Advances in Engineering Research

In order to solve the problem of automatic detection of agricultural environment data, the function of real-time data acquisition and processing and the detection and warning of rice diseases is realized. The networking, ZigBee development and space fuzzy data mining technology and established networking...

The support scheme of inner supporting of piling support is adopted for the deep pit engineering of the access of an underground garage located in muddy stratum of Xiamen, under the circumstance of the excavation depth, area, soil layer and surrounding environment of the foundation pit. The monitoring...

Applying the multi-dynamic theory, a dynamic model of the upper-equipment mounting system of some vehicle is established. An optimization model for the upper-equipment mounting system is constructed, in which the driver's vertical acceleration RMS value and upper equipment vertical acceleration, pitch...

The coordinated development of Economy-Resources-Environment (ERE) is a key component of sustainable development. Based on the connotation and framework of sustainable development of urban ERE, this paper employs the theory and methodology of System Dynamics (SD) to elucidate the economic growth constrained...

The hot deformation behavior of 70Cr3Mo back-up roll steel was studied in the temperature range of 1173-1473K with the strain rates of 0.01-10s-1, respectively. Based on the dynamic material model (DMM), processing maps of 70Cr3Mo steel at the strain of 0.1-0.7 were developed and investigated. The effects...

This paper intends to establish theft Trojans detection system capable of adaptive dynamic feedback learning. To achieve this goal, this paper first studies the characteristics of the network data stream and theft Trojans communication data stream, then introduces support vector machine algorithm based...

The objective of the present work is to study the interactive potential and forces for a diatomic molecular ion in plasma within the dielectric response theory.The results show that the interactive force shows the asymmetric property due to the wake effects. In addition, the force can be divided into...

This paper explains and demonstrates how to get stress intensity factors using different evaluation methods for a 3D plate with a straight through-thickness crack. The methods include interaction integrals, J-integral evaluation and energy-release rate. All results from these methods are compared with...

The repeated movement between the piston rod and the barrel during the process of cylinder impact will lead to leak and shorten the life of the cylinder. In order to research the distribution of dynamic stress and deformation of the piston rod and the bush when the piston rod suddenly stops at the end...

According to the frequency of LTE Band40 from 2300MHz to 2400MHz using for 4G mobile communication distributed by Ministry of Industry and Information Technology of China, a low phase noise, small size and low power consumption voltage-controlled oscillator (VCO) which can be used in mobile phones supporting...

In this study, the microstructure of extrusion welds (including charge welds and seam welds) in a curtain wall hollow profile made of 6063 alloy is investigated using both Optical and Scanning Electron Microscopy (OM & SEM, respectively). The grain size and the morphology, size and distribution of particles...

Melt quality has a crucial influence on the subsequent processing of casting ingot and the performance of the final product. Filtration is one of the most common and important purification methods to remove inclusions in aluminum liquid during melt processing. In this paper, based on the characteristics...

Usual security monitoring of civil airport generally uses fixed cameras to capture images and then to process them. There are some problems with performance including difficulties introduced in the information transmission, storage, and analysis of the process. Insect compound eyes offer a large field...

The semi-empirical and semi-theoretical method is adopted to simulate the response of gas continuous buried pipelines subjected to seismic wave propagation. Using the peak ground velocity (PGV) as the intensity measure, the maximum axial responses (strain or stress) of pipelines are calculated. The seismic...

Aiming at the problems that it is difficult to calculate and establish accurate mathematical model in the structure optimization with discrete variables, the Lagrange multiplier method is proposed to deal with the constrain conditions in the improved genetic algorithm which solved the problems of “premature”...

In this letter, we address the problem of a finite-precision implementation of demapper and decoder with parity likelihood ration algorithm for LDPC-Coded M-QAM systems. By exploiting the inherent property of the variations in bit reliabilities caused by QAM signal constellation, we introduce a novel...

