Advances in Engineering Research

The paper deals with recreational resources and potential of the Khulamo-Bezengi Valley in the Kabardino-Balkar Republic. The main attention is paid to recreational resources and development of the area. We distinguished the most promising types of recreation such as traditional-mountaineering, mountain...

This paper constructs a short-term traffic flow forecasting model based on SVR. First, the modified KNN algorithm is applied to achieve phase space reconstruction and get the input data of SVR. Then, the short-term traffic flow forecasting model is established. Finally, this model was tested and evaluation...

This paper presents the determination of bergenin content of Pulmonaria officinalis by high performance capillary electrophoresis (HPCE) method. The borax solution as buffer solution was chosen, and its concentration was 20 mmol/L at a constant voltage of 20kV and injecting time of 10s. Linearity was...

The increasing of gasoline demandcause, the need for octane number booster additives such as methyl tertiary-butyl ether, ethyl tertiary-butyl ether, triacetin and other additives is increasing. Methyl tertiary-butyl ether is one of the non-metallic substances that can be used as an octane number booster...

Microwave intermittent drying kinetics of banana slices were investigated under different power levels (250, 400, 550 and 700W), sample thickness (3, 6, 9 and 12mm), heating time (11, 14, 17 and 20s) and intermittent time (50, 60, 70 and 80s) during each cycle. Results indicated that all the four factors...

In order to investigate the wear characteristics of flat slippers of shearer, this study firstly built up the static model of the whole shearer machine. Basing on the static simulation research for the flat slipper by ANSYS, the maximum values of stress and strain of the flat slipper was obtained. Then...

In many occasions of the practical engineering, the equipment of reciprocating rectilinear movement at high frequency is used commonly, which usually is completed by the slider-crank mechanism. But there is big friction force between the guide rail and the block in this mechanism, thus the big friction...

To determine the optimum technological conditions of germination of buckwheat seeds, we studied on the influencing factors of germination rate of buckwheat seeds, which include soaking time, soaking temperature, germination temperature and germination humidity of buckwheat seeds. The results showed that...

With gradual development of power system, harmonic measurement of power system has attracted increasing attention. To realize harmonic measurement, we need to measure accurately using professional equipment. The research and development of virtual instrument is of great help for harmonic measurement...

The steady accuracy of output waveforms is a core index for judging the performance of DC-DC converter and it is mainly determined by the control scheme of DC-DC converter. This paper studied a PWM current hysteresis control scheme to improve the performance of the high step-up current-fed DC-DC converter...

The article analyzes the theoretical and practical background of the conception “environmental security”, as well as systematizes various approaches to its definition. The authors determine the structural elements and the functional purpose of this phenomenon. The empirical study of policy implementation...

Kedungjati - completion road is a railway line that has not been used, and it used to connect between Semarang and Secang, Magelang Regency. In accordance, with the 2011 National Railway Master Plan (RIPNAS), the Directorate General of Railways of the Ministry of Transportation stated that the need for...

The ability of chickens to retain calcium and phosphorus at high temperatures is low, so a lot of calcium and phosphorus is wasted through feces. This study aimed to calculate the calcium and phosphorus requirements of female Arab chicken until the first age of laying eggs in a semi-scavenging system...

Eurycoma longifolia which is a renowned folk medicinal herb in South East Asia is rich in saponins. This study investigated the different extraction and fractionation techniques of saponins from the roots of the plant. Organic solvents such as acetone and ethyl acetate were used to precipitate and partition...

Indonesia has a lot of abundant material resources. One of them is the availability of solid wood that can be used for bridge construction. The wood used as a bridge structural element has a 15-20 meters span with class III road loading capacity. However, wood has limited dimensions. Therefore, it is...

Recent developments in artificial intelligence have enabled the world to detect objects, learn their surroundings, and forecast the next sequences. The cost of surveillance systems is reduced as a result of the development of embedded technology. The surroundings are being captured by the surveillance...

