Advances in Engineering Research

Ride comfort is an important performance index of a automobile, and it directly affects people's riding comfort. Suspension system is an important factor affecting the ride comfort of the car. In the paper, the influence of suspension on vehicle ride comfort was analyzed, then a model of automobile suspension...

The study describes ways of obtaining extracellular matrix from livestock organs and using the obtained powder and gel in practical veterinary medicine and presents the description of the obtained histological results.

In order to solve the problem of insufficient output stability accuracy of saucer-shaped aircraft with simplified non-minimum phase linear model, a fuzzy backstepping and integral compound method is designed based on the fuzzy backstepping control by measuring the attitude angle and angular velocity...

By introducing the time value of knowledge and natural selection pressures, extend the existing organizations to explore and multi-body simulation model uses learning and assess the impact of the two types of IT organizational performance. One technique is to support mutual learning between the lateral...

The inner plate can be used to stiffen square tubular T-joint in order to improve the performance of square tubular T-joint and improve the radial stiffness of square tube. The research based on numerical simulation in the paper proved that RHS joints with inner stiffened plate had better ductility,...

Cleaning is an important procedure of used parts remanufacturing process and the paint-removal on the surface of used parts is a difficulty during cleaning process. The surface paint of three materials cast iron HT250, cast steel ZG270-500, and carburizing and quenching steel 20CrMnTi were cleaned by...

Unpaved road and road surface regolith are taken as the research objects in this study, 15 main roads in production and construction projects in Shannxi Province and Inner Mongolia Autonomous Region were investigated, road simulate and artificial rainfall experiments were carried out. The results showed...

Hydrogen is expected to replace part of the fossil fuels in the future. Distributed wind and solar power is possible to produce hydrogen as an important primary energy source in order to enhance flexibility in energy distribution. The object of study is electricity-heat-hydrogen energy station composed...

The ZY-1strain, a fresh water microalgae isolated in our former work, was viewed as a possible means of CO2 fixation from fuel gas. In order to confirm the possibility, the influence of SO2, NO and dissolved components of the soot dust in fuel gas on its growth was investigated. The results were showed....

This article summarizes the following, based on the blind area of CFRP shear bearing capacity calculation and combined with several calculation methods given by some domestic scholars in recent years. the literature [1] derives the shear strength formula by the product of the elastic modulus and effective...

This paper studies the trajectory planning and the optimization of the end spray gun of the mechanical arm, aiming at the running distance of the spray gun. The proposed way makes the whole process of gun required to run the shortest distance of the spraying trajectory. It builds mathematical model towards...

Since the laser beam divergence angle is very small, and there is no scattering effect in the space, the positioning technology of laser source is a difficult problem in the field of laser detection and interference. In this paper, a new method based on the scattering of the laser beam is presented,...

Aimed at the problems of asphalt pavement temperature shrinkage cracks, numerical simulation method is applied to study the spatial-temporal distribution of asphalt pavement temperature field caused by periodically varying temperature and continuous cooling. Based on permanent asphalt pavement temperature...

In order to find out the accumulation of ascorbic acid in different tissues of Ziziphus jujube‘Zhanshanmizao 1’, this experiment used Ziziphus jujube‘Zhanshanmizao 1’as the test material to determine the ascorbic acid content in different developmental stages and flowers of Ziziphus jujube‘Zhanshanmizao...

To obtain the best appropriate method and optimum extraction conditions of total alkaloids from Zizyphi spinosi semen (ZSS), the conditions of reflux extraction were optimized by single factor experiment and orthogonal design respectively. the experiment results were as follows: 20% acetic acid resolved...

Image segmentation is a critical stage in analyzing an input image among the different image processing techniques. Its purpose is to reduce complexity and transform an image's representation into something more relevant and easier to examine. It has numerous applications in a variety of fields....

The slope of hydropower engineering belong to which kind of risk level should be verified. Summarized the research results of safety standards and failure probability about slope, proposed slope acceptable risk criteria (failure probability), computed safety factor and failure probability, reliability...

