Advances in Engineering Research

This study intends to use the National Health Insurance Research Database to collect "Cohort Dataset". NHI enrollees from 2013 to 2014 before random sampling for analysis in accordance with code 430 to 437 of the International Classification of Diseases, the 9th Revision. By constructing hierarchical...

With the popularization of WiFi infrastructure in the indoor space and the rapid development of mobile intelligent devices, it brings new vitality to indoor positioning applications. The indoor positioning method based on WiFi is affected by the interference of indoor environment and the heterogeneity...

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,...

This paper demonstrates that an arbitrary -qubit state can be faithfully and deterministically teleported from Alice to Bob via pairs of EPR channels. The analytical expression of the reconstruct criterion is derived explicitly in the most general case, with a strict proof through mathematical induction...

Rising CO2 is predicted to impact global warming, and the city is the most important carbon source. Based on the theory of unban carbon sink , we surveyed the the most important carbon source and sink inffect factor, and take them as the constraint conditions of urban ecological space by calculating...

By introducing degree of difference among classes, an improved mutual information feature selection method is proposed to effectively improve the accuracy of feature selection, accuracy and efficiency of classification. At the same time, relative frequency factor is applied to solve the tendency of traditional...

Combined with artificial neural network of good features, using the orthogonal experiment data obtained as the training sample of neural network we established a neural network model of the input for the process parameters, output for the springback amount, and the accuracy of the ANN model was verified...

Earth pressure is usually measured by the earth pressure cell. Calibration parameters from the manufacturer is often obtained conducting calibration in the gas or liquid systematically with a set of pressure, which can not be used in soil test directly. Therefore, in order to find out a well-matched...

Wind power is an important part of the new energy in the rapid development of the world. Wind turbine tower play a role for wind power and normal production safety. In this paper, using a power of 5MW horizontal axis wind turbine as a prototype, design a new steel concrete lattice wind turbine tower....

In this work, the realization of density reinitialization with Smoothed Particle Hydrodynamics (SPH) techniques is examined. A self-adaptive density reinitialization method is proposed. Instead of using fixed step intervals for reinitialization, this method obtains oscillation of density field by introducing...

According to GB/T 19963-2011, taking a mega kilowatt wind power base as an example, study the factors that impacts dynamic reactive power support of wind farms consist of DFIG (Doubly-Fed Induction Generator), such as different types of reactive power compensation devices, performance behavior of wind...

Earthquake early warning system is a new means to effectively reduce the earthquake disaster. There are many countries and territories in the world have developed a number of specific facilities, a single city or even larger areas of the earthquake early warning system, and some earthquake warning system...

Affected by environment elements ,the degeneration of mechanical property for Carbon Fiber reinforced Polymer Composites(CFRP) under marine environments is an important engineering problem, and the key segment on solving this problem is how to reappear the aging course of CFRP in marine environment truly...

At present, there are not enough research for the intact loess and remolded loess collapsible; There are tests for the some region loess, to study the law of collapsible.The results showed that: The curve of intact loess and remolded loess collapsible deformation is defined by two turning points and...

The problem of lower main steam temperature(MST) of a supercritical boiler designed for burning high moisture lignite is analyzed. By comparing to another structure-similar subcritical boiler, the effects of coal, furnace size, combustion mode and heating surface distribution are studied. The results...

Unordered tree mining has important research value in the field of XML data, bioinformatics, Web structure. In this paper, we propose a disorderly tree mining algorithms-UTMiner (Unordered Trees Miner). Because the tree has a disordered mining property, so in order to avoid digging out the same sub-tree,...

Zeolite, haydite, tire crumb, volcanic and vermiculite were selected as potential substrates of constructed wetland. This study investigates the adsorption of the mixed substrates for removing nutrients. A series of batch test experimentations was performed. The results indicate that there is an obvious...

Three kinds of optimization evaluation method of distributed combined cooling heating and power (CCHP) system are analyzed, including thermodynamic performance evaluation method, environmental characteristics evaluation method and economic evaluation method. The objective function is determined as the...

this document introduces the requirement of identity management in business and the enterprise product WSO2 Identity Server, as well as the key components: Inbound authentication, Authentication framework, Local authenticators, Federated authenticators, Provisioning framework and IdP and SP configurations....

Voice control has been a popular human machine interface in electrical equipments including the smart phone device. Voice control on smart phone still suffers from inconvenient operations due to the limitation of the extremely short distance between the human operator and the phone device. This paper...

Choosing cement and lime as inorganic binder, stabled chromium slag and then did the tests of the compaction, unconfined compressive strength and the stability for studying it as road base material, perfected the base material mixture ratio design and comparatively analyzed its mechanical properties...

