Advances in Engineering Research

In recent years, the method of parametric modeling has become an important direction of research in reverse engineering based on division of region, which is a more effective and accurate solution for surface reconstrution. This paper analyzed and compared many examples, summarized the influence of shape...

Nanostructured 8YSZ(6~8 wt.% Y2O3 partially stabilized zirconia) thermal barrier coatings(TBCs) have been proved which can improve the thermal conductivity and durability compare to conventional coatings. There are still concerns in the engineer and scientific community about the stability of nanostructured...

This research aims to explore how artificial intelligence can promote the development of new quality productivity in shipping. By reviewing relevant research and practical experience domestic and abroad, and using methods of literature analysis, case study and quantitative data analysis, this paper systematically...

Public interest and opinion can be changed by news. So, it is necessary to study the The dissemination of news. In this paper, an improved Small World network model is introduced to simulate the dissemination of information so that the characteristics of the dissemination of information can be figured...

An adaptive multiple model predictive control (MMPC) method for an uncertain input-constrained neutrally stable supply chains system with control-relevant switching is presented. By employing an input-to-state stabilising MPC as the multi-controller, switching adaptive MMPC is proposed for the system....

In order to precisely analyze the mechanical performance of chemical anchorage, a new method using cohesive zone model to simulate the bond layer between reinforcement and concrete interface has been put forward. The three-dimensional model of ABAQUS constructed was based on chemical anchorage. In this...

Accurate measurement of passengers’ walking speed is significant for evaluating and optimizing service level of the facilities in transfer stations. This paper studies the walking speeds of various transfer passengers on the upstairs of Beijing Haidian Huangzhuang Subway Station during evening peak hours...

As residential building is one of China's special commodities, its safety should be given top priority. However, there is no professional method for safety performance evaluation of residential buildings up to now. Based on a new safety influence factor evaluation index system for existing residential...

Industrial design is very important in human being history. This paper reviewed some special perceptions in its whole processing. And nowadays, many new researches and applications are being used in this field: digital design and manufacture, virtual methods, humanistic principles, etc. In future industrial...

This study investigates the relationship between firms’ political connections and corporate environmental social responsibility (CESR). Results indicate: (1) Private corporations are more likely to engage in CESR if their leaders are members of the “Two Meetings.” (2) Private corporations with greater...

It is of great practical value to study the risk assessment of debris flow in the earthquake zone for ensuring people's safety and constructing key projects. Taking six debris flows in the earthquake area as examples, this paper calculates the weight of each Impact factor by using the analytic hierarchy...

According to public governance theory, the paper chooses political tolerance, social security, economic management, social justice, public affairs as five aspects through factor analysis, total of 13 indexes , shaping a structured, operational and scientific government public management index system,...

The efficient and safe operation of lithium-ion battery packs is critical for applications such as electric vehicles, renewable energy storage, and portable electronics. This research presents a Modular Battery Management System (BMS) that combines active cell balancing, fault detection, and real-time...

The research status of wind turbine aerodynamic noise is summarized. Firstly, summarizes the generate cause of the wind turbine aerodynamic noise. Secondly, from the study of the theory, experimental studies and nu-merical calculation research of the wind turbine, and emphasizes explain the method appliance...

The region of interest (ROI) segmentation of infrared image is one of the key steps in intelligent fault diagnosis of power equipment. Subsequently, a two-dimensional entropy multilevel threshold based on bat algorithm is proposed. By analyzing the multilevel threshold segmentation principle with two-dimensional...

IEEE 802.16m is one of the 4G standards, in order to save the terminal energy consumption, the protocol introduces a sleep mode. With the rapid development of network, network traffic distribution is no longer Poisson distribution but self-similar distribution. Based on similar traffic distribution,...

The major assumption is that the main body of the crashed plane is complete and don't drift with flow. All the work units are not affected by weather conditions and obey the unified dispatch. The model, Determining search region, is based on the theory that the crashed plane obeys normal distribution...

