Advances in Engineering Research

The working principle of an internal-gripping device of the manipulator based on worm and worm gear and crank-connecting rod drive is introduced. Its mechanical properties and calculation formula is also given out. After the device being driven by gear motor, output torque rotates the worm first and...

Objective: To study the effects of 2.0Mpa heliox exposure on Working Memory of professional divers. Methods: Four divers participated in this study. Performances on kinesthetic memory, Visual Spatial Working Memory and Object Working Memory were examined before heliox saturation, 2.0MPa heliox saturation...

A ZJ-type high pressure lubrication pump is analyzed by multidisciplinary design optimization (MDO) method, where data are sampled via optimal Latin hypercube experiments, and the response surface models (RSMs) for the plunger piston and cylinder body of the pump are built. Lightweight design of the...

The laboratory compaction method produces a huge effect on the design of mix proportion and performance testing of asphalt mixes. For the result of a performance test to yield reliable physical properties, it is necessary to ensure that laboratory specimens are fabricated in a manner that adequately...

A scientific and feasible design of water conservancy project for the region of Shuiqin Road in the new district of Lanzhou is proposed in this paper. Combining with the requirement of local agriculture and the characteristic of fluid mechanics, we designed the construction of this project. The design...

The multi-stack has been designed based on sequence storage in reference [1]. But there have two problems: 1.Usually allocate the storage space to the multi-stack in advance, but when one of the stacks has too much data elements, Then the push stack operation will cause the space insufficient, appear...

The modern medicine has closer relationship with the support from the medical image information, medical facility or system. In the medical image processing and medical facility, the ultrasonic imaging, CT, magnetic resonance, surgery, and traditional Chinese medicine diagnosis are closely related to...

Steam pipe network is important facility in the iron& steel enterprises to recycling the waste heat energy and reduce the comprehensive energy consumption. In this paper, we analyze the necessity of data-driven modelling and data reconciliation for the schedule and operation of steam system through EMS....

The driving motor is the direct power source of electric vehicle, and speed、torque、work efficiency of motor have a great influence on the matching of vehicle powertrain. The back-to-back motor test not only can detect some key parameters, but also can detect the motor performance is good or bad. However,...

Lemongrass showed potential for development as a functional ingredient due to the presence of alpha-glucosidase inhibitors (AGIs) and lower cytotoxic activity. However, studies regarding the application of lemongrass as ingredient have yet to be conducted to observe stability against heat treatment in...

Organophosphorus compounds are the most widely used insecticides, accounting for an estimated 38% of total pesticides used globally. Chlorpyrifos is known for its significant use in agriculture; although chlorpyrifos is defined as a moderately toxic substance, its residues create detrimental effects...

Research on dynamic coupling mechanical properties between weaponry and soft ground is a frontier subject in the field of terramechanics. It mainly deals with the research of infantry weaponry, artillery weaponry, ammunition equipment, military vehicle equipment and ground and their interaction dynamics.By...

When the steel structure is used as the main tower of long-span cable-supported bridge, one big difficult that we must face is the precision control of the steel tower segment. In order to meet fabrication and erecting precision requirements, high precision of the mechanical cutting of each segment end...

Recent times woven fabric Glass/Carbon hybrid composite laminates find extensive applications in automobile, aircraft and machine tool structures. Many researchers have contributed towards achieving the best layering arrangement of the hybrid laminates with improved static and dynamic stability. In the...

In the context of fierce competition, the human capital development of enterprises is subject to economic transformation factors and becomes essential. The purpose of the article is to study countries and analyze the investment of enterprises in the development of human capital. The study examined the...

A problem that often occurs in industrial areas is roads damage that are caused by the low carrying capacity of their subgrade as well as by over capacity of heavy vehicles passing through those roads. A lot of waste that is produced in industrial areas, which also another problem, can be used as soil...

