Advances in Engineering Research

Under the influence of heavy rainfall, the slope of a high cut appeared local slip collapse. In order to systematically evaluate the stability level of the slope, the strength reduction method was used for numerical analysis, and the slope stability coefficient was determined to be 0.815, which did not...

The object of this research is the profile of the wheels of the 50 tons capacity coal transport train, the Babaranjang Train, which is operated by PT Kereta Api Indonesia (Persero), or PT KAI, in South Sumatra, Indonesia. The Babaranjang Train uses a wheel called as Roda Golongan DD, with a slope profile...

The cube compressive strength and splitting tensile strength of16groups of hybrid fiber Reinforced and Slag replacing concrete (HFRSSC) were tested by orthogonal test method. The effects of basalt fiber, carbon fiber and slag on the mechanical properties of HFRSSC were studied. The test results show...

The integration of digital signal processing (DSP) techniques into smart grids has greatly improved power quality detection, fault diagnosis, and system stability. This paper examines the use of DSP methods such as digital low-pass filters, adaptive filters, Kalman filtering, wavelet transform, sparse...

This study aims to evaluate the performance of compressor valves in the food refrigeration system on board KL. 02 Sultan Hasanuddin. The background of this research is based on the frequent damage to compressor valves, which results in decreased cooling system efficiency, making it difficult to maintain...

With the rapid development of mobile communication technology, 3G mobile communication technology boom has not yet subsided, we have ushered in a more secure, more efficient, faster 4G mobile communications technology. The rapid development of 4G mobile communication systems and channel coding schemes...

A pot experiment was conducted to study the effects of photosynthesis of Chinese cabbage under AlCl3 stress, and different concentrations of abscisic acid (ABA) solution about 1, 5, 10 and 20 mol-L-1 were sprayed, control was sprayed water on leaves. The results showed that sprayed ABA could improve...

We propose a novel scheme to probabilistically transmit an arbitraryunknown two-qubit quantum state with the help of two partially entangled states. In this scheme, theteleportation with one sender and two receives can be realized when theinformation of non-maximally entangled states is only available...

vertical cracks may propagate through the whole dam under water pressure, which exist on the upstream of 18th section in Danjiangkou Dam. To solve the problems, stress intensity factor method of fracture mechanics is adopted, combing with three-dimensional finite element method. For different cracks...

The Context-aware computing in internet of things plays an important role in extracting useful information from a large amount of data. In this paper, through analysis on the characteristics of information in internet of things, using existing internet situation cognitive computing technology, the authors...

During the development of the high-voltage power grid, the emergence of electromagnetic loop in the network is inevitable. To ensure the normal operation of the grid, it needs to deal with the problems brought by electromagnetic loop with scientific methods. In this paper, the impacts of the electromagnetic...

This article provides the design of multi-stage radio frequency power amplifiers which adopt transistors made of semiconductor materials of the third generation on the basis of taking into consideration criterions referring to efficiency, bandwidth and linearity. The first step is to conduct an experimental...

The paper analyses the main features of coal mine system, and construct coal mine safety system dynamics model by using the system dynamics theory from the angle of enterprise’ safety management level. And it also make data quantitative analysis about the model by non-linear regression method, draw the...

Compared to onshore wind power, offshore wind power has a relatively short history. The offshore wind potential in China is about 3 times larger than onshore, yet China had not dedicated into offshore wind research and development until recent years. China has the incentive to construct offshore wind...

With the growing popularity and in-depth of scientific monitoring work, players' body shape has become a basic everyday work for the current athletic teams, in which the monitoring of immune system index is an important part of daily work, so the comprehensive inquire system on the immune system index...

The effects of Cyphomandra betacea seedlings intercropping with four hyperaccululator plant species (Bidens pilosa, Solanum photeinocarpum, Galinsoga parviflora, and Tagetes erecta) on soil enzyme activity under cadmium (Cd) stress were studied by a pot experiment. The results showed that intercropping...

