Advances in Engineering Research

The impact of community structure on synchronization behavior of oscillatory complex network is investigated, focusing on the community number. Numerical simulations show that the bigger community number, the stronger synchronizability of power network will be. That is, the synchronizability of the network...

Homemade batch microwave drying test apparatus using different parameters on fresh-cut alpine yam slices during microwave intermittent drying experiments, the drying characteristics of fresh-cut alpine yam slices, the dynamic model and the drying quality was studied in the paper. The results showed that...

The polymerization of acrylamide initiated by 2,2'-Azobis(2-methylpropionamidine)dihydrochloride and ammonium persulfate was studied in aqueous solution at 6 C.The effect of variables such as acrylamide concentration and initiator concentration, additive concentration were investigated.When the concentration...

Based on geographic information systems and remote sensing technology, this article used BP neural network method and choose slope, aspect, intensity, faults, water, elevation, DEM, hardness 8 earthquake landslide factors as influencing factors in the study area (E103° ~ E105°, N30.8° ~ N32°) to identify...

Increasing habitat-enhanced structures have been proposed to rehabilitate the channelized river, but the effects of these structures remained unclear. In this study, we carried out an experimental study to examine the effect of ecological low dam (ELD) on functional aspects of channelized river. The...

With computer of development, especially hardware technology of development, traditional of RS232 serial interface has displayed out increasingly more of insufficient, but large of instrument instrument, and industrial control system, and remote data terminal, equipment still using RS232 serial interface...

Memristor is the fourth fundamental circuit element predicted by Leon O. Chua theoretically in 1971 and realized by HP scientists in 2008. In this work, we investigate the characteristics of canonical Chua's circuit and Chua's circuit based on memristor. More importantly, the response characteristics...

In normal TEM sounding, the parameter of secondary induced voltage V signal is collected by using magnetic induced coil, however, the late signal is usually too weak to distinguish deep buried target. In this paper, direct measuring of B-field parameters is used to test its practical effect. Firstly,...

In view of the current shipping industry is facing energy waste, environmental pollution and other issues, energy-saving and emission reduction are imminent. As combined the characteristics of high temperature waste heat produced by marine engine and other equipment on ship with solar thermal system,...

The method of X-ray pulsar-based navigation can be applied to deep space exploration and earth-orbiting spacecraft navigation for its good performance in reliability and autonomy. But high-precision navigation can be hardly achieved when the input of navigation system is merely the signal of pulsars....

Hradec Králové - Pardubice agglomeration formed an important industrial and agricultural area in the centre of gravity of East Bohemia. Currently, the extensive development of the tertiary sector and important position of the two regional capitals set the pace for the development of logistics centres,...

Maximum power point tracking (MPPT) is always a hot research area for photovoltaic (PV) system. In this paper, based on high efficiency Z-source PV inverter, a variable universe fuzzy controlled incremental conductance (Inc-Cond) is proposed for MPPT. After designed fuzzy sets and rules, parameters of...

The rheological parameters of Fresh SCC were examined through the theory of rheology, the rheological model of Fresh SCC was assumed to be H-B rheological model, the flowing time of Fresh SCC in the simulated L-box through Fluent, later compared with the flowing time of Fresh SCC in the actual L-box,...

With the development of computer and information technology, frequent mine become important researching value, from subset mine to structured data mine, it includes frequent sub tree mining and frequent sub graph mining. In this paper, we introduces frequent sub tree mining and describes research status,...

In this paper, the experimental study on the modification of lightweight aggregate concrete with different content of basalt fiber is carried out, and the results show that the: With the increase of amount of basalt fiber, lightweight aggregate concrete slump decreases; compressive strength increases...

In the power system, the reactive power causes low power factor and power loss. The reactive power compensation device can ensure normal and stable operation of the power system. The traditional reactive power compensation device is difficult to meet the needs of high power factor and low power loss....

