Advances in Engineering Research

In line with the overarching theme of fostering interdisciplinary dialogue and promoting sustainable urban development, this study delves into the intricate nexus between urbanization and ecosystem service value (ESV) in Shandong Province. Shandong Province has significantly impacted ecosystem services...

To improve the overall efficiency of modern building elevator, an active regenerative braking converter using a bidirectional Buck-Boost converter is implemented. The converter is connected in parallel to the inverter DC-bus. Energy is stored in a set of super capacitors during regeneration and it is...

Quotation strategy of power generation company is a new problem with the emergence of electric power market. The amount of a single transaction at least 1 million, more than 100 million in electricity market. The advantages and disadvantages of electricity generation quotation will decide enterprise's...

In this paper, the electromagnetic field, temperature field and stress field distribution of gold coated gratings were calculated to analyze the damage mechanism under ps-pulsed laser irradiation. The finite element method in time domain was used in calculation. The Maxwell's equations were used to calculate...

Electronic component is an important part of electronic system or electronic circuit. Once it fails, it may lead to the system or circuit failure, and then affect the reliability of electronic equipment. This article analyses the problems of reliability selection and application control of electronic...

Fully considering the government's economic and social development and related energy planning, based on energy consumption per GDP and other binding indicators, the change of electrical energy in terminal energy consumption has been analyzed and the forecasting model of electricity consumption in the...

Background suppression of weak small targets in infrared image is the key of image tracking and monitoring, especially under the cloud background. In the area of image signal processing, there are a lot of background suppression methods can be used to image filter by combining the characteristics of...

The research of basin runoff is one of the most important areas of research in surface water hydrology. This paper made an analysis of the runoff change trend and mutation characteristics of Wei River basin by the mathematical statistics of Kendall rank correlation coefficient and M-K mutation test method...

This paper discusses how to construct a fuzzy classification system (FCS) effectively and accurately. In the FCS, the initial fuzzy rules are optimized with a quantum bit which has many unique advantages such as small population size, fast convergence, short training time and strong global search ability....

Study on the color of ancient residential architecture in Southern Fujian, and explore its causes and evolution, hoping to give some inspiration to the use of modern architecture color.

The traditional optimization inversion method based on iterative method strongly depends on the selection of the initial model, which may easily leads to the local optimal solution, however, the smoke ring inversion has the advantages of fast calculation and no need of initial model. Therefore,the results...

Small and Medium size Enterprises (SMEs) are considered as the backbone of the manufacturing industry in China, and a breeding ground for business ideas for the knowledge-based economy. Flexible integration of resources and engineering collaboration of self-governed SMEs is expected to facilitate the...

To effectively assess the reliability of aero-engine main fuel accelerated regulation system under poor failure statistics information, a fault tree analysis method based on interval model is presented. Firstly, according to main fuel accelerated regulation system principle and failure mechanism, the...

A new cutting type structure was presented. The split way for the new structure and the choice of relevant parameters were described, the lap jointing type to form the male die and female die a complete tongue, the design of portholes and the welding chamber and the bearing were included. And the results...

The article studies the reaction of the 5-storey reinforced concrete building of the cross-sectional wall structural scheme to the seismic impact. Bearing structures of the building were simulated by the three-dimensional finite elements, connecting concrete and reinforcement, in the software application...

The corrosion behavior of rebar HRB335 in 0.5 wt.%, 1.5 wt.% and 3.5 wt.% NaCl solutions was investigated by corrosion rate calculation and corrosion morphology observation. The results showed that, with the increase of corrosion time from 240h to 720h, the corrosion rate of rebar HRB335 in each NaCl...

Concrete cracking is a major cause affecting the durability and applicability of concrete; it draws increasing attention from researchers in the field of civil engineering. However, previous studies of early micro-cracks are insufficient. The presence of early micro-cracks is the basis of macroscopic...

Atmospheric precipitation is an important factor in the self-purification of the atmosphere from trace impurities of both natural and anthropogenic origin. Microparticles in the atmosphere are effectively removed from it, both with precipitation and in the form of dry precipitation. Snow cover is a natural...

In this paper the path of tar formation during biomass pyrolysis or gasification is described. When the reaction temperature is in the range of 800-900?"?, the tar yield is between 2.5% -5%. Meantime, the primary tar approaches 0, the secondary tar content is 40-60%, the tertiary tar content is 20-60%;...

With the developing of information technology, a large proportion of universities have accumulated lots of data, and individual data centers have been built. However, the data standards are inconsistent and formed lots of information islands objectively. So, the problem of data integration and data sharing...