Obstacle avoidance is an important aspect in service robot navigation. This research proposes an approach that integrates Lidar sensors with Simultaneous Localization and Mapping (SLAM) methods to improve the robot’s ability to identify, understand, and avoid obstacles in dynamic environments. This data...

Climate change occurring in Java Island as a result of weather anomalies (La Nina) has led to more intense rainfall and higher frequencies compared to normal conditions. Phenomena perceived as extreme weather in a particular region or area can disrupt and pose a threat to water resource infrastructure,...

The paper presents a plant-inspired organic photovoltaic (PV) cell that leverages the natural photosynthetic processes of plants to create a sustainable solar energy solution. The solar cell uses chlorophyll and activated charcoal as the main renewable energy ingredient. The photovoltaic material aids...

This study addresses the limitations of traditional rock uniaxial compressive strength (UCS) testing methods in water conservancy and hydropower engineering. Taking rocks from a pumped storage power station project area in Zhejiang Province as the research object, a UCS prediction model based on support...

As the challenges associated with developing carbonate reservoirs intensify, acidized fracturing has emerged as a crucial method for facilitating the efficient extraction of oil and gas. Slickwater fracturing fluid is the most commonly utilized among these options. Nevertheless, its drag reduction capabilities...

Fluid cooler on system cooler machine automotive generally use coolant with mixture ethylene 2 glycol minimum 30 percent. Moment This use Nanoparticles can mixed on fluid cooler base between fluid And nanoparticles that have characteristic physique thermal more Good from fluid cooler pure. This is simulating...

The dynamic nature and sudden occurrence in loose, saturated soil deposition make liquefaction the major damage catalyst during an earthquake. Areas liquefied in the built-up areas suffer significantly, and there is substantial evidence of such occurrence since the term liquefaction coins [7]. Being...

The output voltage of small wind driven generator presented non-cyclical fluctuation affected by wind speed, which then leads to unstable accumulator charging voltage. In order to improve charging efficiency and prolong accumulator's service life, this paper designed a steady voltage circuit based on...

In order to realize the risk control of complex system, make sure its safety operation which have a number of nodes and complex associated, using implicated control of important nodes to suppression system crashes, from the perspective of accident network, based on static network node degree, node central...

The results of forecasting the development of uneven settlement of buildings according to computer simulation of soil foundations with various geological structure using the software package «Alterra». The regularities of uneven vertical displacements and changes in the stress-strain state of the soil...

In this study, a new bi-layered silk fibroin (SF)/ chitosan (CS) wound dressing was investigated. The morphology, cytocompatibility and effect on open wound healing in rats were studied. The results show that the SF/CS wound dressing has homogeneous porous structure and support the attachment and proliferation...

With the fast development of education information, application of computer network and information techniques in teaching subjects is more and more common, and the English remote education is no exception. This paper firstly analyzes the necessity of the application of computer network and information...

In order to study the static and dynamic characteristics of metal helical spring ,a finite element model of the spring was set up by using Ansys, An experiment was designed to validate the result, the results of the experiment and the Ansys proved that the static stiffness of metal helical spring is...

In order to study the aseismic performance of base-isolated structures considering stair under near-fault ground motions, two base-isolated structure models were established in this paper, which one considered the effect of stair and another didn’t. four near-fault ground motions and four far-fault ground...

Bioleaching was used in this paper to leach heavy metals from tailings; Static magnetic field was used to strengthen the leaching rate of heavy metal (such as As and Cu), under the conditions of magnetic induction intensity separately were 1 m T, 2 m T ,5 m T , 8 m T and 11 m T , The results showed that...

Currently, how to innovative use of big data becomes hot issues. Cloud computing, a new generation of information processing technology to examine the key issues in the development of modern cities, especially by means of data processing, data completely solve the problem that need to solve in the urban...

In order to assess the damage of reinforced concrete slabs under the effect of explosion shock wave, finite element models were built with LS-DYNA. Different models under four working conditions in TNT equivalence, reinforcement and slab thickness were considered. Equivalent plastic strain was brought...

