Advances in Engineering Research

This project mainly aims at the students which is convenient, simple and easy to carry. In addition, it basically has no harm to our ears, and we will not feel dis-comfortable after using for a long time, it is suitable for games, movies, music, voice and so on. We can also carry it to other places and...

Based on investigation data on Pb in bottom waters in 1985, we analyzed the content, pollution and horizontal distribution of Pb in bottom waters in the bay mouth of Jiaozhou Bay, eastern China. Results showed that Pb contents were 8.57-36.35 g L-1, and were confirmed with Grade III to IV in according...

Detecting Detecting the boundary of each cluster in a data set is a tough problem for many existed boundary detecting algorithms. In order to solve that problem, a clustering boundary detecting algorithm based on DBSCAN named BDAEC(Boundary Detecting Algorithm for Each Cluster based on DBSCAN: BDAEC)...

With the development of fuzzy and neural network theory, the role both play in engineering applications is also growing, but both their disadvantages are also gradually revealed. The neural network has a strong ability to learn, but it is a typical "black box" model, the knowledge acquired in connection...

For multi-target tracking and warning, cloud computing provides virtualization physical resource of cloud services, according to a single target exists in the process of drawing the boundary of the vertex and inconsistent problem, the service bus ESB using SmartGWT technology, automatic find infrastructure...

In order to characterizing the binder distribution, Changed drying temperatures were used to alter binder distribution in coating drying process, which was used to investigate into the effect of drying condition on the binder distribution and characterize the binder migration in the method of numerical...

Eggs in the standard method for rapid detection of veterinary drug residue has not been formed, therefore, it is necessary to explore a rapid, highly effective, the total amount and qualitative method of rapid detection of antibiotic residues in eggs. Many different kinds of veterinary drugs on the market,...

genetic algorithm is a common method for solving combinatorial optimization problems and the selection of crossover operators in genetic algorithm will directly affect the performance of the algorithm. In this paper, we compare the performance of three crossover operators, partially mapped crossover...

The current design specifications ignore the influence of cut-off walls on foundation pit de-watering design, the calculation formula of water inflow and the predictor formula of drawdown for enclosed cut-off walls insert into impermeable layer and enclosed cut-off walls insert into aquifer layer are...

TPS (Taiwan Photon Source) is a 3rd generation synchrotron light source, which is aimed to provide high brightness beam source for various novel scientific researches. Beginning from the start of 2016, to improve the beam orbit stability, fast orbit feedback system (FOFB) is installed and tested to eliminate...

In order to ensure shipboard medium voltage power system work successfully. In this paper, the existence of intermittent grounding fault of the shipboard power system is analyzed and studied. Meanwhile, A simulation model of shipboard medium voltage power system with multiple branches is built on MATLAB/SIMULINK,...

The working compound electrical loads are characterized by a large number of harmonics. It may pull down the voltage of the power supply network and influence the other electrical devices. Therefore, a control method of dynamic filter for the composite power load was developed. In this paper, a controller...

Discipline is a carrier of the scientific research and personnel training, and the discipline level is an important indicator to measure the level and the overall strength of universities. In this paper, the practical problem of discipline evaluation in universities is studied. Concretely, a index system...

As an important measure to implement the strategy of “The Belt and Road”, "Zhengzhou-Europe block trains" has been developing rapidly since its birth in 2013. No matter in the frequency, number, freight volume, or the scope of cargo sources, they rank first in the class of China Railway Express. This...

Coastal dynamic of North Java sea was the influence of the west and east monsoon as well as interseasonal effect during April-June and October-December. Espescialy to coastal current patern and to nitrate and phosphate variation and ultimately to phytoplankton. Study area focused at 110°52'03.72''E...

The hydraulic overload protection system is widely utilized with the advantages of high precision control, suitable for multi-point press and automatic reset. The stiffness of the hydraulic pad is a key factor affecting the corresponding performance. In contrast, the stiffness value of the hydraulic...

Numerical simulation is of great importance as implementation guides of polymer flooding projects. The history matching process is one of the main tasks of numerical simulation. However, there are still significant difficulties remaining in the history matching process of polymer flooding simulation...

In long-term slow ground deformation monitoring, conventional InSAR technology is affected by factors of temporal decoherence, spatial decoherence and atmospheric effects. In order to overcome these limitations, this paper uses two InSAR time series analysis of permanent scatters and small baseline subset...

Duffing chaotic oscillator shows good detection and communication effect since it is sensitive to initial condition and has good resistance to noise. This paper presents an effective method for the digital hardware realization of Duffing chaotic oscillator on FPGA by using the Verilog HDL hardware description...

