Advances in Engineering Research

Safety incidents involving autonomous driving are on the rise with the increasing integration of artificial intelligence (AI) in this sector. Consequently, research on the safety performance of AI-based autonomous driving systems is gaining significance. This study delves into relevant security incidents,...

In order to satisfy the requirements of the complex environment of plateau on the use of concrete mechanical properties and durability performance, this paper designed three different mix-ratio concretes of 30% fly ash, 30% fly ash + 5% silica fume slurry and 30% fly ash + liquid internal curing agent....

Timely and accurate identification of the causes of safety accidents is very important for preventing accidents from happening again and improving the efficiency of safety management. However, a large number of complex and heterogeneous unstructured and semi-structured safety accident text data will...

This research aimed to inspect the ballast volume to determine the ballast volume deficiencies based on the initial ballast condition from the railroad As-built drawing by using Total Station and Ballast Regulator. The case for this study is a 1.007 km long railroad in which the analysis and calculation...

Expansive soil has a significant cracking tendency under arid environmental conditions, leading to numerous engineering hazards. To study the methods of inhibiting cracking of Nanning expansive soil, a desiccation cracking test was conducted on the soil samples improved by biochar and sisal fiber composite....

In this paper, the preparation methods of aluminum-magnesium alloys are reviewed. The three methods of preparation of aluminum-magnesium alloys are introduced: the mixing method, mechanical alloying method, electrodeposition method. And the advantages and disadvantages and characteristics of three methods...

With the improvement of mechanical construction level of China, the organization planning of construction equipment in the mechanical construction is more and more important, while the construction organization measures of mechanized construction for transmission line are lacks of related research at...

In many applications, the function of spelling error checking and auto-complete according to the user's input is very popular. The spelling error checking algorithm based on the dictionary is very fast to find the word written correctly, but need to recalculate the edit distance of a large number of...

Global navigation satellite system (GNSS) spoofing interference can mislead the target receiver in reporting wrong position, velocity and time results, which is a serious threat to the security of GNSS applications. Localizing and destroying the interference source is a complete way to clear the threat....

By selectively oxidating the cotton, part of the alcoholic hydroxyl group is oxidized to an aldehyde group, then use cross-linking agents or glutaraldehyde to make it react with the amino on collagen protein to produce imide, thereby allow the collagen firmly bind with cotton fabirc to obtain cotton...

A new face recognition method is proposed by using total variation minimization and Log-Gabor filter. First of all, facial images are transformed by total variation minimization model. Secondly, the facial feature is extracted by Log-Gabor filter from the result of the former transformation. Then, dimensionality...

In this paper, two inverse vibration problems of constructing a grounding spring-mass system from its two eigenpairs and part of spring stiffness are considered. The vibration system is constrained to satisfy a relation that the total mass of system is a constant, and the problems are transferred into...

Android platform has gradually become the most popular mobile terminal operating system, while the number of software applications based on which is also quite amazing. At the same time, the security threats are also increasing, and the degree of threat is gradually deepening. Therefore, we need to create...

Emoticons are widely used in the network text, which has enhanced effect for the author's emotional experience and semantic representation. Effective identification of the emoticons in the network text has great significance to sentiment analysis, public opinion survey and commercial investigation. Through...

On the basis of the social force model,we studied various factors which could affect pedestrian escaping from the room on the emergency occurred in a square room (such as fire) .By Simulation the effect of the pedestrian's desired escape can be abtained.The relationship between the average speed and...

When disassembling and checking the outer cold water pipeline of the third cooling tower in Tianshengqiao Station, we found that the scaling circumstances of the outer cold water pipeline inwall of the 1# tower, 2# tower and 3# tower are very different from that of the radiating coiler. In the 3 cooling...

In this paper, the influence of the number of bearing expanded-plate on the concrete expanded-plate pile is studied under horizontal force. Through the ANSYS software, the calculation model is established and analyzed on the basis of the comparison of the straight hole pile with the same length and the...