A mutual information-based unsupervised feature extraction method of transformer surface vibration is proposed in the paper. Wavelet packet analysis is used to extract surface vibration signal frequency band-energy features of the transform in operation and complete its signal representation. Relevance...

The anaerobic effluent from cellulose acetate wastewater was used as experimental object, removal rates of organic phosphorus and CODCr are used as index, the influence of reaction time, Fe/C particles, original pH value and current density on removal rate were investigated by electro-Fenton. The results...

Trucks are one of the most important tools for port transportation. However, at present, many ports companies in China have a lower level of intelligence, even some port companies still use the on-site guidance methods of weighman to weigh. This kind of manual intervention has low efficiency, high error...

Tree obstacles are trees that may affect the safety and stability of power transmission lines. The paper introduces that the high-voltage transmission line is an important part of the power grid. In the construction and operation of the transmission line in China, it is often challenged by environmental...

Taking the rubbish in the campus of Shanghai Electric Power University as the test object, the single-factor and three-factor five-level orthogonal test design methods were adopted to conduct an experimental study on the cleaning performance of the road cleaner cleaning system and obtain the optimal...

The article considers the task of controlling a technological vibration machine, designed for the vibration interaction of a granular working medium with details attached to the working body of a vibration machine. The computational scheme of this kind of machine is a solid body on two springs with adjustable...

In this work holmium (Ho3+)-doped in silica glass was prepared by sol-gel technique which relies on the chemical reaction of liquid precursors to form the glass. TEOS: H2O:C2H5OH:HNO3 in the molar ratio 1:5.5:3.5:0.1 was used in the preparation with HoCl3.6H2O as the Ho3+ source. Porous silica gel was...

The erosion of heating surfaces due to chloride release from direct rice husk combustion was investigated. Relationships between chloride release from rice-husk combustion and different influence factors were studied, and chloride release models were established. A gas-state chloride absorption testing...

The geometrical structure of 5-amino-2-mercaptobenzimidazole (5A2MBI) was done and the corresponding structural parameters were calculated on the basis of the calculation by using B3LYP/6-311G (d, p) level, The FT-IR and Raman spectra of 5A2MBI were recorded in the solid phase, the results are compared...

The purpose of this research is to know the influence of service quality (tangible, reliability, respo nsiveness, assurance, and emphaty) partially or simultaneously to customer satisfaction level and to know more dominant influence from tangible, reliability, responsiveness, assurance, and empathy)...

Short texts' data sparsity makes them difficult to find out their document-level word co-occurrence patterns, that's why conventional topic models like LDA experience a large performance degradation over short texts. As a derivative product of learning neuro probabilistic language model, word embedding...

Architectural education curricula are inevitably facing the challenge to lead and stay relevant to the expanding territory in architecture, engineering, and construction industries. The design studio, as a capstone of this education system, now meets the rise of computational tools in every aspect of...

Research about hydrodynamic thrust bearing has been developed, the most concern is case about texture with several configuration. Numerical approaches using Reynolds equations and CFD simulation based on Navier-Stokes equations are a common method that used to analyze bearing performance. It is necessary...

Motorbike theft in various regions is increasing from year to year and results in financial losses for owners. This research aims to design and develop a SIM800L-based motorbike security system with location tracking features, motorbike control, and the use of voice commands. The research methods used...

Crossflow turbines are widely used in small-scale hydropower systems because of their relative flexibility in various heads and discharges, simple design, sturdy construction, and durability. Crossflow turbines work very fundamentally differently from Pelton and Francis turbines, where each crossflow...

With the soaring prices for fossil fuels such as oil and natural gas, renewable energies become hot energy resources to pursue to sustain the energy consumption demand worldwide. Among different types of renewable energies, solar energy is deemed as a promising energy resource due to the abundancies...

Grouted sleeves have become the most widely used connection method in prefabricated bridge substructures due to their reliable performance, broad applicability, and ease of installation. Consequently, the mechanical performance of grouted sleeves is critical to the safety of prefabricated bridge substructures....

Ginger is one of the most widely produced horticultural commodities from the spice and medicinal plant group compared to other commodities. Ginger can be used in the form of dry powder or the form of ginger essential oil. Ginger essential oil has properties: it is unstable and susceptible to oxidation...

Letter administration services in an institution are crucial activities that often require a significant amount of time due to the involvement of many stages and human resources. The rapid advancement of information technology increasingly facilitates human work. The existence of a web-based application...

