Advances in Engineering Research

Power load is the active part of safe and stable operation of the entire power system. Establishing realistic dynamic load model is important meaning for power system planning and operation. In this paper practical load modeling idea is adopted for clustering analysis of the data of load characteristics...

Combine with a large span frame structure project ,a survey on live loads of this building has been conducted,and the survey lasted the whole construction period of the building, the loads in the four phases of template erection, steel banding, concrete pouring and curing were recorded. According to...

In order to improve parametric design process efficiency, design product is layer-by-layer decomposed into design unit according to the functional, and the design unit is looked as the carrier of knowledge and the object of parameter driving. In order to describe the product structure and integrate design...

It is important for provincial water function zone to maintain good water quality for downstream province. In recent years, provincial water function zone water pollution became serious, which caused pollution disputes between upstream province and downstream province. The study on water ecological compensation...

Cuprous oxides thin film with different morphologies were formed on F-doped tin oxide (FTO) covered glass substrates by potentiostatic deposition of cupric acetate. The effects of electrodeposition temperature and Br on the crystal morphologies of cuprous oxide were studied. Different crystal morphologies...

In order to improve the prediction accuracy of wireless sensor network, a novel prediction algorithm is proposed by ARMA and wavelet transform. In this algorithm, the characteristic of ARMA is defined, and the Theoretical foundation of is given. Then, the prediction error of actual traffic is decreased...

The phase and composition of Liupanshui coal gangue were determined by XRD and XRF analysis. The coal gangue is calcined at 600°C for 2h, grind 200 mesh, and the optimum amount of coal gangue is determined by testing cement mortar with different proportions and testing its compressive and flexural mechanical...

The important difference of Microblog network and WeChat network is network centralization. Microblog is a platform which pay attention to very important users, but WeChat is a decentralized network. Based on this point, we firstly build a model called information spreading model to simulate information...

The necessity of vector characterized is given by comparison of common test methods for mixer. Based on the model proposed by Agilent company, establish a simplified model of the parameter C and investigate the mixing product and jamming signal processing method. Through the analysis of phase for two-port...

Lime softening & side-stream lime softening method is used for circulating water treatment system in a certain Coal-fired power plant project of Henan Province. Main components of sludge discharged from lime softening system are CaCO3 and Mg(OH)2. This study analyzed the composition and discharge amount...

Beijing-Tianjin-Hebei Region is one of the areas which haze can be usually seen. The basic reason of haze is pollution, weather and geography conditions, which is only external cause. Pollution remediation and governance haze have become top priority in Beijing-Tianjin-Hebei Region, even in national...

With the development of trusted computing, trusted computing model and trusted computing platforms are constantly changing, and becoming more and more perfect. In terms of the hardware platform, the trusted computing technology has been gradually matured. Many companies and businesses solve security...

The computational scheme and the basic idea of the Flux-Corrected Transport (FCT) method are studied in the paper. With the numerical simulations of 1-D stress wave, its application to SPH are discussed and compared with SPH coupled with artificial viscosity. The result shows that FCT method is very...

A vessel motion statistical learning based on stored AIS data is proposed in this paper. This paper divide the region of interest into a uniformly sized grid, and analyze the stored AIS data messages according the vessel's position and index the motion information into the unique grid. The sailing state...

China Rural widespread structural surplus straw is the major constraints and limitations of modern agriculture industry sustainable development. Straw returning after biogas treatment is an important way to solve the problem of straw, as well as effective means of achieving a low-carbon economy and the...

A pot experiment was carried out to study the effects of exogenous abscisic acid (ABA) on the photosynthesis of Capsella bursa-pastoris under salt stress. Under salt stress, the chlorophyll a, chlorophyll b and total chlorophyll contents of C. bursa-pastoris showed no obvious changes at low ABA concentrations...

Dynamic state estimation of power system is a sophisticated problem since voltage and current phasors under dynamic conditions are nonlinear and hard to be obtained. This paper presents a new power system dynamic state estimation method using Extended Kalman Filter (EKF) based on Phasor Measurement Unit...

