Advances in Engineering Research

Current standards in the field of self-propelled machinery for forestry require equipping tractor cabins with roll-over protective structures (ROPS). It is necessary to reduce the risk of operator's injuries caused by tractor rollovers or falling trees. This study deals with the investigation of forest...

Ground settlement laws and its control measures attract comprehensive attention in urban rail transit construction, particularly in soft soil area with shield tunneling method. Phase 1 of No.1 rail transit project in Ningbo is constructed by earth pressure balance (EPB) tunneling methods. In this paper,...

Computer numerical control technology is mechanical movement with digital information and work process control technology, data processing is the reverse engineering of important technical aspects, which determines whether the subsequent model reconstruction process easy and accurate manner. In this...

An industrial experiment and simulation modeling have been conducted in order to study process optimization possibilities. Regularities of multiphase agricultural technological process functioning on the example of harvesting transport system were the object of the study. The regularities appearing during...

The composite packaging bag is widespreadÿused in packagingÿindustry. In the past, the production of it is mostly done by manual, so manufacturer want to use automated machinery to improve efficiency and reduce intensityÿofÿlabor. The pneumatic and vacuum system as a important part of this product need...

The bottom of the crude oil storage tank is eroded by the sedimentary water for a long time, the main source of which is the ballast water in the ship's transportation. In this paper, sedimentary water was simulated with 3.5% NaCl solution.The structure of self-made ceramic particles modified epoxy coating...

A modeling research is conducted for a coaxial hydrothermal combustor. The single eddy-dissipation model and finite-rate vs. eddy-dissipation model are used comparably. The latter is proved to be more precise to reflect the flow-reaction feature near the nozzle and able to predict the ignition and extinction...

Ionic liquids (IL) have attracted recent more attention to consider adverse impact on living organisms and ecosystems. This study used took zebrafish as an aquatic living model for investigating the acute toxicity of benzothiazole-based ILs on fish. Zebrafish were exposed to five different concentrations...

Structural damage detection and diagnosis is a very important factor of the structural safety. In order to improve the application of artificial intelligence algorithms for structural damage detection, we try to wavelet analysis and artificial immune algorithm to combine the analysis by finite element...

Work as a lecturer is highly risk because of the workload, stress and unhealthy eating patterns or lifestyles as well as levels of welfare that are not proportional to performance demands. Recently, there has been an increasing number of premature deaths due to non-communicable or degenerative diseases....

In this paper, the digital modulation methods and their applications are reviewed, which provides a reference for the design and optimization of digital communication systems. Firstly, introduces digital modulation method of ASK, FSK and PSK modulation method and its characteristics. ASK modulation transmits...

As the core load-bearing system of modern large-scale buildings, complex spatial steel structures play a pivotal role in enhancing engineering efficiency and quality through intelligent optimization technologies. This paper addresses prevalent issues in current steel structure joint design, such as low...

Object detection and tracking technologies in robotics have gained prominence in industrial and warehouse processes, offering increased efficiency, safety, and productivity. Robots equipped with these technologies excel in replacing humans in repetitive tasks, allowing individuals to focus on more complex...

Brain necrosis in mice can be triggered by injection of streptozotocin (STZ), causing nerve cell injury that can trigger neurodegenerative diseases. Centella asiatica (L.) Urban is one of the herbs whose triterpenoid compounds have neuroregenerative activity, so it is widely used as Centella asiatica...

The demand for self-compacting concrete (SCC) has been growing due to its superior workability and ability to flow and fill complex molds without mechanical vibration. This research investigates the production of SCC using locally available materials in Bangladesh, focusing on generating a volume-based...

The wind is a natural resource that will always exist and will not run out. To convert wind into electrical energy that is useful for humans, it takes a Wind Turbine machine. Renewable Energy Design laboratory Untirta has a wind turbine called the Sultan Wind Turbine. This turbine requires a guiding...

Currently, parking management is implemented for four-wheel vehicles in the form of a barcode system printed on paper as identification of parking exits. This system has a weaknes i.e. the barcodes are easily damaged or lost. A parking system using an RFID card as vehicle identification with a reservation...

The paper studies the concept and characteristics of the information system general framework, designs a general development framework of web based information system, and gives the detailed design based on MVC pattern of the middle layer of the framework.

In this paper, the wind resistance coefficient of low-pressure steel core aluminum wire with different opening angle is measured by wind tunnel test under different wind speed conditions. The results show that when the wind speed is below 35m / s, the wind resistance coefficient of the wires with different...

Railway green construction is one of the important measures to realize the sustainable development of railway. At present, the research on the evaluation standard of railway green construction is still in the exploration stage. Based on the "green construction evaluation standard of construction engineering",...