Bangka Belitung is dominated by marginal lands, such as dry land, which can affect the productivity of groundnut by reducing groundnut yield. Increased groundnut yield in Bangka Belitung could be done by using drought tolerance genotypes. The objective of this study is to obtain groundnut genotypes tolerant...

Avoiding flight delays has become a crucial factor in each airport and airline since a huge economic cost results as consequences. Researches are conducted to measure aviation delay and its economic cost [1] while its environmental cost is sparsely addressed. In this research, the delay of departure...

The paper considers the model of layered thermoelements. The model enables to study the thermal and thermomechanical processes occurring in it on the basis of solving a transient equation of thermal conductivity, equilibrium equations, the equations of through flow and Neumann equations for the multilayered...

Laser-induced fluorescence spectra of gallstone samples from three different age group was analysed in the visible region. The gallstones were obtained from patients at Aizawl Civil Hospital, Mizoram, Northeast India, who had undergone surgery. Subjects included both adults and children patients so that...

This is complex topography, fragile ecosystems and difficult to land remediation in hilly hollow village. In this paper, mainly through the establishment and analysis of the information promotion system of hollow village remediation in hilly areas to illustrate the four technologies integration of hilly...

In this paper, the small PM2.5 detector the Internet of Things (IOT) transmission and PM2.5 and temperature and humidity detection software and hardware system are designed. The circuit design of PMS5003 sensor and SI7021 temperature and humidity sensor is carried out by using ESP8266 MCU with WIFI chip...

Apriori algorithm can accurately find out the related items in the database, and it can be used in various fields of work and life. However, with the explosive growth of data, there are still some disadvantages in the practical application of the algorithm. This paper introduces the Hadoop platform,...

Aiming at the problems existing in the current tunnel supporting method, offered a new proposals for rock support with steel concrete structure in tunnel engineering. This paper introduces new supporting method and construction process, from the safety of the tunnel construction, schedule, waterproof,...

Highway toll station is one of the most important components and is the only entrance of highway. The traffic capacity of highway is straightforward influenced by the capacity of toll station. So in order to acquire the optimal configuration of merging pattern before toll, this paper construct a model...

Building information technology has overtaken the way architect designing a building. The use of Building Information Modelling (BIM), somehow, sifted the designer viewpoint from general to detail- integrated aspects of the building. To indicate the system from detail preference will directly causing...

Flood has occurred many times in Malaysia and it has greatly affected the residents that live in flood risk area such as Bukit Merah. Due to the climate change and land use changes issues, the flood and drought events seem to be occurred more frequently in larger scale in Bukit Merah. Therefore, the...

The utilization of blended learning models in the 21st century at university is essential, like watering the garden in the desert area. The application of teaching, especially in higher education, improves learning outcomes. Blended learning models include rotation models (station, lab, individual, flipped...

The cable-stayed bridges are vulnerable to vibrations caused by earthquakes. This study focuses on the Sei Dareh Cable-Stayed bridge that is at a relatively high level of vulnerability based on the 2017 Indonesia earthquake map. In this research, the study discussed the response of the Sei Dareh cable-stayed...

This study evaluated the corrosion of steel in seawater-mixed concrete with different interfacial transition zones (ITZs) by measuring different corrosion parameters. The ITZs around the steel bars were intentionally varied by applying cement paste coating around the steel bars, which had various water...

The district of irrigation Krueng Peudada supports food security programs. With a functional area of 467 hectares, significant operational and maintenance costs are required. Currently, district of irrigation Krueng Peudada faces secondary canal damage and inadequate water distribution gates. The analysis...

The urban centers are becoming increasingly complex and data rich with the need for integrated technological frameworks for implementation of an efficient and sustainable development. Based on the above observation, present research presents a Federated Cognitive Internet of Things (FCIoT) framework...

Platform Screen Door (PSD) is a security system on station platforms that is integrated with train doors and controlled by signaling equipment. This study analyzed the characteristics and impact of failures on PSDs to assess their reliability based on maintenance planning strategies for each piece of...

