Advances in Engineering Research

Climate change significantly threatens the livelihoods and cultural heritage of indigenous communities in Bangladesh, especially in the Chattogram Hill Tracts consisting of Rangamati, Bandarban, and Khagrachari districts. This study explores how the Chakma tribe in Rangamati has adapted to and remained...

This study explores how the Inventory module in Odoo ERP can help small and medium-sized enterprises (SMEs) improve the way they manage inventory. The research is done with a descriptive qualitative approach, supported by some literature review and a look at the main features of the system. From the...

The rapid development of intelligent manufacturing has propelled the widespread application of 3D printing technology across various fields. Meanwhile, the automatic temperature control technology, as a crucial factor in ensuring the quality of 3D printing, has garnered extensive attention. This paper...

Deep Vein Thrombosis (DVT) is a condition that leads to the formation of blood clots in the deep veins. Swelling or pain inthe lower limb is a common symptom thatgenerally affects the deep veins in the leg. Pulmonary Embolism (PE) is the most dangerous complication of DVT. It occurs when blood clots...

The survey and design phase, as the source of highway engineering models and data, plays a crucial role in the digital transformation process throughout the entire lifecycle. Addressing the deficiencies in digital standards and construction, digital surveying and design, and BIM-based digital applications,...

The enrichment of denitrifying phosphate accumulating organisms (DNPAOs) is the prerequisite for the denitrifying phosphate removal process. This study investigated the effect of nitrate concentration on the enrichment of DNPAOs was studied with batch experiments. The Sequencing Batch Reactor (SBR) was...

A novel distribution network reconfiguration approach of avoiding infeasible solutions is proposed based on breaking up the whole into parts strategy. In which, the solution space is divided into several subspaces which eliminate the unfeasible trial candidates and reduce search space. An improved quantum...

Aim at multi-label sentiments classification of customer reviews. This paper presents a hierarchical ML-kNN algorithm. Different from the traditional ML-kNN algorithm, this algorithm can capture the connection of labels by introducing auxiliary labels. The experimental results show that our proposed...

As mobile technology continues to mature and develop, software and hardware of the mobile terminal has been updating constantly, people are more and more dependent on mobile terminal devices in production and daily life. Because of the combined effects of today's communications technology and network...

Faced with the drawback of conventional doubly-fed wind farm models, which cannot reliably reflect the actual control law and dynamic characteristics, a method of complex characteristics modeling based on simulation is developed in this paper. The software MATLAB/Simulink platform is utilized to create...

In order to solve the problem that the decision-making department’s orderly power utilization plan is less elaborate, a model based on users’ typical daily load curve is presented. The model can coordinate a variety of orderly power utilization means, and targets at power company’ lowest economy cost...

In this paper, we present a class of low-hit-zone (LHZ) frequency hopping sequence set (LHZ FHS set) with periodic partial Hamming correlation property from the Cartesian product of known FHS sets. It is shown that the sequence set is near optimal with respect to the partial Hamming correlation bound...

Large scale mining of deep-sea mineral resources is an important approach to solve the increasing scarcity of resources on Earth. The deep-sea polymetallic sulfide sampler is an effective device to realize the ore body mining of deep-sea polymetallic sulfide. In order to achieve stable remote communication...

In order to achieve the nonsingular solution of saddle point linear system, this paper proposes an improved nonlinear Uzawa splitting iteration method, and combined with the generalized anti Hermitian triangle method, the algorithm is further modified, to improves the convergence of the algorithm. Finally,...

Solar energy is a new pollution-free energy of maturetechnology andabundantreserves. This paper firstly introduces the concept and characteristics of the solar power, and then analyzes the necessity and feasibility of its applications in rural areas. Finally, this paper gives three examples of the applications...

Qiangtang basin is the largest oil and gas basins of the Tibet plateau, the permafrost distributed widely, having good formed condition and prospecting of gas hydrate. There is carried out audio magnetotelluric (AMT) exploration research in YaHu area in order to find out the basic accumulation conditions...

