Advances in Engineering Research

This study aims to compare the effectiveness of two feature extraction methods, namely Histogram of Oriented Gradients (HOG) and Local Binary Patterns (LBP), in classifying X-ray images using Support Vector Machine (SVM) as the classification algorithm. In this research, the X-ray images were first processed...

Sliding Variable Control has been widely intruduced in industrial fields and achieved good results,because it takes strong robustness without parameters affected and anti-jamming features.The electronically controlled diesel engine is a typical multi-disturbance dynamic and nonlinear system of delay.In...

For oblique arch, curved beam, space oblique composite system of suspension bridge, whose force transmission path and spatial stress is complex, robustness characteristics is strong, and no engineering experience can be used for reference. In order to analyse wind resistant performance of the Tongtai...

A semi-analytical hydrodynamic analysis based on the linear potential theory is introduced to study the liquid sloshing in horizontal circular cylindrical T-shaped baffled container using the novel scaled boundary finite element method (SBFEM). Via variational principle formulation, a system of ordinary...

Waste pineapple leaf residues were used to make microbiological fermented feed. 60 pigs with the same age in days and the weight of about 40kg, and they were divided into 4 groups (A, B, C and D) at random. Group A served as the control group. The addition amount of pineapple leaf residues in the experimental...

Dynamic in-situ monitoring is one of the important measures to ensure the stability of high slope engineering. Combined with a practical project, and based on the analysis of data that have been collected about the deformation of slope surface and interior and the stress state of support structures,...

This paper takes cyclic economy as research background, adopting diatomite to enforce A2 /O process and to make treatment study, using A2 /O process testing equipment to simulate the running conditions of A2/O process in wastewater treatment plant, and adjusting the index parameters in A2/O testing equipment...

With the development of computer technology and the rapid prevalence of the Internet Power started to use computer to realize the unification and standardization. So IEC puts forward IEC 61970 specification series, which makes EMS normalize and interconnects different EMS.CIM has been defined by IEC61970...

A method using dispersive liquid-liquid micro-extraction (DLLME) and gas chromatography-mass spectrometry (GC-MS) was developed to analyze geosmin(GSM, trans-1,10-dimethyl-trans-9-decalol) and 2-methylisoborneol (2-MIB) in source water. The mass spectrometry was operated in selective ion monitoring (SIM)...

In The technology of surface alloying by electron beam had been developed as a new surface treatment in recent decades. Based on the introduction of the principle of electron beam, focuses on the research status of the surface alloying by electron beam, and a brief introduction of the Surface alloying...

The internal transcribed spacer ( ITS) region in rRNA gene of Auricularia polytricha was cloned and sequenced, and the sequences were compared with those of some common species of Auricularia. The results showed that 6 strains among tested strains, except Teda with different origins, had the same length...

Flexibility of an insect wing has an important effect on the aerodynamic characteristics. In this paper, deformations and aerodynamic characteristics of flexible flapping wings referred to a real cicada’s wing are investigated. Firstly, 3 flexible flapping wing models referred to a real cicada’s wing...

The experimental study on desorption for carbon dioxide is based on the phenomenon that pouring mints into coke can form coke fountain. In this study, the commonly used liquid monoethanolamine (MEA) was assumed as the absorbent for carbon dioxide, then the mint and its main compositions such as glucose,...

Hyperspectral image visualization is an important research aspect in hyperspectral image fusion. This paper compared four typically used hyperspectral image visualization methods: method based on bilateral filter, method based on Principal Component Analysis (PCA), method based on independent component...

To improve the accuracy of analog circuit fault diagnosis, on account of the problem that is difficult to obtain a high accuracy of the test results for a single model, based on combinatorial optimization theory, an analog circuit fault diagnosis model based on dynamic Bayesian network is proposed. Firstly,...

Based on the analysis of the hydrological conditions, navigable conditions and navigable accidents of Huangshi Bridge, this paper puts forward the safety navigable control measures of Huangshi Bridge .