Electrical energy is a fundamental need that must be met sustainably and economically. In Indonesia, most power plants use non-renewable fossil fuels such as coal, oil and natural gas. The use of these fossil fuels leads to high electricity production costs, so optimization is needed to reduce operational...

This study pivots the fatigue life prediction of a runway girder subjected to cyclic loading during the operation of an overhead crane in a steel mill. The load cases were created based on past records, and crane cycles were recorded using a counter sensor near the crawling path. The static forces per...

The aim of this study was to conduct a bending experiment to study the mechanical properties of natural fiber composites made from sea pandanus leaves (Pandanus Tectorius). The method for making composites by hand lay-up and vacuum bagging. The utilized fiber is oriented at zero and ninety degrees. Bending...

Aiming at the cracking and water leakage distresses caused by insufficient invert thickness and material weakening in highway tunnels, this paper proposes a monolithic fully prefabricated invert structure scheme. A refined load-structure model is established based on Abaqus to systematically analyse...

Sustainable waste management in tourism-intensive destinations requires structural understanding of governance variable priorities. This study applies hybrid Interpretive Structural Modelling (ISM) — constructing the Structural Self-Interaction Matrix from Pearson correlations on n = 170 multi-stakeholder...

In this paper, based on penalized least squares, the penalized weighted sum of squares is set up, we deduce the calculation method of a positively definite regularity matrix and obtain the corresponding results in least squares collocation model. According to the foundational properties of the random...

Indoor undisturbed soil column incubation experiment with PVC tube was conducted by choosing 3 typical stages of shrub, coniferous forest and broadleaf forest as the research objects, and setting 3 different temperatures (12oC, 24oC and 36oC) and 3 different water conditions (soil natural water, semi...

Considering the business features and practical requirements of the optimal reactive power planning, this paper presents an optimal reactive power planning software system for the urban network. With multi-level architecture, the software is divided into several layers, which are managed as plug-ins....

At present, the study on the temperature fields of floor radiant cooling system and ceiling radiant cooling system based on displacement ventilation is more, but for the humidity field research of the two systems is insufficient. There is a thermal stratification in the temperature field of both kinds...

Speech recognition technology is a allow the machine to understand human language and speech recognition algorithm is to achieve this function, the system by using HTK toolbox to design a speech recognition system, and in-depth research and Simulation of correlation algorithm, has completed the speech...

The internet innovation and development has already deeply penetrated into all aspects of economic world. The attaching problem-the network and information security problem becomes increasingly prominent, and the complexity and harmfulness of network security situation manifest themselves become more...

The fluctuation and intermittence of renewable energy sources power poses a great challenge to the stable operation of power system, which needs power conversion system(PCS) to provide spare power to achieve dynamic balance of supply and demand for the power grid. Cascaded H-bridge converter is a main...

The article treats new approach to technical maintenance of open pit excavators based on identification of technical state by functional diagnostics methods. It shows that applied diagnostics methods practically give full picture of actual state of diagnosable equipment which allows to estimate residual...

For the advantage of high range resolution and low power, the radar usually use the linear frequency modulated continuous waveform. With the development of electronic technology, the operating bandwidth of radar is also growing. In broad bandwidth, to realize the linear modulated waveform using VCO is...

Recently, coal mining in Jining has extended to the crowded cities and villages, bringing out the deformation of the rock in these areas, which leads to the damage of the civil and industrial buildings. Therefore, the ground surface deformation and the damage characteristics of the buildings have been...

With the continuous development of urbanization, solid garage is playing a more and more important role in city infrastructure. In this paper, a mathematic model on queuing theory for lift-sliding solid garage is constructed, and some important performance parameters are analyzed base on the quening...

Nowadays the need for sharing and exchanging information is becoming more and more important. Based on ontology, this paper proposes an integration framework for manufacturing systems. With the XML has been more widely used in many fields, the development of the sophisticated XML-based data management...