In process mining, one of the major challenges is to find a process model in the best possible way through the describing observed behavior. The hidden transitions exist in the process models, but not found in the log sequence. This paper is based on the probabilistic behavioral relations from the incomplete...

Through the increasing development of Internet technology, computer walks in every families, the traditional consumption concept and patterns also changed, based on the consumption patterns of the network platform is gradually accepted and recognized. Therefore, the corresponding logistics concept also...

The paper is devoted to the development of specialized software for simulating the electrodynamic processes in induction motors. This software includes both the graphical interface and the computational modules based on quasi-3D finite element modeling of electrodynamic processes as well as 3D finite...

Remote handling maintenance (RHM) is the act of monitoring and maintaining equipment in a safety zone away from the site by applying a manipulator (robot) or special equipment inside the nuclear device to reduce the exposure dose and labor intensity for personnel. RHM technology is an important and indispensable...

With the rapid development of our country's economy, modern society has entered the information age. Computer technology, communication technology and the development of computer network technology, automated information processing ability and level enhances unceasingly, information technology in all...

Gongbei Tunnel project at the Zhuhai link of Hong Kong-Zhuhai-Macau Bridge is to be constructed by a new construction method – “Freeze-Sealing Pipe Roof” (FSPR), serving as a forepoling system, combining with mining method. The primary purpose of this paper is to analyze the problem of frost heave in...

We analyzed the substance content change in marine based on water exchange, and provided definitions and formulas for horizontal loss amount, vertical dilution amount and vertical sedimentation amount. A case study in analysis the change of Pb contents in Jiaozhou Bay was provided to exhibit the application...

In this paper, aluminum alloy and titanium as the research object, the resistance spot welding and post-weld heat treatment were conducted to study the Al/Ti interface reaction layer formation and growth characteristics. Besides, the effect of heat treatment temperature on the growth of Al/Ti bonded...

The automotive suspension system is crucial for vehicle comfort, handling, and safety across diverse road conditions. Its design and performance directly influence the driving experience and vehicle durability. With the automotive industry’s continuous evolution, assessing the fatigue life of suspension...

This paper aims to the physical characteristics of rock mass in the course of rising from room temperature to 600 C. The maximum stress is reduced from 29.95MPa to 15.65MPa when the temperature rises above 400 degrees, the modulus of elasticity decreased by even more than 90% between 250 and 400 C. The...

In this paper, we further study some sufficient conditions for complete convergence for weighted sums of arrays of rowwise negatively dependent random variables with non-identical distribution under some weaker moment conditions. Our result generalize and improve the corresponding result of Wang et al....

To study the influence of doping on p-type solar cells, we use the p-type NiO/CdTeO3 structure to fabricate Mg-doped CdTeO3 quantum dot-sensitized solar cells (QDSSCs), by doping CdTeO3-sensitized NiO photocathode with dopant element Mg. When the doping ratio of Mg is 1:30 and the successive ionic layer...

In this paper, a method for estimating the system harmonic impedance and harmonic emission level based on the pan-normal impedance cloud is presented. First of all, based on the basic principle of fluctuation method, it can be obtained that the key to estimate the system harmonic impedance is how to...

We predicts the future trends of Ebola. Following the SIR model, we construct the similar ‘NSPC’ model to describe the fluctuation of four classified cases. Because of the discreteness of data, we replace differential equations in the NSPC model with difference equations. Then according to historical...

In this paper, the complexity of the network integrity is analyzed based on the topology structure. The generalized scale free network model is used as the research object, which is defined to describe the complex degree of the overall behavior of the network. In order to understand the influence of...

In view of the problems of the randomness and fuzziness that in the process of the evolution of ecological security, in this paper, proposed a comprehensive analysis model based on NC (normal cloud) –AHP. The regional ecological security index system was constructed based on the ecosystem state, ecosystem...