This work reflects the perspective use of dry grain product of talgan, as a component of functional nutrition. There are two ways of producing this product. The new technology for obtaining talgan involves reducing the time of its preparation. A laboratory-research stand has been developed that allows...

The oil-paper transformer is widely used as the common insulating device in the electrical industry. The transformer with the reserved primary coil and the secondary coils was filled with the transformer oil by the vacuum pouring process. Its insulating property was tested by the partial discharging...

The paper covers the area of block-structured adaptive grid generation for finite difference, finite element and finite volume methods. It deals with a problem of development of information technologies and algorithms for generating such grids in complex geometries. Its key idea is to bring together...

β-Cyclodextrin (β-CD) aqueous solution was firstly used into the removal of nitride from light oil by molecular recognition. Pyridine was chosen as a model compound and used in the denitrification experiments. And the influence factors, concentration of β-CD, time, ratio of catalyst to oil and temperature...

SiCp/A390 (SiC particle reinforced Al matrix) composites before and after SiC particles surface modification were manufactured respectively by powder metallurgy, and the mass fraction of SiCp is 20%. The surface morphology of SiCp and the interface morphology of SiC/Al and SiC/Si of composites were characterized...

Fluid sloshing simulations and tests were performed in a nuclear reactor scheme, especially core meltdown, using the moving particle semi-implicit (MPS) method. The MPS method is a method for analyzing the interactions between incompressible particles. In this method, the fluid is represented by particles,...

To explore the differences in precipitation among different regions and the persistence of precipitation trends in the future over the lower reaches of Yangtze River Basin (LYRB), we used precipitation data from meteorological stations in the LYRB from 1980 to 2020. The Pettitt method, Mann-Kendall (M-K)...

This study uses the CRAAP Test (Currency, Relevance, Authority, Accuracy, and Purpose) to analyze ChatGPT Web Search and Google Web Search reliability in academic and professional research. In comparison, each search platform showed its strengths and weaknesses. Google Web Search outperforms ChatGPT...

Micro droplet dispensing has great potential in biopharmaceuticals, drug screening, printed electronics and other fields. Its distribution speed, size, and direction is the main factor affecting the quality of the distribution, but it is too difficult to monitor these parameters above when the droplet...

In the modern world it is increasingly referred to the concept of intelligent building. Intelligent building referred to above all energy-efficient building, using alternative energy sources, as well as equipped with modern energy efficient technologies that reduce the energy consumption of the building...

To address the low accuracy and low stability of a single algorithm for transformer fault diagnosis, this dissertation is based on multi feature fusion diagnosis algorithm by combing support vector machine (SVM) and D-S evidence theory, The way to construct the basic probability assignment(BPA) of evidence...

Mixture design is a very important step in production and application of concrete. Many mixture design methods have been proposed for high performance concrete (HPC). This paper presents a critical review on HPC mixture design methods in publications. The procedures, advantages and disadvantages of each...

Terminal-sensitive ammunition based on sensitive detection technology, as well as ammunition of blockade and control based on ad hoc network, homing technology etc. are both smart submunition with high attention in recent years. Based on the analysis of the technical background and development of the...

In the paper, the nonlinear seismic response of Shapai arch dam subjected to strong earthquake is analyzed by FEM time history analysis method. In the analysis, several comprehensive influencing factors, including infinite foundation radiation damping, damage of concrete, the contact nonlinearity of...

If some nodes of the aviation network are pinning controlled, all nodes are synchronized to the steady state and promote aviation network robustness. Collecting the data information of routes, China aviation network's statistical characteristic is calculated, and aviation network robustness metrics is...

This paper takes 12 circular economy listed companies commended by the National Development and Reform Commission of China in 2012 as the samples, using content analysis to evaluate the quality status of their environmental disclosure objectively. The study finds that in the environmental disclosures...

In this paper, using the method of stress function analysis of steel reinforced concrete transfer beam and upper shear wall mechanical characteristics and deformation law of interaction, its stress distribution field has been given; Nonlinear finite element calculation and combined with some engineering...