Abstract: This paper considers channel estimation for mmWave communication with massive received array antennas at BS. Instead of estimate the channel matrix, we resolve the problem into two steps. Firstly, one could separately estimate DOA, on the basis of the array signal processing techniques, and...

Based on the theory about the electrostatic, the non-uniformly distributed load and the coupling between the electrostatic force and the deformation of the flexible beam are considered, the deformation analysis of the electrostatic driven flexible beam is done, the mathematic model about the deformation...

With the development of rapid prototyping technology and computer technology, the rapid molding technology and the computer technology is more and more close. Based on the model of 3D data field capture, then according to the software conversion of STL format entity triangulation of 3D data and stratification,...

In mining production, the slope’s stability is one of the decisive factors of safe production of mine. Security issues and economic losses caused by slope’s instability were immeasurable. Predict the slope’s deformation according to the monitoring data of slope’s displacement is an effective and feasible...

Traditionally, the pot used in cook-stoves have been constructed without paying much attention to their heat gains, while in the process of heat transfer with high temperature flue gas, it will lose a lot of heat. In sight of that, this paper introduces an improved pot with the incorporation of scientific...

Provincial level and Local roads comprise nearly 50% of the road network in mileage in Sri Lanka. They play a pivotal role in providing access to the local communities especially in rural areas and an essential component of the economic development of those areas. These roads are under the purview of...

Aiming at the problem of the two stage supply chain disruption in the JIT production system, this paper first puts forward a disruption management rescheduling model based on non-complete-trust, with cash compensation negotiation mechanism. The time of delivery and the amount of cash compensation as...

The (2,1,7) convolutional codes have become the standard encoding method of satellite communication system. Based on an optimized structure, a low power (2,1,7) Viterbi decoder with trace-back length of 32 is presented in this paper. New structure of add-compare-select(ACS) unit is exploited to reduce...

As a seismic method, rolling friction isolation has been born for over a century. Because of the increase of research interest, it has developed rapidly in recent years. Rolling friction isolation system according to the different types of roller can be divided into rod rolling friction isolation system...

According to the national air pollution control plan, the output of generators in Beijing power grid will be decreased, which may lead to voltage stability becoming worse. In order to analyze the changes of static voltage stability under minimum output mode, the impedance modulus margin index and sensitivity...

Based on the CFD method, the numerical analysis of the box girder of Gulongshan Bridge is carried out.The static wind coefficient of the bridge box girder under different working conditions is extracted,The influence of the static wind coefficient on the wind speed, the angle of attack and the beam height...

The hybrid membranes for pervaporation of ethanol-water mixture were prepared by filled Lampung natural zeolite (LNZ) into cellulose acetate (CA) casting solution in the varied ratio of CA:LNZ (30:0, 30:5, 30:10, 30: 20, 20:20 and 40:10) wt%. The effect of zeolite addition on the resulting membranes...

A literature review is one way to gain academic insight based on previous research literature. The academic insight that can be obtained is the newness or originality of the research. The paper-based on the literature also presents the process based on the framework followed. Various fields of research...

This paper presents a single-element antenna designed using a jute substrate material. Measured dielectric parameters of the jute material are considered to design the antenna. The shape of the antenna element is considered circular. A circular-shaped defective structure is introduced at the upper portion...

Roads are infrastructure access that is intended to move people/goods from their place of origin to their destination. Good roads will provide smooth infrastructure access and provide a high access rating. Assessment of access and smoothness of a road will affect the assessment of its structural and...

The problem of waste is of great concern because it affects the cleanliness aspect and social issues that can cause conflict within the community. Judging from the rapid development of Samarinda City, it has a profound impact on environmental problems. The method used in this study is a qualitative approach,...

Coconut commodity has significantly contributed to Indonesia as a foreign exchange source through exports. Typically, farmers process coconuts into copra. On the other hand, the potential of other coconut derivative products still holds considerable opportunities for further exploration. Innovation in...

