Advances in Engineering Research

The full process axial tension test is conducted for reactive powder concrete (RPC) with three kinds of steel fiber volume ratios. The dumbbell test piece with varying section of arc transition is adopted in the test with copper washer of varying thickness to address the problem that it is easy for outer...

Aiming at the problems of transient voltage stability decreases, which caused by the doubly-fed wind power integrated system when grid short-circuit faults, a coordinated control strategy is proposed. This control strategy combines dynamic voltage restorer (DVR) based on the improved voltage drop detection...

A method for simulating welding defect of slags or incomplete fusion is raised in this research. Experiments on seven full-size members were conducted.The research shows that the length of the welding defect is related to the decrease of the ultimate bearing capacity of the members under the static axial...

Selecting Jinghong hydropower station as a study case, we studied the spatial-temporal change of land use and landscape pattern during 2004,2009 and 2013 based on the application of RS interpretation , ArcGIS 10.1 analysis and Fragstats3.4. The results showed that: 1) Area of tea garden, traffic land,...

The recognition of radar emitter signals (RES) is one of the key technologies in electronic countermeasures intelligence system, it’s a brand new subject to scientifically evaluate the recognition effect. In this paper fuzzy comprehensive evaluation method is introduced to build relevant evaluation model...

Reliability analysis of uplift stability based on the first order second order method for digged foundation in gravel soil has been made by non-dimensionalization for ultimate state equation and combining with the test results. The ratio of test value to calculated uplift capacity Kp that reflects the...

3D registration is an essential step in 3D reconstruction of real objects. In this paper, the fine registration methods for point clouds are classified systematically and analyzed theoretically. For several typical fine registration algorithms, experimental comparisons are also carried out on the effect...

China is facing social difficulties of severe aging trend that retirement community has become a promoting new type of aging life model beside "family support" and "institution care". Retirement community requires higher quality of environment design and facility layout, and demands improving evaluation...

Software reuse is an important technology in the world since 1980s. It is considered as a technology that can increase software productivity and provide important support for software development industrialization. Software reuse is involved in a very broad field of technology research, the research...

On the basis of a previously developed mathematical model of electromagnetic power transfer between phases, an investigation of effectiveness of the functioning of the arc steel furnace EAF-100 with coplanar construction of the secondary current lead in the modes of "short", "medium" and "long" arc discharges...

The article deals with the problems of technogenic mercury pollution of environment and population health effects in the mining settlement in the Far Eastern Federal District (FEFD). The measures are proposed to reduce its harmful impact.

In the wake of scientific progress and development of human society, urban rail transit system, as a high-efficient and energy-saving urban transit mode, has been increasingly favored and respected, due to its comprehensive advantages as convenience, security, comfort and environmental protection. This...

One method for synthesis of prenyl alcohol starting from isoprene was developed. Isoprene was chlorinated by concentrated hydrochloric acid, then esterification and saponification were occurring until prenyl alcohol was prepared. Some key influencing factors including reaction temperature,reaction time...

This paper reports a compounded capacitive micromachined ultrasound transducer (CMUT), which has the potential of CMUTs for multi-frequency transducer applications and medical application both imaging and therapy. The compounded CMUT has a cell with low and high-frequency structures. we introduce a fabrication...

In order to research the impact on the surrounding environment of the high temperature and high pressure jet flow produced in the process of missile vertical launching with jet vane, the structured grids was built, and the computational fluid dynamic model was used to simulate the launching vehicle jet...

Head and tail width defects have a negative effect on hot strip quality. This paper developed a short stroke control (SSC) model to improve the width accuracy of head and tail. The model established a database to store the data of feature points, according to the steel grade and the working condition....

This study aimed to determine the diversity of seed plants (Spermatophyta) based on taxonomy in Univet Bantara Sukoharjo campus. This study type was an explorative descriptive. The study was carried out in 2017 at the Univet Bantara Sukoharjo campus. The method used was to census all spermatophyta plants...

This work fabricated high quality Nano-Ni using electrochemical deposition through purifying plating solution, adjusting current density and additive. The mean three-dimensional size of nanocrystalline Ni prepared by electrodeposition is larger than 5mm, the average grain size is 26nm, the density is...

GPS positioning is increasingly used in various fields. However, the cost of GPS satellites is extremely high and the atmosphere affects the output a lot, so it is not suitable for small-scale precise positioning (less than 100km). Aiming at this problem, this paper proposes an enhanced precision model...

In order to research the influence of underpinning pile foundation after excavating tunnel with shield construction, the three-dimensional numerical simulation is carried out by using FLAC 3D based on the actual project in Shenzhen. Different finite difference models are established respectively by changing...

