Advances in Engineering Research

Compared with the traditional domain ontology construction method and the lifecycle thinking of software engineering, the main steps of constructing the domain ontology are to construct purpose, overall design, detailed design, ontology consistency test and ontology evaluation. Using "Thesaurus for Geographic...

According to the basic idea of autonomous decentralized system, this paper divides the various units of off-grid DC micro-grid into different roles , and each roles are given specific control objectives and control strategy. In order to verify the effectiveness of the proposed off-grid DC micro-grid...

The assignment problem of the unmanned aerial vehicle (UAV) cluster to target group is analyzed based on the Holon theory. The formation process of the air fleet Holon alliance is the process of the unordered UAV cluster form into columns satisfying the tasks demand. The total task of the target group...

This paper introduces a design scheme of handwriting touch screen. In this scheme, the LED display is used as the display device, in addition special light pen, no additional parts required to achieve click, drag, handwritten Chinese character input and other operations in LED screen. The display uses...

The Bohai Strait cross-sea channel, an undersea tunnel, is proposed to connect Dalian, Liaoning province and Penglai, Shandong province. The construction of the Bohai Strait cross-sea channel project can restrict the important project of national development from a certain angle, and it is helpful to...

Phthalates, which were widely used as plasticizer and additives in various consumer products, were found to be associated with reproductive disorders in both men and women through their interaction with endocrine glands. These synthetic compounds, which could interfere or disrupt the normal synthesis,...

In this paper, we focuse that the existing k-anonymity does not fully consider the privacy protection degree issues of sensitive attribute, proposing a (p, )-sensitive k-anonymity privacy protection model based on privacy protection degree grouping of sensitive attribute. The solution can not only effectively...

The purpose of this study was to assess the financial performance of the Jambi City Government using the Brown analysis method. The data used in this study is quantitative data sourced from the BPK RI Audit Result Report Jambi representatives for the period 2016 to 2019. Measurement of the financial...

Several studies related to water quality assessment using the water quality index uses several water quality indices, including the water quality index (WQI), water pollution index (WPI), and river habitat Survey (RHS). Water pollution control is needed to achieve an ideal level of environmental health....

Ultrafiltration (UF) membrane has become an alternative technology in water and wastewater treatment due to its low energy requirement. However, the application of conventional UF membrane is limited by its low rejection to soluble compounds, such as dyes in textile wastewater. In this work, a UF membrane...

Since its break out in 2019, the Covid - 19 pandemic has affected many aspects of life. The viral disease even endangers human civilization due to the highly virulent and fatality of its effect. The virus has been known to disturb human pulmonary system through cytokine storm occurrence. The pulmonary...

In situ 4.9wt.%TiB2/2024 composite has been successfully prepared by displacement reaction and spray deposition technique, and its microstructure and wear behavior were investigated. Experimental results have shown that in situ TiB2 particles uniformly distributed in the matrix, and the grain size of...

By means of 3 d laser scanning technology has rapidity, non-contact, high density, high precision features, such as the mining subsidence area on the station point cloud data registration, denoising, model building, such as pretreatment, can get real and effective information and visualization expression...

The hybrid energy storage is used to stabilize the wind fluctuations for intermittent generation and random of distributed generation system in DC micro network. The power of wind farm is analyzed by Fast Fourier transform (FFT) while the minimum hybrid energy storage compensation capacity is obtained...

In this paper, we investigate the low-rank tensor completion problem, in which we wish to estimate missing values of tensors from incomplete samples its entries. In real world, the low-rank tensor can be seen everywhere and the exact rank of it is often known. Based on the fact that singular values before...

Rogowski coil induction voltage is very small, and sometimes only a little or less. After the back of the circuit and other parts of the signal, the signal will almost decay to close to zero, and become very susceptible to external interference and distortion, which resulting in the back of the measurement...

This article, based on linearized equation of movement, considers an aerodynamical stability of bundled phase of overhead lines, covered with ice in wind flow. The Hurwitz criterion is used for determining critical speed of wind flow, when appears loss of stability of bundled phase. It is analyzed relationship...

