Advances in Engineering Research

Initial alignment is one of the key technologies of Strap down Inertial Navigation System (SINS). The accuracy of initial alignment directly affect the accuracy of the work of SINS and the time of initial alignment are important tactical targets reflecting the rapid reaction capability of weapons systems....

The condition monitoring of wind power gearbox has important practical value for reducing maintenance cost and improving operation level. In this paper, a set of monitoring system for a wind turbine gearbox is designed. The condition monitoring system can monitor the vibration acceleration, speed and...

In order to improve the measurement precision of infrared sight line alteration,a new adaptive correction algorithm of CCD camera pose small angle changing was proposed.Through the theoretical analysis,a mathematical model of the CCD camera pose calculation was established and a camera pose calculation...

According to compactly supported characteristics of bearing local damage diagnosis based on wavelet analysis, the construction of compactly supported orthogonal function method are studied. With the wavelet multi-resolution analysis and multivariate time series analysis as the foundation, the parameters...

In this paper, based on finite element method, Ansoft was adopted to study the static and dynamic characteristics of electromagnetic release. Firstly, electromagnetic release was split and made models. According to the actual material properties, the corresponding parameters were set. And after creating...

Appropriate digestion of environmental sample, including soil, sediment and dust, plays a key step in their total heavy metal detection. In order to explore the optimized digestion method, 8 kinds of commonly used hybrid acids groups were selected to simultaneously detect total concentrations of Pb and...

The paper is devoted to error analysis on force decomposition of applied eccentric load for concrete box-girder, the main parameter eccentric 'e' was considered. The stress under eccentric load, symmetric load, and anti-symmetric load is extracted from ABAQUS model, the floor stress along the cross-section...

In the reform of the power system for more than a decade, China's power market to participate in the main body has been in the power generation side to form a multi-subject competition situation, but the transmission, distribution, sale of vertical integration of the monopoly situation still exists,...

The extraction of polysaccharides from okra pods by ultrasound-assisted heating extraction was investigated using response surface methodology (RSM). The optimized conditions were ultrasonic temperature 63.19 , ultrasonic time of 10.04 min, liquid/solid ratio of 47.39: 1 (mL:g).The experimental optimized...

In the case of total internal reflection, the electromagnetic incident waves will be reflected back to the original medium. Whereas, based on the theory of electromagnetic fields, the incident waves do not wholly go back to the original medium, but generates refracted waves in the second medium, which...

The core-shell structure precursor powder was fabricated by coat-mix process in different fabrication conditions with various aging pH value. The porous silicon carbide ceramics were prepared through molding, carbonization, and sintering in argon atmosphere and vacuum, respectively. Morphology, physical...

With the increase of single tunnel length, traditional tunnel construction method can't meet the requirements of the construction environment. In this paper, the control values of temperature, humidity and wind speed are gained by statistics and analysis. Based on the field test of the TBM tunnel construction...

In order to maintain the economic and safety demand in underground projects for hydropower there is a vital necessity of advance geological prediction by using the seismic reflection prediction technique. Tunnelling in many projects suffered due to uncertain or even unknown geological problems such as...

In this paper, it adopts the document literature and comprehensive analysis methods and it studies the use of video capture images in athletics programs. Then it draws the appropriate conclusions, so that the athletic coaches will use and guide the athletes a reasonable training.

For the requirement of the stability in large-capacity data storage, this paper proposes a management method of bad block based on setting up block address mapping table in the interior of FPGA. While operating the NAND Flash , we can take advantage of the mapping tables to shield inherent bad blocks...

The Dengsha estuary area is taken as the research area, and the value of marine ecological services is calculated from the perspective of opportunity cost, the exploitability of marine units is analyzed, and the current situation of marine utilization is analyzed and evaluated. By constructing an evaluation...

In this paper, a conceptual framework for Remaining Useful Life (RUL) prediction of lithium-ion battery integrating deep learning is presented. The main processing stages, i.e., feature extraction, redundant information removal, data preprocessing, DNN model training, RUL prediction and evaluation, are...