Palembang is one of the cities in South Sumatra that has experienced rapid growth in the fields of education, industry, and tourism. There are several universities in Palembang, both public and private. One of the universities in Palembang is the State Polytechnic of Sriwijaya. The movement of student...

Public transportation in urban areas plays a crucial role as a key element in economic growth and in realizing an effective, efficient, safe, and comfortable urban transportation system. A good transportation system creates an orderly, sustainable, and environmentally friendly mobility system. In general,...

Cardiovascular diseases remain one of the primary contributors to global mortality rates. Insufficient early diagnostic tools and the limited availability of cardiology experts pose challenges to accurate arrhythmia identification, which may elevate the likelihood of severe complications and fatal outcomes....

Vertically aligned carbon nanotubes (VACNTs) grown on metal substrates are of great importance for their applications in thermal and electrical devices. However, synthesizing better quality and long CNTs on metal substrates is still a big challenge. We have synthesized vertically aligned multiwalled...

Situation in the transport market worldwide is currently characterized by high competition, fluctuating demand and shorter product life cycle. These factors are putting pressure on the managers of railway undertakings towards cost reduction, flexibility in services offer, efficiency of management and...

In this paper, it analyzes the characteristics of the changes of meteorological factors and short-term load. Besides, it studies the relationship between meteorological factors (temperature, humidity, rainfall) and short-term load forecasting, so as to select the important meteorological factors, after...

This paper designs a method based on the combination of zero crossing detection and peak detection algorithm. The main idea of this algorithm is to detect the uplink zero point, the downlink zero point and the peak of the acceleration waveform, and count user's step number by the dynamic threshold of...

Theories of Human Engineering (HE) are closely linked with design. It is also the guidance and evaluation of the process of design practice. Based on the characteristics of HE, this article aims to explore how to combine human engineering with design practice so as to stimulate students’ interests within...

Based on the current rapid popularization and development of electric vehicles, serious environmental pollution and energy shortage problem, this paper researches the impact of the distribution network with distributed generation when the electric vehicles joining in the optimal operation. First, establishes...

Chinese Mongolian osteopathy has been passed down from ancient times and includes unique practices and favorable efficacy. In this study, we investigate the characteristics of individualized Chinese Mongolian osteopathy, in order to provide new principle and methods for the treatment of bone fracture....

To adopt electric power communications network overhaul management system for electric power communications network management can increase the regularity of communication overhaul and the operation reliability of communication network. Based on that, this paper studies the electric power communications...

Travel time is an important measure of traffic travel service level, and is also an important travel index which can be directly perceived by the travelers. Good calculation application of travel time is an important support for road traffic management, traffic information service and route guidance,...

The selection and evaluation of urban management modernization indicators should be coordinated with the urban management system as a whole. Through the expert method to explore various influencing factors of modern city management, using the Delphi method divides these factors into city management modernization...

Based on the insulation structure in stator slot of typical generators, this paper presents an analytical illustration to the fault expansion cause of turn-to-turn insulation failure through the fault example. The equivalent circuit is built up for analyzing the solid insulation layer with defects such...

The roadway driving along the roof for large embedded depth often had irregular failure in inclined coal seam at one coalmine, in order to analyze the failure law of roadway, this paper adopted the method of elastic-plastic analysis and numerical simulation to study the stress, plastic zone and deformation...

High temperature aging method was used to accelerate the aging process of 12Cr1MoV steel which is mainly used as pressure vessel, steam pipes and so on. The evolution of the microstructure and mechanical property was systematically investigated during the process. It is revealed that during the aging...

In recent years, more opportunities is provided for Chinese electric power group to participate overseas power projects along with the application of public-private partnership(PPP), and how to evaluate asset structure became to be a crucial for the smooth implementation of these PPP power project. This...

The research beneficiated the concrete waste from two different sites to get the recycled concrete aggregates by the microwave-assisted mechanical beneficiation technology. Then, the author systematically studied the physical properties of recycled coarse aggregates and natural coarse aggregates from...

Plane steel gate is widely used in hydropower station. In this paper,by using the large-scale general software UGNX and ABAQUS, the ecological plugging gate model of a hydropower project and the model without hole for finite element is established. Considering the gate gravity, hydrostatic pressure,...

Polypyrrole-based electrodes were fabricated for energy storage applications using sisal fibers as a substrate material. It was found that the PPy nanoparticles deposited on the surface of sisal fiber cellulose (SFC) connected to form a continuous sheath by taking along the microcrystalline cellulose...

The importance of forest fire detecting was up to the destructive of forest fire, which can destroy resource safety and threaten human-living environment. The traditional forest fire monitoring and early warning methods are manly based on ground patrolling, watching tower, aerial patrolling, long-distance...