This article deals with the issues of school choices in fund distribution. First of all, through comparing two data sets of candidate schools and non-candidate schools, we employ different degree comparison, discrete data statistics and other methods to find out the indicators which has exerted an influence...

Nano-iron and copper oxides loaded weakly basic resin D301 was investigated for the removal of glyphosate from aqueous solution. The characteristics of the resin before and after surfactant-modification were examined using scanning electron microscopy and Fourier transform infrared spectroscopy. The...

The use of motorbikes is increasing daily, making these products common on the streets. This is for some people to be boredom. It prompted some riders to modify their motorbikes to make it look different. The exhaust cover is one of the most visible parts of the motorbike. This can provide significant...

This paper focuses on a fast fractal coding algorithm based on k-means clustering. First of all, the variance method is employed to divide the sub-blocks into simple sub-blocks and complex sub-blocks; then, the k-means clustering algorithm is applied to classify the complex sub-blocks and father blocks,...

The steam temperature dynamics was researched under the simulation system of 1000MW double reheat ultra-supercritical unit, the steam temperature response curves under various disturbances were obtained. The transfer function model of the main steam temperature, the first reheat steam temperature and...

Purple soil is one of important agricultural soils in China. However, widespread soil acidification and soil fertility decline have limited the sustainable use of the purple soil in recent decades. Biochar, derived from agricultural waste such as rice husk, shows great potential for controlling soil...

Highway is one of main ways for alien invasive plant dispersal, and the influences of highway on invasive species are more and more concerned by the road ecologists. However, understanding diffusion pattern and invasive mechanism of alien species is the precondition of effective control of their invasion....

A nano ZnO/polyaniline composites was obtained in situ polymerization of polyaniline nano zinc oxide surface, using ammonium persulfates as the oxidant, through a silane coupling agent KH550. And the secondary Doped Nanometer ZnO/polyaniline was obtained using HCl, phosphoric acid and sulfosalicylic...

Limestone Wet flue gas desulfurization(WFGD) technology with high efficiency is being applied most widely for control technology of SO2 all over the word. It is widely used in coal-fired power plants, which will produce wastewater containing high salt and heavy metals. Currently, the desulfurization...

The key to prevent coal mine water disaster is finding out the "three elements" which is separately named source, channel and strength. Only by figuring out the "three elements", can the coal mine water-disaster prevention and control work achieve its target. Through analyzing the inrush source, influence...

The non-contact 3D surface measurement theory and CAD technology integration, the reverse engineering means can be three-dimensional entity model accurately obtain irregular products. Application of reverse engineering method to establish CAD model and suitable to finite element analysis, the shape and...

It’s the consistency, safety and sustainability of public policy that to some extent determines the effectiveness of policy implementation. This paper focuses on whether we can use formal verification methods to verify the policy implementation consistent with their objectives. Based on a number of policy...

Reviewed the summary and classification of PV mounting system for solar power station. Analyzed the advantages and disadvantages of the optimum tilt angle of fixed, the horizontal single-axis tracking type, the diagonal single axis tracking type and the dual axis tracking type mounting system for solar...

The design and quality assessment of the pervious concrete mixtures based on its structural and functional performance are greatly influenced by the microstructural properties of the internal pore structure. The main objective of this study is to investigate the internal pore structure properties of...

The wave force analysis of jacket platform is hard in the design. PIPE59 element in ANSYS software has the function of computing buoyancy, wave and current load. By control the unit parameters, can simulate current load automatically. In the Water Table menu input eight direction wave flow parameters...

Image classification being widely applied to computer vision is an im-age processing method to distinguish the different category targets according to the different features reflected by the image information. BOW-SVM is a relative-ly typical image classification method with higher precision, however,...

For a class of robust problems of uncertain nonlinear singular systems, it has proposed a system robust control method research based on nonlinear programming in the paper, and the uncertainty robust stability analysis model of nonlinear singular systems has been gave. The robust stability of the system...

Based on statistical data of National Statistical Bureau of China, and giving the least-squares fitting of Chebyshev polynomial, the data of electricity consumption in per capita from 1983 to 2013 is analyzed by GM (1,1) method and Chebyshev polynomial least squares method respectively. The results showed...

For studying a three-dimensional vibrating screen based on the fluid-filled pipe, a vibration testing system based on hydraulic excitation was established. The pressure wave generated from the vibration exciter will stimulate the pipe network to vibrate. The elastic plate served as the vibrating screen...

During the investigation in powerhouse area in Kohala hydropower project, slaking is found in most of the argillaceous rock, whose integrity decreasing with time, and cause the rock strength decreases. During investigation, we performed longitudinal sonic wave velocity test, therefore the variation law...

