Advances in Engineering Research

With the development of global climate change and infrastructure construction, slope geological hazards have become increasingly prominent. Especially for all infrastructure projects with multiple points and line lengths, slope types are complex and diverse, hazard distribution ranges are comprehensive,...

Gerrymandering implies altering boundaries of districts or constituencies to favor an entity or individual with influence at the disadvantage of another. Electoral malpractices are a significant part of political and scholarly discourse. One of the means by which electoral injustice may manifest is through...

The paper,taking a Honda SUV vehicle tires as an example,designed a outer rotor 18/12 pole doubly salient permanent magnet wheel motor and briefly introduced the design principles for the motor size and the material selection for the main part of the motor . This paper also used Ansoft software to do...

For manufacturing enterprises, holding a certain amount of inventory is necessary, excess inventory is not only useless but also occupied capital, therefore, inventory control is a good way to optimize the inventory struc-ture as well as to improve the utilization of the funds manufacturing enterprise....

In order to solve the recent privacy issues in the process of the smart grid data mining, this paper analyzes the data mining techniques for the smart grid data and states the existing research methods of the privacy issues in the process of the smart grid data mining; Then this paper designs a homomorphic...

In this paper, three fatigue models are employed and proposed for modeling the fatigue life of different fiber-reinforced composite material systems. In order to identify the unknown parameters in these models, Genetic Algorithm (GA) is used for estimating its values. This technique is a stochastic process...

With the development of science and technology, energy has been widely applied in various kinds of fields. Some studies have shown that the pumps and fans' consumption of electricity is about 6.1% of the country's electricity generation annually. The problem of low efficiency is serious. Nowadays, power...

This paper discusses the Dandong overlapping tunnel project in terms of the stability of existing tunnels by the approaching construction of overlapping tunnels. It uses the Peck formula and the theory of the Kinkler elastic foundation beam. The numerical model is established using MIDAS-GTS. The deformation...

Wireless sensor network has a broad application prospect in the national defense military, medical services and traffic control, and other fields. As the power energy of the wireless sensor network is limited, therefore the effective use of energy becomes a core problem in the sensor network query processing....

An underground geologic model which can reflect the structural characteristics as precise as possible is very important for oil and gas exploration and production. Three-dimensional structural modeling technique provide an effective method for subsurface formation architectural description. This article...

The development environment of Yangluo Port will influence the port’s development strategy. This paper applies the Fuzzy Analytic Hierarchy Process (FAHP) to the evaluation of port’s development environment, and provides a mathematical model about it, then gives the formula of weight. Through making...

A numerical simulation model based on the particle size composition of High Viscous Dredger Fill (HVDF) was established. Consolidation process of HVDF was in the action of Direct Drainage Vacuum Preloading (DDVP) and was in the Graded Vacuum Preloading (GVP), which was described the drainage consolidation...

This paper offers a brief introduction to the importance and development trend of automation system of transformer substation, proposing the basic concept of integrated automation of transformer substation and analyzing the system structure, communication mode, the basic functions and the development...

The traditional universal driving joint has the friction and wear, so its moving parts would get hot and its dynamic performance would become worse when working. Based on the Integration of motors, magnetic levitation, robotics and other techniques, a novel magnetic levitation spherical reluctance active...

By using the software FIRE, the flow structure of 186FA diesel engine were analyzed by numerical simulation. The indicator diagram, velocity field and turbulent kinetic energy in the cylinder were simulated by both the k - model and the large-eddy simulation(LES) model. The results shows that the mesh...

In this paper, we propose the development of multimedia digital library of popular news based on Functional Requirements for Bibliographic Records. The main motivation of this paper is to study the digitization of popular news, focusing on the conceptual design of a changeable data model the system is...

Self-reconfigurable robot is a kind of robot that is able to recover its original function after partial damage of the robotic system. This is achieved by making changes on the partially damaged robot. This paper put forward a kind of self-reconfigurable quadruped robot based on the resilient theory....