The purpose of this paper is to develop a portable anti-bedsore system. This portable anti-bedsore system, which can provide a new way to the prevention and treatment of bedsore. This above way not only suitable for bedridden patients also for long-term wheelchair users. MCS-51 was applied in the hardware...

­Semi-precast column consists of the combination of cast-in-place concrete and segmental precast concrete. In semi-precast concrete column, difference in compressive strength exists between the cast-in-place and precast concrete. The aim of this research is to investigate the behaviour of column-foundation...

In order to construct a unified object coding model, the coding and addressing characteristics of Internet of Things are studied in detail, and the types of codes that may appear in the Internet of Things are defined, and the coding addressing mode of the Internet of Things is defined. Based on the analysis...

Urbanization is becoming the general trend of the whole world. In this paper, we aim to find an ultimate strategy for all countries that can not only achieve the goal of normal urbanization, but also meet the policy of sustainable development. What is necessary to emphasize is that we establish our models...

The economic consequences of environmental pollution affect negatively, in a large extent, the activity of economic agents. Perception of necessity to adjust to environmental constraints and transition to sustainable development have led to the adoption of environmentally-friendly behaviour and promotion...

The increasing volume of vehicles that passing on Mahar Martanegara Street has caused traffic jams at the Leuwigajah Bridge, Cimahi. Because it is not balanced with adequate road conditions and bridge characteristics (bottleneck). The solution from the West Java Provincial Government to overcome this...

This research aimed to examine the effect of cellulose microfibrils (CMF) as a filler to thermal characteristics and morphology of bioplastic. Sorghum starch and chitosan, of which 63 micron particle size, were varied by starch to chitosan ratio (g/g) of 10:0; 9.5:0.5; 8.5:1.5; 7.5:2.5; 6,5:3.5; and...

Facial expression classification plays a crucial role in human–computer interaction, particularly in the context of online education, which requires automatic emotion recognition. This study proposes a hybrid approach for facial expression classification by comparing two model architectures: Multilayer...

The paper presents a mathematical model of an electromechanical system in the MATLAB environment. The sensitivity of the system to changes in the parameters of the executive body and the transmission of elastic loads is studied. The question of the influence of the disturbing influence on the system...

The purpose of this research is to evaluate the performance of a split-wall air conditioning unit utilizing a custom-built data logger. An R290, 2.5 kW split-wall air conditioning unit was installed for this investigation. A custom-built data logger was employed to measure all the evaluation parameters....

The waste management situation in Sukabumi city is still not well-controlled. The management pattern still follows the linear model, which involves collection, transportation, and disposal. However, for certain types of waste that are considered to have economic value, circular economy principles are...

The effects of abscisic acid (ABA) on the growth of Malachium aquaticum under salt stress were investigated through a pot experiment. The results showed that ABA increased the biomass of M. aquaticum. With the increase of ABA concentrations, the root, stem, leaf and shoot biomasses of M. aquaticum increased...

By deeply analyzing discrete frequency theory, this thesis put forward rational theory basis about choosing discrete frequency spectrum and phase position. On the basis of traditional discrete frequency soft starter, this thesis utilize control strategy based on equivalent sine wave principle to promote...

Based on the CVaR measure, this paper introduces a Cooperation and Competition model for the risk management of the two-stage supply chain. It is supposed that both the supplier and the retailer are risk-averse and their objectives are to minimize their own CVaR(Conditional Value-at-Risk) objective instead...

Core-shell structural material has received much attention, this materials are different from the symbiotic synthesized two phase molecular sieve, but has ordered core-shell structure which retains the composition characteristics of the molecular sieve and has a variety of active center and dual channel...

ECG monitoring equipmentwill generate a huge mount of ECG signals, which causes enormous pressure on server storage and transmission. Therefore, many compression techniques are proposed to overcome this problem including some fractal based lossy ECG compression techniques. However, basic fractal based...

