Advances in Engineering Research

This paper mainly have a comprehensive evaluation on the control of smart distribution network project investment during the construction process from the term of investors. First, according to the cooperation management, analyze the demand of investors’ investment control, build the index system of...

The industrial clusters are an effective economy that has played an important role in promoting regional economy and crate employee opportunities. But for poor capability in applying and protecting intellectual property, china clusters are withering. The essay introduces the status quo of the clusters...

Rotating inertial navigation system(RINS) using rotating modulation technology to compensate the error of inertial sensors and it can improve the precision of the navigation system. Rotation modulation scheme, including rotation coordinate system and rotation direction, plays a key role in RINS. In this...

Developing physical methods to detect aflatoxin is a significant area of research in food safety. Because the current detection methods that use near-infrared spectroscopy are not sufficiently accurate, we focus here on using Terahertz Time-Domain Spectroscopy (THz-TDS) to detect aflatoxin B1 in food....

With the development of society and progress in science and technology, the social competition has been fiercer and fiercer, printing factories also face more challenges and developments, and more and more printing factories hope to reduce the waste rate of printing products reasonably, so as to continuously...

Fault diagnosis expert system obtains the operation of power grid by monitoring the change of dynamic database. While all kinds of measurement, switching value and a part of status records and documents about the status of power grid operation transferred by fault information system and SCADA system...

The problem of imbalances in inter-regional fish stocks, the monopoly of fish distribution by some collectors, the scarcity of fish stocks in some regions still occurs in Indonesia while the country has established National Fishery Logistics System (NFLS). One of the factors causing the problem is of...

Pollution of the environment, besides doing harm to nature, leads to various diseases of the population living in the contaminated area, including cancer diseases. Environmental pollution of the territory of the Republic of North Ossetia-Alania is mainly caused by enterprises of non-ferrous metallurgy...

This paper introduces the principle of electromagnetic induction of the high tension line. With the aid of the spark plug, induced charge can be transferred to the high voltage winding in the form of short pulse and then generate induced current .With the appropriate circuit, the induced current can...

By applying the theory of inequality on time scales and the Lyapunov function method, we obtain some sufficient conditions which guarantee the permanence and existence of a unique uniformly asymptotically stable almost periodic sequence solution of a Lotka-Volterra system with feedback controls.

The purpose of this study were to determine (1) the income of Salak Nglumut (Salacca Zalacca) farmers, (2) the impact of capital on income, (3) the impact of age on the correlation betwen capital and income; (4) the impact of land area on income, (5) the impact of age on the correlation between land...

In this study bovine bone material was cured with alkaline solution (calcium oxide) for 10, 30 and 50 days and extracted at three temperature levels (60 °C in extraction I, 70 °C in extraction II, and 100 °C in extraction III) each for 4, 5 and 6 hours. The results showed an increase in the percentage...

New pathway for HCOOH decomposition to CO in the gas-phase on Pt(111) surface is proposed. By performing density functional theory calculations, this paper has evaluated the detailed reaction process, including energies and geometric structures of intermediates and transition states. The present theoretical...

A novel and efficient molecular imprinted polymers (MIPs) electrochemical sensor based on metal coordination technology was prepared by electro-polymerization, which was applied as a molecular recognition element to modify glassy carbon electrode (GCE) to construct an electrochemical sensor (MIPs/IDA/GR/GCE)...

In order to study the influence mechanism of the elastic modulus of steel wire rope on the high-speed elevator hoisting system of comfort, with high speed elevator vertical vibration as the research object, the establishment of high-speed elevator hoisting system of longitudinal vibration of discrete...

A heat pipe photovoltaic / thermal (PV/T) component on the basis of active air-cooled was designed and constructed. The heat pipe evaporation section was used for cooling the back plate of solar panel, and the condensation section was arranged in the air flow passage. A axial flow fan was arranged at...