This paper discusses the new progress and field application of CO₂ flooding in low permeability oil field to improve oil recovery. The study shows that CO₂ flooding can improve the oil recovery rate of low permeability oilfield by more than 10 %.The practice shows that the liquid CO₂ injection in low...

In this paper, the function of auxiliary safety management subsystem of railway permanent way which used in the state analysis of the track is introduced. The content and process of the auxiliary management subsystem used in the state analysis of the track; the relationship between all components of...

Academic studies concerning pricing efficiency of stock market mainly focus on whether the stock market is an efficiency market and the market form, but do not give quantitative indexes to measure pricing efficiency. In this article, we employed a state-of-art Spring Oscillator Theory to study pricing...

The developing of the globalization of the world economy and regional economic integration, makes China, which is in the period of social transformation, have the situation such as: professional norms empty, professional norms confliction, professional norms unclear, professional norms dysfunctional....

As one of the important sectors of the national economy, the power industry management department should constantly expand the scale of power system. Therefore, it faces increasingly heavy grid development planning task. Based on the research of the vacant area inference, existing classification and...

Localization with FDOA measurements is an important passive location method. Traditional solution to nonlinear equations is Newton's iterative method. However, this method may encounter convergence problems. This paper proposes an algorithm that can find initial estimates by dividing target area into...

Artificial neural networks have been applied in many fields, and with the continuous improvement of neural networks and the combination of other new algorithms, the application fields of artificial neural networks have become wider and wider. In this paper, genetic algorithm is used to optimize the performance...

In view of the eddy current retarder (ECB) power consumption problem, a new type of split self-excited eddy current retarder (S-ECR) is designed in this paper. In order to verify its feasibility and get the best structural parameters, the influence of the structural parameters on the braking torque of...

Structural health monitoring systems measure structural deformations, vibrations, stress, etc., in real-time through sensor networks, comprehensively assessing the health of structures. The quality of monitoring data directly influences the accuracy of structural assessments and maintenance decisions....

Hydroponic agriculture utilises far less water and other resources than soil-based production. Due to the many variables, plant nutrients, and diagnostic methods, hydroponics cultivation is tough to monitor. Recent technical advances have helped find answers by enabling the use of AI-based control algorithms...

Data instances are organized into clusters through a machine learning technique known as clustering. This method is employed to categorize each data instance within a collection into specific groups. Ideally, data instances in different groups exhibit distinct attributes, while those within the same...

Nano-ZnO was successfully synthesized by a sol-gel method with an average size of 26.1 nm. The nano-ZnO was applied to coat the knitted poly(lactic acid) (PLA) fabric with or without further coating using a polyacrylate binder, and the UV protection ability and antibacterial activity of the coated fabric...

An intuitionistic fuzzy hybrid discrete particle swarm optimization (IF-HDPSO) is proposed for solving travelling salesman problem (TSP). By defining intuitionistic fuzzy charisma function, the IF-HDPSO algorithm exploits some other individuals to participate in the updates of velocity and position except...

3-Morpholin-4-yl-1-(4-nitrophenyl)-5,6-dihydro-1H-pyridin-2-one (1) is an important intermediate for the synthesis of many biologically active compounds. It was synthesized from cyclopentanone oxime (7) and 1-fluoro-4-nitrobenzene through three steps including rearrangement Reaction, condensation and...

Heilongjiang province is the lowest temperature provinces in China, the cold environment cause the freeze injury of the hydraulic engineering, the soil slopes of larger canal often collapse, so there is many difficulties in the water transmission of irrigation and draining canals and the engineering...

Bushing dielectric loss factor measurement test is a very high sensitivity. Through the analysis of the measurement data, it can be judged whether the insulation of the equipment is the whole damp, the deterioration of the insulation, and the local defects of the small capacitor. Introduces the method...

Based on analyzing the total energy consumption of cooperative transmission and the proportion of energy consumption of each node, this paper presents a method for calculating equilibrium degree of the node energy consumption and its balance scheme. Comparing with the traditional cooperative MISO scheme...