Considering the optimization and multiple service levels agreement, this paper converts the resource allocation problem of Service-Based Software system in the cloud environment into a multi-objective optimization problem. Aiming at the cloud service resource allocation problem, this paper establishes...

Wireless local area networks (WLANs) based on the IEEE 802.11 standards are one of today’s fastest growing technologies in businesses, schools, and homes, for good reasons. As WLAN deployments increase, so does the challenge to provide these networks with security. Security risks can originate either...

A test site in West Kunlun area, China has been established to study the applications of WorldView-2 multispectral data to iron oxide minerals mapping. An iron oxide minerals distribution map was mapped by Spectral Matched Filtering (SMF) technique after the image data had been processed by atmospheric...

For the sake of characterizing composite lightning strike coupling damage, based on the method of continuum damage mechanics (CDM) and phenomenological analysis, stiffness matrix progressive damage degradation model of composite laminate structure with lightning strike ablation damage and mechanical...

In the network design, the choice of the network topology plays a decisive role for the realization of the function of computer network efficiency. The labeling problem of the computer network topology directly affects the network design and communication costs, etc. Generalized ring network topology...

Open arc welders have been used widely nowadays. A welder’s elastic deformation of every link would affect the final welding quality, and here it analyzed working accuracy reliability for open arc welder, taking flexible deformations into account, in this paper. Firstly, a parametric virtual model of...

In the era of low-carbon economy, the traditional electric power industry will be confronted with tremendous changes on its external environment and internal developing model. The electric power industry should also pay closer attention to low-carbon, energy–saving as well as the emission of the CO2,...

This paper focuses on the recent drone and gesture recognition technology, and we try to apply the gesture recognition technology to a drone platform. Thus, a drone system capable of gesture-controlled navigation is implemented. The major components comprising the system are Parrot AR. Drone [1], Kinect...

This paper presents a stability investigation of the water-lubricated journal bearings with rotating or stationary recesses. The dynamic coefficients and stability threshold speed of the bearings are numerically calculated by solving the turbulent Reynolds equation by using FEM. The theoretical results...

Mobile cloud computing has been a popular technology in the market for almost a decade now. However, even as the technology continues attracting more users, certain aspects of mobile cloud computing are relatively challenging to users and developers. These aspects relate to the architecture of the setup...

In order to solve the problem that the cuckoo search algorithm is easy to fall into local optimal value and cannot find global optimal value, propose improved cuckoo search algorithm based on local search optimization strategy. By extreme dynamic optimization algorithm local search operator is introduced...

10mm thick aluminum alloys 5A02 plates were welded using MIG beam in this paper.The MIG weld formation and microstructure morphology were studied,the hardness in the weld were measured, the tensile test were made.The test result shows that the cooperation of welding current,speed and root gap can lead...

On the computer classroom, most students using FTP or shared submit electronic work, but this method can easily lead to plagiarism. In this paper, to solve this problem in higher vocational colleges student characteristics, design and implementation of the job submission system, a great job of avoiding...

In contemporary urban construction, the priority is to conform to the urban development needs in accordance with ecological and low-carbon requirements. At the initial stages of planning a new town, energy planning and analysis, and establishing sustainable energy development strategies are necessary...

This paper focuses on the actuator fault detection for UAV. Firstly, the longitudinal dynamics model of UAV with actuator faults and atmosphere turbulence is given. Based on this, an observer-based fault detection filter is applied for residual generation, and a performance index is introduced, which...

The shape of welded joints directly affects the quality and stability of joints, so the weld shape prediction has great significance and engineering value to for process parameters selection. A mathematical model of fiber laser welding temperature field simulation is proposed for weld shape prediction...

Coal mine blasting equipment library intelligent management to regulate store of blasting equipment through real-time monitoring of blasting equipment storage environment (temperature, humidity, pressure and vibration). Using fingerprint identification to open the door, by computer or mobile phone remote...

