Advances in Engineering Research

Fatigue failure is very common phenomenon in engineering field, and fatigue problem is more and more prominent with the development of modern social production to high speed, high temperature, high strength load. In process of college undergraduate course graduation design and innovative experiments,...

High strength concrete materials have been widely used in bridge engineering. Combined with a high strength concrete girder bridge in Texas of U.S, this paper analyzes the impacts of high strength concrete materials in bridge design. Based on analyzing the economic benefit, it clearly shows the high...

Locks may be inserted during the production of certain auto lock-parts. Warpage of auto lock-parts during injection molding is the most critical problem facing product quality. This warpage is mostly affected by the processing parameters and design of the injection mold. In this paper, the influences...

By means of decrease of hardness, neutralization and desalination union technology, the drained wastewater of industrial circulating cooling water system can be treated. The purified water quality (total hardness and calcium ion components) is greatly better than fresh water, and completely can be reused...

In order to achieve the fast, nondestructive and accurate testing of rice leaves chlorophyll content, the model of detecting rice leaves' chlorophyll content was established by laser-induced chlorophyll fluorescence (LICF)spectroscopy technology and principal components analysis(PCA)combined with artificial...

The access of distributed generation is one of the important functions for future energy management system. In this paper, technologies with information interaction of devices and energy management system for distributed generation “plug and play” access was analyzed. A “plug and play” control model...

The large variety of alternative wall materials currently promises improved construction and comfort in buildings. The use of energy-efficient compounds has received less attention, particularly with respect to simple buildings. Energy in this case involves both cooling and embodied energy types. This...

Salt is an important commodity in the life of a country including Indonesia. Indonesian salt production has not met the needs, so the government issued import policies as stated in the Regulation of Minister of Trade No. 125 / M-DAG / PER / 12/2015 concerning Provisions on the Import of Salt, Protection...

This paper presents the determination of bergenin content of Sechangzhixiesan by high performance capillary electrophoresis (HPCE) method. The borax solution as buffer solution was chosen, and its concentration was 20 mmol/L at a constant voltage of 20kV and injecting time of 10s. Measured bergenin content...

In this thesis, cationic monomer-grafted wood was prepared by using hard-wood chips with channels that can be used for wastewater treatment. The cationic modified hardwood has the ability to adsorb anionic dye wastewater. The cationic modified wood was used for the adsorption of dye wastes. The paper...

These the problem of parking systems on the streets is a classic problem that occurs from year to year, many solutions are offered in solving parking problems on the street. The problem is not only related to congestion due to exit and enter the vehicle from the parking lot but also the problem of parking...

Most of capsule shells commercial production recently from gelatin as raw material, but the application of gelatin in hard capsule shells production can causes controversy. That is the emergence of consumers concern about health problem and religion issues.Total production of seaweed in the world reached...

Ṭam Dil is a natural lake but reconstructed as fish pond at Saitual, Mizoram. The area around the lake enjoys a moderate climate owing to its tropical location. It receives an adequate amount of rainfall. It is also fed by small streams from surrounding catchment area. During the present investigation,...

In this paper, the problems of multi-axis motion controller were analyzed, and then a predictive control method of controlling stepper motor speed for execute G code file was proposed, the principle of the method being analyzed and deduced. The method was emulated in Matlab, being analyzed and compared...

In this paper, the viscosity of different kinds of biodiesel samples was measured at 10 to 80. A model of kinematic viscosity estimation is proposed with very good fitting to experimental data. The optimized empirical formula has the advantages of small relative error, small error range and no obvious...

Trait anger may increase traffic accident risk. In the current research, 9 items of the trait anger scale were translated into Indonesian and used to assess whether the 9 trait anger items were very unfit, unfit, fit very fit with the respondent’s personality. Respondents also asked to tell their accident...

Deterioration of surface water quality is the effect of anthropogenic activities in research areas due to rapid industrialization. The study was conducted to determine the spatial variation of the water quality of the industrial water effluent following the Malaysian National Quality Standard (MNQS)....