According to the error of the data processing algorithm applied in the GPS positioning system which is applied in agricultural machinery especially in combine harvester, the application of ARM processor is used as the data processing module and the geographical positioning information is collected by...

Currently, advanced support technology of leading pipe –shed is often used in the excavation of the portal section, but the design parameters of leading pipe –shed and the support structure haven’t yet form a unified standard. The author analyzes its force theory and design parameters. Combined with...

Wind turbine condition monitoring and fault warning has important practical value to reduce maintenance costs, improve operational efficiency and reliability. In this paper, the characteristic parameters of SCADA system monitoring, based on the principle of similarity modeling techniques, through reasonable...

By using a wireless remote networking, and cloud computing platform technology, this system can collect idle space and time from every company or unit who has its isolated cold-chain transport system. Those information of every refrigerated truck’s time, spare space and route can be opened to all of...

For short focal length and large field of view, fish-eye lens has been widely applied in such fields as virtual reality, video surveillance, intelligent transportation and robot navigation, but it is necessary to correct the severely distorted images taken by camera with fish-eye lens into the perspective...

Due to their relatively enclosed characteristics, tunnels facilitate rapid spread of fire and accumulation of harmful smoke gases, posing a significant threat to the safety of human lives and property. The heat release rate (HRR) is a critical parameter that characterizes the scale and severity of a...

The growing interest in location based service and wireless security necessitates the development of an effective scheme which can actively locate the attackers. In this paper, a novel localization scheme is proposed, called F-ALD, which can actively locate attackers without depending on any signal features....

through the overall structure analysis and design of hotel management information system such as system software structure, system network structure and work procedure etc, this system realizes network management of hotel business, solves information communication and procession among departments. This...

This paper presents the indicators of quality of the grain obtained by harvesting winter wheat with conventional and rotary combine harvesters. It was identified that rotary combines substantially decrease both shattering and micro-damage to grain. The results of the research indicate that agribusiness...

It is important to the aero-engine blade's profile inspection that the aero-engine blade's surface is highly complex with distortions. But its dimensional inspection demands a large number with measurement method most adopts the coordinate measuring machine (CMM). And the rational measurement path planning...

An innovative mode of public transport(PT) service, known as customized bus(CB), has been springing up across China. This service, providing advanced, personalized and flexible demand-responsive PT, is offered to specific clientele, especially commuters. In order to resolve the problem of passenger personalized...

Graphene nanosheets (GN) were efficiently prepared through one-step liquid-phase exfoliation of graphite powder, and then used to modify the surface of glassy carbon electrode (GCE) by drop to form a GN/GCE nanointerface. Subsequently, 4-amino-5-cyano-2-mercapto-6-phenylpyrimidine (ACMP) was electropolymerized...

This paper discusses the concept and characteristics of the computer simulation technology, and the general process of the simulation design, puts forward the problems in applying the computer simulation technology in the physical education, and analyzes the development prospect and significance of applying...

Time—varying, nonlinear and multivariable coupling are characteristics of temperature. In the temperature control process, the detected temperature is often lags behind the regulation of temperature, which will cause the phenomenon such as the temperature of the controlling system overshoot and temperature...

The development of bio-fuels were introduced, and it has greatly potential application. Pyrolysis process was benefit for the second-generation biofuels. The reaction mechanism of pyrolysis were summarized elaborately in this review. Main pyrolysis reactors and their research status were described, at...

Luminescent gold nanoparticles(NPs) modified by Polyvinylpyrrolidone (PVP) with high stability and well dispersed property were successfully via synthesized hydrothermal method. UV-visible spectrophotometer, fluorescence spectrophotometer, fourier transform infrared spectrophotometer (FT-IR) and transmission...

In this paper, a propeller model which is common used in small multirotor aerial vehicles is created in CATIA software. To analysis the aerodynamic performance of the propeller in wind field, numerical simulation method in fluent software is used. Through the building of computational domain, meshing...

