Advances in Engineering Research

ECG signal, a kind of internal characteristics of the human body, which reflects the electrical activity of the heart, has multiple excellent features such as difficult to duplicate, hard to forge, unique, stable and so on. In this paper, the identification of ECG signal is studied based on the theory...

Based on the tensile and compression experiments of the materials of brake disk and friction plate of disk brake, the elastic modulus and Poisson's ratio of brake disk and friction plate were measured respectively. In order to analyze the temperature and stress fields of brake disk and friction plate,...

In this paper, a new splitting iterative method is discussed for solving fuzzy linear systems of equations, where the coefficient matrix is crisp and the right-hand side is fuzzy vector. The convergence theorem is provided with numerical examples to illustrate the method.

Jilin Province has inherent advantages in straw resources. Analysis of development potential a can help to realize the current situation of resource exploitation. The paper analyzes the development potential of the crop straw in Jilin Province. And then, it studies the direct economic effect and environmental...

Here, the nanodiamonds modified by different amounts of silane coupling agent were dispersed into the polymethyl methacrylate (PMMA) prepolymer. The PMMA/nanodiamond composite material was then synthesized by a room-temperature curing reaction. The dispersity of the nanodiamond in the composite materials...

In this paper, we conduct research on the data mining and pattern recognition algorithms and the applications on information security engineering. The complete solution for network security firewall defense should have not only, should also be real-time monitoring to the network as can find intrusion...

Collaborative efforts are inevitably demanded when solving a complex problem, which is often plagued with incomplete, ill-structured, and poor quality information. Therefore, a global knowledge modeling framework is required for cross-domain knowledge coordination. However, current knowledge modeling...

In this paper, CoCrAlY coating was prepared on the substrate, Ni-based super alloy (GH4169), using Air Plasma Spray (APS). After deposition, the coating was irradiated by High Current Pulse Electron Beam (HCPEB) with different number of pulse beam. Then the micro-structure of coating surface, like the...

For the development of modern information technology, take the advanced concepts and new technologies, new methods of foreign maintenance aspects as lessons, adopt a network-centric technology to build SOA-based network maintenance intelligent decision technology. This paper introduces network maintenance...

200 nm-thick Ni80Fe20 films were deposited on anodic aluminium oxide (AAO) and SiO2/Si(100) substrates at 300 K by a magnetron sputtering system with the oblique target. The film grown on the AAO substrate has a network structure while that deposited on the SiO2/Si(100) substrate is continuous. The network...

Utilization of PM10 concentrations and meteorological data of Ningdong Base, the PM10 concentration is predicted based on LS-SVR, BP-ANN and traditional MLR models. The results show that the LS-SVR model can better describe the nonlinear dependence between PM10 concentration and meteorological factors,...

Fruit fly optimization algorithm is a new swarm intelligent algorithm proposed in recent years and has been concerned for its few parameters and high computational efficiency. However, the application of the algorithm is limited for unstable optimization capability. To solve that question, an improved...

In this paper, the influence of crack of the big physical volume concrete, types of cracks, cracks reasons were comprehensive analysis, expounds the key elements of large volume concrete configuration, construction and maintenance and other aspects of the, proposed to reduce and control of crack of the...

To facilitate bridge managers to monitor real time bridge safety level and then conduct in-time handling and reporting, this study utilized real time bridge deflection data from MCU and informational circumstance of a combination of mobile terminals and computers to establish a database of basic bridge...

In the increasingly fierce modern electronic warfare, it is crucial to hide the relevant parameters of the radar signal itself. In this paper, the background and significance of radar signal design are described. The development and current status of radar signal design are studied. The design status...

This study aims to describe the profile of argumentation research in science education and reveal the contributions of researchers from Indonesia based on the Scopus database education. It is used bibliometric analysis. Based on the visualization analysis of the research profile, “science education argumentation”...