A compound with cation chains and monomers, [Co1/2(bpbenz)1/2]+ [Co1/2(oba)] (1) (bpbenz =1,4-bis(pyrid-4-yl)benzene and H2oba =4,4'-Oxybisbenzoic acid) has been synthesized under hydrothermal condition. Single crystal X-ray diffraction analyses reveal that in compound 1, the monomer [Co1/2(oba)] anions...

This paper presents a multi-spectral infrared image processing method, including image recovery, radiometric and geometric correction. Image recovery including pixel filled, positive and negative dislocation correcting sweep, reverse sweep consistency correction, within spectrum response consistency...

We take heat transfer between water and air and heat dissipation capacity of bathtubs into consideration and discuss the influence of bathtub shapes on temperature. We keep the temperature of bathtub in 39 degrees Celsius.We assume that the bathtub's capacity is the same and try to find the best shape...

Underground mine gob area is a kind of potential geological disasters, this paper studies the formation and propagation of the Rayleigh-channel wave under the condition of existing mine gob area, using three-dimensional inhomogeneous isotropic medium wave equation and solving the elastic wave equation...

In this paper, necessary conditions for strong law of large numbers for -mixing sequences are obtained, which require low mixing speed.

In order to overcome the shortcomings of the traditional mixing device, a new type of multi-purpose fluid mixing device is developed which has the reasonable design of mixing chamber, baffle and flow structure through the principle of fluid mechanics. The new multi-purpose fluid mixing device can mix...

The freight demand on Daqin Railway is growing yearly, but the maintenance scheduling is almost based on field experience, which makes great impact on transport capacity. Based on maintaining theory, this paper focuses on modeling and algorithm, offering scientific maintenance scheduling for Daqin Railway....

The influence of partial substitution of Fe by Co on the glass forming ability and soft magnetic properties of the Fe71-xNb6B23Cox (x=1, 2, 3, 4) metallic glasses were investigated using X-ray diffraction (XRD), differential scanning calorimetry (DSC), and vibrating sample magnetometer (VSM). These glassy...

MOIL Ltd. (formerly Manganese ore India limited) operates 10 mines. Out of this 7 mines are underground. Chikla mine is one of the underground mines. The mining method employed here is horizontal cut & Fill. The present paper describes the studies conducted to optimize the stoping parameters for better...

The reticle stage in lithographic equipment used to manufacture integrated circuits operates at nanometer accuracy during a scanning process. The modeling errors and external disturbances cause the coupling between multiple degrees of freedom (DOF) of the magnetic suspension short-stroke stage in a reticle...

Based on the piezoelectric and temperature effects of lithium niobate (LiNbO3) wafer, this paper presents a design of a one-port resonator-type interdigital surface acoustic wave-based sensing device with a wireless transmission function for measuring vehicle tire pressure and temperature. The sensing...

In the process of research on the characteristic detection method for large scale network attacks, due to the use of the current algorithm for large-scale network attack detection, it is unable to describe the attack characteristics of network attacks or detect in low accuracy. Therefore, an attack detection...

Aiming at the low accuracy of traditional forecasting methods such as linear regression method, this paper presents a prediction method for predicting the relationship between bridge steel box girder and its displacement with wavelet neural network. Compared with traditional forecasting methods, this...

By using the human motion capture system for mechanical sensors, this paper makes the virtual actor is imitated in real time in Motion Builder and the motion of the real performer is imitated accurately. A set of human motion capture virtual interactive system is designed. This system mainly involves...

Based on the demand of island mapping, this paper analyzes the necessity of island mapping by aerial photogrammetry. Based on the key technical problems of island aerial photography, A3 aero-photography is used for island aerial photograph. This paper studies the route design, image processing and production...

The result becomes worse and worse with the increase of multicycle huff and puff. In order to stabilize the oilfield production in tight oil reservoirs, this study proposes a new development method which integrates CO2 huff and puff with factory fracturing technology. Based on the advanced seepage mechanics...

The paper solved the ordinary differential equation initial value problem on computer by MATLAB, using methods of Euler's method, improved Euler method and classical Runge-Kutta. It can draw a conclusion that simple error of Euler method principle is bigger, the calculation amount of improved Euler method...

Individual traditional buildings are widespread in the Central Asian region up to day. There are special building methods and guidelines are developed. The total number of individual buildings intended for housing is more than 2 mln. One type of traditional housing is “sinch”. More than 30% of structures...

The lead-acid battery is one type of rechargeable battery that is widely used by the public. Lead-acid batteries have many advantages, including lead-acid batteries that are easy to find and relatively inexpensive. However, the problem that is often faced by lead-acid battery users is that the user does...