The sludge produced by biochemical treatment process of coal gasification wastewater contains large amount of phenol and tar, it is difficult to be degraded by conventional methods. Supercritical water oxidation (SCWO) technique was carried out for biochemical sludge from coal gasification wastewater...

Cladophora glomera is a genus of widely distributed, global, sessile, large green algae, which is also a euryhaline alga. This study discovered that changes in salinity can induce C. glomera to produce massive amounts of extracellular polymeric substance (EPS) when controlling other environmental conditions....

at present, the inheritance of the intangible cultural heritage of the martial arts has been in a fix, but the application of digital technology provides a new way for the development of the martial arts. The digital technology system of the intangible cultural heritage is a digital service platform...

In order to solve the problem about air pollution caused by straw burning and improve comprehensive utilization of straw, the paper analyses feasibility study of straw on the application in green buildings based on the survey about the existing situation of straw in rural areas of Emeishan city, Sichuan...

This paper is a study of existing GM(1,1) model and manages to improve its inadequencies, such as the initial value, the background value of the model, the smoothness of the original data sequence, etc. By replacing the least square method with artificial intelligence method, the paper proposes a new...

Beach tourism is tourism that widely associated with activities on the water, such as lakes, beaches, bays, or sea, which managed in an integrated and planned manner, so that they are ready to receive tourist visits. So far, the existence of beach tourism areas, which have a unique nature, have not been...

In order to study the adaptability of reasonable pavement structure in permafrost regions, the first-stage construction of Gonghe-Yushu highway from K629 + 800 ~ K634 + 200 is taken as test section, and establishes the numerical simulation model of subgrade and pavement by using Flac3D software. Compares...

The profile of the machined surface at the peripheral end milling is made when various types of fluctuations occur. At milling under self-exited oscillations, the machined surface, in addition to traces from cutting in with each tooth, has a wavy profile. The purpose of the article is to consider the...

The research aimed to determine date palm pure concentration and its effect on Tissue Culture of Grammatophyllum scriptum. The research used an experimental method with single factor and seven treatments arranged in a Completely Randomized Design. The treatments were: (1) Vacin & Went (VW) medium; (2)...

The bellows is a flexible force structure. When a parameter of corrugated pipe is changed, the force and deformation of the pipe are changed. With double hole Steel corrugated pipes as the background, this paper adopted finite element analysis software ANSYS to make numerical simulation of the study....

Standard bat algorithm is easy to fall into local optimum to handle complex functions with high- dimension. This paper proposes a hybrid chaotic mutation bat algorithm handling local convergence. The chaotic variables and mutation operator are introduced to bat algorithm to enhance its global search...

Multi-modal image fusion is a process of integrating complementary information from multiple images of different scene. A novel medical image fusion algorithm based on the fractional wavelets transform (FRWT) is proposed in this paper. The method is implemented to fractional wavelets transform to get...

Threaded adhesive joints between stainless steel electrodes and insulating structure of axial insulation break was studied in detail. Wet winding process was chosen for Glass Fiber Reinforced Plastic inner insulation tube, and threaded adhesive method was chosen for joints bonding GRP to Stainless Steel....

Under the guidance of international standards for carbon emissions, two greenhouse gases (GHGs) accounting models have been established for integrated iron and steel enterprises. One is the enterprise, and the other is the process as a whole boundary, so they are named the enterprise model and the process...

Harmonic diffractive optical elements(HDOEs) can make multiple-wavebands imaged on the same image plane, which have be widely used in the infrared imaging optical systems. The mathematical model of effects on diffraction efficiency and polychromatic integral diffraction efficiency(PIDE) caused by single...

The local community’s opinions play an essential role in conserving a historic area, such as historic streets because the existence of a historic street depends on the appreciation of the local community. People’s preferences will provide valuable consideration in conserving the heritage area. Therefore,...