With the social economic development, the construction of urban rail transit project in time, more and more attention at home and abroad industry total FBI urban rail transit engineering systems. Urban rail system construction process is the most important mechanical and electrical systems, from systems...

In view of the complexity of background and the variety of text in natural scene images, a multi-channel FASText based text detection method for natural scene images is proposed. To detect more texts as much as possible, the character candidates are extracted by proposed multi-channel FASText algorithm...

Air drag can affect the cruising ability of pure electric vehicles, especially in the case of high-speed driving. In this project, using 3D laser scanner, we can acquire the point cloud data of the Model S vehicle of Tesla, and the STAR-CCM+ software of Siemens is used to analyse the aerodynamic performance[1]...

Environmental issues have become increasingly prominent in China. Studying on the relationship between carbon emissions and energy consumption can help us to realize the target of reducing carbon emissions in 2020. The article studies the dynamic relationship between carbon emissions and energy consumption....

Dynamic analysis of nonlocal-gradient elastic nano-beams resting on an elastic foundation is investigated in this paper. The nonlocal-gradient elastic beam model, which has two independent gradient coefficients, based on the classical nonlocal elasticity theory and strain gradient theory, can be interpreted...

The hydrophobic properties of lotus have won support among the people. It can not only resistant to the condensation of water, but also has the function of self-cleaning and anti-pollution. Super-hydrophobic coating has a great practical value in real life.The super-hydrophobic coating materials were...

To take full advantages of high-strength concrete (HSC) and steel fiber reinforced full-lightweight concrete (SFRFLC), a new type of composite beams was suggested, which was cast by HSC superposed on SFRFLC in certain relative depths. Based on the tests of 13 reinforced HSC (in strength grades of C60...

The influence of ball milling on the structure and the electrochemical properties of La0.7(Mg0.25Ti0.05)(Ni0.85Co0.15)3.5 hydrogen storage alloy was investigated systematically. The XRD results show that the main phases of the alloy are a (LaMg)Ni3 phase with the PuNi3-type rhombohedral structure and...

The State Administration of Grain has released the Suggestions of Popularizing the Utilization of High-Tech in “Eleventh Five-Year” In Grain Industry and the Comments And Suggestions of Mid-Long Term (By 2020) Scientific and Technological Development Plan of China’s Grain and Oil, and has vigorously...

Crowd people segmentation algorithm in complex environments is proposed based on Bayesian formula. In this method solved the case of the occlusion of crowd pedestrian which are difficult to detect one pedestrian from each other. This algorithm uses the Bayesian formula to convert the problem that how...

Material mode of existence, inevitably determines its color, texture, feel, and other physical properties and chemical properties, a good designer should also be a fantastic material user. He can produce emotional communicate with material, will put the material in one of the most appropriate location....

This paper developed a denoising method termed f-x empirical-mode decomposition (EMD) predictive filtering. In this new method, we first applied EMD to each frequency slice in the f-x domain and obtained several intrinsic mode functions (IMFs). Then, an autoregressive model was applied to the sum of...

Terrace houses are the typical housing typology in Malaysia. Thus, study on thermal comfort is always associated with terrace houses. Installing roof thermal insulation is important in energy saving, however, due to the availability of air conditioning it has not been a regular practice. To reduce air...

This research aims to determine the optimum rotational speed of homogenizers in the production of VCO emulsion using soy lecithin as the emulsifier. This research began with determination of the rotational speed, where water and VCO were added into a measuring cup according to the predetermined volume,...

Aiming at the problem of accurately and efficiently segmenting the ground from the 3D Lidar point cloud, a ground segmentation algorithm based on the features of the scanning line segment is proposed. The algorithm performs denoising and pose correction on the 3D point cloud and divides the scan line...

This paper presented a method of fault-tolerance for secondary-system information in smart substations. It was to solve the problem of information redundancy. This article drew on a method of state estimation on the primary-system and used the calculation of measurement-equation residuals to identify...