To solve the signing key exposure problem in fuzzy identity-based encryption systems with ciphertext policy, we propose a fuzzy identity-based threshold key-insulated encryption scheme with ciphertext policy (FIBTKIE-CP) which is provably secure. Our scheme is key-insulated and strongly key-insulated....

The development of underwater technologies demands reliable wireless power solutions to overcome the limitations of conventional wired systems. This paper presents an optimized underwater wireless power transfer (UWPT) system based on series-series (S-S) compensation topology with a novel misalignment-tolerant...

Rolling tension control is an important factor to ensure the quality of steel products. In actual production process, there are shortcomings such as large overshoots, long adjustment time and the parameters are difficult to adjust in real time because rolling tension model is a high-order nonlinear system...

With the development of big data, cloud computing, Internet of Things, "Internet +" launched a new round of revolution in the industry. With the release of the Power reform document 9 and a series of supporting documents, the China's power reform gets a new opportunity. In the sale side of power reforms,...

Feisha aqueduct is located at west main canal of irrigation district in the Xinjin county, Liaoning province, the aqueduct is reinforced concrete rib arch aqueduct, arch centering is variable cross-section reinforced concrete double rib structure, arch axis is parabola, clear span is 33 m, rise-span...

The key technology of Sensorless BLDC motor control is Zero-crossing detection. Based on full research and analysis of the Back-EMF motor principle, wave and traditional detection methods, a new method of Back-EMF Zero-crossing detection is introduced. The method does not rigidly adhere to the principles...

Effectively apply computer technology in image contour extraction can not only automatically detect surface image defects, but can better process image contour and realize the function of extracting single pixel image edge profile with high precision. It can meet the measurement requirements based on...

Ecological security classification of land resources play an important role in sustainable utilization of land resources and improve benefit of healthy development of urbanization in China. According to the county level of ecological security classification of land resources data which is large scale...

Using microwave technology enhanced flocculation treatment of oilfield wastewater containing polymer .Chose the wastewater COD removal efficiency as an evaluation index, investigated four kinds of flocculants, such as AlCl3, FeCl3, PAC, PAF in the microwave irradiation and no microwave irradiation two...

Aiming at the rising demand for functional diversity and stability of underwater sampling equipment, a special underwater measurement and control system based on distributed management is designed in this paper. The system takes STM32F407 as MCU, dividing the whole function into different functional...

An off-lattice Monte Carlo model has been developed to simulate growth of dust cakes from ultrafine particles in a model filter composed of an array of identical parallel fibers placed transverse to the flow. Unlike previous simulations on the dust cakes, this study considerd the effect of the flow feature...

With the development of marine resources and the demand of marine military protection, underwater explosion technology is getting more and more attention. The underwater explosion experiments with single charge & double charges were carried out in a small cylinder explosion pond with diameter of 5.5...

A bibliographical review of the literature on heat and mass transfer in gravity-aided closed Loop Two-Phase Thermosyphon (CLTPT). To prevent the dissolution of the liquid layer, it is advised to use a thermosyphon that is optimally filled with a modest amount of working fluid. The main task is to develop...

In many practical problems, it is sometimes necessary to evaluate the derivative of function whose values are given approximately. Firstly, the problem of estimating the derivative of a function observed with error is studied. It presents a proper regularization strategy and explain how to choose regularization...

In the thesis, simulated analysis of eight steel reinforced high strength concrete column under the low reversed cyclic horizontal load were performed by using the nonlinear finite element software of ABAQUS. The hysteresis behavior, skeleton curve, displacement ductility energy-dissipating capacity...

RSSI-based positioning technology suffers from accuracy degradation due to complex indoor environment, and traditional weighted centroid algorithm hardly satisfies people's accuracy requirements. In this paper, a hybrid RSSI based positioning algorithm is proposed. Firstly, maximum likelihood estimation...

