Advances in Engineering Research

The matlab programis usuarallyused to make simulation of electromagnetic distribution and the transmission of waves, which dynamiclyshows the propagation of waves. This article focuses on simulating the dynamic process of the propagation, reflection andrefraction of uniform plane wave in a different...

Micro-holes were fabricated using micro-EDM on the surface of WC/TiC/Co carbide, CaF2 solid lubricants were filled into these micro-holes to form self-lubricating tool (MST). Dry cutting tests on AISI 1045 hardened steel were carried out with the MST tools and conventional tools (CT). The cutting temperature...

The ion nitrocarburized layer was prepared on the surface of 42MnCr52 steel sample by using the ion nitrocarburizing process. The nitrocarbonide grains and holes all in smaller scale distribute equably. The nitrocarbonide surface layer is about 18 æm in thickness. The ion nitrocarburized layer is composed...

In FACTS devices auxiliary signals are widely used to enhance damping and mitigation of Subsynchronous Resonance in Power System. Choice of auxiliary signals is indeed a difficult choice. In this paper STATCOM is installed in the middle of Power system and it is shown that computed generator internal...

With the development of lead-free solders, Sn-Zn solder was attracted increasing attention due to its low melting point, cost saving and excellent mechanical properties. However, there are many problems need to resolved, such as poor wettability and oxidation resistance. In order to overcome these shortcomings,...

In order to improve the accuracy of wind power prediction, this paper proposed a new short-term wind power prediction combined method based on particle filter and radial basis function neural network. First, the historical wind speed data are processed with particle filter, and the processed wind speed...

Bangka Belitung Province is an archipelago that has tremendous tourism potential because of its natural wealthand socio cultural potencies which enjoys increasing popularity among tourists. However, it isnow ironically threatened by tin mining activities, including in Bangka Island, in which Bangka Tengah...

The Loose slope composed of soils and rocks, and its internal structure is complex. The stability of the Loose slope is related to the water, load, slope shape and soil parameters. The soil parameter determines the engineering properties of the slope itself. Based on existing research results, respectively...

Environmental protection has always been the focus of our policy. Reducing carbon emissions has already been a common view among countries. China has also launched pilot projects in Shanghai, Beijing and Shenzhen. The implementation of carbon emissions trading mechanism needs to consider many factors....

The residue cracking gasification process is intended to convert vacuum residue into light olefins by cracking and co-production the H2-rich syngas by gasifying the cracking-generated coke. In this paper, a bifunctional base catalyst is used and tested vacuum residue cracking gasification in a fluidized...

In recent years, driven by national policies, new energy automotive market in China was growing explosively, in which battery electric vehicles becomes the main force because of their low emission and high energy efficiency. Customer satisfaction research of product quality characteristic research for...

With the continuous development and improvement of computer technology in practical application, the computer network security requirements are gradually improved, and the understanding of information security connotation is continuously extended. It has expanded from the original information security...

Based on the spatial syntactic axial model, combined with POI data, from the angle of urban road space structure, the paper chooses 10 representative commercial circles in Xi'an as the research object. Firstly, quantitatively calculates its commercial potential, then carries on spatial attribute analysis...

One of the archipelago subdistrict in the Pangkep Regency is Liukang Tangayya District with an area of 11,960 km2 which consists of approximately 55 large and small islands. Connectivity between regions can be improved by providing adequate and reliable transportation facilities and infrastructure, as...

The purpose of this article is to explain the results of a study of effective teaching strategies in learning science in the classroom based on classroom discourse and relevant research. The method used is the literature review by collecting and reviewing the results of scientific studies about learning...

Distillation is a process of separating two or more components of a liquid based on the boiling point. In simple terms, distillation is done by heating/evaporating the liquid then the vapor is cooled back so that it becomes liquid with the help of a condenser. Various studies on the distillation column...