Since 2011, Government of Semarang City has planned the construction of a rail-based Mass Public Transportation System. This discourse is getting closer to realization in mid-2018, where the Semarang government sets Light Rail Transit (LRT) as the rail-based Mass Public Transportation System that will...

Indonesia is a country that has the largest coconut plantation in the world, with its main copra products. The quality of copra produced from rural areas is low and complained by the international market because it is thought to contain aflatoxin. This paper describes the fast-drying machine to produce...

To reduce the toxicity of oiled land plants-accumulators were used. Para-aminobenzoic acid and the biological preparation Baikal EM-1 were used with biologics and zeolite-containing clays. It was found that seeding accumulating plants treated with the Baikal EM-1 biological product, repeated watering...

Modern requirements for resource saving seriously raise the issues of secondary use of basic raw materials and auxiliary materials in the production cycle. Food production, in addition, uses water in significant quantities and as an auxiliary material. Unconditional superiority in such processes is occupied...

The narrow particle size distribution of poly (vinyl silicone) microspheres were prepared by the hydrolysis-polycondensation method with vinyl silane (VTMS) as raw materials. And the influences of pH value, oil/water ratio on the morphology, particle size and distribution of the microspheres were studied....

As a reliable technology for connecting a new steel element to the existing concrete structures, the post-installed anchorage is widely used in the field of structural retrofit and strengthening. In order to analyze the mechanical behavior of post-installed anchorage between steel and concrete under...

For mode I surface-cracks detected from structures, a method to evaluate stress intensity factors Kest was suggested by measuring the opening displacement distributions along the crack and calculating stress distributions around it. The stress intensity factors of surface-cracks with different lengths...

The stable isotopic labeling reference materials play an indispensable role in the verification and calibration measuring instruments, evaluation analysis methods, determining the material characteristic and the quality control in the process of production. Therefore, it has great economic and social...

Alternative fuel oil that is renewable and environmentally friendly because it is made from vegetable oil, one of which is biodiesel. Biodiesel has a biodiesel composition produced from unsaturated fatty acids that cause oxidative degradation of biodiesel. The hygroscopic nature of biodiesel is susceptible...

Driven by global warming, permafrost degradation has significant implications for the global climate system, especially in its potential to alter the carbon budget and biodiversity of terrestrial ecosystems. This study seeks to clarify the nexus between permafrost degradation and carbon budget dynamics...

In order to enhance the sheave buffer damping efficiency of the carrier-based aircraft arresting system, and improve the damping characteristics of the buffer and the suitability of the load, the multi-hole hydraulic buffer is brought to substitute the conventional hydraulic buffer, the two type hydraulic...

In this study,grafting modification silicon carbide powders were manufactured successfully by KH-550 and acrylamide monomer in nitrogen atmosphere, and the modified silicon carbide epoxy foam resin grinding wheels were prepared by mixing epoxy resin with silicon carbides. The structure of the modified...

he distribution characteristics of the in-situ stress for the mining area of Liuhuanggou mine field was tested by using the stress relief method.The value of the in-situ stress of the non-exploited region was predicted by using the theoretic analysis method and the advice of roadway layout was put forward.

The monolithic cylindrical fused silica resonator is the critical component of a cylindrical resonator gyroscope, and the Q factor is the key parameter to evaluate the performance of a cylindrical resonator. In this paper, a non-contact measurement system based on acoustic excitation and laser Doppler...

High heat removal efficiency is an important requirement for the W/Cu divertor monoblocks in the design of future fusion reactors. In this study the stationary surface temperature distribution and the effects of armour thickness and coolant flow velocity on the thermal behavior of W/Cu monoblocks under...

A generalized variable-coefficient coupled Hirota-Maxwell-Bloch system is investigated, which can describe the ultrashort optical pulse propagation in a variablecoefficient nonlinear, dispersive fiber doped with two-level resonant atoms. Based on the obtained Lax pair, N-fold Darboux transformation (DT)...

Grounding grid is an important device guaranteeing the operation of the people, electrical equipments and power grid. However, the corrosion of grounding grid affects the security of the power grid system, what's worse, it makes huge economic losses and serious social impact. We found from the research...