At present, the construction and layout of the inland dry port, the possibility and feasibility of construction are the focus of the research. The capacity of dry port in Jinan is fully analyzed on the basis of reference to the advanced operation mode and development experience of the excellent non-water...

In order to help students learn and master SCM serial interface technology, one self teaching circuit board on serial interface technology has been designed. This paper mainly discusses the design method of the circuit board. First of all, the on-system programming module, I2C module, SPI module, 1-Wire...

The complex prospects in pedestrian detection, such as backpacks and other obstacles, are likely to cause interference to pedestrians. Since previous pedestrian detection can only use separate gradient information, the color information is neglected, and the gradient direction information is not accurate...

This paper studies the calculation of active earth pressure of retaining structure under the condition of earthquake. By comparing with the Rankine theory and Coulomb theory, we get a very good result. The analytical solutions of the previous works are for single homogeneous isotropic filling .but in...

The urban spatial layout, traffic demand forecast, and traffic planning cannot work without the support of system science. There is the interaction between the urban spatial layout and the traffic demand. The former is the generating source of the latter, and the latter has a guiding role on the former....

This study discussed the reflectance of outdoor compressed concrete paving units. The research samples were basic square ground tiles, including sandblasted tiles with secondary treatment of surface, iridescent crystal sandblasted tiles mixed with waste glass, and rustic tiles. The ASTM E1918A method...

Sand ore iron with Fe content less than 20% by weight referred to generally low quality iron ore into a heap material. Sand iron ore with Fe content above 50% used as pellets or briquettes before it is processed into pig iron in a blast furnace. This paper describes the process of sand agglomeration...

This paper introduces application of all-fiber optical current transformer to 10kV high voltage electric energy meter, proposes new application of 10kV current sampling by all-fiber optical current transformer, analyzes technical advantages of new 10kV high voltage electric energy meter and makes scheme...

In locomotive operation system, video monitoring system is the most critical. It is responsible for collection, processing and storage of data during operation of locomotive, to ensure safety of locomotive running. Traditional locomotive monitoring management approach has complex operation, but also...

In terms of the existing highway unsuitable beautiful road, in-depth analysis of various aspects of the construction and control objectives, put forward specific content design.

In a distributed virtual environment (DVE) system, maintaining the consistency of each node is the key factor to preserve system usability. In addition, maintaining the responsiveness of users in the system is also an important factor affecting the users' interactive experience. Due to the trade-off...

Peak strain of concrete is an important mechanical parameter. Previous studies have found that the peak strain of recycled aggregate concrete (RAC) is significantly different with natural aggregate concrete (NAC). This paper collected peak strain test data of domestic and foreign scholars and derived...

This research based on fresh coconut and the coconut puree was conducted with the ultra-high pressure (500MPa/ 10min). Two strains of pressure-resistant bacteria in coconut puree were screened out and identified as Leuconstoc mesenteroides subsp mesenteroides and Leuconstoc mesenteroides subsp dextranicum...

The United Arab Emirates (UAE) growth has developed immensely throughout the past few years, and along with its growth several environmental issues have been faced. In response to the climate and environmental inflictions and in support of the United Nation sustainable goals for 2030, the United Arab...

Static Var Generator (SVG) is a new generational dynamic reactive power compensation system and the detection of directive current generally uses ip-iq operation mode. However, the command value of output reactive current only depended on the reactive current detection of main circuit based on the ip-iq...

The aim of this work was to optimize the distillation conditions for extracting cinnamomum cassia oil from cinnamomum cassia bark by steam distillation. The orthogonal test was conducted to investigate the effects of the three main factors on cinnamomum cassia oil yield, including the solid-liquid ratio,...

With the advancement of science and technology, environmental pollution has also become more and more serious, especially the water resources closely related to human life are gradually being eroded by pollution. Monitoring the water quality of water resources becomes more urgent, but the traditional...