DOA estimation in FDD systems is a core issue for smart antennas. In this paper, an equidistant linear array is divided into two identical sub-arrays, and then a DOA matrix is constructed, the eigenvector matrix of the matrix is the array manifold of the signal. After eigenvalue decomposition of the...

The paper notes that ecotourism as “good” tourism can take place only in the presence of legal restrictions based on proper monitoring and assessment of the impact on the environment. The purpose of restrictions in ecological tourism is: to ensure the harmony of the relationship between man and nature;...

A micro-simulation model is a crucial tool in the study of transportation, especially in complex traffic systems that include interactions between components in it. Therefore, the accuracy of the model must be considered by calibrating the parameters used and validating the model with observation data....

Concerning the issue of place attachment, the research tends to observe the functional attachment, which will affect the level of attachment in Hiraq Square Lhokseumawe (HSL), a renowned public space among local people in the city of Lhokseumawe, Aceh, Indonesia. Place attachment is known as a process...

The use of split air conditioning (Split A/C) on residential applications, hotels and office buildings is currently the best solution to get more comfort when staying in a tropical country. The problem is Air Conditioner in a home or office building consumes 50% to 65% of the total electrical energy...

The tourism sector, especially in Samarinda and its surroundings, is a sector that is experiencing quite dynamic development in supporting economic growth in the area. Apart from being one of the centers of education, Samarinda is also part of a tourist destination city in East Kalimantan. The objectives...

One of the implementation of a human face recognition system is an attendance system application. Attendance system is used to detect and recognize a person’s identity and stored as a face database. The face-based presence system developed in this study is a facial presence system using a hybrid feature...

The pursuit of lightweight maetrials, materials with high-strength has led to significant advancements in the field of aluminum matrix composites (AMCs). Among these, aluminum alloy 7075 is notable for its exceptional mechanical properties, making it a popular choice in structural, automotive and aerospace,...

As Extended Reality (XR) technology evolves, the development of immersive XR content, such as images and videos, has accelerated. The complexity of these products has heightened the demand for high-quality 3D geometric data. Given the vast size and intricacy of 3D geometric data, researchers are focusing...

Pulp and paper industry is one of the most important and growing industrial sectors in the world. Global pulp and paper production continues to increase along with rising demand from year to year. The pulp industry generally uses hardwood for Kraft pulp production which is also integrated with paper...

Guide vane is a key component of reversible pump-turbine for flow regulation and guidance. In the start-up process of pump mode, guide vane will be closed for a long time until runner rotates in full speed and then continually opens maximum. When the opening angle is small, guide vane suffers large and...

Engineered Cementitious Composite (ECC) materials have high ductility, but their large consumption of cement is not in line with the current demand for green economy. In contrast, alkali-activated ultra-high ductility concrete (AUHDC) without cement aligns better with the concept of green construction....

Automated detection of intestinal parasites is crucial for improving diagnostic efficiency and accuracy in parasitology. This study evaluates the performance of three object detection models: Faster RCNN with ResNet back-bone, Faster RCNN with RetinaNet backbone, and YOLOv8. A dataset comprising 2000...

Gula aren, or gula merah, or gula kawung is a sweetener made from nira derived from the male flower clusters of the sugar palm tree. Palm sugar is usually also associated with any type of sugar made from nira, which is the liquid released from the flowers of trees from the palm family, such as coconut,...

The distribution of electrical energies has grown the economy, social, and education, so the reliability is very important, the grounding resistance that is lower than 5 ohms is required for the low voltage distribution system according to PLN standards. The Bali State Polytechnic Electrical Workshop,...

Environmental pollution, climate change, energy tension is now the global prominent question, the development and utilization of renewable energy to become one of the key measures to solve these problems. Wind power acts as a kind of safety, environmental protection, clean, abundant renewable energy...

In this study, tensile, inter-granular corrosion, and impacting tests were carried out to investigate the mechanical property characteristics of X65MO-316Lclad hot rolled coil trial produced by 2250mm hot continuous rolling line, which is applied for the manufacture of offshore line pipe. SEM (Scanning...