Ce doped TiO2 catalyst was synthesized by sol-gel method. This gel was dried at 70 during 2 hours and afterwards was calcined at 500 for 4 h. Then, the anatase TiO2 catalyst power were obtained. The 0.3wt% Ce/TiO2 catalyst is efficient and stable catalyst for the photodegradation on the 2,4-DCP solution....

An independent component recovery approach for intrusion tolerance is proposed in this paper. Virtual Machines (VMs) are used to provide each online replica with an independent backup replica. The recovery of each component depends on the actual service state. A strict execution order is not needed to...

Systems in engineering field are becoming more and more complex nowadays, so how to exert maintenance support for complex systems is a critical problem. As the failure rate of most mechanical products is based on age, the replacement before the failure occurs is an effective way, by which the failure...

With the development of global economic integration and information technology, the IOT technology has wide attention from all sectors of society, as the government also attaches great importance to the research and development of the Internet of things, and now its research and development has already...

This study focus on derivation of such fragility curves using Carbon Fiber Reinforced Polymers (CFRP) technologies retrofitted conventional reinfored concrete (RC) factory buildings. A set of random earthquake waves which compatible with the response spectrum of major history earthquake waves in China...

With the development of multimedia computer technology , interactive projection is becoming an interactive display system and entertainment in people's daily life.Interactive projector based on actual needs, design gesture based feature extraction algorithm Hu moments, identified by SVM classification...

Soft set theory, proposed by Molodtsov, has been regarded as an effective mathematical tool for dealing with uncertainties. This paper is devoted to the study of uncertainty measures of soft sets in the framework of granular computing. The similarity relation induced by a soft set is proposed and the...

with continuous advance in reservoir prediction technology, the requirements for inversion accuracy are higher. It requires that seismic data must have features such as high fidelity, high SNR and high resolution. How to ensure the improvement of seismic data resolution on the premise of not reducing...

The effect of quenching condition such as air cooled (AC) and water quenched (WQ) treatment on the corrosion behavior of 6063 Al alloy was investigated by optical microscope, field emission scanning electron microscope and electrochemical work station. The experimental results showed that the corrosion...

Based on the structure mechanics analysis and fatigue mechanism study for the pin of the folded arm lorry crane, a new fatigue test equipment for the pin of the folded arm lorry crane is developed. The pins are quenched in different hardened layer depth ratio, and then 48 pins are chosen for the fatigue...

The reduction and control of residual stress is very important to improve the surface quality and machining accuracy of the parts. In this paper, in order to reveal the effects of different milling modes and process parameters on the residual stress, the aluminum alloy Al7050-T7451 is used as the machining...

According to the environment control of the joined greenhouse, one method that about the monitoring and intervention of the greenhouse environment with intelligent mobile phone and computer has been proposed. Firstly, the basic structure of the system has been analysed, several short and medium range...

The all vanadium flow redox battery (VRB) has been widely studied and is one of the most compelling storage technologies. Here, A new channel structure, that is, a composited arched flow channel, is presented and compared with rectangular, serpentine channel. Numerical simulations are used to study the...

We constructed the random SA-mixed models based on Sierpinski and 2-dimension Apollonian networks having scale-free properties, and we have shown our random SA-mixed models are scale-free. It is noticeable, adding unchanged motifs doesn't affect the scale-free behaviors of the origin networks. The random...

Considering the low efficiency of manual detection method in photon devices fault checking, a new detecting method by image processing for photon device is proposed in this paper ,through the new method, photon device images are captured by camera which is installed on microscope, filtering ,mosaic,...

Cement-gravel core material with clay cement and gravel as the primary ingredients is a new core material for embankment dam, and it is generally perceived to have broad applications in the field of dam construction since the stress-strain behavior of such core material is between gravelly soil core...

Present edge detection algorithms are sensitive to noises, they may not get ideal effects on image edge detections and results in unclear image edges. To overcome these shortages, a new edge detection model based on the image edge detection method of Sobel operator and theory of fractional differential...

