Advances in Engineering Research

The work is devoted to the electric power system of a hybrid ATV. Currently, electric cars are popular, however, they have a small power reserve compared to cars powered by an internal combustion engine. Consideration of the electric power system of a hybrid vehicle is an urgent task to this day. The...

To increase the productivity of a land in producing cassava tubers and soyabean seeds can be done by intercropping both of them. The objective of this experiment was to assess the harvest and viability of soyabean seeds collected from various crop proportion of cassava-soyabean intercropping as compared...

Phthalate esters (PAEs) are one of the new pollutants widely used by human beings, which are widely present and not easy to be degraded, and have received much attention. In order to understand the concentration and pollution characteristics of PAEs in the water body of Danjiangkou Reservoir during the...

The purpose of this research is to know the river bed change and scour that occurs around bridge pier of Palu I. The method used in this research is simulation using HEC-RAS software. This simulation is done with river topography and geometric bridge as geometric input, average discharge as upstream...

To accurately detect the position of the paper insulating component inside the UHV (ultra-high voltage) transformers and prevent the discharge fault, the research on ultrasonic phased array three-dimensional imaging detection technology of the insulating cardboard position was carried out. Firstly, a...

Curcumin has antioxidant, anti-inflammatory, and liver-protective properties. However, its efficacy is limited due to poor stability and low gastrointestinal retention. This study employs corn zein and phospholipid composite nanoparticles as encapsulating materials to improve the stability and bioavailability...

Medical waste is an infection hazard for humans and requires management according to stricter standards than other types of waste. In the current COVID-19 pandemic, medical waste management to the strictest of standards must take place. Since 2008, real-time medical waste management systems using radio-frequency...

The issue under consideration is an increase in the efficiency of the coal mining industry due to implementation of "lean production" principles. The proposed solutions will reduce the level of consumption of resources, increase productivity, ensure competitive advantage and, consequently, the viability...

The unsharp masking method is a well-known approach for image enhancement but is very sensitive to noise. Low pass filters are usually employed to suppress the noise, but often lead to the blurred edge. To overcome these problems a sharping algorithm for digital images based on spatial autocorrelation...

When the high voltage direct current (HVDC) transmission lines run in monopole grounding operation or bipolar asymmetric operation, most of the DC current will flow the loop consisted of the grounding electrode and AC lines between transformers. This current increases the reactive power consumption of...

Based on a mobile resource management platform, this paper provides a solution for the effective storage and querying of the massive structured data and unstructured data was generated by research and analysis. In the aspect of structured data, this paper first divides the database vertically according...

Composite metal hydroxide Ni0.5Co0.2Mn0.3(OH)2 has been prepared via a co-precipitation reaction method. The obtained powders show a single phase with a typical hexagonal phase of -Ni(OH)2. SEM reveals that the irregular secondary Ni0.5Co0.2Mn0.3(OH)2 particles were formed at the initial stage and the...

In view of the current situation of the storage battery temperature and deformation monitoring is not satisfactory, a flexible sensor signal detection technique for monitoring the temperature and pressure of the battery is presented. The principle and characteristics of the flexible sensor are introduced,...

With the extensive application of a large number of nonlinear electrical components, harmonic and inter-harmonic components in power system become more and more complex. The harmonics, inter-harmonic and fundamental wave are in the superposition state. The traditional harmonic detection method is Fast...

From enriching VIIS-EW independently researched and developed by Jilin University, the development of virtual digital multimeter was finished for the purpose of designing modern intelligent digital multimeter. With the idea of modularization, the virtual digital multimeter was designed for the module...

To further improve the performance of extraction of harmonic signal from chaotic background, an effective data segment based separation method for single channel signal was proposed. The single channel signal is mixed by chaotic signal and harmonic signal, and empirical mode decomposition (EMD) can transform...

In order to acquire the rock strata movement rule above the coal face, which has shallow buried depth and thin bedrock, choosing the 201 dip working face of chang han gou coal mine, Shenhua group, as the engineering background. Using numerical simulation software UDEC, which has distinct elements, to...