In this paper, researchers establish and verify a method on the determination of B2O3 in boron nitride through volumetric titration. Three criteria including proportionable system error, extra system error and statistics error are investigated in detail. The results show that, this method meets the requirements...

Subcritical 1, 1, 1, 2-tetrafluoroethane (R134a) extraction is a modern extraction technology in natural product perpartion. The optimized process of extracting astaxanthin from Antarctic kill (Euphausia superba) through subcritical R134a was systematically investigated in this work with respect to the...

We first present a formula on the conditional expectation by the regular conditional distribution function. Using this formula, we can obtain a corollary under the condition of independence which applies in many cases. Then some examples are given to illustrate the applications of the results.

Since the 16th CPC National Congress, Integrated and coordinated urban and rural development into national strategies. Integration of urban and rural road passenger transport is an important support for the development of urban and rural integration, Promote integrative construction of urban and rural...

The bus power balance is an important index to quantify the power system basic data. In view of the current shortage of power imbalance evaluation at single time section, in this paper, imbalanced power is regarded as a normal distributed random variable and the its historical data is statistically analyzed....

In order to research the quality coordination mechanism of logistics service supply chain in condition of bounded rationality, based on research method of logistics supply chain optimization model of evolutionary game theory of intelligent algorithm, evolutionary game model for quality coordination of...

Shale gas and coal-bed methane are very important unconventional resources. Shale gas and coal-bed methane are the most effective supplement of the conventional fossil energy, and the quantity of these resources are abundant. So the shale gas and coal-bed methane have been gained comprehensive attention...

With the worsening of environmental pollution issues, applications of molecular biological techniques to the field of environmental pollution treatment have also drawn wide attention. These techniques can contribute to efficient treatment of environmental pollution through microorganism, and boast the...

Because the weights and thresholds of BP neural network usually adopt random assignment, there is a problem of low accuracy in software reliability prediction. In order to solve this problem, a software reliability prediction algorithm (MHPSO-BP) based on multi-layer heterogeneous PSO optimized BP neural...

To adjust the parameter PID of boiler water level control.Analysis of the problems existing in the Marine boiler water level control.[Method] Using fuzzy neural network, Fuzzy neural network is the combination of neural network and fuzzy logic. the traditional PID control and fuzzy neural network control...

It’s important to access the status change of switchgear in switching station for condition maintenance. With regard to the online assessment for the resistance of switches in the switching station with 3/2 connection mode, linear equations can be established on the basis of real-time current measurements....

Steel riser-guards are installed on offshore jacket platforms to provide protection to risers against vessel collision. As risers transport the crude oil which is highly flammable, a collision between vessel and risers has the potential of causing severe structural damage to the platform and injuries...

This paper researches on the characteristics of the foam system chosen for CO2 foam flooding in the low permeable oil fields. In view of the actual situation of the oilfield high temperature, high salinity and water injection difficulty, the selected agents must also meet the requirements of stability...

Magnetic nanomaterials have received tremendous attention in the past years due to their unique magnetic responsiveness and corresponding wide applications in many fields. Herein this paper presents several methods to prepare monodisperse magnetic microspheres through a facile hydrothermal technique....

According to the collected geological data, this thesis has systematically summarized the development feature of folds of No.5 coal seam in Chenghe-Second coal mine by counting and analyzing the setting of regional geological structure and characteristics of mine geological structure. Based on the above-mentioned...

Power flow diagram is an important tool of modern Energy Management System (EMS) for system operators to schedule the operation and maintenance plan, examine security situation and dispatch in real-time. Manually creation and maintenance of power flow diagram of large scale power grid is time consuming...

The keratin was extracted from the wool by sodium sulfite dissolving system. And then different ratios of keratin/polyethylene oxide (PEO) formic acid solution were prepared. The rheological properties and conductivity of solution were studied. The influence of the proportion of keratin/PEO formic acid...