For the computational efficiency issues of multiple sequence alignment (MSA) caused by large amount of calculation. Based on the Hybrid Parallel model for MPI, OpenMP, CUDA, research on genetic and simulated annealing algorithm for multiple sequence alignment, to maximize computing capabilities is proposed.Analyzes...

Large eddy simulation (LES) for a supersonic Mach 1.8 flow past 2D cavities with/without passive control is carried out to investigate the characteristics of oscillations, and the dynamic mode decomposition (DMD) is used to identify the dominant flow structures with pertinent frequencies. A passive control...

Properties of the products derived from the reaction of 6-aminopenicillanic acid (6-APA) with varying number of H+ have been researched by B3LYP method of the Density Function Theory (DFT) on the basis of 6-31G* sets. It is found that the products are all unstable, and easily open their beta lactam rings....

The article proposed a combination optimization method of load ratio and equilibrium power generation scheduling in long-term unit commitment base on the traditional long-term unit commitment method, which can satisfy the equilibrium generation scheduling needs, and improve the unit load rate as far...

Fatigue load applied to a group of test beams at identical stress level and identical frequency but different cycles. Research on fatigue performance of the group specimens such as steel strain and deflection curve along with the change of fatigue load cycles. Reveal the fatigue failure mechanism of...

The variation of rock mass mechanical parameters has a significant impact on the dynamic response of tunnel lining. Regarding the deformation modulus, Poisson's ratio, cohesion and frictional angle of rock mass as basic random variables, the effect of these parameters on the reliability index of tunnel...

By using the hydrolysis of Al3+ salt under near-neutral conditions, Al(OH)3 colloidal solution has been prepared. The polypropylene based ultrafiltration (UF) membrane materials were uniformly coated with Al(OH)3 colloid via hydraulic spin coating technique. It was indicated that the degree of hydrophobicity...

The object of this paper analyzes the reliability of half-through concrete-filled steel tubular arch bridges. Load and resistance parameters are treated as random variables. The statistical parameters are based on the available literature, test data and survey results. Reliability indices of main components...

This paper discusses the wind pressure distributions on high-rice buildings with partial openings by means of wind tunnel tests and numerical simulations. The wind tunnel tests were carried out in the boundary layer wind tunnel over an urban terrain with a geometric scale. The numerical simulations used...

This study aims to determine the hyperelastic parameters of skin (ovine). Firstly, experimental procedures involving mechanical tensile tests on ovine skin are conducted according to ASTM International Standard. Then, experimental data and hyperelastic model for biomaterials are integrated. Finally,...

Harmony search algorithm is an intelligent optimization algorithm. The function converges to its optimal solution with increased iterations and completes the optimization by adjusting the solution variables repeatedly in harmony memory. The original steps and processes of harmony search algorithm are...

The electric field operating and rapping parameters of 1# Electrostatic Precipitators (ESP) had been monitored and analysed in a thermal power company. There were five electric fields in the ESP. The rapping time of 1# ESP was 150 seconds. The time interval when the rapping was stopped increased sequentially...

Nations’ leaders throughout history have left a record of that leadership in the form of architecture. That record can be a monument, building, or any other grand or not so grand gesture. This activity was designed to show the authority and power of an entire nation at a given moment in time. Indonesia...

The paper considers the problem of conceptual modeling (CM) of the domains, in which a large number of changes takes place, possesses a number of specific features connected to the nature of the ongoing changes or large quantity of independently acting agents possibly produce changes in various parts...

The article presents a new method for technical preparation of production in digital technology application. This method reduces risks of project, which goes over costs and deadlines. The main achievement is implementing the concept of using CALS-technologies in production technical preparation (PTP)....

This paper focuses on the design process of the choice of design based on the hedge lane design ideas of Xin Zhou city Shan Xi province to Bao De high way G3 section. Through the analysis of the position, length, and the selection of the packing of the slope, the reference is provided for the establishment...

