Advances in Engineering Research

The paper developed a new type of 4-DOF mechanism design for reflectors in vacuum, which had the ability of assembling the reflector stably and realizing 4-DOF movement (one-translation and three-rotation) of the reflector in vacuum by adjustments outside the vacuum. Then the equations of kinematic analysis...

Location - aware Service based on QR code is widely used in the large complex indoor environment because of its strong anti-interference ability, wide coverage and high positioning accuracy.For the situation that the QR code position sensing process may exist multi-QR code, an multi-QR code localization...

Frequency measuring is an important part of modern radar systems. Based on the traditional principle of auto-correlation algorithm, we put forward an improved method of frequency measurement, simulating and analyzing the implementation process with MATLAB, finally testing on FPGA platforms. The results...

In recent years, major and unexpected public events in our country have taken place from time to time, causing great losses to the national economy and people's lives and property. Because these emergencies have caused huge damage to various equipments, resulting in the unblocked communication and affecting...

This study aims to evaluate the effect of five infill patterns—grid, honeycomb, triangular, concentric, and line—on the tensile strength of PETG specimens and analyze production efficiency based on printing time, material use, and cost. ASTM D638 Type I dog-bone specimens (30% infill) were fabricated...

Customer churn or attrition occurs when customers stop engaging with a company or product. A high churn rate can be a serious threat to a company’s sustainability. In the competitive telecommunications industry, churn analysis is key to developing customer retention strategies. This research will conduct...

Bridges have an essential role in a sustainable land transportation infrastructure. One of the challenges today is the nature of corrosion on the bridge structure. Corrosion due to reaction with the environment can damage the integrity of the bridge structure and reduce safety. This study aims to determine...

This paper proposes an intelligent bridge structure damage identification method based on multi-source sensor data fusion and Graph Convolutional Networks (GCN). As bridges age, structural damage monitoring becomes crucial for ensuring traffic safety. Traditional structural health monitoring methods...

Schiff base compounds are reported to have various biological activities, one of which is antibacterial. This study aims to determine the characterization of the Schiff base product with the sonication method and to determine its antibacterial activity. Schiff base products from 4formylpyridine and panisidine...

The axial compressive strength test of oilfield solid waste concrete after freezing and thawing was carried out by rapid freezing and thawing method to analyze the mass loss rate, axial compressive strength loss rate and relative dynamic elastic modulus loss rate of solid waste concrete under freezing...

This paper systematically discusses the technical basis and optimization methods of GPU-accelerated image processing, focusing on the analysis of GPU architectural features and CUDA and OpenCL parallel computing platforms. It also covers GPU optimization methods in image defogging and enhancement, frequency...

The increasing use of information technology has encouraged every organization to be able to utilize technology in carrying out various activities electronically. The increasingly rapid development of information technology, especially in the field of information systems, is a challenge for companies...

Final-year students often face challenges in completing their final projects, where self-efficacy becomes an important factor influencing success. The use of Artificial Intelligence (AI) is suspected to play a role in enhancing students’ self-efficacy. This study aims to determine the relationship between...

This paper firstly analyzes the composition and working principle of the RFID system in Internet of things, and introduces the RFID tag, reader, middleware in detail. The traceability system of agricultural products is a system that tracks the agricultural products (including food, feed, etc.) into various...

Effect of Be addition on age hardening and precipitation behaviors of Al11Si3Cu alloy was investigated by hardness measurement and differential scanning calorimetry (DSC) analysis. The age hardening results show that 0.25% Be addition increases the peak hardness of Al11Si3Cu alloy about 20HV. DSC results...

The formation of a certain mine is the overturned stratum. The roof of coal seam is the limestone aquifer, which is cut by the normal fault. The deep mining of steep inclined coal seam is easy to cause the activation of fault and conduct limestone aquifer, resulting in water inrush accident. Facing the...