Based on the 4R crisis management theory, this paper presents a comprehensive analysis of the extreme heavy rainfall event that occurred in the Beijing-Tianjin-Hebei region from July 27 to August 2, 2023. This torrential rain resulted in severe flooding, leading to significant casualties and property...

This paper investigates the intrinsic mechanisms of the scaling effect in concrete penetration, validated by a high-velocity experiment. We identify fixed-size coarse aggregates as the fundamental cause for the breakdown of geometric similarity, which leads to this effect. A 2D mesoscopic finite element...

This research aims to analyze the key benefits of implementing Change Data Capture (CDC) in enhancing real-time data availability, particularly in the context of digital transformation. CDC enables instant data updates, which play a crucial role in reducing data latency and improving organizational operational...

Financial resilience is an important issue today. COVID-19 pandemic that has occurred since 2020 causes household finances adversity due to financial shocks. The Indonesian Political Indicator states that most Indonesian experienced a decrease in household income in February 2021. The fact is that many...

Design flood discharge analysis is required in the planning of water structures in a watershed. The unit hydrograph method is commonly used in designing flood discharge calculations that require rainfall data in the analysis. Current technology makes it possible to use satellite data as an alternative...

This paper introduces some effective methods about gas and liquid flow visualization simulation in complex pipeline network with the purpose of decreasing the dependence on the topology of the pipeline network. A method was proposed to define the parametric information of the topology of pipeline network...

With the development of Internet of things, multi-source heterogeneous data of a large number of sensors exist in the Internet of things. How to refine and encapsulate these heterogeneous data is one of the bottlenecks in the development of the Internet of things. In this paper, the data platform uses...

An experimental setup for adapting the absorption mathematical model (M.I. Shilyaev) in the Venturi scrubber for finding the phase equilibrium coefficients by debugging the algorithm in absorption processes of SO2 extraction by water was developed. The elements of basic equipment were calculated: Venturi...

With development of computer and network technology, people access to the Internet grew exponentially, data become an integral part of people's life. More and more companies begin to use load balancing and database replication technology, to ease the pressure on access to network devices and ensure data...

A novel measurement system for gas sensing materials is designed, and is suitable for sheet shaped or unpacked materials. Except for protecting powder materials during test procedures, this system complements the protection of brittle materials which is increasingly popular. The system has two working...

In this paper,peroxidase-like catalyst was prepared by organic synthesis. The removal of elemental mercury in flue gas and the effect of single factor experiments were carried out in a simulated flue gas system. The result shows that mercury removal efficiency could reach 70.6% when 30% hydrogen peroxide...

This paper investigates the fault detection problem for networked systems based on passivity theory. By developing the filtering-based residual generator satisfying passivity, sufficient conditions can be established for ensuring that the fault can be detected in time. Finally, an illustrative example...

The ordinary poly(ethylene vinyl acetate) (EVA) resin can’t meet the requirements of encapsulating photovoltaic (PV) modules, so the service life of them has not been prolonged for 25 years. The chemical modifications of EVA were studied in this paper to improve the properties of PV encapsulants. It...

Silk/poly(lactic acid) (PLA) blend fabric is a new textile material, and it suffers from hardening in the process of wet and dry heat treatment. Softening treatment usually becomes a required process to compensate the loss of softness. In this work, the softeners having different chemical structures...

Based on the observed data of soil water content (SWC) at farmland from May to September in 2009~2012, the statistical characteristics of SWC in farmland at different soil depths (from 0 to 150 cm) and different months in the growing season (from May to September) in Korqin Sand Land were analyzed. In...

Through the analysis of urban rail transit train traction energy consumption system, the main influencing factor of the traction energy consumption can be determined, but its incomplete information, which is a typical grey system. This article according to grey relation theory, establish a urban rail...

A new kinematics rapid modeling method for N-degree-of-freedom (DOF) serial tendon-driven robotic mechanisms with N, N+1, and 2N configurations is proposed in this paper. Introducing the tendon-routing matrix (TRM) and equivalent radius matrix (ERM), which gotten by observing the routing topology of...

