Advances in Engineering Research

The practicability of the neural network is often affected by the network structure, needing optimization. We introduce the genetic algorithm into the simulated annealing algorithm to propose a new algorithm named the simulated annealing genetic algorithm, which combines the advantages of the two algorithms....

We have demonstrated that self-assembled nanofibers can convert into a chiral state influnenced by external stimuli. This helicity convertion of the nonchiral assembly realizes in a reversible way on heating. Notably, this reversible nonchiral-chiral switching is accompanied by a transition between extended...

At the two embedded solid depth, research on the displacement, bending moment and shear stress of micro-pile composite structure have been studied based on the FLAC3D program. Results show that: micro pile maximum bending moment occurs in the vicinity of the sliding surface, the maxi-mum shear stress...

Based on investigation data on petroleum hydrocarbon (PHC) in June, July, September and October 1980 in bottom waters in Jiaozhou Bay, we analyzed the content and distribution of PHC. Results showed that PHC contents in June, July, September and October 1980 in bottom waters were 0.028-0.147 mg L-1 and...

Thermal power enterprises as the backbone of China's power industry, which relies on the conversion of thermal energy to produce clean electricity, while heat production is an energy consuming process. Implementation of emission reduction is to implement the scientific development and building a harmonious...

With a growing trend of social aging, the issue of “empty-nest” elderly is increasingly serious and children are more eager to keep an eye on the living security of the elderly in real time. In light of the increasing demand on home security monitoring, the real-time performance of existing security...

To the nonlinear model errors caused by the swaying base, unscented Kalman filters and Adaptive Unscented Kalman Filter (AUKF) are designed (UKF) for fine alignment respectively. In this paper, the adaptive estimation principle is introduced into the UKF algorithm. AUKF algorithm can balance automatically...

While fuzzy c-means is a popular soft clustering method, its effectiveness is largely limited to spherical clusters. By applying kernel tricks, the kernel fuzzy c-means algorithm attempts to address this problem by mapping data with nonlinear relationships to appropriate feature spaces. Kernel width...

With the constant development of socialist modernization construction in our country, our country's computer information technology has made effective progress, and makes the world into an information age. People's production and life style experience a series of change. However, with the emergence of...

This paper designed a kind of psychological adjusting feedback control system based on ARM. This system is composed of S3C2410 micro controller and its peripheral circuit. Using the embedded system platform, and discusses when sampling object anxiety and other psychological state automatically to the...

Currently, visual saliency detection has been discovered and widely applied in the field of computer vision and image processing. Recent works have shown that considering human visual system features in image quality assessment will improve the consistence between objective assessment results and subjective...

Wireless sensor network (WSN), which combines the technology of sensor, embedded system and wireless communications, has become increasingly popular and important in our lives. Security is an important issue for WSN. In this paper, we propose a novel method to detect the attacks in WSN. Our method composes...

With the development of the computer, BOW model and SC model are applied to a large number of image classifications, and exhibit excellent performance, which become a hot topic in the field of computer vision. In the paper, we proposed a new framework of dictionary learning. the objective function based...

In this paper, based on the characteristics of the single-layer spherical lattice shell with a zigzag line, a macro program for the parametric design of a zigzag-shaped single-layer spherical lattice shell was compiled using ANSYS software's APDL language. The analysis function of ANSYS finite element...

Elaborated in order to meet the needs of the current hospital information security in this paper.The application of new intelligent information security technology to hospital information security is still very little,the model of intelligent intrusion detection system based on clustering analysis and...

For enhancing the accuracy and rationality of power quality (PQ) evaluation, close value method (CVM) based on the target optimization principle is introduced to symbolize the performance of PQ samples. To tackle with the defect, in calculating close value of PQ samples, that the calculation formula...

As one of 18 national key developing area in China, the traditional water demand prediction methods don’t apply to Gui’an city because of its uncertainties. The paper uses the mathematical model and quota method of water user classification, based on 2012, to discuss the water quota of Gui’an, and the...

