Advances in Engineering Research

The purpose of this research is to know the work pressure faced by modern Indonesian seafarers and their long distance relationship with their family. Five seafarers who originally lived in Jakarta participated in this qualitative study. Data were gathered through interviews by mobile phone. Thematic...

The article presents the dynamic characteristics of a car with a two-stage spring suspension. The author investigates a system with asymmetric mass-inertial characteristics. Depending on the ratios of the mass-inertia parameters, possible solutions of differential equations are obtained. It follows from...

Enhancing agricultural production is important as an effort to support food security. The main commodities need to be improved are crops, namely maize and soybeans which become an important element in agricultural system. A low production of crop and lack of product availability need to be improved through...

Intensive mining in the Kuzbass region (Russia) and high environmental impact imply the development of both energy saving and environmental saving technologies. One of the directions is the decrease in the use of heavy vehicles via the non-transport flat seams mining. At the same time to increase the...

This study aims to describe the shifting patterns of pre-service teachers’ conceptions on the material of colligative properties of solutions. The occurred misconceptions were then overcome using metacognitive learning strategy. The pre-service teachers’ conception status was determined by the results...

With the constant development and popularization of computer information technology, people for the dependence of the computer control system is also increasing, using computer to realize the control of other electronic equipment is the important trend of the current computer technology.Embedded system...

before and after supporting the simulation, verification of MIDAS/GTS in analysis of slope stability

The object of this study was to investigate application of biochar and biochar-based fertilizer on the peanuts content of nutrient absorption and yield. The results showed that applying biochar-based fertilizer can improve nitrogen, phosphorus and potassium absorbed dose. In comparison with the lower...

With the real-time imaging tracking technology is widely used in various fields,military response to real-time tracking system,the precision and rapidity requirements are also increasing.This system for moving object in video monitoring field,designed target tracking system based on TMS320C6455 of dual...

The analysis of perforated members is a 3D problem in nature, therefore the traditional analytical expressions for the ultimate load of thin-walled steel sections can't be used for the perforated steel member design. In this study finite element method (FEM) and artificial neural network (ANN) were used...

The Odd-Even Number Policy intended to limit the DKI Jakarta Provincial Government has implemented vehicle traffic. Since its first implementation in 2016, this policy has undergone several changes, such as the number of roads and active duration. The purpose of this study is to analyze and evaluate...

Indonesia is one of the countries affected by climate change. One of the most significant effects that happen in the environment is global warming, which causes the air temperature to rise. Climatic conditions will directly affect the human body since the air temperature influences the human body. Indonesia...

The world population has risen significantly in the last several decades, and this phenomenon creates a challenge to provide affordable housing for the family. Indonesia, the fourth largest populated country in the world, recently has a well-known national program regarding this issue, namely one million...

In the information era, teachers’ Technological Pedagogical and Content Knowledge (TPACK) is teachers’ important knowledge foundation and guarantee, and online research and studies is a new pattern for teachers to develop education. In consideration of this, the mode of problem-solving is proposed in...

Programmable Logic Control (PLC) is a microprocessor used for automation in industrial processes such as control and supervision. For this reason, PLC courses are important to be given to students as a preparation for entering the industrial world. PLC subject must be supported by a trainer who can represent...

The accurate calculation of land area is a fundamental task in various fields such as agriculture, urban planning, and environmental management. Traditionally, Differential GPS (DGPS) has been the standard technique for measuring and calculating land areas due to its high accuracy and reliability. However,...

Climate change governance presents unique challenges for existing systems and requires urgent adaptation to address the deepening climate crisis. The interdependence of basic human needs—water, food, and energy—necessitates a holistic view to better understand the complexity of the dynamics of climate...

With the increasing population density in popular cities and the surge in new tourist flows driven by short-video platforms, passenger volumes at major high-speed rail hubs have risen continuously, especially during holidays, posing challenges for emergency evacuation. Taking Beijing South Railway Station...