Based on multiple embedding theory, traditional multi-scale entropy is optimized by local characteristic-scale decomposition (LCD) and fast kurtogram (FK) which can be called LFK for short. In the improved method, the vibration signal of rolling bearing is decomposed by LCD and the two component signals...

This paper based on Quanzhou bay cross-sea bridge. Quanzhou Bay Bridge Northern Approach, width 20m, was erected with the "T" structure cantilever assembly method. "T" configuration closure may occur Faulting phenomena. Analysts predict that the weight of precast segments, inelastic deformation of segments,...

In order to investigate thecompoundswith the general formula (Gd1-xNdx)2Zr2O7, a series of compositions were fabricated by high temperature solid state reaction at 1500 under atmosphere pressure for 72 h.XRD and SEM were exploited to characterize the crystal structure and microstructure of the synthetic...

A new extraction of flavonoids from navel orange peel by optimization of ultrasound-assisted were studied , The effects of ethanol concentration, liquid/solid ratio, extraction temperature, ultrasonic time, and extraction time were investigated. The results showed that: the extraction yield of flavonoids...

Private wireless network communications technology is a key technology of the smart grid, but the scarce spectrum resources greatly restrict the development of the private wireless network communications technology. At present, the 230MHz spectrum can only support a low transfer rate, makes it hard for...

We investigate an N-unit series repairable system with a repairman doing other work. By analysing the spectral distribution of the system operator and taking into account the irreducibility of the semigroup generated by the system operator we show that the dynamic solution converges strongly to the steady...

The purpose of this study is to explore the dimension, structure and development mechanism of TMT mental model, and the way TMT construct environment. Basing on the basic premise of “emotional man”, this study puts forward three research propositions to set up a research framework, and then we conduct...

With the development of society and economy, to meet the people's life,the urban construction is to rise.Amongthem, as an important part of civil structures, prestressed structure with good technical and economic indexes and the widespread usage is widely used in various fields of urban construction.Being...

The ecological design projects of different levels were carried out at the demonstration area. From 2013 to 2015, the dynamic monitoring of the demonstration zone water quality was carried out: the background information of wetland was investigated in 2013; two wetlands with serious pollution were selected...

Learning Research conducted at SMK Negeri 1 Cilacap focused on the importance of mastering various aspects of learning Japanese, with special emphasis on speaking skills. This research, based on observations and interviews with Japanese teachers and students, identifies the need for innovative and interactive...

In the ever-evolving landscape of communication networks, ensuring robust security measures has become imperative. This paper undertakes a comprehensive exploration of the multifaceted security vulnerabilities pervasive within these networks, meticulously scrutinizing the diverse range of threats they...

With the development of measurement technology, people have accumulated a large amount of data, these data which often with time stamp can be regarded as time series. The basic idea, the process of modeling, and prediction process of fault temperature signal prediction based on ARMA model are presented...

This paper studies the design of GIS-based anti-seismic and disaster-prevention assistant analysis system for lifeline accordance with GIS developing process. This paper discusses the design process of GIS-based anti-seismic and disaster-prevention assistant analysis system for lifeline, ascertains the...

The technology of the oxygen enriched combustion is a very promising new power generation technology for cleaning coal. This paper takes a 300MW coal-fired boiler for study, calculates the properties of flue gas of the pulverized coal combustion under the air and oxygen and pressurized oxygen enriched(CO2/O2=70:30,0.1MPa/1MPa)...

This paper is committed to study Chinese provinces energy efficiency and energy saving potential, trying to provide decision-making information for China’s emission reduction targets and policy formulation. For this purpose, this paper chooses slack-based measurement DEA model, improved to a standard...

Crankshaft is the main part of reciprocating compressor. Its structure parameters influence the reliability and service life. In order to improve the reliability of the crankshaft, Finite Element Method (FEM) is applied for three-dimensional modeling and static strength analysis. The shaft model is established...

