Advances in Engineering Research

Around the phenomenon of cascading trip in power grid, a method of evaluating it was researched. Firstly, aiming at the backup relay protector of current type, by comprehensive analyzing the action of the relay protector and the power flow distribution in power system, this paper analyzed the relationship...

In cloud computing environment, service composition provides an effective way to implement a composite service. This paper investigates the issue of optimization of cloud service selection and composition in cloud environment. First, a cloud service filtrating and composition optimization index system...

The overall design of the mechanical structure of the color 3D printer is put forward, and a new spliced print head structure is proposed. The utility model relates to a splicing type print head, which is composed of a print head which is loaded with different colors of silk material and a movable fixing...

In isolated and linked power systems, load frequency control (LFC) is critical in delivering high-quality power. The LFC must be resilient to the system's parameter uncertainties and have a strong disturbance elimination capacity to maintain high-quality power. In the presence of wind Power generation...

Being active in an organization is often the reason why students don’t graduate on time. Students who become administrators of organizations should be able to balance their roles between being students and being administrators. This study aims to examine the factors that affect work-life balance of the...

WebRTC is a relatively hot technique for web in the recent years, simple Javascript API can achieve the communications of common data types even audio and video data types between browsers supporting HTML5. Moreover, it possesses the features of no plug-ins, cross platform, low development and usage...

The traditional mental health information lack of management tools and platforms, it is not suit the needs of information age management. This paper design a software system to support system development. First, design the software architecture composed by data presentation layer, application layer,...

To solve searching problem, we will establish a model to describe the trajectory of the falling and determine the drowning point. With the application of kinematics knowledge, we obtain relationship between time and displacement in the both horizontal and vertical directions. We use linear fitting to...

Energy conservation and pollution reduction are two of important subjects of sustainable development. Straw recycling not only can achieve the maximization of resource utility, but also could reduce environmental pollution caused by straw burning. How to set up an efficient straw recycling network is...

The Paper put forward the current problem that form bionic design only stressed the form and sought for the bionic design regardless of the practical results by introducing high-rise buildings and form bionic design. Taking traditional Chinese cornice design and Belgian designer Vincent Callebaut’s “butterfly”...

According to the plane cross-section assumption and static equilibrium, the formulas for the bearing capacity of autoclaved fly ash masonry short column (AFAMC) can be deduced. And in the deducing process, we should consider the stress-strain relations of the various masonry materials. In this paper,...

Objective: The clinical curative effect of posterior approach treatment to thoracolumbar fractures will be researched in this paper. Methods: The object of this research is 60 patients with thoracolumbar fractures treated in our hospital from December 2014 to 2016 March. They were divided into control...

This study develops a machine tool consumption and energy management platform. The proposed method established a variety of electricity profile in order to differentiate various processing status in machining conditions. The platform provides energy related application services, including machine monitoring...

With the growing phenomenon of an aging population, Intelligent Health Surveillance technology has been developing rapidly. Meanwhile, as of things, the development of computer vision and other information technology to make rapid growth of Intelligent Health Surveillance data and diversified characteristics....

As the foundation of network cognition, management and optimizing, the classification of network traffic is making a significant difference in resource scheduling, safety analysis and future tendency prediction. Feature subset selection (FSS) based on machine learning plays an important role in classification...

A new active jamming method based on dynamical convolution against Inverse Synthetic Aperture Radar (ISAR) is set up in this paper. The traditional scatter jammer is non-cooperative with the dispenser's gesture, which makes ISAR easy to identify it. The new jamming strategy improves it in two steps....

In order to guide the application of thermostat dehumidifier products,a performance test device based on air enthalpy contrast methodof wind tunnel was designed, the hardware technical requirement and software function are introduced.Bytesting the KFRS-20ZM/AS dehumidifier,the relationship between the...

Better methods of forecasting the concentrations of air pollution are important in developmental of sound policies and decisions at a time when environmental concerns and the need for mitigating climate change has become important. This paper describes how climate pollution can be predicted from climate...

Driven by the global energy transition and the goal of carbon neutrality, photovoltaic power generation has become the core force in the development of renewable energy. However, its intermittency and volatility pose challenges to the stable operation of the power grid. This paper systematically studies...

As an energy-saving high-tech green and environmental-friendly product, the steel-plastic combined template is in line with the industrial policy guidance of “replacing wood with plastic and steel with plastic”. It is another new generation product after the wooden template, the combined steel template,...

Objective: To study the chronic intermittent hypoxia training on rat myocardial line grain of ATP content and Na+, K+ ATPase and the influence of Ca2+, magnesium 2+ATPase. Methods: 32 male Wistar rats as the research object, according to the low oxygen training program can be divided into intermittent...

