Advances in Engineering Research

In this paper, a capacitive load double-ridge waveguide evanescent mode low-pass filteris is presented. Combining electromagnetic simulation software to design ,the test results are: The filter return loss-0.6dB, out-band suppression 40dBc at 5.5GHz and 20dBc at 13GHz to 26 GHz, parasitic passband appears...

PLC technology and touch screen technology is combined together in order to design a marine boiler control system which realizes the remote visual control.Using PLC and EM235 module realizes analog signal control in order and make the control process stable and feasible. The automatic control module...

Internet finance is an organic combination of Internet and finance. At the same time, it also has serious information security risk, which brings great challenges to the development of Internet finance. It is imminent to build an information security system that meets the requirements of Internet finance....

In order to study the law of the destruction of stope collapse of unstable rock and ore filling body underground metal mine. Based on 3DEC discrete element program for the operating platform, taking a collapsed mine ore zone as the project background, and combined experiment of indoor physical mechanics,...

We report a simple and effective route to fabricate ultrathin curved In2S3 nanoflakes-functionalized natural cotton cellulose nanofibers by combining electrospinning and hydrothermal growth technique. Cotton cellulose nanofibers(CCNFs) were obtained by electrospinning technique. Curved and interconnected...

Besides the field acquisition of magnetotelluric is nearly 3D exploration level, the 3D data process and inversion have shortcomings. But our 3D inversion system has effectively resolved the problems of static shift and inversion efficiency. The system contains static shift correction, initial model...

In order to further study the process of flue gas desulfurization by citrate process, A numerical model for the removal of SO2 from packed absorption tower is established by using chemical process simulation software Aspen Plus, The influence of operation parameters on desulfurization efficiency was...

In this paper, a Connected Component-based Stroke Width Transform algorithm (CCSWT) is proposed, and it is combined with sparse representation and conditional random field (CRF) algorithm to locate texts in color images. Firstly, a color quantization algorithm is carried out to convert a color image...

The research paper is going to discuss about the development of the city gas supply system and the natural gas market in China and find out how does the development of city gas supply system and natural gas market can influence the environment of China. Nowadays, China is concerning the environmental...

Due to imperfect water entry, a high speed supercavitating vehicle, while moving in the forward direction, rotatesinside the cavity. This rotation leads to a series of impacts between the vehicle body and the cavity wall. The impacts affect the trajectory as well as the stability of motion of the vehicle....

The fatigue properties and S-N curves of the 3mm thickness SUS301L-MT and 5mm thickness SUS304 stainless steel sheet lap fillet welded joints made by plasma arc welding, plasma-MIG hybrid welding as well as resistance spot welding are investigated respectively based on the results of fatigue tests. The...

Since the 1990s,information based on image, video and audio frequency become popular trends during daily information exchange. Information identification about images and videos which based on the Optical Character Recognition(OCR)have become more and more popular in various enterprise. Compared with...

The aim of this work is to study the possibilities of structural-phase transformations of carbon-containing raw materials by mechanical activation and plastic deformation on dispersion strengthening and modification of aluminium composites. We studied the processes of structure formation of ligatures...

DAS (Drainage Basin) Air Dingin located in Koto Tangah Padang City. DAS Air Dingin come from some small river in upstream. Meeting from some small river reside in the area of Lubuk Minturun. DAS Air Dingin own the height until 1.800 m above water sea level and have the rain pattern which high relative....

The research of possible types of phase diagrams in liquid crystals with discotic mesogens and "graphene molecules" was carried out within the framework of the Landau theory of phase transitions. The possible types of ordering of mesogens in such systems are considered

With the transformation of power network in recent years, the metering function of electric energy meters plays an important role in electric power work. Due to the defects of the electric energy meter and the external uncertainties, measurement error is easy to cause when measured. In addition, a certain...

To make effective use of high-quality radial velocity measured by Doppler radar and improve the positioning accuracy of target trajectory, a combined positioning method with single Doppler radar and single optical theodolite is proposed which is based on target trajectory expressed by function, called...

Oil price is crucial to understanding economic fluctuations in Japan. In this paper, we decompose the time series of oil price in the period from January 1971 to December 2012 into a long-term tendency (also called trend) and short-term variation, which is expressed by an autoregressive model. The correspondence...

Ferris wheel structure with 36m diameter and 40 m tall is analyzed with Finite Element method by using ABAQUS software in different work conditions. The finite element analysis model of Ferris wheel supporting frame is established, and the force state of the ferrule supporting frame is analyzed. The...

At present, with the growth of private cars and autos ownership, the traffic flow has soared and become a burden for the development of Canton mega-city in China. The sky-rocket number of autos, especially those private ones, has made traffic congestion and car accidents a significant problem Although...

Patients with infection in the central nervous system can deteriorate rapidly, so an empirical approach needs to be performed promptly with relevant supporting data that can be produced as early as possible. Decision-making in such cases can use scoring systems such as Thwaites diagnostic score. However,...

Liquefaction is a phenomenon that occurred when soil loses its shear strength due to an earthquake. In general, liquefaction happens during a large magnitude earthquake on soil with loose to very loose sand consistency and high ground water level. Palangpang Bridge is in Ciwaru area, Sukabumi Regency,...

In order to study the technical issues of traffic safety early warning on roads with poor sight distance, we first collect the sounds of vehicles running on the road, select representative vehicle sounds as recognition objects, pre-emphasize the vehicle sound signals, add windows into frames, and calculate...

In order to monitor the scenic spot and transmit the collected data to the users, established the integrated sensing system based on the embedded Linux . Used the sensors to collect the different data and pictures and then they were transmitted by the wired and wireless mode. Set up the small Web server...

