Advances in Engineering Research

On the basis of classifying the landscape elements, the landscape pattern of the Dalonghu wetland park was analyzed with the principle of landscape ecology in this paper, The results showed that:(1) The landscape diversity of Dalonghu wetland park was high, but the distribution of the overall landscape...

In this paper, the separation process of ethylenediamine-water azeotropic mixture is investigated with Aspen Plus software. The sim- ulation results show that the extractive disti- llation column includes 26 theoretical plates, the D/F of azeotropic distillation column is 0.18, the feed location of azeotropic...

The mobility joint is of critical importance for the spacesuit to move from place to place. Especially, the joint configuration has a significant impact on spacesuit flexibility. This paper classifies the most commonly used soft joints of spacesuits into three types, namely for convolute joints, wrinkling...

Secondary pollution, caused by the stench gas from the sewage treatment plant (station), has become one of the key environmental petition complaint. In this paper, the impact of malodorous gases Harbin Brewery (Shenyang) Co., sewage treatment station for residents, set design and construction of washing...

The Dual Hesitant Fuzzy Sets (DHFSs) is a useful tool to deal with vagueness and ambiguity in the multiple attribute decision making (MADM) problems. The distance and similarity measures analysis are important research topics. In this paper, we propose some new distance measures for dual hesitant fuzzy...

In this paper, the model tests of 7 degree frequent earthquake, 7 degree fortification earthquake and 7 degree rarely met earthquake are carried out by using the seismic ground motion parameters of a design reference period of 60 years. Displacement of platen and columns, restoring force of foundation...

Third harmonic is usually combined with the standard sinusoidal signal to increase the DC voltage utilization within the Sinusoidal Pulse Width Modulation (SPWM) based inventers. The inverter of SPWM with 3rd keystone waveform was analyzed and the one with which to get the best DC voltage utilization...

A 220t/h circulating fluidized bed boiler is selected as a research object, the heat loss of the circulating fluidized bed boiler is studied by numerical simulation while the three major parts including the furnace body of the circulating fluidized bed boiler ,cyclone separator and rear smoke channel...

In the last few years, cloud computing has grown from being a promising business concept to one of the fastest growing segments of the IT industry. With the continuous evolution of global information processes, cloud computing has become a new Internet service model following distributed computing, parallel...

The viscosity of sludge not only affects its transport properties, but also the drying efficiency. In the paper, the sludge property of apparent viscosity was studied with the different types of sludge moistureÿcontent ofÿsludge and temperature with the help of NDJ series digital viscometer. The results...

Impact of traffic noise on buildings is becoming more and more serious in a big city. It is found that a suitable urban planning and design could reduce its impact. Shenzhen International Low Carbon Eco-city is a low-density place with a mixed land-use function only having one main road. It will be transformed...

10 kV lines reactive compensation of the rural power distribution network can effectively decrease the loss, improve power factor, improve the voltage quality. 10 kV lines automatic switching control of reactive power compensation devices, are usually classified as according to the voltage switching...

This paper presents an intelligent test system for automated testing of energy metering standard devices. The energy metering standard devices in this paper refers specifically to the low voltage current transformer. Under the same current ratio, the device has the same appearance size, connection mode...

In order to improve the maximum power tracking control of a small permanent magnet wind generator, an improved scheme based on fuzzy control is proposed in this paper after analyzing the composition and tracking principle of the actual small-scale generator. The experiment shows that the variable step...

Environmental, clean and sustainable new energy sources have been paid much attention by researchers all over the world due to the increasingly exhaustion of traditional energy resources and the worsening of the ecological environment. Wind and solar energy are typical new energy sources, they cannot...

In order to improve the security and reliability of the power lithium batteries, this paper introduced forecast and health management technology of its core content-remaining useful life, established a power lithium battery remaining useful life prediction method, by collecting current, batteries, battery...

This paper is devoted to the design of electromagnetic interference(EMI) filter circuit. In particular, the component parameters are carefully considered and optimized in assistance of 3-D electromagnetic software CST MWS. What distinguishes this paper from others is that an overall model of the filter...