Considering the Kariba Dam's current dangerous situation, our team primarily analyses the three available options, and then explores the effect from a system of dams to the Zambezi River.a Dam Site Selection Model(DSSM)is established by constructing two initial sub-models named Basic Location Model (BLM)...

For the large-scale integration of renewable generation into power grid and strengthening of active load regulation ability, the power transmission and distribution network coupling has become closer, and the contradiction between the source and network has been more prominent, which has brought new...

There is hard to obtain the harmonic parameters exactly for the fast Fourier transform in situation of non-synchronous sampling. The cosine window and triple-spectrum-line interpolation FFT algorithm is presented to reduce spectral leakage and improve the accuracy of harmonic analysis. The windowed FFT...

In all eukaryotes, the peripheral endoplasmic reticulum (ER) branches out of the nuclear envelope as a membrane network of interconnected tubules and membrane sheets with a single lumen. In yeast, Rtn1p and Yop1p are major, redundant components required to maintain the tubular ER under normal circumstances....

At present, most of the researches on spray characteristics are focused on free injection cases. This paper researches the spray impingement phenomenon of CTL fuel in a visualization test system by high-speed photograph technology and discusses the influences of ambient pressure and wall distance on...

In this paper, the static and dynamic performance of balance model foam concentrate mix equipment and establish mathematic model of this machine, and analyze by using AMESIM simulation software. According to the national standard foam extinguishing system and parts general technical conditions to relevant...

The MnOx nanowires loaded by cerium oxide are synthesized using hydrothermal method and impregnation method. The products exhibit excellent performance on selective catalytic reduction denitration experiments at low temperature. Meanwhile, the obtianed Mn Ce composite oxide are characterized by X-ray...

Early deformation cracking is a widespread problem in base concrete walls of high-rise building. In the view of material to solve concrete cracking at early age, new-anti cracking functional materials make it by reducing shrinkage and regulating hydration heat. In this paper, several groups of concrete...

Using the knowledge mapping method, this paper makes a visual analysis on the international supply chain management from the WOS database, and found out that the research perspectives of the highly cited references are divided into three distinct research direction，including theoretical model, running...

This study aims to find out the optimized solution for coupled effects of parameters. Different turbulence models were studied and RSM (Response Surface Methodology) was the most appropriate one to deal with optimization of target and investigate interaction of different parameters. In design height...

A possibility and expediency of pumpkin seeds flour utilization for production of biscuit semi-finished product was studied; the influence of the flour on consumer properties of the product was investigated. Studies were conducted on organoleptic and physicochemical indicators of the finished biscuit...

The compaction rate of gravel soil is usually characterized by the “relative density”. In order to calculate the relative density of gravel soil, the relative density property index of soil should be determined firstly, such as the maximum dry density and the minimum dry density. Because of the size...

With the development of economy, demand of energy has grown continuously for residents live and work in. The electric industry will obtain a bigger development space. The maintenance and management of the power system will also get the attention. Line loss and its management as an important way to maintain...

Based on transform domain, this paper presents the research about anti-jamming communication technology. Firstly, it demonstrates the basic principle of transform domain communication system (TDCS), in which message is modulated depending on a kind of basic noise-like function to improve its concealment....

Multipath transport in communication networks is gaining momentum due to its attractive features of increased reliability, aggregated bandwidth, fault tolerance, and load balancing. Multipath transport framework based on application-level relay (MPTF-AR) that uses overly network technique is regarded...

The construction industry faces growing pressure to reduce its environmental footprint while meeting the needs of urban growth and infrastructure development. This paper critically examines sustainable practices in construction, focusing on how policy, technology, materials, processes, and governance...

As the automotive manufacturing industry moves towards high precision, high efficiency, and intelligence, welding technology plays a crucial role in enhancing the structural strength, manufacturing accuracy, and production efficiency of vehicle bodies. To meet the development demands of intelligent manufacturing,...

Nowadays, Portland cement is widely used in industrial and civil construction, road traffic, water conservancy, and other construction fields. In order to promote the wide application of geopolymers in engineering, this study is to solve the problem of the fast setting and hardening of geopolymers. The...

The validation of energy storage devices requires each component to sustain performance under different circumstances. Many key elements of batteries are vulnerable to strain during charging and discharging cycles. Over time and with extensive use, they progressively lose their capacity to recharge fully....

The new student admission selection test is the basis for determining the acceptance of prospective students in higher education. The selection test for new admissions generally consists of a basic ability test (TKD) and a test of academic ability and potential (TKPA). This study aims to analyze the...