In this paper, the effects of EDTA and EDDS as chelating agents, chelating-induced maize remediation on Tl-contaminated soils and their heavy metal leakage characteristics under rainfall conditions were studied. The results showed that both EDTA and EDDS could promote the uptake of Tl by maize, and EDDS...

With the rapid development of digital technology, architectural interior design is facing unprecedented opportunities and challenges. Traditional design methods are difficult to meet the increasingly personalized and intelligent space needs, and new design concepts and technical means are urgently needed....

LAMDIK is an independent accreditation agency that accredits study programs in the field of education. SIMAK is a web-based application for the administration and automation of the accreditation process, can synchronize with PD-DIKTI, multiuser (assessor, study program, validator, facilitator), and can...

In view of the disadvantages of superfine fiber nonwovens materials made by polypropylene (PP), such as poor hydrophilcity, deficiency of antibacterial property, poor hand feeling, we chose polylactic acid (PLA) slices as the raw material to make superfine fiber non-woven materials, which is quite antibacterial...

Massive Open Online Course [1,7] (referred to as MOOC) is currently the hottest online education model. It is mainly composed of many micro-course videos, and has greatly changed the way of learning. But most of the micro-course videos in MOOC are traditional, students will feel boring for a long time,...

In order to research the influence of distributed generation access to distribution network, a mathematics model of distribution network reconfiguration with distributed generation is presented in this paper. Fireworks Algorithm is used to solve this problem. According to the characteristic of distributed...

Many new characteristics are introduced in the mobile computing system, such as mobility, disconnections, finite power source, vulnerable to physical damage, lack of stable storage. Since the related log-based rollback recovery fault tolerant schemes may still lead to dramatic performance loss in failure-free...

Manganese-copper bimetal oxide catalysts supported on ZSM5 were produced by incipient wetness impregnation for selective catalytic reduction of NO with dielectric barrier discharge plasma. The significant enhanced activity of catalysts was exhibited with the increasing calcination temperature from 350øC...

The article deals with finding the optimal floatation conditions for the final tailings of wet magnetic separation. To solve the problem, several laboratory tests were made using a floatation machine, which helped to determine the needed reagent composition, temperature and time of reverse cationic floatation....

Ag/AgCl/Ag3PO4 plasmonic nanocatalysts were prepared through the ion exchange and subsequently light-induced process. The obtained samples showed a high photodegradation capacity for prometryn, bentazone and metribuzin under visible light irradiation. Effects of reduction time (RT) and Cl/P in the synthesis...

A long time immersion test of silica fume concrete specimens in sulfuric acid is carried out.On the basis of experimentaldatum, a novel prediction model for sulfuric acid corrosion of concrete based on support vector machine (SVM) is proposed. The design steps and learning algorithm are also given. Five...

Oxalate-loaded microcapsules can be used as applicable catalyst of in-situ heat system for hydraulic gel fracturing. In this study, oxalate-loaded microcapsule was prepared with AS as the shell material via phase separation. The product was characterized by thermogravimetric analyzer (TGA), laser diffraction...

Split appeared after initial interaction between honeycomb core and projectile debris when projectile hypervelocity impact on honeycomb sandwich panel. In order to investigate the split characteristics of projectile debris, a 3D simulation model of projectile hypervelocity impact on honeycomb sandwich...

Aiming at the characteristics of ilmenite ore with a low grade, fine disseminated grain size and containing plenty of mud in Kunming Yunnan, the mineral properties of the ore samples in this area were analyzed and exploratory experiment of mineral processing were researched in this article. The results...

The nonlinear and impact loads in the power network consume large amounts of reactive power. And the amount of the reactive power compensation is different in a state of work. The traditional reactive power compensator is difficult to meet the needs of the reactive power compensation. Therefore, a method...