In the research of multi-spectral radiation thermometry, temperature measurement depends on the line shape of spectrum radiation remittance. However, in the actual measurement, the combustion, explosion and gasification on special occasions can produce some particulate matters. These henomena will affect...

In order to effectively control the emissions, a MHD assisted mixing technique is presented and a MHD assisted mixing experiment system is developed. The experiment shows that with the help of MHD assisted mixing technique, the contacting surface between fuel and oxidant increase, thus make the combustion...

The carboniferous igneous rock in the west Junggar Basin mainly composed of tuff, andesite, basalt and volcanic breccia is very hard to exactly distinguish via geological logging. Based on logging data coupled with cores, logging cross plot, imaging logging and fisher discriminant was used to identify...

Amine modified carbon quantum dots were synthesized though a simple nitric acid oxidation method together with a hydrothermal treatment using mesoporous carbon as precursor. The features and properties of product were characterized by fourier transform infrared spectroscopy (FTIR), photoluminescence...

In this paper, an advanced sliding mode control (ASMC) with integral sliding function is proposed for the pendubot system which is a planar two degree of freedom (2-DOF) robotic arm in the vertical plane with an actuator at the shoulder, but no actuator at the elbow. Using MATLAB/SIMULINK environment,...

This paper presents a mechatronic device that finely corrects the fastening position of test standards and applies it to the automated testing procedure of metering current transformer.In the automated test, there is a certain deviation between the measurement transformer size and the standard size,...

Biotechnological processes cover not only biological safety, but also environmental, economic, technological and food security. A special place in the system for adequate feeding of animals becomes preparing food for feeding and especially ensuring the needs of animals with all necessary nutrients and...

The third generation system of the easy-to-control data acquisition and monitoring control system (INSPEC) is relatively complete, and its application in power systems is the most common. It can also have the disadvantages of interference, communication protocol security and security of the main control...

A pot experiment was conducted to study the effects of melatonin (MT) on the growth of radish seedlings under salt stress. MT increased the biomass, chlorophyll content and antioxidant enzyme activity of radish seedlings under salt stress. When the concentrations of MT were 50, 100, 150 and 200 mol/L,...

Exponential distribution is very important distribution,it is often used to approximate various life distributions, and is widely used in in the areas of queuing theory and reliability theory. The article studied the combination fiducial region estimation of two parameters exponential distribution under...

Intensive Care Unit (ICU) is one of the units in the hospital that clients receive intensive medical care and monitoring. There, nurses carry out the nursing care process. All steps in the process must be properly documented. Although nursing care documentation is very important for both patients and...

In recent year, cement board including calcium silicate cement board has attracted significant attention from researchers and industries as a building component for more affordable housing. In general, the raw materials for calcium silicate cement board consist of silica sand, cement, pulp (cellulose),...

The circular patch microstrip antenna is a device that supports 5G technology because it has a low profile and small dimensions. The circular patch antenna generally constructs of 3 layers of an electromagnetic material. The materials are a good conductor as the radiator and the ground plane and a natural...

This research aims to evaluate the feasibility of the grounding system in the Hexagon Building, Faculty of Engineering, Mulawarman University. The quality of the grounding system is determined based on the measured resistance value, where the ideal value is in the range of 0 to 5 Ω. Several factors that...

A process mineralogy and beneficiation test study was conducted on a gold mine. The results indicated that the ore composition was relatively simple, primarily consisting of dolomite, chlorite, quartz, sericite, pyrite, chalcopyrite, and limonite. Under a closed-circuit flotation process involving one...

The construction and development of underground space are of great strategic significance for optimizing urban spatial layout and comprehensively utilizing land resources. With the rapid development of underground ring roads and public space, the construction of large-scale deep foundation pits in water-rich...

In this paper, pursuits of high precision of linear/rotary stages by using cooperation motions and high precision stability via enhancement of the interface of stationary and moving parts are presented. Mechanisms that can provide multi-axis motions with a relative small stroke but a high precision are...

