Advances in Engineering Research

Quality evaluation of bridges stopped building for a long period in highway extension projects is not only critical to re-recognize quality (precondition for follow-up construction) but to adopt treatment measures for bridges. Nevertheless, studies on this issue are quite few at home and abroad so far....

Calendar service protocol stack consists of four protocols: WebDAV, CalDAV, iCalendar and jCal. The basic functions of calendar service include personal planning, schedule sharing, events reminder, invitation and data synchronization among platforms or devices. Calendar service has a lot of commercial...

A Monte Carlo reliability simulation method based on T-S fuzzy fault tree model is proposed to solve the problem of hydraulic system reliability modeling and simulation. Firstly, a reliability analysis model of hydraulic system based on T-S fuzzy fault tree model is established. Secondly, based on the...

This article starts from the actual demand of Power communication access network construction, and proposes a wireless access method of Radio over PON. The method divides the wireless access system into RRS(Radio Remote System) and RCPC(Radio Central Process Center), which can effectively improve the...

In recent years, with the development of fish cage aquaculture technology, the traditional way of bait casting cannot meet the growing demands any more. As fishes feed with certain regularities, it is important to acquire the feeding conditions of the fishes. Through analyzing the images of fishes feed...

To improving the NVH (Noise, Vibration and Harshness) performance of vehicles, the NVH performance of exhaust system must be considered. As hanger is the main vibration transfer path and hanger isolator is the crucial vibration isolation components, it is necessary to study hanger location and stiffness...

With computer technology in power system applications, power system gradually automated upgrade, effectively improve the efficiency of the system operation and improve the efficiency of the power companies. At the same time the realization of the power system automation can make the power system be normal...

In this paper, one calculation method based on field-circuit-network coupled co-simulation is presented. Compared with the traditional simplified transformer model, this transformer model takes the nonlinear factors into account, and the accuracy of the simulation results will be improved. The transformer...

Microneedles have been made from silicon, glass, and metal. Nowadays, many promising technologies are focused on polymers since they are biodegradable, biocompatible, and easy to fabricate. They can penetrate safely in the body, providing a drug distribution method and eliminating the risk of the needles...

Accidents on horizontal curves cause a significant amount of pain and suffering to those involved in the accidents because of the nature of the collisions. Curves are necessary and important elements of every highway. Implementing strategies designed to improve the safety of horizontal curves will help...

In linear observations, i.e., a system of linear equations ( ), the hard thresholding pursuit (HTP) is used to find a sparse signal. HTP is an iterative algorithm that has been found many applications in compressive sensing, due to its good recovery performance, which includes linear convergence speed,...

The distinct effects of rock joints and the initiating firing pattern on the consequences of blasting in terms of rock fragmentation and generated ground vibration are both substantial. The integrated consideration effect of rock joints along with the spacing burden ratio and firing patterns, which enables...

Now, the problem of energy and environment has become a major problem in Jiaodong Peninsula area, affecting local development and future. Energy and the environment have become the bottleneck of economic development in Jiaodong Peninsula. This paper selected a typical city of the Jiaodong Peninsula,...

In this paper, we study the solutions for the fractional boundary value problem (1), where is a real number. Define a new cone to solve the difficulty. And investigate solutions for the problem (1) with a sign-changing Green's function. And will re-search the sign-changing solutions.

With the rapid development of tourism, scenic area has gradually become the destination of choice for most tourists. But the rapid development in scenic areas at the same time, the problem of the harmonious relationship between area and the Aborigines have become increasingly prominent, seriously affected...

In light of the increasingly tense urban construction land, this paper offers an in-depth research on the land-saving measures for the tramcar depots and puts forward the related suggestions with a view to fulfilling the target of saving land resources and building conservation-oriented tramcar depots.

In order to realize the intelligent scientific farming, multimedia rice production intelligence system was developed. The study to the water in the rice planting, fertilizer, soil, pests and diseases, weeds and other field management as the breakthrough point, using computer technology to realize the...

This paper provides an in-depth study of the relationship between series compensation network and system power loss, and the efficient transmission efficiency of wireless energy transmission systems.In this paper, the S-S series compensation network is taken as an example, and by studying the characteristics...

In this paper, "the board by force" plate girder bridge as the research object, proposed plate girder bridge Fissure assessment index grading disease;introduced without disrupting traffic hinge joints reinforced plastic injection force veneer bridge construction technology; for a 5-15m hollow slab bridge...

Supermarket chain supermarket fresh agricultural products logistics has always been the main reason for increasing the cost of supermarket, on the basis of information system theory, the modern computer technology is used to build information platform, improve the supply of fresh agricultural products...