The aim of the study was to investigate the peculiarities of microbiome and seed bacterial endophytes isolated from different varieties of spring wheat grown in different areas of Eurasia (European part of Russia (Volga region), countries of Central Asia). The main method of the microbiome studies was...

Digitalization of low-pass filter produced from first-order inertia link is carried out firstly in this paper. Then an improved algorithm is proposed to achieve better low-pass characteristics by smoothing the first n-part data and using the smoothed data instead of n-1 based on the first step. At last,...

In project implementation, it is also known as the Implementation Budget Plan. The Implementation Budget Plan is a real cost that is used during the course of the project until the activity is completed. So with the calculation of the RAP before submitting a tender, the contractor can estimate the total...

To enrich the basic theory of the reductive decomposition process of PG(phosphogypsum), emphasis was laid on the exploration of the impact of the main impurities on the process. Firstly, the simulation computation was done on the systems of pure gypsum mixed with coal with or without impurities under...

Taking machinery roadway, ventilation passage of Roadway 8203 of Guobei Mine in Huaibei Mining Group as the research background, applying basic theory of modern solid mechanics, interaction mechanism between metal bracket and bolt were studied in the condition of large loose circle, high ground pressure...

Based on benefits evaluation, a location model of CMS is provided in the paper. According to the character of the highway network, some parameters are simplified to calculate traffic flow and attenuation coefficient in the model. The results verify the rationality and practicality of the method.

According at the inconsistency problem of a large number of electric vehicle lithium in battery group in series, this paper designed the control strategy of hold open circuit voltage, charge and discharge balance and the end of the interrupt equilibrium. This paper combined with the kinematics sequences...

Image enhancement has been an important technique for image analysis. The purpose of enhancement is suppressing noises and enhancing image details. However, most of algorithms only focus on the noise suppressing or detail enhancing. In this paper, an algorithm which could both suppressing noises and...

The specific model of Intrusion Detection Based on clustering and boundary points detection was elaborated in this paper, and the data processing, clustering analysis, intrusion, intrusion response, typical data warehousing the five stages were described. Based on the NPRIM algorithm, the clustering...

The charging characteristic of micro-sized particulates immersed into low temperature argon plasma was studied via particle simulation employing Particle-in-Cell (PIC) and Monte-Carlo (MC) hybrid method. The net charge of a dust particle was determined by counting the number of electrons and ions reached...

In recent years, unattended substation has been widely promoted in power system. Although advanced automation technology has provided technical assurance for the development of unattended substation, the achievement of “no one left” at substations under the current situation requires not only high automatic...

In the history of the Daqing debris flow development zone on the right bank of Dadan River in Lijiang, the debris flow disaster occurred many times, resulting in the destruction of the farmlands near the valley and the destruction of the road and bridge, which seriously threatened the safety of the lives...

The development of technology and information to make millennial society now began to change the way shopping that initially shop conventionally to shop online, The rapid growth of e-commerce market share in Indonesia is already no doubt. With the number of internet users reaching the number 82 million...

As the development of science and technology and the requirements of energy conservation and emission reduction have been proposed, the public’s demands for the requirements of passenger planes have also become higher and higher. However, the commercial airliner has been facing a whole spectrum of problems,...

In order to solve the problem of massive data storage and satisfy the requirements of data confidentiality and integrity in smart grid, this paper analyzes the characteristics of existing security storage solutions, then combines with the special occasions in smart grid, designing a strategy of security...

For achieving the aim of long-term success in executing the "Going-out" strategy, it is essential for Chinese international contractors to manage marketing development risks accurately, effectively and lastingly. A management mechanism and detailed procedure for marketing development risks was developed...

Urban constructed wetlands play an important role in water purification, water conservation, biodiversity conservation and so on. The status of the water quality and the ability to purify water quality are the important evaluation indexes to evaluate the function of constructed wetlands. Constructed...

It is not a pleasant experience to queue for hours in airport security. Our mission is to model the long queuing time of airport passengers. We established queuing models to identify the bottlenecks that disrupt the passenger throughput.