The traditional rail detection method cannot meet the demand of line repair, so a detection algorithm for rail fastener based on computer vision is proposed, which combines projection method and scanning of pixels in specific region to position the position of fastener, and adopts gray-scale features...

3D point cloud techniques have been playing critical roles in industrial automation. Applications focused on automated assembly are thus becoming important in manufacturing industry to solve some particular problems. To implement automated assembly, Reinforcement Learning is employed in for planning...

Black rice yeast extract is rich in bioactive compounds that have the potential to be applied in the therapeutic field. Research on nano-encapsulation has a better storage period and protects against damage to bioactive components. Research on nano-encapsulation of black rice yeast extract with a poloxamer...

Biodiesel is an alternative diesel fuel, made from renewable biological sources such as vegetable oils and animal fats. Used cooking oil is one of the biodiesel raw materials. The development of biodiesel synthesis in this study focuses on production efficiency and reducing negative effects on the environment....

Autonomous robots require accurate mapping and localization systems for successful navigation. However, odometry based localization suffers from cumulative errors that cause position drift over time, affecting navigation performance. This study addresses this issue by integrating odometry data with LiDAR-based...

The southern margin of the Junggar Basin is a typical piedmont structure, which is characterized by complex structural types, large local differences, and fault fractures. The drilling engineering construction in this area is difficult, and downhole accidents are frequent, among which the Anjihaihe Formation...

The utilization of sandy clay is done by adding organic materials to minimize excessive chemical input. The purpose of this study was to determine the soil’s characteristics after applying cocoa husk compost and Pleurotus sp to 2 types of biochar, namely rice husk and corn cob biochar. Furthermore, the...

Polycarboxylic acid samples were prepared using methyl allyl alcohol polyoxyethylene ether (TPEG) and acrylic acid (AA) as raw materials using an redox initiator system (ammonium persulfate sodium hypophosphate). Explored the influence of polycarboxylic acid molecular weight on microstructure and application...

Dynamic recrystallization (DRX) behaviors of a near- titanium alloy during isothermal hot-tensile tests were investigated with finite element simulation and electron backscattered diffraction (EBSD) test. The results show that the DRX behavior of the alloy is strongly sensitive to the strain rate, i.e.,...

In the manuscript, the forming limit for cross-section distortion is defined according to the employing area and aviation standard. First, the definition and determination method of forming limits is proposed. And then, the effects of process parameters on forming limit are investigated based the 3D...

Vehicular Ad-hoc Networks (VANET) is the research focus of ad-hoc network technology in recent years. Due to fast-moving and other properties of Vehicles, it is extremely easy to change the Topology of the VANET, and communication channels of VANET may become unstable. Then the system performance of...

The resources of traditional folk arts and crafts have distinct regional and essential features, which are defined as a treasure house of visual art in modern design. A case study of folk arts and crafts in the northeast of Jiangxi province is made in this paper, which has sorted out the present situation...

Vanadium pentoxide (V2O5) nanosheets are successfully synthesized by a hydrothermal method, followed by a high-temperature sintering treatment. Several advanced techniques are used to characterize the morphology and composition of the nanostructures, such as transmission electron microscope (TEM), high-resolution...

Binocular head-eye platform is mainly used in the recognition of active objects, and can quickly and flexibly achieve a wide-range image information collection. The existing binocular head-eye platform usually uses small camera with fixed focus lens to obtain image information, so there are some problems,...

Hertz contact theory and experimental methods are respectively adopted to analyze and study the relationship between the load and the axial stiffness, the radial stiffness and the overturning stiffness of the three-row-roller slewing bearings. The axial stiffness, the radial stiffness and the overturning...

The sewage diffuser is an environmental material for protecting marine environment. It plays an important role in port engineering. Its effect under deep water was carried out between different diffuser design parameters based on the hydraulic model test, and DA Ya Bay sewage marine disposal project...