In order to improve the accuracy and the convergence speed of the sphericity error, an improved teaching and learning algorithm is proposed to evaluate the sphericity error. Based on the basic teaching-learning-based optimization, the initial solution quality is improved by logistic chaotic initialization;...

The dynamic topology of a mobile ad hoc network poses a real challenge in the design of routing protocol, especially in high-dynamic environments. In this paper, we proposed a new routing protocol which based on on-demand and greedy forwarding. This protocol proposed three opinions to RGR, i.e., through...

Inductively coupled plasma optical emission spectrometric approach(ICP-OES) is used to determine the lead content in pyrotechnics used for fireworks and firecrackers. Element of lead is commonly found as impurity in chemical materials used for pyrotechnics in fireworks and firecrackers. Statistical analysis...

Mix design of recycled aggregate pervious concrete for construction is introduced. The effects of aggregate binder ratio and water cement ratio on the compressive strength and flexural strength of recycled aggregate pervious concrete were studied, The result shows that the compressive strength of the...

Ensuring a safe working environment within underground cable maintenance manholes is critical due to the frequent accumulation of hazardous gases, such as ammonia (NH3), which pose significant health risks. This study proposes a novel annular jet ventilation system and evaluates its pollutant removal...

Because digital systems are developing rapidly, efficient arithmetic components are needed, especially absolute value detectors and arithmetic logic units (ALUs) for signal processing. However, the traditional design based on Complementary metal-Oxide-semiconductor (CMOS) has many limitations in terms...

Oil as a basic food requirement is often misused by irresponsible individuals, such as lard mixed in palm oil. This is certainly detrimental to society. Indonesia which has a majority Muslim population will have a big influence on the authenticity of oil. FTIR can be an alternative way to distinguish...

In this study, epoxy resin modified waterborne polyurethane (EWPU) modified emulsified asphalt was successfully prepared by using self-made EWPU emulsion. Firstly, the optimal dosage range of EWPU was determined based on the evaporation residue content, remaining amount on sieve and storage stability...

This study investigates the driving mechanisms of land use conflicts in resource-based cities. By combining qualitative analysis with quantitative models (multiple linear regression), we identified stakeholder behaviors through questionnaire surveys (360 distributed, 95.8% valid responses). Key social...

This study addresses unmet logistics demands in semi-structured environments such as residential communities, industrial parks, and hospitals, where conventional systems lack adaptability. These settings feature large footprints, access control barriers, and time-sensitive, low-capacity delivery requirements....

Meta-heuristic approaches, particularly population-based methods, are used to solve NP-Hard problems in the search for near-optimal solutions. In highly combinatorial problems, due to the presence of numerous cons- traints, these population-based methods are expensive in terms of generating feasible...

Natural and local materials play a crucial role in conservation and environmentally friendly building practices, particularly in the construction of Bajo tribal houses along the coasts and small islands of Indonesia. This study investigates the utilization of these materials in Bajo stilt houses, which...

The focus of this research is to implement FFmpeg video compression to improve performance and storage efficiency in the Digital Knowledge Repository System. Various applications can be used to compress video files, with FFmpeg being one of the most popular. In this study, FFmpeg was implemented as the...

The influence cause of boron steel sheet on size precision is studied, which is contained with additional drawing stress, emergency ratio, board deep, plastic modulus, subdued point, sclerotic index, crushing force, curvature radius and so on. In order to lay the further foundations of optimizing design,...

It is interesting to test the solvability of nonlinear differential equations. In this paper, a new mathematical model passes through the test of solvability on computer. To test the solvability of the mathematical model, Mathematica 4.0 software system combined with a subsidiary equation method is utilized....

In this paper, a novel ant colony optimization (ACO) simulation platform is developed by MATLAB/GUI toolbox to solve traveling salesman problem (TSP). The modular design concept is applied to divide platform into four main modules. The function modules are designed by using MATLAB/GUI toolbox. The development,...

Critical infrastructures are very important tools which are paramount to the development of any nation. Therefore, it must be protected and catered for. Information and Communication Technology (ICT) critical infrastructures are significant amenities which the nations depend solely upon in order to run...