With the development of Internet information technology, all aspects of society are in development to digital, information-oriented. Student management system is widely used in Colleges and Universities. Student management system contains a lot of valuable data, and has not been fully excavated. This...

Spraying microcapsules with polymeric shell onto a solid wall may be a way to fabricate multilayer films. Better understanding of the deformation and breakup of the microcapsule under spraying is of great importance for developing this technique. A two-phase finite element model was developed using the...

Water eutrophication have become serious ecological problems. White-rot fungi have been demonstrated to be a feasible means of control, but the genotoxicity mechanisms involved have not been reported. In this study, Cryptomonas obovata FACHB-1301 was co-cultured with Phanerochaete chrysosporium under...

Because of the complexity and uncertainty of network security, the static and single direction of network security protection has been unable to adapt to the changing network environment. Through scientific results of other researchers, we proposed a push-pull combination and multi index of fuzzy comprehensive...

As the most important part of wind turbine, the safety and reliability of pitch control system is very important. This paper deeply studies three aspects of pitch control system, including pitch controller, servo driver and backup power. At the basis of the control principle of pitch control system,...

An indoor positioning scheme for a moving vehicle equipped with UHF radio-frequency identification (RFID) system is proposed by using Monte Carlo-based algorithm. By evaluating and updating the random sampling positions marked by passive RFID tags on ground, Monte Carlo algorithm can be implemented successfully...

Research on Ontology has been widely applied in the various walks of life, but in the machinery industry it’s comparatively rare. Therefore, it is very necessary to carry on the overview of the application of ontology in mechanical industry. Firstly, this paper introduces the basic concept of ontology...

This paper presents a method for analyzing the tooth contact situations of a heavy-load planetary gearing based on Ansys Workbench. Firstly, a 3D finite element model of the whole gearing is established with 10 node tetrahedron elements. Then forces and loads bearing by the gearing are applied on the...

A sample-and- hold circuit for a resolution pipelined ADC is presented. The circuit uses a fully differential capacitor flip structure to reduce power consumption. Increase the gain by using an olded-cascode amplifier. Based on 0.35μm CMOS process, the Hspice simulation shows that the circuit can work...

TiO2 tablets prepared by pressing mechanism and by planetary ball mill doped Fe, and they have been investigated by XRD, and SEM techniques. The results show that the pure TiO2 tablets has the high photocatalytic degradation rate of Rhodamine B at 500 C, and Fe/ TiO2 0.25 mol.% higher than pure TiO2...

In view of the main fault type in boiler steam water system, a variety of complex fault data are extracted. A wavelet neural network fault diagnosis based on particle swarm optimization algorithm is designed. The wavelet neural network constructed by three-layer wavelet neural network, is trained by...

English writing is the main tool for testing vocational colleges students' English ability to learn and use English, which is also an important reference index to test students' English practical application ability. In order to enhance the level of higher vocational college students' English writing...

Nowadays, with the rapid development of Internet, news is growing explosively. In order to improve the practical value of scientific news, an algorithm of text categorization which is used to classify scientific news is designed. The number of scientific news is 16034, which is gotten from web pages....

The paper proposed an algorithm about volume-calculation and weight estimation of coal stack based on image-processing. In this application system, the laser was assembled on the stacker, so that the scanning data can be collected from the laser with the movement parameter of the machine. 3D point cloud...

Flange joints are common in electric transmission steel tube tower. Flange with stiffening rib usually used, whose structure is complicated and do not meet the economic requirements, but flexible flanges make up the shortcoming in a certain state. So strength of flexible flanges subjected to axial force...

Node localization is an important supporting technique in wireless sensor networks (WSNs). The traditional maximum likelihood estimation localization method (MLE) assumes that measurement errors are independent of the distance between anchor node and target node. However, the assumption may contradict...

Currently,decision scheme often ignores the correlations among the indexes,which will not only make calculation more complicated , but also affect the accuracy of decision-making, even cause huge economic losses. It is unreasonable that it assumed independent irrelevance in information fusion of the...

