Advances in Engineering Research

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...

Aiming at dataset with different feature attributes and multi nominal decision categories, a new design algorithm using PSO for instance-based learning classifier is put forward which can facilitate to make a better classification decision. On the basis of classes and interfaces in Weka platform, this...

In CSA report entitled "The Notorious Nine: Cloud Computing Top Threats in 2013", DoS attack is ranked fifth. In the practical cloud computing environment, DoS attack is always the most effective and destructive threat, bringing a great impact on the cloud. We focus on VMware vSphere which is one of...

The widely application of the intelligent logistics is based on Internet of things, based on the use of advanced information collection, information processing, information flow and information management technology, complete including transportation, warehousing, distribution, packaging, loading and...

With the computer virus, hacking and other network information security incidents gradually increase the frequency, people are increasingly aware of the importance of network security. Network security has become the current computer network is facing one of the most important issues. Intrusion detection...

The influence factors of cable junction accidents was determined by accidents analysis. The research methods to utilize rough set theory to extract effective information from cable junction accident data in history was discussed in this paper. Cable junction accident decision table attribute reduction...

Oscillating voltage is an effective method for PD detection in XLPE cable. In this paper, it mainly described the principle of oscillating waveform test system (OWTS) for PD detection and proposed the peak-correlation method for the location of partial discharge points. Then, an oscillating waveform...

Twelve Etawah Cross-breed goats were used to determine the effect of Nothopanax Scutellaium Merr on Mastitis and Milk Quality of Etawah Cross-breed Goat. A randomized block design was used in this study with 3 treatments and 4 groups. The treatments of the research were P0 = control diet, P1 = P0 +20...

Energy consumption in Indonesia increases annually but fossil fuel reserves are limited. Biodiesel is an environmentally friendly fuel that has physical and chemical properties similar to that of diesel. Biodiesel can be made from animal oil, one of which is oil derived from the waste of patin fish....

The management of student final assignments must change along with the outbreak of the covid19 virus and causing the pandemic so that online-based learning is implemented. This research was carried out to produce software using MVC Framework for managing student final assignments, starting from proposal...

Hail is a solid precipitation that falls from cumulonimbus clouds. Hail is formed by moving updraft and downdraft through thick layers of different temperature and humidity inside the cumulonimbus cloud, and when it falls, it causes a strong impact on the surface in direct relation to the acceleration...

This paper presents a comprehensive study and analysis of building energy efficiency design in the context of advocating the development of green buildings. The following research is not just the development of green building design, but through the comprehensive application of big data to carry out...

Emotion recognition system (ERS) is a technology that enables machines to recognize human’s emotion. The machines use various modalities as input such as facial expression, voice intonation, gait, brain’s electroencephalogram (EEG) and heart’s electrocardiogram (ECG) to interpret human’s current state...

Cobaltosic sulfide (Co3S4) has been introduced into dye-sensitized solar cells (DSCs) as a counter electrode (CE) in place of Pt for the first time. The DSCs with the pure Co3S4 CE obtain a power conversion efficiency (PCE) of 4.2%, only reaching 79% of the comparable DSC using Pt as the CE (5.31%)....

In this paper, the static attack graph is combined with the dynamic evolutionary computation, and a method of attack graph generation based on evolutionary computation is proposed. We extend the traditional attack graph to the dynamic attack graph with time and space changes. According to related attributes...

This paper proposes an airplane parameter estimation algorithm based on the study of the problem of interference localization in impulsive noise environment. Firstly, an extended signal model to accurately estimate parameters of the target is proposed with Alpha-stable distribution model. A method of...

The different concentration of BPEI were blended into the MEH PPV, and then respectively be composed into the MEH PPV/ZnO PHJ solar cells. Through calculating the dark reverse saturation current, we found that the interface barrier ΦB was changed. Interestingly, the open circuit voltage Voc was observed...

It is to guide the natural gas power generation capacity reaching 110 million kw in 2020 according to "Natural gas development "thirteen five" plan", and the natural gas power generation installed ratio from 4.33% in 2015 rises to 5.5% in 2020. Benefiting from the gas and electricity reform policy, the...