The study examines the relationship between corporate social responsibility (csr) disclosure quality and sell-side analyst forecast error and optimism using multi-level capital markets in China. Results suggest that csr disclosure quality contributes to decrease analyst forecast error and optimism; furthermore,...

Implementation of G.729E Speech Coding Algorithm based on TMS320VC5416 G.729E algorithm is an excellent speech coding algorithm. G.729E designed to speech with background noise and even music, it will be widely used in multimedia communication. This paper introduce the base algorithm, and it is emphasized...

In this paper, a membrane separation device is proposed and demonstrated to be able to lyse cells and extract intracellular protein and DNA. The device consists of cell pretreatment chamber, microfiltration unit, membrane separation unit, fluid reservoir unit and control units. The pretreatment method...

The microstructure of as cast Mg-RE (Mg-Gd, Mg-Y, Mg-Gd-Y and Mg-Gd-Y-Nd) alloys and that after heat treatment were investigated. The results show that the primary solidified precipitated phases of both Mg-Gd and Mg-Y binary alloy were coarse aberration eutectic microstructure pattern. For Mg-Gd-Y ternary...

Two-dimensional dynamic response of orthotropic media under rectangular coordinate system was studied. With displacement component of the basic unknown quantity, the dynamic equations were drawn for orthotropic media, and the dynamic responses in time domain for orthotropic elastic media under harmonic...

The electrical system is an important component of equipment for tracking and controlling, so its fault will have a great influence on the performance of equipment for tracking and controlling. The electrical system structure of equipment for tracking and controlling is complex, with various types, so...

Due to the scarcity of the characteristics of land resources, the number of ultra-high-rise building and underground engineering is becoming more and more in the town and its surrounding area, coupled with overexploitation and use of groundwater in some areas, the deformation of engineering and construction...

For the construction of the diversion tunnel discharge capacity problem, the difference of the starting point between the theory of uncertainty and the traditional deterministic theory is analyzed. The discharge capacity is affected by a comprehensive variety of factors, including the cross section area,...

A new method for modeling shrinkage of a biomass particle is presented with the unreacted-core-shrinking model and shrinking core model for coal combustion. 2D model of biomass pyrolysis in a moving bed was established. The simulation was carried out with open source code MFIX by using Eulerian-Eulerian...

In order to improve the automation of capacitor package, conceptual design and fuzzy theory is applied to establish evaluation system of the riveting device and evaluation index system of hierarchy analysis, resulting in a variety of design schemes, and finally, through the individual level relative...

Visualization study of two-phase flow in serpentine anode flow field of a liquid-feed direct methanol fuel cell (DMFC) was performed, and also the internal temperature characteristics of the flow in the DMFC have been studied in order to investigate the effect of important operating parameters. The results...

Shanxi loess tunnel has the characteristics which are numerous and complex geological. This paper simulated the construction process of loess tunnel by the finite difference software FLAC3D, analyzed the influence on the tunnel roof longitudinal settlement and horizontal ground surface settlement by...

It is usually to see that oil pipelines usually pass through suburbs areas and urban areas. And it is necessary to pay compensation to private properties owners when the pipelines occupy some private properties. Meanwhile, the unit costs of different section pipelines are different because the production...

In this paper, we propose a parallel HEVC encoder scheme based on multi-core platform, which provides maximized parallel scalability by exploiting two-level parallelism, namely, the frame level parallelism and the CTB level parallelism. Inspired by the intra-CTB row level parallelism of WPP in HEVC,...

Stratified rock cut slopes for e.g. shale-sandstone-siltstone layers are a common occurrence in some part of the Himalayas. These rocks are highly jointed and bears low strength to sustain significant engineering load. A similar geological condition exists in the north eastern Himalayas (Aizawl, Mizoram)...

In reference [1-4] discuss the stack's shared technology, the most frequently-used in stack's shared technology is the double-ended stack. But traditional double-ended stack always define the maximum storage space of it, which causes the wasting or lacking of storage space. Here we discuss and implement...