The magnesium alloys with rare earth element Gd were prepared by induction melting furnace. Influences of Gd on the microstructure and mechanical properties of AZ91D were investigated. The results showed that addition of Gd to AZ91D alloy could refine the microstructure including primary -Mg phase and...

We study a pure iron billet placed in an induction furnace. The magnetic reluctivity of pure iron varies strongly according to the temperature. The volumic power and total current in the billet increase linearly with temperature. But, before and near the Curie point, those parameters increase very strongly....

With the progress of science and technology, the computer experiment teaching model has been promoted, verifying test has been decreasing, and computer teaching experiment plays an important role in teaching. Currently, for the shortcomings and limitations in the computer experiment teaching, a reasonable...

The Taiwan Photon Source at National Synchrotron Radiation Research Center selects the KEK-B type superconducting radio-frequency (SRF) module to deliver RF energy to the 3-GeV electrons circulated in the storage ring. Each SRF module has its own control valve box to adjust the flow rate of transferring...

Future satellites require higher and higher payload’s pointing precision and attitude stability, it is urgent to suppress micro vibration efficiently. This article designs a low thrust, high precision flat electromagnetism actuator. Firstly, the article designs the configuration of the actuator .Secondly,...

In order to extract looseness fault feature for a generator set, the paper introduces a new time-frequency analysis method, called frequency slice wavelet transform (FSWT). The time-frequency distribution of signal is firstly processed by the FSWT. Then some interesting regions on the FSWT time-frequency...

With the development of the times and social progress, 3D printing technology of our country gradually began to rise, is a kind of rapid prototyping technology in the present stage of our country, has gradually entered people's life, aroused people's interest and attention, and has been in a number of...

Progress of studies in the mechanism of the membrane fouling of Membrane Bioreactor was introduced from aspects of membrane characteristics, the operating conditions and the properties of microorganisms the feedwater. The usual control strategies of the membrane fouling were summarized such as optimizing...

Based on the analysis of Particle Filter (PF), this paper proposed an improved unscented particle filter (UPF) algorithm by utilizing unscented Kalman filter (UKF) to obtain an importance density function. This algorithm clustered the sensor network nodes through dynamic organization. Moreover, the single...

The results of research aimed at structure formation in niobium alloyed steels for pipe production by means of dynamic recrystallization control during hot rolling at a wide strip mill are shown. Influence of deformation, time and temperature parameters in the continuous roughing train of a wide strip...

This paper mainly studies the distributed PV interface device how to realize the control of distributed power grid, and the interface to achieve the function of islanding prevention, the integration of relay protection, measurement and control, power quality control, remote control, harmonic control...

The purpose of this study is to investigate the effect of Total Alkaloids in H.littoralis on the induction of apoptosis involved in Human Hepatoma Cell line HepG-2. HepG-2 cells were treated with different concentrations of Alkaloids in H.littoralis at different time. MTT method was used to study Alkaloids...

This paper discussed the design of the energy storage welding machine which was controlled by PIC18f4520 SCM, energy storage welding machine is a kind of resistance welding. The working principle of the resistance welding uses the electrode press the weld port and power on it. The contact resistance...

Mangrove forests are an important coastal renewable resources which were found in the brackish water, estuary, lagoon, and tropical island. These forest provide important ecosystem goods, create the new island in the coastal area and biofilter’s supporting as a place to live, to spawn, to feed and coastal...

A damage rate dependent constitutive model suitable for penetration calculation is introduced in this paper. The finite element program is applied to simulate the penetration of a projectile into concrete target. The simulation results of residual velocity are in good agreement with the experimental...

A cabbage combine harvester adapted to technological schemes of harvesting is proposed: bulk shipment of heads in the vehicle bed and shipment of heads on flexible flooring with a subsequent delicate packing in containers in the vehicle bed. The machine harvesting process of headed cabbage under the...