Traditional collaborative filtering algorithm based on item and K-means clustering algorithm are studied, the parallel algorithm of collaborative filtering Item-based on MapReduce is proposed by using MapReduce programming model. The algorithm is mainly divided into two steps, one step is K-Means algorithm...

The Gonghe basin in north-eastern Qinghai-Tibetan plateau of China is a potential geothermal field, where there have been some hot springs discovered in recent years. The seismic and magnetotelluric sounding (MT) inversion results in this area show that there are deep crustal fractures which might be...

Earth pressure is the main load acting on the foundation pit support system, which is the result of the interaction between soil and retaining structure. Based on the different displacement modes of the retaining wall under the active earth pressure condition, the finite element method is used to analyze...

The use of acoustic emission technology of prestressed concrete beams damage monitoring research, obtained the prestressed concrete beam damage acoustic emission monitoring of real-time data; according to the value of the acoustic emission energy parameters of acoustic emission, reveals that the bearing...

This paper firstly analyses the necessity of constructing low-carbon emission system in China and put forward the concept of reducing carbon emission by transferring freight flow from road to railway. The methods of releasing the capacity of railway are studied emphatically, including the cost of freight...

In view of the traditional processing defects of histogram image, this paper proposes a new histogram equalization algorithm about second generation wavelet integer transform. Firstly, the method of three level lifting was used to improve to the wavelet integer transform and to extract the low frequency...

Weather information is relevant to people's life, but also directly affects the development of all walks of life. So, how to quickly effective monitoring meteorological information is an important research aspect of contemporary society in the development of science and technology. This design was based...

The radar interference effect evaluation method is a research hotspot in the field of radar countermeasures. In a complex battlefield environment, the assessment of interference effects by a single indicator usually does not reflect the actual state of the battlefield. Aiming at the complexity of radar...

To evaluate the effect of genetically modified cotton planting on soil microbial community structure, four cotton materials, genetically modified cotton 013011 (drought-resistance), SGK321 (insect-resistance) and non-transgenic cotton TH2 (drought-resistant receptor) and Shiyuan321 (insect-resistant...

According to the ballistic missile infrared hyperspectral endmember extraction problem, a hyperspectral endmember extraction algorithm based on the non-negative matrix factorization is studied. This algorithm is solved based on the alternating least square. The signal separation and extraction ability...

The large-scale exploitation and utilization of mineral resources not only brings great economic benefits to mankind, but also produce a series of geological disasters and environmental damages. Traditional monitoring methods require a large number of samples to be collected in the field and take a long...

Phytoene dehydrogenase (PDS) is an important enzyme in carotenoid biosynthesis. Here, the Brassica oleracea var. capitata PDS (BocPDS) gene sequences were obtained from Brassica database (BRAD), and preformed for bioinformatics analysis. The BocPDS1 and BocPDS2 genes mapped to chromosomes 3 and 4, and...

Nowadays, the broadband demand increases dramatically, therefore, the optical fiber communication core network have to develop for larger capacity and longer distance. In view of the construction of DWDM(Dense Wavelength Division Multiplexing) transmission system, the combination of FRA(Fiber Raman Amplifier)...

Cu2ZnSn(1-x)GexS4 (CZTGS) Single crystals have been produced within a sealed quartz ampoule via molten salttechnique using CsCl as the molten flux. The synthesized crystals have been analyzed with X-ray diffraction (XRD), Raman, scanning electron microscope (SEM), energy-dispersive X-ray spectroscopy...

OFDM-MFSK is a robust multicarrier scheme for transmission over fast fading multipath channels. The disadvantage of OFDM-MFSK is a lower spectrum ef ciency. In this paper,we investigate the spectrum efficiency of OFDM-MFSK system and proposes a OFDM multitone FSK modulation scheme. The spectrum efficiency...