The bio-drying method of the organic fraction of municipal solid waste (OFMSW) can reduce leachate volume but has not completely removed leachate. This study focused on comparing the OFMSW bio-drying process in a batch reactor with recirculation and non-recirculation leachate. The comparison run at 15...

In this survey, there is a systematic assessment of the existing plans of manufacturing Quantum. Their ability to make Intermediate Representations (QIRs) sell optimization solutions to problems, plasticity in the both hardware and verification. We survey the existent methodologies and identify them...

A major earthquake with a magnitude of 7.0 on the Richter Scale occurred in the Province of West Nusa Tenggara in 2018. Along with the deaths caused by the earthquake, public infrastructural facilities also sustained significant damage. One of the many losses experienced by the people of West Nusa Tenggara,...

The urgency of population aging and housing conditions has made the residential environment a crucial factor influencing the health and well-being of elderly individuals, particularly in rural areas. In China, elderly residents in rural regions commonly face aging housing structures, inadequate indoor...

This study aims to identify an effective surfactant-polymer (SP) injection design for Enhanced Oil Recovery (EOR) in sandstone reservoirs through laboratory coreflooding experiments. Two Berea sandstone samples with different permeabilities—Core E3 (123.33 mD) and Core BB2 (438.26 mD)—were used to evaluate...

Hemodialysis is an artificial kidney replacement therapy that aims to control blood pressure and balance important minerals, such as potassium, sodium, and calcium, in the blood. The osmotic and ultrafiltration processes in the hemodialyzer were affected by the blood viscosity flowed through the permeable...

This paper investigates a method for calculating surge height under the resonance effect between earthquakes and water bodies, focusing on the disturbances caused by seismic waves in large water bodies such as lakes, oceans, and reservoirs, and the resulting resonance phenomenon. Through theoretical...

In the context of the deep promotion of the Healthy China strategy, hospital accessibility has become an important indicator for measuring the level of urban public services. This study evaluates the accessibility of hospitals under multi-transportation modes with the help of kernel density analysis,...

Drones have gradually become an essential aerial vehicle in contemporary human life, so finding a suitable control method has become a research direction for scientists. Simultaneous Localisation and Map Building (SLAM) technology is considered to be a big hit technology in the future drone control field,...

Research on land use changes is very important at this time because land use changes have an impact on the physical and social environment. This research aims to determine changes in land use in Canggu Village, North Kuta District, Badung Regency, Bali using satellite image data and Geographic Information...

Bangladesh, being completely of a low-lying landscape and extensive river systems, highly exposes its terrain to seasonal flooding that inundates roughly 25% of the lands in this country every year. This is an escalating threat which climate change and rapid urbanization are intensifying further. In...

Nowadays, stationary dustbinis unable to meet the needs of movement disorder patients. This paper describes a kind of medical intelligent dustbin.After the patient in a hospital bed press the button, the dustbin can reach the specified location steadily and swiftly along the presupposed routine. The...

In order to optimize and upgrade the pressure releasing effect of blasting breaking hard roof, influence factors of it was analyzed by theoretical analysis, numerical simulation and field practice. Firstly, the impact on charge structure (charge uncoupling coefficient K, charge axial coefficient le and...

Sudden water pollution accidents have great harm to the ecological environment of human society. In recent years, the water pollution accident has been the main content of the environmental pollution accident in our country. It is very necessary to simulate and evaluate the impact of sudden water pollution...

This paper puts forward a kind of environmental monitoring system of internet of things based on data fusion technology. The system can real-time collect the temperature, humidity and other environmental parameters, wirelessly transmit the monitoring data through the wireless environmental monitoring...

The LDPC code, namely low density parity check code, is essentially a linear block code. Its decoding performance is closer to the Shannon limit than the Turbo code. The definition and description of LDPC codes are introduced in this paper. LDPC coding method includes the Algorithm of LU decomposable...