With the growth of the number of automobiles, traffic safety problems are highlighted, and automatic driving technology becomes an important means of solution. Machine vision, as the key perception technology of automatic driving, acquires image data through vehicle-mounted cameras to provide a basis...

Teachers in the twenty-first century need to be ready to use technology to raise the bar for instruction and increase the quality of their own talents. Academic digitalization through the use of a Learning Management System (LMS) is one essential endeavor to improve the efficacy and efficiency of the...

This paper investigates the critical applications of Artificial Intelligence (AI) in the back-end design of digital integrated circuits, with a specific focus on logic synthesis, placement and routing, and clock tree synthesis (CTS). As the integration density of digital circuits increases and process...

A methodology is provided for solving the Navier-Stokes equations with certain assumptions applied to the flow of lubricant between the bearing liner of a sliding bearing and the shaft journal. A plane problem of velocity distribution of oil particles filling the space between the shaft journal of a...

Concrete filled steel tube (CFST) and steel castellated beam are ideal components in the structure. However the research about the connection of them is less at present. In order to analyze the working mechanism of outer annular-stiffener type steel castellated beam-concrete filled steel tube (OATSCB-CFST)...

In order to study the influence of different knife rollers rotation modes for the wind field inside the diversion cover of the sugarcane leaf cutting and returning to field machine equipped with flexible cutters, the ALE method of finite element software LS-DYNA was applied to operate the simulation...

Air hammers, also called Down-The-Hole hammers, are previously applied in mining industry, civil engineering, hydrology well drilling and have long been considered an effective approach to improve the rate of penetration (ROP) especially in hard formations. The development of air hammers suitable for...

Nansha is located in Guangzhou and is planned as the China(Guangdong) Pilot Free Trade Zone after Dec.2014, the electricity demand is believed to increase and exceed the capacity of the existing three thermal power plants in the near future. With the purpose of achieving a better energy structure and...

With the development of Internet, more and more importance is being laid to the threats in cyberspace, which may have a profound effect on sustainable development of cyberspace. This paper aims at establishing a new concept of sustainability in cyberspace. Firstly, traditional sustainability was reviewed....

Decanter cake (DC) is one of the oil palm mill solid wastes that contains macro and micronutrient elements especially high Nitrogen levels. Using it as organic fertilizer could substitute half of the chemical fertilizer dose. The alternative decrease in chemical fertilizers requires nutrients from organic...

Yogyakarta City has a high population density and is classified as a large city. During its development, the increase in population led to the development of a city that expanded beyond administrative boundaries. In addition, differences and concentrations of economic activities in Yogyakarta City indicate...

With the development of Chinese economy and society and the acceleration of the urbanization process, the demand of centralized heating is increasing day by day. On the other hand the traditional coal-fired heating method is not only inefficient, but also exacerbates the environmental pollution. Therefore,...

This study used the Statistical Downscaling Model (SDSM) to project climate change patterns, focusing on mean annual, seasonal, and monthly precipitation under two Representative Concentration Pathway scenarios: RCP4.5, representing moderate emissions, and RCP8.5, reflecting high emissions. The predictions...

Coaxial self-vibration and variable-frequency centrifuge of tube and mould for new type well pipe is composed of variable-frequency control system, hydraulic system, pressure device, self-vibration wheel, tube and mould, hydraulic supporting and protection device, transmission device and motor etc. Transmission...

Solar thermal power generation has a bright future globally. This paper describes the main forms and characteristics of solar thermal power generation, introduces the application of solar energy at home and abroad, analyzes its development trends, and puts forward suggestions for improvement and the...

This paper mainly analyzes scheduling business of the logistics distribution center, and according to the scheduling business workflow abstracts several kinds of agents, and clears their responsibilities. Based on the distributed multi-agent architecture, the logical architecture of the three-layer logistics...

The secondary internal force caused by temperature in statically indeterminate bridges are usually huge, sometime is the control factor in bridge design. Since the temperature investigation of bridge construction site is difficult to predict, there deviation between design joining temperature and actual...