Diagnostics of the rotating machinery can identify potential failure at its early stage and reduce severe machine damage and costly machine downtime. Rub-impact is common faults in rotating machinery and results in impact and friction between rotor and stator. The vibration signals due to impact and...

GFRP bars are non corrosion materials, their tensile modulus relatively are lower compared with steel reinforcement. A total of six beam specimens (BG1~BG3 and BC1~BC3) were simulated to failure by concrete crushed under four-point bending. The main parameters studies were FRP reinforcement's types (GFRP...

To explore the factors affecting sludge settlement, cultivation of aerobic activated sludge in a 20L sequencing batch reactors (SBR), using sludge in the aeration pool of the sewage plant as seed sludge, keep in room temperature (20 ~22 ), artificial synthetic wastewater. By changing the SRT, DO, running...

The inverter is a crucial component and. Its design can be customized to generate single-phase, three-phase, or multiphase outputs, which enables easy adjustments of output voltage and frequency to meet the diverse needs of different loads. Despite the benefits of inverters, practical conditions can...

In this study, a new type of heterogeneous catalyst based on cement matrix composite was developed. Hydrated cement particles (HCP) were used as the carrier material to immobilize the ferric iron produced by Fe2+/H2O2 system. Iron load bearing by new catalyst was calculated to be about 130.5mg/g. The...

From the study of mixed solid-liquid flow characteristics of viscous liquid, solid-liquid model of two phase flow for oil chili sauce in the stirring apparatus is presented in this paper. The impacts of turbulent flow field for stirred parameters in the stirring apparatus are studied. Combining with...

Special aircraft cabin layout optimization design was treated as an NP-complete (nondeterministic Polynomial time complete) problem. The empirical design was incapable to meet the developing requirement of the display and control system in modern aircraft cabin. After analysis of three typical cabin...

Song-family folk residence at Xiangcheng County in Henan, China, applied composite bricklaying technology of the red stone and brick, having formed its special style. The building group has a considerable scale, and is well preserved. In the paper, we describe the characteristics and layout of them.We...

Draw the commonly refrigerants table for writing in the program selector working pair in tune content. Selection according to the evaporation temperature of low temperature refrigerant, based on traditional non-azeotropic refrigerant select automatic cascade principle, the preparation method of choice...

This paper first distinguishes the Multi-Energy Coupling System (MECS) from the Energy Internet and the Integrated Energy System, and defines technique features of the Multi-energy Coupling System. Then, on the basis of the CCHP technical proposal and the photovoltaic configuration, a MECS design scheme...

The basic idea of this paper is to simulate use of the environment of high temperature filter material and study chemical resistance of needle-punched nonwoven fabric made from polyphenylene sulfide (PPS). An orthogonal test was designed to investigate the interaction effect of various factors, namely...

The article considers the problem of providing the necessary geometric parameters of the workspace of a flat robot with 3 degrees of freedom. The influence of the geometric parameters of the robot mechanism configuration (drive mechanisms rod lengths and working platform parameters) as well as the working...

By combining with surveying examples of ancient architecture, according to different architecture properties, the importance of ancient architecture surveying is illustrated. Besides, methods and practice of ancient architecture surveying are studied, and current situations and problems of ancient architecture...

This paper introduces the basic principle of Boost circuit topology and photovoltaic maximum power point tracking technology.According to the characteristics of photovoltaic cells output nonlinearity, this paper designs a fuzzy-PID controller to track the maximum power point of PV cell. The controller...

The ant colony algorithm is a new kind of simulated evolutionary algorithm for random searching, which converges to the optimal path by the accumulation of pheromone and updating. But it lacks the global searching ability, and easily falls into local minimum and appears the phenomenon of premature stagnation....

In this paper, we present the implementation of infeasible kernel-based primal-dual interior-point methods for linearly constrained convex optimization. Numerical results are provided to demonstrate the efficiency of the algorithms.