The heterogeneity of porous features and different phases, especially porous features are important in the performance of ceramic coatings as thermal protection. In evaluation of mechanical properties of porous composite coatings by using nanoindentation, the effect of heterogeneity needs to be clarified....

This paper presents the application of Internet of Things(IoT) RF technology in automatic testing for energy metering devices. Taking the verification process of current transformers as an entry point, we analyzed the application background of RF technology in transformer asset management and automated...

Nowadays, with the improvement of people's living standards, automobiles have become the preferred mode of transportation for people. According to statistics, the number of automobiles in China and even the world each year has grown substantially, which has greatly improved people, s living standards....

The problem of increasing the efficiency of diesel engine fuel equipment is quite urgent due to the introduction of new environmental standards stipulating limited sulfur content in the fuel, which leads to the increase in the friction of precision pairs of fuel supply equipment and as a result causes...

Calcium granules are known to form in the yolk sacs of fertile pigeon eggs at late stages of incubation. The appearance regularity, mineralization and demineralization position and tracking of calcium granules with the incubation process are investigated. Polarized light microscopy was used to observe...

Micro-mesoporous composite material MOF-5@HMSS was synthesized by "in-situ" synthesis during the synthesis of MOF-5. The synthesized composite materials were characterized by XRD and SEM. The adsorptive capacity of thiophene compounds in simulated fuel with MOF-5@HMSS materials was investigated using...

This paper develops a new class of stochastic differential games in which the state dynamics and the players' payoff structures in the future are unknown. Information about the future will be revealed stage by stage. Adapting to the new environment players revise their strategies accordingly. A new technique...

The feasibility of rotary ultrasonic face milling (RUFM) of ceramic matrix composites was evaluated experimentally in this study. Preliminary experimental results show that, comparing with conventional grinding (CG), RUFM can reduce cutting forces dramatically though with a little enlargement of surface...

It is crucial to make it clear that how to implement smart growth theories effectively into city design around the world. To begin with, six factors are selected from the aspects of economy, social equity and environment. Then we the fingered out the weight vector by using AHP. Based on the ranking vector...

This article had briefly introduced the structural characteristics of aluminum honeycomb sandwich panel and its application in some field firstly. The Low-velocity impact resistance of aluminum honeycomb sandwich panels under variable parameters was studied. The influence of structural parameters, such...

With the change of the large power grid's security and stability situation, the technical requirements of the power plant excitation system modeling and power system stabilizer (PSS) setting are continuously improved. In order to analyze the operation status of the excitation system of the grid-connected...

Field experience verifies that even when good insulation coordination studies and well-accepted insulation design practices are applied, power transformers suffer dielectric failure as reported in the literature. The analysis of the failures and prevention of transformer require comprehensive knowledge...

The purpose of this research is to identify deeply on how Automatic Ticketing System can assist the flow of passengers and vehicles in the Port of Merak to the Port of Bakauheni smoothly. In this case, the automatic ticketing system has made the movement of passengers from the port of Merak to the port...

The promising purpose of wireless body area networks have brought a new paradigm in many aspects such as healthcare, lifestyle, and entertainment. One of the most popular sensors is the accelerometer which meant to monitor movements of its user. With the help of MEMS technology, an integrated chip which...

This study investigates the critical interplay between structural safeguards and human behaviour in ensuring fire safety and emergency preparedness in high-rise buildings within Ghana’s rapidly urbanising context. It seeks to identify the key physical and behavioural variables that contribute to, or...

The study of wind resistance of inertial mass damper mainly relies on theoretical analysis and numerical simulation, but lacks experimental verification. For this purpose, an innovative inertial mass damper is designed, whose mechanical topological form is similar to tuned viscous mass damper (TVMD)...

In this paper, we proposed a novel videometrics system application based on binocular stereovision. And we successfully measured three-dimensional (3D) deformation of the solar wings plane. Videometrics [1] has its inherent advantages in solving these problems, which can provide a non-contact, automatic,...

