Advances in Engineering Research

The Coordination Planning of distribution network with distributed generation and energy storage is a hot research topic at home and abroad. This paper proposes a multi objective programming model with minimum investment cost and minimum annual operating cost as the objective function; the uncertainty...

This article describes the communication with no fixed centers of base stations, and the establishment of a multi-level communication network via the wireless module,which enables the communication of data between the control center and the front end of two-way transmission. This project uses TDMA communication...

A novel Y-shaped open stubs with harmonic suppression performance is proposed. To obtain the impedances of the open stubs, ABCD matrix analysis and computer aided design (CAD) optimization simulation are used. The proposed Y-shaped open stubs show that not only good match and low insert loss at fundamental...

An airborne strapdown inertial navigation system based on DSP is introduced. The TMS320F28335 and TMS320C6416 DSP chips of TI Company are used as the core components of the system, and the CPLD technique combined with the dual DSP structure of strapdown control and solution are used to realize logic...

The development of industrial automation puts forward new requirements of plate rolling machine, traditional plate rolling machine has been unable to meet the market demand. In view of this situation, this paper a kind of control system of plate rolling machine is designed based on trio motion controller,...

Transplanting of plug-seedling is an important method for seedling transplanting. Considering the problems existing in the transplanting of plug-seedling, a new plug-seedling gripping device based on mechanical finger was designed using Solidworks in this paper. The device controlled the rotation and...

To study the mechanical properties of emulsified asphalt cold recycled materials, and recommend reasonable structural parameters. Using orthogonal experiment design method the ABAQUS finite element analysis software to simulate, range method is used to analyze the simulation results. When the emulsified...

With the rapid development of information technology, IT business system is gradually increasing, and business system more and more depends on the information platform. Information platforms need a large number of IT elements support, monitoring software has become a key part of this. Whether relying...

This article is devoted to the development of technical solutions and structures aimed at improving energy efficiency of solar plants in the regions with temperate continental climate through the adaptive control of coolant velocity. The main development stages of the adaptive control system and its...

Nanodiamond (ND) as a filler material provides a nucleation effect on polyphenylene sulfide (PPS) and promotes its crystallization. The effects of ND on crystallization behavior and kinetics of composites were investigated by DSC. The results show that ND acts as an nucleating agent for PPS to accelerate...

A new kind of admixture for the shotcrete was proposed, its main ingredient is silica fume (61.3%) and bentonite (38.3%), plus a small amount of polyacrylic acid (0.4%). The influences of the admixture on the liquidity of shotcrete were studied, it is results that: 1) with the increase of the cement...

To research about parameters influence on the mechanical performance of haunch connection with haunch only on bottom beam flange, On the based of the analysis about haunch connection design step, theoretical calculation and ansys simulation were used to study the effect of haunch length, height ,beam...

The current building escape regulation is specification standard mostly according to the purpose and size of the building. Therefore, for the operation of the regulation, the classifications of building use must be clear and consistent, but the classifications of the architectural field and the fire-fighting...

It is well known that 4,4'- hexafluoro isopropylidene-phthalic anhydride(FDA) has higher permeability and selectivity. It is contributed to –CF group contained in polyimide structure material. In this study, the diffusion properties of a,w-bis(3-aminopropyldimethyl) oligodimethylsiloxane (ODMS) fragment...

Tree skeleton had great significance in constructing the three-dimensional model of the botanical tree and investigating the forestry. Based on the point clouds of the botanical tree collected via the terrestrial 3D laser scanner, we proposed a method of rapidly constructing the tree skeleton with the...

As China's wind farms increase rapidly and wind power installed capacity is growing, cleaning attendant wind turbine maintenance problems will become increasingly prominent. Most fans installed in harsh environments, high altitude, complex climate, while the leaf and work in high-altitude, all-weather...

To decrease network link cost is one of the most important paimsrs for computer network reliability optimization design. In order to make the network cost minimum, the network link medium cost, mathematics mode of reliability and resolve algorithm must be considered when it is designed. In the paper,...