With the increasing development of requirements and frequent changes in business needs, the total costs of visual analysis systems for commercial applications increase continuously in recent years. To develop a visual analysis systems, the developers are required to have academic background knowledge...

One-step dip-coating process was employed to fabricate transparent superhydrophobic coating on the glass surface by using the mixture of silica nanopartilces and hexadecyltrimethoxysilane in anhydrous ethanol using triethylamine as hydrolysis catalyst. The water contact angle and optical transmittance...

With the development of economy and expansion of cities in China, land resource for construction is becoming scarce. Some important infrastructures, such as airports are located in mountainous areas where the engineering geological conditions are complicated. Due to the limitations of natural conditions...

The research on optimization methods to complex systems is an important issue in both theoretical and practical significance. For this reason, an improved complex system optimization method is proposed which hybridized the structure-based neural networks with the orthogonal genetic algorithm. Experimental...

In the modern electric power system,power systems expand day by day in China.More and more large capacity generators with fast control excitation systems are put into operation.Along with the introduction of the competition mechanism by power marketing,the possibility of operating at the edge of stability...

In this paper, we mainly study on modeling formulation for railway network blocking problem. We propose model formulation for RBP. The objective function of RBP model is to minimize the costs of flow traveling and delay for the train in marshalling station, by deciding which block is built and specifying...

The article considers the issue revealing the impact of slow-acting nitrogen fertilizers on the formation of leaf area and winter wheat productivity. A number of research was conducted in 2014-2017 in the forest-steppe zone of the Tyumen region, on leached chernozem, a predecessor is pure steam. In the...

The possibility of using an auxiliary ellipsoid to reduce the results of geodetic measurements with the aim of transferring coordinates to the surface of the reference ellipsoid is considered. An analysis of the accuracy showed that such a technique would reduce the effect of steep line dodging

Loading releasable biocide is a conventional method to mitigate membrane biofouling, but its application is always limited by short lifetime as a result of biocide releasing. In this study, an anti-biofouling membrane was fabricated by introducing copper nanoparticle/carbon nanotubes on ceramic substrate....

With the increasing global demand for environmental protection and sustainable development, the concept of green building has received widespread attention in the construction industry. As an important form of green building, assembled building is regarded as a key path for the transformation of the...

In the present work, hot compression tests of AZ80+Ce alloy as-casted were carried out on a Gleeble-3500 thermo-mechanical simulator in temperatures range of 325 – 400 at intervals 25 , at strain rates of 0.01, 0.1, 1 and 10 s-1, respectively. The tests data at true strains of 0.1, 0.2, 0.3 and 0.4 were...

The wharf is an important part of the national security system and economic development. The caisson gravity wharf is one of the main structural forms of the wharf in China. The security threat analysis of the system is of great significance to the safe and efficient operation of the wharf. Based on...

After a comprehensive analysis of the characteristics of slope anchor structure, a mature reliability theory model in durable life prediction field is applied to predict the life of this structure, and support vector machine method is used to solve the probability density estimation for predicting factors...

Basing on the heat transfer theory, the process of Q235 I-beam steel which is chosen to be studied could be done after rolling cooling control analysis. Given the practical manufacturing conditions, the finite element theory and its temperature field can be built to control the cooling process of I-beam...

The dynamics of a heavy nonhomogeneous ellipsoid of rotation on a horizontal fixed plane with friction is analysed. It is assumed that the mass centre of the spheroid coincides with its geometric center and that the geometric axis of symmetry is the axis of dynamic symmetry. The frictional force is proportional...

This paper analyzes heavy metal content in the soil of abandoned tailings and dominant plants, and absorption and bioconcentration capability as well as cumulative characteristics of the four kinds of dominant plants such as Phragmites australis, Typha angustifolia, Miscanthus sinensis, Equisetum fluviatile...