With the rapid development of hydropower, the fault of roto winding inter-turn short circuit of large hydro generator set is more and more obvious. We did the research of fault mechanism of turn to turn short circuit of rotor winding of hydro generator, and concerned the condition of saturation of the...

Unmanned Surface Vehicle (USV) is a small surface naval vessel which navigates and plans by itself. And undoubtedly, it plays a vital role in now and future naval battle and sea rescue. Adaptive course control is a necessary part of USV control, and in recent years, many researchers have done plenty...

The smart lock control device has functions of active wireless authentication and GSM remote unlocking. A smart key can match with 8 locks. A smart lock can have 8 keys. When the intelligent lock receives unlocking request, it will send an encrypted authentication request packet on its own initiative....

In order to study the influence of basin on seismic responses of near-fault structure cluster due to the rupture of thrust fault, an integrated simulation method is used and two different models of earth media without basin and with basin are established. The seismic responses of near-fault structure...

With the continuous development of network technology, more and more people are fond of shopping online, the popularity rate of shopping online with the mobile devices is also increasing. However, consumers' trust has become one of the main factors hindering the mobile e-commerce development. In this...

In this paper, we have proposed a Group Selection Clone Immune Model for energy resource scheduling of microgrid, which consists of integrated microgrids and lumped loads. Multiple objectives are considered for load balancing among the feeders, minimization of the operating cost, minimizing the emission,...

This paper from the wisdom of urban construction and management to help managers of small and medium-sized cities that lack of expert resources to better grasp the wisdom of urban construction, study the advantages and shortcomings of analytic hierarchy process in the evaluation of Smart City, determine...

In this study, effects of hydraulic conditions including hydraulic loading rate and hydraulic saturation condition in fixed bed reactor with two different porous media were investigated by retention time distribution analysis. In terms of hydraulic modeling, models of tanks in series, plug flow and their...

Analyzed, the results show that the EGA analysis can effectively characterize solid waste in each stage of pyrolysis. Using the EGA technology, such as paint. RDF release in different stages of the gas composition in the combustion process.Gasification and combustion dynamic characteristics. To master...

With the change of electric power user's requirements, the business needs in electric power industries changes too, in this case, the new subsystem(SS) or information might be requested to put into. On condition of platform conventions, SOA's application could make different systems comply with Enterprise...

Changshu city is located in Taihu Basin, where rivers are belonged to typical plain river-net. Recent years, water pollution in Changshu river-net is poor and serious threatened by potential industrialization and human activities. In order to understand the ecological restoration countermeasure, we conducted...

The nearly 30 years of natural resource utilization and ecological carrying capacity (ECC) of Baicheng region, Jilin province was calculated on the basis of ecological footprint (EF) method within different modes. The results showed that the growth rate of consumptive ecological footprint (EFC) was 48.76%...

Taking a coal-fired unit as the research object, the denitrification efficiency and cost of SCR system are analyzed under burning-coal with different moisture. Though thermal calculation, the gas inlet temperature at SCR system was calculated, then the denitrification efficiency was gotten from the graph...

In this paper, we conduct research on the intelligent household model based on the ZigBee and data security enhancement technique. ZigBee protocol is a kind of close, low power consumption, low cost, easy networking, high capacity, high safety standard of wireless communication technology and it is very...

The performance of polymer concrete is excellent, which meets the requirement of environment friendly. Currently, polymer concrete is rapidly developing in the direction of high performance, low cost and ecology, but its high cost and technological complexity of features severely limit the development...

Relying on North Water Transfer Project, the physical and mechanical indexes that reflect the characterization of expansive soil mechanism and characteristics are deeply investigated. Arming to uncertainty, noise and multi-modal in general experimental of expansive soil, fuzzy sets are introduced to...

Hydrogels have been widely used for biomedical and tissue engineering applications, and there are a lot of both synthetic and natural systems used for these purposes. In this study, we described the synthesis, characterization and properties of a novel hybrid PEG-based hydrogel in situ polymerization....

Considering the limitations of one-way route repair in Mobile Ad Hoc Networks, this paper proposes a novel two-way route repair scheme based on hop-count. This scheme takes the hop differences between the backward and forward node near the broken link as judging rules which decide the direction to repair...

To the synthetic aperture radar (SAR) imaging system which using Compressed Sensing (CS) technique, radio frequency interference (RFI) would undermine the priori sparse condition and cause deterioration of image quality. In this paper, under the condition of the sparse target scene, it builds the target...

This paper has utilized the recycled fine aggregate generated by Zhenzhou South 4th Ring Road Construction Waste Treatment Plant as the raw material to replace the natural sand. By adopting a new determined method of mortar mix ratio, through the determination of compressive strength of 108 cube mortar...