In recent years, with the standardization of key infrastructure control system, intelligent, network development, the network attacks against the critical infrastructure is increasing. Electricity, petrochemical, rail transportation and other key infrastructure involving the national economy and the...

In this paper, the lightning arrester explosion accident and transformer short-circuit accident in power supply system were analyzed in detail. It was found that the operating over-voltage caused by the frequent operation of the 35kV high voltage switchgear was the main cause of the accident. It was...

This paper discusses the Heisenberg's uncertainty principle and windowed uncertainty principle associated with 1D linear canonical transform (LCT) and the Heisenberg's uncertainty. principle associated with two types of 2D LCT for the first time. These uncertainty bounds are related with the transform...

There are a large number of transitional rocks (silty mudstone and muddy silty sand) in the Fuyu reservoir, which affect the seismic characteristics and reduce the reservoir prediction accuracy. The lithology P-wave impedance log can be created by the well log interpretation result. The lithology P-wave...

In recent years, glass engraving products get the favor of consumers, demand of glass engraving products become higher and higher, the traditional glass engraving is mainly done manually, labor intensity is big, the work efficiency is low, in view of this situation, a kind of glass engraving machine...

Experimental assessment of the hygrothermal performance of an office building in Prague, which was recently provided by an additional contact thermal insulation system (TIS), is done in the paper, in order to evaluate the contribution of the applied TIS to the moderation of the interior climate. At the...

According to the connection feature of the gear and rack, an equivalent two-dimensional tandem and many freedom-degrees dynamic model of the structure system including the ship lift and the ship box was established based on the dynamic characteristics of three-dimensional finite element model. The results...

Air content in the concrete has an important effect on the performance. The relation of high-performance polycarboxylate superplasticizer with the air content of different grade concrete and the influence of air content in the concrete on the performance were studied. The relation of air content with...

Taking a L working face of open-pit to underground mining in Wuhai coal mine as an example, based on the numerical simulation software FLAC3D which made a detail analysis of deformation and mechanism of rock slope aimed at the two different mining schemes of from inside to outside and outgoing. The results...

Maximal frequent itemset is an important representation of frequent itemset. This paper focuses on how to achieve the maximal frequent itemsets over databases by sampling technique. We use a tree-based data synopsis to maintain the frequent itemsets, based on which, an efficient algorithm SMFI is proposed....

Different moisture content corns were stored by the self-made simulated silos. Heat and moisture transfer in different initial moisture content simulated silos were analyzed during the static storage. The experiment result indicated that the bottom grain layers were acutely affected by the external condition...

The Internet is becoming more and more dependent on digital images and video. As a new technology to protect the information security, Information hiding provides a new direction for the research. Information hiding technology has important value for research and application in Internet hidden communication...

The reliability of complex network is an important content in the research of complex networks. In order to evaluate the reliability of the complex network, the standard deviation of the degree values to characterize the heterogeneity of the network, considering the difference of the degree distribution,...

To solve the problem of lacking of systematic evaluation of the equipment's operational readiness that brings much difficulty to adapt to the requirements of the current transformation and construction equipment support, an evaluation model of operational readiness integrating entropy weight method and...

In this project, the mbed NXP LPC1768, the sensor TCRT 1010, and the LED Driver Max7219, LED screen and the PCB are used to show the pulse. The optical sensor can measure the pulse when a finger is put on it. The flowing blood in our fingers can reflect the light back to the sensor and different velocity...

Chloroplast ferredoxins (Fd) are small proteins containing an iron-sulfur cluster in photosynthetic organisms. Fd functions as transferring electrons from photosystem I (PSI) to NADP+ via ferredoxin: NADPH+ reductase (FNR). Fd is also the low-potential electron donor to many metabolic and regulatory...

This paper aims to find new improvements from the post office building that mostly occupies the old building that is classified as a cultural heritage building. Architecturally, the conservation of cultural heritage has been written in regulations and laws, but the question is how to conserve the activity...