The Bungus Bay Ferry Port Service Unit is a ferry port in the West Sumatra Class II BPTD working area located in West Sumatra Province. This research aims to find out how waste from the results of ship operational activities is disposed of in the port area, and the activities of service users in the...

Processing big data into human mobility analysis requires more in-depth stages and calculations with each consideration or assumption at the beginning of the step. Data from the Ministry of Transportation Research and Research Section with City Data for March 2022 on 15–16, Sunday and Monday as a representative...

The author’s analysis will consider the influence of solar panel implementation on several challenges related to power supply failures from the national power utility (PLN) at Sultan Iskandar Muda International Airport. The purpose of implementing solar panels is to address the power supply failures...

Rapid digitalization and networking have increased communication demands, necessitating optimized spectrum resource utilization. Evolving frequency reuse strategies like Fractional Frequency Reuse (FFR), Intelligent Frequency Reuse (IFR), and Dynamic Spectrum Reuse (DSR), particularly with the advent...

This study examines a Content Delivery Network (CDN) model integrated with Application Programming Interfaces (APIs) structured in alignment with the hierarchical architecture of Indonesia’s government. In this simulation, the Central Government operates as the origin server, disseminating a 1 MB content...

A dramatic increase in the number of devices that are connected to the wireless networks has seen many challenging issues. One of them is the security problem. Enhancement in physical layer security has shown promising results to improve these security issues in the existing wireless networks. This paper...

With the widespread application of wind power grid connection technology, the issue of voltage stability in the power system is becoming increasingly prominent. The fluctuation output and wind speed changes of wind turbines pose significant challenges to the grid voltage, and how to improve voltage stability...

Modern trends are leading to an increase in the number of alternative and renewable DC power sources, which are switched on in parallel operation with the main power source, which is a synchronous generator (SG) or a powerful AC network, through a semiconductor autonomous voltage inverter. In order to...

Industry is one of the pillars driving strategic economic growth, but on the other hand it can also have a negative impact on environmental quality. The company’s concern for the environment is also called environmental performance. The measure of a company’s environmental performance can be seen from...

The heavy logistics, discrete operation floor, volume work in process, high-intensity operation and informal operational standards are taken as the production problems of digital caliper assembly in the G company. According to the problems mentioned above, the improvement scheme of caliper assembly line...

Aerodynamic characteristics of small-rotor were studied based on the finite volume method. In an attempt to study its performance, hovering flow field of the single-rotor was established, meanwhile, the boundary conditions were set up. In addition, flow field was analyzed numerically by using computational...

This paper presents a feature based vision destination recognition approach. A simplified static calibration of camera is implemented and then based on the homography matrix calculated by coplanar matched Speeded-Up Robust Features (SURF) points the destination which is not even a direct feature point...

In this paper, the transfer matrix method is firstly used to analyze the free vibration of a simply-supported rhombus plate. Firstly, using coordinate transformation formula, the solution domain for a rhombus plate is converted into a rectangular one, and the governing equations and the corresponding...

We nowadays attach more attentions to the concept of sustainable development. Making our life develop faster, suitable and more economical becomes an urgent problem to solve. In these years, some of the cities' continued urban sprawl and the loss of farmland which is surrounding urban centers causes...

In the case of a thin surface precision mechanical device, it is often accompanied by mechanical vibration, mechanical vibration will reduce the precision of the device. In order to eliminate the influence of the vibration, the surface eddy current damper is introduced, which can quickly generate the...

Abstract. To observe hypoglycemic and hypolipidemic effects of Melastoma dodecandrum ethanol-extract on type 2 diabetic rats. Except twelve SPF SD rats were as the control group, the rest eighty type 2 diabetic rats were induced by feeding with high-fat and high-sugar diet and intraperitoneal injection...

The establishment of stable and reliable island microgrid with renewable energy resources is an important measure to guarantee the island economic development. The scheme and strategy is used to achieve information communication and interactive control. The energy storage unit and diesel generator can...