Banjarmasin has been declared as one of 10 (ten) Indonesia's heritage cities pilot project. Compared to other cities, the 102 rivers that flow along Banjarmasin form a unique character of the city. Since long time ago, the expansion of power, religion, culture, and trading related to these rivers. Therefore,...

Wind farm characteristics is the basis of the research on wind power grid operation and control. The main purpose of this paper is to establish a simplified structure, which is a high security, easy maintenance wind farm model. This model can calculate accurate response in the grid disturbance. The idea...

To enhance the durability of semi-rigid base asphalt pavement, it is suggested that the asphalt treated base (ATB) layer should have certain drainage capacity to eliminate the water inside the pavement, and the crack resistance of ATB mixture should be improved to prevent and/or delay the generation...

The influence of zeolite powder on humidity, autogenous shrinkage and mechanical properties inside the self-compacting concrete as the self-curing material are researched. The addition amount of zeolite powder is 0%, 2%, 4% and 8% respectively, the results show that self-compacting concrete with zeolite...

A magnetorheological brake driven by shape memory alloy is presented in this paper. The shape memory alloy spring is used to push the magnetorheological fluid into the working gap under thermal effect. Herschel-Bulkley model is used to describe the constitutive characteristics of magnetorheological fluids...

Natural diamond can be cut and grinded for manufacturing the super-hard tool in the field of ultra-precision machining. But the natural diamond cutting technology with high precision and high quality is still a challenge. The idea that laser cutting method combined with the other technologies provides...

The low-cost and long-life ceramic solar collector provides a new train of thought to solve the heating problem in Chinese rural areas. Through testing, the average daily useful heat gain of the ceramic solar system is 7.08 MJ/m2, and the average collecting efficiency is 41.63%.

Due to the limitations of computer architecture, any sensitive data is in clear text in the memory. If we enter sensitive data, such as a card password, into a computer, the data is also plaintext. It leaves the window for the adversary to steal your secret. How to protect your secret in the memory?...

Jami’ Mosque is one of the elements of catur tunggal within the spatial order of Malang City Square (Alun-alun Malang). The changes in one or all of the elements that form the square will also affect its spatial order. Therefore, the interrelations between elements forming the alun-alun need to be understood...

The process of waste to energy can solve the problem of waste and produce energy as a by-product. The waste can be used as a raw material in pelletization process which then used as a fuel in the thermal processing technology. In the pelletization process there are operational variables that influence...

The experimental electronically controlled plasma power system is presented, with an estimated heat output ranging from 8 to 50 kW, and an electrical output ranging from 5 to 35 kW. The installation is based on the physical principles of ion and plasma fluxes compaction with discrete changes in the control...

In recent times, vertical construction in Pakistan is increasing rapidly, and the assessment of the commercial viability of buildings and malls has become vital for developers. This allows them to mold their projects in a fashion that maximizes profit potential. For this purpose, a framework using the...

The research aims to optimize viscous damper-based seismic reinforcement for single-span reinforced concrete frame structures. In this case, the fast non-dominated sorting genetic algorithm II (NSGA-II) based on multi-objective optimization is adopted to improve the crossover operator and the mutation...

For the monitoring of highway network operation under the influence of large-scale emergencies, based on the historical traffic flow data, using time series and other models to predict the traffic flow that is not affected by large-scale emergencies, combined with the same spatial and temporal scales...

With the rapid development of science and technology and the continuous improvement of people’s demand for automation and intelligent life, intelligent mobile robot technology has become a key field of scientific and technological research, development and application. In the development of intelligent...

Radar systems are currently a popular area of research in today’s technological landscape. Previous researchers have utilized traditional target detection methods for radar signal processing. However, these conventional methods cannot efficiently process radar signals in complex environments. Therefore,...

This study systematically explores the large-scale development of modular buildings, focusing on their market potential, technical bottlenecks, and strategic pathways. Modular building, as an advanced form of construction industrialization, demonstrates significant advantages in reducing construction...

This study examines the application of natural filtration materials in clean water installations for the community of Labak Suren Village. The clean water source comes from a river, with water that tends to be turbid, especially during the rainy season. The main objective of this research is to improve...

The history and current status of smart home are described and the basic idea of intelligent control is intro-duced .And the application of embedded system in intelligent control system is also discussed. Using embed-ded system, various network information, multiplex automatic control function, as well...

In this paper, an object tracking system was introduced for video recording based Qt and OpenCV. The system can track any moving target in dynamic background. The tracking algorithm was designed based on TLD tracking algorithm and some refactoring was implemented. The architecture of the system is clear...

