Advances in Engineering Research

The air conditioner is one of the devices that uses a high amount of electricity – more electricity consumption means more heat and greenhouse gases emitted to the environment if the electricity is generated by fossil fuel sources such as coal, diesel, natural gas etc. Energy-efficient control algorithms...

To support and facilitate online learning and evaluation activities in distance learning activities during this pandemic, relevant media are needed. Therefore educators must be ready to use educational and innovative learning media. Along with the rapid development of technology, many website-based applications...

This paper proposed a system to survey candidate popularity for governor of Jakarta in 2017 from Twitter, Facebook, Instagram, YouTube, and Google Trends. While traditional surveys take days or weeks to complete, the system demonstrated results instantly and continuously. This paper aims to measure the...

Coal is used mainly in boiler units as a heat energy generator. The non-renewable nature of coal encourages creating alternative fuels, such as briquettes. The abundance of organic material in dairy sludge has potentially becomes briquettes. To improve the quality of the briquettes, it is necessary to...

Mongolia is not only a landlocked country located between China and Russia, but also boasts the shortest route between Asia and Europe. The main bridge connecting any country is the axis of transport infrastructure, and the main economic activities such as tourism, foreign trade, exports and imports...

The study highlights the impact of increasing population growth, geographic change, and rapid development on global energy demand. The high reliance on non-renewable resources, such as oil and coal, poses significant sustainability challenges, given depleting reserves and increasing environmental impact....

Prevention of marine pollution is an effort that must be done as early as possible to avoid or reduce marine pollution because marine pollution can have an impact on the lives of living things in the sea and around it. Many things can cause marine pollution, one of which is the operation of the port...

Faculty-level services have not made the best use of technology. One of them is for creating the letters that kids require. This also occurred at Universitas Negeri Surabaya’s Faculty of Social Sciences and Law. Frequently, students must wait one to two days for the letter’s processing. This is caused...

The utilization of natural fiber as a composite material filler is currently developing, along with the increasing use of these materials which is increasingly widespread ranging from simple ones such as household devices and appliances to the industrial sector. This composite research reinforced Gebang...

There is increasing demand for strengthening ageing steel structures, and bonded carbon fiber reinforced polymer (CFRP) plates strengthening is becoming more widely used. The technique can be advantageous compared to traditional welded steel plate methods, due to its ease of installation, a high strength-to-weight...

Currently, vascular grafts are primarily utilized in clinical settings for the reconstruction of damaged blood vessels. Autologous or artificial blood vessels are commonly employed in vascular grafts, with autologous blood vessel transplantation presenting drawbacks such as secondary trauma and limited...

Static three-point bending test of Web-core steel sandwich panel was performed. The deformation and failure of the sandwich structure were investigated,together with the finite element simulations, which considered the weld width of the laser-welded T-joint. The results indicate that the initial yield...

This paper describes a power assisting device with the help of the stair handrail. The slope of the stair handrail not only changes the forced direction of the objects, but also changes the ways of putting strength. The adjustable clamp system can adapt to different types of stair handrails.The fixed...

An dynamic filtering based obstacle detection algorithm is proposed for the navigation and control of Autonomous Land Vehicle (ALV). The algorithm detects the obstacles using sequential sonar data from dual sonar sensors. The sonar model is described at first. Then the obstacles' features, depicted as...

Based on the cable theory and the curved beam theory, the 3-DOF galloping model of iced transmission lines was established. According to the Hamilton principle, the three-freedom galloping models based on cable theory, based on the curved beam theory, based on the curved beam theory considering the boundary...

The seismic response on linear viscous damping energy dissipation frame structure is studied. In the vibration equation of seismic action, the damping matrix is not orthogonal to vibration mode of the frame structures installing linear viscous damper. Therefore, the traditional mode decoupling method...

Based on design of chemical composition, reasonable adjustment and optimization of smelting and continuous casting process, reheating process, rolling process and cooling process etc., Anyang Iron And Steel Group Co., Ltd. produced successfully 5.5 mm high carbon steel wire rod grade C82DA for conversion...