A strapdown inertial navigation algorithm is proposed, which is suitable for the measurement of the parameters of missile in the ejection test with short movement time, small changes of velocity and position. The transformation relationship between the missile-boy coordinate frame and the navigation...

In order to reduce the security of time, this paper introduced the action analysis, guided by the economic principle of motion principle, Uses the IEMS video motion analysis software, in the process of security action analysis. By removing invalid move, improve the effective dynamic element, obtain a...

In order to achieve the damage effect, when the anti-tank missile hits the target in the top attack model, both precision and terminal impact angle should be satisfied. Firstly, a kind of proportional navigation law with impact position and angle constraint was deduced. Then, the top attack trajectory...

The traditional lacquer technology is a kind of crafts, by taking plant paint as raw material, using a variety of techniques to protect and decorate the object surface. The plant paint has the characteristic of environmental protection, pollution-free and renewal, and its material advantages can not...

On background of Energy Internet (EI) and active distribution network (ADN), a new type of smart controller based on low voltage carrier communication technique was developed, which could finish multi-interaction between the users and Power Supply Company (PSC) in aspects of energy flow and information...

Nonlinear transformation between the isoparametric and the Cartesian coordinates may make the elements more sensitive to mesh distortion. By using the second kind of quadrilateral coordinate method QACM-II, which can keep the transformation always linear between the area and the Cartesian coordinate...

Shale gas as an increasingly important form of hydrocarbon energy raises natural gas occupancy and reduces carbon emission in North American, attracting more and more focus all over the world. The main purpose of this paper is to identify the differences in cooperation network in shale gas research and...

Controlling the morphology of inorganic nanomaterials attracts more and more attention, due to the influence of morphology on the material properties and application. The nanostructures of nickel oxide (NiO) has attracted great interest because of its unique physical and chemical properties for a broad...

Research on knowledge dissemination model under the ubiquitous network environment has become a hot research in the field of distance education in the world at present. Starting from the standpoint of knowledge dissemination and starting with the change of system state, we attempt to propose a multi-dimension...

Metal doping carbon aerogels are prepared via polymerization of glutaraldehyde and chitosan with Ni(NO3)2 and Co(NO3)2 doping under freeze - drying method. The as - prepared product are carbonized at 900 °C in a nitrogen atmosphere. The obtained doping carbon aerogels were characterized by means of N2...

Spark is a memory-based distributed data processing framework. Lots of data is transmitted through the network in the shuffle process, which is the main bottleneck of the Spark. Because the partitions are unbalanced in different nodes , the Reduce task input are unbalanced. In order to solve this problem,...

In order to evaluate the error of the Runge-Kutta (RK) algorithm used in real-time simulation and apply it to real-time simulation problems with dense output, based on the ODE45 with maximum stability region and least truncation error, this paper adopts a variable step-size strategies and derives a relative...

In this paper, we propose an BGP routing instability detection algorithm that is based on statistics and pattern recognition through deeply learning BGP-4 and seriously analyzing the cause, properties, Manifestations of BGP routing instability, and verify its correctness and effectiveness by using SSFNet...

Concrete arch dam as an important hydraulic structures, in recent years has been widely used in water conservancy projects. Gucheng Reservoir is located in the ancient city of Yanqing County in Beijing, where is 10 km from the dam to the county, control drainage area above the dam 119 km2 ,which is an...

Closed-loop control or open-loop control of proportional valve can be completed when the drive current of electro-hydraulic proportional valve is provided by electro-hydraulic proportional amplifier. The control performance of proportional valve can be directly decided by the electro-hydraulic proportional...

Experimental study on the flexural bearing capacity of basalt fiber board and wood composite beam. Focuses on the composite plate of efficient splicing method and the paste of the basalt fiber in the beams bearing capacity, deformation and strain improvement. In addition to the structural measures have...

With the rapid growth of vehicles scale in China, the development of public transportation has become an effective way of controlling urban traffic problems. However, the continuous occurrence of public traffic accidents has caused widespread concern in China. Hence, how to efficiently monitor the security...