The development of ICT in administrative department is an important part of ICT application in higher education. The evaluation of ICT development level in each administrative department of university is an effective way to understand and promote the development of ICT in education, which has great significance...

A image processing virtual simulation platform is designed based on MATLAB GUI. This platform has good interactivity and expansibility, which integrates multiple functional modules including basic function module, noise adding module, image denoising module, feature extraction module, and image mosaic...

Monitoring the health of the elderly people through wearable equipment helps to reduce the health and medical expenses associated with falls in the elderly people. The technology of falling detection is analyzed, and a fall detection and alarm system based on triaxle acceleration sensor and gyroscope...

In light of excellent power density and extended cycling stability, supercapacitors have been recognized as the advanced energy storage in the future. Nanoporous gold with a large internal surface and excellent conductivity, is a promising electrode material for supercapacitors. This article reviews...

The individual ZnO nanowire was prepared through thermal evaporation of ZnO powder. A new test platform which contained the micromanipulator nanoprobe system installed in the scanning electron microscopy (SEM) chamber was introduced for the test of the mechanical properties of individual ZnO nanowire....

Based on carbon source and carbon sink analysis frame in low-carbon economy theory, this paper constructs a low-carbon city measure index system which includes 13 indexes, which are production, transportation, construction and living carbon sources, forest and green land carbon sink.

Finite element model of a 220kV transmission tower was established in general software ANSYS. The constrained method of the freedoms of tower foots with foundation settlements was proposed. According to the monitoring data of the non-uniform settlement, the relative settlement values were applied at...

In order to study the influence of purline stiffness in portal frame on the stability performance of portal frame, this paper establishes the finite element model of portal frame-purline-knee bracing system and conducts buckling analysis and ultimate bearing analysis of the system by use of ANSYS finite...

This paper proposed two new techniques to reduce the static shift effect in Controlled Source Audio-frequency Magnetotelluric (CSAMT) method in terms of image and signal, by applying Radon transform and Fourier transform, respectively, for data processing. The first method compensates for the static...

According to the need of the provincial evaluation capacity of the marine economy in this paper, we design the evaluation system for the marine economic based on JAVA as the development language and Oracle 11g as the database. It introduces the division of the system architecture and function module...

According to research on centralized detection theory of air-to-ground missile dual-mode seeker, the theory detecting threshold value is got by the method of likelihood ratio function. Based on quantitative analysis of air-to-ground missile dual-mode seeker detectivity, the relationship between S/N and...

For the current Internet of things system architecture analysis, proposed based on the structure of the central node of the structure of the model. The task of center node is that migrate the task of application node to the central node, using intelligent task management program automatically complete...

In the construction of road projects, there are risks in, especially related to the time of project. This is a concern because in its construction, road projects are often related to social impact in the society, such as the road closures, the route changes, etc. The delay in road projects will impact...

Dynamic monitoring and risk assessment of liquid storage tank is an important technical part of enterprise safety guarantee. A general framework of safety monitoring system for tank area was brought up in this paper. It established a parameters monitoring and precaution system on the base of configuration...

The barrier toll is a crucial part of a freeway. The bottleneck of a freeway about safety and throughput is usually the fan-in area. In this paper, we put forward the merging model of barrier tolls (MBT) based on cellular automaton considering various factors which influence the merging vehicles. we...

Based on the 76 scenes of GF-1 WFV images in Jun 2013 ~ Jun 2016. After processing, a total of 22 times of Poyang Lake area images. Water extents of Poyang Lake area were extracted by Normalized Difference Water Index (NDWI) and analyzed for water surface variation in time sequence. The results show...

Cellulose is one of the most abundant biomass resources on the earth. The degradation of cellulose into bio-available sugar is of great significance to the development of bio-energy and bio-based chemicals as well as the comprehensive utilization of biomass resources. A large part of the cellulose degradation...

