Advances in Engineering Research

This study examines the application of natural filtration materials in clean water installations for the community of Labak Suren Village. The clean water source comes from a river, with water that tends to be turbid, especially during the rainy season. The main objective of this research is to improve...

The history and current status of smart home are described and the basic idea of intelligent control is intro-duced .And the application of embedded system in intelligent control system is also discussed. Using embed-ded system, various network information, multiplex automatic control function, as well...

In this paper, an object tracking system was introduced for video recording based Qt and OpenCV. The system can track any moving target in dynamic background. The tracking algorithm was designed based on TLD tracking algorithm and some refactoring was implemented. The architecture of the system is clear...

For optimizing the maintenance strategy of electric vehicle (EV) changers, it's necessary to have a comprehensive evaluation for it by using its monitoring data. From the battery, electrical machinery transmission and charge-discharge process, 26 characteristic quantities are chosen as EV changers operation...

The modified coaxial electrospinning, in which only organic solvents or their mixtures are utilized as sheath working fluids, is a useful way for manipulating nanofibers' diameters. In this study, with a co-dissolving solution consisting of poly( -caprolactone) (PCL) and poly(trimethylene carbonate)...

The State Council issued "Some opinions on further deepening the reform of the electric power system". China's electricity sales side reform has entered a new chapter. The operating mechanism of the electricity market is also different from the previous model. This paper introduces the cultivation mechanism...

Following the trend of currently intelligent technology development in relevant fields at home and abroad, we planned and designed targets of building intelligent hydroelectric plants and the system's overall architecture. Related ideas were put up with according to the need of real practice.

In this article, we showed possibility to use Impact-echo acoustic method to testing concrete degraded by high temperature. The results are compared with traditional parameter such as flexural bending strength. We observed longitudinal waves.

Recovery working face impact pressure force main source of coal in large hanging exposed overburden pressure compressed elastic energy and high-strength elastic bending deformation of the thickness of hard roof stored elastic energy. Mining-induced damage and breaking the roof itself and induce higher...

Economic growth cannot be separated from the energy which is an important material basis for economic development. Since the 20th century, with global population growth and economic expansion of the scale, Economic development has led to large amounts of energy consumption, increasingly acute contradictions...

For the problem of fault diagnosis of aircraft oil system, a new method using CLIPS to build expert system is presented in this paper. By building Knowledge Base, Infer Engine and using CB tool, the relevant software environment is set up. Consequently the fault diagnostic system of aircraft oil system...

An information architecture of state monitoring substation equipment system is proposed based on IEC 61850 and IEC 61970. A substation equipment state monitoring and integrating platform (CMIP) supporting the unified information model and unified communication interface is designed and implemented. In...

With dongba culture researches increasing year by year, there needs to be a highly efficient classification method to classify research achievements creating conditions for further study. Aiming at the shortcomings of the traditional mutual information method, giving full consideration to the factors...

Study on purification effect of different water eco-situ remediation technology on the reclamation area. The results showed that the optimal water quality purification effect was 3# test zone (ecological floating bed+ artificial aquatic mat) and 6# test zone (ecological floating bed + submerged plant),...

Zoeppritz equations can only describe the reflection and transmission of plane waves incident on a single interface. It cannot deal with the thin bed case. The presence of dirt band in thin coalbed makes the problem even more complicated. We present an AVO (amplitude variation with offset) analysis of...

The reasonable design of shear connectors is the key to ensure the integral forced performance of steel-concrete composite beam. This paper presents an experimental research on the capacity of angle shear connectors. Six push-out specimens with different height and thickness of angles were included in...

Asphalt overlay on existing cement pavement structure design and typical diseases (such as low temperature cracking and fatigue cracking temperature, temperature type of reflective crack) have a strong relationship with temperature; At the same time, vehicle load and temperature stress also produce different...