Steel production is regarded as a typical multi-stage system given its long process flow feature. In this paper, the quality predictive control features of steel production is studied; a two-phased PSO-SVM predictive control model for multi-stage production is established. In order to solve the model,...

The rapid development of modern economy accelerated the popularity of the car, but also on China's highway construction put forward higher requirements. In order to meet the needs of China's economic development and the rapid spread of the car, in recent years, China's highway construction project continues...

This paper presents a motor fault diagnosis method based on negative selection algorithm. It has the structure of two-level detectors, the first level detector detecting the presence of faults and the second level detector detecting the type of faults. Therefore the first level detectors are trained...

Smart grid is a complete automation system, where large pool of sensors is embedded in the existing power grids system for controlling and monitoring it by utilizing modern information technologies. The data collected from these sensors are huge and have all the characteristics to be called as Big Data....

With the inflationary development of data sizes, the traditional recommendation system the recommendation efficiency of the recommendation system encounters a great challenge. This paper proposes an improved collaborative filtering algorithm. The algorithm firstly implements the clustering operation...

With the increasing use of cloud computing, virtualization has developed rapidly as the key technology. Especially, Docker container technology has become the focus of attention of researchers because of its advantages of easy deployment and high performance. Consequently the research of Docker security...

At present, with the development of society and economy, Transmission and Distribution Project is increasing. Compared with the general construction projects, Transmission and Distribution construction project diversity, fluidity and complexity characteristics. Because of Transmission and Distribution...

Opencast mining is overwhelming in India due to its higher rate of extraction and the higher extension for applying current innovation for augmented production. Opencast mining is the obvious choice for a property with a large area of mineralization exposed or existing close to the surface and continuing...

One infrasonic monitoring network in east-central China is built to study the infrasonic phenomenon caused by spontaneous or artificial events in the atmosphere.Two events of anomalous infrasound waves were recorded at five infrasonic monitoring stations before the Nepal earthquake which happened on...

Influencing factors of electron microscopy spatial resolution and information resolution were reviewed in this paper. The methods to improve the resolution of electron microscopy were discussed from the aspects of choice of electron gun, spherical aberration correction, chromatic aberration correction...

Based on investigation data on petroleum hydrocarbon (PHC) in April, August and November 1981 in bottom waters in Jiaozhou Bay, we analyzed the content and distribution of PHC. Results showed that PHC contents in April, August and November 1981 in bottom waters were 0.028-0.123 mg L-1 and were meeting...

A conventional muffler of internal combustion engine is mostly constructed as a mixture or combination of perforated ducts, baffle or perforated baffle, expansion chamber, etc., and the noise reduction is limited and backpressure is high hence the fuel efficiency is low. In order to solve the problems...

At present, China's economy is developing rapidly, and the problem of traffic congestion is becoming more and more serious. This paper designs an intelligent traffic light system, which can effectively alleviate the traffic inconvenience. Firstly, the paper introduces the whole design idea of the traffic...

Wastewater discharged from printing and dyeing plants on both sides of the Yangtze River seriously threatens the ecological and water security. Direct Blue 6 is a synthetic chemical dye and widely used in textile and dyeing industry. In this study, Pseudomonas aeruginosa HS-DY012 was used as a original...

According to the surrounding environment condition, the rock engineering site condition and the excavation depth, soil-nailing wall as its main form combining with the practical engineering case.the paper introduces the characteristics of the engineering and design soil-nailing wall excavation and check...

The problem of target tracking with the delayed measurements is investigated in this paper. In many practical applications, the measurements may be randomly delayed. In these cases, the standard Kalman Filter cannot be used directly to estimate current states. A novel algorithm based on the delayed measurement...

With the development of society and the improvement of people's living standard, the proportion of building energy consumption has increased, energy shortage and environmental pollution problems have become severe increasingly. Based on the importance of energy consumption quota method for public building,in...