This paper presents a new way of structure composition of wheelchair-style lower limb rehabilitation mechanisms to develop a systematic and modularized structure synthesis methodology of exercise rehabilitation mechanisms based on exercise rehabilitation. First, the movement principle of hip and knee...

This paper is intended to develop Indonesian Driving Anger Scale by adopting several items of driving anger short scale developed by Deffenbacher et al in the USA. The respondents were asked to rate the amount of anger that would be provoked from none at all, a little, some, much and very much if the...

The purpose of this research was to understand the influence of Azolla extract and mixed media in hydroponic Wick system on caisin and to find the best mix of organic nutrients in hydroponic Wick system on caisin. This research used an experiment with Single Factor Experiment in Completely Randomized...

In a market economy, agricultural enterprises have switched to a new system for planning and justifying the arable yielding capacity. Soil cover patterns in West Siberia are very diverse. From an economic point of view this raises certain difficulties relating to the formation of crop yields. The given...

Based on the monitoring data in the automatic ambient air monitoring station of Quancheng Square in Jinan from 0 o’clock of 11/06/2016 to 0 o’clock of 15/06/2016 as the typical pollution process, spatial distribution, related weather condition, ozone precursors, and regional transportation of ozone were...

The paper considers plane and spatial (processional) eccentric transmissions and describes the procedure of their modeling. A computer analysis of the obtained models was carried out, which made it possible to evaluate the operating capacity in the absence and presence of elastic deformations of the...

Building materials equipment repair and reconstruction are a challenge as this equipment has large overall dimensions and masses. Requirements to desk side tools precision are expressed in the following: basing surface accuracy of the restored workpiece by the tools; accuracy of working tools movement;...

With the development of China’s economy and progress of scientific and technological level, relevant industries of machinery manufacturing and precision machining is increasingly prosperous. Meanwhile, all sectors of the society put forward higher requirements for production technology and the quality...

From macro perspective, main factors affecting adsorption of CH4 by coals include coal particle size, pore structure, coal rank, moisture, temperature and pressure, etc.. The adsorption capacity of CH4 by coals is affected by multiple factors. The adsorption experiment of single component gas showed...

The growth and ammonium removal ability of heterotrophic nitrification bacterium are strongly influenced by carbon sources, as well as the activities of key enzymes of glyoxylate cycle. To obtain a better insight into the relationship between glyoxylate cycle and nitrification, the two key enzymes of...

By partition matrix method, we improve the speed of privacy amplification, the key phase of the post-processing in continuous-variable quantum key distribution system. The computational complexity of privacy amplification could be decreased by the partition matrix method. The optimal speed of the privacy...

In order to explore the effects of task characteristics and operator familiarity on human reliability in human-computer interaction VDT operation, the simulation experiment was designed, then the performance data of 20 healthy college students were collected and analyzed by analysis of variance (ANOVA)....

This paper studies the problem of the precision of thrust speed and pressure compound control under the uncertain external load condition for shield tunneling machine. An controller about thrust speed and pressure is designed based on the traditional PID control algorithm combined with BP neural networks....

Good clustering algorithm can effectively reduce the energy consumption of a wireless sensor network (WSN). The random in clustering will reduce the performance of clustering algorithm. Aiming at this problem, this paper proposes an unequal clustering algorithm with load balance (UCLB) for WSN. UCLB...

The mathematical model of machined workpiece by orthogonal turn-milling with ball-end milling cutter is established, which takes the effect of ball-end milling cutter eccentricity into account. The simulation steps and flow chart of the algorithm are also given in this paper. The relation between representative...

This article presents the results of comparative studies of analytical characteristics of pectin substances in grape pomace depending on the variety. Grape pomace is a wine making secondary raw material. Industrial grape varieties processed for wine production in the southern part of Russia were chosen...

the Indigenous villages in Bali Province is called Bali Aga, which is interesting to do research in depth to understand the indigenous character of Bali Aga. The Bali Aga villages have their own uniqueness for customs, traditions, culture, and architecture and built environment. These characteristics...

In the chocolate and confectionary industry, there are several types of alternative fats to replace cocoa butter (CB), including cocoa butter substitute (CBS). CBS is a CB substitute fat derived from lauric fat, namely coconut oil (CNO) or palm kernel oil (PKO) which is modified physically (fractionated)...

Entrepreneurship is one of the courses in science education study programs that examine the development of products in the form of finished goods, services, learning resources and learning media for science and services that begin from analyzing market needs, testing the feasibility of products, producing...