Cloud computing, as a newly emerged service oriented paradigm, is emerging as a leading solution for on-demand services. One of the challenges faced by current cloud is to decide how to migrate virtual machine to another physical machine. This paper presents an energy efficient virtual machine migration...

The foam concrete material is used as the self-thermal insulation material for exterior wall , combined with a residential building in Wuhan as an example, resorting to DeST-h simulation software, with non-thermal insulation wall as the reference model. Through the comparison of several groups of self-thermal...

The extended target is characterized by common centroid kinematic state and extended information, extended forms not only can be treated as a state to be estimated separately, including the size, shape and direction information will effectively enhance the performance of filter with proper use. For this...

This paper uses the ARIMA and BP neural network model to forecast the exchange rate by collecting the monthly exchange rate data of RMB exchange rate from 2001 to 2017, and put forward the combined forecasting method of ARIMA and BP neural network model. From the prediction results, the results of the...

In this paper, a measurement system with the near infrared spectrum technique is introduced. The experimental pipeline is designed for the stainless steel pipe which can reduce the interference of external light and have the four groups of measuring device. While the data are collected by high frequency...

As Jining City integrated gymnasium suspend-dome structure an example, the prestress tension process was carried out finite element simulation analysis by using inverse analysis of construction. The vertical displacement of the control joints and the top rod maximum stress ratio of roof were comparably...

A novel special purpose equipment for inner hole plating of rectangular crystallizer copper tube in continuous casting machine was put forward. The design requirements and the main structure of the special purpose equipment were introduced. The principle and structures of the automatically centered mechanism...

This paper presents a micro-grid digital simulation and platform based RTDS. The common distributed generators and energy storage elements are modeled and can be constructed to form the micro-grid. Considering the micro-grid control, the platform builds the PQ control in parallel operation, V/F control...

Moriseiki DMG 50U 5 Axis CNC machine that has a table-table configuration with 3L-2R machine type. Different configurations result in different machine movements, hence the need for a post-processor. The post-processor is an interface that connects the CAM software system and the numerical control machine....

In order to make full use of the solid wastes, an energy internet is designed for Laogang base, the biggest place to recycle wastes in Shanghai. This energy internet combine heat and methane with electricity on the basis of current multi-energy system in Laogang to increase energy utilization rate and...

In an applied electric field, the relationship between the ferroelectric’s intensity of polarization and the electric field intensity is not linear but a hysteretic loop which is called the ferroelectric hysteresis loop. When the temperature of the ferroelectric is heated to the transition temperature...

In recent 50 years, because of the interference of natural factors and human activities, the quality, productivity and the carrying capacity were decreased of Dumeng Country grassland in Heilongjiang Province. According to the division of county, Dumeng County township is determined disturbed grassland...

Biodiesel, a biodegradable, sustainable and clean energy has attracted growing interest in recent years, mainly due to development in bio-diesel fuel and ecological pressures including climatic changes. In this study, lipase strains FS14 extracted from soil which is polluted by oil and fat were analyzed...

HrpZpsta gene is a broad spectrum disease resistance gene to plant disease. We transferred it into soybean with the promoter of 35S mediated by Agrobacterium and got T5 and T6 transgenic soybean-lines. To study the relationship between hrpZPsta gene expression in transgenic soybean and the resistance...

A three-dimensional elastic-plastic FE(finite element) model of power spinning of thin-walled Ti2AlNb alloy shell was established based on the dynamic, explicit module of FE software. The key technologies, including contact boundary, mesh, were dealt with reasonably. The reliability of model was validated...

This paper introduces the film material in micro manufacturing in general, it is covered in a wafer. Then, it focuses on the production process of the thin film, mainly has the PVD method, which is formed by the physical method; the other is VCD, that is the chemical method to produce the film. Finally,...