In order to enhance the effectiveness of on-the-job training, and hone the communication and coordination skills of trainees while improving their professional and technical skills. This paper discusses the significance of homework sharing in vocational training, the principles of task selection, the...

Frequency automatic tracking is a main characteristic of ultrasonic power system, especially in the field of biological decomposition. In this paper, after analysing characteristics of multiple peaks of transducer, a reliable power control and frequency tracking strategy is introduced. It is based on...

The application of ultraviolet absorption detector (UV) and circular dichroism (CD) detectors in series in HPLC systems has been increased in recent years. In this work, an effective method to determine the enantiomer concentration on line in chiral drugs was explored. Ibuprofen (IBP) racemate was applied....

A hybrid technique of additive manufacturing and subtractive process has provided a new solution combining product design and control by software. Wire Arc Additive Manufacturing (WAAM) process wins well-respected because of its low cost and high efficiency of deposition, nevertheless the process has...

Because the exhaust heat is multitudinous and the level of the heat utilization is various, it is significant to exploit the appropriate technologies to convert the waste heat to electricity. In this article, the assessment methods for the exhaust heat power generation system and the comparison on the...

In order to study the influence of the change of hydraulic oil temperature on the control characteristics of the electro-hydraulic servo valve, simulation analysis was carried out based on AMESim software. According to the structural characteristics and working principle of the dual-nozzle type baffle...

The Smart City being expedient and reliable is safe, convenient, cheap, regular, scheduled as well as modern city transportation system. The Trans Semarang buses run simultaneously on public roads, there is bound to be inaccurate arrival time information. Consequently, there is the need for a system...

Electrocardiography (ECG) is an important physiological signal that reflects the autonomic nervous system (ANS) activity. The correlation between ANS measures and sleepiness has been used to assess the drowsiness of a person from spectral analysis of heart rate variability (HRV). Power spectral analysis...

The fractional derivative can be regarded as the Volterra integral of the Abel kernel function and its value is not only closely related to the value of the current moment, but also to the whole history. Therefore, the application of fractional calculus to some viscoelastic materials can well describe...

With the improvement of living standard, vehicles have been widely used in life. However, health problems associated with in-vehicle air quality happen more frequently. Recent researches on in-vehicle air quality control measures for human health are reviewed in this paper. The problems and challenges...

In-depth analysis and study of six unified device fixed value and setting principle, combined with the application of the device setting in the relay protection setting calculation software. Intelligent setting package with protection device common libraries and granular fixed value was designed and...

The course Data Mining, one of the core courses in many majors, has evolved from Data Mining oriented Warehouse, Web Data Mining to the current Big Data Mining. This paper has explored course teaching on discussion in the technology of big data mining and course practice in real data mining. We propose...

Deep basement excavation inevitably induces stress changes in the ground leading to soil movements, which may cause adverse effects on existing tunnels. Although basement-tunnel interaction has attracted increasing attention recently, the influence of circular basement excavation on metro tunnels is...

The Bonded Logistics Center (PLB) as the Government's Economic Policy Package issued in September 2015. This clarified by Regulation of the Minister of Finance No. 272 Year 2015 on Bonded Logistics Center (PLB) plus the Regulation of the Director General of Customs and Excise No. 1 of 2016, Regulation...

Mobile computing is a term used to refer to a variety of devices that allow accessing data and information from anytime, anyplace, anywhere. The mobile networks are often deployed in complex environments in which to provide a secure transmission and also to detect the hackers. An adversary can capture...

Land and climate are important land potentials in agricultural ventures. Land other than as a medium also grows water storage for plants. Rainfall is the climate element of the water provider for plants. Clove Plant as one of the main plantation plants that are cultivated on farmland by the people of...

The paper sorts out the evolution of education in China under the influence of the epidemic in 2020, analyzes the advantages and disadvantages of pure online education and offline education, and draws follow conclusions: With current technology, the pure online education model cannot meet the educational...