The Barelang63 team competes in the Indonesian Robot Contest, specifically in the Wheeled Indonesian Soccer Robot Contest (KRSBI-Beroda), where ball interception is critical for both offensive and defensive strategies. This research aims to improve the robot’s ball interception capabilities by developing...

Fishing boats are vessels used for the transportation and harvesting of fish and other marine products, as well as for various fisheries-related activities. As these vessels operate in and out of harbors, they inevitably generate waves. The impact of boat-generated waves is important to study due to...

The wind tunnel test research on the open ring-arched large-span roof, based on the wind tunnel test results, analyzed in the wall under different opening rate of the ring-arched local roof shape factor change rule. The results show that: As the opening rate increases, wind pressure on the outer edge...

As a representative of modern tourism equipment, large cruise ships have huge internal spaces and complex structures, providing tourists with rich and diverse entertainment activities and living spaces. Positioning inside the large cruise ships is significant for improving the efficiency of cruise management,...

Under normal circumstances, the rock grades of hydropower projects do not change. However, in cases where the geological conditions are complex or the geological exploration in the early stage is insufficient, the actual rock mass conditions exposed after on-site excavation will change, which in turn...

Pain is a highly inter-variated and subjective feeling. One person’s experience of severe pain might not be the same as another’s. This study aims to examine physiological signals like skin conductance and heart rate variability (HRV) in order to develop a correlation with nociceptive pain and, eventually,...

Urban arterials are major thoroughfares that generally carry heavy traffic volumes serving mobility functions. To address the arterial operational performance issues, a segment of Pragati Sharani (between Kuril Chowrasta bus stand and Natun Bazar bus stand) has been selected. The Progati sharani, an...

Satellites play an irreplaceable role in human daily life, more and more satellites are being sent into space. At the same time, foreign space powers are competing to develop the satellite stealth technology, the safety factors and survival ability of the satellite can't be ignored. Analysis of space...

With the highly development of China's economy and the popularization of higher education, the employment situation has never been so serious for college graduates due to various factors. Therefore, improving the quality of cultivating talents and fostering high-quality talents has turned to be the core...

At present, the innovation capacity of Xi'an is still insufficient compared with first-tier cities, and the innovation ability of a city is closely related to University-industry collaboration. Based on this, this paper uses the Analytic Hierarchy Process (AHP) and the fuzzy comprehensive evaluation...

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

The production of fused slag generated is continuously increasing and is expected to reach 50,000 tons per year as coal gasification facilities and waste treatment systems producing fused slag have been actively adopted recently in Korea. One of the prospective solutions is to make geopolymers with the...

A bullet holes object detection based on wavelet transform using fusion rules is proposed to overcome the limitation of the bullet holes detection using image difference technology that exists over-detection or leak-detection because of the noise interference and has harsh request for imaging condition....

Base on elastodynamics, complex function method with mapping function and Green's function method are used to investigate the scattering of SH waves by an elliptic inclusion with a partially debonded region. The bi-material half space is divided into two parts along the vertical interface to investigate...

For the real-time, on-site, direct monitoring of coalfield fire area temperature, we developed a permanent WSN monitoring system with the functions of continuous collection, high temperature detection, remote control, etc. By designing the software and hardware of SPI interface between the JN5139 chip...

To avoid the fire and explosion danger in the current coking coal moisture control technology, a new coal moisture control technology was proposed in this paper where the superheated steam was used as the drying medium. A self-developed lab scale superheated steam drying experimental setup was constructed...

This thesis chooses the evaluation index of city modernization, strategic deployment and economic development coordination, and the city is the present and future development of the society, environment, economic strength and people's quality of life to adapt, is composed of a series of interrelated...

Due to worldwide awareness of the need for environmental preservation, considerable weight has been given to developing technologies and methods that promote sustainability, underscoring studies on recycling urban solid waste such as sewage sludge ash (SSA) as a source of raw materials for this industry....

1. Objective: In order to solve inventory control problems of auto parts in automobile industry, such as overstock, stock capital was exorbitant and so on;2. Methods: Value, stock out loss degree, purchasing lead time, profit rate and demand rate were selected as the evaluation criterion. At the same...