In order to study the effect of water on the rock compressive strength, mechanical data for different water content of siltstone uniaxial loading process are analyzed, the results show that: 1) siltstone compressive strength decreases as the water content is increased, the damage of water to siltstone...

The hybrid active power filter is very efficient in filtering harmonics and power factor correction. But its efficiency depends on many factors; including control strategy plays a very important role. Therefore, this paper aims to analyze mathematical model of the hybrid active power filter. On that...

The super capacitor has the advantages of high power density, short charging time, long service life and so on. It has a great development potential in the field of energy. Continued growth in market share will further stimulate the super capacitor of R & D, in order to meet the needs of commercial prepared...

In this paper we analyzed the product design process model based on function-principle-structure. Regarding the existing products as an object for module partition, we researched the related principles and quantitative method based on the function, principle, structure between the two parts. In the research...

Current Statistical (CS) model is a good adaptive filtering model for maneuvering target tracking. While, the performance of CS model depends on the maneuvering frequency, and becomes poor when tracking weak maneuvering targets. Firstly, the innovation of the filtering is used to reduce the dependence...

Wheat Straw Cellulose (WSC) modified by diethylenetriamine was investigated as an adsorbent for Cd(II) removal from aqueous solution. The preparing parameters on preparation of Polyamine Wheat Straw Cellulose (PWSC) were optimized. The effects of pH, adsorbent dose, contact time and initial concentration...

This paper introduces composition of a system platform to collect data from a wireless monitoring bridge, develops software to receive data from monitoring bridge fixed with vibration sensors and temperature sensors. We use INV3020 made by Coinv(China Orient Institute of Noise & Vibration) as a lower-position...

An arch will block the flow of grain , destroy the continuity and reliability of the discharge operations, and interrupt the continuity of discharging . Aim at the arch could produce harmful phenomenon and combining with the knot into the mechanism of the arch ,when we load and unload food.We propose...

This paper studied the effect of triethanolamine(TEA), glycerin(PG) and lignosulphonate(CLS), used as grinding aids respectively, on cement particle size distribution and mortar strength. Grey connection analysis was made between cement particle size distribution and compressive strength. Results showed...

Natural fiber thermal insulation is rarely used in the Slovak republic. This low usage might be caused by various factors such as mistrust of new materials from the point of view of thermal insulation installation or of their behavior in case of fire. The paper focuses on the problem of their reaction...

Titanates have great attention mainly due to its versatile properties that make their various applications in science and technology such as in electronic transducers, thin film capacitors, computer memory cells, etc. The thermal study of ferroelectric titanates RTiO3 (R = Pb, La, Ba) have been investigated...

High voltage 4H-SiC Ti schottky junction barrier schottky (JBS) diode with breakdown voltage of 1200 V and forward current of 40 A has been fabricated. A low reverse leakage current below 1.02 × 10-4 A or 4.08 × 10-4 A/cm2 at the 25 and the reverse bias voltage of 1200 V has been obtained. The forward...

The air conditioner installation in general, the air compressor is installed at the external of the building that has well for heat rejected and pretty location. The air compressor must be used the supporting leg for support the its weight. Now a day, the production of supporting leg has the measure...

In order to realize ahead forecastofgeological structure of coal roadway and reduce coal mine accidents, an advanced detector based on Dynamic and Directional Electric Field Excitation Method was designed by my research group. As an important part of the detector, the electrode has a great influence...

The paper introduces the technical essentials of high level detection of carbon-sulfur in aero-engine materials by using high frequency induction combustion-infrared absorption method. Meanwhile, in order to adapt to the development of aero-engine, the paper proposes and elaborates ten major relations...

With the deterioration of environmental and energy problems, the demand for large amounts of new energy interconnection has become increasingly strong. However, the fluctuation of new energy will impact the stability of power grid. This paper describes the development and application status of energy...

Traffic forecast is the basis of traffic planning. And it is an important basis for determining the road traffic network structure layout, capacity and provincial corridor layout. The accuracy level of the model and algorithm directly restricts the reasonable degree and scientific level of traffic network...