In this paper we point out the following two points. Firstly, the result of Madjid Eshaghi Gordji et.al [ Madjid Eshaghi Gordji, Maryam Ramezani1, Yeol Je Cho and Saeideh Pirbavafa, A generalization of Geraghty's theorem in partially ordered metric spaces and applications to ordinary differential equations,...

The polymer matrix composite material has higher structural efficiency at lower weights as compared to metallic structures, so that they are found in aircraft, space shuttle, automobile and many more industrial applications. In present work, the glass fibers were 15 %, 30 % and 40 % reinforced by weight...

In recent years, as a consequence of the rapidly increasing energy price and more and more stringent energy-saving and emission reduction policies, many effective measures have been taken by the majority of the coal-fired plants in China, including improving the power plant efficiency, reducing the unit...

Reinforced concrete plays an important role in urban transport infrastructure. The durability of concrete bridges has caused wide public concern in many places of world. All the reinforced concrete bridges in Shijiazhuang's urban area were carefully investigated. Five diseases were detected: leak of...

Based on the analysis of Hard- and Soft- Iron effects of magnetometer’s errors, a tilted ellipse model for two-dimensional plane was formulated. According to the analytic geometry theory, a magnetometer calibration algorithm was proposed to calibrate the tilted ellipse into a standard circle by translation,...

To ease ship traffic overstock and accidents caused by complex weather in Three Gorges reservoir, the paper took ship traffic organization as the research object. Combined with the features of inland navigation, the paper built up both the safety distance model and safe model for Three Gorges reservoir...

Based on the characters that the piston rod of labyrinth reciprocating compressors is supported by a guide bearing system in the direction of movement, simplified mechanical model of piston rod is established. To determine the effect of relevant parameters on the vibration and stability of piston rod,...

Scrap ammunition processing activities have a lot of security risks. It is a strong technical and high security requirements professional activities. The decomposition of scrap ammunition is the technical operation process that uses certain technical method to remove the original structure and function...

Nowadays, tissue-engineering was important and popular which combine medical applications and engineering materials knowledge, just like cell extraction process was employed to remove the cellular components from porcine dermal, leaving a framework of largely insoluble collagen, elastin, and tightly...

There is one courage from the Minister of Marine Affairs and Fisheries from the beginning of the inauguration, ie sinking a boat that catches fish illegally. Until now, the Indonesian Ministry of Marine Affairs and Fisheries has drowned more than 350 ships of various sizes committing illegal fishing...

The wide area protection system has strict requirements on the real-time communication, reliability and bandwidth. How to select the optimal path quickly and efficiently is very important for the transmission of protection and control information. In order to solve this problem, a mathematical model...

The single cycle structure with a small area is difficult to encrypting high-speed SM4 streams in real time, while fully pipelined design is not available for the system's application in low-cost areas. Aiming at this, the pipeline method and the single cycle scheme are combined to build a high-speed...

Voltage stability is considered to be a significant issue due to the increased penetration level of photovoltaic (PV) power generation. The voltage deviation, which occurs normally at the connection point of photovoltaic power generation, is resulted from the non-robust distribution network especially...

The analysis of various methods of obtaining potatoes seedlings was conducted. The study objects were the first and second tuberous reproduction of the hybrid generative progeny of the Nikulinsky and Breeze varieties. The aerial portion of potato plants was estimated by their height. The yield structure...

In this paper work, the effect of operational factors on the working sections of the ESRW track on the fatigue life of rails is investigated. Among the factors taken into account, the following are used: the effect of the axial load, the speed of rolling stock, the characteristics of the rolling stock,...

The main control building of Chaoyang-Yuzhou 220kV substation is taken as the research object, and the three-dimensional integrated model of the prefabricated steel structure main control building is built using finite element software ANSYS. Time-history analysis was used to analyse the seismic performance...

