Advances in Engineering Research

In this paper, a moving object extraction algorithm based on hybrid background subtraction and pixel mean is proposed to solve the problem that the existing object extraction algorithm can not adapt to the moving environment. The algorithm operation process includes target location identification, domain...

In this paper, the pressure model of an electro-hydraulic proportional variable plunger pump is set up through mathematical modeling, and the simulation analysis is carried out with the MATLAB tool. The dynamic response characteristics are obtained, which provides some reference for the research of the...

The results of a study of the change in the microstructure of welded joints of rail steel are presented. Comparison of various methods of structural factor analysis is presented. Comparative studies of various methods of analyzing the structural factor in welded joints of K76F rail steels according to...

The digitalization of archives is to transform the file information of various traditional media such as paper, photographs, audio and video, and film, into digital information through computer technology, and complete the basic construction of file informationization. This information is connected and...

The "national new urbanization plan (2014 - 2020)" was promulgated in China in 2014, will have a profound impact on medium and long term energy demand in China. This paper put forward economy-energy-environmental model system, set up two scenarios (baseline scenario and new urbanization scenario), analyzed...

To guarantee personal and property security, the operational status of wire ropes need to real time inspection.in this study , the static magnetic field of wire rope with different broken wires width was analyzed and calculated using finite element method, and the software named Ansoft Maxwell is used...

The development of internet leads the innovation of the dispute resolution. As the innovative achievements under the strategy of "Internet+", online dispute resolution (ODR) is increasingly applied to the resolution of the disputes. Since ODR are cheap, convenient and flexible, it seems appealing to...

A digital image processing experimental platform is designed based on MATLAB GUI. This platform has good interactivity and expansibility, which integrates multiple functional modules including low-level processing module, noise adding module, image denoising module, image segmentation module, and image...

The world’s most discussed issues are energy and health. Concerns about environmental pollution and health motivated the automotive manufacturers to find solution to reduce the exhaust emission gas. One solution developed at this time is to replace the conventional into electronic fuel injection system....

Changes in land use inevitably influence flood discharge, and the balance of the watershed ecosystem is significantly affected by land use and land cover alterations. Both land use and climate change play crucial roles in shaping the hydrological cycle, and modifications in land use can notably impact...

Sea ice imposes additional loads on offshore wind turbines (OWTs), where extreme ice loads may lead to structural overturning, and cyclic ice loads can cause resonance and result in fatigue accumulation. A substantial amount of research has been carried out on the ice interaction with OWT support structures,...

With the rapid development of IT technology, the field of industrial control is constantly innovating and developing, and PD control algorithm, as a classic and effective control method, will continue to play an important role in this field. By applying the PD control algorithm to the motor control,...

In contemporary society, the growing emphasis on quality of life has underscored the importance of a reliable hot water supply. In this paper, we compare the performance of home water heaters controlled by traditional proportion integration differentiation (PID) methods with those controlled by fuzzy...

Zn-30Al-xCu (x=0, 1, 2, 4) alloys were prepared by the spray atomization and deposition technique. The microstructures of the spray-deposited alloys were investigated by means of scanning electron microscope, transmission electron microscope, X-ray diffraction. The results indicate that the 1 wt. % Cu...

PTFE/aramid woven fiber liners were modified by acrylamide, phosphate ester coupling agent, respectively. The effects of the modified liner on the friction coefficient, the wear loss and the friction temperature of self-lubricating spherical plain bearings were investigated by using self-made compound...

Charger control system is the core components of soft switch charger,its performance determines the technical level of the charger.This paper is based on The ADuC831 MCU and UCC3895PWM, Studies the control system of 7.5KW soft switch charger,designs the hardware system and software system. The system...

A teaching experiment was developed to observing and measuring to cutting process, to improve the teaching performance of the “fundamentals of mechanical manufacturing technology” course. The experiment is carried out on a column milling machine tool; the cutting tool is fixed on the overarm; the board...

