Advances in Engineering Research

A frequency-advantage to layer-stacked rule was proposed to design the wide band absorbing materials. The two stacked layer was constructed by the silicone rubber composites added the FeSi alloys and the carbonyl iron particles (CIPs). The layer permittivity and permeability were measured using a vector...

Semi Volatile Organic Compounds (SVOCs) contamination in soil was a widespread problem in China due to industrial pollutants leak and discharge. A pilot study of SVE and related combination techniques was demonstrated for soil contaminated with SVOCs. A miniaturization SVE system was applied in research...

Speech recognition technology is a key to voice control technology, through speech recognition enable computer can read the speech command vocabulary, and can be through voice control realize control on all kinds of home appliances in the home, the system combines ld3320 chip ICRoute company, voice control...

Blasting compacting method for filling stone in dealing with deep silt and soft foundation, has prominent features of quick construction, low cost and excellent effect, etc.. This paper, focuses on paddy rice transfer program in China Grains & Logistics Group North Grain Co. Limited and takes hydraulic...

Establish reliability model of marine power station under different working conditions. On this basis, the reliability model database of ship power station system is established. Through the real-time online detecting the different working conditions of the marine power station, the corresponding reliability...

Underground mining is hazardous due to variable conditions in production so accidents occur frequently. The present monitoring system can no longer ensure its safety. Applying Wireless Sensor Network as monitoring system can improve monitoring efficiency and prevent mining accidents. Based on research...

In order to study the failure modes and hysteretic behaviors of square tubular T-joints, three specimens were made to conduct the cyclic loading test. The test stimulated the constrain condition with hinge connection of both ends of chord member, and the brace was subjected to axial cyclic loading. Based...

Energy and environmental problems are more serious at present and people realized that the development of traditional engines is limited, and all countries in the world began studying all kinds of new piston engines. In history, there have been various types of engine to replace the traditional ones....

This paper studied the base framework of purchasing management system based on application service provider (ASP), presented the system structure for purchasing management system based on application service provider (ASP), built the operation model of purchasing management system based on ASP, based...

Amino-functionalized magnetite/Silica (Fe3O4/SiO2) nanoparticles were synthesized in water-in-oil microemulsion system by one-pot process. The structure composition and the surface functional groups of the product were characterized. The synthesized product was embedded structure of Fe3O4/SiO2 nanocomposites...

Microbial extracellular polymeric substances (EPS) have been considered as important renewable resources and technologies. Lately many studies are looking for valuable EPS as well as algae with production potentials and corresponding extraction methods. Spirogyra spp. is a genus of large filamentous...

The process of data acquisition system to obtain data information is carried out from a plurality of signals. The system is a high degree of automation equipment, it not only can real-time data acquisition, real-time control and status display, it also can be automatically stored, signal preprocessing...

In the case of information technology, the application of computer in various industries is becoming more and more extensive, which provides many opportunities for the development of computer electronic control technology. At present, the computer electronic control technology need to involve the subject...

Based on the rainfall profile in the area of the reservoir bank near the dam of Longjiang hydropower plant in Yunnan Province, the authors investigate the landslide under antecedent rainfall. By using the self-developed experimental apparatus, a model test which simulate the landslide under antecedent...

Based on the principle of bionics, this paper designs a hexapod walking device by using a crank rocker mechanism. The designed structure can perform some basic walking operations, such as forward and backward place, turn left, turn right and so on. Furthermore, the triangle gait principle of the hexapod...

Surge shaft serves to absorb the hammering effect of water from pressure tunnel generated due to the sudden stoppage of turbines, by accommodating surges/mass oscillations during load rejection/acceptance until the conduit velocity attains a steady state in water conductor system of a hydel Project....

A composite binder based on a mixture of fine fly ash with standard cement grade CEM I 42,5 was developedÿin accordance with the requirements of the concrete mixtures for molding products using of construction 3D printers. The influence of the ratio between ash and cement on the strength characteristics...

