Advances in Engineering Research

Clean water supply in Galiukir Indigenous Village, Bali, is constrained by a large elevation difference, a long transmission pipeline, limited source yield, and inadequate existing pump head. This study develops a conceptual engineering design for a community-based high-head, low-flow water supply system...

Modular construction is a green and low-carbon construction method. In this paper, the effect of expansive agent (EXP), mixed steel fiber (SF) and polyvinyl alcohol fiber (PVA) on the workability of self-compacting concrete (SCC) were studied. The filling performance, passing capacity and anti-segregation...

Shaft equipment plays an important role in the process of exploitation loading. The main load is concentrated on the basic buntons, which are horizontal metal H-beams and they are fixed into the shaft support by both ends. In shafts with skip hoisting of useful minerals the destruction of upper flanges...

Traditional CBIR (Content Based Image Retrieval) system on parallel platform spends too much time facing large-scale images. In this paper, we present an improved CBIR system based on Apache Spark, a fast and general large-scale data processing engine. At first, we do preliminary processing to build...

AnÿearthquakeÿofÿM5.8ÿoccurredÿinÿAlxa of InnerÿMongolia onÿAprilÿ15,ÿ2015.ÿThereÿareÿ39ÿgroups of strong-motionÿsignalsÿrecordedÿbyÿthe NationalÿStrongÿMotionÿNetworkÿCenter. PGA andÿinstrumentalÿintensityÿdistribution characteristicsÿis obtainedÿfrom accelerationÿresponseÿspectrum analysisÿtoÿtheÿstrongÿmotion...

Due to low efficiency, some water plant in Poyang cannot decrease raw water turbidity availably, which leads to blocking filter tank ,shortening backwash cycle and increasing capital. Aiming to those problems, this technical reform bases on micro-vortex flocculation technology, using vortex reactor in...

Based on the creep characteristics of the overlying Jurassic sandstone in the goaf in Yulin area of Northern Shaanxiby the RLW-2000 microcomputer controlled rock triaxial compression creep testing machine, the parameter values of Burgers creep model of the Jurassic sandstone are determined, and the creep...

In order to improve the meshing performance of precision forging cycloid bevel gear, the modified method of gear based on the deviation surface is provided in this paper. On the basis of generating method for pinion with tilted cutter the gear tooth surface is derived according to the fully conjugate...

A compound pore forming agent which can be decomposed constantly in sintering process was designed and prepared. A new cermet sinter was developed by adding the compound pore forming agent into the TiC/M2 matrix material. The influences of content of TiC, sintering temperature and pore forming agent...

For the current general heating control system tracks the set temperature hysteresis heating device to automatically adjust the real-time problem of poor design a fuzzy self-tuning proportional-integral-derivative (PID) controller parameters. Scoop out using PID control and fuzzy control algorithm combined...

In order to solve the difficulty in testing space controller, a general measurement system is designed and integrated. Based on LabVIEW, the multi loops model of producer/consumer is chosen to program which makes the interaction and sharing of data came true. Using the structure of state machines, the...

In order to make the coal mine snake-like robot can better perform search and rescue missions in different terrain environment, according to the characteristics of the snake like robot, a new front end actuator was designed. According to the faults of traditional snake like robot head only has sensor...

Loess deposition age sequence during the Holocene in the region is established by the description of rock character of loess-paleosol stratum the partition and contrast of stratum of section in Xi'an ShaoLinyuan. According to the character of the curve expressed by substitution indication of climate...

Green energy-saving building is the inevitable trend of the sustainable development of the construction industry, green building evaluation standard system of green building development to an important role. In this paper, the Chinese version of the green building evaluation criteria GB/T50378-2014 and...

Semantic knowledge can be separated from language by the knowledge abstract patterns which use entity attribute relationships. With the existing grammar knowledge, the computer can deal with grammar and semantic analysis step by step. Thus the human understanding process is simulated by the computer....

In the modern network environment, library management information system needs to be turned its focus to the development and utilization of information resources. The Internet can help readers’ online library and the demand of the subscription, but function to meet these requirements at the same time,...

Based on the linear function between the maximum horizontal stress obtained by fitting the measured in-situ stress test result and buried depth, FLAC3D software was used in this paper to analyze the characteristics of lower-group roadway surrounding rock under the influence of multi-mining of deep nearly...

The alkene epoxidation is an important reaction for organic synthesis and the catalytic epoxidation of cyclohexene can be widely used for the synthesis of fine chemicals. In this work, a new kind of heterogeneous catalysts, Mn/Ru coorindated covalent triazine framework (Mn-CTF and Ru-CTF), for oxidation...