This paper studies the implementation of weak signal detection chaotic oscillators. Also, the detection model of the system is theoretically studied and analyzed. The main mechanism of the chaotic oscillator detecting the same frequency signal and the non-frequency signal located in the difference frequency...

Current sampling is used in the vast majority of auto lamp test system and the testing and controlling system of other products. It can observe and record the current value in the detection process, with the purpose to judge whether the various features of the products can meet the test standard. Based...

Traffic conflicts at six leg unsignalised intersection could produce traffic accident, this is because of complex traffic interaction in this area. This paper describes the result of analysis and modelling on traffic conflict at six leg unsignalised intersection. The data was captured using handycam,...

Demolition needs special attention because the planning process is complex and has a high risk. In decision making, practitioners face various conditions that influence the choice of demolition methods. This study aims to develop an optimal model for building demolition methods based on the building...

The article presents the results of an integral estimate of pollution in Nalchik using the generalized desirability function of Harrington. As a generalized indicator of desirability, the integral indicator of pollution is used. It is based on the pollution estimate of individual components: chemical...

The carbonized plant powder and the purified phosphating slag are used to filter the biogas slurry, and the filtered residue and filtrate are rationally used to solve the environmental pollution caused by the discharge of the biogas slurry and phosphating slag. The three plant powders (corn straw, wheat...

The paper proposes a framework for safety monitoring and emergency platform by means of analyzing the demand for sharing information on control and management as well as the measures taken in safety guarantee system from the perspective of importance of safety in constructing urban rail transit. It analyzes...

With the construction of UHV power grid, power grid operation gradually presents the integration characteristic. Hence, it is much more difficult for the current intelligent power grid dispatching and control system's bus to meet the needs of data exchange among the different dispatching agencies. According...

The problem of controlling the hydration heat of large volume concrete has been paid highly attention by the bridge project. In this paper, the construction process of large volume concrete in the cushion cap of Extradosed Cable-Stayed bridge is monitored in real time and measures of heat preservation...

Indonesia being an island nation, is facing numerous issues with regards to connecting 17,000 odd islands. Due to the lack of connectivity between these islands, the people’s price disparities and economic standards are being affected. It has resulted in the introduction of the Sea toll way program by...

Based on the SAP2000 finite element analysis software, the stability analysis of the steel frame structure with oblique arrangement in the main beam plane is carried out by three different stability design methods, namely the first-order elastic analysis, the second-order P-∆ elastic analysis and the...

The incorporation of fibers exacerbates the thermal incompatibility among different components of concrete, accelerating structural damage caused by differential thermal expansion and contraction during temperature cycling, leading to a measurable reduction in load-bearing capacity and stiffness. This...

Due to the rapid development of science and technology, automatic terrain recognition is becoming more and more important. Mare and highland are two main lunar terrain units. Quick and accurate identification for mare and highland is important basis for various lunar researches. This paper provides an...

In this paper, Effect of different contents of Ce on the Mechanical Properties of ZK20 magnesium alloy and thermal deformation behavior, through the use of room temperature tensile and compression test thermal simulation, analysis Ce element is present in the form of ZK20 magnesium alloy and its alloys...

Titanium (Ti) based hydrogen-storage materials can absorb hydrogen under mild conditions. However, the materials could not absorb hydrogen without initial activation, owing to the formation of surface oxide layer. For mitigate the initial activation conditions, addition of Pd to Ti based materials were...

The pipeline steel X70W submerged-arc welding was simulated by FEM using ANSYS, for the issue that the cracks were frequently found in the base metal when the pipeline steel was expanded holes after welding. And the residual stress was analyzed at three different welding speed through temperature field...

In this paper, friction stir processing (FSP) was used to refine the microstructure of the copper alloy using various parameters. The influence of the tool rotation and traverse speeds on the microstructural and mechanical properties of the processed copper alloy was measured and analyzed. Micro-hardness...