In this paper, the corrosion characteristics of Austenitic steel 304 in nearcritical aqueous solutions containing 1000 ppm chlorides, and chemical oxygen demand (COD) of 2000 ppm, was investigated. The samples surface were examined using scanning electron microscopy (SEM) equipped with energy dispersive...

With respect to the problems of idle consumption and luxury consumption existing in the present cloud computing platform, and the current situation that the traditional graph mining method could not satisfy the massive data mining, A dynamic graph mining method for minimum energy consumption optimization...

For the manipulator which is used to execute maintenance tasks in the Tokamak reactor, solving the problem of collision-free path planning is the premise. This paper introduced the Single-RRT and Bi-RRT algorithms then used Bi-RRT algorithm to make the path planning for the motion of a redundant manipulator...

The propagation characteristics of acoustic emission (AE) signals in different structures are very important for condition monitoring and fault diagnosis. A bearing-shaft-rotor system is adopted to analyze propagation characteristics of AE signals, such as reflection, transmission, attenuation, energy...

A design of microstrip antenna for application in Beidou navigation system is presented in this paper. To achieve the miniaturization of microstrip antenna sizes for better using in Beidou navigation system, the techniques of bending the microstrip line on the substrate layer and the through-hole on...

The article investigates the effect of vulcanization process on electromagnetic shielding and mechanical property of the conductive silicone rubber filled with the silver-coated carbonyl nickel powder. The results show that the post curing process can remarkably improve the electromagnetic shielding...

With the advent of the era of big data, the computing efficiency of computers has become higher and higher, and the artificial intelligence technology has been booming. These technologies have continuously developed to provide technical support for the text-to-scene conversion and brought new challenges...

The infrared leak detection technology of SF6 equipment can detect and locate the gas leakage without power failure, and realize the real-time transmission of fault image, improve the efficiency of maintenance, ensure the safe and stable operation of SF6 electrical equipment. In this paper, the problem...

The article is devoted to the method for calculating carbon dioxide еmissions of cars using vegetable oil as a diesel fuel additive. The method based on the fundamental principles of the theory of automobiles and supplemented by revealed patterns allows for analytical calculation of carbon dioxide emissions...

The insurance of the safety of extended facilities, such as pipeline systems, raises the issue of continuous monitoring of their technical condition and control of accumulated damage. A similar problem arises in the operation of hazardous facilities with a large surface area, which include oil and gas...

In order to solve the problem that the high bit inconsistent rate between the two parties in the legal communication affects the key length , an improved CQA algorithm that calculating the log likelihood ratio that each bit is '0' or '1' after quantization sample value is proposed. Suppose both parties...

The cemented carbide cutting tools were experimentally performed to dry cut high manganese steel (ZG Mn13) at high speed, and the high-speed cutting behaviors and the effect of cutting parameters on cutting quality were investigated, and predict model of surface roughness for high-speed cutting was established....

Taking Chongqing Metro Line 5 tunnel project as an engineering example, which is a shallow buried large section tunnel. The finite element numerical analysis software MIDAS-GTS was used to establish the three-dimensional finite element model of the tunnel. The analysis data was compared with the site...

At present, deep learning has been recognized as the best research direction of face recognition. This paper describes the basic principle of neural network technology, uses deep learning framework Caffe to build neural network, and realizes face recognition by experiment. It also puts forward the major...

Melinjo (Gnetum gnemon L.) is a native plant in Indonesia. Melinjo peel is generally disposed of, although it contains tannin, flavonoid and saponin, which can be used as antimicrobial compounds. The purpose of this research was to analyze the antimicrobial activity of melinjo peel extract. Maceration...

Learning Journal is one of communication tool for students in learning, in order that lecturer was being able to identify the student’s learning outcome so far. Besides, it was able to enhance student’s understanding which was expected to enhance the learning outcome. The student’s understanding was...

