Advances in Engineering Research

The redevelopment of abandoned coal mine land and the creation of recreation space in cities are two significant elements for fostering urban more sustainable development. This paper presents an systematic perspective on plan strategy making, and examines how Jingxi ACML recreation system may combine...

A 30 m fabricated prestressed concrete simply supported T-beam bridge uses a pile foundation as its lower structure. Owing to the filled engineering spoil at the abutment side, which is higher than the original ground line 11.87 m, 8 cracks formed in the side of 3 pier columns adjacent to abutment within...

The adsorption of xylitol residue in 200mg/L of Cr(VI) solution at different ionic strength was studied. Results show 97-99% of Cr(VI) can be effectively adsorbed when Ca and Na ion concentration was ten time of Cr, and the adsorbing ratio decreases with the increasing of Ca and Na concentration, indicating...

In this work, a sensitive E-DNA sensor based on avidin modified electrode and DNA-functionalized Au nanoparticle (DFNP) was developed. The DNA-Functionalized Au nanoparticle contained two kinds of DNA, one was hairpin probe DNA with a biotin at the 3’ terminal and a thiol at the 5’ terminal, the other...

With the emergence of cloud era, varieties of data resources, computing resources as well as service resources have been greatly enriched by many existing cloud platforms. Although these cloud resources have brought new opportunities for management information system reengineering, we are still facing...

In embedded Internet of Things (IOT) environment, there are the troubles such as complex background, illumination changes, shadows and other factors for detecting moving object, so we put forward a new detection service method through mixing Gaussian Mixture Model (GMM), edge detection service method...

The magnetic fluid large gap of rotary Sealing structure device of megawatt power motors have been designed, and the experimental of this structure was discussed. The results shows that,when the sealing gap were greater or equal to 0.3mm, the pressure capacity of this structure of high power motor can...

With the rapid development of construction machinery industry, especially as domestic rapid economic and social development of the strong demand for engineering machinery, engineering machinery manufacturing industry is facing pressure from various resources saving and environment friendly requirements,...

The genome sequence compression algorithm based on the distributed source coding technology purely is proposed in this paper. In order to enhance the compression efficiency, the genome sequence is mapped into two binary sources and then they are transmitted into two bilevel images. After initialization,...

Based on the concept of traditional workflow and the thought of SaaS in cloud computing, puts forward a new concept named software service workflow. An application system based on this concept was built for processing marine resources automatic. This system put forward a visual customization interface...

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

To solve problems of uneven growth of sprouts due to unevenness of irrigation in sprout production, severe waste of water resources and poor marketability, a sprout tide-type irrigation device has been designed. This device can guarantee sprouts demand for moisture, enable even growth of sprouts and...

To solve the problems of the auxiliary embed in high-speed magnetic levitation equipment, such as can not play the protect role when magnetic bearing out of control, can not absorb the kinetic energy of high-speed rotor and low mechanical precision, a new kind of auxiliary bearing based on flexible mechanism...

The evaluation of standard test blocks plays an important role in nondestructive test, quality of which influences the inspection and production activities. The weak magnetic inspection is adopted, which direct at the common defections including wracks and holes to achieve the quantitative analysis of...

With the increasing of wind turbine unit capacity, heat load of thermal dissipation components of the unit increase greatly. In order to make the unit long-term stably and efficiency operation, the research and development of cooling system with high efficiency and low energy consumption become particularly...

Since the significantly low sampling rate and the determinacy of the measurement matrix, compressed sensing (CS) technique can be used for simultaneous image encryption and compression. However, some problems such as the huge size of the measurement matrix prevent its direct application. We find the...

A entirely corrosion monitoring technology-electric inductance probe sensor technology was introduced in this paper. Its operating principle and probe structure were summarized. Study on the corrosion monitoring technology of the electric inductance probe in betons and bentonites environment. The results...

The limit equilibrium theory is employed to analyze the bottom stability of foundation pit, a method that is used to calculate stability coefficient of resisting upheaval in accordance with deterministic mass property and sliding mode. The deterministic model for the analysis of bottom stability that...

A novel N, N-(4-amino phenyl maleimide) diglycidyl amine (APMDGA) was synthesized from maleic anhydride, 4-nitroaniline, and epichlorohydrin by a few-step reactions via intermediate products N-(4-nitrophenyl)maleimide and N-(4-aminophenyl)maleimide. The chemical structure of APMDGA is confirmed by 1H-NMR,...

Hybrid transmission of doubly-fed wind power plant and conventional power plant is the principal mode of large-scale wind power development and transmission in future, but overall stability of this transmission mode is possibly poor. The paper first analyzes low frequency oscillation of conventional...

Microteaching is an effective method of training teaching skills of normal university students. How to use microteaching to train teaching skill under the environment of information technology to improve the training quality is the urgent research subject at present. The paper analyzes the features of...

In the interference cancellation system, the SAP (Sub band Affine Projection) algorithm is researched commonly, but the step size is given. In order to solve this problem, this paper puts forward an algorithm that can make the step size change with the variation of output error. The simulation results...

In order to achieve the shape finishing and stress reforming of wide stainless steel clad plate after rolling, based on the elasto-plastic straightening theory, combined with the 11-roller straightening scheme, the isothermal residual curvature straightening process is presented. The straightening process...