Thermal spray is an effective method in the remanufacture process. In this paper, Ni-based and Fe-based powders were sprayed onto a steel substrate40Cr using a thermal flame spray technology. The coatings were remelted by the heatronicheater. The morphology of the coatings was characterized by using...

This paper focused on the railway transportation industry in the era of big data, and researched on the Statistical Information System of Freight Train Formation, collected its business data in 311train operation depots of 18 railway bureau as total sample and 35 statistical targets as dependent variables,...

The structure of composite beam A and composite beam B is formed by the combination of corrugated steel web plate and lining concrete. A finite element model was established to study the distribution between steel plate and lining concrete in elastic stage, and to analyze the failure process of interface...

In order to study the brick masonry structure in rural areas, a new type of composite brick is designed with concrete and steel plate as raw materials. On this basis, the rapid construction technology is analyzed, which provides a new design of low-rise building brick masonry in rural areas. The new...

Water is the material basis of human life. In recent years, water pollution has received more and more attention. The degree of water contamination by bacteria can make a correct assessment by detecting microbes in water. In this paper, an image recognition technique based on complex network is proposed,...

The RSC is generally controlled by using PI controller, but its narrow bandwidth and slow transient response speed limit the LVRT capability of DFIG. So, a LVRT strategy-based multi-controller switching is proposed in this paper. According to different rotor current setting value, the corresponding control...

The article considers the methods of working off of coals with high content of natural radionuclide (NRN) that allow for the coals’ completeness of the getting and environmentally reducing their safety on the example Urtuysky brown coal’ deposit opencast mining located in Trans-Baikal region.

A multi-protocol converter was developed by embedded system, which used a method of protocol analysis based on character set to establish both a sequence of command instructions and a sequence of protocol analysis methods for one serial port, used an analysis method of character set to collect and extract...

In order to improve the efficiency of robot teach, this paper presents a direct teaching control strategy for industrial robot with no need for multidimensional force/torque sensor. The kinematics and statics of a specific six-DOF robot are analyzed, and the joints’ torque is educed. In the direct teaching...

The areas of Qinba Mountain locate between Qinling and Daba mountains, it’s not hot in summer, but very clammy in winter. Focusing on the typical rural architecture, the paper analyzed the consumption of architecture heating affected by the parameters of heat transmission coefficient of envelope, also...

U shaped, V shaped, and trapezoidal sections are widely used as closed rib sections in orthotropic steel bridge decks. This paper calculated three full-scale models of section based on the finite element method, and analyzed the magnitude and distribution of extreme stress of the constituent members...

Undercooling of Cu-Co alloys is achieved with the help of glass flux technology. Electrical resistivity of Cu20Co80 and Cu60Co40 has been detected during the cooling process. In undercooled liquid, an inflection in resistivity is well accompanied by a turning point in temperature-time curve, which is...

Clay minerals are an important constituent of soils and it could disperse in aquatic environment which indicates they would have interaction with natural organic matters (NOMs). Although there is some researchers work on the aggregation kinetic process of clay particles in the presence of NOMs [1, 2],...

End conveyor is widely used in large open-pit mine, in order to gain the three diagonal elastic deformations of supporting elements as well as the discharge arm vibration model, by making reasonable assumptions. The discharge arm system is simplified to single degree of freedom model, using the geometric...

Nitric oxide (NO), as a signaling molecule in vivo, plays an important regulatory role in a variety of physiological and pathological conditions. Mesenchymal stem cells (MSCs) are pluripotent progenitors that can differentiate into a variety of cell types. Vascular endothelial growth factor (VEGF) induces...

The Azov Sea Coast is subjected to a complex of hazardous exogenous geological processes, landslides and abrasion being the most important ones. Both natural and anthropogenic factors contribute to the development and intensification of these processes. These processes are currently growing due to an...