Garbage leachate high concentrations of organic matter is considered difficult to deal with wastewater ,The complex and changeable water quality makes traditional processing method difficult to achieve better treatment effect. So the electric coagulation method processing technology application becomes...

Based on the second-order simplified model of servo system, a new kind of nonlinear sliding mode surface is adopted, and the derivative of sliding surface is derived to obtain the variable structure control law of servo system. The Lyapunov function is chosen to ensure the stability of the whole system...

Along with the development of Machine Learning, statistic and Artificial Intelligence, people are exposed to myriad of big data. Meanwhile, accurate data analysis is difficult. Echo state network (ESN) algorithms are widely researched and applied in many fields. Owing to their potential for exact prediction...

In this age, transportation and technology are rapidly advencing. Innovations continue to take place in every new invention. Unfortunately, public awareness is often not in line with the balance between the ecosystems and the environment. This causes the issue of global warming. One of the main factors...

In the oil and gas exploration industry, martensitic stainless-steel (MSS) pipes are commonly employed for its corrosion and abrasion resistance. Binding materials with a thickness of less than 6 mm is typically accomplished using a TIG welding procedure with ER410H as the filler material. It is believed...

In the past decade, multiple accidents related to spent fuel pools have occurred consecutively, a large part of which are related to the large sloshing of the liquid inside the spent fuel pool under earthquake action. In order to study the influence of liquid sloshing on the dynamic characteristics of...

Since the theory of virtual reality unfolded before our eyes, computer technology and interaction technology develops. Virtual reality technology gradually applied to a large amount of field, and brought its remarkable results. As an integral part of human life, medical education is drawn people's attention...

Siltation in the rivers downstream of floodgates is serious in China, making the discharge capacity of rivers decrease obviously and threatening the flood control in upper rivers. Tidal wave deformation is the dynamic characteristic of downstream floodgates, sediment from the sea is the main source of...

Eccentric brace was used in the semi-rigid steel frame to improve the lateral rigidity as the steel frame has poor lateral displacement resisting ability and large deformation under the seismic action in spite of its better energy dissipation and seismic performance [1-10]. The elastic analysis under...

The grain refinement effect and related strengthening of alloying element Sb on as-cast Mg-5Y-3Sm-0.8Ca (wt.%) alloy were investigated by microstructure observation, theoretic calculation and tensile tests. The results showed that Mg3Sb2 phase with high melting point is formed in the alloy after Sb addition....

China is characterized by vast territory and wider distribution of strong wind easy-happening areas (typhoon, tornado and squall line wind). Meteorological environment conditions are complex and harsh in power transmission line corridor passage (especially in alpine regions). Safe operation of power...

By using sphere pair with unilateral constraint, the limbs of the proposed pre-stressed six-axis sensor must be under pressure in the measurement process, so prior to measurement, a certain preload must be applied to the sensor. The viable limbs’ number of the pre-stressed six-axis force senor is determined...

Coal quality detection is used to measure moisture in coal, ash content, volatile and quality percentage content of solid carbon, is an important way to understand the characteristics of coal, is also a fundamental basis of evaluation of coal quality. Coal quality analyzer is an important instrument...

Building Information Modelling (BIM) is a powerful tool for architecture, engineering and construction industry. Nowadays, it is widely used in the world. This paper first introduced the development of the design tools, generally three stages, from pen and paper to 3D design with information. Then illustrates...

Based on the MHD model of FLUENT software, we do a two dimensional numerical simulation about the MHD propulsion pipeline of the ship in electromagnetic coupling field. Having validated the established results, according to the research object, we make an appropriate simplification and assumption for...

In order to accelerate the restoration and utilization of mine wasteland, this paper describes an optimization study on substrate materials. The optimization was based on nine well-planned orthogonal experiments (OA9 matrix). The experimental materials were tailings, turfy soil and sawdust, and the experimental...

Automotive repair information disclosure service platform is deployed on the internet which is open to the web users. The system’s security should be seriously considered. The safety methods and technology applied in the process of deploying is discussed, such as institutional construction, server protection,...