Aiming at the difficulty that regular single radar is very hard to detect land and sea clutter in echo of low-altitude and slow-speed dim target, it considers about to apply two radars receiving and dispatching respectively for radar echo’s domain of dependence integration. According to the characteristic...

We examine laboratory data from creep tests performed on a thermally cracked water-saturated glass sample and estimate Young's modulus and extensional-mode attenuation as functions of frequency. An SEM image of a vertical cross-section through the upper half of the cylindrical sample has been digitized...

Three- dimensional (3D) saddle shape model is built by using SolidWorks software in this paper. Then import the saddle model into a robot off- line programming system. Finally, the simulation study of the SIASUN robot off- line programming system can be used after collecting the saddle model and saving...

Image recognition has the characteristics of large sample size, high complexity and redundant information, which has become a hot and difficult topic in the present study. To solve this problem, a feature extraction and image classification model based on the sparse auto-encoder deep neural network is...

Daqinggou molybdenum deposit locates in daqinggou miaozi area luanchuan county, Henan province. It is considered to be a favorable metallogenic area because of the intense tectonic movement and frequent magmatic activities. This molybdenum deposit is a medium-sized deposit and the ore bodies are strictly...

In continuous casting, continuous casting lines constitute a single continuous casting machine is generally referred segment, In general, it is divided into actuate segment (or curved section), straightening section, horizontal section and so on. According to different billet can be divided into plate...

Recognizing the "opinion leaders" in advance is a new requirement in the context of social network. "From back to front" approaches do not conform to the transmission and evolution of development process of hot events. To address this problem, this paper proposes the concept of "potential opinion leaders",...

Objective: a fast, simply, reliably and accurately high-performance liquid chromatography (HPLC) method for the simultaneous quantitation of commonly used organic acid and monosaccharides in food industry such as benzoic, malic, citric and quinic acid, fructose, glucose has been developed. Methods: In...

Based on analyzing the basic characteristics and management situation of the mode for construction industrialization organization, the advantages of Engineering Procurement Construction (EPC) applied on project management of the industrialized buildings were discussed. During the process, organization...

This paper introduces a FM quadrature demodulation method based on small angle approximation; this method can complete the task of FM signal demodulation using all digital circuit. After setting up the FM demodulation hardware test platform based on the software radio, the FM demodulation method is tested....

Anti terrorist and riot robot is composed of laser guidance, grasping system and walking device. It can replace some related personnel to do some dangerous operations. The grasping system studied in this paper is mainly composed of four parts: base, rear arm, forearm and mechanical gripper. Joint rotation...

The foundation of artificial intelligence is an important research content. This paper introduces the "Artificial Intelligence Basic Platform" project of independent research and development. The paper draws up the development contents of the artificial intelligence computing platform, formulates the...

With the acceleration of people’s pace of life and the rapid development of economy, fast fashion brands swiftly attracts people’s attention with low price, multiple styles and small quantity, fully satisfying consumer demands. But as the increasing deterioration of mankind’s living environment, especially...

With the fast development of electric power enterprise information, special structured storage and management system is becoming more and more important. As a uniform interface for multitude of data sources, the efficiency to extract unstructured and semi-structured data existing in webpage is a key...

This paper introduces a ICFD (In-Circuit Fault Dignosis) deep test method. According to making test plan of the partial functional module of circuit board, gathering the input and output in-circuit, and assess the performance of the board. This method improves the ICFD technology while it can only test...

he soil thermal conductivity is an important parameter of heat efficiency in the application of ground source heat pump. We based on the principles of Transient Plane Source Method and selected clay and sandy soil from Yangtze River in Wuhan, using DRE - III multi-function rapid thermal conductivity...

Some people who have foot deformities such as diabetes often experience pain and difficulty wearing shoes. The optimization of advanced manufacturing based on CAM - CNC with EVA rubber foam material has not been optimal. Two new materials are proposed in this paper for manufacturing optimization through...

The use of Stirred Tank Reactor (STR) in wastewater treatment requires a Clarifier in its operation so that Sequencing Batch Reactor (SBR) is an alternative solution. The clarifier is needed to recover some of the wasted microbes in the effluent stream. With SBR, the Clarifier function is replaced when...