The accelerating global demand for food (Gerten et al. (2020) - Feeding Ten Billion People), dwindling natural resources, intensifying climate change, and mounting pressure on land productivity have rendered traditional agricultural models increasingly inadequate. In response, innovative production systems...

This study examines the relationship between urban planning factors, specifically the number of schools, the number of teachers, and education funding, and their impact on population quality, using Nanjing as a case study. Through principal component analysis and multiple linear regression, the study...

International trade through Indonesian waters, particularly the Strait of Malacca and the Sunda Strait, has led to an increase in ship robbery and hostage-taking for ransom. Implementing the ISPS Code, as part of international efforts, aims to enhance the security of ships and port facilities. This study...

The global shift toward sustainable energy systems highlights the need for efficient and low-emission hydrogen production technologies. Anion Exchange Membrane (AEM) electrolysis presents a promising pathway for green hydrogen generation due to its compatibility with non-precious metal catalysts and...

Aim: This study aimed to evaluate the therapeutic potential and mechanisms of Myristica fragrans Houtt. (MF) in hepatocellular carcinoma (HCC) using network pharmacology and molecular docking. Methods: Active compounds of MF were identified via the TCMSP database, and corresponding targets were predicted...

With the increasing competition in the international semiconductor industry, SiC MOSFET has become a research focal point in the power semiconductor field due to its material advantages as pivotal role. However, its reliability issues under extreme temperature conditions severely hinder practical applications....

Intelligent path planning algorithms have emerged in the present time of rapid technological development, and intelligent path planning algorithms play an important role in enhancing the operational efficiency and intelligence of robots, vehicles and other moving entities. Among them, A* and Rapidly...

In this study, the carbon emissions of the road section from Yandun Toll Station to Erpu Mainline Toll Station of the Xinjiang G30 Line were meticulously quantified using the “Carbon Emission Factor Corresponding to Load Method,” which is currently regarded as the most precise methodology in the field...

Nanocomposites reinforced by carbon nanotubes exhibit great advantages in engineering applications. The waviness of nanotubes is one of the important factors which affect the effective elastic modulus of nanocmposites. This paper aims to develop a new model to replace the wavy carbon nanotubes with effective...

In this paper, based on the particle swarm optimization in the environment of all the particles and their own search experience, using immune network mechanism of the clonal selection mechanism, this paper proposes a particle swarm optimization algorithm based on immune network mechanism. Based on the...

This paper is to propose a practical method for two-step fault location of distribution network with incomplete measurement. In the first step, the Ant Colony Optimization Algorithm (ACO) which is applied for location in measurement areas is used to locate in the whole networks. In the second step, the...

Objective: Matrine was made into solid dispersion sustained-release tablets. Methods: Ingredients are screened by single factor test and orthogonal ,forming ingredient of sustained-release tablets was determined by appearance,formability, dissolution and d hardness of tablets. Results: The result showed...

This paper investigates the effects of time-delayed feedbacks on Tuned Mass Dampers (TMD) in the galloping control based on a theoretical model. The Runge-Kutta integration algorithm method is used to solve the model. Then we analyse the effects of the time delay T and the gain strength K of the time-delayed...

In the pumping station engineering system, the inlet sump and inlet channels are very important components. Surface vortex, sidewall attached vortex and floor attached vortex of the pump sump is one of the important factors affecting the stable operation of the pump. In order to represent the influence...

From Cinnamomum camphora, ten compounds were isolated and identified as 4-hydroxysesamin (1), 3,3 -dihydroxy-4,4 -dimethoxytetrahydrofuran lignanoid (2), 3, 4- methylenedioxyphenyl-3 ,9-dihydroxy-4 -methoxy- tetrahydrofuran lignanoid (3), lyoniresinol (4) , (+)-3 -(3, 4 – methylenedioxyphenyl)- 1,2-...