Perovskite-type oxide SrFe0.5Co0.5O3- was synthesized by citric acid method successfully. The structures of the catalyst were characterized by X-ray powder diffraction (XRD), scanning electron microscope (SEM).Using SrCo0.5Fe0.5O3- as photocatalyst, the photocatalytic properties of degrading gentian...

For its special characteristics of water quality, the biological treatment technology for waste leachate and other special sewage is not yet mature. The study took advantage of the characteristics of the UASB reactor and improved the type of three-phase separator, in order to degrade organic pollutants...

Four composite coatings of aluminum, zinc, aluminum zinc and high aluminum bronze were prepared by low-pressure cold spraying technology on 45 steel substrate. Study on microstructure and corrosion resistance of coating by scanning electron microscopy, electrochemical workstation and static immersion....

In this paper, there are two objectives in the optimisation of thin-walled structure, one of these is to reduce the total mass of the structure, and the other is to ensure the carrying capacity of the structure. The secondary objective, i.e. carrying capacity, is transformed into the optimisation constraints...

Crop straw is an abundant but still underutilized renewable resource. Most of agricultural crop wastes contain about 70% fermentable components. Pretreatment technology aims to expose the fermentable carbohydrates for hydrolytic enzymes and microbes in downstream biofuels production process. An ideal...

With the popularization of computer, computer-aided examination by has becoming the hot topic of studies. In English teaching and testing, using the computer aided test system to test the English ability of students has been a trend. In this paper, computer aided English exam system both at home and...

On the condition of bit stream, for the reason of simple character sets of target strings and Pattern strings, the probability of appearance of absolutely bad character is very low. The bad character shift is not suited for pattern matching, because of it’s low efficiency. This paper gives the definition...

Currently, due to the shortage of land resources, the resource development technology increasingly competitive among countries in the world. Our country is also committed to the development and utilization of marine resources in recent years. When working in the deep sea ,underwater exploration devices...

In the face of the current resource scheduling using the static load balancing strategy in cloud computing environment could easily lead to the waste of resource, the paper put forward a migration strategy based on the big data migration. The strategy will compare the current load conditions, and choose...

Face detection is a key technology in the information processing field of face recognition. The paper proposes a new face detection method to detect the human face. According to the clustering characteristics of Cb and Cr to detect the skin-color, then the image is labeled. The paper summarizes and presents...

Effect of alloying techniques of dollop-like yttrium, as-cast and extruded Mg-Y master alloy in AZ91D magnesium alloy on microstructure and the efficiency of alloying was studied by optical microscopy, scanning electron microscopy, XRD and inductively-coupled plasma (ICP) spectroscopy. The as-cast AZ91D-1.2wt.%Y...

A stochastic reliability model of the drum system of a hang type centrifuge drum is presented using stochastic reliability theory, where the stochastic reliability index and invalid probability of the drum system are determined by checking point algorithm and the system functional functions are built...

In this study, an acid and alkali resistance cationic polyacrylamide flocculants (P(AM-MAPTAC)) was synthesized through copolymerization of acrylamide (AM) and methacrylamido propyl trimethyl ammonium chloride (MAPTAC) by innovative ultrasonic initiation technology. The structure and thermal decomposition...

Interpersonal relationship plays a more and more important role in the real society. The study of relationship research algorithm is especially important .Based on the shortest path of graph theory and combined with the fact of the social network service (SNS) searching, the interpersonal closeness degree...

The bolted connecting is prone to slip results from external load in the transmission tower as the member is thin and the pre-tightening force of bolt is small. The influence of joint slippage is usually considered in the finely analysis of transmission lines tower. In this paper, the joint slippage...

The purpose of this research is to analyze the molding quality and energy consumption of biomass pellet fuel under three compression methods of uniform speed, uniform deceleration and superposition vibration. This article established a discrete element model of sandy shrub particles uniaxial compressed....