With the development of electric power, communication, network and sensor technology, the applications of wireless sensor network in smart grid will be more extensive. However, the privacy issues of wireless sensor network will also be more obvious with variety of applications, if we do not take appropriate...

Excellent aircraft structure is an indispensable condition for the success of aircraft, and materials play a key role in the manufacturing of aircraft structures. The progress of the aerospace industry is closely related to the innovation of materials, and materials are also the prerequisite for high-tech...

The research progress of membrane fouling control method in water treatment is introduced by four aspects of solution environment, hydraulics condition, membrane property and strengthening coupling process. Former two influence membrane fouling process by changing system charge and membrane surface shear...

In order to search for crashed planes, we discuss that the resistance changes with velocity of the airplane. Then we draw the settlement trajectory without effects of ocean currents by using Runge-Kutta method. We also do gray-scale processing to seabed topography map around the drowning point to get...

The article considers the influence of conditions in the well on the efficiency of layers' opening using perforation. The influence of the type of drilling muds and special liquids on the quality of secondary opening of productive layers was shown. The punched liquid was chosen during perforation and...

The monitoring and control system of tower crane is an embedded system which is based on the CRIO module and LabVIEW platform. It can monitor the work condition parameters and control the executing elements of tower crane. The embedded system configures CAN bus driver module and CAN node field detection...

With the social and economic development in today's technology, the natural eco-environment is disturbed by destruction, and with the improvement of people's living standards, the quality of the environment is poured more and more attention, so for Hydraulic and Hydropower Engineering Eco-environment...

A detailed simulation model of Photovoltaic (PV) generation system based on MATLAB/Simulink and the detailed mathematical presentation, is established first. Its inverter-based simplified model, i.e. the switching-function equivalent model is proposed and simulated, overcoming the limit of traditional...

Nonlinear finite element model of a transmission tower-line system was set up and galloping of iced bundle conductors in the system was numerically simulated by means of ANSYS software The galloping trajectories vibration frequency, galloping order, conductor tension and unbalanced tension characteristics...

In this study, the polysaccharides from Purslane were extracted by ultrasonic method and its content was measured by the phenol-sulfuric acid method using glucose as the standard. The crude polysaccharides were collected and purified by DEAE-Cellulose anion-exchange and Sephadex gel-permeation chromatography....

In order to realize the precision seeding of big seeds such as peanut, in this paper we designed a seeding machine which is characterized in that it is provided with an adjustable intake pipe,The upper end of which is connected with the original air inlet pipe of the seeding machine, the lower end is...

To solve the problems such as difficulty in inspection and inefficiency of quality inspection in the composite riveting process, this paper studies a method of data monitoring during riveting. According to this method, a pressure sensor and a flowmeter are mounted on the riveting tool using integrated...

Observe the deer melon polypeptide injection combined with aerobic exercise to glucocorticoids effect for the treatment of osteoporosis. Methods: selection of wenshan city, the first affiliated hospital of bone surgery in March 2013-November 2014 to receive glucocorticoids sex of osteoporosis patients...

In order to do real-time monitoring disaster prediction and life detection of flammable and explosive, high risk and highly pressure goods in the factory etc. Combination wireless sensor network node with temperature, humidity ,combustible gas concentration sensor ,using four rotor aircraft as a carrier...

This study was conducted to investigate the effect of natural flavonoid quercetin on exercise-induced oxidative damage. Twenty-eight rats were randomly divided into four groups, a control and three quercetin administered groups (20, 40 and 60 mg/kg). Quercetin was orally administered to rats once a day...

Based on the phenological regularity of rubber plantation and availability of data, this paper selected the Landsat satellite remote sensing data at 7 phases in America from 1976 to 2010 and combined and object-oriented classification. This means to set threshold based on vegetation index and carry out...

This paper researches HVDC operating characteristics and its sensitive factors of islanding system based on JinSu UHVDC in China. Several factors such as water hammer effect coefficient, parameter of governor, load model, DC frequency controller, power system operation mode and stability control measure...

This paper investigates the stress-strain behavior of steel-polypropylene hybrid fiber reinforced concrete (HyFRC) under true triaxial compression. Three definitive lateral pressure combinations of 5/10MPa, 4/15MPa and 3/20MPa were performed for different fiber volume fractions and aspect ratios. Axial...

Based on the characteristics of the attitude control system, this paper use the neural network predictive model controller which can identify accurately attitude system and obtain real-time control sequence applied to the controlled object through the model prediction, feedback correction and rolling...