In the present study, slope stability analysis has been carried out for Pakhi landslide, atPipalkoti, Uttarakhand Himalaya, India. The site is situated alongside Chamoli-Badrinath National Highway (NH-58) in the Higher Himalayas. This route has immense importance due to its functional service for both...

We report on a simulation of interior flow field in launch box with shock wave-opening technology. A three-dimensional model of the launch box has been established to study the process of shock wave forming and transmitting. The simulation of model was calculated with unsteady standard model. The whole...

Because the static heat capacity is set up on the low probability of occurrence of adverse conditions,this results in the waste of line transmission capacity.This article describes the technique of dynamic Capacity,beidou satellite accurate timing Technology is added to the dynamic capacity-line monitoring...

For precision mechanical system, the different 3d spatial distribution of form error causes different assembly contact state. Since 3d spatial distribution of form error is not taken account in modeling and evaluation method of geometric form error and it is hard to quantitatively analyze the relationship...

With the deepening of the official ship information construction, the building of communication command network architecture becomes one of primary tasks. A summary and review about some core elements about satellite communication, HF network and communication networks for ship formation was given. Based...

[Purpose] The formation of kidney stones related closely to the properties of urinary nanocrystallites. This study aimed to investigate the components of urinary crystallites in 56 cases of patients with magnesium ammonium phosphate (MAP) stones compared with the components of stones. [Methods] X-ray...

With the development of science and technology and the progress of the society, the wearable lower extremity exoskeleton robots become more and more popular. In the paper, on the basis of market research and the theory of ergonomics, design sizes of the lower extremity exoskeleton have been determined....

Urban areas lying in the alluvial soil are usually prone to a threat of liquefaction even during moderate earthquakes. Liquefaction is the measure of vulnerability of saturated sediment to thickening (compaction) during earthquake and thus to pore water pressures generation (formation) sufficient to...

In the ac/dc hybrid micro-grid, the reasonable configuration of the micro power to improve power supply reliability and economy is the most important issue due to the types and combinations of distributed power sources are too many. The paper considers the power installation cost, the operation maintenance...

The bioavailability of cadmium (Cd) is closely related to its presence in soil, in the experiment, grape was intercropped with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) to study the effects of grape seedlings intercropping with Bidens species on the...

This paper mainly analyzed transit capacity matching between high speed railway and subway in comprehensive transportation hub.Combined with example and used TOPSIS method to evaluate the Beijing south railway station capacity matching condition, proposed reasonable suggestions to improve current situation.

This paper presents a self-adaptive fuzzy logic controller for a pH neutralization process which has been designed and implemented in real time process. The controller deals with the minimization of both the steady state error and time taken to reach steady state under varying operating conditions. The...

Population growth and the development of economic in Indonesia affect the increase in vehicle volume, especially in the city of Surabaya. The increasing of vehicle volume resulting in increased of direct-access to the city centre and causing arise of new railway level crossings. Furthermore, the increasing...

Indonesia is the third largest cassava exporter in the world. In the last 20 years, the Indonesian cassava exports was fluctuated and tended to decline, mainly to the Republic of Korea and Malaysia. The research purposes is to analyze trend exports of Indonesian cassava to The Republic of Korea and Malaysia,...

The paper analyzes two kinds of driving mode of piezoelectric injectors ccording to the characteristics of the piezoelectric actuator, then compares the advantages and disadvantages of the fixed duty cycle PWM switching type, variable duty cycle PWM switching and driver-based adaptive current PWM switching...

The governing equation of pipe conveying fluid was deduced based on Timoshenko beam model. Wave method was applied to solve the governing equation. In the process, wave reflection matrices were obtained for three typical boundary conditions and the wave scattering model was established for the intermediate...

The article applies to the necessity of organizing continuous ecological education of specialists of railway enterprises and students of transport universities in the field of environmental management and auditing. The article presents the results of training and the survey of pilot advanced training...

the rapid advancement of technology in the field of industry is changing the construction world, and it comes in different forms, one of which is digital fabrication technology. As the technology of fabrication process that is aided by computer, such as 3d printing and CNC machines, becoming more affordable...