The purpose of this study was to model the travel attraction in the education area of Gunung Pangilun, Padang City. Primary data was collected by random sampling including 17 variables over 200 questionnaire responses. Crosstabs technique and multiple linear regression analysis were used to understand...

Brem is one of the typical souvenirs of Madiun, made from fermented sticky rice essence and then molded into rectangular pieces. Based on the results of observations and interviews conducted by the team proposing this activity with partner SMEs groups, data was obtained that the problem that needed to...

Hyaluronic Acid is widely used in proprietary pharmaceutical products such as viscoelastic fluids in ophthalmic surgery, vitreous substitutes, and additional products in Visco for orthopedic disorders: osteoarthritis therapy and sports medicine. To produce HA can be through the growth of microorganisms...

Structured Query Language (SQL) is an industry standard for writing query. Writing SQL query is one of main competencies that must be possessed when learning database. Writing an SQL query could be challenging for novice students. SQLearn is a web-based application that give several cases study and questions....

Forecasting transformer loads in the electricity sector can help plan the development of power plants, transmission networks, and consumer distribution by predicting future actions that will be taken by energy providers. There are several ways to anticipate the proper and accurate use of artificial intelligence...

Vital signs in the human body are statistical measures that determine health status, including heart rate per minute (BPM) and body temperature. Those two parameters correlate with a symptom of exposure to covid-19. Vital signs on patients with unstable health conditions should be checked regularly to...

At the present stage, with the continuous deepening of urbanization of China, the urban population increases day by day. As a result, water demand and urban sewage discharge also grow. Nowadays, some factories in peri-urban areas violate laws to discharge wastewater, which greatly threatens our water...

In order to test and measure the dual-polarized, multi-channel antenna, a system was designed according to the actual working condition of the antenna. The hardware consists of the microwave network analyzer, three-dimensional turntable, switch matrix etc. The turntable is responsible for changing the...

The slope zone in M Block is promising zone of lithologic reservoir exploration, whereas the exploration result is low expectation duo to the insufficient knowledge of reservoir forming conditions and controlling factors. In order to solve exploration problem, by using log and oil testing data, the reservoir...

Due to the rapid development of our country, the computer network is becoming more and more rapidly, the security problem of our people on the computer is more and more attention, a series of software and various types of account are required to record on the user's personal information, all accounts...

Patents are the manifest output of nation’s market layout. This paper explores the development of five nanotechnology fields in Germany, including Nano- materials & process, nano- electronics & devices, nano- biology & medicine, nano- instrument & measurement and the others, through the analysis of nanotechnology...

Because of a large number of tower elements in transmission tower, and direction of cross section is complex, it is difficult to quickly set up a space model at the same direction with the actual transmission line tower structure. In this paper, using the method of vector orientation. Define tower element...

New Urbanism is a planning and design approach focused on human scale, diversity and conversation. Based on the introduction of New Urbanism and review Peter Calthorpe’s famous books, this paper presents the innovations of Peter Calthorpe’s New Urbanism covering from pedestrian pocket to transit-oriented...

From the system simulation perspective, the thesis is about testing the coming multi frequency multiplexing Terahertz radar system and take the 340GHz as the example to design and analyze the system. With the adoption of 21.6 GHz Bandwidth and the foundation of the Matlab/Simulink, the Frequency multiplication...

In order to solve the delayed fracture phenomenon of the wear resistant steel plate,the chamber electric furnace was used to carry out the tempering test;and the influence of tempering temperature and tempering time on the hardness, tensile strength and -20 impact energy of the wear resistant steel is...

Drilling and blasting has been a preferred method of rock excavation world-wide. Blasting inevitably causes damage to the peripheral rock mass, which culminates in the form of overbreak and damaged zone. Damage or overbreak not only endangers the safety of structure and cost escalation but also delayed...

Currently, numerous specific methods directed to the improvement of the building materials are developed. Many of such methods are intrinsically the implementations of the nanotechnology; the random reinforcement by nanoscale fibers is a well known way for the enhancement of operational properties. The...