Public transport (PT) performance in some big cities in Indonesia is not accordance with passenger satisfaction. This condition is revealed by investigation of public transport performance declining continually. This condition causes the number of PT's passenger decreasing and increasing in use of private...

This paper presents a simulation of the temperature distribution on the surface of a heat exchanger in the ANSYS application package. In the R&D part devoted to the development of a device for converting heat into electrical energy, models of an experimental heat exchanger have been created, including...

Emotions are intrinsic to the way humans are interacting with each other. A human being can understand the emotions of another human being to a certain extent and behave in the best manner to improve the communication in a certain situation however a machine cannot. This paper aims to make an analysis...

This research aims to find out the effect of farmer behavior reinforcement on the attempt of restoring peat land. This study was an action research using participatory rural appraisal (PRA) with People of Merbau Village, Bunut, Pelalawan, Riau being the participants. Data was collected using interview...

Three large rivers of the North Caucasus, namely the Kuban, the Terek and the Kuma play a key role in water supply of adjacent steppe territories of Ciscaucasia. The mass run-off of these rivers is formed within a mountain relief. The river heads of the Kuban and the Kuma are located in the Karachay-Cherkess...

Based on the full monitoring of mine ventilation system by a safety surveillance control system, the feedback control is applied to design a hierarchical control model. It mean that the total mine air volume is controlled by a main fan power supply module converter, the roadway area is controlled by...

Wind energy is widely used as clean, renewable and mature new energy. However, the inhomogeneity and non-steady state of the operating environment of the wind turbine lead to the randomness of the load, which will cause the fluctuation of the voltage and frequency of the power grid, and affect the power...

Through the performance analysis of electric energy metering equipment under typical environmental conditions, data of working conditions of metering equipment under typical environmental conditions are collected to determine the operating characteristics and related performance changes. Through the...

In line with the increasingly popular of oyster mushrooms as a healthy, safe, and nutritious food, and have medicinal properties, moreover supported by the growing development of tourism in Indonesia, the consumer demand for oyster mushrooms in various regions is increasing. The purpose of this research...

In this study, the contents of Mn in 44 soil samples were collected from Shaanxi Province and were used ASD FieldSpec HR (350 ~ 2500 nm), then the NOR, MSC and SNV of the reflectance were pretreated, and the different deviation and reflectance reciprocal logarithmic transformation were carried out. The...

In order to allocate the buffer capacity effectively and improve the availability of the production line, a buffer allocation method based on particle swarm optimization (PSO) and simulated annealing algorithm (SA) is proposed for the mixed asynchronous serial production line. It is considered that the...

At present, in excavation of the coal mine roadway, it is widely used to a full section of millisecond blasting in borehole depth of about 2.0m. A lot of practice shows that, due to the influence of geological conditions, drilling, charge and other factors, footage per cycle reaching 2.5 ~ 3.0m, there...

For the feature of P300's low signal-to-noise ratio (SNR) and difficult classificion, in this paper, we use an EEG signal processing method based on independent component analysis(ICA) and support vector machine. First, make the P300 EEG singal to the superposition averaging, according to the requirements...

From the point of view of improving the emergency management ability of metro construction, combining with the relevant measures of emergency management, the index system of emergency management ability of metro construction is established. Then, the weights of indexes are determined by the C-OWA operator,...

The abstract indicates a summary of the article and the main research results. The article reveals the concept content of “legal discretion”. Issues related to the law principles as a means of limiting legal discretion are considered. The law principles are one of the central categories in legal science....

Dioscorea spp is a wild plant which is an important food source, however there are no published studies on the nutritional composition of this plants growing at Manokwari Regency. Physical analysis includes color testing using the brand Minolta Reflectance Chromameter type CR-300. Chemical analysis includes...

As one of the marine resources, macroalgae presumably contains of free amino acid such as taurine. Taurine is known to be one of the most important amino acid related to hyperosmotic stress for most of living organisms. The study was conducted to explore the taurine contain from the most abundance macroalgae...