The Kayutangan Street Corridor is a historical area where there are still found historical buildings of the Dutch East Indies that form the distinctive character of Malang City. In 2019, the Mayor of Malang planned to revitalize the Kayutangan area with a Citywalk concept such as found on Jl. Malioboro...

Physiology is an experimental science, all of its knowledge comes from clinical practice and experimental research. In the teaching of physiology, in addition to theoretical teaching, the key chapters and key contents will be set with corresponding experimental contents to deepen students’ understanding...

Fatigue strength is one of the core principles for designing mechanical components. It has been a constant concern for engineers, as mechanical failure occurs due to loading exceeding the fatigue strength. This concern has led to a necessity to develop new approaches to estimate the reliability of mechanical...

Leaching investigations using deep eutectic solvents (DES) have been carried out to investigate the feasibility of an ionometallurgical approach to processing copper concentrates. The concentrate under investigation consisted mainly of chalcopyrite, pyrite, bornite, quartz, molybdenite, and trace amounts...

Balai Yasa (BY) is a place used for major maintenance of railway facilities. This is where the Railway facilities receive semi final maintenance (SPA), final maintenance (PA) to modifications. Some parts of the facility are being maintained, such as the bogie frame, braking, upper frame, electricity...

The vulnerability of switching substations to temperature and humidity levels inspired an IIoT-based security monitoring system to prevent fire hazards due to short-circuit electricity. An industry-standard security monitoring system is designed using PLC, HMI, and SHT20 - XYMD20 sensor module, which...

To address the problems caused by the new energy overhead electrified highway, such as reduced normal driving lanes, susceptibility to extreme weather conditions, and inapplicability in inner cities, this paper takes Kunming, Yunnan Province as an example. This study examines three different tunnel structures:...

Application of low alloy steel in the wood processing in pulp and p per mills is widely used due to its strength and ease of forming. However, Low wear resistance due to friction makes the service life short and thus uneconomical. Increasing the wear resistance of the surface by hard-facing is an attractive...

Leakage is a typical accident of long-distance pipeline and an important cause of other accidents. Various factors that may cause pipeline leakage during the operation of product oil pipeline are analyzed, and the fault tree model of long-distance pipeline leakage accident is established. Through the...

Applications for Electric Vehicles (EVs) and portable electronics heavily rely on multiport converters. The only converter utilized for both energy production and consumption is the DC-DC converter. Different input and output configurations, such as single or multiple input and output, are available...

This study investigates torrefaction as a biomass valorization approach and its potential to offer green solutions, and studies Prosopis mesquite, an invasive species that has caused ecological and socio-economic problems in Botswana. The reason torrefaction is considered good is because it can turn...

AnalysisDelay in Housing Development is an activity that aims to build a facility and infrastructure within the planned time provisions but in the implementation stage it cannot be completed within the agreed time, therefore the author conducts research using the Faul (Tree Analysis) FTA method which...

The N80 steel corrosion behavior of the produced water in Huabei oil field on behalf of NaCl/ NaHCO3 solution were studied by the corrosion weight loss method,and the fitted chart board involved salinity and anion content was built based on the least squares principle. Results show that influenced by...

This paper focuses on studying the problem of train-speed curve in railway transportation system. Different from the previous study, the characteristic of this paper is to optimize the train-speed curve by selecting the gear sequence and the switching locations. In the case of multi-vehicle cooperation,...

API hydrological model is common used on streamflow forecasting for its' simple structure and robust ability on acquiring high precision forecasting results. But for a long time, parameter calibration has been the major difficulty for the use of API hydrological model. API model develops from the empirical...

In this paper, the present situation of roof waterproof technology was discussed and the working principle and failure reasons of roof waterproof system were analyzed. Combined with the actual high-rise building project, the key technologies of roof waterproofing design and construction have been discussed...