Based on the theory of Winkler beam on elastic foundation, mechanical model of syncline genesis was established and deflections, bending moment and strain energy were deduced. Meanwhile, stress and energy conditions mining in syncline structure were analyzed from the point of formation mechanism of syncline...

The metal plating industry realistically and continually produce liquid waste in a number of relatively small but highly toxic. This waste disposal will poison the surrounding environment as well as biotic/abiotic component, if the waste directly disposed of into the environment without being processed...

It's adopted the method of field experiments studied the effects of straw incorporation and reduction of chemical fertilizer on soil nutrients and crop yield, through the treatments of no fertilizer + straw (NS), optimized fertilization with straw to field the full amount (SF), optimization by providing...

In order to promote the consumption of renewable energy and adjust energy structure, it is an effective way to use generation rights trade between renewable energy and conventional energy. Reasonable benefits can promote their enthusiasm to participate in the generation rights trade, so research on ancillary...

The size of datacenter is growing rapidly. Datacenter network faces enormous challenges in the communication capabilities. Micro-Electro-Mechanical System (MEMS) optical switching technology is an idea for the network. In this paper, MEMS optical switch is used to construct the datacenter network. The...

Nowadays variable speed constant frequency (VSCF) wind power generation system is adopted in the most wind farms. Its parallel operational characteristics will affect the voltage stability of the power grid. Based on the modeling method of the lumped wind farms, the grid connected wind farm simulation...

A series of AlCrNO based solar selective absorber coatings were deposited by cathodic arc ion plating on three kinds of different infrared reflectors (AlCr, Cu, Cr) and with different deposition currents respectively. The surface morphology, phase structure and surface roughness were characterized by...

Selaru Island community has long ago been familiar with activity of fulfilling needs through Tnyafar. Being a local wisdom, every household used Tnyafar as a livelihood strategy. Through Tnyafar, community exploited natural resources regularly to ensure the fulfillment of the needs. This research was...

Transportation is one of the most important elements in the economy aspect, because transportation is closely related to community activities, especially in urban areas. The purpose of this study is to provide city transportation data, namely the Vehicle Operating Costs (VOC) of 15 existing routes, and...

This article aims to provide an overview on bioactive constituents and extraction procedure used of Malaysian medicinal plants. Search on the electronic databases including “ScienceDirect’, ‘Scopus, and ‘Web of Science’ was done based on related keywords, ‘Malaysia’,’ medicinal plant’ and ‘extraction...

Along with intensive people activities in different places, the demand on transportation increases. For some dense road, motorcycle might be the better choice due to its ability to move flexibly. This may lead to massive use of motorcycle powered by fossil fuel engine. Beside causing severe air pollution,...

Drilling makes holes in aircraft components that aim to unite other structural parts to create a robust and reliable structure. The drilling process on composite materials does not always work well, resulting in the composite being damaged during the drilling process. One punching defect is delamination...

A pulse oximeter is a device used for monitoring a person’s oxygen saturation. A normal pulse oximeter displays the pulse rate. Due to the literacy rates of 72.8% in Telangana and 74% in India, there are still many people who are not capable of understanding what the appropriate heart rate and SpO2 are,...

This research aims to compare two types of batteries, namely lithium-ion batteries and lead-acid batteries, in the application of electric vehicles. The simulation method carried out is to use the MATLAB/Simulink application to measure the performance parameters of the two types of batteries by comparing...

The energy transition from the Palabuhan Ratu Steam Power Plant (PLTU) which uses coal as fuel to clean energy sources is an important step in facing the challenges of climate change and energy sustainability. This research aims to analyze the technical and economic challenges that arise in this transition...

In recent years, with the rapid economic development of the China, the railway construction also experiences a fast growth. State Department adopts The Twelfth Five-Year Plan of Transportation in 2012, and plans to build a batch of great railway projects. The construction program of Beijing-Shenyang...

The automatic opening and closing light-operated curtain device designed in this paper applies the photosensitive resistance to collect current light intensity, then transforms the collected analog signal to digital signal by a serial A/D chip TLC549, and finally the converted data is transmitted to...