The article describes the peculiarities of assessing a special type of risks inherent in strategic oil and gas projects, namely risks, whose source is the opportunistic intentions and capabilities of stakeholders. The paper notes the role of the domestic oil and gas complex in the structure of the Russian...

Advanced urbanization processes and the growing scale of public events suggest the need for fast and accurate crowd monitoring and density assessment tools to provide safety, manage resources, and respond to emergency situations. This work presents an advanced approach that utilizes GIS with DCNN and...

Suspended scaffolds are one of the main causes of fall related fatalities in the construction sector. Despite the presence of suspension scaffold inspectors and OSHA guidelines, fatalities resulting from OSHA violations are prevalent. This paper proposes a semi-autonomous drone system to detect guardrails...

Currently, a significant amount of waste textiles are buried or burned, which has serious environmental consequence. C onsequently, recycling textile wastes into high-mechanical products using environmentally friendly methods is crucial matter. One alternative for clothing waste is to make the abundant...

Pollution has become one of the most talked issues around the world, especially the exhaust gas of diesel engines emission. Therefore, this study is intended to find ways of reducing harmful exhaust gases from diesel engines by improving the filter system using a catalytic converter with natural zeolite...

There are many options for metal plating processes to improve the quality of metal and non-metallic materials. Metal coating without the use of electrical energy is known as conversion coating. One form of conversion coating that is widely used in the industrial world is blackening or black oxide coating....

With the advantages of superior seepage resistance, geological adaptability, low post-maintenance, and low cost, concrete cut-off walls are used in the foundations of various rockfill dams around the world. This paper discusses the maximum horizontal displacement, top settlement, and stress distortion...

This paper focuses on the Shandong Peninsula Urban Agglomeration, utilizing NPP/VIIRS nighttime light data, and employs Ordinary Least Squares (OLS) and Geographically Weighted Regression (GWR) Models to analyze the spatiotemporal patterns and driving factors of nighttime vitality in this urban agglomeration...

With the wide application of UAV technology in several fields, the accuracy and reliability of the sensed data become critical. Therefore, this paper aims to explore the current status of the application of key filtering algorithms in the field of UAVs. This paper firstly introduces the development history...

In response to Dhaka’s ever-increasing traffic demand, ride-sharing schemes offer a promising solution to enhance urban mobility thereby alleviating chronic congestion. While ride-hailing services are already prevalent in Bangladesh, they have fallen short of playing a major role in reducing traffic...

This paper mainly introduces microgrid. It is the core of intelligent distribution network. In today's energy shortage situation, microgrid has been widely concerned around the world. It can effectively solve the problem of the impact when the distributed power grid connected to the power grid, which...

In the process of the contrast patterns mining, people usually assume that the datasets distribution is basic bal-ance, but in the real world, there are many data sets which class distribution is imbalanced. Considering the problem of contrast patterns mining on the imbalanced data sets, in this paper,...

Principal component analysis (PCA) is one of the most widely used face feature extraction methods, and has evolved a lot of new algorithms, which has become a hot research topic. It[1] is a multivariate statistical method, can effectively reduce the dimension of the face image, and can keep the original...

The effects of three surfactants (Tween 80, saponin and monorhamnolipid) on the hydrolysis of alkali pretreated rice straw by low dosage of cellulase were studied. The results indicated that with a relatively low cellulase dosage (4 FPU g-1 substrate), all surfactants were able to enhance the enzymatic...

With the rapidly development of location-based services, Using augmented reality technology to develop LBS system can greatly improve human computer interaction. In the article, we design an augmented reality system based LBS on android device, mainly discussed the geodetic coordinate transformation,...

New energy vehicle, as the national strategic emerging industry, has received strong support from the government in recent years, but the industrialization development of new energy vehicle is not ideal. On the one hand, most of the research on new energy vehicle attributes is qualitative, which hindered...

Al/Pb-0.8%Ag and Al/Pb-0.75%Ag-0.03%Co anodes were successfully obtained by electrodeposition from methanesulfonic acid. The relation of silver content(y/m%×104) in Pb-Ag coatings and Ag+ concentration(x/mgdm-3) of electrolyte was . The results of anode polarization curves and Time-Potential curves showed...

In the era of Big Data, according to the characteristics of basic computer courses, the author reasonably applied education data generated in the process of teaching. And the author made an in-depth analysis of the data collected by using the fuzzy theory and principal component. It provides a scientific...

When building a radial basis function (RBF) neural network with the traditional clustering method , the expression of the network is often affected by the distribution of training samples.The ability of learning and generalization are hard to achieve the optimum.In this paper, it presents to through...