The evolution and the origin of known systemic ecological-economic interactions, which is especially important in the modern conditions of "technocratic" mode of production characteristic of the coal industry of Kuzbass, are examined in the article. The purpose of the research is to establish the transformation...

Five-axis CNC machining has been widely used in complex parts with free-form surfaces. An integral impeller is taken as the research object of the paper. First, the NC machining process and cutter path planning of the integral impeller are studied; Second, the post-processing algorithm of the five-axis...

A method for the determination of acrylamide in roasted coffee by UPLC-MS/MS was established. Acrylamide was extracted with water, and clean up on a HLB and MCX SPE cartridge, separated on a C18 column using acetonitrile-0.1% formic acid as mobile phase, and then detected under multiple reaction monitoring...

The aim of this paper is to study ample semigroups by using natural partial orders on abundant semigroups. After giving some properties and characterizations of abundant quasi-ideals on ample semigroups, we prove that there exists an idempotent-separating good congruence on an abundant quasi-ideal of...

Under the background of “Internet +”, strategic emerging enterprises must make themselves embedded in the enterprise value network to gain sustainable and healthy development, but it is difficult for decision maker to make the embedded choice effective. From the perspective of “cognitive dissonance”...

Literature review and field survey had been done, and the domestic and foreign laws and regulations on the waste of substation are summarized, and the method or the way of the waste disposal in various substations are listed. By comparing with the advanced management experience of Japan, the United States,...

The topography of the foreland thrust zone in western China is complicated. In those areas, the mountains are steep and the loess layer is thick, which cause the quality of seismic data in these areas is poor. With continuous research in recent years, the quality of seismic data has been improved to...

UV corona on power system can reflect the location of the fault and the severity of the fault, the traditional UV and infrared detection equipment can only use the band and the visible light band image of the power system fault detection. In this paper, a power system fault detection system based on...

This paper presents the methods of synthesis for speed systems control of induction motor drives, which in accordance with the principles of vector control are represented as a dynamic multi-input/multi-output object. Under the influence of uncontrolled signal and parametric disturbances, the synthesized...

It is unavoidable of the complex coexistence of gas, water and oil phase in the underground gas storage which is built after the late water flooding of the high water cut sandstone reservoir. This paper does experiments of setting and unsetting pressure of multicycle injection-production experiment using...

VRV system is a more effective and energy-saving central air-conditioning system in office buildings due to its variable load modes and flexibility in adjusting refrigerant, compared with all-air air-conditioning system and air-water air-conditioning system. Nevertheless, VRV system is less applied to...

The talcum powder was employed for the single modification of waterborne ultraviolet (UV) curing wood coatings, through optimizing process parameters to prepare the waterborne UV curing wood coatings. It was found that when talcum powder content in Waterborne UV curing wood coatings was at 2.0%, the...

Based on statistical data of National Statistical Bureau of China, and given the least-squares fitting of Legendre polynomial, the data of total energy consumption from 1978 to 2014 is analyzed by least squares method and Legendre polynomial least squares method respectively. The results showed that...

The earthquake emergency succor is a system engineering with cross-sectoral, multi-disciplinarity and multi-domain, which needs a rapid emergency response capability. The earthquake emergency rescue geography support platform construction conception has been put forward based on the earthquake emergency...

A tracking algorithm by adaptive waveform design of generalized frequency modulation (GFM) is researched in this paper. According to the tracker’s dynamical requirements, the transmitted waveform for the next time step is adaptively designed based on GFM pulses as a sample waveform, in order to minimize...

It analyzes the common bifurcation categories in active distribution network; based on the active distribution network's wind field system model, it changes the reactive power parameters of its load model and conducts studies on the influence brought by reactive power on voltage stability based on bifurcation...

With the coastal shipping traffic in our country more and more developed, Coastal Waterway Traffic Safety is very important. Traffic lights is an important lights to guarantee the security of shipping, but because of the complex and changing of the offshore environment, therefore to develop a remote...

