Advances in Engineering Research

In order to meet the requirement for the automatic cultivation bed matrix filling for potted vegetables in production, a cultivation bed matrix filler, consisting of the enclosure, rotating device, filling device, compacting device and control system, is designed with SolidWorks. The result of the trial...

This research is aimed to analyse and determine the level of customers' satisfactions towards Commuter line service. This is a descriptive quantitative research. The data collection was done by literature study, field study, observation and questionnaires distribution. The data came from questionnaires...

The Logging While Drilling (LWD) calibration is one of the fundamental controls to ensure reliable formation evaluation data in an oil and gas drilling. There are many different calibration types in logging tools, one of them is density-neutron calibration. A study case conducted in one oilfield service...

The application of steel slag in pavement subgrade can not only improve the comprehensive utilization of steel slag, but also help to reduce the consumption of natural sand and gravel materials. In order to analyze the influence of steel slag fine aggregate on the road performance of cement-stabilized...

In order to study cube compressive strength of recycled lightweight aggregate concrete, with the change parameters of replacement rate of recycled lightweight coarse aggregate, 15 standard cube test blocks were designed and produced to carry out compressive strength test. The failure process and failure...

Three recycled concrete beams with the different gradation of coarse aggregates under concentrated load are presented. By using fractal theory, the distribution of the surface crack growth of the recycled concrete beams is analyzed. The results indicate that the surface crack of three recycled concrete...

Site investigation and monitoring on public buildings in Nanjing, analyses on the status and existing problems. Put forward the objective and principle of green transformation, raised the appropriate greening technology reform and seismic strengthening technology. The energy consumption of buildings’...

Gongan Changjiang combined highway and railway bridge is a steel truss beam cable-stayed bridge, which main span is 518m, In this paper, the behavior of the bridge under wind is systematically studied by analysis or by wind-tunnel model test. The wind characters at bridge location are analyzed. The vibration...

Laser cladding is mainly applied in components renovation, coating, stacking forming, etc. At present, the degree of automation of laser cladding is not very high. Machine vision technology is gradually becoming a good approach to improve the automaticity. Utilizing machine vision to measure and control...

The paper presents a color interpolation method for Bayer filter array images based on direction flag. The proposed algorithm determines four edge patterns defined through direction flag by four nearest green values surrounding the green interpolation location. Firstly, Bayer differences between multichannel...

Geospatial information with the feature of multi-source, multi-space-time, multi-semantics, multi-scale and diversity of data formats, makes geospatial information sharing a complex issue, For this reason, to resolve spatial information sharing is the key to spatial information applications and services....

Based on the operation of a Ground Source Heat Pump (GSHP) in Hefei, the heat exchange of the 100m depth vertical u-shaped pipe buried in the ground was analyzed, and the heat transfer performance, efficiency of the system and temperature variation of the ground were studied experimentally under the...

Visual Development Technology has been more and more attractive in the field of Modeling and Simulation with its intuitive features. As the scale of Parallel Discrete Event Simulation (PDES) enlarges, Researchers are becoming focused on how to integrate existing simulation entity models into PDES Application...

The control valve is widely used in the steam turbine, rely mainly on the motion of the valve stem changes the relative position of other t-rims, to achieve the purpose of regulating the steam quantity. Currently the control valve in service often occur the fault as a result of the valve is difficult...

The diffraction properties of transient holographic gratings recorded by two 532 nm laser beams were investigated in nematic liquid crystals doped with Disperse Red 1. A nearly 30-fold enhancement of the first-order diffraction efficiency as a function of heating time was obtained when the sample temperature...

Objective: To study the effects of pine bark procyanidins extract on blood glucose, blood lipid and antioxidation in diabetic mice. Methods: Diabetic mice model was made by intraperitoneal injection of Streptozotocin (STZ). Diabetic mouse were randomly divided into model group, Metformin group (250mg/kg),...