User opinions on high-volume social media and various themes provide relevant information for sentiment analysis. This information can be collected and analyzed using a natural language processing with a monitoring system to support classification of criticism and hate speech. Regarding monitoring results,...

Antimicrobial resistance (AMR) is a serious threat to global public health. It causes the prevention and treatment of infectious diseases become more difficult, costly, and sometimes require toxic alternatives. One of the strategies to address this crisis is by developing new drugs formulation using...

The process of making Balinese arak used distillation of coconut palm through a process of heating and re-condensing the heated nira so that it becomes arak with alcohol content. Based on the results of the research the effect of fermentation time on alcohol content in coconut nira (Tuak), fermentation...

This paper presents the effect of different substrate materials and proof mass configurations through a simulation of a bimorph cantilever beam that consists of one-layer substrate material sandwiched between two layers of piezoelectric material (PZT-5A) to harvest the vibration energy. To evaluate the...

Methane, a strong greenhouse gas, is released when food and garden waste (FGW) are not disposed of in a structured and sustainable manner. The goal of this study is to assess the biogas potential with equal proportions of garden waste (GW) and three different food waste (FW) digested in mesophilic conditions...

Predictive maintenance (PdM) has emerged as a critical strategy in smart manufacturing systems, aiming to reduce unplanned downtime, extend equipment lifespan, and improve overall operational efficiency. This paper presents the implementation of an integrated predictive maintenance framework that leverages...

±1100kV Ultra-high Voltage DC Engineering will adopt JL1X/G2A-1520/125-481 large-section aluminum twisted line of steel core, 1520 mm2 large-section aluminum twisted line of steel core is of four-layer structure and has the same aluminum strand layers of 900 mm2 and 1000 mm2 large-section aluminum twisted...

Consolidation and drainage tests were carried out for undisturbed saturated soil with a buried depth of 70~100m in Fuyang region. Automatic triaxial apparatus was used for tests as it can provide big confining pressure, and solve the problem of seepage along side wall, which happens with varying water...

The acoustic transmission channel has a unique place in the information transfer in all spheres of life. The dominant position acoustic communication today keeps prsonálním process information transfer. Yet achievable intelligibility in classrooms, lecture halls and a congress does not pay close attention....

A kind of image segmentation method with two-dimensional cross entropy was proposed based on the artificial bee colony algorithm to overcome the large amount of calculation and long computing time. Firstly, the principle of two-dimensional cross entropy threshold segmentation was analyzed. Then, the...

Pulse coupled neural network (PCNN) has a difficult problem to determine the parameters, mainly based on artificial experience. We propose an automatic image segmentation method based on PCNN, which is combining with dynamic threshold and global threshold, reducing manual intervention, realizes the adaptive...

The starting point of this paper is the fulfillment of corporate social responsibility of listed tourism and commerce companies in China. This paper goes on to build a corporate sustainable development index system in terms of operating capacity, solvency capacity and development capacity; and uses empirical...

The earth pressure of the retaining wall is related to the displacement mode. The displacement mode determines the characteristics of the progressive failure forms. Based on the analysis of the possible displacement modes of the rigid retaining wall, the active yield characteristics and the progressive...

In this paper,according to the flue gas characteristics of glass melting furnace, combined with the existing glass melting furnace flue gas desulfurization and denitrification process.The analysis and discussion on the application of flue gas simultaneous desulfurization and denitrification technology...

The text explained the concept of environment, sports environment, and school sport environment, stated the components which constitute the school sport environment and school sport- environment’s impact on the sunny sport activities through the study way of document materials. The text also put up with...

Nowadays impact assessment of websites based on web metrics has been growing, and is leading a new trend in quantitative analysis. Based on prior efforts in laying theoretical foundations, this study examined 44 provincial party members and cadres’ modern distance education websites in China. In order...

For researching the relationship between prestressed reinforced concrete acoustic emissions (AE) signal and its damage evolution information, the paper studies AE signal parameter sequence fractal characteristics for destruction of whole process of prestressed reinforced concrete under different stress...

In order to make further explorations to the mechanism of underwater laser scribing, comparison of laser scribing in air and underwater under different power is conducted in this paper, at the same time simulation to melt splashing based on smooth particle dynamics is carried out. The results show that...

The article introduced the knowledge about how to select the hydraulic support type. Aiming at the characteristics of thin coal seam in Huang Ling No.1 Coal Mine, by the use of empirical estimation method and numerical modeling method, the hydraulic support with large mining height was studied and selected....

The vibration signal of rolling bearing is complex and nonstationary. In the process of fault diagnosis,if only describe the single fractal characteristics of signal,some certain conditions can’t be identified accurately. Therefore, this paper uses the multi-fractal dimension as the characteristic quantity,...