The design process of product is a process that uses engineering connection knowledge to assemble each functional unit, and the essence of which is the application of assembly connection knowledge. In the development of assembly design system which based on the knowledge of engineering connection, the...

This paper is analyzing the impact of Curtain Wall technology for high-rise building style from the views of Curtain Wall technical attributes and history restoring. And it will get the intrinsic link between development of Curtain Wall technology and high-rise building style. Art development was promoted...

With the continuous development of urban construction in China, the urban planning and design are also put forward higher requirements. In order to achieve the regional characteristics as possible as, it is necessary to focus on the regional design in the urban planning and design and clarify the urban...

Thermostat is an important part of car cooling system. In this paper, with the fluid analysis software FLUENT, CFD simulation analysis was carried out on the two kinds of thermostat. The distributions of temperature, speed, pressure were obtained by simulation analysis of flow field of thermostat, and...

The energy storage system (ESS) with isolated bidirectional DC/DC converter based on parameter adaptive fuzzy PI control method is proposed to realize the low voltage ride through (LVRT) of the double fed wind power generation system. Firstly, the mathematical model of doubly fed wind power generation...

With the vigorous development of the national economy in our country, the pace of highway construction is more and more quick, various of grades of highway is constructing, the mileage of highway is increasing, and family cars continue to increase, highway in comprehensive transportation system of the...

We fabricate nearly straight silver nanowires with different width by electrochemical deposition, which is possibly applied on nano- scale circuitry in future. The silver adheres to the underlay of the cover glass, with an ultrathin thickness and slick surface, which indicates that the silver deposits...

This article focuses on the study of the difficult demand forecast of emergency supplies during the emergency relief process. To resolve the limit that there are few parameters available in the emergency relief scene, a gray forecast model with fewer parameters inputted is raised for this issue. To start,...

Aiming at the problem of air charging safe, high efficient and energy-saving with pneumatic gas booster ,a constant pressure air charging system was designed to rapid filling respirator ,and the fire respirator`s com-pressed air bottle fast filling station was transformed into air charging experiment...

The current of excavated-in harbor basin are key issues to the coastal engineering and the ocean engineering. In this study, a numerical model was developed to simulate excavated-in harbor basin current field. Results show that, the current field of excavated-in harbor basin is influenced by topography,...

With the improvement of ranging precision, rangefinder has been widely used in industry development. In order to better understand the rangefinder and improve its accuracy. First, we compares the three kinds of rangefinder for advantages and disadvantages, introduces the principle and advantage of the...

A new symmetrical photochromic diarylethene 1,2-bis(2-menthyl-5-(trimethylsilylacetylene)-3-thienyl)perfluorocyclopentene (1o) based on a dithiophene structure has been constructred, and the photochromic and fluorescent properties of 1 were investigated. The results indicated diarylethene 1o showed good...

Development of the national economy, the demand for electricity has grown exponentially, while the power supply reliability play a key role in economic development, so the reliable operation of the grid also put forward higher requirements. Lightning trip is the biggest threat to the power grid, accounting...

Under the background of social changes of Shanghai in the contemporary times, various types of residential buildings appeared and sudden changes have been made in the living morphology.The paper explores the development process of Shanghai residence dwellings according to four historical stages and summarizes...

In terms of the specific manipulator teleoperation mission in space station, we divided the teleoperation task into three stages, and then collected electroencephalogram (EEG) and extracted the power spectrum and the nonlinear dynamic characteristics in each stage. Also, to guarantee the task safe and...

If the temperature of raw meal to feed into rotary kiln is increased from 900 to 1000~1200 , the solid phase reaction and liquid sinter reaction will be significant enhanced, which will help increase clinker production significantly. Through calcinations condition comparison, this paper studied characteristics...

as an important form of petroleum reserve, underground water seal cavern has the advantages of safety and low environmental protection cost. So water sealed underground structure of the site selection is a vital step, this article through to the domestic and foreign water seal the location of the underground...