This research focuses on children affected by ADHD, aiming to decode patterns using clinical, behavioral, and fMRI data. The team used ML and DL models such as multilayer perceptron, XGBoost, and LightGBM and then took the best instances of each model to then ensemble them into a hybrid ML model. This...

The ultrasonic waveform significantly impacts the atomization rate of Dynamic Mesh Atomizers (DMA) by influencing the energy delivery and droplet formation process. The energy transmitted to the liquid can be optimized by adjusting the amplitude, frequency, and shape of the ultrasonic waveform, leading...

Speech-emotion recognition,(SER) is an important category in human-computer interaction as it makes it possible for a machine to comprehend and interpret human emotions. It seeks to determine the categories of emotions elicited through speech signals during social communication. This study focuses on...

Customer loyalty is an important factor in the current rise of Islamic microfinance. This study estimates the loyalty factors through the direct role of perceptions and expectations on trust. This study intends to determine the effect of members’ perceptions, expectations, and beliefs on the decision...

From the aspects of signal conditioning module and data acquisition module, this paper discusses the hardware schematic design of online monitoring and positioning systems for partial discharge of cross-linked polyethylene cables. The correctness and effectiveness of the method disclosed in the paper...

This paper discussed the development process of designated driving application on Android platform, using Android SDK, Eclipse IDE to build and Ali cloud sever for back-stage management, and explained the key technologies of the building of android platform and Ali cloud sever in a further step. By the...

According to the principals of Balanced Scorecard (BSC), we designed the performance evaluation system from five dimensions and evaluated the performance of small and micro businesses microfinance of 8 branches of HARBIN BANK by using Principal Components Analysis (PCA). The effectiveness and practicability...

The human body is a spring-mass-damper system that oscillates up and down while moving. Wearable robots can add energy to the person at an appropriate time to enhance human moving performance and reduce the metabolic cost of performing cyclic tasks simultaneously. We have developed a phase oscillator...

This paper takes (2, 1, 5) convolutional codes as example, disscusses the decoding algorithm for (n, 1, m) convolutional codes according to the principle of the reversibility of the modulo 2 operation.We designed the decoder and the syndrome of the (2, 1, 5) convolutional codesbased on its encoder firstly;...

During the technology process of 3DP fabrication bone scaffolds, the property of binder is a key factor which affects the quality of bone scaffold. In this research, three models of polymer binders were constructed and simulated by a molecular dynamics simulation method. Some properties (such as density,...

The absence of highly tensile residual stress which distributed in laser welded joint is primary factor of decreasing fatigue life. Laser Shock Peening (LSP) experiments were conducted on TC4 laser welded joints of 2.5mm thickness, using circular laser spot with pulse duration of 10ns, laser power density...

AZ31B Magnesium alloy bars were prepared by solid-state recycling with different extruding ratio of 4:1, 11:1, 25:1, 44:1. Shear tests were conducted through designing and preparing shear specimens and fixture. The bonding between chips in recycled magnesium alloy by solid-state process was successfully...

Modern agriculture in Western Siberia requires a scientifically justified approach to selection of soil treatment method. Switching to new soil treatment methods without considerations for soil and climate features of the region leads to unpredicted results and reduced crop yields. The research objective...

The designing and creating rail vehicles with increased power and performance, in the design decisions of which the vibroactive working parts are widely used, are inevitably accompanied by an increase in vibroacoustic characteristics. It leads to the deterioration of the working conditions for locomotive...

In the case of the inclined breakwater covered, the wave force acting on the parapet is reduced. China's "Breakwater Design and Construction Norms", there is stipulation on the calculation of the parapet, when the parapet before the cover and cover the width and height of 2 rows of 2 layers of dolosse...

The high growth of internet has changed the way many social and economic activities are carried out and organizations are now able to provide their services worldwide using e-commerce and digital mediums. Nonetheless, this development has also predisposed users to cyber threats especially phishing which...

Biologically-inspired design, or biomimicry, harnesses natural principles to foster innovation and address engineering challenges. The foundation of this research lies in the observation that nature, through billions of years of evolution, has optimized processes and structures that engineers are only...