According to a pipe laying vessel in the South China Sea, we can get different mooring layouts with anchor distance and angle as factors of the orthogonal test. Then the stress and motion displacement of anchor based on different layouts are calculated by using Moses software in different wave direction....

The soil moisture node and water-saving irragation node distribute in the farmland constituted Wireless Sensor Network(WSN) of system via communication technology of Internet Of Things(IOT) like ZigBee,3G/4G and so on.Intelligent sensor of soil moisture node collect soil moisture data and send the data...

Cookies was a pastry made from wheat flour that contains a high amount of fat with the firm and crispy texture. Wheat flour was one of many imported products in Indonesia, while there were still a lot of raw foods that can be made into flour, one of them was edamame flour which can be made from edamame...

An Arduino-driven power supply was applied to control the electromagnetic field of a synchronous machine experimented in this work. Typically, electromagnetic field was controlled by adjusting the field current. In this work, the field was directly controlled by regulating voltage source of the exciter...

Young engineers are developing various competencies during their education. It is important to explore the requirements of one of the main labour markets for them. The aim of this study is to explore the needs of competencies of young engineers in the labour market of polish energy sector as well as...

The monitoring system in solar power generation is important. It will provide some data for measuring the performances of the overall system. In this paper, a monitoring system of 660Wp solar panels for the roasted coffee machine was introduced. This system uses Arduino Mega as its central processor...

The increase in earthquake activity has led to changes in design standards, resulting in buildings that were once considered safe now becoming unsafe. Therefore, alternative reinforcement is needed to increase building capacity by reinforcing structural and non-structural elements, one of which is ferrocement....

This research investigates the satisfaction levels of boys’ hostel residents of International Islamic University Islamabad (IIUI) with water facilities, considering both quality and quantity dimensions. A survey, administered to 205 residents through a carefully designed questionnaire, employs data analysis...

A crucial stage in the categorization of brain tumors for medical diagnosis and treatment. Magnetic resonance imaging (MRI) is routinely used to distinguish brain tumors; however, manual interpretation of the MRI data is arbitrary and time-consuming. In this work, we used transfer learning and the ResNet50...

Indonesia is prone to natural disasters such as earthquakes and tropical cyclones because of Indonesia’s geographical location on the ring of fire, the equator and its long coastline. These two disasters often cause damage to roof tiles. Clay roof tiles, which are currently widely used, are proven to...

To investigate recent tidal dynamics in the Huangmaohai waters, this study analyzed spatio-temporal hydrodynamic characteristics using principal tidal flux cross-section algorithms based on 15-day buoy observation data during flood and dry seasons. The flood and ebb currents in the Huangmaohai estuary...

This article conducts an in-depth study on the fire resistance performance of the X-type intersecting joint of stainless steel square main pipes and round branch pipes. By establishing a finite element model, the mechanical behavior of the joint in a fire environment is simulated, and the effects of...

This paper compares the performance of a condenser during the period between August and December 2018 to that during the commissioning period. It belongs to the Steam Power Plant (PLTU) I in Central Kalimantan. The comparisons are carried out in terms of the load, LMTD, temperature efficiency, capacity...

This paper presents a mathematical model for dynamics of HIV transmission by considering a saturated incidence type interaction for the human to human sexual transmission. The equilibria of the model are discovered, and the basic reproduction number is calculated. The analysis shows that if the basic...

The rapid evolution of green shipping technologies necessitates a corresponding enhancement in communication skills among maritime professionals, particularly in maritime English, the lingua franca of the global shipping industry. This study explores the critical role of maritime English in the effective...

As many as 32 million cases of tendon injuries are reported every year in the world, of which more than 50% are tendon diseases in sports related injuries. Due to the aggravation of the aging process, the incidence rate of degenerative tendon injuries is rising significantly. Traditional autologous or...