According to the application demand of the present water supply system of the Internet of things, designing the high precision liquid level measure and transmit circuit,especially,for the requirements of pressure measuring range and linear precision,using for pressure measurement and control of modern...

Focused on the dynamic and static performances of a nonlinear time-variant system with large delay-time, and the shortages of great control deviation and slow rate of regulation in the traditional PID control systems for injection molding machines, this paper has established injection molding machine...

Nowadays, accelerated urbanization and improving living standard have brought some unexpected negative influences, making modern citizens more suffered from chronic diseases. On the other hand, with the innovation of information technology, Web 2.0 is able to provide an accessible and unobstructed channel...

The delay precision of common detonator is not good, the actual time delay often have big difference with blasting design in real blasting engineering, and the blasting effect is difficult to control. While high precision digital detonators are instead of chemical drugs by original electronic control...

In order to clear and define the influence of slope factor for the construction of sandy shoal, the research presents developmental process of sandy shoal through flume simulation from the perspective of sedimentology forward modeling. The experiment is divided into three groups by using the method of...

According to the boundary integral equations, numerical simulation of wave scattering around a cavity with a circular cross-section embedded in saturated soil is obtained using integral transform methods. The numerical results of this study show that the dynamic stress concentration and pore pressure...

Power infiltrate every corner of social development, has become an integral part of the scientific progress and development ,and improving quality of people's lives, and it is the era of progress closely. Electrical penetration in various fields has laid the power position in the social development....

In this paper, heat characteristics, energy conversion efficiency and energy transmission distance of electric hot air de-icing device are researched. Thermal energy conversion formula of jet bushing of hot air device is obtained. Finite element analysis software is used to establish the computing model...

Low Reynolds number k turbulence model is gained by modifying the standard k turbulence model, it applies to the whole fluid region. This case was studied six low Reynolds number k turbulence model and standard k turbulence model in FLUENT14.0 for numerical calculations near-wall shear flow,through comparing...

Based on the characteristics of development of green campus construction in China, firstly the standards and guidelines green campus's construction made by the central and local government were introduced. The existing problems in the current standards and guidelines are pointed out through the contrast...

This paper presents the design of a 6GHz track-and hold circuit with input bandwidth. The track-and hold circuit adopts the design simulation of HBT process, able to work at a sampling frequency of 2 GHz, the highest sampling frequency can reach about 2 GHz. The SFDR of the track-and hold circuit can...

The purpose of this paper is study soft landing strategies of the lunar craft during landing on the moon. On the basis of the fixed selenocenter coordinate system, we set up a braking coordinate system in the main reduction stage. Build the centroid-based dynamic differential equation model to describe...

Establishing a mechanism of urban green-space planning and setting up an efficient ecological green-space systems for coping with fragile grassland ecological environment are urgently needed in Inner Mongolia region. This study chose Kangbashi as a research object to set to study as follows: identifying...

Personnel files management is the fundamental work of human resources management in colleges, whose modernization and informatization construction should have a significant role in promoting human resources management in colleges. However, currently, the construction of personnel files informatization...

With the development of the stage lighting industry and pattern recognition, the stage lighting console can learn from the algorithms in the field of pattern recognition to make it more powerful and more flexible. In this paper, the BP neural network is summarized as a carrier, and the BP neural network...

Since SF6 has high liquefaction temperature, the reliability of GIS, GIL and other gas insulated electrical equipment is reduced, and the maintenance cost is high in areas with high latitude. Therefore, applying mixed gas of SF6 and N2 as an insulating medium can reduce the liquefaction temperature of...

The classical MEKF algorithm represent the estimation error vector in the estimated attitude coordinates, without considering the deviation between the estimated attitude coordinate and the true attitude coordinate. GEKF algorithm used geometric transform introduced error consistent representation method,...

Chunks are commonly used in academic written register, and there are quite remarkable differences in chunk features between disciplines. Based on a corpus investigation into 4-word chunks in research articles of engineering discipline, the present study has found that researchers in this field most frequently...

Several links of water resources allocation is introduced in city, on the basis of supply analysis, water demand prediction and supply-demand balance analysis, the frame of water resources allocation and the structure of urban return water are put forward, in view of the present research situation ,...

Based on the meteorological data, Kunming located in the subtropical plateau monsoon climate area, is proved to have clear dry and wet seasons with aboundant precipitation.The light and heavy rain have a great influence on surface runoff.The average annual evaporation is more than the precipitation which...