With the development of modern society, private custom glasses has become a trend for future development. Traditional handmade time about two weeks,and processing fee is also high. But if you use 3D printing processing, it will reduce the processing time and reduce the cost of processing, and more precise....

In this study I-V characteristic, temperature dependence of resistivity, thermopower, were investigated for thin films on the basis of Ge2Sb2Te5 doped by Bi. Resistivities, ratio of the resistivities of amorphous and crystalline states, activation energies of conductivity, temperature of phase transition,...

Detection of pile foundation is one of the most important procedures in the evaluation of pile bearing capacity and pile quality. In this paper, the application of the transient Rayleigh technology in detection of pile foundation (pile integrity, pile verticality and pile bearing capacity) have been...

The main differences of coal bed methane from other unconventional hydrocarbon resources are shown. Characteristics features of hydraulic fracture operation of coal seams are analyzed. The factors, affecting the permeability of reinforced crack of hydraulic fracture are marked. And the modeling peculiarities...

In order to solve the inefficiencies, labor-intensive, inconsistent quality and other shortcomings in traditional package bag artificial production, a prototype of double-position automatic bagging machine based on Omron PLC and HMI was developed by the authors.Considering both industrial site requirements...

For the purpose of solve seawater pipe's anti-corrosion materials problem and it is allÿofÿvarieties, this thesis come up with the copper alloys-nickel composites by Laser direct writing and the method's application and equipment, this thesis also recommend the copper alloys-nickel composites' laser...

Rock breaking, rock excavation, concrete breaking, foundation rock breaking, trenching, tunnel widening in sensitive environments such as close to high rise buildings, schools, hospitals, roads, electrical installations, existing and operative dam foundations, piers, pipeline laying below ground, indoors...

Recently, scholars and specialists in the field of electronic commerce have generated a compelling list of website attributes that engender trustworthiness. The introduction of new information technologies has always been accompanied by security concerns, and the future of electronic commerce depends...

The overhead crane is one of dangerous machines. It may cause personnel injury, or even property damages if any accidents happen in working area. Thus, to ensure safe operation, the load size, route and working environment should be taken into consideration. This study developed a safety alarm device...

Acorrding to the poor effect of traditional voltage stability method in the actual power network, a new method, combination of the P-V curve and modal analysis, was put forward. First, Kp(power reserve coefficient) was calculated to measure the power system static voltage stability margin through P-V...

Aimed at the complexity of the fault diagnosis of radar servo system on the ship, the pater puts forward the method of fuzzy fault tree analysis. The paper constructs the fault tree for antenna not running. And then the quantitative analysis of the fault tree is accomplished by founding models such as...

Voronezh region is the most important agrarian region of the Russian Federation and has the richest land area of 5,221.6 thousand hectares with the most fertile chernozem soils. The region has favorable natural and climatic factors for crop growth, the hydro-thermal coefficient (HTC) is about 1.0. As...

Combining the synchronized phasor measurement unit (PMU), a power system transient stability assessment method based on principal component analysis and support vector machine is proposed. Firstly, the PMU data is obtained through simulation and the original feature set is constructed. Then the principal...

In this paper, exploiting mixed machine learning data processing methods in Raman spectrum, such as data organization, data preprocessing, data analysis, sample classification is discussed. Data experiments showed that the mixed machine learning data processing methods in Raman spectrum had good performance.

Non-pillar sublevel caving mining method is in advancing deep, shallow left lots of safety pillars. It needs to adopt the filling method to improve the recovery for reasonable use of these mineral resources. So, there are two methods of mining occurring together. To ensure the stability of the contact...

We employ two approaches to model a 3D arm. In nonlinear, a parameter-dependent structure has been derived. Due to an existing inverse inertia term in the motion equation, a proof of nonsingular inertia is given. In linear, the Simmechanic Visual plot is obtained. By implementing a position control law,...