Human motion capture is widely applied in engineering bionics, ergonomics, aerospace, military defense, biomedical, sports competition and other fields. However, the human motion capture equipments are less developed in China. This paper presents a human motion capture system based on computer vision...

As people's income level rises and the changes of consumer consciousness, the number of insurance product is increasing, the public enthusiasm for buying insurance is higher and higher, as a result the insurance industry is developing rapidly. At the same time, policymakers should notice when gaining...

With the development of Internet banking and big data, the traditional credit rating in the sample data collection, model development, systems use and other aspects is affected. It mainly appears in the full quantization of data samples and enterprise behavior data which is unstructured, virtualization...

With the increasing demand for network service and rapid development of Wavelength Division Multiplexing (WDM) technologies, Wavelength Routing Optical Networks (WRON) is one of the best ways to realize an all-optical network. Focus on the Routing and Wavelength Assignment (RWA) problem in WRON, a routing...

Sensitivity analysis is a measure of the uncertainty of an analytical model inputs how to affect the outcome, many of the traditional technique uses probabilistic analysis model, this paper contains a subjective variable uncertainty and occasional uncertainty probabilistic sensitivity analysis with probably-box....

In order to investigate the dual effect of initial vacancy concentration and annealing temperature on oxygen clusters′ evolution in RTP-treated silicon wafer during low temperature annealing, an established phase-field model and the optimum design method based on response surface was used to simulated...

Manufacturing Enterprises must confront uncertainty and complexity of production areas consisting of different production elements. The traditional enterprises always rely on manually collected data and barcode data which causes inevitable error and inefficient production planning. While production logistics...

In the traditional lattice tower design process, the effects of bolted joint slippage are not taken into account, which cause great discrepancy between numerical analysis and full tower tests. In this paper, several joint slippage models are presented with considering the joint connection types and number...

Samples of pure phase CuAlO2 and transition metal element Fe doped were synthesized by solid phase sintered method. The phase structure, optical properties and miscellaneous phase formation mechanism were characterized by X-ray diffraction (XRD) and Infrared Spectroscopy (IR) respectively. The results...

A multiple adaptive fading cubature Kalman filter (MAFCKF) is designed by introducing the multiple fading factors to mitigate the negative effects of the uncertainties in dynamics or measurement model. The effectiveness of the proposed MAFCKF was demonstrated and proved by the INS/GPS integrated navigation...

Surface restructure for triangulation discrete data was the preconditions for discrete data to be widely applied in modern manufacturing. Due to using multi-core processors and connected graph traversal access algorithm, put forward a new method of surface restructure for discrete data based on parallel...

In recent years, the issue of environmental pollution has been widely concerned, and a large number of studies have confirmed that the short-term concentration change of air pollution is closely related to the number of deaths per day. As an important cause of death, the respiratory disease is attracting...

During cardiac 3D mapping procedure, the dynamic surface reconstruction of heart chambers helps to diagnose cardiac disease and improve the operation precision by keeping the catheter in place. The paper introduces a new fast dynamic surface reconstruction method considering the distribution characteristics...

Cloud computing is the important form of information service infrastructure and application model in the age of the Internet, is a new generation of information technology intensive development inevitable trend, its resource aggregation and virtualization, application services, and flexible specialization,...

A scheme for WSNs(wireless sensor networks) security is given by dividing sensing circle into sections and using the symmetric polynomials in this paper. Ordinary sensor nodes and heterogeneous sensor nodes are distributed in the circle equally. The keys among sensor nodes are established by utilizing...

It is difficult for end users to configure security models in operation system without technical knowledge, since security models are defined by experts who have security experience. Indeed, there is no complete method to translate user security requirements into implementable security policies. In order...

This article describes the design process of a three-phase AC soft-switching static power supply using discrete pulse modulation (DPM) technology. Firstly, the principle diagram of the static power supply of the combined inverter structure is given. The working principle of the main circuit of the soft-switching...