The high penetration of wind power brings in new challenges for power system secure operation. As forecast error of wind power exists, system economic dispatch model needs to be enhanced to accommodate such uncertainty. Based on interval optimization theory, wind power and load uncertainties are described...

The combined overvoltage protection is a new type of overvoltage protection devices. Its principle and performance are the same as conventional lightning arrester. It also has unique advantages. Phase combined over-voltage protection can limit the over-voltage between phase and earth.While it can limit...

Data mining is used to find useful information from massive data. Frequent pattern mining is one important task of data mining. Recently, the researches on frequent pattern mining for semi-structured data have made some progresses, and it also have a lot of focuses for data stream. However, only a few...

The typical 60Co irradiation room of hanging chain conveyor has been taken as a research subject. Ignition temperatures of common radiation cargo were measured through the experiment method, minimum ignition temperature is 210 °C. To get the temperature variation and temperature field under stuck radioactive...

A stable pressure driving system was designed in this paper, which can be used in Microfluidic Chips to driving reagents. Herein, two embedded controller units are used to control the stability of the reagent bottles pressure, for driving the reagents flow steady on the microfluidic chips. All parameters...

For a saturated soil, a saturated poro-elastic model is more realistic than the linear elastic or the visco-elastic one. Based on the Fourier transform method in the frequency wave number domain, the expression of the equivalent stiffness of the saturated poro-elastic half space interacting with an infinite...

At present, China is at a critical stage of socialist modernization and further development of the social economy, making life, learning, and the production of electrical energy demand continues to increase, the quality and security of supply requirements more stringent, while dispatching automation...

At present, the feature machining is recognized automatically for the typical CAM software, but there are some shortcomings in the technological rule base which support feature machining scheme. First, the classification and data model and the identification method of manufacturing feature are given....

Form the situation of military aircraft use civil airports, in order to improve the efficiency of the civil airport parking position, this paper gave a new idea that military and civilian aircraft use a shared parking position together, studied capacity and utilization of shared paking position, computed...

In order to better carry out the research on the flood control capacity of the flood control engineering system in Nanning, using the SAR(1) model to simulate various 50 thousands of flood process of Baise reservoir inflow and Baise-Nanning interval, and analyze the independence and applicability of...

The paper has built a wind farm ground on Doubly Fed Induction Generator (DFIG). It proposed a novel strategy of DFIG, which can be as active power source to supply active power to network, and as reactive power source to provide Var compensation (reactive power absorbed or generated) or stabilize voltage,...

The logistics industry is regarded as a new product of the new time, and it is quickly covering most of the region. This paper is devoted to simulate the operation process of logistics park, the Arena modeling is used to construct the ex-warehouse and warehousing model of logistics park for its more...

Population, economy, resources and environment have received considerable concerns for human beings. A lot of resources are consumed due to demographics and growth prospects, while excessive utilization resources result in environment pollution problems which are intensified the conflict among environment...

Based on interrelated experiments research of RC beam strengthened with unilateral steel-slab-bonded and practical engineering needs, the technology of RC floor strengthened with bilateral steel-slab-bonded is presented. According to section internal force equation relation and classical theory about...

TCable system is an important part of the aircraft.As the plane "nervous system",cable system is the important role of carrying out electricity, assigned signal and transmission tasks,but also to provide contact information between each system control. The volume and weight of the cable is restricted...

Landslide protections are ultimately races against time. Through analyzing the landslide, we can take prompt measures to prevent further decline and avoid heavy losses. By analyzing highway landslide of crest EHV power tower formation mechanism, calculating and analyzing landslide stability, this paper...

Digital filter is a basic algorithm to speech, image processing, pattern recognition, spectrum analysis and so on. It plays a very important role in digital signal processing. At present, many designers use software tools such as Matlab to model and simulate the digital filter. This paper described the...

This paper based on the concept of direct lightning and induction thunder introduction, discusses the direct lightning in the calculation formula and its size (lightning over voltage amplitude is generally higher, up to tens of thousands of volts). In this paper, the calculation formula and the magnitude...

This paper intended to improve the comprehensive performance of the material by introducing zircon powder in magnesia-based castable. It was found that forsterite generated at the medium temperature, resulting that apparent porosity of the samples increased, bulk density decreased and cold crushing sthength...

In order to explore the three-dimensional topography information of complex deep cavity wall, making use of the imaging principle based on optical coherence tomography (OCT). Building up the experiment system by combining the OCT with endoscope. Developing the related system platform. It is verified...