Recently Liu et al.(Int. J. Theor. Phys. 53:4079, 2014) had shown that a special form of three-qubit entangled state can be teleported by using a five qubit cluster state. However, we demonstrate that five-qubit cluster state and five-qubit von-Neumann projective measurements are not necessary to complete...

Liaohe depression Paleogene shale has great potential in shale oil and gas exploration. Well logging technology is an effective means to evaluate shale oil and gas. The logging response characteristics of Paleogene shale were studied and the separation form of acoustictime and resistivity curves were...

The structure characteristic of the main reducer of one rear drive automobile was introduced in this paper, and also the bearing preloads effect on the supporting stiffness of main reducer was discussed. Analyzed the calculation of bearing preload theoretically, and compared it with the simulation through...

The local interface formulation for nonlinear dynamic analysis of large structures is presented using domain decomposition and preconditioned conjugate gradient (PCG) technique. In the formulation, the PCG algorithm is formulated using the unassembled local Schur complement matrices of subdomains. Incomplete...

Cygwin is a Unix-simulated environment running on the Windows platform.Mb-System is a Unix-based multi-beam bathymetric data process open source software that can be installed and run on Cygwin. This paper introduces the installation of MB-System on Cygwin and its main functions, and then the detailed...

The global features of character image design determines that all the design elements should be grasped, thereinto, as an important part of the design, costume color choice has the key effect and core value, and directly affects the overall effect of character image design, therefore, it is of vital...

Information of ensuring explosion-proof properties of mine electrical equipment is one of important problems of ensuring safe operation of electrical equipment in coal mines are provided. It is shown that this process is very difficult and a little studied. The analysis algorithm and identifications...

In view of the micro-polluted cellar water quality characteristics of the northwestern town,we study natural biofilm with cellar water for coal activated carbon by 1mm, 2mm, 3mm and determine the biological activated carbon microbial adaptation period, biofilm growth, biofilm maturation time , and study...

The Autoclam tester was used to measure the air permeability, hydroscopicity and water permeability of the high performance concrete mixed with basalt fiber. The effect of the content of fly ash and basalt fiber on the impermeability of high performance concrete was analyzed. The results showed that...

This paper elaborates the composition and function of the flight simulation system according to characteristics of UAV flight simulation in simulation training device. Flight control model and navigation model are designed based on the Matlab/Simulink to solve mode switch and other key technical difficulties...

with the rapid development of China's economy, promote our country science and technology level to a certain extent, but also led to the overall level of substation automation technology in China, through the construction of the implementation of intelligent substation in China, so that it can be in...

Harmony and contrast is the rule that the agricultural equipment design have to observe. Harmony and contrast of the linear, harmony and contrast of the surface, harmony and contrast of the volume, harmony and contrast of the color, harmony and contrast of material texture, harmony and contrast of line...

Radon is a radioactive inert gas that is produced naturally from the decay of uranium to radium. As it is formed, it is released into air or water-containing pores between soil and rock particles. From soil and rock natural forces move it into the earth and it dissolves in groundwater. This is of great...

With double hole Steel corrugated pipe as the background, this paper adopted finite element analysis software ANSYS to make numerical simulation of the interaction between the pipe and the soil. At the same time, the field experiment was carried out. Comparing the results of numerical simulation with...

At present special machines with built-in electric drives, including the electric drive of rotation of the wheelset, are used for turning the wheelset bandage without moving it from the locomotive. On the other hand, to move the locomotive to the turning point of the bandage, it is necessary to use an...

In view of large deformation of return air roadway in No. 10 coal mine, this paper puts forward a new support of D section steel tube filled with concrete. In this paper, method of numerical simulation has been used to analyze the effect of this support. Based on compression simulation of circular ring,...

In the recent literature, the architecture of virtual power plant was proposed to replace the current smart grid in the future. However, the energy sharing concept and the uncertainties of intermittent energy sources will cause the short-term energy management for the virtual power plant much more complicated...