The collapse of China Aviation Oil (Singapore), which has aroused huge attention and consideration on the effective implement of internal control in energy enterprises, warn us that the internal system, lacking the balance of power, will inevitably be an empty talk. This study, based on a series of reality...

With the application of Geographic Information Systems (GIS) and Exploratory Spatial Data Analysis (ESDA) techniques, twelve criteria indicating the county economic strength of Inner Mongolia are selected to evaluate an analysis and discussed its causes on the spatial disparity. In order to make the...

With the development of modern industry and communications industry, a variety of metal wires are used more and more. At the same time, the number of cables required waste recycling is also increasing and the environment pollution has become more serious. Currently, cable for waste recycling technology...

First, we conduct the research on the mechanical mechanism of smoke control system to form a continuous water curtain and analysis the mechanical model of continuous water curtain and micro-unit; then simulate the continuous water curtain's shape of smoke prevention system by using Fluent software and...

Based on the temperature data of a post-tensioned continuous concrete box-girder bridge monitoring during concrete hydration, numerical analysis of the temperature in the different positions of the concrete box girder section was systemically carried out to extract the max temperature difference. A numerical...

Waterproof construction is a comprehensive, practical, strong engineering, it relates to a waterproof material, waterproof engineering design, construction technology, building materials management and other parties, use function of building engineering plays a vital role. No seepage leakage, to ensure...

This paper takes soybean milk machine as an example. Nowadays, soybean milk machines on the market all adapt rotational flow to cut the beans and electric heating tube to heat. Whether they have filter nets or not or the beans are dry or wet is not the main factor to classify soybean milk machines. Instead,...

In order to make clear the priority of land consolidation, improve the use efficiency of land consolidation funds, and promote the better land consolidation work. Based on the investigation and summary of the current problems in land consolidation, according to the characteristics of land use in Yunnan...

In the era of big data, educational decision-making, educational policy, educational concept, educational scientific research paradigm and cultivation of school core competence are all impacted, and the importance of educational big data is becoming more and more important. The big data is applied in...

In order to effectively overcome the original evaluation method of subjectivity, the complexity of equipment maintenance, the uncertainty problem, based on the analysis of existing evaluation method, construct the evaluation index system of equipment maintenance support capability, illustrates the basic...

To investigate the detection of extended-spectrum -lactamases (ESBLs) -based Escherichia coli and their associated risk factors in urinary tract infection in patients with urinary tract infection. Methods The clinical data of 169 patients with escherichia coli infection and ESBLs were analyzed retrospectively....

To improve the innovative design system of Chinese furniture constantly, the article introduced advanced foreign theory of the solution of inventive problems (TRIZ), and discussed the feasibility and the main way to apply the theory to the innovative design of furniture, which provide a theoretical basis...

In this paper, a new frequency control strategy is proposed for islanded microgrid. Due to characteristics of islanded microgrid, the load variation and the new energy disturbance can be predicted by the ultra-short-term prediction. By using feedforward control method, the load disturbance can be roughly...

The parasitic bipolar conduction in CMOS source-well-drain structure triggered under heavy ion irradiation will cause wider pulse width. The source, commonly though the emitter, will inject charge to the well, so that the drain has to collect additional charge and create a wider pulse. However, in our...

The emphasis on this paper is mainly on the empirical study of market share and marketing strategy based on Markov chain model. Firstly, we review basic theory of Markov chain model. Secondly, two examples are cited to analyze the market share and marketing strategy, and MATLAB 7.0 is used to calculate...

Methods to analysis the DOF(degree of freedom) and singularity of pure serial and pure parallel manipulator, which cannot be used to the hybrid manipulator directly, three type of practical topological units and one type of virtual topological unit adopted, Synthesis method of topological dimensionality...

To avoid waste of water resources by existing irrigation devices, a seedbed water-saving irrigation device is designed, to substantively save irrigation water, realize automatic irrigation and save labor cost. Visual Basic and SolidWorks redevelopment technologies are used to develop a design system...