The method to analyze the dynamic characteristics of the inter-shaft bearing in the dual rotor system is presented. Under different radial loads, the distributions of minimum oil film thicknesses and contact loads between rollers and raceways are obtained. The results show that the rollers' spinning...

Pnicogen bond is a Lewis acid-Lewis base intermolecular noncovalent attractive interaction in which a pnicogen atom (N, P, or As) is the Lewis acid. It has been known since 2011. In this paper, the topological properties of the particular set of pnicogen bond complexes formed with formaldehyde (HCHO)...

In order to study the distribution of stress-strain of bending and springback process, based on the platform of ABAQUS code, a 3D elastic plastic model of the whole NC bending process of 21-6-9 (0Cr21Ni6Mn9N) stainless steel tube was established, and its reliability was validated. Then, the distribution...

With the development of Chinese washing and industry, the problem of large amount of energy consumption and exceed the discharge standard of sewage cannot be ignored. The development of washing industry is not mature. It leads to energy waste and environmental destruction. Under the macro environment...

Constructivism is a new cognitive theory which emphasizes on the student-centered teaching methodology, pay attention to the students' active exploration, discovery on knowledge and active construction on the knowledge meaning. Constructivism learning theory is very adapt to the special teaching needs...

In order to avoid the vessel deformation affected the safety of the system caused by the wave load. Using the AQWA software to calculate the wave hydrodynamic pressure and using the APDL language to compile the program loading implement wave loads on hull automatically different wave high, researching...

In the measurement of G using time-of-swing method, the accurate determination of G depends on the period extraction of torsion balance with high precision. There are a great many methods of extracting period, and the nonlinear least squares fitting method and the correlation method are most frequently...

The previous person thought that the M163-1 aeromagnetic anomaly is caused by the concealed and magnetite content alteration gabbro, but through the study of regional gravity, magnetic data and geological data,we thought M163-1 aeromagnetic anomaly has the larger mineralization potential., which compare...

Photovoltaic power generation because of the advantages of no noise, no pollution characteristics, but also has wide application in the military field, this paper first reviews the current photovoltaic power generation applications in public military facilities, military soldier equipment, small military...

This paper describes an integrated design approach, which aims to interpenetrate and reconstruct the boundaries of architectural design and structural engineering. There are four relevant experiments involved in this paper. The specific design strategies varies in this four practical projects: the first...

Solid acid S2O2-8/TiO2-La2O3 (STL) was prepared by calcination at high temperature using complex oxide of TiO2 doped La2O3 as the supporter, and anion S2O2-8 as the accelerant. The catalytic synthesis of n-butyl propanoate over STL was selected as the probe reaction to examine its catalytic esterification...

The paper introduces three different ways to generate pseudo random number of multinomial distribution and also describes the implementation process in detail with the model of small ball and box. We mainly consider the generation using Gibbs sampling in MCMC method. In the paper, we intend to find the...

Vibration of welding robot mechanism is an important factor affecting the welding quality. In this paper, a modal test scheme is designed depending on the characteristics of the modal change caused by the posture change during the welding robot operation. In the modal test scheme, the posture used for...

By analyzing the working environment and mode of manipulator, the structure of manipulator was designed, which has four shafts, the upper and lower shaft, the shaft of rotation, the telescopic shaft, and the rotation shaft. The main structure of manipulator was divided into three parts, which are the...

PT. FGH is a manufacturing industry engaged in the processing of wood from raw materials to semi-finished or directly into finished materials. The products produced are products of tables, chairs, cabinets and wooden doors. In its production the physical environment will affect humans in the work. Temperature...

Simplified reasonably and modeled large scale desulfurization tower, using the software to build a physical model, using ICEM software to divide the grid, using software fluent15 to simulate. Selected k-? model as calculating model, SIMPLE algorithm is used to calculate. Calculation results show that...