New perspective of the upper structure of the bridge detection device comprises a detection device body, detection support, crawling mechanism, gas spring, motor, image acquisition device, the buckle plate, the chassis and the control device, the detection device is installed on the cable body, body...

Objectives: Diabetes, which is caused by the disorder of blood glucose, has been one of the most important metabolic diseases worldwide. In order to avoid the diabetes-related complications, such as blindness and loss of limbs, the diet adjustment and insulin therapy are need to check glucose level at...

Using fluidized bed under the action of high fluoride on simulation of jiangxi rare rare earth smelting waste water to remove the test. Articles by controlling the F/Ca, change CaF2 (AR) particle size and so on has carried on the related experiment, and the output of the crystal were characterized, and...

As the seismic isolation technique was widely use in aseismic design of bridges, the high-damping rubber bearing were applied to many bridges in order to reduce the seismic response of bridge. Compare the seismic isolation effect of different model high-damping rubber bearing and laminated rubber bearing,...

Ground subsidence in downtown is attributable to various factors such as the impact by excavation, soft ground settlement, deteriorated sewer and poor compaction. Road sinking resulting from deteriorated sewer is mostly by the soil penetrated into the damaged sewer. Thus to prevent ground settlement...

The PPP project involves more stakeholders. Reasonable risk allocation in PPP projects is important for project performance management, which is a critical driving factor satisfying value for money. This paper aims first to identify involved stakeholders and multiple relationships and then to build a...

The main research content of this paper is to take fabric images with different texture features, by three kinds of commonly used and relatively good performance of the clarity evaluation function process the image, such as gray scale gradient function, energy gradient function (Tenengrad function) and...

In order to reveal the correlation between the road transportation industry and national economy in China from 1985 to 2013, the grey relational analysis method is chose to calculate the gray correlation degree between GDP as main performance index in national economy system and other four factors,such...

A traditional tea drink acidic Fermentation broth contains a variety of nutritional factors, including tea some nutrients, live microbial cells and their metabolites. Kombucha bacteria containing mainly acetic acid bacteria, yeast, lactic acid bacteria and other cells. This paper trained to do Kombucha...

One of the effective methods in air traffic flow management is ground holding. The Air Ground-holding Strategy can effectively alleviate the air congestion and reduce delays by switching air waiting to ground waiting. This paper use the minimum total cost as the target and the limit of integrated capacity...

To resolve using TPS, upgrading and replacing instrument conveniently, referenced from the module with IVI IVI-MSS and IVI-Signal Interface, network function interface module based on module technology was presented in this paper. The method avoided the operation to the detail instrument, and ensured...

The integration of geochemical and geophysical methods was applied to epithermal gold-quartz veins exploration in Chukotka tundra (North-East Russia). The feature of the investigated area is that the gold-quartz veins are blind and are located 50-120 m below the surface under the layers of low-resistive...

This paper focuses on designing a kind of six degree of freedom teaching robot (STROB) and developing its trajectory planning method. STROB structure is introduced and kinematics parameters model is established. In order to make STROB generate smooth and continuous trajectory, non-uniform B-splines interpolation...

The safety performance of water landing is an important research for the amphibious aircraft. The interactions between the airplane structure and water belong to complex fluid-structure interaction(FSI) problem. The three-dimensional model of water landing for a certain type of amphibious aircraft’s...

The thesis comprehensively apply on the study of literature and the way of comprehensive analysis. It focuses on the key competence of industrial cluster of rare-earth in Gannan. The thesis holds the view that industrial cluster of rare-earth in Gannan had formed the dimension nowadays, but it’s key...

In order to investigate the cause of the typical bush rupture and wear damages in the journal bearing of the steam turbine generator set. The misalignment bearing analysis model of considering lubrication turbulence effects was established. The pressure, thickness distribution of the oil film is obtained....

This paper analyzes the traditional mode of data acquisition, proposed the distributed data acquisition system architecture which is based on the CIM/E, while discussing the management of CIM/E files and data sharing under this architecture. The feasibility of the system has been verified by engineering...