Industrial networks, regarded as the core of intelligent manufacturing, mostly are implemented to support various monitoring applications in industrial environments. As such, the low-latency and high-reliability are the vital metrics especially under heavy loads. However, the existing conventional TCP/IP...

To improve overall performance of Boot converter, MIT model reference adaptive control (MRAC) scheme was used to control the output voltage. Average model of the boost converter was built and the principle of the MIT MRAC was analyzed. Modified 2nd-order model was used as reference model to improve dynamic...

This article mainly analyses different representations of bridge seismic damage and their causes, discuss mostly the analytic means of bridge structures’ elastic-plastic earthquake response and the design method of ductile earthquake-resistance. In the end, the developing trends of the method in future...

In this paper, firstly, the non-linear longitudinal modeling approach is proposed based on the geometric shape of the typical structure of the hypersonic vehicle as the research object, combined with correlative hypersonic aerodynamic theories, and then local linear models are established near multiple...

Optimizing the energy structure ensuring the reliability of power supply and improving the utilization of renewable energy sources are the primary objectives of micro-grid power planning. This paper takes wind / light/ storage micro- grid as an example , defines the concept of metabolic capacity to describe...

Environmental pollution due to livestock breeding with organic manure input instead of chemical fertilizers (partially or completely) has become a major concern. This study conducted six combinations of pig manure treatments (25, 50, 100, 200, 400 and 800 kg P hm-2) with half of conventional chemical...

With the emerging power system files, new energy development and widespread application of new technologies, new materials, new equipment, distribution network design are facing profound change. Paper around new situation Xia power system development mode, to achieved distributed power, and electric,...

A novel curvelet-based sub-band selection approach for medical image fusion is presented in this paper using the Parameterized Logarithmic Image Processing (PLIP) model. Both MRA and MRI image have different features, in this paper we use the different frequency band selection fusion rules yield novel...

The unsaturated seepage theory was employed to calculate the seepage field of geomembrane faced sandy-gravel dams with different heights. The influences of the location and size of defect on the phreatic line and seepage flux of dam were analyzed particularly. The results revealed that the change trends...

Because of its profound cultural heritage and aesthetic value, Chinese classical pastoral poetry becomes the fertile ground where spiritual home of descendants inhabits poetically. Its artistic connotation has heuristic origin meaning for the tectonic space of the Chinese perspectives countryside park....

Taking large-span rectangular underwater tunnel as the research objective, numerical calculation model of lateral concentrated smoke exhausting in rectangular underwater tunnel was established by FDS. The adaptability of lateral concentrated exhaust mode in tunnels of variable widths is obtained according...

In order to study the effects of shipboard environment on solid motor grain, the ambient temperature in multi-launch containers were monitored. The temperature and stress fields of solid propellant grain under different ambient temperature were obtained using three-dimensional viscoelastic finite element...

In order to get a real-time, comprehensive and convenient monitoring of the state parameters of the electric vehicle, this paper develops a CAN bus parameters analysis system based on LabVIEW. The system, consisting of P-CAN and PC host computer software, is able to collect CAN message which simultaneously...

This article presents reliability analysis of damping flange from dual mass flywheel. In this paper, workbench software was used to analyze the reliability of the dual mass flywheel damping flange. First, the mechanical model of the damping flange was built based on the dual mass flywheel's force transmission...

The purpose of this paper is to introduce hydroxypropyl-β-cyclodextrin(Hp-β-cyclodextrin) into ozonation, and investigate the oxidation properties of Hp-β-cyclodextrin after ozonation. In this study, Potassium indigo trisulfonate, (Indigo) and 2.2’-azino-bis (3-ethylbenzothiazoline-6-sulfonate, (ABTS)...