Aramid and carbon Fiber-reinforced polymer (FRP) has been widely used in automotive and aerospace industries, due to high-strength and low-density. The development of FRP composite material is needed to achieve higher mechanical properties of FRP in aerospace fabrication, especially for the performance...

The Goodgrant Foundation is devoted to the educational performance of undergraduates attending colleges. A series of realistic, sensible, and useful mathematical model are established to determine the optimal investment strategy of the Goodgrant Foundation. In order to determine the candidate list of...

In order to determine the processing capacity of the airflow and the air conditioning capacity of the position engineering, the heat transfer process of the air and the wall in the project is analyzed. The actual arch engineering is simplified into equal volume square and spherical engineering respectively....

For the problems of the unfairness of the human-computer interface in the process of traditional aircraft virtual assembly, the simulation results are not intuitive and the operator cannot directly observe the changes and adjustment of the parameters during the operation of the control system and so...

Aiming at the problem that signal snapshot data of the target is sparse and conventional algorithm is difficult to obtain the signal subspace ,a new DOA decorrelation algorithm based on improved covariance matrix is proposed. Firstly, the received single snapshot data is pretreated by cross-correlation...

High power transient electric field is coupled into the interior of the electronic system easily. How to detect the field signal and reduce the influence of the field has become one of the most important fundamentality research projects. However, single sensor cannot detect the wide bandwidth signal...

Combining with strengthening engineering of a practical reinforced concrete plate bridge serving for 30 years, the superimposed experiments of four old bridge plates were studied with full size of 4960mm*950mm*220mm. The characteristics of composite members under secondary load stage were analyzed, such...

The Reynolds number of flow field around circular cylinders is usually high under strong wind for most full-scale tall buildings, which is difficult to achieve in most wind tunnel tests. To explore the wind characteristics of tall cylindrical buildings with vertical-equidirectional grooves from subcritical...

When the quadruped robot run high-speed movement, Frequent or large impact force from the ground on the robot system cause significant damage to stability and reliability of the hydraulic system and robot itself. Through decomposition the high-speed running process, the touchdown, slippage, and stationary...

The road performance prediction models of AC-25 asphalt mixture are established through a large number of road performance test,the road performance of AC-25 asphalt mixture is predicted in the design calculation process.The gradation test prediction models are established to identify the skeleton structure...

In this paper, The DC-DC Converter (DCC) has gained popularity with an increase of utilization of renewable energy sources over conventional energy sources. It is easy to operate Hard Switching DC–DC Converter (HSDCC) with rising power losses and deteriorating efficiency than with Soft Switching DC-to-DC...

Farmhouses in the cold regions of China are affected by climatic conditions, energy conditions, the building's own characteristics and farmers' living habits, and many kinds of pollutants accumulate and diffuse in the farmhouses, resulting in poor indoor air quality. Through a combination of...

This article emphasizes the application of Geographic Information Systems (GIS) as a robust and modern tool for environmental monitoring and analysis. Through GIS-based methodologies, key ecological parameters-such as landscape transformations, land cover dynamics, vegetation health, and biodiversity-can...

Rotating cylinder is a major categories of guidance ammunition now. In order to detect the performance of its guidance components, the hardware-in-the-loop simulation test is necessary. Firstly, a platform whose core is a three-axis turntable is established for the test. Then, two experiments are conducted...

We study on the generation of efficient terahertz (THz) wave. This scheme applying cavity phase matching (CPM) optical parametric oscillator (OPO) with a GaAs crystal sheet by CO2 laser is proposed. The THz wave is emitted the nonlinear crystal. We calculated the optimized cavity length in a GaAs crystal...

According to the demand characteristics of urban common distribution pattern development, combined with China's current logistics management system and the development environment, this paper puts forward a new objectives, selection of the policy tools and policy to government in promoting the rapid...

For underground earthen sites in humid environment, its preservation is more difficult than the ones in northwest arid region. One reason is that the changing of existing environment, especially the changing of the groundwater resulting in the local cracks and creep-sliding disease of the underground...