In this paper, the flocculant and trapping performance of the crosslinked starch-graft-polyacrylamide-co-sodium xanthate (CSAX) was evaluated using wastewater that contains Hg²+ as the target. Some factors affect the removal rate of Hg²+ were investigated. The experimental results show that the CSAX...

This paper reveals the inherent features of advanced persistent threat (APT), and summarizes its general attacking processes, attacking means and methods. The attacking steps model of APT which is based on UML effectively describes the application principles of APT and its behavior features, mode features...

The present study is the first propose use of secondary melt-processing, in which polyamide 6 (PA6) were successfully dispersed in Polyoxymethylene (POM) and POM/PA6 blends were prepared carried with POM. The effect of PA6 on crystallization nucleation behavior and mechanical properties of POM have been...

This design pays much attention on analyzing and calculating Miller capacitor in operational amplifier to optimist OP (Operational Amplifier). The design for a 8-bit high speed, low power pipeline ADC is based on standard 0.18um CMOS technology, with 3.3 power supply. The results show that the dc gain...

In this paper, we proposed a novel TEM device-borehole SOTEM based on the advantages of borehole TEM and ground SOTEM. In order to get a preliminary understandingÿto this method, we calculated the response on two-dimensional earth using FDTD scheme and analyzed its characteristics as well. The results...

For the status of low precision during micro-pit machining on the aluminum surface, a double mask electrochemical process is proposed. Pitting corrosion could be eliminated with higher current density and the lateral etching could be decreased with NaNO3 solution. Using optimized machining parameters,...

In order to extract fault features of rolling bearing effectively, a method which is based on variational mode decomposition and spectral kurtosis was proposed. The Intrinsic Mode Function (IMF) is obtained by variational mode decomposition.The intrinsic mode function (IMF) is obtained by variational...

The capacity and transmission power of the wireless ad hoc networks are limited, so the key to study in the field of ad hoc networks is how to use the capacity of the nodes and improve the performance of the network. Based on the research of traditional layered protocol, a new cross layer optimization...

This paper takes flavonoids the Mountain chrysanthemum leaves contained as the research object, using ultrasonic to extract total flavonoids and using response surface methodology to optimize flavonoids of mountain chrysanthemum leaves extraction process. The experiment use normal pressure silica gel...

A special method to increase damping ration of a kind of high speed vehicle was proposed by constructing a kind of terminal sliding mode surface. As the increase of damping ratio of flying system, the stability and stable margin can be greatly improved which is also a most important point cared by many...

A lot of researchers have studied cell fusion and manipulation during the past decades, and this field was pursued low cost and small setup. There is a lot of ways that can manipulate cell such as optical tweezers and dielectrophoresis (DEP). Particularly, optical tweezers can manipulate cells with non-contact...

Given the problems of testing work-load is great, data is inaccuracy and etc in the process of fish gathering lamp light illuminance testing, this article designs and proposes a efficient and fast testing way to fish gathering lamp light illuminance—LED fish gathering lamp wireless synchronous multipoint...

The endophytic N-fixing microbes Klebsiella oxytoca NHglj1, Klebsiella oxytoca NHglj2 and Enterobacter asburiae LMw107 of Nitraria were selected to explore the effect of Nitraria schoberi L. plant sap on salt and alkali resistance of its 3 endogenous N-fixing microbes strains in the Winogradsky's N-free...

The alternating load of aerodynamics, inertial force and elastic force of blade of wind turbine generator system can make elastic vibrator and tower generate coupling vibration to eliminate resonance. The paper takes the blade waving and bend of tower as an example. Firstly, the paper researches irrational...

A co-doping host layer 4,4’-N,N’-dicarbazole-biphenyl (CBP) and tris-(8-hydroxyqunoline)aluminum(Alq), was incorporated tris (2-Phenylpyridine) iridium [Ir(ppy)3] doped into host as the emitting layer (EML) based organic light-emitting device. Such a structure helps to increase the energy transfer from...