This paper proposes a Maturity Model (MM) to assess the level of sustainability of Supply Chains. To reach the integrated Maturity Model an hierarchical and partitioned perspective is adopted by sustainability practices, sustainability dimensions and by SC. A simulation study is performed to illustrate...

Commodity and information interaction between regions are becoming more and more intense. The data of origin-destination flow (OD flow) is the observation of the interaction between paired regions. Each observed value of OD flow is related to an original point and a destination point in space, which...

For the road traffic accidents happened in a short period of time, the application of multi layer hierarchical prediction method in road traffic accident forcast has higher prediction accuracy compared with other methods. However, we find that the average error in predictions is nearly 5%, which still...

An overview of several different extracts of traditional Chinese medicine and the impact of animal hair follicle belong to different species, thereby regulating mechanism of traditional Chinese medicine and its extract clear hair follicle development.

In the background of rapid urbanization in China, it is an important task to improve the level of social integration and solve the problem of discrete distribution of floating family members. A Structural Equation Model (SEM) of family relocation decision related to rural factors, urban factors and social...

By using the image processing and numerical functions of MATLAB, after the treatment of SEM image to mudstone specimen with threshold segmentation, filtering and other procedures, we can obtain binary image of mudstone; and determine the fractal dimension of the image by MATLAB program. The results showed...

In this paper, a class of electromagnetic suspension system was investigated. Firstly, according to the Newtonian mechanics principle the forced state of the system was analyzed. The differential equation and the transfer function of the controlled system were deduced based on the system's law of electromagnetic...

Multi-channel high-power electrical prospecting instrument (MTEM) transmitter is developed on the basis of the bipolar switching power’s principle.Thedesign ofthe transformer’smain components is critical to the performance of MTEM transmitter system.The dual-input dual-output 60KW of power transformers...

MnOx has become a focus in the research of low-temperature SCR De-NOx catalysts for its good catalytic activity. Many MnOx-based catalysts have been researched which all have a high selectivity low-temperature N2 and good anti-poisoning, but most of them lack enough clear reaction mechanism and kinetic....

For reducing the effect of flexibility, backlash and friction, which is brought by the harmonic gear in the system, this paper proposes a kind of multiple loops’ control method based on double speed loops. The control system includes double speed loops and current loop. Double speed loops are consist...

Near field acoustic levitation (NFAL) has been used in non-contact handling and transportation. The levitation force is generated by the squeeze film. In order to descript the levitation force precisely, we built a mathematic model of the squeeze film, considering the gas inertia and relevant nonlinear...

To drive a fast shift from peacetime potential to wartime support strength, and realize casualty evacuation function of railway passenger carrier such as smooth boarding, safe placement and en-route nursing, four pairs of relationships were discussed in-depth, and four principles and relevant demands...

Nuclear power plant inspection underwater crawling robot can replace foreign operation and maintenance personnel to complete the reactor core and pool fishing operation. In this paper, through the analysis and research on the configuration and control system of the robot, based on kinematics model of...

SubSafe is a game-based submarine safety training system developed by UK that presents end users with an interactive, real-time three-dimensional model of a real submarine. The research presents background and main functions of SubSafe. Evaluation of the training effectiveness and some enlightenment...

This paper investigates projective synchronization of fractional order chaotic systems with different orders. In order to get the projective synchronization of fractional order chaotic systems with different orders, a scheme is proposed and effective controllers for synchronization are designed. Numerical...

This article discusses the management of the traffic safety subsystem at enterprises engaged in road transport activities. For the successful functioning of industrial enterprises in modern conditions of economic development, along with the growth of production volumes, fewer costs are required. To this...

One of the most important problems of our time is the creation of fundamentally new, technological solutions in the field of energy saving, rational nature management, creation of environmentally friendly production of composite building materials, which corresponds to the current trends in the development...

A novel method based on variational modal decomposition (VMD), improved multiscale permutation entropy (IMPE) and probabilistic neural network (PNN) is proposed to solve the problem of the rolling bearing fault pattern recognition for wind turbine. Firstly, the vibration signal is decomposed into several...

Liquid level control is a system that is often found in the process industry, such as the chemical and petroleum industries. The control method that is usually used to control liquid level is conventional control such as Proportional Integral Derivative (PID) controller. However, conventional control...

Employee competency training license data management for Environment Safety and Health (ESH) is a critical aspect of data management at PT. XYZ. This research aims to develop a web-based Training Management Application to digitize employee training data management, which was previously conducted manually...

Road traffic accidents along the Nalaikh–Ulaanbaatar road have raised serious concerns regarding the adequacy of existing safety measures, particularly the effectiveness of safety railings. This research investigates the structural integrity and performance of these railings with the aim of enhancing...