Colored non-slip surface coating has an important role in the prevention of traffic accidents and obtains more and more attention and application. This paper based on chemical reaction principle of polymethyl methacrylate with a curing agent to produce a fast secondary crosslinking reaction coating mix....

on the situation of the ventilation system applied in the coal mine, an online-monitoring system is designed, which focuses on monitoring the parameters of the frequency conversion speed regulating fans. An S7-300 series PLC is employed as the operational core in the proposed monitoring system, which...

On the basis of Canny operator on image processing, The edge extraction of the fuzzy droplet images is carried out by combination of removing a small target and morphological open operation .First, Use edge detection operator to detect the image edge preliminary, and then call remove a small target which...

This paper analyzes the status quo of the logistics process and mobile terminal equipment, taking the university laboratory environment as the background, mainly introduces how to use a popular wireless communication technology and intelligent operating system in the laboratory environment, to monitor...

The comparisons of the displacement and strain modal parameters were researched for the vibrating screen upper beam with fatigue damaged crack. The results show that the modal frequencies and the displacement mode shapes have little difference between intact and damaged upper beam, but the strain mode...

Point of interest (POI) is a special kind of point location that combines some information that people may find useful or interesting. Thus, POI query may disclose directly people's sensitive information. Current location anonymity schemes do not pay close attention to information added to locations,...

The theory of two-port network is an important aspect both of electrical or electronics, in the past, researches of two-port network are mostly about port characteristics, parametric equation or the equivalent circuit derived from the equation parameters. In this paper, an equivalent topology for the...

The key photosynthetic CO2-fixing enzyme ribulose-1,5-bisphosphate carboxylase/ oxygenase (Rubisco) is regulated by a protein known as Rubisco activase (RCA). RCA is a soluble chloroplast ATPase encoded by nuclear genome that catalyzes the activation of Rubisco in vivo by the ATP-dependent removal of...

Communication networks in Cyber Physical Systems exchange the data between different devices or participants within a system. In those networks, nodes are not only used for transmitting and receiving the data, but also for deciding the path of data flow. As the nodes must store the routing table and...

DL-Tetrahydropalmatine is a Chinese herbal medicine used for analgesic purposes, whose main active compounds isolated from Corydalis. We investigate the effects of male Sprague-Dawley rats on heroin self-administration(SA) to examine the role for DL-THP. Rats were trained to intravenous injection heroin...

Purpose: To observe effects of antioxidant compounds on the learning and memory impairment induced by methamphetamine (MA) in mice. Methods: Fifty 6 weeks old male C57bl/6 mice were randomly divided into 5 groups: group A was control group, group B was model group, group C was 50 mg/kg group, group D...

The depleting reserves of fossil fuels encourage the arrangement of biodiesel as an increasingly popular alternative. The energy is also more environmentally friendly, and at the same time, low in emission content. The biodiesel feedstock source is also easily found in Indonesia’s tropical forests, yet...

The COVID-19 outbreak has been declared a pandemic, several modern medical drugs of excellent quality, especially immunostimulants, are being and continue to be developed from secondary metabolites of herbal commodities. World Health Organization (W.H.O.) reports the dependence of 80% of the world’s...

Indonesia’s green petroleum coke production capacity reaches 360,000 tons/year. Green Petroleum Coke (GPC) is the most widely used raw material in the manufacture of anodes for aluminium and steel smelters, but it is does not have good quality for smelting because it contains high ash, volatile matter...

Mahakarya Vokasi Virtual Reality (VR) Game is an exhibition of products produced by Indonesian Vocational Education Institutions through strict selection, presented in the form of Virtual Reality games. This study aims to test the user interface (UI) of the Mahakarya Vokasi VR Game in the framework of...

One of the methods for improving the efficiency of power system transmission is the Optimal Reactive Power Dispatch (ORPD). The ORPD technique has been used to minimize the transmission network’s power loss by regulating the system control variables. The control variables regulated by ORPD control the...