Taking the treatment project of tailings cemented filling for mined-out open pits in typical metal mines as background, using theoretical analysis and numerical simulation research method, the cement-sand ratio and concentration of filling slurry, the total filling height, level height, stratification...

with the progress of the construction of the city, in the face of difficulties in environmental engineering construction, only take active measures, further change ideas, implement scientific management, improve the working mechanism, to solve environmental problems arising from the project construction,...

Automated and accurate classification of MR brain images is of importance for the analysis. Recently researchers have proposed many different and innovative methods to improve upon this technology. This review focused on discussing the strength and limitations of earlier proposed classification techniques....

The experiments of high-temperature for C60 high-performance concrete (HPC) mixed with 0% and 0.2% polypropylene fiber (PP) were carried out, respectively. The infrared thermographic inspection technology was applied to detect the damage of concrete after exposure to 20?"?~700?"?, then the relationship...

Differential offline mineral fertilization of elementary field sectors is one of primary economical and ecological aspects of precision farming. Application of this technologies allows significantly reducing expenses for ammonia nitrate, i.e. fertilization depends on anticipated crop capacity and demand...

A series of physical model experiments have been performed to conduct a comparative study on the motions of a mooring ship. The mooring ship employed in the experiment is an LNG ship under the transverse action of mixed waves and long-period waves respectively. The prerequisite of such a research is...

With the continuous development of the modern intelligent household, people found that brain wave can be used for controlling household appliances. EEG signal, as a typical brain wave signal carrying the brain state information, has walked into the researcher's view. Brain wave carries detailed information...

The introduction of virtualization and the expansion of scale in data center result in sharp consumption of MAC address, ich also expose some weakness in MAC address such as inefficient allocation scheme, and one-dimensional address structure, among others. Varieties of solutions are proposed by researchers...

Buggy development is increasingly rapid with its application to tourism facilities such as hotels or golf courses. The development of electric vehicles is certainly inseparable from the energy source or energy storage component, better known as the battery. The battery component is an important part...

A numerical code was developed to investigate the characteristics of drag and heat reduction by the lateral jet in supersonic flows, the Reynolds-average Navier-Stokes (RANS) equations was solved by using high resolution upwind scheme AUSMPW+, three order MUSCL reconstruction method and k- SST turbulence...

New urbanization is an important engine of future economic development, how to use the powerful tax policy to facilitate this process, it is particularly important. In the analysis of the traditional external effects of urbanization development, based on in-depth analysis of the operating mechanism of...

In order to assess fire vulnerability of old buildings quickly and reasonably, a model for an assessment system of fire vulnerability of old buildings was built, based on the theory of fuzzy comprehensive assessment. Based on the analysis of the building fire spreading process and the mechanical properties...

This Ab initio density functional theory calculations have been used to study the properties of point defects for hexagonal close-packed (hcp) Dysprosium (Dy), e.g., the formation energies of self-interstitial atoms (SIAs), mon-vacancy, interstitial H atoms and interstitial He atoms. The results indicate...

In order to explore the dew condensation phenomenon, the experiment was settled. Getting use of poplar stick during the growing period of 2015(from the end of the Apr. to the middle of the Nov.) in suburb of Changchun City as ground monitors. Through using software of SPSS 19.0 to analyze the data. The...

Information asymmetry is one of the most important dynamic properties of complex networks. It has important significance to explore the effect of information asymmetry on cascading failures for realizing cascading dynamic properties. In this paper, after analyzing the information asymmetry during the...

Recent years, the “green” building is booming. As an important component of this environmentally friendly building, the composite wall insulation system has attracted a lot of attentions. In this paper, the widely used extended finite element method (XFEM) is adopted to analyze heat conduction problem...

Metal-organic frameworks (MIL-100)/graphene oxide composites (MOFs/GO) with different graphene oxide (GO) contents were prepared under hydrothermal conditions. The resultant products were then characterized by powder X-ray diffraction, infrared spectra, thermogravimetric analysis and nitrogen adsorption...