A maintenance schedule evaluation method for transmission and transformation equipment considering operation risk of power system is presented. The Sequential Monte Carlo simulation is used to solve probability problems. Considering the effects of equipment maintenance, a liner programming model is made...

This paper introduces the working process and technical parameters of drive head on CBM vehicle drill rig in detail. With structural parameters as design variables, minimum volume as objective function and parameter and checking conditions of single gear transmission axis and gear as constraint conditions,...

In order to overcome the influences of model mismatch or sometimes non-linear variables and interference in generalized predictive control process, that cause a lag, being unstable and uncertain and make the predictive result not ideal, the paper presented a generalized predictive optimization control...

The application of single-sign-on is a technology which aims to manage the access control of the internal systems of enterprises. The traditional single-sign-on models cannot simultaneously meet the requirements in implementation, manageability, system pressure, and security. In this paper, based on...

Program checking is an interesting and challenging problem. Many kinds of programs can be formulated as polynomial programs, expressing the same meanings in a mathematical way. Moreover, with the mathematic framework of semi-algebraic systems, the polynomial based model checking can be applied directly...

This paper researches the influence factors of carbon emissions from the perspective of the China’s urbanization. Firstly, based on the STIRPAT model, the paper builds a relational model of carbon emissions and urbanization. And then it uses the China’s annual time series of urbanization, per capita...

In recent years, the relevant standard release also makes high temperature insulation material used in the mobile substation main transformer to the systematization and standardization. Meanwhile, the mobile substation is also gradually to greater capacity and higher voltage level terms. Understanding...

On theory of multisensor state fusion estimation, more research is a single rate synchronization problem, however, it is the multirate asynchronous problem often encountered in practice. Therefore, research on the state fusion estimation of asynchronous multirate multisensor have more practice application...

The new kind of bio-based polyamide56 fiber has been synthesized by adipic acid and 1,5-pentanediamine, which was prepared by fermenting a variety of starch. The spin ability, physical and thermal properties of bio-based PA56, PA 6 and PA 66 were evaluated through systematic investigation and measurement....

Hybrid sleeve bearings are normally lubricated with high viscosity lubricant, the temperature of oil film increases with the increase of rotating speed. The low viscosity lubricant can decrease the temperature, which is the efficient method to increase the rotating speed of hybrid sleeve bearings. A...

To improve the corrosion resistance of N80steel, Ni-W-P coating was prepared by electroless deposition. The corrosion properties for Ni-W-P coating were investigated in hypersaline ground brine. Results of weight loss tests show that the corrosion resistance of the Ni-W-P coating is 10 times of N80steel...

In order to effectively restrain the high-frequency harmonic components in compensation current and reduce the reactive power compensation claim to the dc voltage amplitude, we present a new topology of Static synchronous compensator (STATCOM). This method changes the property of impedance by connecting...

The paper represents a multi-stage control system of mechanical transmissions of trucks and buses, it considers the process of the system operation when starting the vehicle and the gear shifting. It represents a general diagram of the control program of the multistage manual transmission, built into...

Based on the constitutive equation and deformation equation, the total stiffness matrix of laminated composite beam with T-section are built up by using the relation of 3D stress-stain transformation. Then calculation methods of the axial and bending stiffness of laminated composite beam with T-section...

According to the research on pedestrian collision avoidance in Xizhimen subway station of Beijing, This paper gives some optimizations about existing pedestrian collision avoidance model in subway station aisle. Through analysis and observation of survey data, find that the psychological repulsion force...

In this paper, the static load of 70t aluminum railway tank is calculated by the calculation of the FEM in different working conditions. It describes the selection of allowable stress about Aluminum material 1050A which used in stress analysis intensity calculation of Aluminum railway tank. The results...

Blade icing is problematic to the safe and efficient operate of wind turbine. It is important to prevent and remove ice from the blade surface. To invest the characteristics of blade surface icing of wind turbine, wind tunnel tests were carried out on the wind turbine blade with NACA0018 and NACA7715...

In order to research the propagation characteristics of the satellite channel under the environment of the cloudy and foggy, a satellite channel two-state Markov model under the cloudy and foggy weather is proposed. Firstly, the influences of the multipath effect, shadowing effects, and cloudy and foggy...