The subway station construction risk factors of uncertainty is researched based on Bias network theory, the safety risk of metro station foundation is analyzed taking a metro station in Shenyang as an example. The possible risk factors for the construction process of subway station was collected combined...

The hydropower generating units vibration parameter is an important indicator to monitor its roll-stabilization. To measure the low-frequency vibration of the large and middle scale of hydropower generating units, according to frequency characteristic compensation principle of the vibration sensor, a...

The Government of Indonesia has issued rules on how to avoid covid-19 transmission, namely through various means including social distancing (SD) and physical distancing (PD), at least 1 meter. Until now to run the PD protocol based only on estimates, there has been no safe distance detection tool between...

Stroke patient increase with 50% motor deficit disability. Therapists identify muscle conditions conventionally with a subjective approach, especially in post-stroke patients by measuring the flexor carpi radialis muscles. There has been no measurement of the flexor carpi radialis muscle in the intervention...

In the automation and control systems, sensor systems at the head, which is a direct effect on the measurement, and according to certain rules to be measured is converted into the same kind of money or other kinds of output, fast and accurate access to information and can withstand the harsh environment...

The searching for the quasi-periodic oscillations (QPOs) of some Active galactic nuclei (AGNs) plays an important role in understanding the physical mechanism and theoretical model of AGNs. The AGN PKS 0537-441 was monitored in the X-ray 15-50 keV bands in 2005-2016 by the Swift/BAT instruments, which...

Many problems in communication and Radar signal processing involve the detection of low signal to noise ratio (SNR) signal in non-Gaussian noise environment. The stochastic resonance of the nonlinear bistable systems driven by binary phase shift keying signal under the alpha stable distributed noise...

Tee flange molding is a very complex process of change. The affect of the preformed holes is very large in the molding process , so we should calculate according to the parameters and Simulation by Dynaform in order to find the place of torn or wrinkled during the molding process . Then we can not only...

In order to analysis the type of XLPE cable partial discharge, and grasp characteristics of partial discharge caused by different defects. In this paper, we use a 10kV 30-meter-long XLPE cable and design different types of defects. Then we collect the PD data of different defect model by PD data acquisition...

Sand liquefaction is a common seismic hazard of foundation. In order to investigate the hazard evaluation criteria of liquefaction of sand soil foundation, a research was made to study different methods of discriminating sand liquefaction with the reference of the results of recent related studies in...

This paper proposes a 4-layer device virtualization system framework based on multi peer nodes. First, the different layers of deployment and the operation processes of the system are discussed, then the resource management and the information flow are described. Finally, the interface and task assignment...

Combined with the power characteristics of electric vehicles and the modern internet of vehicles, this paper proposes a new optimization algorithm for speed of electric vehicles based on fuzzy theory and the conventional PID control rules. We study characteristics of different factors in the process...

A hot stamping process of boron alloy steel using resistance heating was developed. Relationship between heating time and temperature was investigated. Hardness measurements and microstructural analyses of quenched blanks heated by resistance heating and furnace heating were performed. Miniature tensile...

With the development and wide use of information technology, the change of the new century students and diversity of their psychological demand and other factors has brought new challenges to educators. In order to more clearly understand the current situation of teachers’ ability of information technology,...

The heat exchanger element H-type finned tube has a high enhancement of heat transfer and excellent self-cleaning property and has evident effect in the boiler renovation, especially in the field of flue gas waste heat recovery. In this paper, the heat transfer and resistance characteristics of H-type...

In this study, an inventory analysis was conducted to estimate the CO2 emissions in End-of-Life (EOL) of single and independent buildings (SIB). For this purpose, EOL were subdivided into the dismantling stage, the waste transportation stage and the waste disposal stage. And the CO2 emissions estimation...

The engineering quality is very important. With the development of economy and the project construction increasing, the appearance of jerry-built project causes significant financial losses for the country and imposes threats to the safety of life and property meanwhile quality engineering springs up,...

