The pore pressure test is designed in a dynamic compaction engineering, and the data on dissipation and increase of the pore pressure are gotten. The function of pore water pressure is fitted by regression analysis. The design parameters of time interval between two dynamic compaction can be determined...

In this paper, the effect of the steel fiber volume fraction upon the splitting tensile strength of steel fiber reinforced concrete (SFRC) was studied. The results show that steel fibers can improve splitting tensile strength of concrete. As the steel fiber volume fraction increases, the splitting tensile...

Indoor positioning is a challenging task in location-based services (LBS). The basic requirements of the indoor positioning system are high accuracy, availability, and cost and energy efficiency. Apple's Bluetooth Low Energy (BLE) based iBeacon along with pedestrian dead reckoning (PDR) system meets...

Grounding grid is an important device guaranteeing the operation of the people, electrical equipments and power grid. However, the corrosion of grounding grid affects the security of the power grid system, what's worse, it makes huge economic losses and serious social impact. We found from the research...

As the world industrial production requiring higher and faster efficiency, a series of manufacture processes is facing new challenges. Especially, there are two main parts according to potential profitability during each process steps. One has potential profitability that is logistics step and another...

The ASP flooding area in daqing oilfield has injected slugs of prerequisite, main slug and the auxiliary slug. As the chemical solution's injected, the difference of effect of well group is obvious. This article comparative analyses the influence of stratum static parameters like effective thickness,...

Power output control of wind farm is an important way of improving the wind farm performance and enhancing the ability of power grid to connect wind farm. In allusion to the power fluctuation caused by large-scale integration of wind power, this paper proposes a power smooth control strategy of battery...

Modeling of wind power plant is the basis for studying the influences that wind power has on electric power system. Based on the characteristics of wind power generation, this paper summarizes some common modeling methods, and puts forward the research prospects of wind power modeling.

Taking the distribution cable as the research object, based on the circuit theory, the equivalent circuit parameters of the cable are calculated. On the basis of this, the harmonic impedance model of distribution cable is established, The amplification mechanism of the leakage capacitance of the cable...

(Aim) Currently, scholars tend to use computer vision approaches to implement multiple sclerosis (MS) identification. (Method) In this study, we proposed a novel MS slice identification system, based on Haar wavelet transform, principal component analysis, and logistic regression. (Result) Simulation...

The IPMCs with various thicknesses were manufactured by a hot-pressed method and their actuations in terms of tip force and displacement when being reused with different treatments were investigated. Three selected treatments are no treatment, treatment in deionized water or 2M NaCl solution. To achieve...

With the development of society, people's requirements on the comfort of environment have been further improved. The semiconductor refrigeration technology, with the increase of material merit, has been greatly developed and widely used in civil and military fields. This paper, starting from the Peltier...

In order to better identify the fault type of locomotive running of rolling bearings, through experiment and analysis, the article improves a new method by combining the value of AdB and fault bearing fault characteristic frequency, then through the virtual instrument software to analysis the diagnosis...

From XPS and EPS of building external thermal insulation system on the advantages and disadvantages of using, EPS more in line with market demand, EPS has good weather resistance and temperature change of dimensional stability, is the most extensive domestic and international building exterior wall thermal...

Ascribe to global energy crisis and civil conscious of energy conservation as well as strengthened environment protection, as one of the largest way of using water in life, bathing is getting more and more attention. We establish a two dimensional model to consider both the time and space. And considering...

The high pressure torsion (HPT) process was used to process the FeNiCoMoV high-entropy alloy. The open-circuit potential test, the potentiostatic polarization curve test and the electrochemical impedance spectroscopy were used to study the effect of corrosion behavior of FeNiCoMoV High Entropy Alloy...

The airbag buffer landing device is an important part of the existing buffer device in China. Its low cost, flexible and lightweight, safe and reliable excellent features play an important role in the field of airdrop and aerospace. This paper summarizes the classification and research methods of the...

This page proposed an automatic lighting control circuit sent the light brightness analog signal to the AD conversion chip which detected by the photosensitive resistance, and converted the analog signal to a digital signal the AD conversion chip, then send the converted digital signal to the LED driver...

Regional energy internet is the key to achieving multi-energy synergistic optimization and efficient use of energy at the regional level. This paper focuses on the multi-energy synergistic optimization of regional energy internet and constructs a model based on demand side responses, considering total...

This paper presents a hierarchical planning method for battery energy storage system (BESS) operator and the distribution company (DISCO) collaborative planning in the distribution network with application scenarios that BESS operator invests the constructions of BESS. The charge and discharge contract...