Mesh stiffness is one of fundamental parameters of face gear dynamics. Thus, a calculation solution of mesh stiffness of face gear drives was constructed by finite element method. The impact of face gear rim thicknesses on mesh stiffness was predicted. The analytical results indicate that a face gear...

The airship modeling is the basic of the airship control problem. Based on airship modeling of pitching channel of airship and its nonlinear model, an traditional PID altitude controller of airship is designed. Finally, this control method is proved to be effective by numerical simulation.

It is shown that natural-mining systems were formed as a result of economic activity in the last century of the mining enterprise of the Primorsky Territory Khrustalnensky mining and processing plant (now closed). It is proved that the intensive development of mineral deposits in the last century contributed...

In the field of intelligent building research, in order to meet the business needs of developing intelligent device monitoring software flexibly and quickly, a configuration software including configuration module and running module is designed for the wireless ad hoc network monitoring system in intelligent...

Seven of sixteen varieties of Madura Corns (Guluk-Guluk, Manding, Talango, Duko, Elos, Deber and Tambin), were planted on beach area. This research objectives was to study character the germination of maize in saline media. The corns were planted on saline media (0, 100, and 200 mM NaCl), conducted by...

Volatile Organic Compounds (VOCs) is one of the important atmospheric pollutants. It is important to develop materials and technologies for VOCs treatment. Adsorption is recognized as a relatively excellent VOCs control technology. Montmorillonite is selected as a base material for the preparation of...

In this paper, through the sampling analysis, the entropy weight---fuzzy comprehensive evaluation was adopted to distribute the weight of added cultivated land fertility in Taiyuan District of Weibei, and the soil fertility in the region was further evaluated. At the same time, the main limiting factor...

Based on full-size vehicle collision test, a new finite element dummy model(FEM dummy) was built in this paper, at the same time the corresponding dummy's material parameter curve optimization method was proposed. For the result of dummy simulation being in keep with that of full scale vehicle collision...

In order to further simplify the research of limit surface properties and establish a unified mathematical model. According to Catmull-Clark subdivision method in the regular mesh at the subdivision rules, a method of calculating the mathematical expression of limit surface by interpolation was presented...

As the rapid development of renewable energy, energy sectors have to increase the load transfer capacity of transmission line. In order to calculate the line ampacity accurately, it is necessary to establish a valid mathematical model for line AC resistance. However, the simplified AC resistance model,...

Image-based 3D Reconstruction is the inverse process of geometric drawing, however, the lack of information makes it difficult to reconstruct the 3D image. The methods of 3D reconstruction using object contour information contain manual interactive operation, stereo vision, motion image, photometric...

In this paper, the mixing ratio of carbon fiber and steel fiber was changed respectively under different environmental conditions. The influence of different mixing ratio of carbon fiber and steel fiber on the flexural performance of the reactive powder concrete beam was analyzed by finite element method....

The Cauchy problem of Helmholtz equation is severely ill-posed problem. In this paper, we consider the Cauchy problem for the Helmholtz equation where the Cauchy data is given at and the solution is sought in the interval . A semi-discrete difference schemes together with a choice of regularization parameter...

Currently, large amount of habitats of wildlife have been displaced by artificial structures because of urban expansion. As a result, smaller patches of habitat have been lost, larger patches have become fragmented, and some of the habitats become lonely islands which will have weaker and weaker contact...

The automotive sector accounts for 22 % of the National Industrial Product in Brazil. In terms of the internal market size in 2019, Brazil was the sixth largest market globally. Such important productive activity is now facing a challenge that is technological and has several implications that range...

In this paper, the simulation of a 3-Φ, quadruple VSI with linear and nonlinear loads is performed. The disadvantages of split DC link three-phase VSI are eliminated in 3-Φ Fourleg VSI. In this work, the proportional-resonant and proportional-control strategies are applied. This paper uses the SVPWM...