For rotor blades of the 1.5MW wind turbine, combined with ANSYS software, finite element analysis had been made. Vibration frequency on the wind turbine blades at different bands has been calculated. The result provided theoretical basis for the operation of wind turbine.

Al-Ti diffusion couples prepared by resistance spot welding are annealed at 575°C for different time. The microstructure of the interface area was investigated. The result shows that there is no obvious intermetallic compound in the interface after welding. According to the SEM (scanning electron microscope)...

For the pile-wall supporting structure system, the failure modes of the excavation are different owing to various retaining structures and bracing systems. Thus the displacement of the soil can be considerably different. By using the material point method, the displacement of the soil with different...

To meet the demands of rotating machine monitoring system for self-power, a novel PZT wind generator (PWG) was presented. The influence of magnetic force (number and configuration of the magnets) and wind speed on energy generation of the PWG was investigated experimentally. The research results show...

This paper uses OLS parameter estimation method and GDP, per capita disposable income, export, foreign investment and exchange rate fluctuations as the five factors for our multiple linear regression analysis, and the economic significance, statistical significance and econometric test are made. The...

In order to recycle the waste heat of the dyeing and printing factory, analysis about dyeing and printing waste heat and its current running system of the factory were obtained in this paper. Analysis indicated that most of the waste heat was unemployed. The recycling order of all kinds of waste heat...

In this paper through the establishment of the Midas model, mainly discusses the non abutment slant leg rigid frame bridge in different position in the temperature change stress changes. The results of the study show that, with the Overall temperature changes, no abutment slant leg rigid frame bridge...

Most existing Application layer multicast (ALM) solutions use a tree structure to deliver the multicast data. However, the data distribution of tree-based ALM is unreliable because of group members’ dynamics and the error correlation of the ALM tree. In this paper, we propose a SDN-like loss recovery...

Water ecological carrying capacity of basin is important basis to whether coordinated development for basin resources, environmental and economic society, is important means to impetus sustainable development of water ecological environment and social economy. Take Tieling section of Liao River as an...

Through the analysis of the radar and jammer transmitter and the antenna system, a shared broadband transmitter and antenna design was proposed, which can transmit signals and interference detection in 8~16GHz. Through the analysis of the radar receiver and jammer, a design of integrated receiver based...

In computer vision, real-time object detection is a crucial problem with applications in a variety of fields, including robots, security monitoring systems, and driverless cars. The MS COCO (Common Objects in Context), is one of the most important datasets for object detection techniques. The purpose...

With the increasing demand for light-duty diesel trucks in urban and surrounding areas due to the growth in China’s road freight and urban distribution, the issues of fuel consumption and environmental emissions have become more severe. This paper proposes a fuel consumption prediction optimization model...

Premium coffee has a market segmentation with high prices because it has carried out coffee bean processing following SNI standards, especially coffee quality defects. Drinking coffee is related to the effect of freshness after drinking coffee, and the refreshing product comes from the caffeine content....

This study describes the production process of glass production lines; according to the production process is designed to take the line terminal board manipulator, using Pro/E software to design the mechanical structure of the three-dimensional simulation, but also gives some standard parts design and...

A novel dry electrical discharge micro-grinding (EDMG) method was proposed to grind tungsten carbide in this paper. The V-shape tip truing experimental setup was built to realize the precision truing of diamond grinding wheel micro tip. The trued V-tip diamond wheels after mechanical truing and dry ECD...

In view of the doubly-fed wind power generator (DFIG) under grid voltage unbalance, double frequency disturbance component will cause a series of electrical and mechanical problems. A novel DFIG-DVR system is proposed to ride-through unbalance grid voltage conditions, the series coupled DVR of which...

Automatic vending system is being widely used, the system of business process was mainly related to data flow and control flow, so the soundness analysis for business processes of automatic vending system is more difficult. The existing research about the soundness analysis of the process model is mainly...