The operating performances in transportation distance and method of wheel loader have great influence to the efficiency and energy consumption of engineering works. In order to improve economic rationality and scientific of engineering projects effectively, V-shaped shovel cycling conditions of the 50...

In order to increase the multiplexing capacity of traditional fiber Bragg grating (FBG) sensor and to provide more abundant information support for the structural safety evaluation, structural strain experiment was carried out based on on-line continuous preparation technique for identical and weak FBG....

The point of compensate fuzzy control is concluded. A identify model of compensate fuzzy control network is constructed. The input and output design of tube forming parameter is given, and the collection and deal of sample data is also given. Using compensate fuzzy control network does the imitate sample...

Alloy nanoparticles (NPs) of gold and palladium were found to be more active in oxidation of benzyl alcohols than supported gold or supported palladium NPs. The enhanced activity of benzyl alcohol oxidation at the surface of the alloy NPs can be explained by the charge heterogeneity. To confirm the charge...

The nuclear magnetic resonance (NMR) method is introduced in order to make the test of crosslink density of composite solid propellant easier than traditional methods. The research status of mechanical properties of nuclear magnetic resonance and solid propellant is briefly introduced, so is the basic...

To make contributions to solve urban problems, we propose eight evaluation metric based on Smart Growth theory, and offer strategies to the smart growth of the selected cities. Firstly, considering the three E's of sustainability, the principles are divided into three aspects which are transportation,...

In order to make cities can carry more population, save more resources and maintain rapid development, smart growth based on the three E's of sustainability and the 10 principles comes into being and is considered by many governments. In this paper, we concentrate on measure the success of smart growth...

In order to decrease the ship's static electric field as much as possible, the ship potential and static electric field are compared under different conditions, natural corrosion, sacrificial anodes protection, normal and advanced impressed-current cathodic protection and impressed-current compensation...

The Bekker soil pressure-sinkage model is a classical theory to investigate the relationship between soil pressure and sinkage during vehicle travel. On the basis of the Bekker model, the descendants carried out a large number of experimental research, which played a significant role in promoting the...

Initial alignment is one of the key technologies of Strap down Inertial Navigation System (SINS). The accuracy of initial alignment directly affect the accuracy of the work of SINS and the time of initial alignment are important tactical targets reflecting the rapid reaction capability of weapons systems....

In the modern war electromagnetic spectrums are used by many kinds of guided weapons involving radio, microwave, infrared, laser, etc. To countermine such weapon systems, the smoke jamming technology is highly paid attention to because of its simple operation, obvious effectiveness and high efficiency...

When the metal works at harsh environment, such as high temperature, corrosive gases, ablative particles and mechanical extrusion, abrasion resistance and corrosion resistance of it is needed to extend service life. Though hard chrome coating is used to do this job, there are still many difficult problems,...

Since the thermal expansion coefficient of the insulating material and the metallic material in the cable joint different is large, when the temperature changes, there is great stress in the insulating material or the tightening of the insulating material and the metal material, causing damage to the...

"Big data" is a popular keyword in recent years, and data related to the power grid mainly character huge amount, high complexity and broad sources. As low voltage has great influence on normal daily power utilization, besides good real-time monitoring and exception handling, a model based on big-data...

As an important evaluation index of power quality, voltage is the basic condition for guaranteeing power supply service. With the development of industry and the improvement of the living standards, the demand of electricity increases. Low voltage has become a major problem affecting the work, life and...

The Carbon Fiber Reinforced Plastics (CFRP) is one of the most popular materials for the impact attenuator. This is because that it has small density, high strength and high stiffness, which are required for crashworthy structure. In this paper, the CFRP square shell is the research object, the effect...

Microstructure evolution of dynamic recrystallization of AZ31 magnesium alloy during isothermal heating process was simulated by cellular automaton method (CA method). When heat holding time is constant, the grain size of AZ31 magnesium alloy increases significantly with the increase of heating temperature....

It is discussed that the principle of indentation-flattening compound deformation (IFCDT) and parameter definition. The characteristics and stress state and strain state of IFCDT had been analyzed. Influence factors and influence laws on plastic deformation force had been analyzed. The calculation geometry...

With the gradual release of the electricity retail side in China, more and more subjects are involved in the electricity retail market. The subjects in the market achieve their needs through specific trading patterns. This paper aims to build a grey comprehensive evaluation model by constructing the...

The State Council issued "Some opinions on further deepening the reform of the electric power system". China's electricity sales side reform has entered a new chapter. The operating mechanism of the electricity market is also different from the previous model. This paper introduces the cultivation mechanism...