Cognitive radio (CR) technology provides a new approach to solve the problem of wireless spectrum resource scarcity by allowing secondary users (SUs) to access the licensed spectrum in case that SUs do not interfere primary user (PU). One of the most challenging tasks in CR is spectrum sensing. This...

This work proposed a blind source separation method by RBF neural network optimized by GA, which can improve the separation performance under low SNR condition. The center value and the width value of RBF can be determined by k-mean clustering algorithm and the cost function is set by maximum entropy....

Additional displacement fields based on internal parameters were used widely in finite element method to increase the order and complementary of displacement polynomials, thus accuracy and insensitivity to mesh distortion of elements can be improved significantly. To ensure that the element could pass...

Concrete arch dam is the main structure of water conservancy projects which have the advantages of a artistic shape of structure and good mechanical properties, and it has been widely used in water conservancy projects. Banjiang Reservoir is located in Zijiang River two tributaries of Dongkou County,...

The time synchronization in the virtual radio system is determined as one of thorny technical problems. Especially in TT&C (Telemetry Tracking and Command) system, it requires incredible precision with time. A novel method for time synchronization by high-precision in a unified virtual radio model specially...

A three-dimensional stochastic simulation was developed to simulate growing process of particles deposit on a single fiber in Kuwarbara cell due to the collection mechanisms from inertial impaction and interception. The distributions of size of particle dendrites were calculated to quantificationally...

In this paper, urban traffic accessibility is regarded as the external manifestation of the dynamic process of the coupling of several traffic systems. Firstly, the relationship between a subway system, a bus rapid transit system, and a common bus system are analyzed, as well as the relationship between...

Classification of synthetic radar images (SAR) is an emerging area especially with the advent of state of the art satellite image techniques. An SVM based texture analysis and classification utilizing the PCA for dimensionality reduction of SAR images has been presented in this paper to categorize the...

The traditional vertical axis wind turbine will produce a part of mechanical loss because of the transmission system between the wind wheel and generator, resulting the reduction of the wind energy utilization rate of the wind turbine. This paper proposes a new design method for off-grid small vertical...

In order to analyze the influence of land use on soil saturated hydraulic conductivity (Kfs), three typical sandy lands of Horqin Sand Land were chosen, including pine woodland, poplar woodland and farmland, and three fields for each type to identified for Kfs measurement. The Kfs of five soil depths...

In respect to the difficulties in power supply for online monitoring equipments at high voltage side, a new design of adjustable and rechargeable induction power supply is presented. A microprocessor is used as the central control unit, which can achieve the intelligent management and control of different...

Online product reviews is an important information source which affects consumer purchasing decision-making deeply, but the inconsistency between reviews and scores brings troubles in the process of decision-making for consumers. So the importance of solving reviews’ authenticity is focused on. This...

In this paper, the physical mechanism of the cryogenic superfluid gyroscope based on AC Josephson effect are analyzed , meanwhile, the implementation of the cryogenic superfluid gyroscope was brought up and the advantage of the sensitivity of the gyroscope is proved by theoretical derivation. A method...

The concept of installing energy dissipation devices in a coupling beam of shear wall structures has been proposed and investigated. The energy dissipation device is used to dissipate seismic energy and is easy to be replaced in the post-earthquake event. According to the practical design methods of...

The contraction-expansion flow is a benchmark problem for exploring the rheological behavior of polymer melts by numerical method. In this study, DCPP and S-MDCPP models were adopted to describe the rheological behavior of branched polymer. The discrete elastic-viscous stress split (DEVSS) , streamline-upwind...

The large span dry-coal-shed has complicated structure,which has the large-span of 114m and the vertical section of 20m. In this paper, the whole project has been expounded in different ways, such as stress analysis,structure selection, structure design. Two different structure design softwares(MST and...

Wireless power transmission (WPT) technology has made significant progress in multidimensional charging, magnetic field optimisation and system safety in recent years. This review summarises the key technological breakthroughs made in the last decade in omnidirectional wireless charging, magnetic field...