Aiming at the practical problem of target vehicle detection and tracking in the UGV Leader-follower Systems, a method of detecting and tracking vehicle by using LIDAR is proposed. As an active sensor, LIDAR can obtain the distance and angle information of the object in real time, and has high resolution...

Based on the understanding of the communication methods and the structure and architecture of databases/data blocks of numeric control (NC) system, an open source communication suite designed specifically for Siemens NC system, Snap 7, is used to realize data acquisition from Siemens 840D sl NC system...

With the rapid development of information technology, communication technology control measures and operational mechanism has also been a leap-forward development, both from the communication technology model or the application of the scale of the industry have made significant progress. After the 21st...

Because the electromagnetic railgun's main current can reach several MA and the muzzle velocity is more than 2 km/s, launching in this harsh environment in barrel will cause grooving to the rail. Using existing experimental data of references, this paper analyses the position and depth analysis of the...

Compared with general time series forecasting methods, fuzzy time series has the main advantage of dealing with linguistic variables or fuzzy data in time series. In this paper, the fuzzy AR (p) model estimation theory is introduced into the data processing of deformation monitoring,and the steps of...

In electric vehicles (EVs), the lithium-ion battery is used as the main energy storage because of its large capacity and high power density. The traditional battery management system (BMS) simply measures battery voltage and current. Most battery damage is caused by failure of the battery's sensor or...

Photovoltaic and photovoltaic heat technology can be coupled by nanofluid-based solar direct absorption thermal collector. It is an important means to improve the efficiency of comprehensive utilization of solar energy. Nanofluids optical theory plays an important role in the development of new photovoltaic-thermal...

Rotary cement kiln is a large time delay and inertia component. It is typical problems in industrial process control, so when applying advanced control methods to systems. This paper designs an improved Fuzzy-Smith controller. It combines Fuzzy with improved Smith predictor control method. Smith predictor...

Ecological condition of the Volga-Akhtuba floodplain strongly depends on the set of hydraulic structures (the hydroelectric power station and the reservoirs located on the Volga river) that is an important problem today. The effects of a serious anthropogenic intervention into natural river regime manifest...

Earthquake is an unpredictable natural disaster, and land subsidence is one of the followed impacts of this disaster. This occurrence can endanger buildings on the disaster area, especially the columns as the central element in the superstructure. This study aims to discover the influence of the inclination...

The R-101 reactor is one of the units in the Catalytic Condensation Unit (CCU), XXX Refinery. This reactor functions to reprocess the mixed C4 feed originating from the RCC Complex processing to have a higher selling value such as propylene and LPG. In this reactor, there is a polymerization reaction...

This paper delves into the theoretical framework and strategic research for project portfolio management within engineering design enterprises in the context of the VUCA environment, characterized by Volatility, Uncertainty, Complexity, and Ambiguity. It underscores the inadequacy of traditional project...

To ensure the safety and stability during the construction process of open-cut underpass, this paper takes the Xinchun Road underpass project in Chongqing as the research background, adopts numerical calculation method to establish the “excavation of foundation pit-slope protection-structural construction-back...

The aim of this study is to investigate the application of RS-based vegetation indices to biomass estimation, perform a random forest (RF) classification for estimating biomass and compare the performance of RF method for high resolution and medium resolution images. As data sources, orthorectified QuickBird...

In the use of energy, it is necessary to pay attention to the impact on the environment. Environmental impacts due to energy use such as climate change and global warming. It is necessary to develop renewable energy that does not damage the environment and ecosystem. Indonesia itself has many sources...

This research introduces an advanced Random Finite Element Model (RFEM) designed to comprehensively simulate the complex behaviors of frozen soil, focusing on the dynamics of phase transitions and their effects on internal stress and vertical displacements. The model uniquely blends the capabilities...

Traditional integrated circuit technology attempts to integrate all functions into a single chip, this leads to the chip becoming more expensive and larger. Heterogeneous integration technology solves this problem by combining chips with different processes and technologies. This technology can continuously...

The fence is one of the important components in a building which functions as an area barrier, protects privatization, protects security (safety), art and beauty of the building being fenced, generally fences are made of concrete, brick, steel, stainless steel, live plants, wood / planks and river stones....

Small watershed has a quick response of both meteorological and hydrological variables which led to the critical impact of discharges, especially for a small island. However, the watershed generally has lacked ground observation data. Thus, many engineers and scientists have used the geostationary satellite...

The demand for higher data rate and large user experience motivates the existence of 5G-NR for twenty-twenty society. However, 5G-NR uses High Frequency, which makes a strong propagation causing lower signal reception due to rain rate in tropical regions. This paper aims to give an overview about the...