This paper introduces the mechanism design of the main body of electricity retailing. Under the background of new electric retailing reform, it is of great significance and necessity to study the new mechanism which is adapted to the increasingly fierce competition in the electric market.

Long-distance pipeline has always played a significant role and kept its basic position in the West-East Gas Transmission and West-East Oil Supply programs in China. If natural gas or petroleum is not supported by pipeline, its transmission will be inevitably more dangerous to some extent. The study...

This paper design of a electronic code lock circuit under EPC system network. the system mainly including the minimum system SCM, password input matrix keyboard, password storage circuit, unlock circuit, LCD display circuit, buzzer alarm circuit and VD indicator circuit. The main program flow chart complete...

The hypersonic flow over a blunt wedge under freestream impulse wave is analyzed by direct numerical simulation and the nonlinear evolution of disturbance wave modes in the boundary layers is discussed. Results show that, under impulse wave, the thermodynamic mechanism and shear flow structure in the...

K nearest neighbor (KNN) algorithm has been widely used as a simple and effective classification algorithm. The traditional KNN classification algorithm will find k nearest neighbors, it is necessary to calculate the distance from the test sample to all training samples. When the training sample data...

During the approach phase, the aircraft is prone to human error caused by the occurrence of unstable approach. In order to facilitate the study of the flight quality of the approach phase, this paper proposes to study on extraction of QAR key parameters in approach phase. The QAR parameters are classified...

By applying the novel method, some sufficient conditions are established for the existence and global exponential stability of anti-periodic solutions for a kind of fuzzy Cohen-Grossberg neural networks on time scales. Moreover an example is given to illustrate our results.

Ponds possess unique landscapes at Taoyuan terrain, the number of these man-made ponds with irrigation function of having to build a pond, in recent years, are continuously decreasing, the cover areas are also shrinking. This study aims to establish a complete set of ponds operating performance evaluation...

Hub system of coaxial rigid rotor has a significant contribution to the total vehicle parasite drag. Prior efforts have explored various faring designs to reduce flow separation and interference drag between each components of hub system. The aerodynamic interference physics of rotor wake on the hub...

The traditional MFP (matched field processing, MFP) methods of underwater acoustic target often have poor estimation performance or get inaccurate estimation result on the constrain of spatial sparse observation. Considering the problem, this paper proposed a new high-accuracy MFP estimation algorithm...

Patrol robots are more and more widely used for their mobility,flexibility, environmental exploration capabilities, autonomous monitoring and many other powerful functions, and can be seen in production, military and other fields. But most of the current inspection robots' working time by the power supply...

We apply computing topological method to qualitatively analyze space of optical ow patches. We experimentally prove that there exist subspaces of optical ow patches that are topologically equivalent to a circle. For the space of optical ow patches, we cannot nd its subspaces having homology as that of...

The paper focuses on the photovoltaic inverter MPPT algorithm. The traditional maximum power point tracking algorithm development has been simole told. Based on the traditional perturbation and observation method and combined linear fitting method, the MPPT algorithm has been improved. The simulation...

High resolution wide Swath (HRWS) is one of the major development directions of synthetic aperture radar (SAR). However, the high resolution in azimuth direction and the wide range swath impose contradicting requirements on system design, and the conventional SAR systems cannot meet these rising demands....

The structured light stripe images are usually subjected to a lot of noise interference, which will affect the analysis of the image, such as: the center of light stripe extraction and edge detection. In this paper, a denoising method using adaptive median filter and improved wavelet reconstruction is...

This paper proposed an efficiency evaluation model for cooling system of the split type transformer using ADC (availability dependability capacity) method. This proposal is presented based on the principles and the sophisticated characteristics of the split type cooling transformer. Data acquisitions...

In view of the different styles of pictures, we first on the selected picture library for noise reduction, filtering and wrinkle and other treatment, so that the picture library to meet the requirements of the title, while reducing the impact of age factors on identification, simplified model calculation....

Concerning that traditional mobile robot suffers the low walking efficiency or poor climbing ability, a new model of Variable Eccentric Wheel-legged Robot is proposed in this paper. The modeling and analysis of the kinematics and kinetics prove that the idea is feasible. The Variable Eccentric Wheel-legged...

Lightning over-voltage is the major cause of the transmission line interruption and the main reason that endangers the safety and reliability of transmission line system. This paper modelled a single loop overhead transmission line of 330kV with one ground wire based on ATP-EMTP to search the influences...