The sustainable biomass production of fuels, chemicals, and other commercial products from lignocellulosic materials has received widespread attention. One of the potential biomass resources to be developed into biofuels is tobacco stalks. Production of tobacco plants in East Java Province was 84,100...

In order to achieve the intelligent transformation of the existing inventory management system and supply chain system for tobacco raw materials, this research aims to establish digital twin models of the main storage facilities such as the tobacco turnover warehouse, direct material storage area, open-air...

This article aims at realizing the steel cage skeleton module in nuclear engineering. The article conducts research and analysis of the steel cage skeleton module of the HPR1000, and propose standardized design methods for the division of steel cage skeleton module, node designing, module lifting, etc....

Against the backdrop of rapid urbanization and growing infrastructure demands, traditional civil engineering faces dual challenges in efficiency and quality. This paper examines the innovative applications of artificial intelligence (AI) across the entire lifecycle of civil engineering, systematically...

An injection molding machine is a machine that uses an injection process into a mold to make a product according to the shape of the mold. In this study the aim was to apply the injection molding machine control system method which is still conventional at CV. Guna Teknik, where the previous method was...

Tacit knowledge that dominantly exists in the construction project and embed in humans’ minds could disperse after the project team is disbanded at the end of the project. As the result, repeated mistakes could occur, and lesson learned from the previous project is not optimally utilized for the benefit...

W-beam guardrails are the most widely used road safety barriers worldwide. They are used for protecting vehicle occupants on dangerous areas of roadways. The ability of W-beam guardrails to absorb some of the crash energy reduces the risk of injury for vehicle occupants and limits deformation of impacting...

With the continuous development and progress of computer technology, physical education has been greatly affected by computer Guidance systems in physics teaching can improve students 'interest in learning, improve students' attention. It begins with a simple analysis of the computer system operating...

In order to achieve high mobility for country crossing and the ability of climbing vertical obstacles, a new lo-comotion mechanism that combines legs and wheels is proposed, and a prototype mobile robot that adopts the mechanism is introduced, actions for obstacle climbing is designed. Focused on forces...

in recent years, product design concept has extended and expanded continuously. People's attention to low carbon concept improves gradually. In particular, the concept of low carbon and environmental protection starts to fuse in product design so as to improve environmental protection idea of products,...

Objectives: The aim of this study was to investigate the safety and efficacy of propofol sedation with a computer-assisted target-controlled infusionsystem in elderly patients during endoscopic retrograde cholangiopancreateography (ERCP). Methods: Included were 150 consecutive EPCP procedures elderly...

In online educational courses, knowledge point is the basic unit used for the organization and dissemination of information. Mining the association of knowledge points can help to improve the navigation of course learning. However, it is difficult for the existing mining algorithms to balance the performance...

This paper is intended to study the model of bathtub water temperature in time and space. First of all, a differential function model is chosen as the basic model. Based on the differential function model, the new model considers factors of dissipating heat from water surface and the bathtub. Under the...

In this work, a new type of micro-electrolysis technology using combined materials containing fly ash, iron scraps and lanthanon Gd on the treatment of toxic and harmful aniline wastewater was presented. Fly ash was applied instead of activated carbon in the combined materials and single-factor experiment...

Due to new energy resources, including wind energy storage has been well into the grid, power dispatch and distribution of the operation process involves large-scale, multi type, highly complex data, which contains real-time data, planned data, early warning and monitoring data, environmental data. At...

With the constant improvement of Chinese economic development level, there have been constantly increasing researches on artificial intelligence and database field and the application of data mining in each field has been increasingly wide. However, with the increase of information quantity and data...

Aiming at the shortage of traditional phase-locked method in the three-phase unbalanced conditions of power grid, this paper proposed a novel software phase-locked loop control strategy. This paper introduces in detail the working principle and designing method of the digital PLL by comparative experiment....