Modular multilevel converter(MMC) can be used in DG system. The double closed-loop control strategy including dc bus voltage outer loop and current inner loop is adopted in the control system, which makes dc bus voltage stable even when active power changes. The current inner loop has a new control strategy...

Objective To establish methods for the quantitative and qualitative identify of Gukefuyao preparation. Methods Characteristic absorption peaks of Gukefuyao preparation powder and its different extracts were identified, compared and analyzed according to the peaks’ shape, position and intensity in infrared...

This paper presents the experimental program and measured results, obtained model, statistic analysis and some graphics for springback angle of common sheet metal. There were considered three bending parameters: bending’s angle, sheet’s thickness and radius’ punch. The obtained model is interactive second...

This paper presents an approach to work with the process life-cycle of the U.S. Department of Defense Architecture Framework (DoDAF), and extend existing architecture description process and artifacts within DoDAF that match the scope of the ADD life-cycle phases to enhanced system life-cycle development...

Hubei-Henan transmission section is the first 1000kV/500kV/220kV three-level electromagnetic loop network in China and the most complex loop network in Hubei. According to the present situation of Hubei-Henan transmission section and Hubei-Hunan transmission section electromagnetic loop, the characteristics...

The troubleshooting in aircraft maintenance engineering is an important activity. Accuracy and proficiency of troubleshooting directly affect flight safety and economic efficiency. Traditional training methods were in real aircrafts. They need large investment, while poor scalability and lead to largely...

A cloud adaptive chaos particle swarm optimization algorithm is proposed for economic load dispatch problems of power system, which has the characteristics of nonlinear, non-convex and discontinuous. Normal cloud generator was used to adaptively adjust the inertia weight of each particles, so as to optimize...

The function block model and configuration technology were studied.A method of function block instantiation is advanced in allusion to the problem that the number of function block is fixed.At the same time,the parallelism was employed for the schedule of function blocks.And the advantages in the complex...

In order to save development expenditure, shorten test cycle and improve quality, modelling and simulation (M&S) is used in processes as index demonstration, developmental design, and type approval test. The main applications of gun and simulation technologies in its type approval test are introduced...

Malioboro Area is the city centre of Yogyakarta. It is a very busy area. There are many shops, public utilities and attractions in this area. Many visitors come to this area, especially during long weekends and holidays. There is a plan to close and pedestrianize Malioboro main street. Traffic surveys...

With the building size, shape, function more and more complex, building systems have become more complex, often to a variety of complex piping systems are arranged in a limited space, and also to meet the appropriate space requirements. In order to achieve an intuitive understanding of the key parts...

The low-low temperature ESP (Electrostatic precipitator), reducing flue-gas operational temperature to improve dust removal performance, has been used gradually in engineering applications for the capture of fine particles in coal-fired power plant. The effects of temperature on discharge characteristics...

The experiment was carried out on the stability of heavy metals with the high concentration of heavy metal solution, which was prepared by absorbing bentonite and bentonite. The results show that after adding a certain amount of adsorption material in heavy metal solution, bentonite, concavo convex rod...

At present, the molecular targeted small molecule anti-tum or drug becomes hot topic of domestic and foreign research and development of innovative drugs. There are always new products having been launched, and hundreds of products are in the clinical development stage in recent years. In this paper,...

The correlation analysis of the meteorological data and the weekly concentration of the main water pollutants(COD, NH3-N and DO) from seven automatic monitoring stations in Taihu lake basin in 2011 year was carried out. The results showed that there is little correlation between rainfall factors and...

The rapid growth of Satellite City in South Tangerang will directly impact road infrastructure and environmental conditions. The purpose of this paper is to investigate the performance of existing road infrastructure. The study was to gain the perception of road users regarding various elements of satellite...

The use of antagonistic microbes and potassium fertilizer on potato cultivation at the medium land was carried out to improve plant endurance, yield and quality. Application of potassium doses and suitable antagonistic microbial types will strengthen plant cell walls and plant nutrients to be fulfilled....

Not many people know that Todo is one of the megalithic villages that was the center of the Manggarai Kingdom in the past. The stories contained in the literature always mention Todo as the forerunner of the emergence of Manggarai residents. Like other Manggarai megalithic settlements, Kampung Todo is...

Monitoring and control of home electronic equipment in general is still done manually, this is less efficient if we are not at home but want to monitor the condition of the electronic equipment. With the remote control using a smartphone can be a solution to simplify the control system and monitoring...