Sorghum is a drought-tolerance plant that have ability to survive on post-tin mining land. One way to increase the optimum growth and production of sorghum on post-tin mining land can be done by ameliorant addition. The objective of the study was to increase the optimum growth and production of sorghum...

Through the search for penetration cracks in the lower bushing of the main bushing, the effectiveness of the combination of oil chromatography and electrical testing is demonstrated. The structure and composition of the main transformer bushing and the common discharge forms and locations are introduced...

In the article the authors give the results of the study of the total antioxidant activity of fresh vegetables, vegetable semi-finished products after heat treatment and in the process of refrigerating storage, dried vegetables, and vegetable cryopowders when designing functional food products. Determination...

Nowadays, more and more waste construction waste is abandoned in China, which makes the problem of environmental protection especially prominent. The reuse of waste concrete not only helps to solve the problem of landfill, but also contributes to sustainable development of resources. However, due to...

The paper is devoted to the development of a new automation recognition and warning system against driver falling asleep in traffic. The issue of the physical condition of professional drivers on the trip is considered on the part of both efficiency and quality of determination, and in terms of improving...

A mathematical model of adaptive generalized chaotic synchronization(AGCS) was established to investigate the synchronization between a multi-degree freedom non-autonomous(nonlinear vibration) driving system and an autonomous chaotic (Lorenz) response system. Within the heterostructure synchronization...

Affective Computing is computing that relates to, arises from, or deliberately influences emotion or other affective phenomena. Emotion recognition based on affective computing is an important part of affective computing. Electrodermal activity signal and heart rate signal are important parameters of...

In view of the existing network vulnerability scanning system does not distinguish between the characteristics of web applications, but in accordance with a single strategy to scan, resulting in scanning efficiency and accuracy is low, the scan results are not comprehensive and so on. In this paper,...

Cantilevered construction is adopted in most concrete bridges with wide spans. Because of such factors as shrinking and gradually deforming of concrete, constructive error, and constructive load, the pavement cannot be perfectly flat when the bridge is accomplished. So it is necessary to adjust the linear...

The simultaneous localization and mapping (SLAM) of mobile robot is the basic problem and hot spot in the field of robotics, and is also the key to realize autonomous navigation and control decision. This paper first introduces the source of the SLAM problem, and gives different solutions of the problem,...

Based on a series of steady tensile tests and transient tensile tests of Q235 thin-walled galvanized sheet with depth of 2mm in elevated temperature using high temperature furnace, the formulas of high temperature mechanical property indexes and high temperature constitutive equations of the material...

In Global System for Mobile (GSM) communication based wireless networks, authentication delay is an important factor during handover. In present system, mobile nodes are authenticated by its home Authentication Centre (AuC). In this paper a Mobile Information Centre (MIC) is introduced within a Mobile...

Research have been conducted to test the performance and techno-economic analysis of liquid smoke pyrolisator with LPG fuel. Liquid smoke beginning to develop by researchers, to get the higher quality in order to become safe for consumption by the public and not contains carcinogenic substance. Raw material...

The improvement of the investment network of urban agglomerations is conducive to promoting the optimization of the economic and industrial structures of cities, accelerating the social and economic integration of urban agglomerations, improving the core competitiveness of regional development, and being...

The increasing urban Population in Samarinda City has led to a rise in waste generation, creating significant challenges in managing waste transportation. Inefficient waste collection routes contribute to higher operational costs, increased travel distances, and elevated greenhouse gas emissions, all...

Through machine learning (ML) and computer vision (CV) advances are taking shape in maxillofacial surgery that are revolutionising diagnosis, automation of laborious imaging tasks, and data-driven surgical planning and intraoperative support. New deep learning architectures have been used in three-dimensional...

Digital Twin has been providing strong technical support for the high-quality development of smart libraries and green libraries. This paper is aiming at studying the research status of the application of Digital Twin in Chinese library and providing some knowledge base and reference for the high-quality...