The catastrophic/benign flutter boundary character evaluation and its control are carried out for 2-DOF lifting surfaces. Catastrophic/benign implies that the Limit Cycle Oscillation (LCO) is either unstable or stable. Within this work: (1) Quasi-Steady (QS) theory and Computational Fluid Dynamics (CFD)...

In bistatic acoustic scattering wave testing, there will be strong direct blast interference , An algorithm based on vector sensor adaptive signal processing that rejecting of direct blast interference in bistatic sonar has been studied, through computer simulation the effectiveness of this algorithm...

Due to the advantages of semiconductor laser such as small body, light weight, long life span, high efficiency, it has been used widely in the medical fields. This paper firstly introduces the function mechanism of semiconductor laser, and then analyzes the special applications in ophthalmology department,...

This article touches upon the issue of the importance of information technology in human resource management. The results of the implementation of a software solution for human resources management support are described. The criteria for choosing a software solution in the development of technical specifications...

“Symbiosis” is a universal phenomenon in the biological universe and it also prevails in the social system. Cooperative education is an important path of colleges and universities to cultivate applied talents and the key to break through close development of newly built universities, homogeneous inefficient...

Electric barrier, which is one of the most vital function in GPS auto monitor system demands, has being widely applied in many fields liking bike sharing. This paper presents an intelligent GPS auto monitor system and describes the design and implement of electric barrier on a Shared bike. By means of...

Vortex visualization in flow field plays an important role in scientific research and engineering practice. In recent years, many research achievements have been fulfilled, but there are still several crucial problems to solve. This paper summarized the methods of vortex extraction and visualization...

Hydroxyapatite (HA) has been widely used as bone graft in form of porous HA/scaffold. This research has a purpose to fabricate HA scaffold by using different biotemplates and determine which biotemplate will give well pore structure on produced HA scaffold. First, HA scaffold obtained used bamboo template....

This paper investigates storage stability (165-day period) of whole oat flour obtained by hydrothermal treatment and stored at 40 degrees Celsius in cloth bags and flour mixture containing 66.7 percent of whole oat flour obtained by hydrothermal treatment, 13.3 percent of fenugreek seed powder, 6 percent...

Dibenzothiophene and its derivatives are components of high-sulfur crude oil, and these sulfides would reduce the oil quality and increase sulfur dioxide emissions when burned, which will decline environmental quality. Compared with the traditional desulfurization method, biodesulfurization has many...

Weighing technology is closely connected with people's life. A wide-range low-cost high precision portable piezoelectric weighing sensor system were designed for the wide weighing scale range applications based on improved resistance strain gauges Wheatstone bridge. Sensing unit, processing circuit,...

The identification of stone inscriptions is of great significance to the study of Chinese characters and the exploration of ancient history. Characters are the symbol of civilization. The identification and analysis of the stone inscriptions can determine the age when they belong, and can help to study...

In order to facilitate the ship managers to manage and maintain the ship electric motor, this paper analyses the relevant factors of the ship electric motor failure, makes a quantitative analysis of the ship electric motor failure factors by using the analytic hierarchy process (AHP), obtains the proportion...

Control that is widely used today was control by voice commands. This study aimed to determine the application of voice and Arduino-based control automation which had been developed from 2014-2020 based on 25 journals that would be studied. Journal assessments were carried out by taking into account...

The research of warehouse management system based on RFID technology plays an important role in the information processing of logistics industry in China, and has a great impact on the accuracy of warehouse information storage management. In this paper, the related technology of warehouse management...

The functionalized graphene with epoxy was applied on carbon steel pipes ASTM A53 grade B. The corrosion properties of coated and uncoated carbon steels were evaluated using a three-electrode cell system in NaCl solution at room temperature. The findings suggest a shift of corrosion potential value,...

This study aims to analyze and synthesize the development of performance items to improve digital literacy instruments using classical Test Theory and Item Response Theory by looking at the fit model index results on digital literacy instruments of Electrical Engineering vocational students. Research...