In recent years, autonomous driving technologies have emerged as one of the most revolutionary innovations, becoming a key focus for transforming traffic structures. With the gradual development of the industry, the controller has become a key component of the autonomous driving system. The controller...

Microbial Induced Calcium Carbonate Deposition (MICP) technology is a green and environmentally friendly method of soil consolidation by using microbial metabolite urease to promote the hydrolysis of urea to generate carbonate, which in turn combines with calcium ions to form calcium carbonate precipitation....

The development of bio-based polymer composite materials not only promotes a better environment but also assists to compensate for the gap between demand and supply of non- renewable materials. In the current research work, an attempt was made by fabricating cellulose reinforced polymer bio-composites...

The Covid-19 pandemic has occurred all over the world, one of which is Indonesia. This affects all fields, including education. Learning activities are carried out online with the help of media, not face to face. This study aims to analyses the effectiveness of using simulation-based visual learning...

Energy, whether non-renewable or renewable, is vital for the survival of all the living things on this planet. The growing human population all over the world has increased the demand for energy resources and energy from the sun has earned significant interest in recent times. However, the efficiency,...

As a new paradigm of educational research since last century, ecological classroom has thrown great light on the educational study. Under the background of the harmonious society, ecological classroom has already become the developmental trend of classroom construction, so that the research on measures...

In this paper, we study the problem of mass data storage and encountered in its process. We choose D3Base, one of distributed database products, to compare with the Oracle, and do relevant testing work. The deployment of distributed database products and the construction of network environment are also...

Recent research has proved that, the local reactive power control laws considered to solve voltage stability issue might lead to voltage instability. For this reason, the current paper proposes an approach to study voltage stability of multiple distributed generators in distribution feeders. The methodology...

The embedded training of submarine emergency manipulation is one of new maneuver control training method, which enhances submariners' operational capacity and improves the navigation security of submarine. The development survey of submarine emergency motion model, training of emergency manipulation...

For further study on the principle and characteristics of multi-terminal VSC-HVDC system under the condition of the AC/DC hybrid power grid, firstly, this paper establishes the model of three-terminal VSC-HVDC system based on PSCAD/EMTDC. Secondly, according to the different transmission properties between...

This paper is to propose a management method of distribution network's wide-area reactive power control with low voltage-violated buses. The concept of voltage-violated bus was proposed, and based on this concept, the distribution network's reactive power control with low voltage-violated buses was established....

Assembly line is widely used in manufacturing system and assembly line balancing problem directly affects the productivity of the whole manufacturing system. In the actual situation of assembly process, optimizing a certain goal in the process of actual assembly individually may cause the neglect of...

For the uncertain change characteristics of transition matrix parameters in complex FPN system,this paper presents a parameters optimization algorithm based on CDEDPSO.This article focuses on the weight, threshold and certainty of FPN optimized model and these parameters are analyzed, improved and simulated...

In Vietnam, now many hydropower project adopts the EPC (engineering, procurement and construction) of the contract. However, in the implementation of these hydropower projects, the EPC general contractors are facing many difficulties, resulting in schedule delays and considerable losses . From the above...

Intelligent material is widely used in the semi-active vibration control systems due to its the advantages as simple control, responding quickly, easy control of characteristic parameters, low power consumption and strong robustness. In this paper, the damping device for machine tool based on intelligent...

Through the research on automated testing framework, the efficiency of automated testing can be improved, and the problems in the testing process be solved. The PATF framework provides a good solution for automated testing.

The air samples in two different stages (high temperature sterilization stage and fermentation stage) of penicillin fermentation workshop were sampled in fermentation process to investigate the pollution level of VOCs in fermentation exhaust. Results showed that the staggered variation of VOCs in penicillin...

Lead-rubber bearing (LRB) has small horizontal resistance under creep loads, and its post-yield stiffness reduces quickly under seismic excitations, while the hysteretic behavior of lead core dissipates the seismic energy; Fluid viscous damper (FVD), which is a speed-related energy dissipation device,...