By aiming at the situation of applying the existing intelligent algorithm to the cloud computing job scheduling and giving analysis and comparison, it proposes the method combining K value clustering with genetic algorithm. The improved genetic algorithm with the solved individual fitness in genetic...

On March 12, 2017, in the Qingyishan area of Dandong City, a number of multi-point accidents with similar accidents occurred in a short period of time. Through the accident investigation, it was found that white powder adhered to the surface of the failed power equipment. After the accident, the white...

Aiming at the optimal operation of single-stage pumping station in the multi-stage pumping station with small buffer pool, on the basis of the research work at the present stage of long-distance multi-stage pumping stations, the objective function , Head flow and other constraints within the single-stage...

The results of the research are concerned with multiobjective optimization of low-rigidity corrosion-resistant steel parts grinding, based on the models of multivariate dispersion analysis with error standards minimization.

The paper proposes the social potential of rural areas. It gives the comparison of the quality of the population life of different countries through the criterion of expenditures and consumption of home economics. It also compares the rates of introduction of residential houses and improvement of housing...

In view of the damage or explosion phenomenon of metal oxide surge arresters (MOA) in the current power system, which is easily affected by external factors, this paper will study the online monitoring device for metal oxide arresters. Throughout the research process, the author begins with the basic...

In order to improve the accuracy of the air duct rotating bending fatigue life test, basing on the related standards of aviation ministry and other types of rotary bending fatigue machines tailstock home and abroad, a 4-DOF adjusting device, which can move along X and Y axis in the horizontal plane and...

Jambi Sub-basin is a sedimentary back-arc basin in Sumatra with the numerous geodynamic processes of the extensional basin. It is a prospect and producer of hydrocarbon Sumatra, Indonesia, and it’s part of the South Sumatra Basin. The presence of trachy basaltic lava on the Sabak (Jambi Sub-basin), Tanjabtim,...

One of the main supports in the development of green tourism is green accommodation. In early, Balinese style building was designed with totally green concept with adequate natural environment. However, in recent years, Balinese style buildings considerable has weaknesses in terms of structure and materials...

Mass transportation plays a vital role in reducing carbon emissions and enhancing sustainability in urban environments. This study focuses on analyzing bus availability through simulation to optimize the efficiency and effectiveness of public transportation systems. The simulation model represents passenger...

Commissioning of ventilation and air conditioning (HVAC) systems in metro stations is essential for operational readiness but faces significant challenges, including tight schedules, high workloads, and frequent failures. This paper analyzes three typical commissioning issues encountered in a provincial...

Reasonable parameters are the keys to ensure a system normal running and good operation, the simulation step response curve can verify the accuracy of the system parameters and the control quality of a system. As a combination of fuzzy control and PID control, Fuzzy PID control system involves many parameters,...

In this paper, we propose a network recharge platform for public transport smart card based on mobile devices. The proposed platform is to cater the great need of smart card recharge services as the number of user growth. The architecture of proposed platform includes intelligent device, network recharge...

Low carbon city refers to promote low-carbon economy, realize low-carbon emissions. First of all, challenges of low-carbon city economic development in Zunyi are analyzed. After that, conceptual model and design idea of index of low-carbon urban economy are given. Finally, some policy suggestions are...

In the network environment, the query efficiency of spatial object Top-k query algorithm is an important index to measure the performance of the query. Because in the practical application of query location is often mobile, using the traditional snapshot query to deal with the efficiency of mobile query...

we report on the investigation of effective SiO2 passivated layer deposited at low temperatures. Comparison with the unpassivated photodiodes, at 77 K, the dark current density is reduced by one order of magnitude is achieved by introducing SiO2-passivated layer deposition technology at a lower temperature...

In this work, we report an approach to prepare helical nanofibers via co-electrospinning. The results of the experiment demonstrate that Composite spinneret is necessary for the formation of helical fibers. The off-centered system could produce more uniform helical structures. In order to explore the...