Titanium alloy-Ti6Al4V is an important aerospace alloy with excellent properties but it is classified as difficult to machine material that requires an alternative manufacturing process. Laser metal deposition process is an ideal alternative manufacturing process that can offset most of the problem encountered...

This paper studies the effect of pre-stretching process on the residual stress and mechanical properties of EW75 magnesium alloy by OM and mechanical tests, etc. The results show that the bend deformation caused by the release of quench residual stress increases after machining into the pre-stretching...

A new ash grinding process was proposed,with the application of vertical grinding mill systems to grinding,sorting,and collection process The process by designing a new type of vertical grinding system to solve the small particles of fly ash in the state is not easy grinding problem,significantly reducing...

As the wetland ecosystem in the field of research is insufficient, this paper established Effect Evaluation Index System of comprehensive development level of wetlands based on their ecosystem functions and performance characteristics. The entropy method was used to determine the index weight, the set...

With the recent rise of web3.0 hot, personalized recommendation social networks become an important aspect of research. Social networks on behalf of the domestic microblogging abnormal hot, more and more domestic and foreign research applied over microblogging. Because the characteristics of micro-Bo...

With the rapid development of network, network information security more and more people's attention. Through the network information security threat factor analysis, and then we present five common computer network information security policy, information security and network development were discussed)...

The middle-east region of Qinshui coalfield locates in the eastern of Qinshui block depression, which terrain ups and downs and the surface lithology is changeful. How to choice the excitation and receiving parameters becomes the main difficulty. In this paper, the methods of micro logging and refraction...

The SMARTM compound materials formation technique characteristic is summarized, taking some compound materials connection skirt as the example, it designs SMARTM with the mold structural style, it has inferred the soft mold outer diameter and thickness design and the dimension control equation. The research...

In this paper, the route-based fuzzy adaptive control strategy(RFACS) of PHEV is designed based on the Intelligent Transportation System ITS . Through the ITS to get the speed characteristic of the future path and the fuzzy intelligent control, the RFACS strategy can improve the efficiency of PHEV system...

The hierarchy model of computer network security assessment was constructed in light of the characteristics of computer network and the factors influencing the network security. The fuzzy analytic hierarchy process based on triangular fuzzy number was applied to assess the network security comprehensively...

A new unsymmetrical photochromic diarylethene 1- [3,5-dimethyl-4-isoxazolyl] -2-[2-methyl-5-acetenyl-3-thienyl] perfluorocyclopentene has been synthesized. Its photochromic in hexane solution and kinetics experiment were investigated in detail. The result indicated that this diarylethene had reversible...

Thermal disposal of sewage sludge is likely to cause serious nitrogen related environmental problem, since it contains considerable amount of nitrogen. Considering that iron oxide (Fe2O3) is widely applied chemical condition for sewage sludge treatment, this study was focus on investigating the role...

Nowadays, Airfoil shape optimization are developed by many researchers. Especially, evolutionary method is taken to find out the shape of airfoil. The main objective work is finding the shape of airfoil that get the aerodynamic properties which good for lift and drag of the aircraft wing. PSO is the...

A facial expression recognition method using the ignition position sequence (IPS) of pulse coupled neural network (PCNN) is proposed in this paper. First the method obtains normalized standard images by pre-processing the face images; and then uses PCNN model to extract the oscillation time sequences...

In order to change the existing status of big turning radius of the large direct seeding machines with diesel and gasoline as fuel and improve the low efficiency and time-consuming condition of the machine driven by human or animal, an electric rice planter was designed. The mechanical parts and circuit...

Image restoration processing is to rebuild or restore original images with some prior knowledge according to given degraded images or noise-polluted images. This paper proposed an image filter algorithm based on improved Shearlet Transformation. Firstly, it adopted classical Shearlet Transform to decompose...

Bangka Island was formed by collition of some block geology (terraine) in hundreds million years ago. Earth plate amalgamation driven by tectonic force that caused increasing intensity of magmatism, tin mineralation, structural geology dan metamorphic rock formed. The geological condition has attractiveness...

Through questionnaire investigation of 320 rural households at 8 towns of Xichang City Liangshan Autonomous prefecture Sichuan, an ordered Probit model is constructed to analyze the influence of various factors on supply effect of farmland water conservancy facility based on populations with different...

A kind of high automatic manipulator is designed, the joints of manipulator is controlled by servo motor The manipulator is used for manufacturing lower cover of soybean milk machine. The manipulator includes four axis which are the upper and lower axis, the rotary axis, the telescopic axis and the arm...