In modern Building Information Modeling (BIM), precise boundary extraction is crucial for terrain construction and model generation. Addressing the limitations of current edge detection methods in boundary extraction from remote sensing images, this paper proposes a novel edge detection model named Efficient...

Technological advances have a broad and complex background, which involves various aspects of history, social, economic, and scientific. Like the industrial revolution that began in England bringing major changes in the way of production. The discovery of steam engines, mass production systems, and the...

In the context of existing transportation operations, cement-graded crushed stone compaction piles are used as a treatment method to address the damage caused by the infiltration of the lower layer of the loess foundation. By conducting numerical simulation analysis on this semi-rigid composite foundation...

Ghana’s urban environments are increasingly burdened by tyre waste, with limited strategies for sustainable reuse. At the same time, cities face a growing deficit in accessible, eco-friendly public seating infrastructure. This study explores the viability of utilizing rejected car tyres as a primary...

The text mainly matches with the graphics element to convey the theme of advertising and information and the graphic design of text itself is an important manifestation technique of the creative. This article illustrates the image of the text in graphic design, from three aspects of the text graphics...

Low ambient temperature destroys of dry-type air ore reactors often occurred in recent years. In this paper, single encapsulation dual winding reactor models have been prepared. X-Ray inspection has been performed for inner damage examination after destroy by short-circuit under low- ambient electrifying....

By analyzing the specific case of dam, we can determine the location of the new dam with using the model -- Analytic Hierarchy Progress (AHP), which figures out the result by three main criteria and each criteria is related to two or three sub-criteria. We get the proportion of three main criteria through...

Thermoelectric generators(TEG) is considered as a promising technology for utilizing low-grade thermal energy, while the cooling system plays a key role in TEG. A two-dimensional numerical model of jet impinging jet cooling is developed based on the commercial code FLUENT. The influences of several factors...

Crop straw is a valuable renewable resource, which holds great potential to be developed further. The estimation of the yield and collectable amount of crop straw is a foundation for its comprehensive utilization. Based on the output of major farm products, the collectable amounts of different kinds...

Establishing the model of the shallow lake ecosystem with stochastic excitation, with the stochastic averaging method and nonlinear dynamic theory, the model of the shallow lake ecosystem with stochastic excitation was simplified. Based on the Stratonovich-Khasminiskii stochastic average principle and...

Wind energy as an inexhaustible green energy is the development trend of the future. Wind turbine bolts play an important role for the service safety of wind turbine, and have become the new promising product of the fastener industry in the world. But because of the high strength bolt connection failure...

Mechanical behavior of granular media is important in many fields of studies such as the deformation of soil, slope stability, or the bearing capacity and so on. The mechanical behavior of granular media has been studied by borrowing the stress-strain models, such as elastic, elasto-plastic, or plastic...

The study about protection and recycling of existing buildings in the historical blocks is very hot. At the same time,the transformation of the existing building’s performance is the trend of green building’s develop. This study include the reshaping of the functional value and the improvements of performance....

Thermal dissolution (TD) of Shengli lignite was carried out in isometric solvent of methanol and ethyl acetate (EA), methanol, and EA to offer the thermally soluble fractions 1-3 (F1-F3), respectively. F1-F3 were analyzed by gas chromatography/mass spectrometry and direct analysis in real-time ionization...

Hectorite has been designed and synthesized by hydrothermal way, which is used for removal of methylene blue (MB) from aqueous solution. The experiment data was analyzed using pseudo-second-order kinetics, intra-particle diffusion and film diffusion. The characteristic parameters for each model have...

In this paper, we adopted natural rain experiment method to study the transformation of the change of raindrop speed and diameter with time and the results indicated that the rain intensity change strongly with time at the natural rainfall. At the natural rain,the raindrop speed mainly at 0.4-8.2m/s...

This paper studied doubly fed induction wind power generation system and modeld its wind turbine and generation. The vector control algorithem was proposed to conduct MPPT (Maximum Power Point Tracking) strategy. An experimental platform was built based on DSP of TMS320F28335 series.The experimental...

Reverse logistics is a relatively new field in logistics research and has always been enjoy the reputation of environmental logistics. Coal production not only has relatively large pollution for the environment and serious waste,but also there are plenty of recyclable materials. The introduction of reverse...

New energy has developed rapidly under the current background of coping with energy crisis and environmental changes. However, new energy generation such as wind power, photovoltaic, etc. is characterized by randomness and intermittency, and new large-scale new energy incorporation brings new power to...