Image processing is an essential principle that is increasingly being applied in innumerable applications to optimize abundant design complexities to modified version by implementing the hardware platform to practice the algorithms. This is especially for the practice of a real-time system that performing...

Pipes have an important role in industries that support fluid or gas distribution. Therefore, it is necessary to periodically monitor the condition of the pipe, especially if what is flowed can be flammable or dangerous if it comes out of the pipe. Leaks in the pipe need to be avoided. In the era of...

Cloud computing is a promising platform for various applications and use cases, providing organizations with cost-effective, scalable, and flexible computing resources to support their needs. Therefore, businesses, research institutions, and educational organizations drive the adoption of cloud computing....

With the deepening reform and expanding college enrollment in China's higher education system, the traditional experimental teaching has been unable to meet the needs of today's higher education development. Based on the original network engineering laboratory, based on the introduction of virtual simulation...

This paper elaborates the connotation as well as characteristics of self-directed learning, which applies it to nursing clinical teaching. The experiment shows that this learning method excels over others in terms of improving learning interest, initiative, expression skill, team-work spirit, communication...

To study the response speed of the hydraulic pressure of hydraulic brake system, a hydraulic unit was taken as an example, and the structural principle of the key components was analyzed. Then the model of the hydraulic unit was established by AMESim for simulation and analysis, and variable-controlling...

This paper summarizes the main findings regarding rural household energy consumption from 5130 households covering 171 counties in Hebei province. The results of the survey document behaviors of rural residents: the most commonly used fuel for heating is coal product (including honeycomb briquette and...

The volcanic rocksdistributed in Pingzhuang-Machang basin of Jianping countryshould belongs to YixianFormation,thevolcanism may be divided into two subcycles.The volcanic rocks mainly consists of rhyolites,trachyte and trachyandesites. The geochemical characteristicsindicate that the volcanic rocks belong...

Nitrogen-doped carbon nanofibers (NCNFs) was synthesized by simple electrospinning, followed by the thermal treatment using urea as nitrogen source. The morphology and microstructure of CNFs were characterized by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The results...

This paper has quantitatively predicted the groundwater level variation in Baoding City based on BP neural network model, regression analysis model, time series model, and Markov model. It can be concluded that the prediction accuracy of BP neural network model and time series model is the highest, and...

A force feedback model of steering wheel was established based on mechanical analysis of the vehicle steering system. Taking driver’s preference for steering torque into consideration, a correction coefficient was introduced to this model, and a method for determining the coefficient was also put forward....

When the pipeline bursts and leaks, the make-up pumps will turn on to supple the network with water. Due to the outdoor heating network is a closed cycle, and equipped with the make-up water pumps, the hot water will leak continually under a constant pressure at the leak point, which causes thermal waste....

With the increasing development of science and technology, for a university, the proportion of science research activities and research capacities is increasing gradually in assessing its overall strength. By means of information technology for managing the daily research work, integrating scientific...

Transportation has a rapid development with the stimulus of electronic commerce. As the internet economic hold dominant position, freight characterized by mass high added value, strong timeliness demand has been in strong demand. The world railway transportation presents the trend of logistics. Based...

This paper presents all the rock mechanics studies carried out at UCIL-Tummalapalle mine, Andhra Pradesh. The rock mechanics investigations in this mine includes, optimization of pillar dimensions by numerical modeling, feasibility of hangwall lode mining at shallow depth, support design for deeper levels,...

By employing the physical simulation experiment and theoretical analysis, this paper aims to study the effect of mining height and the first sub critical layer on the evolution law of mining-induced fractures. The mining-induced fracture density, fissure characteristics, height of broken fractures, height...

In order to analyze the seismic performance of the hexagonal-hole variable cross-section honeycomb beam portal frame, the finite element analysis software ABAQUS is used to analyze the seismic behavior of the portal frame with the same span, same beam-to-column distance, hole number, opening ratio is...