The current number of mobile Internet users has far exceeded the number of PC Internet users. The construction of college mobile website is behind the PC website. An innovative idea which integrates mobile website and computer website into one system was proposed. Content management technology is used...

The warpage in a glass fiber-reinforced polyamide molded part caused by the sharp corner effect and differential shrinkage could be effectively reduced by optimizing the injection process parameters using numerical simulations. The results showed that adopting a three-gate injection method could effectively...

Development of effective bottom hole cleaning equipment from junk is an effective way of enhancing productivity of drilling operations. The article describes the construction of the near-bit for enhancing bottom cleaning of vertical, slanting and horizontal wells from junk during drilling by a roller...

Three-dimensional digital image expression model generalizes two-dimension morphological algorithm to three dimension, giving embedded wavelet image encryption algorithm based on three-dimensional digital image and its application in track and field route optimization. As to the three-dimensional digital...

Nowadays, with the university expansion and the increase of students' number, traditional written examination model is still adopted by universities, colleges and social organizations. There exist many problems in written examinations, such as complex exam procedures and prone errors. With the rapid...

Amorphous (Fe0.5Co0.5)73.5Cu1Nb3Si13.5B9 wires were submitted to the thermal treatment of Joule-heating at current (ja = 26 - 45.5 A/mm2) and time t = 20 - 600 s . The effects of annealing on the magnetic properties has been investigated in order to improve the soft magnetic properties by the measurements...

Container terminal operation is one of the important things to support the activities in port. But there are many problems in container terminal operation, such as lack of information, traffic, truck, waiting time, berthing window, inaccessibility of operator, slow terminal performance, etc. All these...

The level of the Dividend Payout Ratio (DPR) can be influenced by several factors that determine dividend policy from 2014 to 2018. The purpose of this study is to examine the factors that can determine dividend policy. The variables tested in this study are company size as proxied by total assets, liquidity...

This study investigates the effects of incorporating interrupted fins on annulus side of double-tube heat exchanger to evaluate heat transfer, Nusselt number, pressure drop and heat transfer coefficient when using Fe3O4/water nanofluid. Heat exchange occurs as cold fluid flows through the annulus side,...

The water rescue operations have always faced numerous challenges, such as complex environments and long response times, while the emergence of intelligent UAV systems has brought new opportunities for water rescue. This article reviews the technologies and applications of intelligent UAV systems in...

This super-fast 5G capability is not only to complement the network and as a 4G update, but it can build a new approach where technical capabilities such as data speed, latency, connectivity, and so on will have a different impact than before such as from 3G to 4G. This study uses a literature review...

The current urban air quality is deteriorating. Especially in northern China, air quality has become a hot topic. How to improve indoor air quality raises our interests. Our research team hasdeveloped the device switches the anti-haze window automatically under WIFI control by using filtering screens,...

Feature selection is an important part during the process of qualitative and quantitative analysis of infrared spectrum. In order to solve the disadvantage of traditional methods, such as multi-parameters, slow convergence, poor accuracy, prone to premature, etc. a novel feature selection firefly algorithm...

Many kinds of actuator-based haptic robots have been developed and utilized in rehabilitation to improve and strengthen stroke patient's motor capability. Now a new concept of HMCR (human-Machine Cooperative Robot) is proposed in this article, which works with the joint efforts of human user and the...

Aimed at the limitations of single technology in network security defense, an Intrusion Protection System using correlation policy was proposed. This system consists of firewall, Intrusion Detection System and honeypot. The system extends the firewall redirection rules, sets up honeypot host monitors,...

The influence of temperature and CO2 partial pressure on tubing and casing steels widely used in Daqing Oilfield including J55, N80 and P110 steels in simulation water for deep natural gas wells with CO2 corrosion was studied, using autoclave, Scanning Electron Microscope (SEM), Energy Spectrum Analysis...

Sleep EEG signals analysis is a hotspot of research recently, this paper, by using nonlinear dynamics theory knowledge, JSD algorithm and multi-scale JSD algorithm is proposed for some individual conscious period and NREM sleep stage I analyzed the research of EEG signals, and the use of SPSS statistical...