For optimizing the maintenance strategy of electric vehicle (EV) changers, it's necessary to have a comprehensive evaluation for it by using its monitoring data. From the battery, electrical machinery transmission and charge-discharge process, 26 characteristic quantities are chosen as EV changers operation...

The modified coaxial electrospinning, in which only organic solvents or their mixtures are utilized as sheath working fluids, is a useful way for manipulating nanofibers' diameters. In this study, with a co-dissolving solution consisting of poly( -caprolactone) (PCL) and poly(trimethylene carbonate)...

The State Council issued "Some opinions on further deepening the reform of the electric power system". China's electricity sales side reform has entered a new chapter. The operating mechanism of the electricity market is also different from the previous model. This paper introduces the cultivation mechanism...

Following the trend of currently intelligent technology development in relevant fields at home and abroad, we planned and designed targets of building intelligent hydroelectric plants and the system's overall architecture. Related ideas were put up with according to the need of real practice.

In this article, we showed possibility to use Impact-echo acoustic method to testing concrete degraded by high temperature. The results are compared with traditional parameter such as flexural bending strength. We observed longitudinal waves.

Recovery working face impact pressure force main source of coal in large hanging exposed overburden pressure compressed elastic energy and high-strength elastic bending deformation of the thickness of hard roof stored elastic energy. Mining-induced damage and breaking the roof itself and induce higher...

Economic growth cannot be separated from the energy which is an important material basis for economic development. Since the 20th century, with global population growth and economic expansion of the scale, Economic development has led to large amounts of energy consumption, increasingly acute contradictions...

For the problem of fault diagnosis of aircraft oil system, a new method using CLIPS to build expert system is presented in this paper. By building Knowledge Base, Infer Engine and using CB tool, the relevant software environment is set up. Consequently the fault diagnostic system of aircraft oil system...

An information architecture of state monitoring substation equipment system is proposed based on IEC 61850 and IEC 61970. A substation equipment state monitoring and integrating platform (CMIP) supporting the unified information model and unified communication interface is designed and implemented. In...

With dongba culture researches increasing year by year, there needs to be a highly efficient classification method to classify research achievements creating conditions for further study. Aiming at the shortcomings of the traditional mutual information method, giving full consideration to the factors...

Study on purification effect of different water eco-situ remediation technology on the reclamation area. The results showed that the optimal water quality purification effect was 3# test zone (ecological floating bed+ artificial aquatic mat) and 6# test zone (ecological floating bed + submerged plant),...

Zoeppritz equations can only describe the reflection and transmission of plane waves incident on a single interface. It cannot deal with the thin bed case. The presence of dirt band in thin coalbed makes the problem even more complicated. We present an AVO (amplitude variation with offset) analysis of...

The reasonable design of shear connectors is the key to ensure the integral forced performance of steel-concrete composite beam. This paper presents an experimental research on the capacity of angle shear connectors. Six push-out specimens with different height and thickness of angles were included in...

Asphalt overlay on existing cement pavement structure design and typical diseases (such as low temperature cracking and fatigue cracking temperature, temperature type of reflective crack) have a strong relationship with temperature; At the same time, vehicle load and temperature stress also produce different...

In this paper we point out the following two points. Firstly, the result of Madjid Eshaghi Gordji et.al [ Madjid Eshaghi Gordji, Maryam Ramezani1, Yeol Je Cho and Saeideh Pirbavafa, A generalization of Geraghty's theorem in partially ordered metric spaces and applications to ordinary differential equations,...

The polymer matrix composite material has higher structural efficiency at lower weights as compared to metallic structures, so that they are found in aircraft, space shuttle, automobile and many more industrial applications. In present work, the glass fibers were 15 %, 30 % and 40 % reinforced by weight...

In recent years, as a consequence of the rapidly increasing energy price and more and more stringent energy-saving and emission reduction policies, many effective measures have been taken by the majority of the coal-fired plants in China, including improving the power plant efficiency, reducing the unit...

Reinforced concrete plays an important role in urban transport infrastructure. The durability of concrete bridges has caused wide public concern in many places of world. All the reinforced concrete bridges in Shijiazhuang's urban area were carefully investigated. Five diseases were detected: leak of...

Based on the analysis of Hard- and Soft- Iron effects of magnetometer’s errors, a tilted ellipse model for two-dimensional plane was formulated. According to the analytic geometry theory, a magnetometer calibration algorithm was proposed to calibrate the tilted ellipse into a standard circle by translation,...