Lithium-ion battery (LIB) technology further enabled the information revolution by powering smartphones and tablets, allowing an unprecedented performance of these devices against reasonable cost. Currently, this battery technology is on the verge of carrying the revolution in road transport and energy...

After coal mining, rock movement, fracture and stress redistribution of roof and floor surrounding rock are caused and mining-induced fracture field is formed. The fractured zone formed in overlying strata is an important channel and space for gas discharge and storage. The efficient gas drainage can...

In this paper, we developed a fault diagnosis algorithm of solar panel for solar street light. It measures from solar panel's open voltage to load voltage at the cut-in and saves that voltages characteristic curve in memory. By comparing the steady state curve with saved curve, the solar panel's fault...

In order to investigate the vibration characteristics of the object in the nondestructive test using thermosonics, the device for measuring vibration micro-displacement was built based on the laser displacement sensor and the ultrasonic excitation equipment. On this basis, the vibration displacement...

Internet of things (IoT) is technology that can make the devices communicate with each other and can be controlled from everywhere. Through this IoT technology, the smart lamp was made so the human can control the lamp in their house from everywhere and the lamp can work automatically based on the environment....

When the actual project adopts the traditional flow construction method to organize the flowing construction of different steps and beats, there are usually defects such as longer planned duration, or the dominant construction process cannot be operated continuously between the layers. In order to effectively...

Convolutional Neural Networks (CNNs) are widely used in deep learning because of the power of convolutional operations. However, the convolutional layer often becomes a performance bottleneck when performing complex computations, especially in resource-constrained environments. To address this problem,...

Laser ablation in liquid has become increasingly more popular due to it’s short preparation time, no need for hazardous chemicals, a wide selection of nanomaterials, and it’s properties that can be easily tuned by adjusting parameters in the ablation process. This research compares the production rate...

With the development of technology and the requirements, the requirement on materials performance is more and higher in all walks of life. Especially in aerospace and other high-tech industries is more demanding mate-rials with high temperature resistance, erosion resistance and other characteristics....

Through the course of the economic cycle and the development of urban real estate industry analysis process, economic development, in-depth study of the real estate cycle fluctuations and macroeconomic volatility relationship, trying to figure out the development of the real estate cycle and links between...

It's urgently needed to solve the "Engineering water shortage" problem cause of serious leakage of surface water, poor water resources availability and difficult water resources utilization in Karst area in Southwest China. To reasonable evaluate water resources security situation in karst area, this...

Ultrasonic vibration cutting (UVC) as an advanced technique has been widely used in order to increase productivity and stabilities in machining of difficult-to-cut materials. The authors presented a chatter monitoring and signal processing system for turning a slender workpiece. A suitable tool nose...

This paper proposes a new starting and low speed control method of sensorless control for permanent synchronous motor (PMSM) based on high frequency rotating voltage signal injection. This method can control the motor starting from standstill and running in low speed no need to distinguish the polarity...

With the rapidly developing of electrified railways; the power quality problems caused by traction power supply system have been increasing taken into account by railway and electricity department. In order to evaluate power quality, the models based on PSCAD/EMTDC of typical traction power supply system...

Currently existing residential buildings energy-saving are include two ways: reform of building envelope and reform of building heat metering system. The study of building envelope energy-saving technical measures includes: wall insulation, window glazing, roofing insulation, However energy-saving for...

In this study, we report on the electrical and optoelectronic properties of field effect transistors based on multilayer MoSe2. The multilayer MoSe2 device showed a room-temperature mobility of 27.3 cm2 V 1 s 1 and possessed a high gate modulation larger than 105. We obtained an ultrahigh photoresponsivity...

This essay put forward an analysis solution on the basis of the computer software-Matlab, from the output and input of the dynamic circuit system's mathematic establishment to the solution of the mathematic model of differential equation. It make use of the high quality numerical of calculation function,...

Due to the current explosion of the network traffic generated by content production and dissemination applications like popular video, Content-Centric Networking (CCN) has been the topic of recent research. In-network caching for CCN is expected to achieve an adaptive content delivery in the network...

As a kind of sustainable development mode, energy-efficient building and green design is not only the ideal way of the new rural development of China in the future, but also the direction of the world’s development. When taking the green energy-saving design practice and application of the new rural...

This paper applied UVM (Universal Verification Methodology), an advanced verification methodology which was based on SystemVerilog language to build AES (Advanced Encryption Standard) IP verification platform and environment. Functional verification of the AES module, through a large number of testcases...

Based on the elastic foundation model and wave theory as well as fluid mechanics theory, considered of the influence of flow velocity in the pipe, vertical force of buried water supply pipeline are analyzed under the action of seismic wave. The bending moment and stress formula are derived, and the vertical...