An approach of fault diagnosis of rolling bearing based on B-spline Intrinsic Time-scale Decomposition (BITD) and Stochastic Resonance (SR) was presented. Firstly, SR was used to reduce the noise of the rolling bearing vibration signal, then the bearing vibration signal was decomposed into several Proper...

Aiming at the problem of large amount of calculation and solving inefficiency when using finite element software to analyze the “whole model” of complex space steel structure, the mapping model method built on the basis of SVM (Support Vector Machine) theory is proposed to reduce computation and enhance...

Melamine can be introduced into environment via various industrial effluents, thus it is necessary to develop suitable analytical methods for determination of melamine in environmental samples. In this work, magnetic graphene oxide (MGO) was synthesized and used as the adsorbent for solid phase extraction...

Considering the errors of the restrictor and the hole in the form of ellipse, the influences of assembly position of annular slit restrictor and the errors value on stiffness coefficient and damping coefficient of hydrostatic guideways are investigated. It is shown that assembly position of the restrictor...

Using the structure, law and dynamic characteristic of function P-sets, the concepts of P-information law and band information law and their generation are given. Then the attribute theorem of P-information, the hiding and hiding theorem of P-information in band information law and the recovery theorem...

The "Compass Navigation Satellite System" is a navigation satellite system built by China, and it is capable of serving the most parts of the Asia-pacific region. Compass Navigation Satellite System is widely used in the field of navigation, in addition to the common applications such as the accurate...

Using sodium dodecyl sulfate/isoamyl alcohol/n-heptane/water as reaction medium, copper chloride as precursor, Sodium boron hydride as reducing agent, aniline hydrochloride as monomer, copper/polyaniline nanocomposite was prepared by the method of inverse microemulsion polymerization. The nano-composite...

Due to the noise and multi-channel room acoustic environment, practical speech emotion recognition remains an unsolved challenge. In this paper, we first study the fractional spaced blind equalizer for speech preprocessing. The noise interference is effectively removed and more detailed emotional features...

Different gestures were identified through analyzing and processing the electromyographic signal(EMGs) collected from the forearm. That in turn was used to control the upper limb rehabilitation equipment. The wavelet denoising was used after filtering the power frequency interference and the normalized...

In order to determining technological parameters of vibratory aging treating for large-sized welding box-section beam structures, kinetic analysis was carried out according to the industrial standard. The natural frequency, vibration mode and the curves of amplitude-frequency were obtained by using Finite...

Section loss and strength reduction of rebar, concrete section damage and adhesive performance degradation between rebar and concrete cased by corrosion of rebar are major factors for reduction column bearing capacity. It studies major reasons for failure of domestic reinforced concrete durability, analyzes...

According to the characteristics of copper belt's rolling process, the roll system's elastic deformation model of Sendzimir twenty roll mill is established, the contact normal stress between the rolls is calculated by using the ABAQUS software and the influence factors of the contact normal stress between...

Multi-angles of facial feature detection is still a challenging research. In this paper, the author proposes a precision head pose estimation method as a condition to improve the performance of regression forests, and decreases the missing rate caused by head deflection. The basic idea is used by locality...

Because of the toxic effects of nickel on human health and ecosystem, it is necessary to detect trace nickel in aquatic environments. A new method was proposed for the detection of trace nickel in water, by high performance liquid chromatography with diode array detection (HPLC-DAD) after dispersive...

A mathematical model is proposed to analyse the optimization method of function chain design solution. In the approach, similarity theory is used to analyse and calculate the Generalized Distance (GD) of two adjacent components in a design solution. The evaluation criteria of sub-functions are used to...

According to the characteristics of multi level and large amount of access of cloud computing services, a load balancing mechanism based on middleware is proposed. The mechanism analyses distributed structure of cloud computing services, and determines the topology and control method of load balancing....

With the quick advancement of the economy and industrialization, human beings have emitted a huge amount of pollutants, so the air contamination gets worse that largely influences the human health, ecological balance and social development. Air pollution, therefore, has become a focus all over the country....

The control rules of fuzzy neural network controller for flexible material path processing tangent following are acquired depending on prior knowledge of designers and experts in previous studies, this leads to the difficulty and error of the preliminary calculation. The paper studies and designs self-organizing...

In the development of today's human science and technology, course content and curriculum system are constantly changing; new concepts put forward frequently; subject border gradually becoming blurred, Course cross and fusion becoming more and more intense in the “Internet+” Environment. Thus, it is...

Main shaft system includes a main shaft, bearings and driving medium. The performance of main shaft system has important influence on the machining quality and the productivity of machine tool. It is the important factors that affect job performance. Main shaft supporting structure, support number and...

Aiming at the special management requirements for maintaining communications lines, this paper develops a remote monitoring system for managing the information regarding the maintenance by considering the condition that maintenance workers from grass-roots maneuvering affiliations are dispersed. Based...

The spatial distribution characteristics of human activity intensity in Libo county are studied in three aspects, including the total distribution characteristics, the distribution characteristics of each township and the spatial autocorrelation analysis based on the calculation of the human activity...

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...