In modern society, tennis has not only become one of the most popular sports, but also been included in the Olympic sports, which shows its particularity. Serve technique plays a significant role in tennis sports, which is even a weapon for success. However, according to the actual situation, Chinese...

To facilitate the intelligent virtual terminal to analyze the object pool data, the basic characteristics of object pool data are studied and the data storage structure of object pool in the virtual terminal is presented. According to the technical standard of virtual terminal based on ISO11783-6, the...

In order to improve the stability and reliability of the two-wheeled self-balanced vehicle, a redundancy dual-backup method of the battery pack is proposed. The redundancy dual-backup scheme for the power supply system is presented, and the failure detection and switching method are given. In order to...

In order to increase bandwidth efficiency of band limited communication system, a new multi-band digital modulation scheme based on Quaternary Carrier Orthogonal Sinusoidal Non-linear Chirp Keying (QCO-SNCK) is proposed. Firstly, by analyzing the orthogonality of SNCK modulated waveform samples, 4 mutually...

Power industry is one of our basic industries, the development of the national economy and national security as well as energy has a very close relationship, and with the continuous development and progress of society, the status of the power industry is becoming increasingly important. However, in the...

Considering the angle deviation of the molten pool images that is caused by the different position of multiple cameras in the process of the laser welding image acquisition, this paper put forward a kind of new image registration method based on quaternion and geometric moment, which expressed the molten...

To bridge the gap between undergraduate electrical engineering curriculum and the modernizing electric power grid, Smart Home Testbed projects are ideal for undergraduate student design and research programs. Observed the fact that Smart Home Testbed projects are small-scale and short-term, a three-layer...

The fire smoke movement of urban traffic link tunnel (UTLT) under the semi-transverse ventilation was studied by Fire simulation software(FDS). With the method of theoretical analysis and numerical simulation, 3 fire scenarios have been designed to obtain the fire smoke movement. The analytical results...

Taking Deng Shahe Industrial Zone adjacent to Port control detailed planning as an example, puts forward the concept of lower limit control of plot ratio in industrial land use and upper limit of the greening rate, to ensure the rational and intensive use of land resources, we research conditions of...

Variations in the acoustic emission parameters of normal concrete (NC), steel fiber reinforced concrete (SFRC), and nano SiO₂ fiber concrete (NSFC) with the increase in loads under four-point bending load were studied. Distribution law of acoustic emission signals and its correlations with flexural strength...

In order to investigate the relationship between city and energy, three types of relationship, including relationship between energy and resident life, relationship between energy and urban growth and relationship between energy and environment in a city, was established in accordance with economic theory....

For on-orbit servicing of large valuable satellite, docking ring is a typical and strong component, which is fit for grasping by a space robot manipulator. In this paper, a novel method for measuring the relative pose of partial docking ring is proposed by introducing double-line structured light. Firstly,...

In the visualized network simulation system, both hardware and software resources are partly occupied to run the simulation nodes. And distributed simulation service is required to be provided by multiple physical servers if the scale of simulation network is rather large. In order to solve the problem...

An IoT-based wireless intelligent testing instrument is developed for static load test of piles, and it is applied to a field test in order to measure the axial compressive bearing capacity of a pile, while traditional wired devices are also deployed in the same test for comparison. The comparison shows...

In the popularly used BoVW and VLAD models for image retrieval, feature extraction is easily affected by the color and textures of images. Also, the clustering results of K-means algorithm used in these two models is usually affected by the initial cluster centroids. In order to solve these problems,...

In order to deeply understand the loading characteristics of the subway station and summarize the factors that influence the loading of the structure,we need to adopt the method of simulation to analyze the loading of the structure.The main structure static is simulated in ANSYS using an example of interchange...

In this paper, the method to confirm the sedimentary environments and microfacies of reservoirs of complex carbonate oil reservoirs was illustrated on the basis of cores and logging data. The sedimentary environments of reservoirs are petrographically confirmed on the basis of rock color, sedimentary...

High precision micro displacement measurement framework is fundamental for drilling strain gauges. We try to combine Duffing Chaotic Detection (DCD) method to replace the traditional lock-in amplifier method in drilling strain gauges. Simulation results showed that the DCD method is better than lock-in...

With the development of shipbuilding industry, "Green Ship" design and construction will play the leading role in the future , to keep long-term and healthy development, we must carry out the green shipbuilding, and change the ship models .Environmental problems bring more and more restrictions on which....

Aiming at the problem of network model and analysis of reconnaissance satellite application information system, a modeling method is proposed based on complex network theory and a network analysis method is proposed based on task submap. This paper first defines the composition of reconnaissance satellite...

