Advances in Engineering Research

The Global COVID-19 pandemic has become a driving force for rapid changes in many aspects of society, especially daily life, caused by the work-from-home policy. After the COVID-19 pandemic, the company and employees still implemented the work-from-home policy because it was considered to be working...

This project aims to compare the performance and implementation complexity of the Array Multiplier and Vedic multiplier, two key algorithms in digital multiplication. Hardware models for both multipliers will be developed using Verilog. The designs will be simulated to verify functionality and tested...

The architecture of power distribution systems is critical in ensuring reliable and efficient electricity delivery. Traditional radial configurations, known for their simplicity and unidirectional power flow, are now contrasted with advanced aromatic, networked grids designed to enhance resilience and...

Problems in the implementation of channel probing related to the correlation generated against the environment used to provide an interesting idea for conducting further analysis of channel probing in various environments in static conditions. This paper analyzed channel probing systems on ad hoc multi-user...

Vibration and noise caused by the eccentric rotor system in operation seriously affect the safety of equipment, so it is necessary to study the dynamic characteristics of the eccentric rotor system. In this paper, the dynamic theoretical model of the eccentric rotor is established based on the Timoshenko...

Some of the damage caused by earthquakes is not always caused by the strength of the earthquake or the distance from the epicenter of the earthquake to the affected buildings but is also influenced by local geological conditions. Majangtengah Village, Dampit District, Malang Regency is one of the areas...

Digital circuit acceleration is pivotal in enhancing the performance and efficiency of modern electronic systems, particularly in applications such as real-time processing, low-power embedded devices, and high-speed data transmission. This article explores diverse methodologies to accelerate digital...

This paper integrates various types of literature and describes various defects generated during the crystal growth process. Then the various defects generated were classified into the interior, surface and near-surface of the crystal, and the causes of the defects were described. Secondly, this paper...

Briquettes are a form of renewable energy that can replace the decline in oil and gas production as a necessity for human life. Briquettes made from coconut waste have a very positive potential in environmental sustainability compared to plastic and metal waste. Improper composition of raw materials...

Cervical cancer remains a significant health problem worldwide, despite the advances in screening, diagnosis, treatment, and prognosis. Heat shock protein 70 (HSP70) is an anti-apoptotic protein that inhibits the cancer cell death by interfering with apoptotic pathway activation. In chemoradiation, the...

This study deeply analyzes how the innovation and application of scientific and technological means, especially the alliance chain technology, in the field of supply chain finance can effectively promote the development of new quality productivity. The core of the research is to explore how to use these...

Since then, the Internet finance has entered the golden age of rapid development. This article is based on the above background, introduces concept and connotation of the Internet fi-nancial,development model and challenges syste-matically, and explores the difference between In-ternet financial and...

Variable speed constant frequency (VSCF) doubly fed wind power generation system, which is mainly composed of doubly fed induction generator (DFIG), excitation control system and wind turbine, is a complicated system of electromechanical energy transformation and control. It is quite necessary to study...

The problems of open pit mining area reclamation and computer modeling of areas under the most intensive anthropogenic impact are the topics of worldwide discussions. The solution of the problem to define reclamation area is described as the precise computer graphical design of surface landscape restoring...

Port cargo throughput forecasting is an essential issue in port planning and management. Owing to that cargo throughput is affected by many factors; a single model is often difficult to get an accurate prediction. On the basis of discussing single modeling principle, the combination forecasting model...

Considering the particular physical geography and shipping status of the Strait, it is urgent to strengthen the management of maritime traffic, of which the establishment of PSSA and implementation of relevant management practices is an effective means for the prevention of marine accident and marine...

Forensic authenticity of the digital video recordings is an important part of the forensic audio-video examination. There are a few relative practices in this field. In this paper, some practical methods of forensic authenticity for the digital video recordings were discussed and some anomaly judgment...

In this paper, the three-dimensional finite element model of single and double micropores with complex shape of cast aluminum alloy was established based on ABAQUS. The three - dimensional finite element model of single and double micropores was established by using Johnson-Cook constitutive model. The...

According to subjective deviation and variation characteristics in fuzzy decision-making, one fuzzy reasoning method is put forward on the environment hazard for earthquake-damaged underground structure with the integration of entropy and variation weight distribution. Through identifying such index...

According to the characteristics of the shell body and the Deformability of 30CrMnSi, the near-net forging technique is obtained by choosing the preforming process, formulating the drawing of cold ironings and the drawing of warm forgings, designing the cold ironing die set and the warm forging die sets....

Coal seam seismic survey collapse column is common in heterogeneous geologic bodies. Groud-3D seismic observation due to limitations of its accuracy, for uneven geological subsided column often small leakage test or position error is large, the impact of mining coal mine safety sometimes causing heavy...

In this study, a turboexpander for geothermal energy ORC power system was desgned. R245fa was selected as the working fuild. The factors which influence the performance of the trubine were analyzed and discussed. The software Ansys-CFX is used to perform preliminary steady-state CFD simulations. The...

The article examines the trends in the development of business processes regulation in Russian companies. At the present stage of the formation of a market economy in Russia, in the conditions of large-scale structural reorganization of the country's economy as a whole, the description and regulation...

Although many laboratory tests study on electro-osmotic consolidation of soil, it is not widely used in practical engineering, since influenced by existing problems of electrode erosion, low effiency, uneven consolidation, the effect of electro-osmotic treatment is not perfect. In this paper, several...

