Advances in Engineering Research

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...

In the process of building electrical equipment installation, if there is a certain problem, it not only affects the construction quality of power supply, but also affects the construction safety. This paper puts forward corresponding countermeasures aiming at building electrical equipment installation...

It is of great practical significance to study the new and efficient production methods to overcome the shortage of labor intensity and the low efficiency of the production line under the present situation of artificial palletizing blanks before sintering of brick billet into kiln. This topic is aimed...

Based on the theory of three-dimensional potential flow and considering the combined wind-wave, the motion response and tendon tension response of Tension leg platform with different pretension and number of tendons are studied by AQWA software. The results from analysis can provide some reference value...

Reducing fossil fuel consumption of transportation is one of the key for energy conservation and emission reduction of every megacity. The essential data of this research came from 4 similar kinds of touring coaches including 64 vehicle trips whose cumulative operating time and mileage were 778.8 hours...

In order to study the effect of lateral soil movement on the bearing behavior of the pipe pile, the six pipe piles under different lateral soil movement and different lateral movement position have been tested in lab. The displacement of pile top for the lateral displacement of the soil, the soil pressure...

Two machines driving one propeller, especially CODAD (Combined Diesel and Diesel) has been widely used in marine propulsion shafting for power performance and fuel economy, but there were few researches about the device for shaft vibration. In this paper, based on the independent design multi-functional...

D2D (Device-to-Device) communication is a new technology that allowing terminals communicate directly by reusing cell resources under the BS(base station) controlling.After bringing D2D communication mode into cellular network,and that will cause interference problems.This paper describes the generation...

Results are presented for the silicon carbide (SiC) vertical channel junction field effect transistor (VJFET) fabricated based on in-house SiC epitaxial wafer suitable for power devices. The Normally-off 1300V SiC VJFET device’s current density is 260 A/cm2 and current is 8 A at VG= 7 V and VD = 2 V,...

Breechblock operating force is one of the key test parameters of the shock test bed for gun breechblock system. With the design principle determined, the dynamics principle model of the shock test bed is established based on the virtual prototype technology. The kinetic energy theorem is used to calculate...

The metrological performance of flow meter should be tested under the condition of ambient temperature and humidity changes according to appendix A type evaluation outline of JJG 1033-2007 "Electromagnetic Flowmeter" verification procedures. In order to meet the requirements of the type of evaluation...

Finite strip element theory is applied to the analysis of single cell curved box girder. Firstly finite strip element theory is introduced and stiff matrix of the finite curved strip is deduced. The problem of the element coupling of strip element stiff matrix by using the orthogonal property of harmonious...

Substation is always equipped with electric energy metering system which does not have the function of error remote calibration. In this paper, we introduce the error remote calibration system related to energy measuring devices to achieve two functions: on the one hand is to minimize the relevant losses...

In this paper, according to the principle of Hough transform, using the multi - directional image information of an object to calculate the pixel points of the object in the space, and get the real three-dimensional image from the object surface texture mapping which is composed of pixel points. This...

The protection of drinking water sources is an important part of water pollution control and management in China. Drinking water sources is not only an important source of water for residents, but also plays an irreplaceable role in agricultural irrigation, flood control, power generation, aquaculture...

The research on whether can iron ore tailing improve the compressive strength of alkali-activated slag foaming concrete is conducted. The experiment shows that too little or too much powder from iron ore tailing will reduce the compression strength of alkali activated slag concrete, when powder from...

Coal is the most important resource in China, the number has been more than one-third of the world's coal total. Many problems caused by coal mining are very serious, such as the environmental issues, industrial accidents, resource destruction and other issues .So green mining technology in China's coal...

PEMFC (proton exchange membrane fuel cell) Stack temperature control system is a strong-coupling system with characteristics of time-change, long-hysteresis, uncertainty and nonlinear. The dissertation studied PEMFC stack temperature control used by BP neural network controller which has a good control...

The principle and characteristics of electrostatic desalination technology has been introduced, a small electrostatic desalination equipment has been made by myself with 10 electrode plates, and the spacing between two plates is 10 mm. The desalination of the equipment is better when the DC voltage of...

The buried sewage pipes of a large industrial plant area is deformed and blocked due to soil compression and other causes. The guided boring non-excavation technology is used to safely and efficiently complete repair for sewage pipes. Based on engineering practice, this paper discussed the working principle,...

The selection of ground motions can be developed on the basis of code provisions, and codes provisions are quite similar worldwide, for example, the main prescription is the compatibility with the design spectrum in a specified range of periods, and the minimum set size is typically from 3–7 records....

Key technologies of machine vision detection system for the industrial part are investigated and an intact set of high-speed detection system is developed. On the basis of introducing the entire design of machine vision platform, analyzing the software and hardware structure and fundamental principles...

In the view of the information inaccuracy and additional information in the web page recommendation algorithm of multi similar web pages, the data clustering effect is not satisfactory. In this paper, a new method for the image denoising method based on the rough set of Gauss block is proposed. Firstly,...

To investigate the transient aeroelastic responses of a folding wing during morphing motion, a time-varying aeroelastic equation in state space is presented. The structural model is established based on the component modal synthesis method. A time-dependent transformation is introduced to establish the...

The purpose of this study is to provide an improved design for the hydraulic system of a certain type of hydraulic elevator in the elevator test. This paper is mainly through the speed feedback control scheme to achieve real-time speed correction, adopted the speed bidirectional detection method to establish...

With the thoroughly implementation the of the concept of sustainable development, the electric cars become more and more popular, and as the increasing scale of mobile storage devices, electric vehicles, its ordered charge and discharge is playing an extremely important role in the smooth operation of...

Pile foundation of buildings have not only bear the load from the upper structure, but also bear the earth pressure from the slope, its load transfer mechanism is more complicated. Hence, it is important to study the pile-slope interaction mechanism, and to improve the lateral capacity of pile foundation....

The main drive system using for four-high rolling mill is usually a double closed-loop DC motor speed regulating system—whose performance influences the product quality directly. In this paper, the model specific parameters required for the main drive system are calculated by the method of engineering...

Boiler’s combustion efficiency directly reflects the status of its operation and affects the economical efficiency of the power plant.As we know,what mainly influences the combustion efficiency is the heat loss,and the excess air coefficient is an important factor affecting the heat loss.This paper’s...

Airplane frame parts can form by the method of increasing the transition mould. The main purpose of the transitional surface design is to change the material flow state, and make the material flow is uniform. Mainly studied forming process to a typical frame sheet metal part, analyzed the forming characteristics,...

The fracture problem around the center crack in an infinite transversely isotropic piezoelectric plate under the anti-plane shear stress and the in-plane electric load at infinity is studied. Using the complex function method and undetermined coefficients method, the analytical solutions of the stress,...

Objective: To evaluate the accuracy of CT in the diagnosis of esophageal fistula (Anastomotic leakage). Methods: Retrospective analysis of 186 cases of suspected postoperative esophageal postoperative intracavitary AL patients, 70 cases take oral 60% compound diatrizoate (contrast agent) CT examination...

Stability of high cutting slope concerns safety pass of road at the bottom of slope and has relationship with security and stability of buildings on the top of slope. On the basis of ANSYS finite element strength reduction method, this paper does elastoplastic nonlinear and large deformation geometric...