As veterans play a vital role in national defense, their social adaptation and well-being are critical issues in social governance. Based on data from the CFPS 2022, this study employs hierarchical linear regression analysis to examine the impact of four types of social trust—in parents, neighbors, local...

Preparation and characterization of adsorbent from oil palm empty fruit bunches (OPEFB) activated with KOH has been done. Adsorbent was made from carbonated at 100 °C of oil palm empty fruit bunches and activated by using potassium hydroxide (KOH). The experimental design used was a randomized block...

This study investigates the impact of polyacrylonitrile fibers on the mechanical properties of pervious concrete using the orthogonal test method to examine the effects of fiber length and content on flexural and splitting tensile strength. The experimental results indicate that fiber content has a slightly...

In order to detection to low level glucose concentration, an ECL biosensor based on TGA-capped CdSe QDs was fabricated by the immobilization of CdSe QDs after modifying the surface of a glassy carbon electrode (GCE) with 4-aminothiophenol diazonium salts by the electrochemical method. For the detection...

To provide technical support for computer diagnosis of Alzheimer's disease (AD) patients, the data of resting-state functional magnetic resonance imaging (fMRI) are collected from 9 AD patients and 11 normal elderly people. We adopt the Automated Anatomical Labeling (AAL) template to divide the brain...

In this paper, we propose measurement system of the six degree of motion errors which is based on distance measurement by the laser interferometer. The system has six parallel laser beams and six corner cube mirrors on the linear stage, which reflect the corresponding laser beams. The error of axial...

In order to comprehensively analyze enterprise data using big data techniques, data need to be transformed from conventional database to unstructured database, where smooth switching of database has a great significance for enterprises. In this study, a technique for smooth switching from conventional...

In this paper, we consider the problem of hierarchical bandwidth sharing in cognitive radio (CR) environment. A primary service provider (PSP) can sell its available spectrum bandwidth to a secondary service provider (SSP). In contrast to the conventional schemes, the SUs served by the SSP can also share...

Electrolytic method is applied to recover nickel from the simulated nickel-containing electroplating wastewater. The experiment studied the main parameters affecting the recovery of nickel, including titanium plate, titanium mesh and graphite as cathode materials, other parameters such as initial concentration...

A novel multiple tent maps based image encryption scheme with plain-image content dependent permutation-diffusion mechanism is proposed. The permutation is realized by swapping the gray values at different part of the considered image; it is performed with the help of pseudo-random sequence yielded by...

A maintenance schedule evaluation method for transmission and transformation equipment considering operation risk of power system is presented. A dimensionality reduction method is used to deal with large amount of constraints. The maintenance schedules are quantitatively evaluated in the aspect of economic,...

Due to the complexity of structure and control on machining center, its reliability is usually difficult to ensure. In this paper, taking NBP1100 machining center spindle for example, the reliability virtual prototype model was built and the effects of thermal characteristics on reliability were analyzed....

In this study, removal of chemical oxygen demand (COD) and total phenols (TP) from pistachio processing industry wastewater was investigated using electrocoagulation method. COD and TP removal ef ciencies were compared considering wastewater initial pH by using stainless steel cathodes and aluminum anodes....

Cultural and creative industry park Landscape construction is an important way to interpret urban culture, geographical features and ecological environment. This article briefly describes the significance of cultural and creative industry park landscape design, then summaries its design principles. At...

The flocculation or agglomeration of ultra-fine particles from flue gas in coal-fired power plant induced by various polymeric flocculants, polyacrylamides (PAM) in particular, was studied using jar tests. Various influencing factors were investigated, including different type, molecular weight and charge...

Objective: To make a study of the separation and purification of purified corosolic acid from loquat leaf extract using the traditional Chinese medicine technology and the separation process in different samples of human gastric carcinoma BGC823 cell growth inhibition. Methods: 95% ethanol extracts were...

Methods used for the determination of iron content in iron oxide are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the iron with high content, the sample solution...