In seismic exploration, seismic data is always irregular and incomplete which will influence the subsequent processing. Therefore, seismic reconstruction of missing traces is very necessary. The seismic data reconstruction method based on compressive sensing (CS) has been applied widely in recent years....

Public interest on the thermal comfort of subway cabin is increasing, since more than 90% of the complaints from passengers are about the thermal discomfort. Some passengers may feel hot, while the others may feel cold even in the same cabin due to the uneven temperature distribution in the cabin. For...

The adsorption of Cs+ by a novel extractant-impregnated resin (EIR), was studied using batch adsorption experiments. The new EIR was prepared by impregnating 4-tert-butyl-2-( -methylbenzyl) phenol (t-BAMBP) onto AB-8 macroporous resin beads. Thermogravimetric analysis (TG) and the Fourier Transform Infrared...

China made a commitment in Sino-US Joint Statement on Climate Change that its carbon emissions will achieve the peak around 2030, and the percentage of non-fossil energy in primary energy consumption will reach 20% then. This paper aimed to analyze the how the targets could be achieved by the transition...

This paper mainly discussed the system reliability with the new isolated circuit breaker and the traditional equipment in operation process. Firstly, we established the Poisson marked point process model of the outage time and derived their mathematical expectations. And we used the expectations as the...

Modeling method at present based on traditional manual modeling method has bottleneck problems that restrict the development of digital city, mainly for the long cycle, large workload, high cost. Based on the analysis of digital city and 3D GIS, this paper designs a solution based on CityEngine 3D modeling...

Focusing on the disturbance of ocean reverberation in active sonar detection, this article researched the characteristics of vector ocean reverberation when vector hydrophones were the receivers. By experiments and theoretic analyses, scalar and vector ocean reverberation was gained when transmitting...

This examination paper reveals insight into how to animate the part of ancient design components in Egypt and the UAE as a rule to apply green engineering standards. The paper proceeds to calling attention to the natural components and ideas highlighted in compositional outline and how they are implemented...

The article deals with the issues of existing small innovative enterprises (SIE) at higher education institutions - how stratification and separation in one organization interfere in an active assistance in large successful investment projects. A comparative analysis of successful involvement of SIE...

In the fulfillment of public trust, nonprofit organizations are required to provide information on the source of funds obtained and the use of such funds in a financial statement which will ultimately be assessed the financial performance of nonprofit organizations. Nonprofit organizations and contributors...

A new electrodeposition-based method was introduced to prepare SnO2 nanoparticles for use in resistive-type gas sensor. Different from most electrodeposition methods, the product formed in electrolyte rather than on the electrode was collected and used. This product was easier to be coated onto a substrate...

The demand of indoor positioning become more and more urgent with popularity of the smart home, smart medical, etc. In recent years, the research on indoor positioning has achieved some results, especially the method based on Wi-Fi, which is due to Wi-Fi technology is mature, Wi-Fi signal is relatively...

This article presents the results of experimental studies of definition the mechanical characteristics of epoxy resin and hardener without adding nanopowder and with the inclusion of nanopowders. The stability and destruction process of laminated plates made of composite material with different numbers...

Hydroxyapatite (HA) can be used as drug delivery material in cancer treatment by adsorption of cancer drugs such as doxorubicin (DOX) to hydroxyapatite surface. This experiment studied the effect of pH value and DOX/HA ratio on the release rate of doxorubicin from hydroxyapatite in phosphate buffered...

This research uses only surface control points to parameterize the 3D geometry of a muscle body. Extension from surface to interior is achieved using a harmonic interpolation in cross section and in the lateral direction using NURBS. This representation preserves geometric smoothness, and allow muscle...

Research was carried out on the use of activated carbon from bagasse for processing laundry waste. The method used is the adsorption method with a variation of the length of contact between activated carbon and laundry waste. Laundry waste parameters analyzed included MBAS, phosphate, COD, BOD, TSS and...

Food availability and safety are basic of human rights. The students are a risky group to become the unsafe consumers of snacks because of the threat of biological or chemical contamination that is disrupted the health. Sausages and nuggets are the examples of frozen foods that is the children like....