Indonesia is a country that produces the largest coconut in the world. 35% of the coconut volume is coir. Coir is a waste that has not been widely used for construction work. The coir fibers have the highest tensile strength among other natural fibers and have resistance to compressive forces. In this...

Surabaya State University (Unesa) as an educational actor limits physical distance by implementing online learning activities to break the spread of COVID-19. Online learning is usually carried out at a maximum of three meetings and combined with face-to-face. However, in the even semester 2019/2020...

In 1990, Mongolia experienced a volatile change in the social, political, and economic aspects of its society. In particular, inequality, poverty, and unemployment increased exponentially and the differences in development between urban and rural areas increased sharply. During this period population...

One of the actors managing national quality infrastructure in Indonesia is accredited calibration laboratory that regulates the strategic role of facilitating trade activities. Metrological traceability of accredited calibration laboratory is an inherent entity, which determines the validity of calibration...

There has been a shift from traditional classroom instruction to online-based instruction at most universities, including Unesa. As a result, students and teachers collaborate to implement learning using supplementary resources. The happiness of today’s students will increase dramatically as a result...

The railway bridge design and construction must precisely follow the technical standard due to the high impact load and small tolerance on the track component. Building Information Modeling (BIM) can provide the details and accuracy needed for a railway bridge’s design and construction process. The purpose...

The microclimate environment of urban blocks is directly related to its spatial form, which in turn affects the quality of urban public space, especially in science and technology urban blocks with high requirements for outdoor public space quality. In response to the lack of comprehensive attention...

The vent riser is one of the important components of natural gas transportation engineering, that can ensure pipeline safety, and reduce accident risk. Exploring its seismic response under different peak accelerations is of great practical significance for earthquake prevention and disaster reduction...

The phenomenon poses the most insidious demands of urban administration, referred to as urban flooding, which usually causes extensive damage and disruption. Therefore, it is crucial to use sophisticated modeling methodologies that suit current technologies to reduce the potential of these risks. This...

Radial gates play an important part in the comprehensive benefit of hydropower stations. Failures of radial gates are usually related to their dynamic characteristics. To appropriately evaluate the dynamic characteristics of the radial gate, the effect of the pier should be considered. In this paper,...

USV (Unmanned Surface Vehicle) is a tool that can facilitate human work. Conducting surveys, searching in vulnerable areas, mapping, or even exploring for a long time can be done easily by USV. USV technology is currently experiencing very rapid progress. However, this sophistication cannot be separated...

The main purpose of this paper is using modification of nanoparticle layers to increasing the hydrophilic surfaces and enhancing the evaporation behaviors in stainless steel plate. When the products being made, use three different kind of fluids, acetone, ethanol and water to testing the benefit for...

A field experiment was conducted to investigate the single and combined of lead (Pb), cadmium (Cd), and cooper (Cu) on the growth and development of rice plants and the uptake of these heavy metals by rice. The results revealed that the growth and development of rice plants were more affected by combined...

In order to simulate the flow structure accurately and find out the inducement of unstability in a centrifugal compressor with casing structure, three different cases of models were established. By contrasting the simulation result of Case1 and Case2 with experiment data, the accuracy of grids model...

Because the Asphalt concrete pavement heavy-duty rutting, low temperature cracking and anti-fatigue cracking problems are prominent, the author mix the BRA rock asphalt and polyester fiber into the asphalt mixture preparation of wide temperature field asphalt mixture in accordance with various proportions....

The length, number of layers, plane and longitudinal heterogeneity of injection wells of the second class reservoir are serious. The fractures are used to relieve the contradiction between the plane and the strata, and the channel edge and get the remaining oil potential difference between site type....

Stress redistribution induced by excavation often results in tensile zones in the surrounding rock mass. It is of great theoretical and practical significances to analyse the localizations of deformation and damage and to study the complete stress-strain relation for mesoscopic heterogenous rocks under...