Human action recognition is a critical aspect of computer vision research and has various practical applications. In this paper, we focus on a specific type of action recognition, yoga pose recognition, and propose a computer vision-based model using deep learning. Our proposed model is a hybrid of Convolutional...

The shear rate effect on saturated soil–geotextile interface behavior was investigated through modified direct shear tests on silty clay from the Lanzhou New District, China, under four normal stress levels (25–100 kPa) and four shear rates (0.02–1.2 mm/min). Results show that all shear stress–displacement...

The “Belt and Road” is an international cooperation strategy proposed in 2013, which spans the continents of Asia, Europe and Africa, involving more than 140 countries and covering various infrastructure projects, trade networks and economic cooperation. Countries along the “Belt and Road” form a complex,...

Srijaya Negara Street is one of the roads located in the city of Palembang. This street is situated in the Ilir Barat I district, an area that is known as both a residential and educational zone. Along this road lies the largest university in South Sumatra, Sriwijaya University, sharing the area with...

In order to give full play to the performance of light weight and high strength of steel-concrete composite members, this paper proposes a partially filled steel-fiber volcanic slag aggregate concrete composite beam. Through the bending static test and finite element analysis of three rectangular cross-section...

Oil palm empty fruit bunches (OPEFB) are an abundant lignocellulosic by-product from the palm oil industry, representing a valuable feedstock for biopolymer recovery. In this study, a deep eutectic solvent (DES) system composed of choline chloride and oxalic acid (in a 1:1 molar ratio) was employed to...

BIM technology is an effective method to realize the standardization and universal management of metal structure design, manufacturing, construction and installation, operation and maintenance. This paper expounds the related application and research of metal structure BIM technology in water conservancy...

H2S gas overflow during tunnel excavation and operation will endanger workers and damage mechanical equipment. The injection of alkali into the tunnel face can significantly reduce the tunnel H2S emission. Using the chemical reaction module in COMSOL Multiphysics software, combined with the occurrence...

The article discusses the significance of high-performing Permanent Magnet Synchronous Motors (PMSM) in industries such as transportation, robotics, and industrial sectors due to their small size, high efficiency, and fast responsiveness. Field Oriented Control (FOC) is used in PMSM drives to achieve...

This study compares the use of artificial intelligence (AI) tools by engineering students and pre-service teachers, concentrating on their preferences and consequences for educational practices using comparative analysis approach. The study included engineering students from Yogyakarta and Gresik, as...

This paper proposes a new data acquisition client-software model used for the Mobile Application Analysis. Compared with the existing software models, the model proposed in this paper can improve the reuse rate and reduce the code duplication rate of software, it can also share data between multiple...

Commercial vehicles information service platform has not been constructed in transportation industry yet. It researched about data interaction and information sharing between administrative department, transport enterprises, maintenance enterprises and multiple-function detecting test station of commercial...

Bionic artificial leg is used to simulate the disabled health leg and provided ideal following gait for intelligent prosthesis test, so it raises a high demand about humanoid character and intelligent control. Referring to the parameters of human leg and the movement mechanism, the bionic artificial...

Based on the investigation on the status of the existing distribution system of agricultural products in Beijing and the analysis of the current problems of distribution and the factors affecting the quality and price fluctuations of fresh produce, this paper puts forward strategies to solve the distribution...

The Carbon Fiber Reinforced Plastics (CFRP) is one of the most popular materials for the impact attenuator. This is because that it has small density, high strength and high stiffness, which are required for crashworthy structure. In this paper, the CFRP square shell is the research object, the effect...

The transmission lines' fatigue failure caused by aeolian vibration is increasingly apparent as the wide applications of ultra-high voltage, so it is necessary to study the conductors' fatigue life of aeolian vibration. Different from the traditional infinite life design method and nominal stress method,...

In this research, we established a MPTP mouse model of PD, then ultrasound was used to stimulate the model to explore the effects of ultrasound on behavior and dopamine content in striatum. With the prolongation of ultrasonic stimulation time, the delay of observation time, the amount of DA in the striatum...