The 0.36(Bi(1-x)Cex)ScO3-0.64PbTiO3 (x = 0.01-0.10) ceramics were prepared by using conventional mixed oxide ceramic processing, and the effect of Ce addition on the BiScO3-PbTiO3 (BSPT) system was investigated. The results of X-ray diffraction show that lower stability of the perovskite phase is produced...

In this paper, a binocular vision system is adopted to realize the positioning of the robot. By using color and shape recognition method, the target image is processed by image processing, and the target image is obtained more complete and accurate, and the position of the target object is obtained by...

The working process of the furrow opener is the state of movement between the working parts and the soil particles. The discrete element method (DEM) could not only truly express the geometrical characteristics of the soil particles but also be suitable for the experimental study on the furrow opener....

Base on Markov model, the quality state of Guanting Reservoir is divided, the initial matrix is formed, the index weight by entropy weight is obtained, and the probability transition matrix of water quality variation trend is constructed. Then this model calculates the degree of absolute and comparative...

This paper provides a set of methodological tools including an assessment of the efficiency of introducing new technologies in vegetable farming, the main parameters of business entities, and a methodology of estimating the criteria, whose aggregation allows to define the strategic priorities of an organization's...

Measuring soil water content, soil water repellency and analysis spatial variation of the sugarcane land by combining classical statistics and geo-statistics, in this article. The results showed that: the means of soil moisture content and soil water repellency were smaller, in the case of long time...

Surface soil moisture is a significant parameter in environmental systems. A new sensor capable of estimating surface soil moisture from reflection data is presented, called near-infrared reflection sensor. Relative reflectance method is used for prediction model development. The present study investigated...

The problem of determining the roll angle of a fast rotating object has been analyzed in the paper. Possibility of creating a fast rotating single-axis orientation system that was able to determine the roll angle for a long time with minimal errors, based on data from various sources, has been considered....

In this paper, we prepared Ni/C, Pd/C and Pd-Ni/C binary alloy nano-catalysts by the impregnation-reduction method. The structures of all catalysts were characterized by XRD and TEM. The electro-catalytic performance of all catalysts on H2O2 reduction were studied by cyclic voltammetry(CV) and linear...

For investigating the effects of gradient energy coefficients on the void-matrix interface thickness during Czochralski silicon single crystal, an established phase field model and the corresponding program code were used to simulate the evolution process of a single void. Based on the given criterion...

To solve the problems of nonlinear and input constraints in the iterative learning control system, using real-coded shuffled frog leaping algorithm to solve optimization problem1 in iterative learning control, .A shuffled frog leaping algorithm(SFLA) based optimal iterative learning control is proposed....

Attitude control system of the rigid satellite is a coupling and uncertain nonlinear system with multi-inputs and multi-outputs. This paper presents a sliding mode controller for the satellite attitude system with limited control input and external disturbances. The design strategy can guarantees that...

To improve the efficiency of the query on the data of resource description framework (RDF), the method of storage and management of the data at home and abroad is studied. According to the characteristic of the data that the number of subjects and objects is large and the number of attributes is small,...

Wireless remote control robot car could play a special role in the hazardous environment operations and search & rescue personnel. A multi-function smart car with Bluetooth remote control is selected as my graduation thesis subject. The design of the system hardware circuit schematic and PCB diagram...

Zn1-xMnxFe2O4(x=0, 0.15, 0.25, 0.35, 0.45, 0.55, 0.75, 0.85) ferrites were synthesized by sol-gel combustion method with citric acid as complexing agent, and mole ratio of metal ions and citric acid is 1:1. All samples were sintered by 550 . The structural and magnetic properties of MnZn ferrites were...

The hot ductility behavior of two kinds of 800MPa grade Ti/Nb-added weathering steel has been investigated by using Gleeble3500 thermo-mechanical simulator. The tensile strength (TS) and reduction in area (RA) were acquired to draw hot ductility curve and hot strength curve. SEM fractographs and microstructures...