Among methods used for transdermal penetration enhancement of drugs, the application of transdermal penetration enhancers is a method that has been most studied currently to promote the transdermal absorption of drugs, and also the most convenient method. Transdermal penetration enhancers (penetration...

The bridge bearing stress and deformation can eflect the safety of the bridge structure significantly. For bridge bearing status monitoring, identification and early warning technology, in recent years, is an important research direction for structural health monitoring. This paper is based on a model...

The EEG signal is an important tool for the diagnosis and prediction of epilepsy due to EEG containing a large number of physiological and pathological information. Based on alpha rhythm multi-channel EEG (electroencephalogram), this paper applied inner composition alignment (IOTA) algorithm to construct...

The influence of spray casting technique on martensitic transformation temperature, magnetic properties and compressive properties of Ni50Mn25+xGa25–x (x = 0, 1.25, 2.5, 3.75 and 5) alloys was investigated. With the increase in Mn content, martensitic transformation temperature of the spray casting samples...

Visual function in humans degrades during the early stage of senescence beginning from middle 50s to 60s. Generally,it may derive from the general decline of cortex inhibition,which destroys the balance between excitation and inhibition system in the brain.To date, the optimal fitting model of receptive...

To evaluate soil fertility of karst land undergoing rocky desertification (RD), the changing trend of soil microbial biomass properties over the succession of RD were studied by investigating the stands and analyzing the soil samples with four different RD grades in the northwestern Hunan province, China....

In this paper, the combustion features of dimethyl ether (DME) and liquefied natural gas (LNG) have been investigated by theoretical analysis. For the fuel consumption, the heat loss of the waste gas and the NO emission, we find that these indexes of LNG are higher than that of DME. However, the thermal...

Based on the investigation data on Pb in waters in 1984, were analyzed the horizontal distribution, seasonal variation and settling process of Pb in water in the bay mouth of Jiaozhou Bay, eastern China. Results showed that the seasonal variations of Pb contents in surface waters and bottom waters were...

The accurate and practical wind speed model of wind farm is the basis of the relevant research work of wind power prediction. This paper based on the wind farm and the real-time data of wind turbine, put forward a kind of dynamic distribution model of wind speed that consider the wind turbine wake and...

This paper introduces the composition, working principle, hardware and software design of the control device of the economical mine hoist rope winch.The device is controlled by the main control box.For the core, real-time detection of speed signal and winch running information, and can be real-time display...

A movable test system for thermal performance of domestic solar water heating system is proposed to solve the problem that fixed test system has low utilization efficiency of climatic resources. The test system consists of a bus body, closed pipeline system, measurement and control system for temperature...

Adopting Chinese cultural perspectives, especially the symbol of Yin/Yang, we study the issue of environmental protection in a developing country such as China. First, we compare the implications of this symbol with those of a more well-known Chinese perspective, i.e., Confucianism, both of which should...

To reduce the wear of thrust washer within straight planetary gear set, hydrodynamic lubrication design was studied by way of machining grooves in the radial direction into sides of thrust washer. Such grooves can result in a hydrodynamic pressure to separate the contact surfaces and reduce the wear...

Tricycles (“aboboyaa”) are vital and common for transport in Ghana’s rural and peri-urban areas but their internal combustion engines emit greenhouse gases, cause noise pollution, and incur high maintenance costs. This study examines the technical and economic feasibility of retrofitting such tricycles...

Research in flexible materials and conductive nanomaterials has advanced the development of flexible pressure sensors. These sensors combine flexibility while converting pressure into measurable electrical signals. Hence their value in areas such as artificial skin, medical detection, and human-computer...

This system, centered on the YOLOv8 algorithm and designed for UAV platforms, enables efficient identification and positioning of small-sized, long-distance targets in high-altitude environments, with broad applicability in military reconnaissance, civilian inspections, disaster relief, and other scenarios....