A Numerical method of frictional behaviors in the microscale is presented to meet the simulation demands of the tribological characteristics for composite sealing ring in the transmission of heavy-duty vehicle. The microscopic dynamic responses of sealing surfaces are visualized when loads are applied...

In the present era, computer technology is developing rapidly, and its status in people's minds is also higher and higher. In daily work and life, computer technology is widely used. Computer education in Colleges and universities can be a good foundation for advanced computer learning, so people also...

Acoustic environment is one of the important factors affecting the overall urban environmental quality. In this paper, the public space in the hydrophilic spatial zone along the Yitong River in Changchun was chosen as the object of study. Test points were selected for the measurement and statistics of...

Network traffic holds the highlighting dynamic features. How to accurately characterize the hidden properties of network traffic has an important impact on network activities, such as anomaly detection and performance analysis. This paper proposes a feature analysis approach to describe network traffic....

Lime is important in the process of production of iron and steel materials, lime quality determines the quality of steel, lime production in China is much, but quality is not high, low efficiency, such as a direct result of the iron and steel production quality is not high. Automation so around this...

The web application performance testing is gaining wide attention due to popularization of Web application rapidly. To improve performance test efficiency, this paper chose domestic performance test tool PerformanceRunner to study, and presented one oriented-web performance test scheme based on PerformanceRunner....

Stochastic Traveling Salesman Problem (S-TSP) with Partial Visibility and Randomized Edge Weights is a critical challenge in disaster management where uncertainty and dynamic conditions hinder effective rescue operations. To address this, five optimization algorithms, Genetic Algorithm (GA), Ant Colony...

Matchmaking is a matching process. In game, those matchmaking is a matching process that functions to find our opponents and friends. However it is harder to win the game when there are smurf players who play in matches that don’t match their abilities. Because of that, we want to propose next level...

Under the push of information, the traditional operation mode of "platform centric" is changing to the "network centric" cooperative combat mode. At present, with the development of aviation, aerospace, navigation technology, based on the concept of Network Centric Warfare, the derivative of the "space...

Inflatable fabric membrane has been typically used in aeronautics and astronautics, large-scale construction and other fields because of its advantages: light weight, low transportation costs, and ease of deployment and storage. However, a natural challenge is the accurate characterization of the mechanical...

Reinforcement constrains of reinforcement applying on concrete mainly depends on three factors: the grade of concrete (elastic modulus), section reinforcement and loading time. The lower grade of concrete, the smaller reinforcement ratio, the longer loading time all make an obvious influence of reinforcement...

Sleep and wake EEG have some differences. After studying their brain waves and calculating the sign series entropy, we use the T test for the detection of sleep and wake EEG data to figure out whether they are different. After beta waves being filtered out by the filter, we calculate the entropy of the...

In view of the current power transmission project design review, the requirements of automatic review, online collaborative evaluation and information intelligence analysis are increasing. This paper designed and implemented an intelligent design review system based on the idea of SOA and the SSH2 three-tier...

As an economical and effective means, water injection technology is currently used to improve the gas turbine power and efficiency. Due to the relatively long residence time of water droplets in the multistage compressor, the droplets may have a large amount of migration along the radial direction in...

At present, most of the researches on net present value are focused on single objective cases. This paper discusses net present value problem with upper level multi-objective optimization. In order to solve the problem efficiently, we present a genetic algorithm using interpolation. According to the...

Based on the principle of low coherent light interference of optical fiber, a new method for detecting the distance between the mirror surfaces of a compound lens is proposed. Firstly, a system based on the principle of low coherent light interference is designed. Secondly, the frequency calculation...

The development trend of the medical device marketing is to promote the quality system. The establishment motive of the quality system is mainly according to national regulation and the necessary condition of being public and the secondary reason is the customers' requirements. Quickly to recruit industry...