Concerning the high time complexity of medical image labeling in graph model, we proposed a region-based CRF method for medical image labeling. This method first over segmented the image into small homogeneous regions by using over-segmented method, and then the graphical model was constructed with regions...

To realize the automation of plugging bolt holes for automobile hub before the spraying process, this paper builds an automatic plugging bolt holes system, which is based on industrial robot and integrates the visual positioning technology and linear tracking technology. And then the overall system solution...

With the rise of LBS (Location Based Service), lots of user recommendation system based on location trajectory analysis has emerged. Finding periodic behavior is essential to analysis user’s activity. In order to solve the problems with trajectory outliers and human intervention in periodic parameters,...

In this study, the characteristic of CODCr distribution in hydraulic loom wastewater was investigated. The results show that most of CODCr materials exist in mesocolloid and suspending forms. Suspending and mesocolloid organics accounted for 31.5% and 46.9% of the total CODCr, respectively. The hydraulic...

The application of ergonomics in the tractor modeling has experinced three phases. They are design phases of mechanical center, “man-machine” system and “man-machine-environment” system. In the design phases of mechanical center, only considered mechanical design in terms of mechanics; In the design...

The underwater acoustic sensor network has been used in such wide areas as oceanographic data collection, pollution monitoring, disaster warning, offshore exploration, navigational assistant and tactical surveillance application. While the implementing of these applications lies in the key technology--underwater...

For assemble-type composited wall, 4 pieces of wall which are 1/2 scale models were made. By pseudo-static tests under low cyclic loading, the aseismic behavior indexes were compared and analyzed, including failure characteristics, bearing capacity, stiffness, deformation, ductility, energy dissipation...

This article shows ten special stiffened plates. With the help of high transient non-linear numerical software LS-DYNA, air blast wave load can impulse on stiffened plates. Overpressure of air blast wave distributes on the stiffened plates with different kinds of forms. The overpressure distributions...

Investigation results on specific erosion of copper tubular electrodes of the arc plasmatron for air heating are presented. The decisive influence of spatial stabilization of the arc discharge and current strength on the value of specific erosion is shown. The conditions of optimal erosion of electrodes...

In recent years, with the rapid development of China's economy and the acceleration of urbanization, the construction industry has also developed rapidly. With the improvement of people's living standard, people have higher and better requirements for their living environment. As a result, people have...

The combustion stability of low concentration methane in a perfectly-stirred reactor is numerically studied by Chemkin software and GRI-Mech 3.0 mechanisms, considering the influence factors of residence time, methane concentration, preheating temperature and heat loss, the following conclusions can...

Speaker recognition system can identify a certain person using speech analysis. Recent advances in speech processing techniques improve the recognition rate. In this paper, an efficient speaker recognition system is proposed. Firstly, a KPCA-based feature selection approach is adopted to get the efficiently...

With the comprehensive construction of smart grid, electric power data resources rise up sharply. Make full use of electric power big data can provide an effective way for the safe operation of power grid and high-quality power supply. In this paper, the electric power enterprises' big data was divided...

In recent years, with the development of earth science, the position of rock physics is improving in oil and gas exploration and rock analysis, meanwhile rock assay is necessary means to know the oil and gas geological features. This paper designs nine rock physics models, these models are divided into...

The recycled coarse aggregates were soaked in the water-glass solution with several concentrations for different soaking time. The optimal-processing recycled coarse aggregate was used to prepare the recycled concrete whose basic mechanical property and durability were studied. Tests showed: the water-glass...

This study mainly uses the mass conservation algorithm to analyze the influence of the rectangular surface defects, which are distributed on the bearing surface, in terms of the position of surface defects, defect area, defect depth, and defect occupancy rate on the performance of journal bearing at...

In this paper, the random number was generated by skip algorithm from parallel computation, so each thread can have independent random function distribution, and then can track different emission direction, to achieve the parallel computing by using Monte Carlo Method (MCM). Calculation results show...