Many marine bays have been polluted by various pollutants including Cr, and therefore understanding the migration rules and theories is essential to pollution control and environmental remediation. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. Based on the research on the distributions,...

This paper proposes a general overview of existing technologies and methods of organization of disassembly of end-of-life vehicles at the end of their operational stage. The experience of countries with the most effective ELV recycling systems has been analyzed in order to develop recommendations for...

In this paper, the Nostoc 106 has been taken as the test algae and the antioxidant effect of ascorbic acid in the process of killing cyanobacteria by UV-C radiation has been discussed through employing the ascorbic acid as the experimental subject. At the same time, the resistance effect of ascorbic...

The living environment is the base of the survival and development of human, its sustainable development is directly related to the extent of human life and it is one of most important content that measure the progress of human society and culture development. With the rapid development of economy and...

With the progress of the society and the development of information and communication technology, information system is rapidly expanding in various industries and fields. There are more and more data that these systems collect, process, and accumulate, and the growth rate of data volume is larger and...

With the decrease in the over ground utilizable space and increase in growth of metro structures, cut and cover structures are becoming rather impossible to conceptualize and construct. Hence they are slowly replaced by underground openings made by NATM methods. These tunnels could be using rock bolts...

A modified cup-burner apparatus with a vibrating-spiral micro feeder was developed for testing the extinguishing performance of superfine powder fire extinguishing agent (SPEA). The suspension velocity of SPEA particles was calculated using the suspension-grade-model (SGD). The formation mechanism of...

Continuous roll forming is a new sheet metal forming process for three-dimensional surface parts. In the process, the sheet metal is thinned non-uniformly in transverse direction by controlling the distribution of the gap between the upper and lower forming rolls, the longitudinal elongation is different,...

A design system for the sprout vertical cultivation device has been developed with Visual Basic and SolidWorks redevelopment technology. This system features a simple user interface and easy operation. Practical applications show that the system can work out the manufacturing materials required and update...

A mathematical model of the system of seismic vibrations, which consists of the flood dike of tailing dump, deposit material (tailings) and bottom ground layers, is developed. The model is represented as a contact boundary problem for the differential equation of shear-viscous lateral vibrations of the...

The main purpose of this research is to test the consistency of Big Five Personality Plus dimension and indicator on Mompreneur in Pangkalpinang City. The research method used is descriptive-quantitative, with respondents mompreneur in Pangkalpinang City who has a culinary business of 60 people. The...

A new classification method based on binary coding is proposed for composite information consisting of a variety of basic information types, which takes the composition of composite information into account at the initial stage of design, so it has high efficiency and good scalability in search operation,...

Voltage transformer (PT) is an instrument transformer, which is used to transform voltage on line. Chaoyang power supply company has occurred two 10kV three-phase five column voltage transformer burnt out accident. From the angle of accident analysis, the cause of the accident is analyzed. The main reason...

The small sugarcane harvester is the main model that it is fitted for hilly areas, but it is vulnerable to conveying failure. To breakthrough the limitation of individual harvester`s structural improvement traditionally, Traditionally structural improvement to the individual harvester is not generally...

To manage fishery resources in Indonesia with the principle of sustainability, it is necessary to apply the eco-fishing port concept. This study aims to develop a model for assessment of eco-fishing port with prevailing conditions and regulations in Indonesia. From the model that prepare, the application...

The article proposes a complex scheme of processing of fruit and berry and animal raw materials as a valuable source of physiologically valuable ingredients in human nutrition. The chemical composition of the powder of reindeer antlers and juice and phyto-powders of berries, cranberries was carried out...

This study aims to produce learning tools that are feasible to be used in the learning process. Learning tools developed are oriented towards guided inquiry models that aim to train students' scientific literacy skills. Learning tools consist of syllabus, lesson plans, student worksheets, and assessment...