as dispersed particles. The results indicated that the deposit with SiC nanoparticles was level and compact; the crystal-planes...

With the great-leap-forward development of credit card, risk is also showing a trend of gradual expansion. Based on pre-control methods of damage control and Visual Basic .NET, the paper designs and implements credit card risk control system to provide information means for credit card risk control....

The devices based on dopant bis[2-(4-(2'-ethylhexyloxy)phenyl)-5-trifluoromethyl- pyridinto-C3, N] iridium (acetylacetonate) (EHO-5CF3-ppy)2Ir(acac) were fabricated by spin-casting and depositing technique. The dopant was chosen at the different concentration (2 and 8 wt. %) and doped in host materials...

The energy balance of system is one of the basis for the dynamic design of machine structure. The paper applied finite element technique to machine dynamic design based on the energy balance, in view of finite element model of machine dynamics structure, mean squared deviations of various energy distribution...

To replace steel slag for natural sand completely, the mix proportions of steel slag in concrete was adjusted according to tab density and replacement ratio of Metakaoline/Cement were established. And then testing for slump, setting time, and compressive strength was conducted. According to test results,...

The power wireless broadband communication is one of key support for smart power distribution and utilization networks, which is usually at the end of the power system communication network and deployed in where the optical fiber communication is not easy to achieve. In this paper, we design an application...

Micro film, as a new pattern of artistic dissemination, breaking away from restrictions and fetters during creating, can reflect the epitome of every director's dream within a short period of time. It's becoming more and more necessary to get a micro theater chain to provide offline opportunities to...

Bulk Amorphous alloy generates slag at the bottom of the cutting section during laser cutting, which decreases the quality of the cutting process. It’s very difficult to be cleared with adjusting the parameters of the cutting machine only. The paper takes the pattern of cross nitrogen blowing during...

This paper mainly studies the steering and speed cooperative control system of electrical vehicles, and establishes relevant mathematical model. A control approach is proposed by combining adaptive smith predictor and fuzzy PID controller. The results show that the adaptive smith-fuzzy PID controller...

Today's society is a decade where new thing and new ideas were popular. With the suggestion of "Internet +", the education is also gradually catch up with the pace of the times, it thrives in the network-based cloud computing environment. Based on the "Internet +" and the cloud computing environment,...

Due to the complexity and variability of PPP projects, the necessity of post-project evaluation is clarified.By comparing with the post-evaluation model of general construction project, the content of evaluation system after PPP is analyzed.From the evaluation of the post-process evaluation,benefit and...

In 3D games, pathfinding function is very common. The design can not only let the game player need not control the main body role through the keyboard and mouse blindly and arrive at the designated location more quickly to complete the task, but also can active AI roles and make the games fun to make...

Influence of grid on peak of Heat Release Rate (pkHRR) test of cone calorimeter was researched, in which cotton, flame-retard cotton, PET, and flame-retard PET fabric were used. Results show that coefficients of variation (C.V) of pkHRR values of cotton and flame-retard cotton were reduced from 8.5%...

The rollover warning system based on 3 degree of freedom(DOF) rollover vehicle model, which designed lateral-load transfer ratio as the control objective, additional yaw moment got with fuzzy control algorithm, distributing braking force to the wheel according to differential braking. The typical conditions...

Many red fluorescent materials were weak and even no luminescence in solid state due to concentration quenching. So a novel red fluorescent pigment bis(4-(N-(9-phenanthryl)-3,5-dimethyl- phenylamino)phenyl)fumaronitrile (PhMPAFN) was synthesized. PhMPAFN with a pair of antiparallel dipole suppressing...

In this paper, a method is proposed to design the optimal vehicles routing scheme for the logistics distribution. By taking the distribution cost as the objective, the vehicle routing optimization model at the case of many clients and one distributing center is established with some reasonable assumption....

In order to make a research on the vehicle's ABS and AFS system, the fuzzy neural network controller was designed on the basis of the electric vehicle's steering and braking models. Then the genetic algorithms was used to improve the parameters of the membership function. For the purpose of the stability,...

With the increasing scale of issue, the list planning performance remarkably decreases in the three-step method. To solve this issue, an improved granular algorithm is proposed in this paper for the C2 model design. At first, the adaptability measurement of model is optimized from the perspective of...

Spring is to solve the common problem in many J2EE development, and can replace strong lightweight framework in the EJB technology. Based on Spring development construction project cost system, to improve the competitiveness of building enterprise and information technology services. First of all, based...

The article describes a hypotenuse-height deviation compression method of magnanimous point cloud data based on hierarchy. Firstly the point cloud is stratified into several hierarchies which turn into linear point clouds, then compressed by using hypotenuse-height deviation threshold. By experiment,...