This study aims to develop the Barelang F1 hexapod robot for the 2024 Indonesian SAR Robot Contest (KRSRI), in compliance with new regulations requiring the distinction between real and dummy victims during rescue missions. The identified problem is the lack of a system in Barelang F1 capable of differentiating...

Coastal buildings and infrastructure, especially piers or barges, definitely interact with sea water which has salinity, this will affect the physical and mechanical properties of ferrocement which will affect the life use of the building. So it is necessary to conduct research on the influence of the...

In wet sulphuric acid plants, the economic analysis of replacing NaOH with H2O2 as an absorbent in scrubber systems explores the potential cost savings and operational benefits. The primary motivation for this change is the generation of H2SO4 of the reaction between H2O2 and SO2 that can be reintegrated...

Recent years have witnessed a growing interest in altering the connection configuration of converters to enhance the electrical efficiency of boost converters within DC-DC converter systems. This paper explores three connection methods for the magnetic integrated switched inductor boost converter: staggered...

Cultural tourism is a significant economic and social contributor. A growing body of research is focusing on the application of virtual reality (VR) and augmented reality (AR) in cultural architecture. While previous studies suggest that VR and AR have the potential to enhance the design of architecture...

The irregular arch bridge is increasingly favored by designers for its aesthetic appeal. However, traditional displacement measurement methods fail to meet the high-precision, high-frequency requirements for health monitoring of such Irregular arch bridge structures. Therefore, based on the Echeng Bridge...

The investigation and evaluation of groundwater pollution in chemical contaminated sites is an important part of site pollution investigation and remediation. This paper takes a chemical contaminated site in Jingzhou City as the research object, through carrying out sample collection and soil column...

In Indonesia, industrial waste is widely generated from the wood and food industries. The large amount of waste available in this environment has great potential to be reused into renewable energy, such as biomass pellets. Therefore, it is necessary to conduct research in the field of waste engineering...

Poultry farms in Bangladesh generate millions of tons of slurry annually, containing high concentrations of heavy metals, making the manure unsuitable for agricultural use. Poultry sludge contains heavy metals like chromium, cadmium, and lead, which can accumulate and pose serious environmental and health...

Experimental analysis of frequency on tensile-compressive fretting fatigue behaviour of Al-Zn-Mg alloy was studied in this paper. Effect of frequency on fretting fatigue lives, damage characterization and fretting fatigue fractures of Al-Zn-Mg alloy were researched under different frequencies. Factors...

With the development of information technology, under the blessing of cloud computing, big data and 3 s (GIS, GPS, RS) technology, city has entered a stage of wisdom development through the construction and development of informatization, digitization and artificial intelligence period, wisdom city has...

Fourteen environment factors of differential management system of tobacco farmers are determined and selected from predecessors' research achievements. Relational structure of fourteen environment factors is analyzed by ISM model in this paper. This results show that sales average price, family members...

For the uncertainty problem of structure strength of bird-striking canopy, firstly, the random finite element model is established by the prior random information. Secondly, according to the real test data, the Bayesian posterior distribution of the structure strength can be determined and the mean value...

This paper presents an approach for breast cancer diagnosis in digital mammogram using multiresolution and multiscale geometric analysis. The proposed method consists of two stages. In the first stage, mammogram images are decomposed into different resolution levels using wavelet transform and curvelet...

The effect of flow structures in the tip region on the stability of NASA Rotor 37 has been examined with numerical simulation. Stall inception mechanism of Rotor 37 is presented firstly with principal focus on the tip leakage flow behavior, passage shock wave and leakage flow vortex. Detailed survey...

The LMD is a new method for analyzing non-stationary signals. It can decompose complicated signals into a set of single-component signals, each of which has physical sense. However, performing the LMD will produce end effects which make results distorted. After analyzing the reasons for these, the article...

Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) and X-Ray Diffraction(XRD)were employed to investigate the influence of heat treatment conditions on microstructure and mechanical properties of a new high strength TB17 titanium alloy at aging temperature from 530øC to 620øC....

In this paper, we established a 3D nonlinear finite element analysis to high-strength bolt T-stub beam-to-column connections, Study and discussion the influence of beam section height to the hysteretic behavior, ductility and dissipation capacity of the beam-to-column connections . The results showed...

OFDM-MFSK is a hybrid modulation scheme which is resistant to multipath fading and frequency shift. So it is more suitable for high speed mobile communication scenarios where the channels are distorted by multipath propagation and Doppler shift. In this paper, an OFDM-MFSK modulator is designed and implemented...

Based on the analysis of ceramic sanitary ware products, energy, we put forward a substrate for the energy-saving bathroom wollastonite product development process, and the establishment of a carbon accounting model emissions, carbon emissions were compared to verify the order Wollastonite value of carbon...

The microstructural evolutions and properties of the surface composite produced via the friction stir nitriding (FSN) method on Ti-6Al-4V alloy were investigated. Due to the optimized process parameters and suitable mixed gas proportion for a limited combustion reaction between Ti and N2, a composite...

The equipment of automatic pH control system has been introduced on the hydroponic with microcontroller ATmega328p. The aim of this research is to create a pH control system to reins water pH on hydroponic. This control system consists of hardware such as pH sensor, microcontroller Atmega328p, servo...

In this paper, an analysis of world experience was conducted and it was concluded that one of the ways to improve the efficiency of aviation security in the Russian Federation is to use modern network training complexes. A new approach to assessing the competence of aviation security screeners was proposed...

Using panel smooth transition regression (PSTR) model, we study the nonlinear effects of provincial economic growth on environmental pollution in China. The empirical research shows that the relationship between provincial economic growth and environmental pollution in China exists nonlinear smooth transition...

Based on CFD (Computational Fluid Dynamics), the internal flow of SCR(Selective Catalytic Reduction) denitrification column is simulated. With the application of standard k- two equation model and porous media model, the velocity field of smoke movement is represented. The influence rules deflector put...

This paper analyses the physical and chemical properties of rubber, plastic and graphite as sealing materials. Polyurethane, PTFE and graphite are testified to be good sealing materials. Among these materials, polyurethane demonstrates high potential of changing property. Therefore polyurethane is studied...

Follicular atresia is a common phenomenon in mammalian ovary, which is caused by the apoptosis of ovarian granular cells. The status of granular cells has become an important reference index to measure the oocyte quality and embryo development ability. Therefore, it is necessary to study the apoptosis...

Advanced machine learning (ML) techniques are employed in this study to enhance the design and performance of cementitious composites, with a focus on optimizing concrete’s compressive strength—a key attribute for resilient structures. By leveraging algorithms such as Genetic Algorithms (GA), Artificial...

The recent surge in adoption of the Internet of Things (IoT) has accelerated integration and Internet access beyond smart devices, which in turn has made the Internet more and more pervasive in our daily lives and IoT devices open up endless new possibilities and simplify lives. Unfortunately, the current...

The purpose of this study is to obtain stress values and safety factors on wheels with grooved wear. Grooved wear was found on the MRT wheel during the monthly inspection. The method used in this research uses the finite element method, namely ANSYS software. The depth of grooved wear used is 2 mm, 3.5 mm...

Under the influence of heavy rainfall, the slope of a high cut appeared local slip collapse. In order to systematically evaluate the stability level of the slope, the strength reduction method was used for numerical analysis, and the slope stability coefficient was determined to be 0.815, which did not...

The object of this research is the profile of the wheels of the 50 tons capacity coal transport train, the Babaranjang Train, which is operated by PT Kereta Api Indonesia (Persero), or PT KAI, in South Sumatra, Indonesia. The Babaranjang Train uses a wheel called as Roda Golongan DD, with a slope profile...