Electric field distribution in cable joint can be enhanced because its structural complexity, this forms interface discharge between the main insulation of cable and the insulation of cable joint. Polypropylene (PP) has good electrical property and is suitable for being used as insulation material of...

In recent years, three-dimensional display technology has developed rapidly, and its applications in medical, scientific research and games are very attractive. The research and development of magnetic resonance imaging(MRI), computed tomography(CT), ultrasonography(US) and other medical imaging equipment...

The present study aims to elaborate the particle in-flight behavior during plasma spraying and its significance in determining the microstructure and mechanical properties of plasma sprayed yttria partially stabilized zirconia (YSZ) thermal barrier coatings (TBCs). The as-sprayed YSZ coatings were characterized...

Visually impaired individuals have limitations in vision to capture the information; thus, they have their uniqueness in performing cognition maps. This research is conducted to identify the cognition map by visually impaired individuals in SMP/SMALB A YPAB Surabaya. Based on initial observation, the...

In the petroleum industry, produced water is regarded as the significant waste stream that constitutes a comparatively higher fraction of hydrocarbons, heavy metal ions & various contaminants. Because of the minimal quantity of freshwater, there is a need to investigate other resources. Using produced...

Most of wood in Indonesia is dominated by fast-growing wood such as gmelina (Gmelina arborea) and materials such as coconut (Cocos nucifera). Using fast-growing woood natural forests, increase economic growth, and is more environment friendly. The objective of this study was to improve the wood properties...

Increased load support performance can be achieved by adding texture on the bearing surfaces. A study on the high textured effect on the hydrodynamic thrust bearing by cavitation is presented in this paper. The textured surface is applied in rectangular geometric with several dimension. The single-textured...

Room temperature is one of the basic requirements for experimental laboratories that require temperature stability. Community efforts in incubating eggs, the incubator requires a stable room temperature with temperature monitoring on a calibrated thermometer and many other examples. With these needs,...

Integrating ethics into engineering education is essential for cultivating socially responsible professionals. This study presents a traffic simulation-based experimental pedagogy that embeds ethical reasoning into a traffic signal control course. A “semi-flipped + semi-autonomous” teaching model is...

Wax injection machining is the only technique to produce many ideal products in large volumes, which is the most common method in the investment casting process. One of the products that has the highest number of orders in metal casting companies that use investment casting techniques is the VS 2/4/6...

Accurately evaluating the full life cycle carbon emissions of wind - storage power stations is vital for sustainable development amid the “Carbon Peaking and Neutrality Goals”. Unlike partial assessments, full life cycle ones are more complex and uncertain due to the need to cover all phases’ carbon...

With the digital transformation of the construction industry, the application of digital twin technology in smart buildings has become a research hotspot. This article explores the application of digital twin technology in energy management of smart buildings, aiming to improve the energy utilization...

Electricity plays a crucial role for a better operation in railways. Therefore, it is necessary to maintain the electricity to run continuously without disrupting the network. Tower R.67 of Mount Gending serves as the base station tower, located in the area of Sintelis Kalibaru Resort, which utilized...

This study investigates the utilization of artificial intelligence (AI) algorithms to enhance drilling efficiency in the Shunbei oil field. By integrating machine learning and data analysis technologies, we can optimize the drilling process, minimize non-productive time, and improve overall productivity....

K-Means and DBSCAN algorithms belong to Supervised Learning, they are one of the popular clustering algorithms used in Machine Learning/Data mining that do not need to be labeled. Both algorithms are always compared with other algorithms to find superior clusters. Bibliometric was used as a research...

Water is a liquid that plays an important role in our daily lives that has properties that are easy to distribure from high to low pressure places and the opposite from high to low pressure places using an airlift pump that working principle in the form of transporting water with the help of a mass flow...

In order to enhance the sales profit of fresh food supermarkets, a universal replenishment and pricing strategy applicable to vegetable commodities is proposed. First, multiple machine learning techniques are applied to deeply explore the potential relationship between the sales volumes of different...