Rare earth elements (REE) are considered critical raw materials essential for numerous clean technologies. As the discrepancy, their supply and demand increase globally. It is conceivable to recover REEs from secondary sources in order to close the gap. The coal, fly ash, and bottom ashes are collected...

Driven by the growing demand in various industrial sectors, emerging unmanned aerial vehicles (UAVs) are becoming increasingly diverse. The development of fixed-wing UAVs is also accelerating. The correct selection of wings is crucial for improving the performance of UAVs (including lift, drag, stability,...

In the present world, most of the activities of humans are assisted and supported by technology which makes life easier. Robots (Bot) are increasingly being integrated into industries to support humans. Many remote-controlled, Bluetooth-controlled bots work on the user commands. These conventional methods...

Tourism is a place where domestic and foreign tourists visit with many facilities which aim to increase the number of visits abroad with E-tourism which can further develop with quality internet data services. The opportunity for tourism operators to introduce lesser-known tourism destinations will be...

Maritime transport is one of the largest sources of greenhouse gas emissions, significantly contributing to global climate change. Various international instruments, including an Advisory Opinion from the International Tribunal for the Law of the Sea (ITLOS), which classifies anthropogenic greenhouse...

The southwestern region of China has complex terrain with many slopes, requiring a large number of buildings to be constructed on slopes. To ensure the safety of fill slope retaining structures, this paper recommends an economical, environmentally friendly, and stable retaining structure. Using a case...

This paper analyzes the distribution law of automobile service life through big data and studies the survival rate of automobiles. The Weibull distribution model is used to fit the data of different types of automobiles, revealing that the survival rate of automobiles decreases with the increase in years...

CATIA V6 has found extensive applications in the water conservancy and hydropower industry. However, when it comes to generating sectional views, CATIA V6 still faces some challenges. For instance, the generation of sectional views relies on the selection of projection profiles, which are limited to...

Chevron-bracing frames function as a dual lateral force-resisting structure by arranging pairs of braces within the steel frame, while one brace is in compression and the other in tension. When subjected to continuous lateral loads, the compression brace in chevron-bracing frames is prone to buckling,...

To maximize the availability of water for plants, data on the amount, intensity and distribution of rain is needed, the amount of water infiltration, the maximum ability of the soil to retain water, the amount of water lost from the root zone, the water requirements of plants, and the dynamics of soil...

Dry reforming of methane (DRM) is a reaction of methane and carbon dioxide to produce synthesis gas (syngas), a hydrogen and carbon monoxide (H2/CO) mixture, which can have applications in the petrochemicals sector. While DRM is topical at face value, it does produce a syngas with a low H2/CO ratio not...

Currently, small and medium enterprises (SMEs) contribute 60.34% of the Gross Domestic Product. Batu City has the potential for a significant increase in MSMEs by 90.74% in 2019. Potato chip SMEs in Batu City can be classified into 2 micro and small-scale clusters based on production capacity, sales...

The dynamics model of smoking is a system of nonlinear differential equations of first order. The dynamics model of smoking consists of five subpopulations, namely potential smokers, light smokers, heavy smokers, smokers who temporarily quit smoking, and smokers who permanently quit smoking. The mathematical...

The article examines the temperature field of the fuel cell of the BREST-OD-300 nuclear reactor if helium in the gap between the fuel pellet and the fuel element shell is replaced with a heat-conducting Pb-Mg-Zr liquid metal layer. The temperature field is calculated for the fuel rod with the highest...

The characteristic attribute of network intrusion detection data set is an important index to measure the status of network intrusion.The analysis and research of the network intrusion detection system can deeply understand the current situation and the law of the network invasion.Clustering analysis...

During the construction of inclined shafts mouths in Kuzbass mines cast-in-situ concrete or reinforced concrete support is applied. Due to coal production increase, there is a necessity to build new coal enterprises, and as a consequence, the necessity to construct inclined shafts and mouths of the inclined...

This paper considers the development of output feedback sliding mode controllers for a class of discrete-time Markov jump systems. The uncertainty is matched. A static output feedback control law is produced when considering the system satisfied the 'Kimura-Davison' condition. If the condition is not...