Fire accident in grassland is a disaster which endangered the pastoral area of prairie grievously, and the spread of fire accident will cause inestimable financial loss and vast environmental destruction. If we can estimate the extended tendency of fire in pasture land accurately, it will exert a beneficial...

The development trend of the world on a low carbon economy and green safe and reliable operation of the power system of the country's economic development put forward higher requirements, how to respond and adapt to changes in the external environment, to form a functional, reliable, viable mechanisms...

Establish 3-D geometry model including thoracic-lumbar-sacrum, thorax and pelvis based on CT data in IS patient, and then construct a completely finite element model based on the human anatomy. On the basis research on rapid design method of individual brace, simulate clinical spine stress by reasonably...

In this paper, we propose a cooperative transmission framework based on adaptive modulation and coding (AMC) system in multiple-input multiple-output (MIMO) fading channels. We consider the scenario that consists of one source node, one relay node and one destination node, they all equipped with multiple...

With the growing energy crisis, environmental protection becomes more and more important. People put more eyes on research and application of renewable energies. Among them, solar energy has being paid attention and has been affirmed by the whole world for its abundant amount, clean and less noise. However,...

Aluminum has an important position in the economic development of all countries in the world, especially industrial developed countries. Widely used in many sectors of economic and social development. In 2016, the consumption structure of China's aluminum sector is: 35% of buildings, 19% of transportation,...

With the extensive application of LED bulb in life, the traditional artificial assembly production has been unable to meet the current living needs. According to the structural characteristics of LED bulb, the assembly line is designed and the three-dimensional solid modeling and simulation is completed....

In this paper, the through-current experiments of various alloy materials in the analog ground fault state are carried out and the relevant force, heat, electric performance test and analysis have been accomplished too The part alloy materials which meet the requirements of the low resistance grounding...

This essay is aiming at the field of specific applications for aluminum electrolysis, building up a manufacture planning management system based on a kind of factory module as well as MES system platform and the process of achieving plan management. The plan management model covering the entire project...

The British specifications and Japanese specifications are often referred to calculate effective flange width in order to analyze shear lag effect of steel box girder. However, there are some differences between the two specifications. According to the two specifications ,the effective widthes of a simple...

The major issue of spontaneous heating that ultimately results in coal mine fires has long been a source of worry for the mining sector. Industry and researchers are both interested in learning what causes it and figuring out which coal seams are susceptible to spontaneous heating. The spontaneous combustion...

This paper proposes a face-based gender classifier which is based on Adaboost, and selects the face database with different color, angle and illumination. A variety of feature extraction methods are used to reduce the dimension, noise and calculation of the sample, and ensure a high recognition rate....

As an aided tool of sheet metal forming process, the technology of computer simulation can reflect the interaction between the mould and blank dynamically, and the thickness distribution during the whole forming process. In the paper, the thickness attenuation ratio under different key mould parameters...

In this paper the measured blast vibration signal of tunnel between Huaxin station and Huangmugang station of Shenzhen subway line 7 was analyzed, with blasting excavation way of benching tunneling construction method using different maximum charge of explosives. The peak vibration velocity and main...

After the effects of initial cold, take the strength changes of C30 and C50 concrete block and the result of beam test load, concrete strain, tensile reinforcement strain and deflection of the beam for analysis. The result showed that the trends of concrete C30 and C50 is consistent, which are decreased...

Substation basic is equipped with electric energy metering system, but the electric energy metering system does not have the energy metering run abnormal alarm function. This paper introduces a measuring equipment, using the existing data of electric energy metering system by expanding calculation, realize...

This paper refers to the HAPC of 400mm single stand reversible cold rolling mill, establishing mathematical model, simplifying and reducing orders for system transfer function on the foundation of reasonable assumption. This paper also designs PID and LADRC for reducing order model and uses fuzzy adaptive...