Green design and manufacture is a kind of sustainable development model in modern manufacture. This paper focuses on green design concept, application and selection of green materials and product manufacturing of the Rare earth permanent magnet electrical machines.

Steel fiber with high elastic modulus, have been added to the reactive powder concrete (RPC) in order to improve its mchanical properties. In this paper, it is studied the impact of the change in the steel fiber content on compressive strength and flexural strength of hybrid fiber reinforced PRC. The...

Based on the finiteness of resources and the seriousness of environmental pollution, and considering that China is a large energy consuming country and a large country of carbon dioxide emissions, it is necessary to develop low-carbon economy. This paper analyses the application of environmental Kuznets...

Cinnamon is a member of the family Lauracea that is popular as an aromatic evergreen tree or shrub. In daily life cinnamon is used in fragrance of many things such as foodstuffs, perfumes, and medical products. Cinnamon contains polyphenols such as vanillic, gallic, protocatechuic, and ferulic acids,...

China suffers about 70,000 tons of textile wastes every day and 2.5 billion tons of wastewater every year. As of 2050, the carbon emission each year of the clothing industry will account for a quarter of that around the globe. However, it is an inevitable trend for the clothing industry to gradually...

Toxic heavy metals in water have been a serious hazard human beings health and eco-environment. However, these heavy metals are usually important natural resources. How separate them from polluted water and reuse them, which is a hot issue in environmental protection field. Adsorption is widely used...

With the continuous improvement of living standards, the development of broadband network technology. Telephone, TV, network Trinity service way more and more popular. FTTH latest generation GPON passive optical network, to meet the needs of high efficiency broadband utilization, large area coverage,...

Dynamic system reliability is one of the topics for structure reliability analysis. However, the classical system reliability and dynamic system reliability often have multiple failure modes which lead to the combinatorial explosion problems. In this paper, a new method for analyzing the reliability...

This research began with the status of the implementation of school construction projects to explore the relationship between the characteristics of its management and its impact on different levels. Through gathering literature, interviewing experts, statistical methods, and other methods of analysis,...

In this paper, we investigate the problem of robust L1 model reduction for linear parameter-varying (LPV) systems with parameter-varying delays. It is essential that the design of reduced-order system guarantees LPV error system to be asymptotically stable and satisfy peak-to-peak performance constraint...

In this paper, fragility which is measured by Fragile State Index is used to represent a country's development potential. Then, we establish an evaluating system to measure a country's fragility based on GRNN model and Entropy weight method. Besides, we analyze the impact of climate change on the results....

Hard anodization was a method that can enhance aluminium alloy surface characteristics by growing an aluminum anodic oxide (AAO) film on it surface. This method was very applicable to obtain a thick and hard coating. This process was carried out at galvanostatic-potentiostatic mode at high current densities...

The need for oxalic acid increases every year, mainly due to its use in industry. So far, Indonesia continues to import oxalic acid from foreign countries, which requires a high transport cost. To increase the domestic production of oxalic acid, it is necessary to research its production using various...

Interdigitated metal–semiconductor–metal (MSM) photodetectors based on InAlAs/InGaAs materials have attracted much attention for applications in high-speed optical-fiber communication systems which need efficient light detection in the 1.3-1.55 µm range [1]. The performance of thin-film inverted MSM...

This research develops a depth camera-based human detection system using the YOLOv5n algorithm. The system is designed to address the challenges of object detection in various environmental and lighting conditions, as well as in real-time applications with hardware constraints. Testing results show the...

The enactment of Village Law No. 6 of 2014 underscores the importance of community participation in rural development, with the overarching aim of achieving self-reliance and enhancing community welfare. However, in Semarang Regency, the level of women’s involvement in village development planning has...

In order to determine whether dedicated parking places for four-wheeled vehicles are necessary on the State Polytechnic of Sriwijaya campus, this study is a follow-up on the parking situation on campus. This is very necessary to find out the need for parking lots as a reference for the design of effective...

In the public transportation system, bus stops are important nodes connecting bus vehicles and passengers, as well as an important link to achieve efficient boarding and alighting and to ensure that the public transportation system operates properly. Therefore, the setting of bus stops is very important....

The global shipping industry, which accounts for more than 80% of international trade, is under increasing pressure to implement sustainable practices to reduce environmental impact. Green shipping technology, such as low-emission fuels, digitalized logistics, and energy-efficient systems, is critical...

Titanate anode materials have emerged as a focal point of research in solid oxide fuel cells (SOFCs) due to their high adaptability to diverse fuel gases. To further enhance their performance, we propose an impregnation strategy to create a composite electrode by applying a gadolinium-doped cerium oxide...

To solve the problem that harmony search (HS) algorithm is easily trapped into local optimal, a novel improved harmony search (IHS) algorithm is proposed. Search strategy are redefined in IHS. In order to increase the diversity of harmony in harmony memory and enhance exploration, the concept of entropy...

The use performance of SIMU is constrained by its stability. In view of a short stability period, frequent test-ing and the problem of low efficiency of the test about SIMU in present, A optimization method is proposed to choose test cycle, Using least square method combined with the stability index,...

Fiber optic sensing is a high-tech technology that has been developed since the late 1970s when fiber was successfully used in communications. Once it comes out, to the intrinsically safe explosion-proof, high precision, long-distance transmission, not afraid of corrosion, anti-electromagnetic interference...

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...