This paper presents the direct kinematics of a 3-PRS parallel manipulator. Through analysis position, the direct kinematics model is established, which is a nonlinear system of three equations in three unknown. The equations are derived using recursively the Sylvester dialytic elimination method. Finally,...

Complicated minerals, high total organic carbon (TOC) content, and thin interbeded layers aggravated the complexity of logging responses and made it very difficult to find the target zone of the tight oil reservoir in the Jimusaer depression in northwestern China. Horizontal well drilling is extremely...

Production of fine chemical from biomass has attracted increasing research attention in recent years. In this paper, the effects of activated-carbon on production of phenolic-rich bio-oil were systematically studied. Different ratios of the activated carbon/peanut shell in the blend were pyrolyzed and...

Base on plenty of field investigation and study, the loess cave dwellings were specifically divided into different types. Under the condition of continuous heavy rain, the loess cave dwelling destructions were summarized and analyzed to find out the reasons and the corresponding prevention measures.

Organophosphorus pesticides (OPs) are some of the most prevalent pollutants in the total environment and receive more and more concerns as a group of ubiquitous potential persistent organic pollutants. Using the variable selection and modeling based on prediction (VSMP), the molecular electronegativity...

The secondary circuit in substations is in a strong electromagnetic environment, and intelligent devices may be affected by electromagnetic disturbance signals. Meanwhile, with the local installation of intelligent devices, the electromagnetic disturbance of its working environment may be further strengthened....

In this paper there are described the effects of the current and voltage variations' distortion on the three-phased power transformers; the methods of evaluating the additional power losses in the three-phased power transformers given by the harmonics and some records necessary for the evaluation and...

Engineering project is the carrier of national fixed assets investment. With the increasing scale and complexity of the project, risk management has become an indispensable part of the project.This paper collected a large number of literature from Western countries and China to analyze engineering project...

Through analyzing the force of the machine running gear and the calculation of its driving force, the strength of drive wheels is checked. To analyze the stress distribution and deformation of the driving wheel in working situation, the drive wheels working environment in Ansys is simulated. The results...

Density functional theory (B3LYP) calculations has been carried out to explore the potential energy surface (PES) associated with the decarbonylation of acetaldehyde by Ni+2. The mechanism leading to the loss of CH4 and CO is analyzed in terms of the topology of PES. The structures and energies of the...

The paper use the documents the mathematical statistics and the three-dimension picture analysis on the cross step skill of Lv Huihui, the champion of China Long Open in 2013 and get the kinematics parameters and summarize her skill features . The results show that Lv made a proper leaning back during...

Electrical safety is vital for coordinate development of social economic and people's life, so, power emergency management is must be carry out fully. In this paper, the significance of the power emergency rescue and power rescue types of emergencies are introduced. Besides, analyzed the current problems...

In view of the flame retardant of gas flame in pipelines, the important topic of coal mine safety field, this paper firstly collected the state parameters of the gas flame through field test, and then used the Fluent software to simulate the state of the gas combustion explosion. By comparing the simulation...

With the further development of education in colleges and universities, teaching management of universities has successively been using management system of teaching informationization. It has promoted fast operation of teaching administration and accelerated the innovative development of educational...

3D printing technology has developed for decades in our country, desktop 3D printers are gradually used popularly. Focused on the problems of large friction and instability of the wire feeder in the desktop 3D printer of FDM technology. The mechanisms of the internal and external wire feeding are studied...

Based on the Hypermesh software, the finite element modal analysis and harmonic response analysis of the truck crane boom are carried out. Through the modal analysis, the natural frequencies and modes of the first ten stages of the boom were obtained, so as to understand the effect of different frequency...

Navigation equipment is the most important infrastructure of civil aviation, which is closely related to flight safety. In addition to regular flight inspection, navigation equipment’s patrol measuring, maintenance measuring, running measuring under special weather conditions are the important means...