Many studies on static frequency characteristics have been done yet nodal dynamic frequency response characteristics gain more attentions for the important role frequency plays in power system stability. Influencing factors such as balance power, power shortage and electrical distance are altered during...

This paper's aiming at the standard transformer stage that they don’t have the obvious position for hanging a grounding line. For solving the problem, and develop a kind of special grounding line for the standard transformer stage. The grounding line is the copper mesh structure of three layer hollow...

The observation of the frozen wall cannot be directly monitored, and it is needed to take an effective monitoring system to monitor. This paper presents the application of the one line bus technology to develop the mine ground freezing monitoring system, and the system is introduced in detail. By combining...

Binary translation system, a technique for translating executable binary program, could transform the code operating on a system structure into the command of another system structure. However, in multi-source translation system, the efficiency in floating point instruction translation realized by relying...

According to the energy balance equation at the ice bottom, the ice bottom energy balance system has been given, and the existence and uniqueness of the solution of the system has been proved. The oceanic heat flux is selected as identified parameter and the the ice thickness deviation as the performance...

The quantitative relationships between the calcination temperature and the crystalline characterization, the activity and the expansive properties of MgO expansive agent were explored through XRD-Scherrer formula, the citric acid method and the length measurement method. The results show that, under...

In this paper, structure control effect of joint network rock mass on seismic response of underground cavern is investigated. With discussion of the generating principle of 2-d joint network, five characterizing parameters, i.e. as joint density, joint orientation & its discretization, joint trace length...

Nowadays, because of the environment factors, such as the related legal policy is imperfect and the management of the construction enterprise does not reach the designated purpose and the management of the construction enterprise does not reach the designated purpose, the environmental management of...

In order to suppress the imaginary intrinsic part interference of OFDM/OQAM system in radio channel, a new pilot design approach is proposed. The new design approach can suppress the intrinsic imaginary interference in quasi-stationary channel and reduce the pilot peak power due to sparse data forms....

According to the principle of electric field polarization, we sputtered one or a few silver squares on substrate to strengthen polarization of local electric field in the depositing system of silver nanowires in an ultra thin liquid layer. In this paper, we observed electrochemical dissolving inside...

Jump techniques of five left-side-hitters (who had participated in the China College Volleyball League) are observed and tested by Telemetric EMG testing instrument, Common Speed DV and Synchronizing signal generator. Based on the extensive and interdisciplinary analysis on sports anatomy, exercise science...

An economic operation control strategy of island microgrid based on optimal scheduling of energy storage is proposed in this paper. The state of charge (SOC) and type of microgrid is fully considered in this strategy. In grid-tied island microgrid the energy storage charging control is carried out according...

Fiber Bragg grating temperature sensor has the characteristics of strong anti-jamming capability, distributed measurement which has a good application prospect in all kinds of industrial fields. But in the actual measurement of surface temperature, error caused by temperature gradient caused of the FBG...

Determination of traces of metals in gases is achieved by using a combination of a Pyrex Gas Washing System and ICP-MS methods. A special purge and blank installation is designed to clean the system with purified Helium (6N). Three 125-ml bubbler tubes in series with a 20 ml of nitric acid (~20%) are...

Industrial Control System (in short, ICS) is an important part of state fundamental infrastructure whose safety concerns national economy development and people’s property and life safety. Flaw discovery is the key of ICS defense. If attackers find flaws in ICS and use them for attack, the consequence...

Cleaning problem is extremely important to heat exchangers in industry such as crude oil processing systems because fouling can not only bring the reduction of heat transfer efficiency, but also affect the safety of the system. Common cleaning technologies used in shell and tube heat exchangers such...

The Pastor-Zienkiewicz-Chan model based on the generalized plasticity theory can simulate the main materials of the earth-rockfill quite well. The three-dimensional modeling of a typical earth-rockfill dam was modeled by HYPERMESH and was implemented into the three-dimensional elasto-plastic program...

his paper discusses the problems existing in the use of drop-out fuse: due to wind swing and other reasons, the bonding point of Cu-Al contact is easy to break, which may lead to the malfunction; the actual contact area between under contact and Cu-Al contact in transformer lead wire is insufficient...

People demand for electricity is growing with the development of society. To make the power system can operate safely and reliably, relay technology in China has been very good development. With the development of technology department for the development of relay technology has injected new vitality,...

With the development of large capacity and high parameters of power plant boiler, water wall high temperature sulfur corrosion of coal-feed boiler is becoming more and more frequent. Some of these corrosion even have affected the boiler operation safety. In this review, the domestic research in high...