This paper presents the results of theoretical and experimental studies of the joint rigidity of the production equipment in relation to modular structures

To control the angular velocity of the auxiliary electric motors of electric locomotives, controlled converters are used, making it possible to implement various methods for controlling the electric motors of direct and alternating current. Depending on the technical and technological conditions, different...

The determination of reasonable lag time is the key to make the gob-side entry driving away from the violent mining of the working face. In this paper, the geological and mining conditions of the No.7432 Working Face in Kongzhuang Coal Mine is taken as the research background. Using an independently...

With the gradual increase of the number of sports events and the participation in sports activities, the amount of information of sporting events will show exponential rate of growth, sporting events information provided by traditional library materials and newspaper media is unable to meet the current...

An accurate model for an underwater glider is important for the design of a high-performance underwater glider control system. The performance of such control systems is influenced by the parameter variation of underwater glider under real operation conditions. In this paper, the mass parameters of an...

Conjugate direction is a better direction of optimization. The three-seeking method and the six-seeking method based on conjugate direction have strong theoretical. Using the advantages of one-dimensional blind walking optimization algorithm, the optimal point was given on the given direction. Three...

Contour extraction process is often disturbed by complex backgrounds or foregrounds in the machine vision system. A new contour extraction algorithm is proposed based on wavelet transform and dynamic contour compensation. The wavelet transform method is used to extract the edge of image, and the dynamic...

GRC is a concrete made of glass fiber, acting as reinforce matrix, and combined with cement. It has high tensile, bending and anti-impact properties. However, due to its endurance problem, it is prohibited in industry applications. In the recent thirty years, many researchers have investigated its endurance...

Data mining is the extraction of present information from high volume of data sets, it's a modern technology. The main intention of the mining is to extract the information from a large no of data set and convert it into a reasonable structure for further use. The social media websites like Facebook,...

Daylight entering through the window can be obtained from several sources, namely direct sunlight, clear sky, clouds or reflections of the lower surface and surrounding buildings. Light from each source differs not only in the amount and heat it carries, but also in other qualities, such as color, distribution,...

Biochemistry theory and technology is an important tool to analyze the etiology, development mechanism, diagnosis and treatment of clinical related diseases. It is an important subject in the training and education of clinicians. Based on the related problems in biochemistry teaching practice, such as...

Climate change is caused by global warming due to human activities that contribute to greenhouse gas (GHG) emissions. Land-based human activities result in changes in dense vegetation, especially forest stands to land cover with low vegetation density (non-forest). Changes in land cover cause changes...

This study analyzes the problems and makes suggestions by investigating the current situation of family financial management of Guangzhou residents. This study has used questionnaires to collect data and analyze data using SPSS20.0. The study finds that 24.8 per cent of households spend the most on “education”....

This paper examines the implementation of Customer Relationship Management (CRM) and the role of social media in small and medium enterprises (SMEs). Understanding these phenomena is very critical since SMEs have used social media to interact with their customers, however little researches has been conducted...

Indonesia prioritizes agricultural development for food security, facing challenges like land conversion and drought due to climate change. Indonesia faces agricultural challenges like drought; hybrid Solar Power Plants (SPP) using mono/poly-crystalline cells offer renewable irrigation solutions. The...

Alas Purwo National Park has a buffer area, namely Kutorejo Subvillage, Kalipahit Village, Tegaldlimo District, Banyuwangi Regency. The communities around the buffer area have local wisdom in the use of medicinal plants. Therefore it is important to carry out an ethnobotanical study in this area as a...

Sodium chlorate (NaClO3) is produced from two undivided electrolysis cells, where the oxidation reaction of sodium chloride (NaCl) to chlorine occurs on the anode side, and the reduction of water (H2O) to hydrogen occurs on the cathode side. In the process production, requires considerable electrical...

In order to explore the dynamic response of the superstructure and the deformation characteristics of the site after sand liquefaction of offshore wind turbine foundation under the combined action of wind, wave and earthquake, a large-scale shaking table test of offshore wind turbine suction bucket considering...

This research investigates the prospects and performance of lithium-based batteries for off-grid photovoltaic (PV) systems, which have been proven crucial for enabling high solar energy penetration. It also quantifies how adding a lithium-based battery affects the energetic performance of off-grid PV...

At present, there is an increased interest in the development of wind power engineering and its implementation into existing electrical networks in Russia. It should be noted that foreign technologies are mainly used now in Russian wind power engineering. At the same time, there are no existing normative...

The impact of excess nutrition will have an impact on weight gain and the accumulation of excess fat in the body which will lead to obesity. Based on the results of the 2018 Riskesdas, it shows that as many as 21.8 percent of the Indonesian population are obese. Rapid technological developments can be...