Dynamic characteristic of stiffened thin plate structure is superior to that of conventional thin plate structure, but it continues to suffer from the problem of less damping and large vibration sound radiation. The vibration noise of thin plate structure can be effectively reduced by damping treatment....

At present, it is difficult to grasp the distance behind the vehicle when reversing vehicles, especially ultra-long and ultra-high vehicles, and there are some potential safety hazards. In order to solve this potential safety hazard and enable vehicles to park in garage more quickly and accurately, this...

A tooth of the input helical gear of an intermediate gearbox in a helicopter fractured during testing. In order to find out the failure mode and cause, macro and micro observation, hardness and carburized depth testing, microstructure examination, surface roughness and round angle testing were carried...

The tobacco blending is a special process in the tobacco product line. It plays a very important role in this area because it will affect the quality of the tobacco. The instant blending accuracy of the technological requirement is higher than 85??.... This paper introduces an automatic alarm of tobacco...

This paper is devoted to the issues of simulation and calculation of thermal processes in the system called “Human body – Thermal protection - Environment” under low temperature conditions. It considers internal heat sources and convective heat transfer between calculated elements. Overall this is important...

This paper analyzes the problems existing in the small and medium logistics enterprises, and points out that the small and medium logistics enterprises should reduce the logistics cost effectively through the cooperation, mutual aid and informatization in the development of the logistics enterprises....

The Gangjiang No.2 Bridge is studied as the research object. In this paper, a finite element model is established by using ANSYS finite element analysis software in the engineering background of the cable-stayed bridge with double cable plane steel. The results show that it can get the result of the...

At present, an electrical wheelchair cannot meet the needs of patients, like paralyzed patients, who spend most of their time on beds. This paper presents a mechanical design of a wheelchair which can transform to a sitting, lying and standing posture. The standing posture can help patients to reach...

Baiyun Hydropower Station is located in Chengbu County, Hunan Province, which is 5km from the county town. By combining the analysis of monitoring data of leakage amount of above-mentioned dam and the numerical calculation results, it is concluded that, there are serious leakage at the lower face of...

Despite economic and legal measures that have been taken by the state in recent years, effective regulation of many economic processes is at the stage of formation. Absence of adequate economic policy and creation of balanced legislation regulating these processes impedes sustainable economic development...

Bangkalan zalacca has a slightly sour and flat taste so it should be processed into zalacca chips. The problems that have arisen so far in the chips industry are crispness and packaging of chips that do not last long. For this reason, this study carried out research on the use of different types of packaging....

The purpose of this study was to determine the effect of heavy metal mercury (Hg) concentration on the growth rate of Pilsbryoconcha spp mussels and to compare the growth rates of Pilsbryoconcha spp mussels exposed to mercury at different concentrations. The type of research used is quantitative research...

Breast milk is the perfect food for babies in early life because it contains many antibodies for the baby’s immunity and can prevent diarrhea that will cause infants’ and toddlers’ death. Many postpartum mothers complain that their milk does not come out, so that they cannot provide adequate milk coverage...

At the end of March, Indonesia was shaken by a plague that attacks the respiratory system resulting in death. The virus is known as Covid-19 from Wuhan, China. Until May, cases of the spread of Covid-19 have increased in Indonesia with a mortality rate of 6.61%. Some areas have been identified as red...

The purpose of this study was to determine the effect of biochar application in growing media on the development of the roots of Falcataria moluccanna seedlings. Biochar from the waste of meranti wood (Shorea sp.) was produced by a slow pyrolysis process using a traditional kiln at a temperature of 600°C....

The value of Green Open Space is often overlooked or underestimated by policymakers, leaders and developers including animal slaughterhouse industry developers. One of the biggest environmental concerns associated with slaughterhouses is wastewater, water contamination, and air pollution. Therefore,...