The pre-oxidation agent is potassium permanganate (KMnO4) and the adsorbent is powdered activated carbon in this experiment. The raw water is treated by KMnO4 comparing with KMnO4 and powdered activated carbon in order to study the removal of turbidity, algae and odor. When the KMnO4 dosage is 1.2mg/L,...

Due to the traditional mobile communication technology cannot meet the development requirement of fiber communication particularly in remote districts, this paper introduces a new kind of multi-channel optical wireless communication system. In order to emphasize the importance of automatic power adjustment,...

The common ultra-low emissions transformations for coal-fired power plant are low-temperature coal economizer transformation, high-frequency power, and wet electrostatic precipitator and so on. This paper aims to research the effect of fiber reinforced plastics (FRP) flue on the pollutants emission via...

Transnational corporations are faced with the organizational management problem in the Internet age because of the complicated economic globalization. Viable system model is introduced to solve the problem as it provides the structure to survive in complex ecological environment and shall make the different...

Sulfides are beneficial inclusion in free-cutting steel, and can cause chips to break easily as an internal source of stress concentration when cutting steel, and also lubricate the tool and workpiece, thus reducing tool wear and improving machinability. Sulfide morphology directly determines the performance...

Computer network technology is developing rapidly, the thorough change the way people live, work, and at the same time brings convenience to people serious problem of information security. Specific to the computer lab management performance is more obvious, so in reality there is a need to be computer...

Geometric parameters, reducer stiffness, and link flexibility have significant impacts on the absolute positioning accuracy of the terminals of long-link flexible manipulators. This paper introduces a multi-parameter based calibration method which can improve the absolute positioning accuracy. The experiment...

Practicum is an activity carried out so that students understand the material. One of the high school chemistry materials that require practicum to increase students’ understanding is electrolysis. This material is often considered difficult because students have difficulty understanding the reactions...

Dissolving pulp (DP) has a high cellulose content and low chemical components and is obtained from wood through PHK. It is a raw material for various cellulose products, such as viscose fibers, cellulose esters, and ethers. More than 70% of dissolving pulp is utilized in viscose fiber production. Rayon...

The KL Sultan Hasanuddin training ship utilizes biodiesel (B30) for its main engine and generator to support energy sustainability. Effective fuel management is critical on board to maintain fuel quality and quantity. This involves careful procedures for loading, storage, and purification. In this study,...

Single crystals of Pb0.75Sn0.25Te with additions of Pb and Sn up to 1.0 at.% were grown, thermoelement legs were created on their basis, and their electrical properties were studied in the range of ~ 77–300 K. It was shown that atoms of additional Pb or Sn at low contents, being located in cation vacancies...

This study investigates the concept and implementation strategies of green villages in the hilly regions of Chengdu–Chongqing, with a focus on ecological adaptability and rural resilience. In response to escalating environmental pressures and socio-economic transformation, the green village model is...

The present study explores the properties of brick aggregate concrete (BAC) incorporating plastic waste (PW) as a partial replacement of fine aggregates. A total of 108 cylindrical BAC specimens (100 mm × 200 mm) were cast with PW replacing fine aggregates at 0%–10%, using a 1:2:4 volumetric mix and...

The main research of this paper to study the optimization design model of medicine cabinet under the condition of high adaptability and high emission efficiency. Mainly uses mathematical modeling in multi-level screening knowledge, to optimize the design of the medicine cabinet, taking medicine, medicine...

The failure data of products are random and discrete, showing obvious uncertainty, which bring great inconvenience for reliability calculation. In this, the experience value of median rank, Weibull distribution, lognormal distribution and maximum entropy probability distribution are proposed to describe...

Nowadays, concrete has become the most widely used building materials in civil works. The members made of concrete can meet requirements of strength, stiffness and other with regard to the safety of the structure. However, in some high-quality engineering, the bubbles on concrete surface, especially...

The processing results of the extensive statistical material characterizing the level of power consumption of Kuzbass coal mines are presented. At the same time, in the formulation of the research problems, the authors have come from the fact that the power consumption of mine is a function of many variables....