In 2015, in The Guiding Idea on Rapidly Developing the Rural E-commerce, the General Office of the State Council pointed out: the rural e-commerce was the important method to transform the development way of agriculture and the important carrier of the targeted poverty alleviation. In 2016, the No. 1...

Biomechanics studies in dance can be used as a means to control health, fitness and training. The dance is always performed in the accompaniment of music. Then the combined benefits of the elements of motion and music sound are thought to produce a strengthening effect on the dancer’s physiological condition,...

Air quality is a critical factor in safeguarding public health and the environment, particularly in Batam Island, which is experiencing rapid growth in industry, population density, and transportation, leading to increased emissions of air pollutants such as Carbon Monoxide (CO) and particulate matter...

The existence of waste in a production line causes production equipment and production systems to be ineffective and inefficient. It’s the same with an SME that produces plastic straw products in a city in Indonesia. BNL50 machine that produces plactic straw, often experiences problems such as breakdowns...

This study offers a comprehensive overview of a range of mathematical methods designed to address uncertainties in engineering calculations and assesses their suitability. The focus is on fuzzy set theory, which has proven to be particularly effective and offers a robust solution package for modelling...

Indonesia faces two major challenges: the preservation of its food heritage—at risk of digital extinction with 5,350 traditional recipes—and growing public health issues such as diabetes, which increased from 6.9% to 10.9% between 2013 and 2018. Tools that support culturally relevant food tracking are...

The use of learning videos from the you-tube channel by students to increase learning understanding. Most of the learning videos available on YouTube have a length of more than five minutes. A lot of digital content has the potential to become a distraction or break the focus of learning such as notification...

This study aimed to determine the physicochemical properties and sensory perception of waffle instant premix added with mung bean flour. Mung bean flour was included as one of the ingredients, substituting wheat flour in varying proportions starting from 20 to 80%. The results showed that bulking density...

In community life, the availability of clean water has been decreasing with the decrease in water quality of community consumption. This is obtained from reality and surveys in several villages. Compared with the results of reports from the National Statistics Agency, the province is very volatile and...

The instability caused by global warming and the spatial complexity of land surface structures is increasingly affecting basin floods. The aggregated old Xin’anjiang model can no longer simulate precise land surface information, which in turn compromises flood simulation performance. This study selects...

As the use of 3D printing becomes more popular, the need to print in complex gravity environments or even low gravity environments is emerging. In order to meet these anti-gravity 3D printing needs, many individuals or organizations have proposed different solutions. This paper describes three mature...

Education serves as the cornerstone for life’s foundation due to its significant role in fostering change. It is considered a crucial process for achieving balance and perfection in individual and societal development. This balance ensures high-quality education. Effective dissemination of teaching materials...

The utilization of used tire rubber waste, particularly in the construction industry, becomes a critical issue in Indonesia due to its abundant presence and the challenges related to waste disposal. One solution to repurpose used tire rubber waste into a valuable resource, especially in the construction...

In the steep and steep single-sided rocky cliff area, the pipeline can be laid through by using the trenchless crossing method of raise boring, which will change the route selection ideas and principles of the domestic long-distance pipeline industry in the future. Only Saipan Company applied the raised...

Highway engineering projects face a complex financing risk environment due to their large construction scale, long financing cycle, and numerous influencing factors. This article takes PPP+EPC mode engineering projects as the research object, based on grounded theory and literature analysis method, a...

Information technology, as the fundamental technology driving innovation in internal production and management activities across various industries and fields, has emerged as an essential tool, particularly under the influence of China’s eco-friendly and green development concepts, to imbue these sectors...

An eco-friendly approach for the preparation of silver nanoparticles (AgNPs) from silver nitrate solution using aqueous Eriobotrya japonica seed extract was investigated. The reduction of silver ions in solution was monitored using UV-vis spectroscopy, and the surface plasmon resonance of AgNPs at 428...