The real-time is an importance on judging the performance of the image processing system . The instantaneity means the system must have the reaction in the definitive time . In this research , the time in disposing an image must be limited in millisecond from receive the image to operate and report the...

FRP is new type of composite material which substitute for reinforcing steel bar in concrete structure and can solve wear problem caused by steel bar rusting.The result of its bond behavior with concrete is one of the key technologies for its popularization and application to reinforced concrete structure.We...

Using plasma technology for pre-processing of kaolin by sedimentation settling tests to verify the performance of kaolin change.Then silane coupling agent and ethanol pretreatment plasma technology kaolin modified by sedimentation experiments to study its effect modification. The results showed that:...

Nowadays target tracking has become a hot issue of indoor positioning in the military or civilian areas. Due to the nonlinear characteristics of the indoor environment, there exist some difficulties in indoor tracking scheme. In this paper, we proposed an indoor tracking algorithm based on particle filter....

With the advent of the Internet era, the network has been widely used in production and life, and network security has become a hot topic. Nowadays, the traditional prevention technology is difficult to prevent the various increasing network attacks. There is an urgent need for a complex network intrusion...

The numerical simulation study for water conveyance of inverted siphon on water security is of great significance. The inverted siphon is thin-walled concrete structure, and cracks will appear according to temperature loads. Generally speaking, the temperature difference between the internal and external...

The ARIMA model is an important method and is widely used in time series modelling. The model relies heavily on autocorrelation patterns in the data, and doesn't consider other factors. However, in most cases, the extreme value of series has an influence on the subsequent behaviour of series. But this...

Mobile communications, which could support multi-band, multi-standard and multi-mode wireless communication technology, is one of the most important applications of wireless technology. It’s the core technology for the future development of Chinese wireless communications applications. This paper focuses...

Elbow movement disorder is one of the common diseases affecting the daily activities of patients. Augmented Reality (AR) technology fuses the virtual information generated by computer with the real environment, keeping the patients' real-world feeling and also helping to training evaluation. This paper...

Supercritical fluids have been recognized as a working media to improve thermal efficiencies in power cycles and for energy conversion, and have been used or selected as the working fluids in engineering fields, and so on. To better understand the interesting characteristic or abnormal behavior’s of...

We first examine the techniques, development, and application future of the current recommender systems in the film industry. Various recommendation techniques in current applications and the K-nearest neighbor (aka. KNN) algorithm, in particular, is then introduced in detail. This is followed by an...

In this paper, a micro-power wireless and low voltage power line carrier double channel meter reading scheme is proposed. The two communication channels of this scheme coordinate and supply each other, which takes the full advantages of each channel. The high real communication success rate and the accuracy...

The experiment aimed to evaluate the effect of 1-MCP treatment on postharvest ‘Hanfu’ apple. The fruits were treated with 0, 0.3, 0.6 and 0.9 L•L-1 1-MCP before put in cold storage condition (2±0.2 ) with modified atmosphere package for 240d. The storage quality and physicochemical change were measured...

In order to elevate efficiency of traditional Fuzzing technique, a novel method using genetic algorithm is proposed based on path coverage and test cost. There are evidences that GA has been already successful in generating test cases. Considering path coverage as the test adequacy criterion, we have...

Network security situation prediction can help network administrators to make security decisions, and the current network security technology cannot predict the future network security situation. Hereby, a network security situation prediction based on incremental wavelet neural network (IWNN) was proposed,...

Volatile organic compounds (VOCs) can have an important influence on plant-insect interactions. In particular, insect behaviors are often influenced by the volatiles of both host plants and non-host plants. The objective of this study was to assess the behavioral responses of the aphid, Myzus persicae...

This paper describes the magnesium pollution status and remediation of tilth top soils in Haicheng magnesium mine. The soil quality status was evaluated based on the analysis results. Physiologically acid fertilizers and organic fertilizer were used for the remediation of contaminated soil using magnesium-ammonium-phosphate...