Sliding joints are very often used to reduce shear stress in foundations if this shear stress arises. This paper explains and demonstrates reasons for application of sliding joint in to foundation structures and its basic function. The laboratory tests of modern sliding joint are introduced too. At the...

For the first time, the philosophy of information puts forward the world view of “the dual existence of material and information” and reclassifies the area of existence. It’s viewpoint of “existence = material + information” establishes the theoretical origin of the information ontology and clarifies...

In this paper, the structural design of the three-axis turntable mechanical platform of flight simulation is mainly carried out. The structure and driving mode of the simulation turntable are selected. By reading the literature, the selection of the frame material of the shaft and the selection of standard...

Production of safe and high-quality milk with the disease of cows with mastitis is the relevant objective. In the production of milk, it is necessary to strictly observe the technology and the veterinary and sanitary rules for milking, to carry out timely diagnosis and treatment of cows with subclinical...

Urban lakes water quality and quantity is affected by many factors. And there is a correlation between the various indicators of water quality and quantity. This paper selects the water temperature, pH, dissolved oxygen, chemical oxygen demand, permanganate, BOD, ammonia nitrogen as the main indexes,...

Gas Station Z is a retail entity selling various fuel products such as gasoline (pertalite, pertamax) and diesel, the demands of which were fluctuating. Such a fluctuating demand often contributed to a condition in which customers failed to get the product at the right time. In addition, the gas station...

Multiple-choice test is one of the most widely and popularly used tools to evaluate students’ competence and knowledge. This type of test mainly used at various levels considering its efficiency, reliability, and the easiness in the standardization process when compared to other types of tests. But unfortunately,...

The recent Covid-19 pandemic has shown that transportation has a significant role in creating a healthy society. Human mobility can be tracked and traced to map the spread of infectious diseases using screening, tracing, and tracking methods through policies and applications. This momentum has accelerated...

Tailings is very important facilities in mine enterprise production. Tailings dam safety related to the safety of life and property of the dam downstream residents. Therefore, they pay more attention on the safety of tailings dam. According to the need of tailings safety monitoring, the ZigBee communication...

In this letter, a novel scheme which can realize high-speed optical signals transmission and reception by using 4-pulsed amplitude (4-PAM) modulation and demodulation in 10 Gb/s free-space optical (FSO) systems. In this scheme, one PAM sequence generator module, one M-element pulse generator (MPG) module...

Wireless Sensor networks is a dynamic domain develop innovative applications linked to a specific environment, and to the challenge of designing totally autonomous communicating objects. The aim of this work is to define architectural operational solutions able to maximize the lifetime of these sensor...

According to main circuit characteristics of chopper cascade control system under steady state, and system speed characteristics, mechanical characteristics, differential equations of main circuit of chopper cascade control system is established under state-space averaging method. Using the second-order...

AES key expansion algorithm doesn’t have one-way property, and it can’t prevent the sub secret key reverse. So an improved algorithm of AES key expansion based on Iterative-Compression was proposed in this study. The algorithm confused initial key by cyclically shifting, and then the 128-bit key iteration...

In the launching processes of Rod-less Cylinder ejection device, the pressure is much higher than the air critical pressure, and the temperature can deviate significantly from the Boyle temperature. In such situations, the thermo-physical properties and pneumatic performance can't be described accurately...

Shooting stability is an important factor in the performance of wheeled vehicle artillery combat, has always been the focus of the artillery designers. The mechanical properties of the soil are the important factors that affect the stability of the artillery. In this paper, the vibration problem of the...

System in package（ SIP） is characterized by any combination of more than one active electronic component of different functionality plus optionally passives and other devices assembled preferred into a single standard package that provides multiple functions associated with a system .this paper introduces...

Carbon emissions' measure and share is basis of many low carbon electric technologies, only the carbon emissions of every participant is specific can the enthusiasm of taking part in electric system emission reduction be motivated. In this article, a calculate method of electric system carbon flow is...

According to the arrangement mode of ship anti-heeling airbag and the principle of various connecting and fixing modes, the corresponding connection device is put forward, and the force condition of the connection device is studied, and the strength of the connection device is analyzed. The results show...

The article reveals the cause of road accidents in the passing direction on the federal roads of the Krasnoyarsk Territory. Analysis of the composition of the traffic flow showed that 50% of cars in the Russian Federation are not equipped with the ABS system. Studies of the magnitude of the braking distance...

Based on the power formula, this paper studies the performance standard of IP multicast performance evaluation. Firstly, the paper analyzes the performance target of IP multicast application. And then, two kinds of performance evaluation criteria were put forward, one of which is based on throughput...