Every function of product comes from the demand of user.Designers can use UCD philosophy get more effective information and true requirements from users. This paper first discusses the characteristics of UCD, and why it should be used in design. After comparing Android devices and desktop computers,...

The nozzle is the key component to transform the fluid potential energy into kinetic energy. It is of great significance to the operation the fire protection system. A simple two-dimensional structure of the nozzle is developed. The outlet velocity of the nozzle model is calculated according to hydrodynamics...

This research aims to know the consumer preference of foods, based on the level of sweet potato substitution of raw material for food product, and to know the profit of this product. Product of sweet potato substitution to be analyzed this research are pizza, brownies, and bread. To collect the sample...

Taking Yushenfu mining coal area in northern Shaanxi as the research area, the geological structure of the whole coal-bearing strata was selected as the research object. In this paper, 80 structural models of overburden strata were constructed according to the main geological structure of the mining...

This page proposed an automatic henhouse light filling system which used microcomputer as main control unit. It can be achieved light up in the daytime through the photoconductive resistance induction light intensity is insufficient; illuminated lighting at night in a fixed time. The System to sense...

In light of complex topography in southern mountain area, a small chained deep-ploughing machine with crawler was developed. Its key part was a chained deep-ploughing device, whose service life could be impacted by vibration frequency as well as strength and rigidity of the material used. This paper...

The isolation system has made great progress in China. The installation of the isolation bearing is gradually mature. However, due to the design requirements, there is no case of large-scale isolation bearing construction in China. A terminal building in the history of China's isolation bearing for the...

Liquid crystal spatial light modulators are the core devices of the late-model beam deflection system, the slowly response speed is the key problem of the LCD engineering system. Based on the dynamic theory of liquid crystal, analyzing the relaxation properties and the factors influence the response...

With the development of computer technology and GPU technology, hardware and software technology has been greatly developed, but a single PC machine still cannot meet the real-time computing requirements of high-complexity scenes. In this paper, we propose a dynamic load balancing strategy based on PBT...

The growth of the human population and technology has led to a rapid increase in electrical energy consumption. Excess electrical energy would be detrimental to the provider, whereas providing less would be detrimental to the consumers. One method for reducing these losses is to forecast the amount of...

Based on the multi-agent theory, a multi-train tracking model is established. According to the train control system structure and the high-speed train tracking function requirements, the train agent, RBC agent and station agent functional models are defined, and a blackboard communication mechanism is...

It is shown that the developed forecast model, based on statistical analysis of the results of the lubricant oil and parameters of mechanical vibrations, allows with 95% confidence probability to predict a moment of the cutting gear breakdown and schedule a timely maintenance.

Cabin leakage is a common and serious accident when the ship is sailing. In order to prevent the accident from happening in the bud, the paper designs a sound and light alarm system. The electrode type water immersion sensor is used to combine the water leakage detection and alarm. When the ship is leaking,...

By establishing cylinder pressure vessel with a crack model, this paper presents the similarities and differences of semi-ellipse crack method and arbitrary method of 3-D fracture analysis based on finite element software ANSYS Workbench to explore the effect for the whole structure and single-crack...

Understanding the transfer process of Cr in marine bay is essential to pollution control and environmental remediation. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. This paper analyzed the transfer trends of Cr in surface and bottom waters in Jiaozhou Bay, and identified the...

A pairwise key establishment strategy based clusters for hierarchical wireless heterogeneous sensor networks (HWHSNs) is presented in this paper through investigating how heterogeneous sensor nodes enhance network performance. The HWHSNs have some sensor nodes that have greater power and transmission...

Silk/poly(lactic acid) (PLA) blend fabric as a new textile material must be subjected to heat setting treatment. Heat setting can increase the dimensional stability of the fabric, remove the wrinkle marks of the fabric formed in earlier processing, and fix the fabric width, but it also can cause the...

For the needs of developing mission planning system, all levels of mission planning system from home and abroad are studied and analyzed, such as the main functions and applications at the operating environment, ways of working, content, deployment and other ways. Finally, starting from the system development...

Based on the steady state heat and moisture transfer theory, according to the characteristics of climate in sever cold area; they analyzed the heat and moisture state of brick and paint decoration wall of residential buildings in Shenyang area. The main reason for its failure is that the brick wall dampness...

The existing linear structured light sensor system calibration process to the equipment requirement is high, the calibration process such complicated problems, this paper puts forward a simple calibration method. Use of the most commonly used transit system, back light reflection artificial materials,...