A new approach of the rectangular degree detection of the metal parts is proposed. Our design is based on Halcon, a machine vision software, which includes key processing steps shuch as the edge contour extraction, image matching, and defect detection and so on. First, the edge is extracted according...

To meet the requirement of high-quality transmission of videos captured by unmanned aerial vehicles (UAV) with low bandwidth, a novel rate control (RC) scheme based on region-of-interest (ROI) is proposed. First, the ROI information is sent to the encoder with the latest high efficient video coding (HEVC)...

This paper presents an online unsupervised learning classification of pedestrians and vehicles for video Monitor. Different from traditional methods depending on offline training, our method adopts the online label strategy based on temporal and morphological features, which saves time and labor to a...

With the rapid development of information technology, more and more research projects, scientific research institutes, how to make scientific research project application and approval of more efficient, has become an urgent problem to be solved. The Web project declaration system based on can speed up...

The ferromagnetic resonance overvoltage of power system often occurs for a long time, which seriously endangers the safe operation of electrical equipment and power grid. The feature extraction and recognition of ferromagnetic resonance overvoltage is helpful for taking targeted measures to restrain...

This paper studies the DC-DC buck converter response controlled by two second-order single-input control techniques: equivalent-control quantization sliding mode voltage control (QSMVC) and general sliding mode voltage control (SMVC). Simulations illustrate the behaviors of the equivalent-control based...

This paper presents an adaptive sensorless control for permanent magnet synchronous motor in the electric vehicles drive system. Using stator currents, voltage and speed measurements, a new nonlinear adaptive position observer for the permanent magnet synchronous motor is designed. Convergence of the...

NFC (Near Field Communication) technology is convenient for people's lives, but because of the abundant personal information contained in NFC cards, which can create a hidden danger for the leak of personal information. The existing NFC signal shielding cover is completely wrapped with a thin aluminum...

The purpose of this study was to investigate the physicochemical properties of tapioca starch (TS) after micronization.The thermal properties analysis suggested that the gelatinization temperature was decreased after the treatment of micronization and decreased with increasing processing time. Solubility...

The highway toll station is usually considered as the bottleneck of high way traffic flow. Therefore, it is essential to design a new scheme of toll plazas in highway, under the background of rapid traffic development and the emergency of self-driving. A reasonable design of toll plazas is to determine...

Our goal is to establish a model that makes the optimal strategy to keep a stable temperature and consume minimum amount of water. In specific, we are required to determine the degree to which are mentioned in the problem affect our model. In addition, we also need to consider the situation where bubble...

Binocular head-eye platform is mainly used in the recognition of active objects, and can quickly and flexibly achieve a wide-range image information collection. The existing binocular head-eye platform usually uses small camera with fixed focus lens to obtain image information, so there are some problems,...

For the practical issue of multi-sensor data fusion in target tracking, this paper combines the predicted values and the measured values weighted together. The optimal weight allocation method of Containing predicted values and measured values is presented. In theory, the more the number of sensors is,...

This paper focuses on the design of mooring system, considering the influence of tides and wind speed on the system, analyzes the force of anchor chain, steel barrel, steel pipe and buoy, and establishes the model of particle rigid body, single object and multi-objective programming. The actual results...

Streaming data processing has become a hot topic in the big data research. To ensure the timeliness of data processing, it is important to explore the performance-sensitive components in the streaming data processing platform, which can contribute to the more efficient performance optimization. In this...

The existing coarse-grained monitoring mechanism in Spark has much difficulty in analyzing and locating the bottleneck during the execution of tasks. Aiming to solve this problem, we divide the execution process of Spark tasks into several subphases, and propose a fine-grained subphases-based monitoring...

Traditional Data envelopment analysis models make no hypothesis concerning the internal operations in a "black box". To open the "black box", we put forward a type of network DEA structure with several sub-DMUs linked by intermediate products. The input node and output node also represent the entrance...

Moving object detection belongs to the primary processing stage of visual analysis, as well as the premise and basis of object tracking and behavior analysis. Foreground motion images containing shadows are obtained by an adaptive Gauss mixture background model. To better remove shadows and get moving...

Identifying key users have become a focal problem in the area of online social networks. Tweets and Behaviors of people are two core facets for finding key users. Tweets of published by users spread support from different behaviors. However, existing literature on key users evaluation has mainly focused...

By applying emotion analysis on the n etwork text, enterprises can obtain the user experience and the Government can get public opinion, which is helpful for the two to take corresponding measures. This paper studies the technology of text genre classification first. A corpus needs to be built, so that...