Tourism is a promising sector for a country, especially in the field of economic and social. Tourism is a benchmark image of a country. Nowadays, industrialized countries, developed and developing countries begin vigorously to fix tourism sector in order to increase existence of the country. Indonesia...

World energy demand continues to increase rapidly. Meanwhile the non-renewable sources of energy keep decreasing. To overcome this situation, many studies to produce energy from renewable source has been developed and tested. From many available options, biodiesel is one of renewable energy that has...

This study focuses on solving problems in traditional three-axis 3D printing, such as the stair-stepping effect, excessive support structures, and poor mechanical performance. It uses continuous carbon fiber as the printing material and designs an automated additive manufacturing system based on a KUKA...

The development of industry and agriculture has led to increasingly serious eutrophication of water bodies, and the study of methods for the effective treatment of wastewater is of great significance. This study was conducted to investigate wastewater treatment using Chlorella pyrenoidosa, Bacillus licheniformis,...

At the present, the problem of energy crisis plaguing various countries in the entire world. China is also facing the huge challenges between energy supply and demand serious imbalances. The energy saving problem has become a hot social issues, which has received widespread attention. The key of building...

In order to obtain the real physical model characterizing the pore and fissure structures of coal rocks and explore the seepage rules of coalbed methane (CBM) using numerical simulation, we proposed a sequential study method from real coal model to coal CAD model to coal finite element model. The coal...

Coal-based direct reduction followed by magnetic separation was used to produce direct reduction iron powder (DRIP) from a titanomagnetite (TTM) ore. The residual solid wastes which are called coal sludge in this paper are still discarded as waste in large quantities. To explore the feasibility of using...

This template explains and demonstrates how to prepare your camera-ready manuscript for publisher. The best is to read these instructions and follow the outline of this text. Please make the page settings of your word processor to A4 format (21 x 29,7 cm or 8 x 11 inches); with the margins: bottom 1.5...

It's important to control students' learning path and to know students' learning knowledge levels in individualized education systems. Based on knowledge space theory, we studied learning state space and built a learning state model through Petri net. Since all possible learning paths can be found by...

Artistic gymnastics has recorded remarkable progresses, highlighting the fact that it develops in accordance with the trends of performance sport, but it has its specific features too, such as: increase of sports mastership, increase and rivalry of competitive programs, processing of new complex routines,...

Recently, withmanufacturing enterprises have begun to widely useadvanced information technology to real-time monitor of their business and product, a large amount of data related to product lifecycle were produced. Typical challenges for maintenanceunder the environment of big data is facing now are...

The power grid data quality is the key factor which will affect various applications of smart grid power dispatch control system, and Power system state estimation results implied the problems in power grid data. The existing state estimation evaluation index is relatively single, and the analytic result...

The investigation of benthic macroinvertebrates of Baiyangdian Lake was done in 2014. It contains the composition and diversity of benthic macroinvertebrates. Making an analysis of the survey result discovers that the diversity index of Yuanyang Island was the lowest as the sewage river entrance. No....

This paper analyzed source and proportion of waste heat resources in power, and expounded characteristics and utilization way. It also indicated of rotary air preheater in the advantage position of waste heat utilization, but was some shortage. Finned heat transfer was enhanced a development direction,...

In Vitro Diagnosis is an important supplementary means for diagnosis and treatment of diseases. Most of the In Vitro Diagnosis on the market is a combination of data acquisition and analysis instrument, of which portability and the cost are restricting factors in its development and promotion. This research...

This paper investigates a method to locate important facial feature points with small training samples. Firstly, the facial feature points are divided into several categories, then these various feature points are trained by LMBP neural network to get each sub-network. Outputs of these sub-networks can...

In order to meet the demands of slag formation without fluorite the calcium ferrite pellet is developed in laboratory. The lime and iron oxides combining in different proportion are used as raw material of the calcium ferrite pellet. The melting properties of the calcium ferrite pellet is determined...