2æm thick DLC multilayer films were deposited on W9 high-speed steel with deep cryogenic pre-treatment (DCT) for 30 hours in liquid nitrogen by unbalanced magnetron sputtering technique, which were compared with the DLC films without DCT. The results show that compound systems with DCT exhibit higher...

Microstructure evolution of dynamic recrystallization of AZ31 magnesium alloy during isothermal heating process was simulated by cellular automaton method (CA method). When heat holding time is constant, the grain size of AZ31 magnesium alloy increases significantly with the increase of heating temperature....

In this paper, a method for determining the parameters of the RHT material model, which can hardly be determined by total experiments, based on the combination of experiment and numerical simulation is proposed. The determination process and verification are analyzed taking UHMWPE fiber reinforced concrete...

As a new kind of environmental protection building material, premixed wet mortar possesses a wide application prospect. The technical difficulty is to maintain the workability of premixed wet mortar as long as construction required setting time by choosing suitable raw materials and mix proportion. In...

The purpose of this study was to develop a multiplex touchdown PCR to identify three waterborne pathogens in water samples. Specific primers based on VP1332, inv and ipaH gene sequences were designed for V. parahaemolyticus, Y. enterocolitca and Shigella, respectively. By optimizing reaction conditions,...

Current situation of priority hazardous chemicals for environmental management in Sichuan province is investigated by reference to 84 priority hazardous chemicals for environmental management specified in the Measures for the Environmental Management Registration of Hazardous Chemicals Registration (Trial)...

In order to improve student achievement level and management ability of college , we focus on to achive the university student achievement warning system. In the practical application of College Students' performance analysis, we find that there was imbalanced data,and the proportion of the students...

As a support network of the smart grid, the reliability of electric power communication network has become the prerequisites of the smart grid to become intelligent and economic, and operate safely. This paper mainly studies the vulnerability of the electric power communication network, so as to provide...

When the nuclear accident of equipment system happens, the right decision can be taken to reduce the consequences and harm of the accident. Considering the fuzziness and multi-objective of the nuclear emergency decision of equipment system accident and aiming at the deficiency of the traditional AHP...

In order to discuss the application scope of measurement of compaction degree of aeolian sand roadbed formed by compaction with immersion plus cutting ring method, powdery clay particles with different content are blended into the aeolian sand from the Gurbantunggut desert for testing. The results show...

For the modulation recognition of the wireless communication signal, when extracting Eigenvalues, it is necessary to improve modulation recognition rate in order to achieve the optimized effect. In this article, combination eigenvalue module of the signal is extracted by applying bee colony algorithm...

The electricity universal service is an important public welfare policy. In this paper, the general economic analysis framework of electric universal service is constructed, the necessity of monopoly supply and government regulation is demonstrated, and the attribute of electricity universal service...

Hydrocyclone separation technology as a kind of effective oil water separation technology, has been applied in the oil industry. The paper proposes numerical simulation of computational fluid dynamics which combine Reynolds stress model and Euler multi-phase model together, and discusses the operating...

In this paper, the load distribution of combination bearing in wellbore trajectory control tool has been carried out the theoretical study, it is concluded the response of combination bearing in pure radial & axial load bearing. Based on this study, the working state of combination bearing has been simulated...

In order to enhance the properties of SnAgCu lead-free solders, the Al nanoparticles was selected as the additives. The effects of Al nanoparticles on wettability and mechanical properties of solder and solder joints were studied. The results showed that a small amount of Al can enhance the wettability...

The airship modeling is the basic of the airship control problem, a class of simplified nonlinear model of pitching channel is studied in this paper. On the base of all above mentioned, the speed control is separated from the attitude control, and the speed is controlled by a simple constant control...

Because the doubly-fed wind turbine contains a large number of power electronic equipment, as well as the randomness and uncontrollability of wind power generation, the wind farm inputs a large amount of harmonics while inputting active power to the grid, which brings many adverse effects to the power...