The CS block of Chaoyanggou oilfield is a extra low-permeability reservoir. In the process of water flooding, some problems which influence exploitation effect are commonly found, such as high flooding pressure and insufficient injection in water wells. Based on the analysis of lithology and physical...

The traditional direct torque control belong bang-bang control[1], has a relatively large torque ripple and flux ripple, The space vector pulse width modulation (SVPWM) with direct torque combined[2], can effectively suppress torque ripple and flux, This paper will apply to the feasibility of SVPWM technical...

The model of the power system load has an important impact on power flow calculation,stability analysis.Compared with the traditional load modeling method to determine the structure further identification of the model parameters,using the genetic programming to load modeling do not have to preset the...

Frozen soil is a kind of special type of soil; it’s sensitive to temperature and quite unstable. In seasonal permafrost region, the fluctuations of temperature will cause a large degree of influence on frozen heaving characteristics. This paper selects the highly frozen heave sensitive silty clay of...

In this paper, an energy analysis model is set up in order to clarify the effect of insulation materials on the thermal performance and the energy consumption of building envelope. Three types of insulation materials commonly used in Germany including mineral fiber, polyurethane and vacuum insulation...

Aiming at the fault early warning of transformer oil chromatographic commonly used the methods in the national standard. In this paper, a method is proposed to obtain alarm thresholds of each component gas within transformer oil chromatogram based on statistical analysis of numerous data. Compared with...

EPC process, based on the casting structure, technical requirements, production volume, production conditions determines the casting solution, process planning. In this paper, the author from three aspects , the analysis of die casting process design principles, design principles and infiltration technology,...

The blower with Active Magnetic Bearing (AMB) has the advantage of high speed, high reliability, small size, good adaptability. Power amplifier is an important part of the magnetic bearing system, directly determines the magnetic bearing system performance. The three-level PWM signal generation algorithm...

More and more documents are scanned into digital image, meanwhile, the document scanned into digital image will appear the phenomenon of widespread distortions and shadows. Distortions in a variety of document images have an impact on people's reading comprehension or automated document image processing....

With the advent of era of intelligence, human skeleton identification and capture have drawn more and more attention. Human skeleton identification is the tendency of game design in the new media. However, there is a lack of theory about how to integrate skeleton identification with game design, and...

This paper analyzed the vertical distribution and seasonal variation of Hg in waters in Jiaozhou Bay in 1988. Results showed that Hg contents in surface and bottom waters were in order of spring >summer. In case of Hg contents were relative high/low in surface waters, Hg contents in bottom waters were...

With the development of renewable energy, the demand for related power equipment is growing. This study addresses the issues of high voltage and current stresses on switching devices in conventional quadratic Boost converters under high-voltage-gain applications, and proposes a novel quadratic switched-capacitor...

Based on the pillar blasting recovery and goaf stability control of the 3–6# ore body of Baiyinnuoer lead-zinc mine, a HJC model of lead-zinc mine surrounding rock is established to simulate the safety and stability of this blasting project. To determine the parameters of the surrounding rock HJC model,...

A health and financial crisis has been brought on by the COVID-19 pandemic. The tight restrictions put in place to stop the COVID-19 virus have affected and limited economic activity, resulting in a drop in per capita income and an increase in the population of the poor. This research aims to analyze...

Bioconversion of cellulose and xylose is critical for the economically utilization of lignocellulose resources. Cellulose and xylose utilized strain Bacillus cereus Yc-A1 with highly ethanol endurance ability was present. The strain Yc-A1 was identified according to the physiological and phylogenetic...

Taking overlap joint as the object, it simulates welding process. And it obtains residual stress and distribution curves. By simulating the equivalent form of tack welding, it discusses the influence of tack welding by XYZ displacement constraint, X displacement constraint, node matching and adhesive...

A compressive sensing based method is proposed for reconstruction of radar image of 3-D geometry in this paper. Using the sparse property of the geometry, compressed sensing performs a low-dimensional, non-adaptive and linear projection to acquire an efficient representation of a compressible signal...