The rail transit is playing an important role in solving ground traffic congestion, guiding urban space layout and improving effectiveness of land using. The public are paying more and more attention to its social influences and environmental problems in construction and operation stages. This paper...

With the rapid development of China's economics and society, We continuously strengthen the consciousness of democracy, In recent years, The " supervising politics by TV " is in full swing, Its political effects and good social repercussions in the construction of democratic politics explore a new effective...

In order to realize the high precision positioning in the 3D (three dimensional) status of the LANDMARC system, using the RFID (Radio Frequency Identification) location algorithm, put forward a 3D correction algorithm with the correction factor. At the same time, applied the 3D correction algorithm in...

The ordinary sensors require manual control and do not have the indoor air humidifier test function. This design mainly adopts STC89C52RC SCM control, and connects with the auxiliary circuit to achieve automatic test and sound-light alarm of the intelligent air humidifier. The intelligent air humidifier...

Hydraulic backhoes are widely used in Kuzbass (Western Siberia, Russia) because the level of coal loss during their operation is much lower compared with traditional quarry excavators - shovels. However, one of the mining enterprises' designing problems is insufficient consideration of technological...

The accuracy of electric energy meter is important for power consumers and power enterprises. Therefore, the work is dedicated to the development of an on-line multiplexed high accuracy electric energy meter. The accuracy of electric energy meter and the power quality can be monitored in real time. In...

A product conceptual evaluation method combining analytic hierarchy process (AHP) and interval fuzzy technique for order preference by similarity to ideal solution (TOPSIS) was proposed in this paper. The weights of evaluation criteria were determined by AHP, where nine-level evaluation scales were defined...

In order to increase the multiplexing capacity of traditional fiber Bragg grating (FBG) sensor and to provide more abundant information support for the structural safety evaluation, structural strain experiment was carried out based on on-line continuous preparation technique for identical and weak FBG....

As a new type of light source,LED has been widely used in street lamp lighting system, in order to realize the function of driver and management, a LED power supply with the integration of driver and management based on the power line communication is proposed. There is no requirement for additional...

According to the special significance of grain and all the detection methods of granary storage quantity, this paper select detection methods of granary storage quantity based on pressure sensors figured with high universality, practicability and reliability, analyze them and put forward a improved version...

In this paper, the characteristics of Volleyball were demonstrated and analyzed, which shows professional, normative and contingency Volleyball Volleyball is tremendous room for growth, because volleyball with flexible teaching diversity, therefore multimedia technology into the volleyball classroom...

Methods of 3D reconstruction of medical images mainly included surface and volume reconstruction at present. In the experiment of 3D ultrasound reconstruction for spine of people, the result using volume reconstruction was unsatisfactory because of the ultrasound images' characteristic. So, we brought...

Denitrifying phosphorus removal process is to complete domestication and enrichment of denitrifying phosphate-accumulating organisms by using anaerobic/anoxic alternate environment instead of the traditional anaerobic/aerobic environment. Then, nitrogen and phosphorus can be removed simultaneously at...

This paper presents a detection method of input phase lack of power unit in cascaded high voltage inverter. The method determine the input phase lack of power unit in cascaded high voltage inverter through the detection of primary negative sequence current of phase shifting transformer. The start-up...

The statistics of International Meeting shows that most circuit breaker faults comes from mechanical side, so it is of great significance to do research on mechanical fault diagnosis. The implementation of circuit breaker mechanical properties on-line monitoring is an inevitable trend of the development...

Cipangopaludina chinensis which is a kind of benthic invertebrates was taken as experimental invertebrate. In the condition of the Roxithromycin, the activity of APND and GST abstracted from the liver and kidney tissues of Cipangopaludina chinensis to investigate the effect of Roxithromycin on the biochemical...

The main source of sports information in Chinese portal sites comes from self collection. Currently sport channels content construction has formed a good and interactive pattern of sports news information and material background. Sport information resource is composed of types of knowledge, skills, news,...

In this passage, a new method is proposed to predict the load of electric vehicles (EVs) on highway. In this method, a simplified highway network containing charging stations is established, based on which we can generate an adjacency matrix. Then the origin and destination (OD) of vehicles are extracted...

Stability of structures in any mining excavation is critical and roof rock stability has long been the primary concern in all underground excavations. There are plenty of supports systems that has evolved over the years, among them rock bolts are widely used support system in mining and various civil...

In order to explore the relationship between the multi factors of the inland river shipping accident and understand the law of the accident, the data of Yangtze River trunk line from recent years are collected and analyzed. First, we extracted the key factors of the shipping accidents and preprocessed...