The wind energy potential in Indonesia, according to the Ministry of Energy and Mineral Resources (ESDM), reaches 60.65 GW. The variable characteristics of the wind pose challenges in harnessing wind energy. Therefore, wind turbine systems need to be equipped with Maximum Power Point Tracking (MPPT)...

In modern urban development, lift systems ensure functionality, accessibility, and efficiency in multi-storey buildings. The study assesses the adoption of lifts in low to mid-rise buildings within the Greater Accra Region.This research employs quantitative methods to thoroughly examine the topic. The...

The maintenance of railway infrastructure is crucial to ensure operational reliability and safety, especially for railway tracks. This research focuses on designing an elevation inspection tool using a combination of precision optics telescope and laser sight. The tool’s design considers strength, user-friendliness,...

The increasing of climate change bring carbon credit schemes as crucial Instruments for mitigating greenhouse gas emissions and enabling sustainable finance. This paper investigates to what extent such institutions foster business climate action and green financial flows. Adopting a qualitative...

Brain tumors are a severe medical disease that can have serious consequences in terms of morbidity and death. For efficient therapy and improved patient results, early identification of brain tumors is essential. MRI scans allow us to find brain tumors. The doctor will be able to see the abnormal growth...

Aquascaping is the art of designing an aquarium that combines water, plants, fish, and decorations to create aesthetic harmony. However, maintaining an aquascape poses several challenges, particularly regarding environmental factors such as unstable water temperature and suboptimal lighting. The ideal...

Drowsiness is one of the most critical factors contributing to a high number of crashes in Malaysia. Several types of driver drowsiness detection (DDD) systems have been developed to tackle this problem. They are based on vehicle diagnostics, physiology, or facial recognition. However, these systems...

This paper discusses the role of adaptive digital filters in modern signal processing systems, highlighting their ability to dynamically adjust to varying signal environments. Two widely used algorithms, Least Mean Squares and Recursive Least Squares are analysed. LMS is computationally efficient and...

In order to explore the difference between vacuum preloading without sand cushion and gravel pile, sand pile, and surcharge combined sand pile technology on the reinforcement effect of soft soil foundation, comparative tests were carried out in four areas at the test site. The test results show that...

Take Hutuo River Bridge as an example, study the key technology of construction of shaped steel-hybrid combined cable-stayed tower, due to the structural specialties of the main tower, the main tower adopts scroll modeling, elliptical gradient cross-section, double-layer end-plate bearing connection...

The rise of e-commerce has seen a surge in personalized recommendation systems, greatly enhancing user experience and boosting sales. This paper explores the integration of multimodal data in e-commerce recommendations and the privacy challenges it brings. Multimodal data, combining different sensory...

Radio frequency (RF) cable is the main physical carrier of signal transmission. Signal transmission of RF per-formance is affected by multiple factors. In the paper, 3D finite element analysis of RF cable was built and signal attenuation characteristics of single factor for RF cable was studied, such...

The curing reaction characteristics of modified amine-epoxy and epoxy asphalt system under different heating rates were analyzed by differential scanning calorimetry (DSC). The relationship between curing degree and activation energy during the curing reaction is studied. The Kissinger equation was used...

The effects of paclobutrazol (PP333) on cadmium (Cd) accumulation of Stellaria media were investigated through a pot experiment. The results showed that the root biomass increased with the increase of PP333 concentrations, but the shoot biomass and total biomass decreased. PP333 enhanced the photosynthetic...

At present, power consumption has become a factor in design of integrated circuit with growing concern in addition to timing and area. Currently, there are many methods to reduce power consumption. In the paper, standard complete technique of Unified Power Format (UPF) based on IEEE1801 standard is used...

Electrical equipment connecting socket outlets still consumes energy when in standby mode or shutdown state. This makes a large amount of power wasted. According to usage and operation characteristic, socket with multiple outlets can be modeled as hybrid dynamic systems. This paper proposes the basic...

In this paper, land prices of the 234sample points are chosen from the collected bargaining points in Jimo city by using the approaches of market comparison, residual and income. Then, SPSS is applied to carry out normality tests of the sample data and eliminate the outlier data. The trend of land price...

A kind of rapid two-level human detection algorithm based on the interested area was proposed in the paper, the coarse-level classifier was obtained via using the cascade training of multi-scale direction feature and Adaboost to extract the possibly human interested area, the decomposition and dimension...

Abstract. Objective: To observe and study 2D- STI technique to investigate the coronary artery disease after PCI in patients with preoperative left ventricular myocardial systolic function improvement, and it is provided the clinical to evaluate the effect of PCI surgery more accurate quantitative indicators....

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...

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...

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...

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...