As a variety of interference exists in the real-time traffic data in the actual sampling environment and the traffic data is not stable, we do wavelet decomposition for traffic data in this paper. In order to get better de-noising effect, we add the noise to a set of given similar traffic signal, and...

In this paper, the composition, defects and microstructures of titanium ingots prepared by Electron Beam Cold Hearth Melting are studied. The results show that the defects of the titanium ingot are mainly distributed in the final solidified position, The microstructure is mainly composed of dense columnar...

The cavitating water jet is a new type jet with great potential and good efficiency, which has been applied widely in rock crushing, oil drilling, wastewater degradation, industrial cleaning and so on.Cavitating water jet cleaning technology was caused the attention in these years for good cleaning quality...

Distributed power access to change the trend and fault characteristics of traditional distribution network, the existing distribution network protection caused a huge impact. To meet the distributed power of access, protection methods must examine with the grid. After the analysis of distributed power...

Artistic creation is full of randomness,which means occasionality and unpredictability. Beauty created can not be repeated and it is generated by the random and uncertain. In the postmodernism architecture, uncertainty is the mainstream trend of architecture. Also it will be the future direction of the...

In north China, exterior insulation technology is adopted, brings a series of problems such as the lives of outer insulation material and building are different. A new composite insulation block has been put forward to solve these problems. The compressive strength and heat transfer coefficient of normal...

In this paper, a general mathematical model is shown through the mathematical analysis of the magnetic bearing. The linear expression of relationship between the electromagnetic force, the deviation of the displacement and control current of is provided by the finite element analysis, with Maxwell 3D....

We applied the definition and structural model of environmental dynamic value of substance in marine bay and the variables including basic background value, environmental background value, input value and environmental dynamic value in analyzing the change process and change trend of Cd in Jiaozhou Bay,...

Currently China’s water resources have met many problems, such as water resources shortage, water pollution phenomenon, flood and drought coexistence, water ecological environment deterioration and so on. Based on the series of objective facts, this paper from international and domestic visuals analyses...

In order to research the mechanics characteristics of potato stalk buds, Experimental determination of the potato stalk buds 25d bud age compression feature parameters, and the compression strength and the maximum compressive strain characteristics of the single factor analysis of variance test. The...

A region growing algorithm based on fuzzy connectedness is proposed in this thesis to solve the military targets' damage problems that the traditional region growing algorithm couldn't handle properly. In this algorithm, the fuzzy connectedness is regarded as the measurement of level of similarity between...

Two exterior trajectory models of guided bomb in aircraft coordinate system (ACS) and body coordinate system (BCS) are built for simulation and analysis under different meteorological conditions. Simulation errors of different modelling methods are studied and analyzed to verify the rationality of modelling...

This paper presents an improved hybrid multilevel converter for renewable energy generation. Topology and operating principles are investigated. Nearest Level Modulation (NLM) and control strategies under normal and dc fault conditions are studied. A 61 voltage-level model is set up in PSCAD/EMTDC. Simulation...

Sharing bicycles in the settlement of the user "last mile" short-distance travel needs and ease the urban traffic congestion plays an increasingly important role. In order to study the issue of sharing bicycles delivery, firstly, a bicycles’ market demand model considering the age distribution is established,...

This study evaluated the bioavailability of lignite from Shanxi Province (China) via using domestic anaerobic sludge as the source of exogenous flora. After pretreatment of lignite with hydrogen peroxide at different concentrations, the levels of soluble organic carbon and organic acid were increased...

Smart building is the inevitable trend of future architectural development. This paper first introduces the concept of smart building, and then gives the concept and characteristics of BIM. Using these characteristics of BIM technology, we can effectively improve the safety, energy-saving, efficiency...

In the high-speed system of space optical communication, NRZ modulation on differential phase shift keying, 66% duty cycle RZ modulation and 33% duty cycle RZ modulation. By using the Optisystem optical communication software design of DPSK optical communication system based on communication rate in...