The Micro, Small and Medium Enterprises (MSMEs) still have low involvement in being environmentally friendly. Production processes that are associated with environmental pollution, such as the use of hazardous materials, and produce waste that are not properly managed, threaten sustainability. This study...

The Indonesian government is confronted with several issues concerning tourist sites, both local and foreign. This study serves as a support facility for the Borobudur Highlands sector of the Nglinggo-Sedayu Gate. A combined technique is used during the research stage to collect primary data, such as...

The reliability of the thermophysical experiment results is largely determined by the accuracy of temperature determination. The arising problem is that the measured temperature does not indicate the temperature that corresponds to the thermal process of the system, because it is already affected by...

Pile-supported low embankments offer significant advantages, such as enhancing the bearing capacity of the subgrade, reducing subgrade settlement, and mitigating the drawbacks associated with high embankments, including excessive land occupation and environmental concerns. However, a conclusive definition...

This study explores the thermomechanical characteristics of coconut shell waste charcoal briquettes with the addition of clay as a binding material. The utilization of coconut shell waste (CSW) as a renewable energy source has gained attention due to its abundance and potential environmental benefits....

Online shopping has become an important way of life and a significant sales channel that not only brings convenience but also promotes economic development. This paper examines the impact and mechanism of consumer values on consumer loyalty from the perspective of consumer values and loyalty. Empirical...

Unstructured data is generated in huge volumes every day from sources such as emails, social media, and business documents. This data, although extremely useful for decision-making, requires extensive preprocessing and feature extraction to be useful. Text mining extracts meaningful patterns from large...

In the eastern coastal area of Zhejiang, dredger fill silt soil is widely distributed. To address the issue that vacuum preloading can hardly rapidly enhance the bearing capacity of silt soil foundations, a method of using curing agents to reinforce the marine - deposited silt foundations in coastal...

Ports are one of the elements for river, lake, and ferry transportation, in which case the port is a gateway for connecting bridges between regions. One of the government’s efforts to create an innovative and creative system is to use a cashless ticket system, or what is also called cashless, which is...

The purpose of this study was to analyze the quality of groundwater in terms of physical, chemical, and microbiological parameters at three campus locations of the Universitas Islam Negeri (UIN) Walisongo Semarang, Indonesia then the results were compared to the Regulation of the Ministry of Health of...

PLC principle and application is a kind of theory and practice, engineering practice of the professional course. Among them, PLC experimental teaching is an important part of the course. Many Chinese universities opened the PLC curriculum, teachers use experimental board to describe the whole process...

According to the characteristics of children's early paintings, this paper designed a kind of hardware and software system based on FPGA and ARM dual-core architecture, the system realizes the physical image contour extraction, display, enhancement. And can through the SD card to store image and use...

Well logs are usually used to constrained inversion during reservoir predicting. However the seismic inversion cannot be accurately guiding because of the logs affected by the various factors, which will affect the accuracy and reliability of prediction. Combined with the actual situation of Saertu areas,...

China's power system continues to develop. More and more high-voltage substation have been built. The safe operation of power systems is more and more important. Substation insulators susceptible to the natural environment and other factors, there are the formation of pollution accumulation on the surface....

In this paper, the effects of potassium hydroxide concentration, soaking time, activation time, activation temperature and heating rate on the adsorption performance of corn straw were studied by using potassium hydroxide as activator and high temperature modification of corn straw activated carbon....

With the implementation of the South-to-North water diversion project in china, water quality problems have become increasingly prominent along the Eastern Route of South-to-North Water Diversion Project, China. As an important water-transfer channel and storage lake for the Eastern Route, the water...

This paper proposes a true-color full-parallax three-dimensional (3D) imaging method based on OLS. The optical imaging effects of OLsS and micro-lens array (MLA) are analyzed using optics simulation software, and the OLS is used to realize the stereoscopic display instead of MLA. 2D multi-view images...