With the popularization and application of wireless networks, people are dependent on wireless networks is increasing, at the same time the security of wireless networks has become the focus of attention. In this paper, a wireless network security methods and technology were more in-depth study, since...

We present in this paper a forward modelling of the three dimensional off-resonance response of underground MRS used in advanced geological prediction of constructing tunnel. By considering and summarizing the off-resonance response in SNMR, we deduced the off-resonance response of underground MRS. Using...

In this paper, adopting the small scale model experimental method, made the test pile with half and whole cross-section, and through the homemade soil device to extract the undisturbed soil to carry out the load experiment. Observe the failure process of the soil around the pile body, at the same time,...

In recent years, much attention has been given in the literature to the development, analysis, and implementation of finite difference schemes for the numerical solution of hyperbolic equations, which can describe physical phenomenons of vibrating string, elastic film and three-dimensional elastomers....

This Essay has studied a glycolysis model and found two new exact solutions for this model, namely the group-invariant solution for the model obtained by applying the Lie group method, and the solitonicic solution for the model obtained by applying the hyperbolic function method.

Aiming at the problem that most of the face recognition algorithms can not overcome the complex conditions such as illumination, expression and occlusion, a face recognition algorithm based on Radon transform is proposed. In this algorithm, the face image is pre processed by using the normalized algorithm...

The emergence and development of BIM technology to improve the construction quality and construction efficiency , reduce the construction cost and contract dispute provides a technology platform. This article embarks from the technology diffusion of the Bass model, by 19 kinds of information technology...

Campus id is an important part of the "digital campus" construction and foundation engineering, for the "digital campus" provides a comprehensive data collection network platform. This article from the campus id function module, provide a platform for other management system, fund settlement and system...

The deformation and stability of retaining wall are greatly affected by the variation of backfill and the water level of the back wall. In this paper, the deformation and stability of retaining wall with different wall materials are analyzed by finite element simulation analysis. The results show that...

The paper suggests a technique to determine thermophysical properties of heat-resistant steels and alloys in machining. The method of sources serves the basis for the technique. Three heat sources are considered: primary chipping zone, contact area between a tool face and chipping, contact area between...

U shaped girder is a kind of low height bridge. The application of concrete U shaped girder is wide in highway and urban bridge. In general, it is composed of concrete and steel and compared with the mechanical analysis, little research has been carried on the inverse model of elastic modulus of U shaped...

In today's society, unmanned aerial vehicles are becoming increasingly mature and popularized with each passing day. Compared with other fixed-wing aircraft, helicopter-based aircraft and multi-rotor aircraft have emerged like bamboo shoots because it can vertically take off and land, be easy to manufacture,...

The present stage of innovative development of the country is characterized by considerable changes caused by the introduction of digital technologies into the economy and the social sphere. The measures aimed to improve the institutional conditions of business, production of innovative products taking...

The wireless energy transmission based on coupled inductor is a new type of power transmission technology, which can overcome many shortcomings of traditional power transmission methods. This technology can provide strong support for the further development of modern society and bring great convenience...

The design of ventilation and dust control system has become the important part of environmental projects to provide a safe and health working condition for workers. A computer aided design software was developed based on ventilation and dust control theory using Visual Basic to help engineers to design...

The data communication network is a system composed of data terminals, data transmission equipment, digital exchange equipment and digital communication lines distributed everywhere. The contents of the communication are binary coded letters, numbers, symbols, and digitized sound and image information....

Data security is one of the factors which evaluating airport service quality, starting with passenger verification and baggage management. QR Code technology security that is widely applied at this time is still considered lacking because of its characteristic that must be seen by the reader so that...

Welded steel structures must be inspected reliably, yet visual inspection often fails under uneven lighting due to glare, shadows, and low contrast. We present a mobile weld-defect detection system that couples CLAHE-based local contrast enhancement with a YOLOv8 detector for robust, real-time inference...

Abu Robocon is an annual international robot competition that involves students from Asia-Pacific countries. For ABU robocon 2023 held in Cambodia with the theme “casting flowers over Angkor Wat” a robot that can throw a ring onto a pole. The Abu Robot Indonesia (KRAI) 2023 contest is a robot contest...

Utilizing solar photovoltaic (PV) electricity and associated technologies to promote sustainable growth is becoming increasingly popular. When connecting PV systems to the grid, several issues need to be considered. Leakage current is one issue with Transformerless grid-connected photovoltaic systems....

Due to their abundance and environmental friendliness, Paederia foetida stem fiber (PFs) are an interesting material to develop as a substitute for glass fiber. The goal of this research is to provide a thorough understanding of the physical, chemical, and functional properties of PFs. The PFs were treated...