Jeron Beteng in Yogyakarta have evolved throughout history in relation to the existence of the Palace of Yogyakarta. Inhabitants of Jeron Beteng have been living there for generations and their activities are reflecting the support to the preservation of court culture. Some inhabitants are still dedicating...

The purpose of this research is to improve the gas pipe structure of Ultra Large Container Vessel by reducing ship's life and logistics costs, used for maritime logistics transportation. For this purpose, we define the basic structure of the gas pipe currently in use on the vessel. And we want to show...

The service life of the transformer is determined by its solid insulation performance. However, it is a rather difficult job to quantitatively evaluate the aging conditions of cellulose insulation materials of the transformer by traditional methods. The existing researches show that the cellulose aging...

This paper mainly presents that the influence from high-frequency wave disturbances to the motion of the AUV when it operates in shallow water. To solve the issue above, a nonlinear observer is proposed to derive the disturbance information of wave by estimating the shallow water wave’s velocities and...

The emergency resource scheduling of hazardous material incidents involves many problems, which affect the people's life and property safety. On the one hand, the paper analyzed the causes of hazardous material incidents caused by human factors; on the other hand, we have put forward corresponding emergency...

In order to improve the integration of military and civilian scientific equipment maintenance warranty period is determined, aiming at the shortage of existing methods to determine the warranty period, the warranty period for the integration of military and civilian equipment maintenance is studied,...

The article conducts the study of the circulation of power in the diagnosis of the car on the brake stand that is kinematically connected with the supporting rollers. Case study. It is suggested that the longitudinal displacement of the wheel operating in braking mode on two kinematically connected support...

The article reveals the application experience of directional hydraulic fracturing to reduce rock heaving intensity in the development opening of the following longwall face. The authors developed a scheme of roof weakening at longwall exit from the installation chamber. It also helps prevent rock heaving...

Protein arginine methyltransferase 1 (PRMT1) forms S-adenosylhomocysteine (SAH) and arginine by transferring methyl of SAM(S-adenosyl-L-methionine) to the substrate arginine, and then various effects in vivo occur. Our research group designed and synthesized 28 PRMT1 inhibitors which take furan ring...

The purpose of this study is development the Student Worksheet based on theoretical and empirical feasibility. The theoretical feasibility of the Student Worksheet is based on the feasibility of the content, language, presentation and graphics. The empirical feasibility of the Student Worksheet is reviewed...

The purpose of this study is to determine whether there are differences in mathematics learning achievement between students who were taught by using a miniature car with students taught by conventional methods in fourth grade students of SDIT MTA Gemolong Sragen regency for academic year 2015/2016....

Experiments and simulations were conducted to investigate the combustion and emission characteristics of ethanol/diesel dual-fuel combustion. The experiments were performed on a light-duty diesel engine with direct injection of diesel combined with port injection of ethanol. The results showed that the...

software, and the actual monitoring data are analyzed; at the same time analysis of slope support

A frequency domain deceptive jamming method is proposed against ISAR based on the electromagnetic property. The RCS of a 3-D vessel model is computed to build up the target template. The template is used to modulate the intercepted radar signal in frequency domain. Containing the electromagnetic scattering...

Ships have been preferable transportation modes in archipelagic countries like Indonesia because of their capability of transporting heavy loads. Indonesia has a great potential in maritime business and employment. However, accidental rate on board is also very high. Therefore, human behaviors during...

The allelopathic potential of various plants, including coffee species, has been studied. Although the allelopathic potential of coffee leaves, stems, and roots has been reported, there is no detailed information about coffee callus. Since this callus produces bioactive metabolites, we focused on investigating...

Challenges often arise on construction project sites in connection with communication related to site activities. Despite the wide recognition of the importance of communication within the construction industry, organizational and personal factors invariably render site communication ineffective. This...

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...

Oil palm sap is a potential alternative raw material for producing palm sugar because it contains high levels of sugars, namely approximately 86% glucose and 15–17% sucrose. This study aims to determine the sugar content and physicochemical properties of palm sugar derived from oil palm sap, to analyze...

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...