The security and stability of GSM-R wireless communication system plays an important role in the maintenance of railway operation. According to the GSM-R system, this paper gives the system composition of GSM-R, calculates the transmission loss of leaky coaxial cable and analyzes the common faults of...

A pot experiment was conducted to study the effects of different concentrations of selenium (Se) on the growth and physiological characteristics of tomato seedlings. The results showed that the biomass, SOD activity, POD activity, CAT activity, soluble protein and soluble sugar content of tomato seedlings...

With the rapid development of artificial intelligence and the development of intelligent hardware and equipment, the data has gradually changed from a single text mode to a diversified data. Diversified data is not only large in size but also diverse in scope, so it is not easy to conduct statistical...

Due to unreliable and bandwidth-limited characteristics of communication link in networked control systems, a real-time compensated method for multi-output system is presented in this paper based on Compressed Sensing and sliding window, by which estimates of dropping data packets in feedback channel...

The present study is devoted to the surface processing technology of 3Х2В8Ф hot-work tool steel and the effect on its operational properties. The surface processing included thermal-chemical treatment (TCT) and surface finishing. Boroaluminizing (joint diffusion with boron and aluminum) was chosen as...

Smart growth is about helping cities become economically prosperous, socially equitable, and environmentally sustainable place to live. The purpose of this paper is establishing a model to measure and compare the smart growth degree. Principle component analysis is a suitable method since the factors...

Argo Bibit is a local business in Magelang District which is engaged in selling fruit seeds by providing various types of durian fruit. Currently, the process of buying and selling seeds is carried out conventionally, prospective buyers must come to the nursery to select seeds to buy and make transactions....

SolidWorks has become an essential tool in virtual design and analysis of engineering components. The excavator boom is the main component of an excavator that bears the direct workload. As the leading workload carrier, boom strength is critical to machine performance. Boom, the core part of the excavator...

The rib-and-ring single-layer spherical mesh shell structure is widely used in the mesh shell structure of LNG tank domes because of its simple installation, convenient construction and excellent mechanical properties. In order to study the mechanical properties of the mesh-shell structure of the tank,...

A multi-Agent scheduling management system of distributed structure is proposed and an adaptive schedul-ing model which is aimed at the optimal economic benefits is established to explore more efficient methods for the scheduling problem of energy storage system. In a case that a model containing six...

It is analyzed by the technology plastics materials and molding process of shell shaped pieces, which has carried on the mold scheme demonstration and manufacturability, the forming problem of shell shaped pieces is solved, and it is designed that the main runner, cold slug well, pull rod, the runner...

This paper introduces thel distribution, development status and trend of micro-nano manufacturing, the main technical characteristics ,the domestic and international status of the core technology, as well as the advantages and disadvantages of industrialization and so on in Jiangsu. The countermeasures...

Different with definition of continuum mechanics used for beam element, in-plane drilling degrees of shell element are usually based on Allman mode or additional rigid rotation of element sides, and assumption of plane section for beam element is another inconsistency with shell element, at last, the...

Using Daqing natural sand packed tubular model and natural core, the injection rate is 1m/d and the experiment temperature is 45 , studying binary system and ternary system interfacial tension changes of the produced liquid after betaine-polymer binary system and weak alkali-mahogany sulfonate-polymer...

Chemical engineering calculation is the basis of chemical engineering science and a required course for students of chemical engineering specialty. In chemical engineering calculation, the division and determination of the balance system are an important link. Taking the material balance as an example,...

Taking the vegetation at the water-level-fluctuation zone(WLFZ) of Xiangxi River as the object of the research, we use the sampling method to study the composition of species, diversity of community and dynamic pattern in two years at different altitudes after the filling of the Three Gorges Dam Reservoir....

In this paper, the electrical parts of a high-rise shopping and office buildings are studied. Firstly, according to the division of the load level, the load calculation is carried out with the method of unit capacity, so as to determine the capacity and the current of the load. In accordance with the...