The project-based collaborative filtering algorithm and matrix decomposition-based ALS collaborative filtering algorithm in the personalized recommendation of e-commerce are analyzed deeply in the paper, the principles of parallelization work are discussed, and the parallelization processes of project-based...

In this study, kiwifruit seedlings were used as the materials, were applied 100 mol/L melatonin (MT) solution by root irrigation, to investigated the effects of MT on kiwifruit' antioxidant activity under low light. The results showed the content of TPC, TFC and TFAC of kiwi leaves under MT treatment...

The rapid development of computer networks is urgently need to improve and optimize the overall performance of the network.With the characteristics of large scale parallel processing and distributed information storage, Hopfield neural network has a unique advantage of associative memory and optimization....

To enhance 5-axis CNC machining precision of complex surfaces with a ball-end cutter, the generation method of cutter contacting (CC) paths is presented in this paper. By means of curvature circle, the feeding length was calculated within allowable error. The step-over in the perpendicular direction...

In this paper, through the research on high speed moving vehicle aerodynamic stability by using the method of computer aided design, the result of the research has showed that there is a close relationship between the automobile body surface pressure distribution and automobile shape, which can have...

In this paper, the adaptability of RFID tags in concrete structure engineering was studied by experiment. 10 types of common RFID tags that were used to distribution management and identity recognition coming from market were tested in this experiment. As results, the communication distances of RFID...

The theory of sustainable development is now widely used in various fields. This paper will quantify the water resources based on sustainable development. We use the ecological footprint model to carry on the analysis and select Shandong Province as the research object.

Adaptation of the technology for a 3D building printing system aimed at producing non-autoclaved aerated concrete allows solving a task of how to create wall structures with high thermal insulation properties without using other materials, and with the increase of molding devices' productivity due to...

As a new welding method, combustion synthesis welding technology caused widespread concern at home and abroad in recent years. The combustion synthesis technology, the concept of combustion synthesis welding, classification, welding process characteristics and influence factors were introduced. The combustion...

At present, in the industrial production, have a high request for the reliability of the control equipment, to be able to in the electromagnetic interference, power voltage fluctuation, mechanical vibration and so on under the harsh environment and reliable work, and has strong anti-jamming ability....

In this paper, the image characteristics of rectangular parts like plate analyzed in this paper in view of the demand for automatic truning plate in the rolling process. Image processing technology is used to identify the image, based on the edge detection algorithm, contour tracking algorithm and edge...

In order to invesigate the dynamic behavior of ice in compressive loading, tests on ice specimens at -100C~-250C were conducted by using the SHPB apparatus in the strain rate range from 500/s to 2000/s. Strain-rate effects and the influence of freezing preserve time were studied. Experimental results...

In this paper, the special requirement for the lower limb disabled was investigated by the interview with doctors, nurses and disabled in rehabilitation center. Based on the requirements, the new easy care clothing for wheelchair users is designed by the functional fabrics used, the fastener selected,...

The article deals with the construction of a thermoelectric heat exchanger with heat bridges. A test stand and a full-scale test procedure of this device have been developed, which allow determining temperature change dependencies in control points on current level in thermoelectric modules, charge coefficient,...

To achieve cost reduction and efficiency increase of module products, the multi-busbar technology has recently been applied in photovoltaic crystalline silicon modules. Compared with the current five busbar modules, the multi-busbar modules use round ribbons to reduce the resistance loss and increase...

Considering the multi-state and uncertainty of causality in complex systems, a method for reliability modeling and assessment of a multi-state system based on Bayesian Network (BN) is proposed by using the advantage of uncertainty reasoning and multi-state expression of BN. The proposed method is able...

Adoption of alternative vehicle technologies such as electric vehicles (EVs), plug-in hybrid electric vehicles (PHEVs), and hybrid electric vehicles (HEVs) have the potential of reducing some of the environmental impacts and reducing oil-dependency of the U.S transportation sector. However, this potential...