The implementation of efficient water-saving demonstration projects, on the basis of constant pressure sprinkler irrigation project, by increasing the automation control system, constructing a set of the whole network in constant pressure sprinkler irrigation district, implement automatic regulation...

Guano flashover belongs to a form of pollution flashover, whose process is complex. Bird droppings shows liquid and has a certain viscosity and high conductivity, especially the conductive rate of some wading bird droppings reaches 6000~8000 s/cm. This article expounds the guano flashover generally can...

In this paper, we investigate the optimization problem of cloud service composition in cloud environment. First, the performance indexes for the optimization of cloud service composition is introduced. Then we propose an optimization method of cloud service composition, and establish a constrained multi-objective...

The design is based on ZigBee network communication module, which is mainly composed of power supply, master control, display, temperature acquisition, key control section, howler alarm and so on. It mainly uses ZigBee network to monitor the temperature value of collection point. The temperature is collected...

The expression for the elastic field of an expanding ellipsoidal inclusion in an infinite isotropic elastic medium is presented. The influence area of a subsonically expanding ellipsoidal inclusion is given in the form of ex-pressions and graphs. And the difference of the influence area between ellipsoidal...

Based on the Queuing theory and Cellular Automaton model, we design a three-dimensional toll plaza model that has two decks to reduce the congestion and increase the throughput. In order to describe its structure more clearly, we draw the stereo model and plans of it by using Pro/E and CAD. VISSIM has...

Passenger cabin is considered as one of the most important areas in the civil aircraft, and the cabin layout patterns significantly influence the passengers' comfort, airways' profits and the brand images of companies. This research is geared to the needs of dual-channel large aircraft cabin layout and...

MS.Net framework has a cross-language, cross-platform, security, as well as support of open Internet standards and protocols, and other advantages, it is the ideal framework for a new generation of Internet integrated service platform to build, based on the framework for the development of aerobic metabolism...

On the regional sedimentary background, the sedimentary facies was studied by well-to-seismic integration, in view of the complicated situation of the researched region. Based on the analyses of lithologic association, sedimentary structure, paleontology, rock color and its contact relations, well logging...

The adsorbent H8Nb22O59•8H2O and its precursor Rb8Nb22O59 were prepared to produce high-purify NaCl. Their characteristics were studied by X-ray diffraction (XRD), thermogravimetric and differential scanning calorimetry (TG-DSC) and scanning electron microscope (SEM). Two main calcinations factors of...

The hand-held excavator was particularly designed for artificial excatating pile drilling. It consisted of a motor, a gear reducer, a drill stem, a frame and a drill bit. The drill stem was an important component of the hand-held excavator. In order to improve the drilling speed of the excavator, the...

The paper proposes a matrix converter using unipolar IGBT, which is composed of three-phase rectifier and single-phase inverter, and transforms three-phase AC into single-phase AC. The main characteristic of converter lies on the only use of the unidirectional power transistor and no need DC support...

The water resources demonstration of Dashahe reservoir in GuanXian of China was analyzed and discussed through this paper. The Dashahe Reservoir project meets the requirements of various national policies and related plans, and the water meets the water consumption control indicator. Therefore, the water...

An intention prediction algorithm for natural human-computer interaction based on machine vision is proposed in this paper. Firstly, the motion data of human skeletal feature point is acquired. Then, the motion data and the real-time interactive image are coupled through data processing. Meanwhile, an...

This study highlights the positive aspects of GNRFETs and how they could be used to develop simple, fast, and energy-efficient adder circuits. CMOS limitations including drain-induced barrier lowering (DIBL), effects due to length of the channel, elevated leakage current, and temperature-dependent threshold...

Pico Hydro Power Plant (PLTPH) is the smallest scale power plant among other power plants with power generated with a capacity of less than 5 kW. Pico Hydro is one of the renewable energy sources that is environmentally friendly and also considered safe. In this study aims to; Making energy-efficient...

Currently, driverless and artificial Intelligence (AI) technologies are both developing rapidly, and the combination of the two could be instrumental in the development of driverless cars while having great commercial value. Current research on AI focuses mainly on algorithms, and there is still less...

This article presents the conceptual design of the JUARA (Joint Utility Agriculture Remote Automation) tractor research, which was developed to address Indonesia’s agricultural modernisation challenges. The novelty of this research lies in integrating remote automation into a modular tractor design tailored...

With the feature of high pyrite, high gold, fine gold dissemination in a gold tailing, experimental studies of floatation and thiourea leaching were carried out on a gold ore. The results showed that single floatation or thiourea leaching process was not suitable for this tailing. The grade and recovery...