Second order nonlinear optical materials have been in a very important position because of its special excellent optical properties,The large nonlinear optical coefficient chromophore molecule is the key to the excellent nonlinear optical materials. In this study, the industrialized synthetic process...

Jiaodong area is the most important gold concentration area in China with huge prospecting potential in deep portion. Magnetotelluric(MT) has some advantages of great exploration depth, high resolution and low cost, so we arrange MT exploration in Jiaodong area with less previous work for the deep structure...

The recent growth in network usage has motivated the creation of new malicious code for various purposes, including economic ones. Today's signature-based anti-viruses are very accurate, but cannot detect new malicious code. Recently, classification algorithms were employed successfully for the detection...

According to the semiconductor refrigeration chip operating characteristic curve, it can be seen that the maximum cooling capacity and the maximum cooling efficiency corresponding to the working current is inconsistent and the current semiconductor refrigeration systems are a constant current and work,...

Coordinating the conflict of time between study and working is a common problem for many people who are employed by a company. Especially for those who want to be released from regular work for study for a long time. They may have to enter into contracts with various agencies and if their circumstances...

The main component of Analog to Digital Converter (ADC) Single Slope type is an Analog Unit. The analog unit is designed precisely to meet characteristics of the ADC. The ADC design has a resolution of 8 bits and frequency clock of 1 MHz . Openloop amplification of OpAmp is 66.42 dB. Set point voltage...

For mass, heterogeneous and dynamic text information, it has important significance to the text classification. In recent years, the theory and method of Swarm Intelligence has been developed gradually, which provides a new method for text classification. In this paper, the intelligent algorithm of swarm...

A kind of differential type sliding mode control law was proposed to improve the robustness of a kind of simplified pitch channel model of hypersonic aircraft which is widely discussed recently. The advantage of sliding mode control is that it has differential item which can provide a special damping...

This research focused on correlation between Event Space and Urban Space to figure out how to stimulate spatial coupling between two of them. This is necessary for sustainable urban development in post-event period. Case study includes the 1984 Olympic City: Los Angeles and the 1996 Olympic City: Atlanta.

In this paper we propose a new method to separate the composite signal which consist of sinusoidal signals and chirp signal utilizing the time-frequency (TF) window in the Wigner-Ville Distribution (WVD) domain. The signal is reconstructed from the TF domain based on the Wigner Distribution Synthesis...

The presence of the Airport Train provides an alternative for users to access Soekarno-Hatta International Airport in avoiding congestion on the road due to increased traffic volume. Since the first operation, there has been a rapid change in fare and a significant increase that has affected the people's...

This paper analyzed the mechanism of dilatation and high water retention of the independently researched new cementing material. It was proved by the experiment of dilatation and water retention behavior that the maximum water-solid ratio of this new material are 3:1 and the maximum volume dilatation...

The algorithm of NURBS interpolation was introduced,it is the key for NURBS curve interpolation that formula of Taylor development of first-order, derivation of two order in the interpolation cycle under the condition of certain interpolation increment only and interpolation speed, by changing the interpolation...

Rhizoctonia is a soil-borne fungal pathogen which widely exists in the soil. This study, by comparing the two isolates of the AG-V which are new an stemsons group (AG)(Bs-J-06-7-1 and DL-YT-06-4-9), we find P absorption differences as well as their hyphae in the system P absorption rate interacting with...

In recent years, in order to save line corridors and reduce the scope of demolition, some new transmission modes for high voltage AC and DC power transmission line are proposed. According to the characteristics of the parallel transmission line, this paper studies the distribution characteristics of...

The design of high reliability, high efficiency, high power factor and low cost is the development trend of the current switching power supply. Traditional switching power supply, input current of rectifier filter circuit, which contains a large number of harmonics, will cause the power utilization efficiency...