Utilization of cassava flour in the food industry had weakness, which were less stability and low the paste resistance because it couldn’t resist to heat and acid conditions. Fermentation was an alternative that can be done to improve the properties of starch polymers, such as viscosity, gelatinization,...

This paper discuss the features of reactive power compensation in electrical networks of coal open-cast minings. The authors calculated the value of the reactive power consumed by the network elements. It is established that synchronous motors are able to compensate about 40% of the total reactive power...

As far as antler plate is concerned, we adopt pepsin extraction method to extract the collagen protein in antler plate and use the vacuum freeze to dry into antler plate collagen protein powder in the paper. In addition, we adopt the biological enzymolysis technology to make antler plate collagen protein...

The utilization of biomass energy has received increasingly attention. Converting industrial and agricultural production wastes into biomass energy to provide clean and sustainable energy has become a larger trend in energy utilization. Biological chemical conversion method, as one of the methods to...

The design process of mixture ratio of foamed asphalt mixture is studied in the paper. By means of a series of asphalt test, the best foaming condition, mineral aggregate gradation and the best ratio of asphalt is determined. The road performance test of foam asphalt mixture is carried out to verify...

A physical pendulum experiment now becomes essential in Physics Education. A physical pendulum consists of a rigid object, with a particular shape and size, swung by a pivot point on the object. One of the often-overlooked requirements in measuring practice by this experiment is the small angular displacement....

Rapid unplanned urbanization, high population density, inadequate open spaces, and a few other issues are making Dhaka city highly vulnerable to urban disasters like earthquakes and fires. Although the city has not experienced a building-collapsing earthquake for many years, several tremors have been...

Security and safety are the most important things in the world of transportation, especially in aviation or air transportation. Safety and security matters are affected by factors such as visibility, wind direction, wind speed, temperature, dew point and barometric pressure. The most important of these...

The steady rise of mobile apps in finance and healthcare has brought more attention to the risks of cybersecurity breaches. While automated systems and algorithmic models are often used to monitor threats, surprisingly little work has examined what users themselves are saying about security in public...

Domestic wastewater (greywater) has compounds that can pollute the environment, such as xenobiotics, organic compounds, and nutrients (from urine and human waste). One of the ecological alternatives to domestic wastewater treatment is phytoremediation. Phytoremediation is a method of degradation of contaminants...

Fly ash as a residual waste from coal combustion has been used widely for soil stabilization. In order to apply coal ash as alternative additive material to substitute other fine aggregate partially or fully in stabilization process, the mechanical properties of soil admixture and its analysis must be...

[Purposes] Investigate and research the social media operation of core medical journals in collegesand universities, and their correlation with academic evaluation indicators. Explore how to improve the operational ability of social media in core medical journals to improve their academic communication....

The frozen soil layer exhibits distinct mechanical properties compared with the unfrozen soil, leading to diverse dynamic responses of pile foundation within it under dynamic loads. Consequently, disregarding frozen soil in the seismic problem of cold region engineering is deemed unsafe. This study establishes...

Based on the crack width data monitored during the operation period of a tunnel in Dali, the development of the lining cracks in the tunnel was analyzed in terms of temperature changes. The crack widths were converted to the same condition at each temperature interval. The analysis found that the tunnel...

Wearable and persuasive computing technology has sparked a lot of interest in fitness and sports. Physical activities play a crucial role in maintaining fitness levels. Even though, during intense and commanding workouts, physical fitness is seriously influenced by both younger and older people, so the...

Airlift pump is a device for raising water that is the simplest and easiest to assemble, it can even be easily found in the community because basically an airlift pump only requires two fluids, namely water and air which have a mass flow rate to raise the water. However, the airlift pump has a drawback,...