The cube compressive strength and splitting tensile strength of16groups of hybrid fiber Reinforced and Slag replacing concrete (HFRSSC) were tested by orthogonal test method. The effects of basalt fiber, carbon fiber and slag on the mechanical properties of HFRSSC were studied. The test results show...

This study aims to evaluate the performance of compressor valves in the food refrigeration system on board KL. 02 Sultan Hasanuddin. The background of this research is based on the frequent damage to compressor valves, which results in decreased cooling system efficiency, making it difficult to maintain...

The integration of digital signal processing (DSP) techniques into smart grids has greatly improved power quality detection, fault diagnosis, and system stability. This paper examines the use of DSP methods such as digital low-pass filters, adaptive filters, Kalman filtering, wavelet transform, sparse...

With the rapid development of mobile communication technology, 3G mobile communication technology boom has not yet subsided, we have ushered in a more secure, more efficient, faster 4G mobile communications technology. The rapid development of 4G mobile communication systems and channel coding schemes...

A pot experiment was conducted to study the effects of photosynthesis of Chinese cabbage under AlCl3 stress, and different concentrations of abscisic acid (ABA) solution about 1, 5, 10 and 20 mol-L-1 were sprayed, control was sprayed water on leaves. The results showed that sprayed ABA could improve...

We propose a novel scheme to probabilistically transmit an arbitraryunknown two-qubit quantum state with the help of two partially entangled states. In this scheme, theteleportation with one sender and two receives can be realized when theinformation of non-maximally entangled states is only available...

vertical cracks may propagate through the whole dam under water pressure, which exist on the upstream of 18th section in Danjiangkou Dam. To solve the problems, stress intensity factor method of fracture mechanics is adopted, combing with three-dimensional finite element method. For different cracks...

The Context-aware computing in internet of things plays an important role in extracting useful information from a large amount of data. In this paper, through analysis on the characteristics of information in internet of things, using existing internet situation cognitive computing technology, the authors...

During the development of the high-voltage power grid, the emergence of electromagnetic loop in the network is inevitable. To ensure the normal operation of the grid, it needs to deal with the problems brought by electromagnetic loop with scientific methods. In this paper, the impacts of the electromagnetic...

This article provides the design of multi-stage radio frequency power amplifiers which adopt transistors made of semiconductor materials of the third generation on the basis of taking into consideration criterions referring to efficiency, bandwidth and linearity. The first step is to conduct an experimental...

The paper analyses the main features of coal mine system, and construct coal mine safety system dynamics model by using the system dynamics theory from the angle of enterprise’ safety management level. And it also make data quantitative analysis about the model by non-linear regression method, draw the...

Compared to onshore wind power, offshore wind power has a relatively short history. The offshore wind potential in China is about 3 times larger than onshore, yet China had not dedicated into offshore wind research and development until recent years. China has the incentive to construct offshore wind...

With the growing popularity and in-depth of scientific monitoring work, players' body shape has become a basic everyday work for the current athletic teams, in which the monitoring of immune system index is an important part of daily work, so the comprehensive inquire system on the immune system index...

The effects of Cyphomandra betacea seedlings intercropping with four hyperaccululator plant species (Bidens pilosa, Solanum photeinocarpum, Galinsoga parviflora, and Tagetes erecta) on soil enzyme activity under cadmium (Cd) stress were studied by a pot experiment. The results showed that intercropping...

In order to improve the accuracy and the convergence speed of the sphericity error, an improved teaching and learning algorithm is proposed to evaluate the sphericity error. Based on the basic teaching-learning-based optimization, the initial solution quality is improved by logistic chaotic initialization;...

The dynamic topology of a mobile ad hoc network poses a real challenge in the design of routing protocol, especially in high-dynamic environments. In this paper, we proposed a new routing protocol which based on on-demand and greedy forwarding. This protocol proposed three opinions to RGR, i.e., through...

Inductively coupled plasma optical emission spectrometric approach(ICP-OES) is used to determine the lead content in pyrotechnics used for fireworks and firecrackers. Element of lead is commonly found as impurity in chemical materials used for pyrotechnics in fireworks and firecrackers. Statistical analysis...