With the development of society and progress of times, the economic level in China has improved significantly in recent years. In actual economic development, the level of science and technology has been greatly improved. The further development of science and technology will ultimately serve social...

The abundant of solar in tropical countries is an advantage of utilizing solar energy. One of them is the use of the stack effect through the solar chimney. Experts have widely discussed the use of solar chimney in buildings. It concluded that solar chimney in buildings was able to increase the air velocity...

The aim of this research is to find out the tolerance level of Gorontalo local upland rice against drought stress given during the germination stage with vigor index and normal sprout dry weight variables as the indicators. The research was conducted in June 2016 using a completely randomized factorial...

The “Mongolia: Enhancing Resource Management through Institutional Transformation” (MERIT) project, funded by the Government of Canada, aims to strengthen resource management in Mongolia. This is achieved through its technical assistance programs, which focus on building capacity and promoting responsible...

The rapid expansion of e-commerce has transformed consumer purchasing activities, positioning digital platforms as the dominant medium for modern transactions. However, this growth has also introduced new challenges in analyzing and predicting increasingly complex consumer purchasing behaviors. Manual...

Loose Palm Fruit (LPF) is an oil palm fruit that has ripened and fallen from its bunch, containing high oil content. Each loss of LPF affects the oil extraction rate and results in financial losses. Existing LPF collection methods are not very effective as they require human control and supervision....

This study aims to design a system based on Business Intelligence (BI) with an integrated Data Warehouse (DW) foundation. The system was developed to address critical operational and financial challenges in the National Health Insurance (JKN) claim process as well as improve reporting efficiency in hospitals....

The provision of potable water is among the objectives of sustainable development, as outlined in the 2030 Sustainable Development Goals (SDGs). Clean water is one of the basic needs for the quality and sustainability of human life, absolutely must be available in adequate quantity and quality. The carrying...

This study focuses on flood risk assessment in the Feni-Muhuri-Selonia River basin using 2D hydrodynamic modeling to support improved flood preparedness, mitigation, and decision-making. HEC-RAS 2D v6.6 was used to simulate flood behavior across the study area, with RAS Mapper applied for inundation...

Managing electricity usage is an important aspect of household budgeting, especially in regions like Kerala, where billing occurs every two months. Many consumers are often caught off guard by unexpectedly high bills due to a lack of real-time tracking. This delay in awareness makes it harder to manage...

This paper takes thin-walled square CFST columns with lining tube as the research object, aiming to conduct finite element analysis and parameter comparison on their axial compression performance. This member is a new type of composite column, with internal steel lining tubes and outer steel tubes connected...

Wireless Sensor Network (WSN) applies in large areas for monitoring and control, such as in agricultural areas and areas prone to natural disasters. Single-hop routing protocol, such as the Low Energy Adaptive Clustering Hierarchy (LEACH), is ineffective for large areas. LEACH derivatives of the multi-hop...

Now the temperature setting value of the spray nozzle in sterilization machine of each temperature zone always depends on experience, lacking of real theoretical basis, leading high energy consumption problem during the beer sterilization process. To solve this problem, the thesis according to the theory...

This study presents a multi-audio guidance system for a guide robot. The system is outfitted with parametric speakers constructed from ultrasonic array transmitters. When the two speakers are closely spaced, their sounds and their ultrasonic waves interact. To investigate these phenomena, the present...

With the rapid advance of urbanization process, particle matters from the atmosphere has gradually become the primary pollutant of the air in cities. This paper selected the university campus of Shenyang-the north city of which the pollution is serious as the research target. Through investigation and...

Surface structure and electronic properties of (001) surfaces of GPBII and Sphase were studied by using first-principles calculations. The calculations are performed within the density functional framework using the projector augmented plane wave (PAW) method. For different terminations of GPBII and...

Coiled tubing with higher strength and larger diameter is widely used in oil and gas engineering. Local damage generated during its working operation will decrease the fatigue life and strength, but replacement will introduce with extra cost. In order to repair the damaged part with lower cost or obtain...