In China, the conditions of rural areas are quite different. The dispersed household and terrain difference allow the centralized system of sewage treatment being a challeng. Thus, it is urgent to set up the new mode of sewage treatment by buiding the highly efficient dispersed in-situ treatment engineering,...

It was proposed to use electrokinetic phenomena for the cultivation of agricultural products, taking into account the multifactority of technology and the presence of relaxation phenomena. It is forecasted to use new approaches to reduce energy costs for the process of moistening the root-layer of soil...

The compressive creep behavior of AE42 and AE41-xCa alloys were investigated at temperatures in the range of 125~175 and compressive stresses in the range of 88~112MPa with a special apparatus. The results show that the creep resistance of alloys is improved with increasing of calcium concentration,...

Evaluation of corporate social responsibility is an important prerequisite for partner selection, harmonious relationship building and sustainable development. In order to make objective evaluation of corporate social responsibility, extension theory is used for the first time to evaluate corporate social...

Compaction index is the key to ensure quality, the compaction degree detection has a lot of kinds of methods, and some of these methods are time-consuming, some operations are very complex, some precision are not enough, so we urgently need a fast and nondestructive method to measure the compaction of...

Welding bath depth control system based on single neuron self-tuning PID is designed, and several learning algorithms for neuron weights are simulated, the simulation results show that this controller reacts quickly and has good stability. The experiment with various cross-section and seam-gap workpiece...

In this paper, the pedestrian head impact protection performance of SUV is evaluated base on European New Car Assessment Program (EuroNCAP) pedestrian protection five star criterion of 2013 edition. The front body of CAE model was built according to EuroNCAP , the model was correlated very well with...

Lactic acid bacteria are closely related to health, in recent years, experts and scholars at home and abroad have been continuously exploring the function of lactic acid bacteria. This article introduced antioxidant, decrease cholesterol, reduce blood press, immune function, produce bacteriocin, and...

In order to detect the products of car seat, propose a new car seat detection method in this paper. First, the car seat image is normalized to 256 pixels *256 pixels image. Then extract SIFT (scale invariant feature transform) feature points and match the points. According to the position of two matched...

Attention Deficit Hyperactivity Disorder (ADHD) is a common neurodevelopmental condition that tends to be unnoticed, particularly in adults, mostly women. The lack of diagnosis is due to the fact that the adult symptomatology remains unnoticed or is misconstrued, and adults with ADHD usually present...

Porous carbon is one alternatives material to store hydrogen through adsorption mode known as solid state hydrogen storage (SSHS). The capacity of this SSHS could be analyzed using volumetric technique, measuring the changing of pressure at known volume and temperature. The measurement equipment using...

As one of the largest carbon emissions sector in China, the transportation sector accounts for about 10% of the total carbon emissions in China. Urban rail transit plays a pivotal role in promoting the green development of the transportation sector, yet it also contributes to carbon emissions. Studying...

In order to study the flexural capacity of prestressed ultra-high performance concrete-normal concrete (UHPC-NC) composite beams, a four-point bending test of a 13 m full-scale prestressed UHPC-NC composite I-beam was carried out. The test recorded the main results of the test beam from the loading to...

The evolution of image projection technology began with shadow play and the camera obscura in the 12th century. It has now led to the development of modern auto-focus (AF) projection systems. This paper analyzes the development and performance of autofocus technologies in three main types of projectors:...

This system is an innovative solution to overcome problems in the process of submitting proposals for procurement of activities. To prevent and reduce errors that often occur in proposal writing, such as inappropriate formatting, insufficient document completeness, and non-compliance with administrative...

Natural lakes have the potential to be developed as a tourism area, but it is very important to identify and measure the potential level of their tourism resources. This paper aims to identify and assess the potential resources of physical tourism assets based on four criteria, namely tourism infrastructure...