In the computer network system, due to the continuous expansion of the application of information storage, the information resources of the network are increasing rapidly. The amount of information transmitted through the network continues to grow and a lot of data storage technology becomes more and...

Embroidery is a kind of world-wide art with a long history and a splendid culture. Crafts-making of the embroidery in China can be traced back to over 3,000 years to ancient times. However, modern techniques for creative embroidery is characterized by using embroidery machine instead of traditional crafts....

The rapid development of data analyze needs high data quality requirements. The data quality also determine the software quality. This paper proposes a test data deisgn method for evaluating data quality. The paper analyzes the data quality requirement model of typical software applications, considering...

Urban microclimates are closely related to the indoor living environment of residents. Factors affecting microclimate are diverse, including building design, urban form, urban heat island effect, and climate change. However, most study ignored the interaction of multiple factors and only considered the...

Generally, long wave propagation numerical models are used to model the propagation of tsunami waves, which both are caused by volcanic earthquakes and tectonic earthquakes that occur in the middle of the sea. In this research, the time and height of tsunami wave propagation are presented and simulated....

This study presents a comprehensive chemical and mineralogical analysis of a zinc oxide ore, and investigates flotation methods and collector agents for its beneficiation. The results indicate that the primary valuable mineral is smithsonite, while the gangue minerals include dolomite, limonite, quartz,...

This paper systematically explores the application of membrane distillation (MD) technology in pharmaceutical engineering for medicine resource extraction, as well as its potential development. The article first outlines the fundamental principles of MD technology and its advantages over traditional...

Outcome-based Education (OBE)-based learning has been implemented to improve the quality of education. One of the important things is to measure the achievement of PLO. The aim of this study is proposed an alternative method of measuring PLO which is measurement carry out used Self Organizing Map (SOM)...

This work focuses on the research and creation of smart syringe pumps for use in telemedicine applications. Delivery of fluids into the patient’s body, including medications and nutrients, in a controlled environment is an important prerequisite for treatment that requires precise flow control. Telemonitoring...

This paper summarizes and discusses the electronic control technology and mechanical structure technology involved in the development and design of AGV (Automated Guided Vehicle), a branch of the rapidly developing robotic technology, and prospects its future development based on the progress and trends...

Currently, the stable optical interference type methane detector performance, long life, but due to manual reading, the low degree of automation, before the test, in order to prevent the emergence of large temperature changes in pressure calibration zero drift, scale values and must be Location temperature...

Efficient mixing of pulverized coal and calcium carbonate particles inside precalciner is important due to the reason that the mix process directly affects the final coal burn-out ratio and calcium carbonate decomposition ratio. The focus of this paper is on the gas-solid flow and pulverized coal combustion...

This paper studies the modified projective synchronization of complex system, focusing on fractional-order hyper-chaotic nonlinear system. Based on the stability theory of nonlinear system and control method, effective scheme of synchronization for complex system is designed. Numerical simulations results...

Phones are the most important part of people’s life nowadays. The investigation found out that mobile phone users always take phones with them when they going out. The frequency of using phones is quite high, people checking their phones almost every 10 minutes, playing phones for a while every an hour....

Effect of wireless LAN technology to China mobile and portable communication is enormous, mainly using wireless LAN network unlimited channel signal transmission. WLAN has information transmission convenient network of flexible benefits. This paper discusses the recent rapid development of wireless LAN...

Study on chloride ion adsorption and combined with the characteristics of sea sand concrete,through the determination of free chlorine ion content in sea sand concrete. The sea sand concrete microstructure and Friedel salt were characterized by using X-ray diffraction (XRD) , scanning electron microscopy...

The aim of this article is a presentation of the results of laboratory tests and numerical and analytical modeling of timber-concrete composite beams with semi-rigid joints made of steel plates and convex nails. Due to good quality of used materials, composite timber-concrete constructions are considered...

It was in 1994 that Taekwondo was officially introduced into China. After that, Taekwondo was put on the list of China's Ninth National Sports Games. Just a few years, China achieved so outstanding results in the Olympic Games as to promote Taekwondo's rapid development in China. The development during...