In order to improve the accuracy and efficiency of flexible multibody system dynamics simulation and control, the research on the selection of shape function in flexible multi- body system is needed.Under the specific floating coordinate system, deduce flexible multi-body system dynamics general equation...

Galvannealed coated sheet steels are extensively used in the automotive industry due to its good corrosion resistance, excellent spot weldability and paintability. However, galvannealed coated sheet steels generally present different forming behaviors, which mainly depend on the amount, orientation and...

Objective: Development of orthopedic 3D image computer aided diagnosis system can provide the help in the diagnosis of the orthopedic diseases. Methods: 150 patients from January 2014 to January 2016 were chosen as study samples. According to CT scan and X-ray image data, we got 3D reconstruction to...

The effects of reaction material ratio and feed order on the composition of the product are investigated by the reaction of zinc sulfate, bismuth nitrate and sodium hydroxide as raw materials in the ultrasonic system. The product is identified as by X-ray fluorescence and chemical titration, and the...

The ASP flooding area in daqing oilfield has injected slugs of prerequisite, main slug and the auxiliary slug. As the chemical solution's injected, the difference of effect of well group is obvious. This article comparative analyses the influence of stratum static parameters like effective thickness,...

The compressive strength, flexural strength and fatigue properties of foamed lightweight soil with different mix proportions were systematically analyzed through experiments in this paper. And the main factors influencing the mechanical and fatigue properties of foamed lightweight soil were studied....

The year 2016 is the second year after the proposal of Photovoltaic poverty alleviation project. From the beginning of the photovoltaic poverty alleviation to now, the whole country has been vigorously promoting the photovoltaic project, however, the effect is uneven, and many difficult problems have...

This study explores the physical and mechanical properties of concrete with circulated fluidized bed combustion (CFBC) fly ash, ground granulated blast furnace slag (GGBFS) and coal fly ash. Five different blended cements were prepared to cast concrete specimens and the slump, unit weight (density),...

This paper discussed an automotive collision avoidance and warning system based on millimeter-wave radar. With the theory and application research of proactive early-warning and avoidance control, we have established the avoidance control strategy and algorithm. This system can identify dangerous targets...

In order to solve the problem that the different format data collected from sites are transferred among computer systems, the project finished the modularization for reading the data file brought from field acquisition and the drawing of image and curve, which will be exported to the specified file in...

In the field of speech signal processing, a pitch detection algorithm (PDA) is commonly used to estimate pitch or fundamental frequency. If the given speech signal is clean, the algorithm can achieve better detection result. However, in general, the speech signal would inevitably influenced by the background...

The vertical search engine index classification method based on ontology, through the introduction of text classification in PubMed forum based on ontology semantic information is added into index, can effectively improve the vertical search engine retrieval recall and precision, improve the relevance...

The common MCU (Microcontroller Unit) or PLC control method can not meet the linkage processing. 802Dsl numerical control system is adopted in this paper so that four axis and above linkage machining control can be realized in vertical ECM tool which has the advantages of complete functions, high reliability...

Based on the actual engineering requirements, this paper puts forward a robot weld position tracking based on laser sensor ranging technology, and the laser sensor is installed at the end of the robot welding gun. DTPS off-line programming software pre-programmed path, robot welding gun drives sensor...

Universal combinatorial coding derives from the combination principle and its core is ordinal calculation. The solution of ordinal is a process of computing permutation and combination values. But permutation and combination computing is very time-consuming. As a result, adopting optimized methods or...

Wind turbine aerodynamic-mistuning phenomenon during the operation may cause great harm. This article is based on sliding mesh technique of three dimensional Unsteady CFD method,taking NREL Phase VI wind turbine as an example,study the pneumatic performance of wind turbine under the axial-flow condition...

Although scenic spots make the use of various different technology in mangy business departments such as human resources management, inventory(warehouse) management, sales management, manufacturing workshop, financial department, office automation and so on. However, it is a big problem how to construct...