Reheat system of PWR nuclear power unit in use of steam reheat method.Heat recovery system and reheat steam system of PWR nuclear power units with strong coupling, so the impact of changes in heat recovery steam extraction pressure loss of nuclear power plants is more complex than thermal power.According...

On the basis of analyzing some defectiveness in motor current monitoring of current radar servo system of ship-borne, design was proposed to monitoring motor current base on LabVIEW and PCI-1712 data acquisition card. The feature and driver function of DA data acquisition card are explained in detail...

The buttress-warehouse retaining wall is the combination of buttress retaining wall and warehouse retaining wall. In this paper, with different widths of buttress, the wall's soil pressure and deformation characteristics have been discussed in geotechnical centrifuge model experiment. The results show...

In order to analyze the dynamics of the gear transmission more efficiently, this paper builds a three-dimensional modeling software Creo, finite element software Hypermesh and dynamics simulation software based on MFBD (Multi-Flexible-Body Dynamics) technology. RecurDyn established a multi-flexible body...

One promising source of renewable energy is wind energy. Wind energy is an abundant source of renewable energy to produce clean energy. A wind turbine is a device used to convert wind energy into kinetic energy. The average wind speed is 3m/s to 7m/s in Indonesia, classified as low wind speed. Savonius...

This article offers a comprehensive exploration of the design principles underlying wireless power transmission systems, with a particular focus on the intricate dynamics of coil design and their profound influence on energy transmission efficiency. It traverses the landscape of modern technological...

This research examined the mechanical characteristics and failure patterns of ultra-high performance concrete (UHPC) pipe through trilateral loading test and numerical simulation. The test results provided critical data, including crack load, failure load, and load-displacement curves. The findings indicate...

The tool pin profile on Friction Stir Welding (FSW) has great influence toward the result of welding. The tool pin profile is one of the vital factors influencing the result of welding such as the microstructure and the mechanic characteristic on the joint of Weld Nugget (WN). This study aims to analyze...

ECG, a kind of identity information in human identification, can be easily affected by detector's movement and the change of mood. Traditional ECG feature extraction methods require a lot of calculation which increases the computation time in the process of identification. In this paper, we mainly discuss...

In order to investigate the effect of ultra-fine smash on the separation results of Shenfu semi-coke, the impact crusher was used to explore the relation between the degree of dissociation and the particle size and ash content. Additionally, the operating parameters of separation device of impact crusher...

We adopt cellular automata, a kind of complex system modeling method which achieves macro-emergence through local transition rules, to build a diffusion model. We realize parallel computation of the model with MATLAB's matrix processing and develop a GUI for model running. Through adjusting the diffusion...

With the development of the transmission line, it is more and more important to analyze the unbalanced tension of the tower. The non-contact method of measuring the insulator deflection angle uses image processing techniques, and the experimental results show that this method has better recognition speed...

In order to investigate the stocking decision for a two-echelon inventory system of non-repairable spare parts with multiple demand distributions, we present a universal model to calculate non-repairable spare parts fill rate. Because of the diversity of non-repairable spare parts, the assumption of...

Thanks to wide area measurement system, the introduction of the whole electrical power system information into wide area backup protection methods has made up the severe deficiency that some incorrect judgments made by traditional backup protective devices when the transmission line overload occurs are...

In the energy and petrochemical industry, the use of the flare to burning VOCs is a conventional approach for port energy storage tanks. This paper briefly introduces the main process of flare system, elaborated with emphasis the water seal liquid tank design. In the water seal liquid tank design combined...

Focus on the key feature extraction and selection of facial expression recognition, this paper firstly extracts the global Gabor features and facial key expression as local features. Then centering, rotating and scaling every feature block with Procrustes analysis to reduce the effect of position and...

The parameters calculation, meshing surface and 3 D models construction of planar double-enveloping toroid worm pair are efforts consuming because of complexity of the envelope motion. A parameter driven modeling method of this worm pair has been proposed, the parameters calculation, meshing surface...