3-chloro-2-oxo-butyric acid ethyl ester 5 is an important intermediate in many biologically active compounds such as thiazole carboxylic acids. In this work, a rapid synthetic method for compound 5 was established. The compound 5 was synthesized from the commercially available diethyl oxalate through...

With the rapid development of computer vision technology, Scene Text Recognition (STR) in complex scenarios has become a critical technology in intelligent security, autonomous driving, augmented reality, and related fields. However, traditional Optical Character Recognition (OCR) methods show inherent...

Tea is a widely consumed beverage with significant health benefits, influenced by its volatile and bioactive compounds. This study analyses the volatile profiles and bioactive components of four Bangladeshi clonal black tea varieties BT1, BT2, BT4, and TV23 using Gas Chromatography-Mass Spectrometry...

In order to prevent the four-wheel independent drive electric tricycle in differential drive active steering to understeer or oversteering. It is necessary to control the vehicle, thus setting up four degrees of freedom vehicle model and using the MRAC control strategy to control vehicle. Using simulink...

This paper analyzed the distributions and transfer processes of Cd, As, Cr, Pb, HCH, Hg and PHC in Jiaozhou Bay 1981. In according to the contents, horizontal and vertical distributions, and seasonal distributions of these pollutants, their water quality conditions, pollution sources, as well as the...

In order to make the optimization of model, firstly, supporting policies are pro-posed to ensure the optimal migration pattern; the NGO can increase the total amount of goods and improve the environmental carrying capacity. Secondly, the exogenous events will decrease the quota of refugees and increase...

Ammonium polyphosphate (APP) was encapsulated with different cross-linked structure tung oil phenolic resin(TPF) by in situ polymerization and it was performed that a study on the influence of the cross-linking agent type on the hydrophobicity of the APP microcapsules.The chemical and physical features...

The theoretical calculation formula of the power frequency electric field around the high voltage AC transmission line is improved through the research, and comparing the calculated results with the measured results of the 500kV UHV AC transmission line which has been built, the improved theory between...

The ceramic industry is one of Chinese symbolic industries. From ancient times, the ceramic industry has been the project focused and researched by the government. Because of the small temperature difference, energy-saving, high-level automation and so on, ceramic roller kiln has been widely used in...

A heuristic approach is proposed for the 3-staged two-dimensional cutting stock problem with usable leftover, where the unused rectangular segments can be returned to stock for future use. The approach is based on the recursive technique combined with beam search. A forward recursion is used to generate...

Print mottle is one of the most detrimental factors to general print quality, and to get high quality print, the most important thing is to resolve print mottle problem. The evaluation method for print mottle is proposed by means of discrete wavelet analysis, in which the index of print mottle is built...

With global warming of climate, melting of sea ice in polar region makes navigation in north pole course having been sealed by ice and snow possible. Meanwhile, north pole region gradually becomes a battleground for military and economy between north countries, the mystery of north pole northeast course...

In this study, a rhodamine derivative (RH-PY) with dual color (blue green to orange) and multiple response (light, acid gas, and force) was synthesized. The photochromic enhancement behavior of rhodamine derivative in polyurethane matrix was explored. By complexing polyurethane with RH-PY, the open-form...

Under the combat-targeted network layer description, the paper establishes layered network model for combat-targeted networks so as to facilitate the study on its self-recovery mechanism. Furthermore, it puts forward the optimal self-recovery strategy of the early warning network layer based on the load...

For the second order simplified model of servo system, the traditional PID control method is used to design the feedback controller of the servo system, and the PID control parameters are adjusted to make the output stable and smooth without chatter. On this basis, an improved nonlinear PID control method...

To optimize and control the indoor air distribution and quality, theindoor temperature and humidity were measured based on indoor fresh air system.The one measurementwas indoor temperature and humidity in both cases of return air and without return air in winter respectively. The other was indoor temperature...