Through the analysis on the Dahei Mountains research area of eco-conserving division in Changchun, this paper puts forward the exploration of selection mode of new urbanization path of villages and towns in conserving area, which that is are eco-urbanization mode, local urbanization and new urbanization...

Polyethylene glycol (PEG) is used in a variety of applications, from medicine and pharmaceutics to green wood stabilization to skin creams and toothpaste. PEG is often used as coating or supplement for fibres created from other materials or spun as composite fibre in combination with other materials,...

For the stern-shaft mechanical sealing device, spring pieces and sealing rings are the main study objects of mechanical behavior and characterization. Consequently, the in-situ compression tests for the spring pieces were performed, where special test equipments were applied to ensure the measurement...

Pore structures and aluminum foam densities are strongly influenced by the particle size of TiH2 powders. In this paper, TG curves of the the original powders and the 4 kinds of powders which were separaed by the original powders were researched. The foaming process and pore structures using selected...

In order to ensure the security and stability operation of microgrid, this paper construct simulation models of renewable energy generation grid, propose the control strategy of the grid-connected and microgrid operation, and analyze these control strategy based on Power Systems Computer Aided Design....

Structural features of enzymatic hydrolysis lignin from the corn stalks and furfural residue was compared with lignin extracted from paper-making black liquid (PBL). Lignin was characterized by FT-IR, GPC, 13C- and 1H- NMR analysis. Enzymatic hydrolysis lignin from the corn stalks (CS) had a 12.2% higher...

The forecast accuracy of the wind power directly affects the operating cost of the network system, which is directly related to the supply and demand balance grid. Therefore, the forecast accuracy of wind power is very important. Considering the prediction accuracy not high, we propose an improved predictive...

We induce enablers of knowledge creation capability from five different aspects through analyzing process of knowledge creation. After that, by applying the fuzzy set theory and fuzzy clustering approach to analyze these enablers, a method based on fuzzy clustering is proposed. Using this method, the...

In order to solve inaccurate picking caused by the nonlinear input and output with the traditional picking measuring robot system, this article will put forward a new robot picking system based on FPGA and neural network. Comparing with the traditional robot system, the new one can enhance the linear...

With the increasing severity of environmental pollution and fossil resource depletion, electric vehicles draw widespread concern because of their use of clean energy and zero emission. The large-scale popularization of electric vehicles will become an inevitable trend of future development; the two-way...

In the article, the options of mines aeration by means of ejector fan installation are examined, as well as the principle of this installation functioning and its potential are shown. Basing on the investigations conducted and the functioning results received, the possibility of application of the ejector...

Within the framework of the effective-field theory with correlations, the phase transition behaviors of the spontaneous polarization in a ferroelectric thin film with symmetrical structure have been studied in detail by the transverse field Ising model. A general expression for the phase diagram of the...

In order to study the effect of viscous energy dissipation brace to the special Stress Performance of the concrete frame joint, the paper analyzes the concrete frame with installed and not installed damper under the action of earthquake by adopting Sap2000.The internal forces in joint area and seismic...

In order to find out the serious and long plagued leakage problems related to the seepage cut-off wall of Nanmenxia Reservoir, used the introduced British Groundvue series of Ground Penetrating Radar equipment, field test and verify work were implied, leakage location and path were determined. The results...

By optical microscopy, SEM, XRD, EDS and EIS, study the corrosion behavior of copper in Qingyuan rural atmospheric environment. The results showed that: after exposure in Qingyuan rural atmosphere, copper has corrosion. With time, the corrosion products increased, and gradually cover the surface of the...

The electric information acquisition system is a powerful support for smart grid by collecting information from users, and the acquisition success rate is required more than 99%. However, the stable operation of the system depends on the equipment performance, technology selection, mechanism, maintenance...