With the implement of the 13th Five-Year Plan and the Belt and Road Initiative, there will be a new railway construction cycle. Considering the influence that the density of railway network and population have on regional economic, a reasonable arrangement of the railway expansion gains its' necessity....

For the electrical transformer equipment state analysis to obtain the accurate status, and reliable maintenance strategy, to long-term safe, reliable and economic operation of the power grid is particularly important. So, it is proposed the condition evaluation method of the power transformer equipment,...

Android is a smart mobile operating system with a huge market share, its security has received widespread attention by researchers and customers. The system architecture of Android is introduced, the security mechanism of Android is analyzed, the platform classification and characteristics are summed...

Grounded electric source Borehole TEM is introduced in this paper to find the deep conductive ore body, particularly in areas where the ability of surface TEM to define a target is limited either by large depths or by interfering conductive bodies such as overburden shallow sulphides and peripheral mineralized...

Considering the current problems of low real-time performance for data acquisition and poor monitoring capacity in the production line monitoring system, this paper introduces a production line visual monitoring system, this system introduces the radio frequency identification technology (RFID) into...

According to the early disease of bridge deck pavement caused by waterproof-binding course, pavement performance of commen waterproof-binding course was was studied. First, determining the optimum spraying volume of modified asphalt under different treatments of leveling course through the pavement multi-function...

The SOC (state of charge) of the Li-ion battery cells in a pack are different because of the property differences, which would lead to over-charging/over-discharging the battery pack and as a result the service life of the battery pack would be reduced. In this article, we designed a battery management...

Introduced the important influence on the forklift overall performance and job security of the fork structure parameters. Emphasized the pros and cons of the mechanical properties of the forklift fork structure. Analyzed the simplified fork structure and the rated payload then accomplished the static...

In this paper, the preparation of polymeric nanocomposite based on carbon nanotubes or/and graphene by radiation techniques were reviewed. The preparation of polyhedral poligomeric sisesquioxane (POSS)-polymer and montmorillonite-polymer nanocomposite using radiation methods were discussed. And the preparation...

A new measurement system was designed in order to improve the accuracy of the non-contact type high-precision measurement of Steel bearing aperture. Firstly, the median filter preprocessing algorithm was designed to remove the impulse and salt-pepper noise in the image, and the edge details of the image...

A reduced beam section with a bolted web connection (RBS-B) is permitted for use only in Intermediate Moment Frames (IMF). In order to investigate whether IMFs with RBS-B connections provide a satisfactory seismic performance, this study evaluates the seismic performance of 3-, 6- 9- and 20-story IMFs...

To solve the problem of quantitative identification of the state of Duffing oscillator and determination of the critical threshold of reference amplitude, a combined weak signal detection method is proposed in this paper. The STFT statistical characteristics of Duffing oscillator in chaotic state, intermittent...

As the scale of the grid expanding, the operation and maintenance of power grid dispatching and control system becomes more complex. In order to deal with the challenge and improve the efficiency of operation and maintenance, the implementation of intelligent operation and maintenance for grid dispatching...

This paper presents results of experimental studies on temperature dependence of surface tension, lead alloy density, bismuth lead wetting angles for ferritic martensitic and high-nickel steels, surface tension polytherms, zinc-aluminum-molybdenum-magnesium system (Serbian bronze) density and wettability...

The competitiveness and longevity of machines and mechanisms are a vital task of modern industry. Its solution is based on research of methods that uniquely create a structure with specified physical and mechanical properties. Modern studies of promising methods involve the use of a large number of fields...

This article aims to explain an android-based instructional media development procedure to enhance teaching and learning. At present we have entered a new era that demands technological literacy and data literacy, namely the big data era. People also call it an era of disruption 4.0. Some characteristics...

According to the problem that there are redundant control overheads in community partitioning phase and the large transmission delay and the low success rate in transmission phase in the community-based opportunistic network, we propose EDCRA (Efficient Distributed Community-based Routing Algorithms...