Innovation of concrete technology becomes important for conserving energy, according to the building’s structural design’s weight. Thus, lightweight concrete can be a solution because it has a low density with good quality and optimum strength. One substitute for concrete is plastic, a polymer material...

This study aims to compare student learning outcomes using two different tasks in the Project Based Learning (PBL) learning model in a wooden structure course 1. The research method used is Quasi Experiment with pretest-posttest design conducted in 4 meetings. The subjects of this study were 36 UNJ Civil...

Ammonium ion is an common pollutant which exist in municipal sewage, fertilizer plant discharge and agriculture wastewater. This study aims to investigate the potential of carbon black (from pyrolysis of tire waste) and modified carbon black on the adsorption of ammonium ion in aqueous solution. The...

One of the activities carried out by every human being in fulfilling needs is by shopping. Shopping is commonplace in everyday life. However, for people who have very busy activities, shopping becomes a troublesome and time-consuming activity. The objectives of this study are (1) identifying media that...

Nowadays, various technologies have been developed to facilitate human tasks or activities, such as the use of volatile organic compounds (VOCs). VOCs are a diverse group of chemical compounds emitted as gases from various sources, including industrial processes, vehicle emissions, and household products....

This study aims to obtain a suitable tempering time for ductile cast iron on microstructure, hardness, and toughness. The investigated ductile cast iron Y-block contains a carbon content of 3.45 wt%, silicon 2.6 wt%, manganese 0.635 wt.%, chromium 0.275 wt.%, nickel 1.58 wt.%, molybdenum 0.177 wt.%,...

IoT (Internet of Things) has been widely used in the agriculture industry, ranging from food production and management to irrigation planning, as well as the prediction and prevention of diseases in plants and vegetables. This paper presents a review study on the IoT infrastructure, including its three-level...

Liquefied natural gas (LNG) is utilized as a dual fuel source in maritime engines, where LNG serves as the primary fuel and diesel acts as the secondary fuel. In pursuit of heightened energy efficiency and diminished environmental effects within the shipping sector, LNG has surfaced as an eco-friendly...

Predicting financial distress is a crucial thing in company management, so researchers are competing to develop methods that can produce high accuracy in predicting financial distress. One method that is being widely developed is Machine Learning. Machine Learning, which is a branch of artificial intelligence,...

The slope of the tunnel has an impact on the distribution of smoke and droplets, which subsequently affects the extent of thermal radiation damage experienced by individuals in the tunnel. Numerical simulation was employed to replicate the progression of fires in inclined tunnels. Using this simulation...

Currently, wind tunnel pressure tests are commonly used to study the wind load characteristics of photovoltaic structures, by reducing the aspect ratio of the photovoltaic panels to meet the testing requirements. This study investigates the influence of model width/thickness ratio on the wind pressure...

With the intensified market competition and the upgrading of consumer demand, furniture enterprises are facing the urgent need of transformation and upgrading. The emergence of the industrial Internet platform provides new opportunities for the digital transformation of the supply chain of furniture...

The purpose of this study focuses on developing a system for printing Student Study Result Cards (KHS) in the information environment of the River, Lake and Crossing Transportation Polytechnic. The information system was developed using the Waterfall Method. Overall, there are four stages of research...

The pouring vibration method is adopted to prepare a fireproof, durable and decorative wall panel, whose materials for preparation are mullite, cement, powder, glass beads, cellulose, pigments and waterproofing agent. The test result shows that the greatest dosage of raw materials for preparing decorative...

The mechanism governing the flocculation of activated sludge (AS) with different concentrations of aluminum was studied in this paper. The AS samples were cultivated in sequencing batch reactors at 22 . The sludge retention times (SRT) was 15 d. The dosages of Al3+ were 0.00, 0.0625, 0.125, 0.250, 0.500,...

The paper describes the development of a complex method of decision making support for the objectives of the Russian Federation innovative development with regard to the specific conditions of mining regions of the country. The extremely large amount of unstructured and poorly structured information...