This paper review and prospect the characteristics of active sonar underwater target feature extraction, which is commonly used at home and abroad, and analyzes the main technical difficulties.

This paper contains an explanation of the fertigation management system model to deal with the water crisis and the efficient use of plant nutrients in the case of agricultural industrial land in Lembang, Indonesia. The method developed uses a time-duration method equipped with supervised machine learning....

The Erdenet tailing storage facility (TSF) is one of the largest in the world with a total area of 18.6km2. Over 40 years of history of Erdenet mining, the process tailing has been collected in the tailing dam and now becomes the biggest resource for research. The goal of this research work is to define...

Wibowo et al. proposed the concept of the fractal Fα –absolutely continuous function and the fractal bounded p –variation function of order α where 0 < α < 1 and 1 < p < ∞ on a fractal set F. In this paper, we study the relationship between those two functions. In particular, we represent...

Due to the complexity of the geometric shape of curved surface arc structure, it is difficult to carry out accurate setting out. Therefore, a visual setting out method for complex curved surface arc structure using BIM and setting out robot is proposed. Using BIM (Building Information Modeling), the...

Bangladesh is bejeweled with variant cultural heritage, variant land topography, and energetic inhabitants. It is also confronted by large risks from disastrous events in the form of floods, cyclones, or earthquakes which affect the citizens and economic stability of that area. Causes, categories, signs,...

Urban areas become one of the highest motorcycle users with urban people who tend to be more open to new things such as technological advances and environmental concerns, so they can follow the development process of electric motorcycles well. Things that need to be considered in this design are the...

Transportation is one of the key areas for energy consumption and greenhouse gas emissions (GHG emissions). Road freight transportation is the core part in CO2 emissions but difficult to calculate due to strong liquidity characteristics. Based on the dynamic data of heavy-duty trucks Global Positioning...

Solar panel-based Public Electric Vehicle Charging Stations (SPKLU) are an innovative solution to support the use of operational electric vehicles. With the increasing demand for environmentally friendly vehicles, the development of efficient and sustainable charging infrastructure has become increasingly...

Judaism is the religion which is attaching great importance to laws. Among many laws and statutes, the laws about charity are of great importance. Judaism does not mention too much on dogmas or creeds but pay much attention to daily life practice. Charity plays a great part in the daily life of Jewish...

As an excellent insulating medium, sulfur hexafluoride (SF6) is widely used in electrical equipment, despite its high global warming potential. Besides, a series of hazardous decomposition products can be formed after long-term use of SF6, so it is very important for power companies to recycle SF6 in...

Ni-P, Ni-P-TiO2 and Ni-P-SiC composite coatings on AZ91D magnesium matrix composite were prepared by the electroless composite depositing. The surface morphology of the coatings was observed by scanning electronic microscopy(SEM) and electron probe X-ray microanalyser(EPMA). The corrosion resistance...

Bulk metallic glass Cu29Zr32Ti15Al5Ni19 was successfully prepared in a copper mold with designing idea of high entropy alloys. The compressive strength of glassy Cu29Zr32Ti15Al5Ni19 is 1673.4MPa. Particular attention should be pay to that it shows a plastic deformation high up to 20% during compression....

a pressure regulator is an essential equipment during delivering natural gas to consumers with the help of pipe lines at present, but the potential pressure energy of high-pressure natural gas is not recovered. So a gas expander is employed to replace some regulators to recovery pressure energy during...

The renewable energy generators have the feature that varies as weather changes. The fluctuation of the power output will break the balance of supply and demand among the electric power grid, bringing risk to the whole power system. In March 20, 2015, total solar eclipse caused a sudden drop and then...

This paper is concerned with the disturbance rejection of weighted multiple-model adaptive control (WMMAC), in which the error index of weighting algorithm has been improved to filter out the influence of severe disturbance. Simulation results verified the effectiveness of the proposed scheme.