In digital image processing, classic wavelet algorithm often has difficulties in obtaining accurate wavelet coefficients by using continuous integral formula. Hence, clear and accurate edges of images cannot be detected in the classic wavelet algorithm. To deal with this problem, a new algorithm is proposed...

Epoxy resin composites filled with nanoparticles are widely used for electrical devices such as insulators, VLSI package and rocket engine shell materials. An experimental study on the mechanical property of SiO2-filled epoxy resin composite was carried out by the electronic universal testing machine....

Fault detection and diagnosis (FDD) for singular stochastic distribution control (SDC) systems via the output probability density functions(PDFs) have been discussed. The PDFs can be approximated via square-root B-spline expansion,and expansions to represent the dynamics weighting systems between the...

Tight gas, along with shale gas and coalbed methane, is known as top three unconventional gases. Tight gas development has strategically importance in the development of natural gas and energy structure adjustment in China. It should be considered in priority in the exploration and exploitation of unconventional...

Based on large-scale triaxial tests, the mechanical properties of loess and crushed rocks mixture mass of a freeway tunnel’s surrounding rocks in Hebei were studied under the consideration of crushed rock’s contents. The test results indicate that with the increase of crushed rocks contents, initial...

This paper for red Liulin coal mine underground complex production environment combined with actual shipped, designed a set based on the arm of the coal mine trackless rubber tyred vehicle inspection control system. System can be detected by the vehicle detector in coal mine underground without trackless...

The Internet is filled with opportunities for learning, communicating, and sharing information. It is a valuable resource for children and adults alike. Like any large community, however, the online world presents some underlying risks, especially for children. Parents need to be aware of some of the...

Objective To study the effects and mechanism of Hedysarum Polybotys Saccharide (HPS) on ventricular remodeling induced by isoprenaline (ISO) in the mouse. Methods Ventricular remodeling model was induced by subcutaneous injections of ISO for continuous fourteen days. Mice were randomly divided into control...

Deyeuxia angustifolia is the dominant species in the natural grassland of Sanjiang plain of Heilongjiang province of China. In this study, two sequencing libraries prepared from control (T1) and samples treaded by elevated CO2 (T2) were sequenced to investigate the changes of D. angustifolia transcriptome...

The preparation of peroxyacetic acid (PAA) using acetic acid and hydrogen peroxide (H2O2) in the presence of perfluorinated resinsufonic acid (Nafion-H) in room temperature has been studied. The prepared PAA is determinate with Au electrode by cyclic voltammograms of after background subtraction. A form...

With the method of "Interactive experience", according to the Elderly product market for the product opportunity gap, firstly determine the elderly travel product as the design direction by study; Secondly find elder people’s travel problems by questionnaire survey method ; then design product gap as...

The flight dynamics modeling for helicopter is playing an important role in helicopter design and flight performance analysis. This paper presents aerodynamic models for helicopter components, and the process of constructing aerodynamic model for main rotor is described in detail. When establishing the...

At present ,the prediction result of highway traffic noise is quite different from the actual situation ,the main reason of which is that the prediction model of the sound source is not perfect .This paper considers the actual height of highway sound source ,uses acoustic simulation software to build...

The article deals with the problem of estimating the proportion of individual transport users visiting the focal points of various functional orientations. The factors and strategies of transport policy influencing the proportion of visitors arriving at the focal points by their private transport are...

In this paper, the hydrothermal method was used to synthesis the Eu3+ ions activated BiPO4 powders. The characteristic of the BiPO4:xEu3+ samples were analyzed with different testing methods. XRD results show that Eu3+-doped BiPO4 samples presented a hexagonal structure, and with the increasing of Eu3+...

With the development of digital image processing technology, traffic video monitoring technology based on image processing technology has become an important frontier research field of intelligent transportation system. The characteristics of intelligent transportation system and digital image processing...