A short circuit protector will quickly switch off power in case of an overload or short circuit fault in order to quickly isolate or eliminate the fault. This research uses the contradictions matrix of the TRIZ innovation theory and 40 innovation principles to innovate and improve the product. The improved...

To research the results of criterion-meeting assessment method used for the operation test in fundamentals of nursing.101 nursing undergraduates who entered Nursing College, Beihua Univercity in 2011, who were randomly divided into experimental group and control group. The students in the control group...

We build a elaborate model for finding the best all time coach or coaches in a more subjective and equitable way.We put emphasis on the establishment of three-level metrics,influence of time line horizon,selection of assessment method and application of all sports.Considering the universality of the...

Frame theory plays an important role in the signal processing and image processing. In this paper, symmetric fusion frames with general shift are constructed, which generalizes the existing results of integer shift to the general case.

Export subtree mining has important research value in the field of XML data, bioinformatics, Web structure. In this paper, vector and sub-tree pruning threshold two concepts are taken and take advantage of the sub-tree vector features, combined with a hash table structure, we proposed a sub-tree based...

In order to meet the requirement of space payload system and the data transmission, a scheme of periodical and concurrent dynamic bandwidth allocation (DBA) of switching FC-AE-1553 network was proposed based on both theoretical analysis and simulation approaches. Compared with traditional solutions,...

research of microstructure of Ti-Al coatings received by method of the mechanical alloying on the surface of titanium was conducted by the scanning electron microscopy method and X-ray structure analysis. The morphology of coatings is formed depending on the efficiency of powder components staying in...

An UHV n-channel LDMOS transistor is usually used for the power management AC-DC convertor that need to enhance the ESD robustness to resist external transient noises. In the cost saving consideration, an UHV nLDMOS unit should be both acted as a circuit element and anti-ESD device because of its large...

The TC4 titanium alloy were deformed at 800 , 2mm/s with various extrusion loops by a new sever plastic deformation method-Continuous Various Cross-section Recycled Extrusion, then the microstructure and microhardness of the specimen along the radial, the maximum deformation force in each extrusion procedure...

Machine failure prognostic is concerned with the generation of long term predictions and the estimation of the probability density function of the remaining useful life. For this we propose a framework for data-driven prediction of RUL. To solve the problem of lacking direct condition information in...

The current transformer (CT) is a kind of transformer. The working principle of CT is briefly introduced.Combined with the actual case of relay error trip accident, the specific cause of the accident caused by two point grounding of the secondary circuit loop of the current transformer is further analyzed....

The article provides the results of studying magnetic and magnetostrictive properties of alloys in multi component systems (Tb1-хYх)0.8Sm0.2Fe2 with the substitution parameter х = 0, 0.2, 0.4, 0.6, 0.8, 1. Magnetization and magnetostriction studies are given in a wide temperature range. Compensation...

Radon is a highly radioactive, colourless, chemically unreactive and is produced from the natural decay of uranium. As it is being synthesized, it can be released into air or water-containing pores between soil and rock particles. Environmental radon is of great medical concern as it causes dangerous...

The article analyzes the problems of mass application of additive technologies in the industrial sector of the region. It is shown that it is the high cost of the material that is one of the problems of additive technologies transferring to the technological processes of machinebuilding enterprises of...

The HNO3/HF solutions etching has been used to improve the properties of the black silicon for solar cells. The effect of the HNO3/HF ratio and etching time on the black silicon has been investigated by scanning electron microscope, UV-VIS-NIR spectrophotometer, external quantum efficiency and I-V test...

A novel approach for blind multichannel identification is proposed on the basis of Kalman filter theory. Taking advantage of the cross relations between any pair of the multichannel outputs, the process and measurement equations are established in state space. The standard Kalman filter algorithm is...

Porcupine identification is a key part of porcupine intelligent monitoring system. This paper proposes a porcupine recognition algorithm based on Gaussian Mixture background modeling. The algorithm completes identification and feature extraction of the porcupine based on the calculation and withdrawal...