It is very important to obtain the distribution of passengers awaiting the train, which partly determines the number of passengers in each car and the train dwell time. The aim of this paper is to study and model the dynamic distribution of passengers on metro station platforms prior to a train’s arrival....

Coal is used as the basic energy source in China, however, the exploitation and utilization of coal has a serious environmental impact. Compared to coal and petroleum, the LNG has less storage space, easy transportation and storage, large calorific value, and higher safety performance. Therefore, we...

By exploring statistical process control (SPC) technology in the printing and packaging.

M-ary spread spectrum telemetry is employed to overcome the constraints imposed by spreading factor in data rate. In this paper, M-ary spread spectrum code division multiple access (CDMA) underwater acoustic (UWA) communication is proposed to improve data rate of conventional CDMA, and the data rate...

To investigate the physiological adjustments of textile workers exposed to high temperature environment, 10 workers with years of work experience and 12 students with rarely entering into workshop were chose to a hospital for blood test and nerve conduction velocity measurements. The blood test was to...

Doubly-fed induction generator (DFIG) wind turbine has been widely used in wind energy industry due to its good energy capture performance, fine controllability and simple realization. In this paper, a mathematical model for the operation and control of a DFIG wind turbine was proposed. Battery storage...

The influence of the impact energy on the impact damage of the carbon fiber fabric reinforced epoxy composites laminates was investigated. Impact tests on the carbon/epoxy composite laminates with the size of 600 mm×700 mm were conducted with different the impact energy levels from 5 J to 65 J at the...

Underground construction of tunnels and caverns is an ever challenging project by virtue of the likelihood of encountering uncertain ground conditions. This is true despite all advancement in the field of prediction tools, equipment and instrumentation. One major factor leading to such uncertainties...

With the increasing advancement of industrialization, light steel has been used more and more frequently, hence stability and global stiffness of light steel structure has been received more and more attention. In order to find effective ways for enhancing connection strength and stiffness of light steel...

The magnetic loss characteristics of ultra-thin nanocrystalline magnetic alloy Fe73.4Cu0.6Nb3.5Si13.5B9.0 with 14 m were studied, and compared with conventional nanocrystalline magnetic alloy strip with the thickness of the 26 m. It was found that reducing the thickness of alloy strip could significantly...

The integration of large-scale Variable-Speed Wind Turbine Generators (VSWTGs) will challenge power systems frequency stability due to the lack of inertia response and reserve capacity in their control system, which are important for power system stability and power quality. This paper deduced quantitatively...

Three kinds of salen catalysts, mono-chloromethyl-salen-Mn, tetra-tert-butyl-salen-Mn and mono-chloromethyl-slaen-Co, were synthesized and then immobilized onto ceramic membranes by two steps. First, 3-aminopropyltriethoxysilane (APTES) was grafted on ceramic membranes in order to introduce amino groups...

For hyperspectral remote sensing imagery, the observation of image pixel usually consists of more than one material, causing it to be a “mixed pixel”. In order to analyze the hyperspectral dataset, it is necessary to decompose the mixed pixels into a collection of substances’ spectra and their corresponding...

The lack of aromatic and cyclo-paraffin components in aviation alternative fuels such as hydrotreated biofuels due to different production processes may have influences on fuel performances. This work investigated the effects of aromatic and cyclo-paraffin components on physical properties and spray...

Micro-Macroscopic Coupled Simulation is an important method in the field of microfluidics. Pre-Post processing is an important process of macro and micro coupling simulation method. Nowadays, there is no unified and effective pre-post processing method in Micro-Macroscopic Coupled Simulation. Based on...

This paper presents an overview of the wind-hydrogen coupling system(WHCS), as an effective method of solving wind power accommodation, WHCS has great economic, social and environmental benefits, which has been attached great importance to and promoted widely. The paper introduces the basic structure...

The use of intelligent detection and identification software for traffic signs have been an indispensable part of the advancement of transportation systems and networked cars into an intelligent system. As neural networks become more effective in image recognition and classification testing, they are...