Shales are enriched with diverse suites of trace elementsthat reflect theirdepositional environment. The purpose of this paper is to restitute the paleoenvironment of Carboniferous shales in Wuwei basin. In this study, we used and analyzed comprehensively trace elements(B, Sr, Ba, Ga, V, Ni, Co, U, Th)...

This paper analyzes the administrative structure and different evolution path of public finance management of the two provinces, finds that fiscal inequity exists in both provinces regardless the political and economic background. In order to reduce the horizontal inequity, policy makers should try to...

With the development and application of business management information system, businesss own much more production and management softwares. Traditional computer labs can not deploy these application softwares and provide data sharing operations at the same time. In this paper, a cloud intelligence business...

The purpose of this research is to find out the effect of guided inquiry learning strategies on science learning outcomes of students of the Taruna terpadu Bogor Junior High School. Guided inquiry is one of the learning strategies that emphasize students active learning through the investigation with...

The rapid development of cellular communications technology has increased the need for independent and reliable networks, particularly in areas with high disaster risk. This study presents the development and deployment of a private LTE network using USRP B210 hardware and the srsRAN platform to support...

This paper elaborates about the enhancing of lipid content and biomass productivity of the three types of microalgae. The aim of this study is to determine the effect of EMS (ethyl methanesulfonate) mutagen and UV-C on microalgae Spirulina sp., Dunaliella sp., and Nitzschia sp., and comparing their biomass...

This study comprehensively examines the technological evolution of industrial robotic arms from the 1980s to 2025, analyzing key advancements in drive mechanisms, control systems, and human-robot interaction paradigms. Drive systems have progressed from bulky hydraulic actuators to high-efficiency servo...

The past several years have seen an increase in interest in trading that is supported by machine learning and artificial intelligence. Utilize automated trading with the aid of machine learning and artificial intelligence to reap the maximum rewards from the cryptocurrency market. For a specific time,...

This paper investigates the mechanical properties of gypsum composite reinforced with rice husk fiber. The composite consists of gypsum as matrix and rice husk fiber (RHF) as reinforcement. The mechanical properties of composite including flexural and compressive strength were investigated with variation...

In accordance with the big size and bulky volume and not easy to carry of ECG monito ring equipment limitations , a new portable ECG collecting equipment of real-time monitoring and low-cost was designed. Compared to the static ECG monitor , the new design has obvious advantages easy to cassy and fit...

Digital Electro Hydraulic (DEH) control System, a key element including the nonlinear aspects, is an important control component of the steam turbine control system. The changes in parameters of DEH affect greatly on dynamic characteristics and quality of electricity produced by steam turbine. This paper...

This paper focuses on structural size optimization. The optimization problem of "TianTuo-3" microsatellite, which is successfully launched in September 20, 2016, is formulated mathematically. The most character of the problem is that outcomes under certain inputs are analyzed by commercial software,...

This paper focuses on the design of mooring system, considering the influence of tides and wind speed on the system, analyzes the force of anchor chain, steel barrel, steel pipe and buoy, and establishes the model of particle rigid body, single object and multi-objective programming. The actual results...

The red clay has high moisture content, high plasticity, high void ratio and other special engineering properties,especially when the subgrade surface dehydrates,it shrinks and cracks,caused the subgrade to have some diseases.Taking the subgrade filling from Liupanshui inner Expressway as the research...

This paper proposed a fault fast detection criterion based on the change of voltage on the resonant device after a fault occurs, this proposition is based on a series analysis of the resonance voltage waveform on the acceptor resonance fault current limiter (FCL) in the OMIB system. Meanwhile, possible...

With the development of international economic and trade, the international shipping industry has also been rapid development, especially the development of marine container freight business is inferior, as one of the shipping industry, freight forwarding industry has also been developed opportunities....

Carrying out safety Pre-control management can offer the power plants clear understanding and overall evaluation of hazard in the range of their productive activities, so as to avoid the hazard turning into potential safety hazard, and to nip it in the bud. On the basis of comprehensively identifying...