This paper derived an approximate deformation analytical solution of a circular hole which is parallel to the isotropic plane of the layered rock mass. The data comparisons of approximate solutions and numerical solutions are conducted in different radii and stress conditions through the FLAC3D software....

Use the LMS data acquisition terminal and the PCB acceleration sensor, get the loading spectrum of two typical proving grounds by the same truck, and then make a contrast analysis of the distributing character by the rain-flow counting technique. At the same time extrapolate the two spectrums into the...

In the test and evaluation of operation, the test benefits may be greatly reduced because no useful conclusions may be obtained from test data due to missing or incompleteness of test information records. Based on the characteristics of gun firing and by separating firing errors, this paper proposes...

This paper introduces the content and characteristics of IEC61850 standard, and the basic knowledge about the model of layered structure and the configuration files. In addition, the application skills of IEC61850 standard in a project are presented via the example of the SCD documenting and configuration....

The pitch control strategy of the wind generator set in the paper applies power feedback closed loop control to implement that variable-speed constant-frequency wind turbine regulates constant power removal by adjusting pitch angle under the condition above the rated speed. The present output power of...

The problems of congestion and queuing in Makassar city generally occur at the intersection. One of the intersections in Makassar City that experienced the problem is St. Dr. Ratulangi – St. Lanto Dg. Pasewang – St. Kasuawri. This study was conducted to analyze the junction of the berignal by the method...

At present, the main research methods are Matlab/simulink and Ansoft maxwell. When modeling and simulating with Matlab/simulink software, there will be shortcomings in the simulation as the special structure of the model and material parameters cannot be set. The modeling and simulating with Ansoft maxwell...

Passive design has widely been identified as one of the most economical and effective strategies for reducing energy demand. This research is based on the physical surveillance, and has adopted physical environment fieldwork test and data analysis methods to evaluate the effectiveness of passive space...

This paper attempts to establish a post evaluation system framework for the implementation effect of bridge preventive maintenance based on the gray multi-level fuzzy comprehensive evaluation. It proposes to use analytic hierarchy process to determine the index weight and introduces the gray fuzzy comprehensive...

In order to facilitate the rehabilitation of patients with hand dyskinesia, a soft mechanical glove with the master-slave motion controlling system is proposed in this paper. Since the relationship between the input collected from movement of master hand and the output- the parameters needed to control...

This paper deals with the analysis for the irreversible demagnetization characteristics of a NdFeB, ‘W-type’ permanent magnet in the line-start permanent magnet synchronous motors (LSPMSM). By using the finite element method, the influence of different permanent magnets status and the different start...

One of the problems that is very avoided when oil and gas drilling operations is the filtration loss. The usual and often used additive to overcome this problem is the Carboxymethil Cellulose (CMC) where the CMC is relatively expensive, so research needs to be done using alternative materials or natural...

The Chernobyl disaster, which knows no analogies in the world in the scope of radioactive emission and duration, radionuclide composition and physical and chemical discharge forms, led to the large-scale pollution of agricultural lands and products, including animal production. After the Chernobyl disaster...

Financing of economic growth and economic development at the subfederal level due to the limited financial resources is considered; the regularity of the formation of a new financial instrument - rational financing – is justified. The concept of rational financing has been formed from the scientific...

The evaluation method of impact hazard during the recovery of the working face is mature, but the evaluation indexes or factors considered by these methods are difficult to apply to the risk analysis of roadway excavation in the areas with faults and karst. Therefore, the fuzzy comprehensive evaluation...

As a natural passive cooling technology, nocturnal radiator can reject heat into the sky by electromagnetic infrared radiator exchange. In order to take full use of nocturnal radiator for cooling provision at night, this paper put forward two types of novel nocturnal cooling radiators in panel structure...

This paper presents the determination of bergenin content of Yuchuangling capsules by high performance capillary electrophoresis (HPCE) method. Elastic quartz capillary electrophoresis separation control at the temperature of 20°C without coating capillary (75μm× 44/52 cm), the sample height was 7.5cm,...