With environment quality decreases, consumer’s environmental awareness (CEA) increases and more and more manufacturers are willing to produce the product with low carbon emission. At the same time, government employs the carbon quota to stimulate the manufacturer to produce green product. This paper...

The new media, represented by the internet and the mobile Internet, has been showing strong growth in recent years. It has a wide range of influence and has caused great changes in all aspects of social life. In the new media environment, the vigorous development of the cultural and communication industry...

Big data is one of the most popular concepts and technologies in recent years. It has brought profound influence to our work, life and study. This paper studies the construction of personalized resources recommender platform in Universities under big data environment. The first is to solve the difficulties...

Prosthetic is an artificial limb that helps an individual with amputation to restore the lost part of the body and neuroskeletomotor function. The existence of prosthetic makes it possible for individual with amputation to perform their daily task and remove the barrier of social participation. An ideal...

With the great development of computer science technology and electronic information, all enterprises have established their own information systems. The database as the core and foundation of information system, it has also been more and more widely used. So the performance of the database has been...

It is of critical importance for convergence and diversity of final solutions that finding out a feasible global best guide for each particle of the current swarm in multi-objective particle swarm optimization (MOPSO). An improved approach for determining the best local guide in MOPSO is proposed, where...

Methods used for the determination of potassium content in pyrochnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the potassium with high content,the sample...

The adaptive contour extraction of low-temperature sausage image is achieved by the predictive edge detection algorithm according to the human eye's visual characteristics, and the fitting compensation skeleton extraction algorithm is used to extract the skeleton information, and the accurate length...

After entering the big data era, there is an increasing demand on data analysis. It is natural for the modern actuary to question tech buzzwords like "machine learning" and "data analytics." In reality, many machine-learning models have a basis in the very concepts, which actuaries have used to assess...

A disaster is an event caused by several factors such as natural and/or non-natural factors and human factors. Disaster not only threatens and disrupts people's lives but also will cause human casualties, environmental damage, property loss, and psychological impact. One of the challenges in disaster...

The reason of super plastic forming of sheet is concluded. Using simulated annealing genetic algorithm does a kind of nonlinear optimization to reason of super plastic forming of sheet control. The diagnosis knowledge warehouse and controlling parameter of super plastic forming of sheet is built. It...

Reducing vehicle quality to reduce fuel consumption and reduce emission pollution is the core problem in the development of automobile industry. Lightweight design and improvement are urgently needed for new energy and traditional automobile. In this paper, the research status and development trend of...

Madura Salt Tolerance Corn (var. Duko and var. Elos) and Hybrid Corn (Sukmaraga and Anoman-1) were germinated on 0, 100, 200, 300 and 400 mM NaCl for 7 days. Then its planted by wick system hydroponic also on the same NaCl concentration for 14 days, conducted by using randomized block design with 4 replications....

Due to the low degree of integration of informatization related technologies, the immature software design and the lack of standardization of agricultural information, agricultural development in China is seriously insufficient in the use of Internet of things technology, which restricts the development...

The Activated charcoal - AC is a carbonaceous material with high carbon content in its structure, it can be obtained from biomaterials such as: coconut shell, wood, bamboo, etc. Its pores are highly developed, have high adsorption capacity and have a microcrystalline form capable of selectively purifying...

The Lampung Bay is a coastal area which has become the main destination for marine tourism in Lampung Province in recent years. After the tsunami due to the eruption of Mount Anak Krakatau in December 2018, the number of tourists to the region has decreased. The main reason for this is that there is...

The economy is entering a new phase of post-covid development. It is necessary to take into account new trends in economic development and transport corridors. The study analyzes the existing economic corridors, examines the existing opportunities for further development of Russian-Chinese cooperation...

This study evaluates the efficacy of two stochastic models, the Lee-Carter model and Functional Data Time Series Analysis (FDTSA), in modeling male mortality in Nigeria. Data for this analysis were sourced from the Nigeria Bureau of Statistics, covering the period from 1998 to 2024. Through various error...