The paper mainly introduce the intelligent network teaching platform designed and implemented by university computer foundation course network learning platform oriented to language c # and based on NET structure, which is connected with ASP.NET technology and ADO.NET technology. This network learning...

The flowing condition and the pressure on inner surface of ethylene in the 90°elbow pipe were simulated by means of FLUENT software, on the condition of 4 kinds of fluid density , fluid inlet velocity v, fluid outlet pressure P0, degree curvature k=R/d respectively. The database of elbow pipe pressure...

The small-sized drilling rig such as XY-100 is widely used in survey engineering. With the development of underpinning technique, more and more micro-pile should be drill near buildings and structures. The higher rig shelf should be upgraded for suit with limited space. The excavation of deep foundation...

Based on the ideas of risk classification and hierarchical supervision in risk management, the paper divides enterprises into several levels according to enterprise risk and other relevant factors, and establishes an index system of enterprise risk class evaluation through carrying out the work of expert...

Choosing proper earthquake ground motion parameters is important to establish a relation between strong ground motion and the earthquake damage. In this paper the statistical relationship between ten ground motion parameters and simulated mean earthquake damage indices of simplified masonry structures...

Ellipsoidal silicon nanoparticles were prepared by using the mesoporous silica as raw materials via an magneisothermic reduction reaction with the temperature program control method, while the sample get the corresponding ellipsoidal shape of mesoporous silica. The properties of the ellipsoidal silicon...

Recently the topic of Cloud Computing use is considered to be a burning issue as this notion is rather new and still not studied enough. Therefore, its advantages and disadvantages are currently discussed by the specialists. According to the definition, Cloud Computing is “a model for delivering information...

Focusing on the power decreasing of large-scale applications in network-on-chip, this paper proposed a modified genetic algorithm based method on low-power mapping. With communication weights of task nodes and structural features of mapping platform, this method acquired better initial mapping solution...

fiber-optic communication has become the primary means of information transmission nowadays. As the carrier of information transmission, the fiber optic cable has a variety of laying methods such as the direct burial, pipelines, overhead laying and so on. In this paper, starting from the current status...

In order to facilitate decision relation of nodes, support dynamic updates and improves the speed for XML data query, etc, this paper proposes a XML document indexing structure model based on binary tree encoding. The XML document tree uses trigeminal linked list of binary tree structure to encode nodes....

Particle swarm optimization (PSO) has been a popular research area in artificial intelligence technology, where the two issues of theoretical analysis and premature convergence have been the focus of attention. However, due to complex dynamics in particle swarm, the former has been conducted only in...

In order to extract detailed edge information, a multi-scale fractional differential edge detection algorithm is proposed in this paper. Firstly, the G-L factional differential is applied to enhance image with two different fraction differential orders (one is small and the other is big), then, the edges...

This article used CFD method to simulate features of air organization in dome cinema in summer, and analyzed the temperature field, velocity field, and comfort under different designs of ventilation. The result showed that using ground air supply in large space building could be easy to satisfy the thermal...

Construction project cost management is an important part of the construction project management, for the problem existed in the traditional construction project cost management developing construction project cost system to improve the level of management and information. Based on the DB2 database management...

We report a facile method for the synthesis of cuprous oxide nanocrystals with three different structure. High surface roughness spheres, self-assembly layered Cubic and snowflake nanocrystals can be synthesized directly by hydrothermal method. F127, CTAB and EDTA was used to be a precise control of...

In this paper, several technical problems were conquered, such as synchronous collecting measurement data, calibrating the beam’s space position of optical probe, and unified coordinate system,ect. Finally, the non-contact coordinate measuring system was built by using Pearl1298 CMM and optical probe...

There are many factors involved in the planning and design of high-rise buildings. This paper has analyzed requirements related to the planning and design of high-rise buildings and put forward the strategy of combining BIM with GIS technology in its design. Such a collaborative planning and design approach...

Distance measure of intuitionistic fuzzy sets(IFS) is a measure of the difference sizes between two IFS. The original distance measure definition is modified in this paper, the new distance measure definition and a new distance formula of IFS are provided. Pattern recognition method based on distance...

The finite element model of rotor-bearing system in large tube compressor based on the beam element which can be used to analyze gyroscope effect is established and the bearing parameters changed with rotation speed are considered. The first and second critical speed of rotor-bearing system can be found...

Separator is an essential component of battery between anode and cathode, but the commercial micro-porous polyolefin separator can hardly satisfy the continuously increasing battery energy densities due to its poor mechanical stability, low wettability, and limited electrolyte uptake. Poly(vinylidene...