Though there are numerous traditional models to measure the search relevance of search engine, the evaluation results of existing models are not precise enough and difficult in operation in most of the cases. This article proposed a forecasting approach based on ensemble method to improve the precision...

This paper focuses on the improvement of the toll plaza design, in order to solve the traffic congestion problem. In order to analyze the performance of the construction plan we define an evaluation index decided by the main issues in this model which are accident prevention, throughout and cost. We...

By analyzing the specific case of dam, we can determine the location of the new dam with using the model -- Analytic Hierarchy Progress (AHP), which figures out the result by three main criteria and each criteria is related to two or three sub-criteria. We get the proportion of three main criteria through...

Short-term load forecasting is of great significance to the operation and analysis of power system to improve the accuracy of load forecasting. An Important Means to Guarantee the Scientific Decision of Power System Optimization. This paper aims to analyze the load fluctuation of the two regions and...

In recent years, with the popularity and development of the Internet, information is spread more and more quickly. In this paper, based on a large amount of data, we first consider "Information transfer capability parameters of the information network" as an evaluation criterion to describe the information...

If tourism benefits, plutonomy benefits and generated hydropower are incorporated in the mathematical model to be studied, it is bound to make the model very complex and difficult to solve. To solve this problem, the key role of dam system in flood control, water and sediment regulation should be considered,...

This paper introduces the present status of coking industry in China and the types and uses of coking products, and lists the problems encountered in the recovery process and the recycling process. Putting forward the new technologies and the optimization of the process which can make the coking production...

The development of new energy sources such as wind energy is an important part of the world. However, the overwhelming majority of accumulated and added installment is now embarrassing China's wind power by grid connectivity and power curtailment problems. This paper analyzes the causes of abandonment...

China has a wealth of straw resources, rice straw accounted for a large part. The previous approach was to discard or burn the straw, causing a variety of environmental problems. In order to solve the problem of fecal pollution produced in the development of farms, we usually use rice straw to produce...

In this paper, we mainly study the influence of community opening on the surrounding road traffic. Firstly, we use the explanatory structural model to determine the evaluation system of 10 indicators in two levels. Then we use these indexes and establish them based on the road intersection model and...

Smart Growth theory, Originated in the 1990's, advocate a people-oriented, healthy and harmonious development concept, and it has an increasingly important position in urban planning. In order to help implement the smart growth theories into city design around the world, we have chosen Bendigo from Australia...

In the 20th century, the world's population has doubled, while human water consumption has increased five times. Many countries in the world are facing a water crisis. To measure the water supply capacity of a region, we define the water supply capacity index. Then we select 11 important factors according...

In view of functional analysis is the key work of quota design, we establish the AHP model based on FAST diagram analysis method and principal component analysis. It can design the system function so as to provide a scientific basis for investment quota allocation. On this basis, we establish the fuzzy...

This paper mainly studies the influence on the surrounding traffic after opening residential quarters. After studying the factors that influence traffic, we establish the evaluating indicator system and evaluation model. In this way, we can easily study the influence. Finally, we put forward the rationalization...

This paper is to propose a water diversion scheme to alleviate the shortage of water resources. We select six main reservoirs around Beijing, consider each reservoir characteristic parameter and use Improved Analytic Hierarchy Process to calculate the weight which can fix the problem of subjectivity...

Water is a basic factor of the ecology, and is the irreplaceable physical base of human's being and development. In this paper, we predict the dynamic change of water resource under the present situation and intervention based on the relations between water demand and supply. We come up with the RWSI...

Today, smart growth theory is playing an important role in urban development. In order to help implementing smart growth theories into city design around the world, we select Bendigo in Australia and Galway in Ireland as the objects of study. We define a smart growth index to evaluate the success of...

Solar thermal power generation has a bright future globally. This paper describes the main forms and characteristics of solar thermal power generation, introduces the application of solar energy at home and abroad, analyzes its development trends, and puts forward suggestions for improvement and the...

For the fractured vuggy carbonate reservoir, the existing well test models are difficult to apply because of many factors, such as the rock structure, the structural fracture and the dissolution. To solve this problem and represent the complicated flow in carbonate reservoir, we propose a finite element...

Along with the development of oil and gas fields, geological condition and well pattern arrangement are getting complicated. More and more domestic and foreign experts have paid attention to the study of the interference testing to assess the connectivity between wells and solve the reservoir parameters....

Fractured-vuggy carbonate reservoirs have various types of units, and making full use of the well test data to study reservoir characteristics is quit important to enhance oil production. However, conventional analytical well test model cannot consider the positional relationship of well and fractured-vuggy...