Good posture can be an indicator of increased work productivity. This study was conducted to analyze work posture and to determine the level of risk of the upper body posture when working as a cashier at a QRS pharmacy. The research method is used in determining the object of research, collecting data,...

The Meninting diversion-spillway tunnel is a part of the Meninting dam project located in West Lombok District. The construction commenced in 2017; then, a series of severe Lombok earthquakes halted the construction for a while in 2018, where some landslides occurred around the site. This possibly caused...

IoT (Internet of Things) is a system that allows the interconnectivity of various devices remotely via the internet. Modern IoT devices require a variety of options when it comes to connectivity. The IoT technology currently widely used is LoRaWAN (Long Range Wide Area Network) due to its low power consumption...

Emulsifications process can positively contribute to increasing oil recovery during the extraction process. However, emulsion instability can cause phase separation and reduce production. This phase separation causes oil and water to separate, hindering the flow of the mixture and reducing the ability...

With the intensification of global environmental problems, civil engineering construction as the basic industry of modern social development, the construction of infrastructure is an important field, and there is a close interaction between energy, resources and the environment, its energy consumption...

The assessment of Ningbo Hangzhou Bay Coastal Wetland Protection Project is an important measure for the ecological restoration of ecological development. Combined with the collected data and the current situation investigation results, the changes of marine hydrodynamic environment, seawater quality...

Pellet waste gasification is a promising method for converting organic waste into useful bioenergy fuel. This process produces syngas, a mixture of carbon monoxide, hydrogen, and methane which can be used as an environmentally friendly alternative fuel. However, to maximize the efficiency and sustainability...

A surface-active agent was added to the project in order to investigate the process of viscosity reduction in rubber-modified asphalt by the warmed mixing agent and its effects on rheological characteristics of asphalt. Different periods for preservation for warm-mix asphalt treated with rubber powder...

In practice, one can get luminous flux parameter of LED by off-line measurement method and make prediction of the LED module's service life time. But the prediction results only focus on LED luminous flux, meanwhile colorimetric and thermal characteristics are not involved. Towards to the disadvantage...

In order to reveal the related law between strata behavior and rock burst of fully mechanized caving face, this paper discussed the relationship between the distribution of abutment pressure and energy in front of the coal wall of fully mechanized caving mining face from the point of view of energy....

The shock tower, serving as a critical component of the front car body, plays an important role in the stability and ride comfort of the vehicle. In this study, a lightweight optimal design was obtained based on the original steel structure. Stiffness requirements for optimization process were extracted...

The parametric analysis is carried out by using numerical simulation methods for the flow around a single cylinder. The influence of the three-dimensional effect, grid form, time step, turbulence model and sub-grid scale models on the calculation results are discussed, respectively. The analysis results...

On the basis of the thermoviscoelastic constitutive equation and classical Kirchhoff thin plate theory, the motion differential equation of viscoelastic rectangle plate is deduced. Then the expression of rectangle plate deflection under circle distributed dynamic load and temperature is deduced via Laplace...

The spatial distribution of the hydraulic fractures is mainly controlled by two processes of crack initiation and propagation. It is the premise of predicting the geometric structure of fracture network to study the mechanism of crack initiation of rock. There are a large number of initial micro cracks...

This paper is analyzed the numerical model of cathodic protection, and its application in the damage of submarine pipeline coating. On the basis of the Laplace equation, combined with the boundary conditions required for the damage of the submarine pipeline coating, construct the numerical model that...

This paper considers the major factors influencing cement flowability and its conservation in humid environment with the presence of processing additives during grinding. It describes cement flowability quantitative measurement methods developed and introduced by the authors and implemented on the basis...

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

The constitutive model of materials is essential to nonlinear analysis, in this paper, uniaxial constitutive models of reinforcement and concrete are summarized, and some meaningful uniaxial models of concrete and reinforcement are proposed.

Resonantly enhanced transmission through subwavelength periodic structure in metallic film has received much attention since the phenomenon of extraordinary optical transmission (EOT) was discovered by Ebbesen in 1998. A variety of novel phenomena caused by the interaction of light with metallic film,...

The submitted paper deals with the house facilities in residential buildings which is often marginalized when solving problems of residential buildings and their areas. However, the house facilities are one of the factors having a substantial effect on quality of using the residential buildings and subsequently...

Clean Energy including natural gas, hydropower, and nuclear energy, as well as fossil energy including petroleum and coal are the most important energy consumption in China. Although important, the research on the relationship between clean/fossil energy consumption and sustainable development has only...