Symmetric nonnegative matrix factorization(SNMF) has widely employed in many areas of applications. Authors proposed a novel Lanczos tridiagonalization-based initialization method for SNMF, which can be combined with existing SNMF algorithms and achieve higher efficiency. Experiments show that the SNMF...

Graphene sheets and copper powder were dispersed into Polyvinyl Alcohol (PVA) solution by magnetic stirring, and then pre-coating the mixed solution on the polished AISI4140 substrate. Then laser cladding and laser remelting process were used to fabricated graphene copper and iron composite coating....

Water supply capacity is an important index for evaluating a city. In this paper, AHP (Analytic Hierarchy Process) is used to establish an index system and evaluation standard of the ability to supply water, and 15 evaluation indicators are put forward from 4 aspects of the relationship of supply and...

Bamboo is mostly used in the architectural and room interior scope as additional material for room aesthetics. Handicrafts that are often used for this scope are woven bamboo in the form of sheets or board. This study aims to determine the acoustic abilities of bamboo woven panels based on the absorption...

Plant extract are natural additives that are in great demand. Many biological capabilities of plant extracts in the fields of health and medicine, make research on plant extract quite rapid. Mangosteen (Garcinia mangostana L.) is one of the most famous fruits in Indonesia. In this paper, the antimicrobial...

Autism Spectrum Disorder is one of the fastest-growing neurodevelopmental disorders in the world. These neurodevelopmental disorders often attack children, affecting social development and behavior. Effective early detection of ASD is needed to reduce the risk of ASD in children. This study classified...

Accessing data from modern cloud databases remains a significant challenge for users without expertise in Structured Query Language (SQL), creating a bottleneck in data-driven decision-making. This paper introduces Querier, a system that bridges this gap by leveraging a Large Language Model (LLM), specifically...

The increasing integration of Internet of Things (IoT) devices into everyday life has expanded the cyber threat landscape, exposing both individuals and organizations to dynamic and evolving security risks. Traditional cyber insurance models, which rely on static risk assessments, often fail to account...

This study aims to analyze antenna characteristics at a frequency of 2.2 GHz, including return loss, VSWR, gain, bandwidth, surface current, and radiation pattern values. Antenna characteristics were designed using simulations made with FR-4 substrates with dielectric constant ...

An oil Change is the act of maintenance on the Excavator Vaia Car (Special Equipment) at the Ngrombo Railway Maintenance Center. The research aimed to investigate the feasibility of engine oil for the Excavator Vaia Car. The method was taking the engine sample oil from 0 months to 6 months with 1 month...

E-commerce is blooming in Malaysia. Benefited from the blooming of e-commerce, courier industry gained rapid growth in Malaysia as well. One of the challenges in delivery services is failed delivery attempt. Smart mailbox is a potential solution for this challenge. With the rising of Internet of Things...

Mangroves are among the most productive and biologically important ecosystems in the world, providing many services that bridge processes in the ocean and land. One of the species of mangrove forest in the Banggai Kepulauan is Rhizophora apiculata Blume. Regional development and climate change pose a...

After several years of operation, there is a discrepancy between the measured data from the piezometric pipes and the initial design infiltration line of the dam. A mathematical model can be established to infer the permeability characteristics of the rock and soil materials in the earth dam based on...

The heights and height differences of pier structures in different terrains vary, and their damage characteristics under seismic conditions also differ. In order to further explore the influence of pier height on the seismic resistance of rigid frame bridges, this study takes a group of equally high...

Dye Sensitized Solar Cell (DSSC) is a solar device that works based on the principle of electrochemistry, where the sensitive dye is absorbed by the TiO2 photoelectrode layer. The disadvantage of this solar DSSC is that it still has low efficiency compared to silicon solar cells. This study investigates...

Natural disaster is one of the important factors threatening the safety of human life and property, natural disaster investigation and assessment can effectively help human beings to understand the mechanism of natural disasters, the response process and the level of ability to defend against natural...