The influence of the porosity on the impact damage of CFRP laminates was investigated. A finite element analysis model is established by using ABAQUS software combined with the sudden stiffness degradation model. The failure criterion of the impact damage of the fabric fiber reinforced composites is...

The structure and properties of a wrought Mg–Al–Zn–Mn alloy (MA5 brand) were characterized by SEM and direct pole figure (DPF). The crystallographic texture and strength anisotropy of the alloy subjected to unconventional thermomechanical treatment (lengthwise section rolling) clearly show marked improvement...

Integrated Magnetic structure can reduce the overall size and weight of a converter,decrease the core losses of a converter.In this paper,the aim of studying the magnetic integration technology applied to DC-DC converters of electric vehicles,is to gain futher loss reduction and improve the life of an...

Activated carbon (AC), the KOH modified activated carbon (KAC) and SBA-15 before and after pore expansion (SBA-15k) were modified using tetraethylenepentamine (TEPA) as modifier to synthesize the adsorbents. The adsorbents were characterized by N2 adsorption-desorption and elemental analysis. The results...

Wildfire nearby transmission has posed a serious threat on power system. Research on portable fire extinguishing equipment hasimportantsignificance to massive wildfire emergency handling. Structure of the water transfer system of the portable fire extinguishing equipmentis analysed. Pressure lossforms...

Traditional vehicle management system is based on metal plate mainly identified by the video and image processing techniques which are low accuracy and less efficiency. However based on RFID technology, electronic license has the unique factory curing ID number and the vehicle physical binding, making...

The availability of sugarcane bagasse ash produced by Arasoe Sugar Factory, it is not used utilized. That sugarcane bagasse ash has size very fine that it can pollute the air. The sugarcane bagasse ash has silicate content, and it has pozzolan properties. The needs of construction material are something...

In large-size, high-resolution LCD measurement systems, images acquired by wide field of view (WFOV) cameras exhibit significant geometric distortion. To solve this problem, this paper presents a global parameter guided camera geometric distortion rectification method, which estimates the local geometric...

An experiment to investigate the adsorbent capacity of tin sand from Bangka Island Indonesia toward the lead/Pb(II) ion in lead aqueous solution either non-modified sand and magnetite-coated sand were studied using adsorption method. The adsorbent was activated with sulfide acid (H2SO4) and showed that...

This is Part I of a two-part paper which presents a methodology for fault location and isolation and service restoration for power distribution grids. Concepts of node, region, connected sub-grid, and simplified model of distribution grids are introduced. A simplified load flow analysis is discussed...

Obtaining useful information from massive data and then feeding useful information back to users, which has become a new trend in the development of library information service in the big data era. University libraries must meet the development trend of big data, integrate information resources of library...

Electromagnetic wave of electrical spark is a potential cause to eletrical equipment failure. This research focused on identificating and comparative analyzing the different types of electromagnetic waveform generated by eletrical equipment failure based on SVM. After analyzing and extracting the features...

The paper presents the kinematic analysis regarding the motion of a robotic complex with relative handling modules via the SolidWorks Motion system based on the designed 3D model. The analysis considered such motion elements as motion restriction, material properties, weight, speeds and contacts of components....

Limited reserves of fossil fuels in the world, encouraging each country, the search for alternative energy sources is more urgent. One alternative to renewable energy is biodiesel produced from vegetable oil. Biodiesel is generally produced from the transesterification process of vegetable oils (triglycerides)...

Digital publishing industry has become the current development of the overall trend. With the maturity of digital information processing technology, Chinese digital publishing has entered a new period of development. Digital publishing itself has a high degree of content integration, highly dependent...

Aiming at the defects of polystyrene (PS), PS is modified by blending with thermoplastic elastomer styrene-butadiene-styrene (SBS). The blends of SBS/PS as the object of study, this paper studies the mechanical properties of SBS/PS blends with different proportions and the effect of the content of SBS...