As the starting point of the supply chain and the end point of the loop feedback, the behavior of the supply chain suppliers in the home appliance industry is important. The evaluation index system is established on the basis of product quality, delivery reliability and technical ability. Using entropy...

A speech denoising algorithm based on bilateral filtering and wavelet transform is proposed in this paper in order to solve the noise problem in speech processing. After the discrete wavelet transform, the low-frequency part of the speech signal is filtered by one-dimensional bilateral filtering. Then...

Based on stochastic damage model, a new damage variate with two parameters is proposed to describe the damage constitutive relationship of concrete. The damage evolution laws of high-strength and high-performance concrete are obtained by a large number of experiments on it's mechanical properties. The...

The banking sector is starting to become a concern for research because it plays a major role in addressing social and environmental challenges and can positively influence society through the implementation of CSR. This study aims to determine the differences in CSR (disclosure) between Islamic banks...

This paper focuses on the material selection and design optimization of temperature sensors, exploring the characteristics of different materials and their impact on sensor performance. First, the study analyses mainstream temperature sensor types, such as thermistors, RTDs, thermocouples, and infrared...

Sulphoaluminate (CSA) cement has the advantage of fast-hardening and high early-strength, but the carbonation resistance is relatively poor. In order to enhance the impermeability of carbonated CSA cement pastes, this paper investigates the effects of ethyl orthosilicate (TEOS) surface treatment with...

The COVID-19 pandemic has changed everything. One prime example is in payment innovations, particularly the rapid transition towards cashless societies. Cashless payment has become people’s preferred method to conduct transactions. The use of cash is significantly reduced as it poses a serious health...

93 compounds which can permeate the placenta barrier were collected as data set for the construction of support vector regression (SVR) model. Besides, 140 compounds with reproductive toxicity and 170 compounds with no reproductive toxicity were collected as another data set for the construction of support...

For some passenger car’s torsion beam suspension appearing fatigue fracture problem, a method of structure optimization is proposed. By changing the hard point location of the torsion beam suspension spring, the vehicle’s coupled model is built. Through carrying out the vehicle dynamic simulation analysis...

Weak part analysis of a system is a key element in a system reliability quantification process. It enables the weakest areas of a system to be recognized and assists in directing remedial measures for improving the system reliability. This paper proposes an unreliability tracing technique for a ring...

Tube hydroforming is a developed and successful way for complex shapes with less operations required compared to conventional tube forming. Tube hydroforming technology is introduced briefly. Then the principle of forming, advantages and disadvantages of hydraulic bulging, Tube Hydroforming with Radial...

In this article, Active Disturbance Rejection Control (ADRC) is proposed for the control of the activated sludge wastewater treatment processes. Simulation results show that the dissolved oxygen concentration can track the set value with non-overshoot and short settling time as possible by ADRC. Under...

By deeply analyzed virtual reality technology, industrial robot virtual assemble system and related software and hardware platform, the overall structure and fundamental configuration of virtual assemble training system applying to general industrial robot was put forward. The virtual scene and the UI...

The purpose of this paper is to analyze basic theory of E-government system outsourcing and risk management theory, identify 33 risk factors of four stage of E-governmnt system outsourcing under asymmetric information, determine weights of all kinds of risks and the risk factors through empirical research...

In early 2015, Soekarno-Hatta International Airport was one of the airport that nominated as the busiest in the world in 2014. Soekarno-Hatta was ranked 12, with the number of passenger ñ 59.4 million per year, which is around 162 thousand passengers come and leave the airport every day. Month by month...

Using data from several Chinese censuses, surveys and yearbooks, we provide a new perspective for the study of rural-urban migration, regional differences and economic growth of Gansu in China for 1990 to 2000. We find that economic conditions impact strongly on the growth relationship at provincial...

Biogas residues were treated by earthworm composting and aerobic composting. The changes in organic matter, rapidly available nitrogen, rapidly available phosphorus and rapidly available potassium of biogas residues after the treatment by the two composting methods were measured to study the influence...