Commercial DSA anode was employed for electrochemical oxidation treatment of coking wastewater, and the effect of electrolytes, working potential, and ultraviolet irradiation were examined. An effective removal of chemical oxygen demand (COD), thiocyanate (SCN–), volatile phenol and total nitrogen (TN)...

Recent years, more and more company have focused on their human resources management, and separation becomes a very important factor. This thesis analyzes the influence of separation rate on company, so as to manage company better. First, we apply Analytic Network Process to construct a dynamic model,...

Various network architectures are evolved into the next generation wireless system to provide better services, such as wireless mesh networks (WMNs). However, single radio node mesh operating on a single channel suffers from capacity limiting. Multiple radio nodes mesh can obviously improve the network...

Modeling of the turbulent convective heat transfer to supercritical pressure fluids in horizontal circular tubes is achieved through an integral approach, and a traditional mixing length turbulence model is employed into the numerical scheme. Based on this model, heat transfer of supercritical carbon...

From the observations of caving of the overlying roof rock in longwall panels it can be inferred that the caving is dominated by the weak parting layers, laminated nature and massiveness of the roof rock formation. This caving process is controlled by the presence and geo-technical properties of strong...

Experiment with intensity level for the LC30 ceramsite concrete as the research object, changing the content of cement, waste glass,HPP fiber, steel fiber by the orthogonal test to configure waste glass hybrid fiber ceramsite concrete samples, test them compressive strength in order to find the main...

Software anomaly behavior detection depends on the software behavior modeling. The key of software behavior model based on system call is the maturity level of the model. Based on the analysis of currently used software behavior modeling method, Combined with variable-length sequence model and VT-Path...

Microwave has been used to enhance the removal of refractory organic contaminants from wastewater, but there are few studies about its use in landfill leachate. Mechanism and superiority of microwave irradiation are not completely clear in Fenton process. Here, removals of COD, UV254, chroma and fluorescence...

Flow over a backward facing step has been one of important research field in fluid mechanics. By simulating the flow over a backward-facing step and analyzing the instability of fluid in different blowing and suction cases, the mechanism of structural damages and the principle of vortex shedding were...

Coffee beans produced by Indonesian farmers are known as “asalan” (unfermented) coffee and has a bad taste. The aims of this research to increase quality of Robusta coffee bean with fermentation using kefir starter. It is one of processing methods of coffee by soaking the coffee beans and then adding...

The problems arising from the backflow of proppant, rock particles, non-decomposed liquid from hydraulic fractures into the well bore are considered in the paper. The urgency of developing a device for flushing out in the horizontal well after formation hydrofracturing is proved. It is shown that solidified...

The study covers the optimization of physical and mechanical properties and operational characteristics of fiber concrete that include complex influence of a binding agent on structure formation. The optimal composition of concrete ensuring the maximum static and dynamic strength was selected (impact...

The gas industry in the country is the main energy system of the Russian Federation. The main extent of the pipelines unifying the gas supply system (UGSS) is about 700 000km. Out of the trunk, transport systems of gas are 150 000 km, and the distribution lines of the gas supply systems are 550 000 km....

we utilize the first law of thermo dynamics Fouriers Law and Calorie formula to derive the heat conduction equation and to discuss the temperature of the bathtub water in space and time. Firstly, we set time as a constant. In space, we projected the temperature distribution equation to the three planes...

First briefly illustrates the importance of electronic shelter shielding stability, and introduces the principle of electromagnetic shielding; through the calculation of the electromagnetic shielding, summarizes the factors affecting the effectiveness of electromagnetic shielding shelter; finally put...

Aiming at the fact that present environment monitoring systems of ammunition depots have costly wire arrangement, remote monitoring, low reliability and are not able to monitor environment data timely. In this paper, sensor nodes with the core of STM32F103VE chip was designed and the Wi-Fi transmission...