Through the establishment the parameters optimization model of milling machine, the optimal solution of the cutting parameters for complex surface is obtained by using some optimization algorithms for parameter optimization. Based on analyzing the main factors influencing on the milling process, the...

When interfered by lateral acceleration or uneven road surface, a vehicle is prone to rollover. In this paper, the active anti-roll bar (hereinafter AARB) is self-designed and a six-degree-of-freedom vehicle dynamic model is established for rollover prevention and ride comfort improvement. In order to...

As a kind of design technique, industrial moulding design has been applying in all kinds of production design, especial the new products. Taking the ZDY Directional Drilling Rigs as a example, the paper gives a detailed description of application and research of industrial moulding design in developing...

Based on the improved electrical betweenness and voltage stability theory, considering the importance of the structure of the grid and the current operational state of the power system, a comprehensive vulnerability assessment model and index based on the method of AHP-grey relation degree is introduced....

Waste derived ceramics were prepared successfully using a constant amount (50 wt.%) of steel slag and a different amount of glass by conventional sintering process. The influence of glass content on sintering temperature was researched. The phase and microstructure of the final ceramics were observed...

The paper overviews directions for electrotechnology treatment of grain seeds before sowing. The hypothesis of the germination enhancement of seeds if treated with corona discharge is presented here. Besides, the description of electrotechnology installation and facilities for it, including manufacturing...

With the rapid development of various kinds of radio access technology, the trend of future network will be the heterogeneous wireless networks environment, where all kinds of networks coexist for their complementary characteristics. On the other hand, the rise of smart terminal and software defined...

The assessment of environmental performance was carried out to identify the environmental impact of three typical solid wood based furniture: A beech wood desk (P1), A white oak-and-fabric sofa (P2), A rubber wood wardrobe (P3). A field research of company's manufacturing plant was conducted in order...

The existing research based on the paradigm of Environmental Adaptation Theory leads to an explanation of entrepreneurial mental process from a extrinsic, historical and static view. They also cannot explain why entrepreneur choose to open a new company themselves instead of selling entrepreneurial opportunities...

Based on Reissner theory, this paper investigates the vibration problems of rectangular thick paltes by applying boundary integral method. This paper presents the concept of the quasi basic system, applies the boundary integral method in it and the actual system, and derives the governing equation and...

In substation equipment charged detection wireless sensor network level, fault prevention and fault occur in the repair system, in all stages of the life cycle of the network, including testing, deployment and maintenance, the need for a lot of human-computer interactive operation. Different operation...

Authores reviewed GABA's physiological functions, preparation methods and the development prospects. Earlier researchers produced GABA by chemical synthesis method. However, it pollutes the enviroment,the reaction is intense, and can't add to the food. Researchers now use microbial fermentation method,...

In order to realize seeding mechanization in vegetable tray seedling, a SolidWorks-based vegetable tray seeder, consisting of the workbench, seeding device, dynamic system and control system, is designed. The experimental structure of a test unit based on this design shows that the machine is able to...

Extracting structured beneficiary information from Corporate Social Responsibility (CSR) reports remains a practical challenge when key data is embedded in narratives shared through platforms such as WhatsApp. Reliable reporting is essential to measure program reach and demonstrate impact. Yet inconsistent...

The solid-state diffusion bonding experiments of the high Nb containing TiAl alloy were successfully carried out at the 1100 under a uniaxial pressure of 30MPa for 45min, and the microstructure as well as the shear strength of the diffusion bonding interface with different surface roughness were investigated....

In order to improve the international level of Xi'an City Wall Marathon, The study analyzes the influencing factors of the operation of 2012 Xi'an Wall Marathon by using the method of literature analysis, questionnaire and mathematical statistics. By finding out the distance that influences the internationalization...

It is necessary to analyze direct connections between injection wells and production wells for discovering superior water channels, researching water flooding effectiveness and flow directions in a single well group. A new method of discriminating the direct connections by applying computational geometry...