A new Lagrangian quadratic finite volume element method based on optimal stress points was presented for solving one-dimensional parabolic problem with trial and test spaces as the Lagrangian quadratic finite volume element space and the piecewise constant function space respectively. It is proved that...

The waste heat utilization rate of the waste heat utilization system of large-scale comprehensive hospital is analyzed, and the maximum recovery work of waste heat is obtainedOn the basis of the above analysis, according to the actual situation of large comprehensive hospital waste heat utilization system...

The superhydrophobic silica coating has a great performance of self-cleaning which can be applied in the field of energy saving, anti-icing, drag reduction, etc. In this paper, Trimethyltrimethoxysilane (MTMS) /Trimethylchlorosilan(TMCS) superhydrophobic silica coating with two-layer structure was dip-coated....

This paper proposes a new method to deal with the multi-attribute group decision making (MAGDM) problem. Firstly, a new distance measure between two linguistic terms is defined, then a new linguistic information aggregation operator based on the distance measure is proposed and their properties are studied....

Solid thermal finite element model of suspension bridge main cable was established by finite element software ANSYS. Layered grid was divided along the radial direction of main cable. Main cable thermal parameters ,including heat conductivity coefficient, specific heat, thermal expansion coefficient...

DTC (Direct Torque Control) with the torque and stator flux linkage as control variables directly, has the advantage of quick dynamic torque response, good anti-interference performance is also as an advantage, especially suitable for vehicle EPS power driven system to the requirement for the fast torque...

Dahaize coal mine was located in Maowusu desert and the buried depth of coal seam was relatively large. The excavated main slope passed through the following stratums, such as Quaternary, Jurassic, Cretaceous, and so on. And the differences of rock mechanics characteristic were very obviously. In the...

The arch tubes are filled with concrete using a small concrete pump. The tubes may be filled quickly with no external vibration using a self consolidating concrete mix. After a short curing period, the arches gain the majority of their final strength, providing the entire superstructure for a bridge...

The wireless charging process of electric vehicles often suffers from low charging efficiency and inadequate charging structure, so this paper aims to explore and optimize the charging method of electric vehicles. The article firstly describes the background of wireless charging, and then discuss-es...

Nowadays, unmanned aerial vehicles (UAVs), commonly referred to as drones, have attracted a lot of attention from varies fields. In the development of recent years, one of the most noticeable developments is the application of computer vision in drones, which provides key technologies for visual navigation,...

Especially on the island of Bali, agriculture as a culture still plays a vital role in supporting the development of tourism, both in terms of values, religiosity, and the environment, as well as farmers as producers, both in rice fields and non-rice fields (moors), because of the Tri Hita Karana philosophy...

Energy saving, environmental protection, safety is the main focus of the topic in today's world automobile in-dustry, the automobile lightweight technology is an important way to achieve this goal. This paper takes the automobile lightweight technology as the research object, it studies the automobile...

BOM database is designed through the analysis of the actual situation of the production workshop of the torque converter and the demand of enterprise. This paper analyzes scheduling management module, material distribution management module, real-time monitoring module and management module in the hydraulic...

Seek inspiration from the traditional houses, it is a way of thinking the author of the new rural housing design. This paper makes a deep analysis on the architectural features of the traditional houses, and discusses how to use and inherit the traditional residential space design concept in the design...

Unreasonable road design and disordered traffic conditions may trigger accidents. As a part of highway design, tollbooth has close relationship with road safety, and there are many security problems in actual operation and management.It's necessary to establish a security model that can assess the safety...

Aiming at the problem that the probabilistic neural network (PNN) is difficult to determine the smoothing factors in the process of partial discharge recognition in GIS. A model of GIS partial discharge recognition based on Mind evolutionary algorithm (MEA) is proposed to optimize the PNN. The MEA has...

At present, an unprecedented development situation of the urban rail and traffic engineering is presented. Bearing as a key component of vehicle operation safety, its performances and reliability should achieve higher requirements. Because the number of characteristic data of bearing performances is...