The plastic property of AZ31B sheet is poor at room temperature, so taking it as the object. Based on ABAQUS platform, FEM models are established. Moreover, ductile damage value is used as the indication of the crack, and based on the linear interpolation mathematical model, the minimum relative bending...

In order to do large scale line length heat-sealing for the sound insulation cotton and resistance to flame clad-ding layer materials of new aircraft, the system has been improved according to the original heat sealing ma-chine temperature control system. It uses thermocouple sensor of high response...

To study the sleeve structure under the axial pressure, taking the contact process of the inner core into account, the deformation process of point contact between the inner core and the flexible sleeve was studied theoretically. The second order differential equilibrium equations of a small deflection...

This paper firstly gives the scheme of the Multi-Energy Coupling System (MECS), which can be applied to college campuses. On the basis of the traditional Combined Cooling Heating and Power System (CCHP), we add solar photovoltaic and electric car into the MECS. Secondly, we establish the mathematical...

In order to get the relationship between China’s carbon emissions and transportation industry, we calculate the growth rate of carbon emissions and freight turnover based on the time series data from 1982 to 2014, showing them by the line chart. According to the change of the growth rate, carbon emissions...

This study presents a Sequential quadratic Response Surface Method(SRSM) using inherited Uniform Design(UD), to reduce the computational burden in optimization process and improve the computational efficiency of engineering optimization. The program comprises a low accuracy global quadratic response...

40 SD rats weighing 200 ± 10g were used, 12 of 40 rats were randomly selected as those in sham group, and the remaining 28 were used to establish the acetic acid-induced gastric ulcers to observe effects of smoking on the rat gastric ulcer and ulcer area. The acetic acid-induced gastric ulcer model in...

Feature extraction based on the multiscale transforms is usually accomplished in the high frequency subbands. The features which are captured from the high frequency subbands mainly contain the edge changing information of images; meanwhile the structural information of images is mainly existed in the...

With respect to the multi-state and multi-objective optimization problem of renewable energy grid-connection inverter system, this paper came up with a multi-mode predictive power control method to grid-connection inverter system, which established the discrete predictive model for island model and grid-connected...

The precision machining of shaft parts is of great significance in the fields of aerospace, automobile manufacturing and so on. For important high precision shaft parts processing, especially in the beginning of mass production, it is easy to produce single piece of waste. Aiming at the error compensation...

This study was conducted to discuss the index and method of urban land ecosystem health assessment; and to evaluate the condition of land ecosystem health in Chengdu. The assessment index system of ‘vitality-organizational structure- resilience-ecosystem service function-life style’ was established;...

According to the heat sensitive of projectile-launched plex equipment made by the PE, the ballistic radial friction condition is analyzed. The numerical analysis model of the rotary sliding friction relative speed between the plex equipment and the projectile body is setup. Based on the numeric calculation...

The on-board equipment is an important part of CTCS-3 train control system. In order to verify whether the on-board equipment complies with CTCS-3 system requirements specification, it is necessary to carry out functional testing in laboratory, in which a lot of professional expertise is needed, especially...

This paper proposes an adaptive network-based fuzzy inference system (ANFIS) based forecasting method for short-term solar power forecasting. An accurate forecasting method for power generation of the photovoltaic (PV) system is urgent needed under the relevant issues associated with the high penetration...

Considering the tedious steps, the poor accuracy and over-subjectivity of human sleep quality judgment artificially, this paper presents an automatic detection algorithm of sleep quality based on Mahalanobis-Taguchi system method. Based on the modeling and analysis of the human brain dual channel EEG...

Electrolytic codeposition technique was adopted in the deposition of Ni-Co-Al2O3 coating on the stainless substrate, using nickel alloyed with iron as the binder phase with Al2O3 as dispersed particles. The results indicated that the deposit with Al2O3 nanoparticles was level and compact; the crystal-planes...

Research on the node selection problem in Deep Belief Network(DBN). A new node selection model based on similarity is proposed to select nodes in the pre-training process of DBN, which is an unsupervised process. Firstly, extracting the nodes feature from pre-training weight matrix, and then comparing...