Proposing solution to clean water shortage is of great importance to all citizens of the world. In this paper, we analyze and evaluate water supply capacity in a region based on building mathematical model by analytical hierarchy process (AHP) and fuzzy comprehensive evaluation. First of all, hierarchical...

Biomass energy is an important distributed generations and energy production, biomass energy utilization rate is very high. This paper focuses on the biomass power generation, photovoltaic power generation conditions, the load characteristics in Guangxi rural areas, were all analyzed by statistics, build...

The rheologic action of the soft rock-soil could be accelerated by the dynamic load, which induces catastrophe instability failure and more geo-technical engineering accidents and geologic disasters. Marine deposit soft-soil in Xiamen region is taken as the test sample, of which the rheological dynamics...

In this paper, we focus on studying traveling waves for the nonlinear vibrational dynamics modeling DNA, which is modified from the Yakushevich model. The Yakushevich model of DNA torsion dynamics supports soliton solutions, which are supposed to be of special interest for DNA transcription. In the discussion...

Microfinance in China has entered the phase of rapid development and it has become one of the most important businesses in commercial banks. According to the principals of low carbon economy and the characteristics of farmer microfinance of Chinese commercial bank, this paper designed the performance...

Steering system stability of multi-axle vehicle mainly depends on the system's center of gravity position and the tire cornering stiffness parameters of the bridge. Zero side-slip Angle proportional control strategy is used, after many bridge steering system under arbitrary speed can guarantee system...

In this paper “the plane bifilar pendulum model” is proposed to understand excessive lateral vibration of a suspension footbridge under crowd excitation. We use a plane bifilar pendulum to describe a suspension bridge by considering its structural features, which consists of two strings and a central...

A method based on gas chromatography-mass spectrometry (GC/MS) was developed and validated for qualitative determination of five amides in food contact materials. The five amides are acrylamide, methacrylamide, caprolactam, oleamide and stearamide. The linear detection ranges of the method were 5-100...

Cleaning and disinfection of recirculated air of livestock buildings are a critical factor in the formation of an optimal climate for agribusiness. The modern system of cleaning of the ventilation air does not allow one to analyze the composition of the air environment in the entire spectrum of harmful...

A novel mono-stable 4T-SRAM cell is proposed in this paper. The cell is designed in 65nm LPCMOS process and simulated to find out the linear energy transfer threshold of SEU. T-CAD simulation results show that its LETth for data(1) is up to 41.6 MeV/mg/cm2, almost the same as DICE, and the data error...

The concept of Community-Based Tourism (CBT) has been widely used in many tourism destinations worldwide, and one was found in Patengan Village located in Bandung Regency. CBT is proven as an effective approach to create sustainable tourism. The CBT applied in Patengan Village is organized by village-owned...

Virtual Reality (VR) technology is increasingly becoming an important technology. It plays an important role in our daily life. VR technology in general refers to a computer technology that enables the creation and experience of virtual worlds. It has a wide variety use in the fields of education, entertainment,...

In order to analysis the vulnerability of underground deep foundation pit construction system and improve the safety level of underground deep foundation pit construction. Firstly, based on the vulnerability theory, the concept of vulnerability of underground deep foundation pit construction safety system...

This particular narrative study describes two science centres in the east of Java-Indonesia, popular as Infinite World and Fun Tech Zone as Technopark. The study utilises the document analysis, literature study from relating references, observation results and the authors’ view. This paper also explains...

Information is spread quickly in today's tech-connected communication network and we want to know more about the communication networks' relationships. In this paper, an improved scale-free network model of social communication is introduced to simulate the evolution of social communication networks....

Rutile TiO2 white pigment was produced by using low concentration industrial TiOSO4 solution as raw material via short sulfate process through self-generated seeded thermal hydrolysis route. The aging time and F value have significantly influenced the structure and pigment properties of rutile TiO2 white...

Half-Crank Internal Combustion Pump (HICP) is a new type agricultural power machine converting indicated work into pressure energy, whose crankshaft comprises only half a crank, reciprocating inertial forces of cylinders can entirely counteract each other, the structure is simple and compact, the route...