Comparative analysis of various electric heating elements used for room heating is presented. Advantages of flat plasma-sprayed electrical heaters in terms of energetic and thermal parameters are shown. Dependencies of specific surface power and temperature distribution through heater substrate width...

Elastic index is the required important parameters in the theoretical analysis and design calculation of components. Mechanical testing method and electrical measuring method are commonly used in engineering mechanics experimental. This article discusses the ultrasonic method which is used to measure...

A series of polyimide was prepared based on 3,3',4,4'-biphenyltetra carboxylic dianhydride (BPDA) with noncoplanar, 1,2,4,5-benzenetetracarboxylicanhydride (PMDA) and 4,4'-diaminodiphenyl ether (ODA). The effect of the polymer structure and imidization temperature on the thermal stability and mechanical...

This paper presents a real-time online monitoring system scheme for power transmission line to achieve the objective of giving early warning to disaster and making decision for extra-high voltage power transmission line. Monitoring terminals with a S3C6410 ARM11 processor as core is equipped on the line...

.The selection of Lyapunov function is depth studied with adaptive parameter identification, where a kind of simple first order system with two unknown parameters is taken as an example. The study shows that the selection of Lyapunov function is completely free, and the proportion of the parameter identification...

Health services are in times with rapid development and ever-changing. With the treatment of an aging population structure, disease prevention and control is gradually transformed into the new medical model, which requires a new generation of digital sound engineering technology to digital, intelligent...

The paper based on the urban floating population represents a significant share of Shenzhen Pingshan new district as an example, analyze the economy, identity, cultural level, of present population. According to the development of Pingshan new district; divide present community into four types, include...

Segmented polyether-polyester polyurethanes with an amorphous hydrophilic soft segment phase were prepared from 4,4’-diphenylmethane diisocyanate (MDI), polybutylene adipate glycol 2000 (PBA2000) and polyethylene glycol 1000 (PEG1000) with 1,4-butanediol (BDO) as the chain extender. Further more, the...

This paper presents a technique to accurately estimate the state of unmanned research and rescue helicopter, Two Kalman filters were used, one for the gyroscope data and the other for the accelerometer data. Our approach is unique because it explicitly avoids dynamic modeling of the system and allows...

This The study of pepper quality at South Bangka in Bangka Belitung islands will build a high benefit for many sectors and considerations, primarily on mapping and development of pepper comodity in the future. This research was conducted to study the quality of Petaling 1 and Lampung Daun Kecil (LDK)...

IEC 62439 defines the parallel redundancy protocol (PRP) which offers zero disruption time for network communication. This paper evaluates the reliability of PRP based substation process bus considering protection functions. Two typical process bus solutions are discussed for a typical transmission substation....

The vision-based hand gesture is an important problem in the field of human-computer interaction since hand motion and gesture could potentially interact with computers in more natural ways. This paper is focused on control of mobile service robot based on vision-based hand gesture recognition. The database...

The finite element software FLUENT is used to analyze the equivalent thermal conductivity and the thermal balance of composites reinforced by line, sinusoidal and pulse bending nanopaper during the heating process. The equivalent thermal conductivity does not change linearly with the increase of thermal...

Before going public, low voltage circuit breaker must be tested, the rated operation short circuit breaking capacity and the rated limit short circuit breaking capacity test are particularly key. Therefore, the short circuit test device must be accurate and reliable, and the parameters which meet the...

The topic of oscillation in spring and block systems in the inclined plane is fairly complex and rarely to be discussed in oscillation research topic. Apart from theoretical calculations, physical quantities in this topic can also be calculated through experiments. This research determines one of the...

Theoretical issues of the use of a fire-fighting soil-thrower for extinguishing forest fires with the presentation of its practical use in conditions of high fire risk are considered. To assess the effectiveness of the use of new units in the article, a study of the information base for the use of existing...