A square 3D-trench electrode detector structure based on the fast readout electronics is simulated in this paper using TCAD tools. Due to the small size of this structure, the detector is intrinsically rad-hard and it's response time can be as fast as 10's of ps. Electric characteristics including electric...

At present, the traditional internal combustion engine vehicles caused serious damage to the environment, in this context, people must re dynamic problems for future cars for a full range of research and discussion, in order to make the traffic of our country energy strategy transformation. In this way,...

Y2O3- doped Al2O3 transparent ceramics have been successfully fabricated by microwave sintering at the lowest temperature. Compared to vacuum sintering processing, the microwave sintering needs a lower sintering temperature and shorter dwelling time to get highly dense Y2O3- doped Al2O3 transparent ceramics...

The cyclic variations in spark ignition engines occurring especially under specific engine operating conditions make the maximum pressure variable for successive in-cylinder pressure cycles. Minimization of cyclic variations has a great importance in effectively operating near to lean limit, or at low...

To improve the strength of the polyimide (PI), composites with SiC whiskers doping in the polyimide matrix were prepared. In order to avoid the conglobation of the whiskers, SiC whiskers pre-dispersed in the ethanol. SiC whiskers/PI composites were prepared by high-speed mechanical stirring. The resulting...

Galanga essential oil (GEO) liposomes were prepared by ethanol injection method and were characterized by size, polydispersity index (PDI) and zeta potential. Furthermore, the quality evaluation was conducted using the morphology observation and preliminary stability test. It was shown that Galanga essential...

It is quite difficult to get the temperature field of flow liquid from the three-dimensional perspective by hand calculation. But we figure out an unusual method to obtain the temperature, and we also use 3D software to simulate and test. In order to facilitate the calculation, we use cuboid bathtub...

High penetration of intermittent distributed generation access to the grid is a new challenge of the grid planning and operation. In order to achieve the best balance between economic cost and distributed generation capacity, a new method of active distribution network integration considering voltage...

Unlike the general tile laying problem, the tiles, in this case, have a variety of different shapes and can be rotated when placed, thus increasing the difficulty of solving the problem. Through the object-oriented analysis method, the article analyses the characteristics of the tiles and flooring, constructs...

11605 coal face is the first working face in the lower series coal of Daizhuang coal mine, whose gateway drives along No.16 coal seam, containing iron sulfide with the thickness of about 300mm under the roof of 400 ~ 500 mm. To insure efficient driving of 11605 face gateway and meet the construction...

Denoising is an important problem in image processing, as it can influence the following processing step and decide the final visual effect. To denoise the image and preserve the details, this paper enhances the Nonlocal Means. When estimating the value of a disturbed pixel, we use the information of...

As a new working substance of heat transfer, nanofluids have broad application prospects in the field of heat transfer enhancement. The preparation of nanofluids is the foundation for further study on other areas of heat transfer, such as the cooling of electronic components, the use of solar energy,...

He cold asphalt concrete is laid composite that combines the advantages of rigid cement concrete and asphalt concrete flexible pavement materials and new waterproof materials, and it is also known as semi-rigid concrete or semi-rigid waterproof concrete. Cold paved asphalt concrete composite retains...

From the beginning of the last century, the sugar industry has been undergoing reform and advance. In the global economy, the traditional sugar industry chain has been unable to promote economic development, and this development is not based blindly on raise sugar content and sugar yield of sugarcane....

Aluminum metal matrix composites (Al-MMCs) with Al2O3 particulates as reinforcement fabricated by the power metallurgy (PM) techniques have gained much attention due to their unique characteristics, which combine the roles of the process method, Al2O3 particles and aluminum matrix. The contents and sizes,...

In the nowadays scenario the fossil fuel sources are depleting. Energy is obtained by the conversion of energy into other. The renewable sources of energy become more popular. One such energy is explained in this paper. The number of motorcycle pass through Speed Bumper on the road is increasing every...

This article mainly embarks from the angle of Walter Gropius' architectural thought, through the analysis of his classic works, discussing his thoughts on the impact of architectural design.