China is presently undergoing a transition in urban development, aiming to facilitate the high-quality advancement of urban buildings during the renewal phase. In this regard, this paper focuses on the existing rural residences in the suburban areas of Hohhot, Inner Mongolia, conducting field surveys...

This study aimed to investigate the effects of various exogenous additives on crop salt tolerance, utilizing sorghum and wheat as model plants. We measured soluble protein content, malondialdehyde (MDA) content, and peroxidase (POD) activity to elucidate the response characteristics of these crops to...

The Jongor Tegal Coastal Fisheries Port (PPP) plays a vital role in supporting fisheries activities in Central Java Province. With an area of approximately 17 hectares, this port can accommodate hundreds of fishing vessels and provides adequate facilities for fish loading and unloading activities. This...

In view of the ambiguity solution is the technical difficulty in the relative position of the carrier phase differ-ential. This paper introduces the principle of the carrier phase differential relative positioning and the process of integer ambiguity solution in detail. The ambiguity is solved by LAMBDA...

In high-speed train, the harmonics generated in invertor due to control and nonlinear of switch may lead to the torque ripple in different frequency and amplitude. The driving device which consists of rotor, coupling, gear, shift and wheels of bogie has some resonance frequencies. When there are frequencies...

Recently, in the field of high voltage equipment, polymer nanocomposites have received increasing attentions, due to their excellent electrical properties, such as high breakdown strength and high resistance to partial discharges, and their good mechanical and thermal properties, such as high mechanical...

Five batches of raw silk were tested in the electronic testing for raw silk on the raw silk electronic detector, meanwhile, the current test of raw silk was done in accordance with GB/T 1797-2008 standard for raw silk, and the correlation between indicators of the electronic testing and the current test...

In order to timely and accurate understanding of propellant in the process of storage, security, need for stabilizer determination of propellant, the microwave-assisted extraction (UAE) and solvent-dissolve-water-precipitation extraction (SDWP) were used in this paper for chromatographic analysis of...

The grouting materials are widely used in construction materials for a long time and play an important role in the construction engineering. The flexural strength and compressive strength are the basic properties of cement based grouting materials. Therefore, the strength at a certain age of the cement-based...

Because the breaking characteristics of contacts decide the reliability of miniature breaker, it is necessary to study it. In this paper, the mathematic theory is firstly elaborate. And the 3D model of contacts is built after that. Based on virtual prototyping technology, the breaking characteristic...

Due to long-term development of water injection and vague awareness of heterogeneity in Tou Tai oilfield, remaining oil form and gather, which form potential area. In order to resolve this problem, fine division and correlation of strata is needed. In guidance of theory in high-resolution sequence, considering...

Caverns with high pressurized water ahead of tunnel face tend to cause water inrush. So, the determination of the critical safe thickness of the water-resisting rock wall to prevent water inrush geohazard is of great significance during karst tunnel construction. Firstly, to obtain the critical safety...

In this paper, we study how to allocate the capacity of links in order to both restrain the propagation of cascading failures and to improve the robustness of the whole power grid system. Based on related works, we propose a graph-aided model which maps the real power grid into a graph. It can be viewed...

The brick crusher hammers were used in factory, which wear-resisting was poorer. According this phenomenon, the single structure was designed in symmetrical fission structure. Firstly, high chromium cast and low alloy steel were casted into half of the bimetal hammer head, then two new type bimetal hammer...

A molecularly imprinted polymer (MIP) was synthesized by bulk polymerization method using tribenuron-methyl (TBM) as the template molecule, methacrylic acid (MAA) as the functional monomer, ethylene glycol dimethacrylate (EDMA) as the cross-linker and 2,2 -azobisisobutyronitrile (AIBN) as the initiator....

In this paper, based on the chemo-thermo-poroelasticity model of saturated porous medium undergoing the local thermal non-equilibrium (LTNE) conditions, the pore pressure and chemo-thermal stresses around a cylindrical hole in an infinite fluid saturated porous medium subjected to sudden variations for...