Good biocompatibility or no cytotoxicity is the most important characteristic for thermo-sensitive polymeric material because of its potential applications in the biomedical field. In this paper, a new poly (lysine ester-co-adipic acid) (PLA) with both thermo-sensitivity and good biocompatibility was...

In order to keep the social security system have sustainable development and solve the problem of population aging, this paper adopts the method of grey correlation degree analysis among the influencing factors of pension income and expenditure, picking out the best index to reflect the income and expenditure...

Frequent pattern mining is one of the most important methods in data mining. The maximal frequent patterns are the effective condensed representation of frequent patterns; thus, they can supply a deep understanding of data for users with less storage cost. This paper introduces the concept and characteristics...

In this paper, we propose a small-world network model composed of fractional-order R”ssler oscillators. We investigate the phase synchronization in this fractional-order chaotic oscillator network. Through numerical simulations, it is found that the fractional-order chaotic phase synchronization is dependent...

A method for studying the thermal state of turbomachine blades is presented. A numerical investigation method takes into account the phenomenon of gas-dynamic temperature stratification. The possibility of increasing the efficiency of cooling turbine blades due to the phenomenon of gas-dynamic temperature...

With the unceasing thorough development of reform and open policy and rapid development of economic construction, high-rise buildings, petrochemical industry and public places grow with each passing day. The urban development increasingly diversified and complicated, and the factors for causing a fire...

For the aim that implement the visualization of plant villus vividly and effectively, do much work on the research of villus outward appearance, then put forward a method to simulate villus on computer, the method adopt segment to construct a single villus, and then, with the addition of parameters such...

The mechanism of NOx formation, NOx control methods and low nitrogen combustion technologies is to be introduced. Optimization methods such as the optimum excess air coefficient adjustment test, the combination of unit load and burner, secondary air distribution mode have been proposed. Actual operating...

The current regulations related to building are scattered in more than 370 individual laws. Since the amendment of existing regulations and the legislation of new regulation have been going on, it is difficult to grasp the relevant regulations. Accordingly, in order to avoid duplication and to make systemizing...

Cable is in the daily production, life everywhere. In power plants, factories, laboratories usually concentrated a large number of cables for easy wiring, maintenance, and beautiful. As people grow dependent on electricity, large concentrations of cable make the probability of fire accidents also increased....

The use of stainless steel reinforcements (SSRs) is an effective measure to guarantee the durability of concrete structures in the marine environment. SSRs have been used overseas for many years, whereas the under-construction Hong Kong-Zhuhai-Macao Bridge (HZMB) is the first project using SSRs in the...

The article is devoted to the development of methods for dispersing nanoreagents based on zinc oxide and silver iodide and the study of their ice-forming properties. It is shown that nanotubes of zinc oxide and silver iodide have good ice-forming properties with a specific yield of ice-forming nuclei...

The results of simulation of finite-element state for stressed and strained changes under different failures of hydraulic structures are given. As a result of the experiment, a solid-state model of bearing elements was built. Stressed and strained state of reinforced concrete bearing elements of the...

[Purpose] The Nitrification inhibitor plays a significant role in mitigation of climate change, leaching of nitrate nitrogen and improvement of agricultural productivity and quality in greenhouses. Here we show a strong correlation between soil microbes and cucumber root systems according to our observation...

Energy harvesting from ambient energy sources has been receiving considerable interest as the power supply of wireless sensors networks. In this paper, a hybrid energy harvester based on magnetic levitation is presented for scavenging power-frequency magnetic field and mechanical energy. A Halbach array...

In this paper, by simulating actual operation, detailed study of human-computer interaction in continuous VDT operation the effects of five factors on two types of human error and their extent of the impact. The five factors: sex workers, a different color, different task difficulty, different way of...

Animation is endowed with a lot of emotions and thoughts as an artistic form with independent aesthetic meaning, and it requires the creation of emotional methods how to properly handle the various emotion in the animation design together. The emotion animation modeling and 3D capture technology had...