The Covid-19 pandemic has resulted in not only health crisis but also economic shocks. It is essential to develop flexible economic models which evaluate the impact of pandemics on different economic sectors. Such assessments are fundamental to inform and to tailor the responses of governments and stakeholders...

Artificial intelligence is rapidly changing the face of removable partial denture design by offering results to some of the most patient challenges facing RPD design individual variability, and inconsistent educational issues. Traditional RPD planning relies intensively on clinical judgment that constantly...

This study evaluates evacuation efficiency under four scenarios in AnyLogic, combining phototaxis, original path, and evacuation sign exits. Results show that the configuration with all three 2-meter-wide exits enables the fastest evacuation—90% in 39 seconds and 100% in 55 seconds. Scenarios missing...

Against the backdrop of the dual carbon strategy, low-carbon transition in Liaoning Province is highly urgent. From the perspective of industrial heterogeneity, this study divides Liaoning’s industries into high energy-intensive and high-emission sectors and low energy-intensive and low-carbon sectors....

Object detection uses computer vision technique to identify and locate objects in an image or video. This feature can help to improve the security level as it can be deployed to detect a dangerous weapon with object detection methods. Driven by the success of deep learning methods, this study aims to...

At present, the traditional construction industry is gradually transitioning towards intelligence, informatization, and greening. The intelligent construction technology based on Building Information Modeling (BIM) continues to penetrate into various stages of the construction life cycle, effectively...

Extreme temperature cycles critically threaten electrical insulating materials through thermal stress, oxidation, hydrolysis, and multi-field coupling effects, accelerating degradation via microcrack propagation and interface damage. While standardized tests (e.g., IEC 60216) assess thermal aging, they...

There are a wide range of expansive rock and soil along the central Yunnan diversion tunnel project. In this paper, the expansive rock collected from Bendanshan tunnel of Dali II member was studied through third-party detection and laboratory experiments. Macro and micro characteristics, mineral composition,...

Ketapang Crossing Port is one of the strategic commercial crossing ports, connecting the islands of Java and the island of Bali. As a crossing transportation service provider, as an operator of crossing transportation services, PT ASDP Indonesia Ferry (Persero) Ketapang Branch continues to strive to...

Semiconductor materials have special conductive properties and are widely used in integrated circuits, transistors, optoelectronic devices and other fields. GaN, as one of its representative materials, has made significant progress in material growth and process preparation at present. However, the trap...

PageRank algorithm is improved by MapReduce programming model thought based on research and study of PageRank algorithm. MapReduce-based PageRank algorithm run distributed parallel in Hadoop cloud compu-ting platform environments, thereby improving the efficiency of PageRank. The experimental results...

In terms of domestic, road surface is divided into cement concrete and pavement of asphalt concrete. Asphalt concrete pavement has the characteristics of fast repair, low noise. So is a good use of asphalt pavement quality of road, but if you want to play to the performance of the asphalt surface, should...

For solving the shortages of the existing methods of data exchange among the various enterprise information systems, in this paper, the XML documents were used as the carrier of structured data to design and implement a new type of data interface based on Donimo application system. By using FTP service...

3D printing technology is a rapid prototyping technology, which can construct objects by the means of cutting and printing layer by layer based on the digital model files created by 3D modeling software. Starting from the literature research, this paper introduces the research background, teaching advantages...

For the sake of providing scientific the theoretical basis for keeping the water temperature in the bathtub .we established the time-varying model of water temperature in the bathtub..By using finite difference method, the solution of the gained difference equations was given and simulated by computer....

Power transmission network depends on various sensors to obtain the real-time status of the network, due to the huge number of sensors and random distribution, direct access to the network will bring huge waste of bandwidth resources, and in the process of communication, the key data of the power transmission...

This paper introduces the overall architecture of coal mine intelligent monitoring system. Focusing on two key issues of intelligent control and ZigBee wireless sensor networks were studied. Coal mine intelligent monitoring system can be used to monitor the concentration of carbon monoxide, carbon dioxide...