A low power discrete cosine transform (DCT) architecture is presented. It is implemented through Loffler DCT based on the coordinate rotation digital computer (Cordic) algorithm and the canonical sign-digital (CSD) multiplier-less architecture. The synthesis results show that the proposed 8-point one-dimensional...

In order to improve the efficiency of XML document query and support XML document dynamic update, etc, this paper proposes a dynamic prefix encoding scheme based on fraction (DPESF), which uses the unlimited extensibility of fraction to implement XML document dynamic updating without the second encoding...

Industry 4.0 system generates vast amounts of data in the Operation and Maintenance process. To explore the value of these data is the key to achieve the goals and values of Industry 4.0. This paper discusses the various application scenarios of Big Data for the Operation and Maintenance process of Industry...

Due to the establishment of current maritime satellite communication link is often used communication on the move system, but it often does not apply to the offshore mobile small platform, and the current research in this area is less. This article first on the basis of dynamic simulation of the motion...

Performance-price ratio, safety and tensile mechanical properties of the new 3-strand fishing PP/PE composite monofilament rope (“PP/PE composite monofilament rope”) were studied in this paper. PP/PE composite monofilament rope was made with the fishing polypropylene/Polyethylene (PP/PE) composite monofilament...

DEFORM-3D is a finite element method (FEM) software that can perfectly simulate cutting process of materials. In order to research the cutting process of titanium, using DEFORM-3D software as a platform, through FEM on modeling and simulation to the cutting of TC4, the influence rule of cutting depth...

Multimedia technology is to point to by computer to text, data, graphics, images, animation, sound and other media information integrated processing, the user can through a variety of sensory real-time information interaction with the computer technology. Japanese multimedia hearing system is designed...

With depth increasing, mining environment of underground metal mine become severely, for the purpose of obtaining higher efficiency and safety in mining process, based on the framework of EPC system network to establish a completed efficient intelligent system for underground metal mine exploitation...

A triaxial compression test was carried out to investigate the effect of ultra high molecular weight polyethylene (UHMWPE) on concrete’s behavior, in which four kinds of fiber volume fraction (0%, 0.3%, 0.5%, 1.0%) and five kinds of confining pressure (0MPa, 3MPa, 6MPa, 12MPa, 18MPa) were designed. The...

The vibration analysis model of slab mill is established in this paper according with the multi-body dynamics theory. The relationship between the vibration displacement and time of the roller in different conditions is obtained through simulation analysis. Under different damping conditions, the vibration...

A graded composite strip with elastic variation in span direction is investigated in the paper. So far, studies about materials variation in span direction are rare. Here, the strip is treated as a plane problem, and the modulus varies exponentially with span direction, and Poisson ratio is constant....

Due to limitation of the optical fiber communication network coverage, the wireless technology is usually adapted to meet the requirement of applications in the smart grid transmission and distribution. In this paper, we study the electrical communication with integrated access technology to establish...

According to the characteristics of Three Gorges reservoir ecosystem in Chongqing of China, the index for potential capacity of ecological environment is amended for early warning evaluating the ecological security in 22 counties of the Three Gorges reservoir. Capacity of ecological environment was ranked...

Firstly, based on the theories and methods of acoustic intensity measurement, the surface radiation noise of the rear driving axle of minibus was tested in the bench experiment. With the analysis of the experiment data, sound power was calculated to plot the noise distribution of the rear driving axle....

In this study, Ansys was used to build a detailed finite element model of the steel latticed arch. The multi-scale model was adopted to analyze the behavior of the steel latticed arch and the finite element analysis results were analyzed comparing with the element beam model. The conclusion can be obtained...

With the rapid development of internet, all kinds of information increases exponentially. It is different for users to find their requisite information because of the widely distributed information of internet. In ordered to provide timely, conveniently and efficiently to farmers the interested agricultural...

Quadrotor Unmanned Aerial Vehicle is a kind of UAV, which is disturbed easily and has nonlinear and strong coupling characteristics. In the paper, the model of Quadrotor Unmanned Aerial Vehicle is presented, then the adaptive sliding mode control laws is designed based on the model. And the disturbance...

In order to study the surface ripples caused by outer ring vibration, we took the outer ring raceway and rolling body as the research object of the contact. The surface corrugation of the inner ring or outer ring would cause a periodic change of the distance between the inner and outer ring raceway....

Routing affects several protocols and impacts traffic analysis techniques. In this paper, an identity routing symmetry (IRS) metric is proposed to express network routing and its formulation is derived, which the forward and reverse flows coming from one node to another are exactly the same. IRS in three...

Architecture technology is development model based on some sort of application, offers a wide range of software reuse to provide a unified software development kit for developers and model architecture. First, research the infrastructure consists of Core layer, organization layer, communication layer,...