The Covid-19 pandemic impacted various sectors, including Micro, Small, and Medium Enterprises (MSMEs). The research aims to: 1) Analyze the level of sustainability of MSMEs in Jambi City 2) Efforts that can make so that MSMEs can survive and have a competitive advantage; 3) Provide a theoretical basis...

PT. Gree Energy Hamparan has revolutionized the use of tapioca wastewater, transforming it into biogas, which is then converted into fuel for power generation. Collaborating with PT. Hamparan Bumi Mas Abadi, the tapioca factory that produces the wastewater, and PT. PLN as the recipient of electrical...

Every year many people die in road accidents. One of the reasons on the deaths caused by road accidents is the victims do not receive treatments within the golden hour. Hence, the detection of road accidents can help in reducing the number of deaths caused by road accidents. There are solutions to detect...

During the construction of tunnels when crossing water-rich fault fracture zones, large-scale water inrushes often occur, thus making the study of the mechanical mechanisms behind water inrushes in fault fracture zones scientifically significant. Based on the actual construction conditions of tunnel...

Biodiesel has developed as a plant-based fuel alternative over the last 20 years and is now a substitute for fossil diesel oil. Compared to fossil diesel, palm oil biodiesel offers advantages in terms of emissions, toxicity, biodegradability, engine lubrication, and contribution to national energy security....

The number of motorcycles in Indonesia continues to grow. However, the low use of helmets phenomenon is still occurring, so it can be one of the accident triggers, with an average of 3 people dying daily. SNI helmets are important, but today’s helmet specifications still do not meet user needs. Therefore,...

As a fast - growing global aviation market, China’s aviation industry has shifted from backwardness to world - leading, contributing significantly to the global aviation sector. Yet, airport operational safety faces new challenges as airport pavement infrastructure endures multiple service pressures,...

The grouted sleeve connector is the main type of tension node between precast concrete member and cast-in-place joint. This paper is focused on the stress-strain relation of different parts of the grouted sleeve connector to predict the axial force of the joint. According to grouted sleeve connector...

Turpan-Hami Basin contains abundant coal resources and is an important part of large coal base in Xinjiang. In this study, the 4–2 coal seam of the Badaowan Formation in the Lower Jurassic in the Panji Coal Mine in the Turpan-Hami Basin is selected as the research object. Through systematic analysis...

With the continuous expansion of application scenarios for service robots, person-following technology has become a key capability for enabling human-robot interaction and intelligent control. This paper focuses on a multi-sensor fusion-based person-following system and systematically reviews its core...

This paper presents the design and implementation of a miniature Air Handling Unit (AHU) system using a hybrid PLC–ESP32 controller integrated via the Modbus TCP/IP protocol. The system incorporates temperature and humidity sensors (DHT22 and DS18B20) to control air circulation devices such as fans,...

This study examines the spatiotemporal dynamics of Urban Heat Island (UHI) effects within the framework of global urbanization, assessing the impact of Land Use Land Cover (LULC) alterations on Land Surface Temperature (LST), with a focus on Dhaka and Faridpur from 1999 to 2024. Landsat satellite imagery...

In this paper, we give out a Parameter. By this Parameter,we get a series of conjugate gradient methods. We give the Algorithm of the Parameteric conjugate gradient. The efficiency of the method can be got by the numerical result of the examples .

This paper introduces the research of Thesis Evaluation System Based on Web technology, the system makes Web page by HTML/CSS/JS, AJAX/JQuery, applying Struts2 framework to build the system framework, using Java language to make Oracle database as data storage and achieves the process of upload - Delivery...

The status quo of design of information accessible education website and screen reader software is described. Standard of information accessible website is briefly presented. The problems that are encountered when the screen reader software is used to read the website are analyzed. A solution to these...

The highway toll station is usually considered as the bottleneck of high way traffic flow. Therefore, it is essential to design a new scheme of toll plazas in highway, under the background of rapid traffic development and the emergency of self-driving. A reasonable design of toll plazas is to determine...