Image segmentation is the first step of GEOgraphical Based Image Analysis (GEOBIA). Because of no obvious mathematical relationship between the parameters of segmentation algorithm and the optimal segments, users select parameters by “trial and error” method, which is time-consuming and subjective. This...

Er and Sr were added to 5052 Al alloy to investigate their possible effects on the microstructure and mechanical properties of the alloy. The results show that while Sr addition has a moderate grain refinement effect and has no positive effect on alloy plasticity, Er addition refines both the grain size...

Aiming at defects of large computational complexity and poor real-time performance of the traditional steering response power-phase transform (SRP-PHAT) sound source localization algorithm, a SRP-PHAT sound source localization algorithm based on chaos artificial bee colony algorithm was proposed. In...

More and more web services are composited together to accomplish more complicated tasks. Replaceable web services with same function need to be evaluated effectively, so as to select the best one. This paper selects better service by response time, which is easy to collect on client side machine. According...

The contradiction between the development and utilization of the sea area and the ecological protection, as well as the double contradiction formed by the conflicts between the various departments, has become a difficult problem in the planning and management of the sea area. In this paper, ESV is calculated...

Javanese people believe that between "containers" with "content" required the balance, alignment, and even harmony that created peace of mind, prosperity in welfare, and prosperity in life. The harmony between the container and the content is symbolized by the existence of the unity concept of the microcosm...

As the most mature kind of solar heat utilization technology, solar hot water system has been widely used and popularized. In this paper, the evacuated tube collector and the flat-plate collector are used as the research object. The two kinds of collector are most used, while the proportion of use at...

In order to improve the low-carbon and economic benefits of electric vehicles (EV), this paper proposes a cooperative dispatch model of electric vehicles and wind power. The objectives of the model include the lowest carbon emissions, the lowest cost of thermal power and the lowest equivalent load variance....

The sensitivity and response of a car-follower are marked by the follow-up response in the form of speed conversion that will generate either acceleration or deceleration. The study equipped a hidden camera which was operated through the iOnRoad Pro application to observe the speed and acceleration of...

The airborne and spaceborne SAR system are not universal access to a large area due to its higher cost and harsh demand conditions. This paper presents a vehicle millimeter wave SAR system. According to the features and application needs of the platform, this system uses range migration algorithm (RMA)....

During the development progress of modern society, information construction has played a quite important role. In the modern agricultural development, the agriculture is the major information, which can solve the problems during the development of agriculture. In this paper, based on the "Internet+"...

In order to reducing the energy consumption of the train running between the stations, ensuring punctuality and the comfort of the passengers, this paper studies the train energy-efficient operation strategy. After taking account of the slope and the speed limit of the line, the model of multi-objective...

This study is about biogas purification process by reducing the CO2 content in order to increase the heating value of biogas by using Ca(OH)2 and NaOH solution as the absorbent in a bubble column. The purpose of this study is to determine the effect of the sparger hole diameter and the height of Ca(OH)2...

The method of intensive Vanname shrimp cultivation in Pasuruan Regency is carried out using the Budidaya Udang Skala Mini Empang Plastik (BUSMETIK) system. BUSMETIK system for Vannamei shrimp cultivation is a very productive economic activity, but the quality of the cultivation environment determines...

The problem of this research is to generate electrical energy in the power plant which is located far from the load center, so it requires a transmission line in order to be distributed to the public. The purpose of this research is to find out the ratio on the primary (20,000Volt) and secondary (400Volt)...

Maximum Power Point Tracking (MPPT) is a technology used in PV solar inverters to optimize output power under ideal sunlight conditions. It can reach the value of the Maximum Power Point (MPP) of the PV system. In addition, this MPPT is used to adjust the power needed by the load on the grid. The presence...

This study aims to evaluate the ability of nickel-plated copper catalytic converters to the fuel consumption of a four-stroke engine. This experimental research uses Yamaha Vixion Lightning as the object of research. Research instruments used include chassis dynamometer, and fuel flow meter. Fuel consumption...