After defined the basic concept of mode or intrinsic mode, EMD as a data-driven adaptive decomposition method, its purpose is to decompose arbitrary non-stationary and nonlinear signal into different intrinsic mode functions (IMFs) on the time series. However, in some cases, the EMD method often cannot...

Long span suspension bridge has a long period of vibration, which is very sensitive to long period ground motion, so it is very important to analyze the seismic response under the long period ground motion. Taking a super long span suspension bridge as the research object, three-dimensional finite element...

Based on classical technology diffusion model, the diffusion model of low-carbon cities in Guizhou province is constructed, and the time path function of the technology diffusion of low carbon cities is deduced. the graphics is S-shaped curve. The results show that because of the differences of internal...

The construction of green mine represents the development and utilization level of mineral resources and the sustainable development potential. In view of the characteristics of the large index system and complex evaluation process of green mining, a kind of BP neural network algorithm based on quantum...

With the development of mobile internet, mobile banking have been gaining a meaningful development and success. A lot of consumers use mobile banking to deal with banking affairs. Because that improves their performances startling. Based on Technology Acceptance Model (TAM), the author collected a sample...

Soil moisture and nutrients are different under different water and fertilizer conditions, which will affect crop growth and yield. In this study, water consumption, growth index, yield under different treatments were measured and analyzed in order to investigate the effect of coupling of water and fertilizer...

As urbanization continues to accelerate the development, construction projects are gradually increasing, and geotechnical engineering technology is constantly attention. Because the technology is directly related to geotechnical engineering building high-speed rail, bridges, tunnels and other projects,...

Mn-Fe binary oxide adsorbents are prepared by co-precipitation method for removal of arsenic from contaminated drinking water. Arsenic adsorption ability is influenced by pH of reaction solution and Mn/Fe mole ratio. Adsorbent M/F4/6-12 with amorphous phase shows higher arsenic removal of 99.9 %. The...

In this paper, a theoretical algorithm using united Lagrangian-Eulerian method was presented to study the fluid-structure interaction (FSI) problems. This method was used to solve the large deformation of the elastic plate in a continuous cross-flow of ideal fluid. In this approach, material was described...

In this paper,the guaranteed cost control problem for uncertain discrete-time output probability density functions(PDFs) with both state and input delay is investigated .A novel linear matrix inquality (LMI)-based approach with model transformation is developed ,so that the closed-loop system is asyptotially...

In order to publish access capacity, warnings and loads in distribution network regularly, the article presents a method to evaluate access capacity based on marketing – distribution - dispatching information fusion system. After extracting the relevant data from marketing – distribution - dispatching...

Radar signals receiver is the important signals processor of a missile, it is important for the missile to transform and process the missile's signals. In order to assure the stability of the radar signals receiver, a kind of automatic test system for a missile radar signals receiver based on PC104 is...

The appeal information of patients is very important, and each piece of information is related to a living life. Calling system becomes a bridge between the doctor and the patient. Compared with the traditional wired calling equipment, the wireless transmission system design and implementation will save...

When the -Re_ transition model is used to calculate the aerodynamic performance of the wind turbine airfoils, the SIMPLE algorithm is usually applied to solve the equation of speed and pressure for airfoil surface. Consequently the precision of the results by using SIMPLE algorithm is comparatively low....

Taking township as basic unit, the discharge amount and rate of pollution contribution of TN, TP, NH3-N and COD have been researched with the export coefficient model and equal-standard pollution load method. The types of agricultural non-point sources include agricultural plant, rural life and scattered...

This paper presents a study on improvement of the finite element model of corrugated cardboards. There is one shortcoming in modeling the stiffness of such cardboards in literature: neglect of the material non-linear effect of cardboards and cannot predict the peak load. A finite element method was applied...

Learning will be effective, if learning activities can achieve goals, that is, students can absorb the learning material and practice it so that they obtain the best competencies and skills. Mathematics is one of the sciences that is able to hone skills and teach students to think critically. Mathematics...

Children with autism often face behavioral challenges, including tantrum behaviors caused by difficulties in communicating their needs or desires. Tantrums are excessive emotional reactions resulting from the inability to control and communicate feelings. Therefore, an Artificial Intelligence (AI)-based...

Renewing the public space of child-friendly communities is not only the foundation and premise of the construction of child-friendly communities, but also an opportunity to develop community systems and services for children, and an important measure to promote children’s development and the realization...

Against the backdrop of urban stock renewal and the continuous expansion of vocational education demands, the renovation and expansion of existing vocational colleges have become a new research direction. There are two key issues in the process of vocational college renovation and expansion that need...

Aerodynamic testing in wind tunnels requires accurate and reliable systems for measuring drag and lift forces. This study aims to design and develop an Arduino-based instrument capable of measuring aerodynamic forces in real time with high precision. The system utilizes load cells as the primary sensors...

Climatic comfort is a crucial concern in architecture globally, particularly as energy consumption for maintaining comfort presents significant environmental and sustainability challenges. This issue is especially pronounced in the rapidly expanding hospitality sector, where existing hotels impose a...

With the rapid development of social economy, Science and technology level are increasingly improving, especially accelerated pace of life, People demand for fireproof, anti-theft and anti-gas equipment is greatly increased, and for theft, fire and other accident monitoring and alarm system requirements...

The Ultra - High Performance Fibre Reinforced Concrete (UHPFRC) is a very promising modern cementitious material suitable for application in special structures. The knowledge of performance of this relatively new material is limited. This paper deals in more detail with impact of extreme conditions (it...

Streaming data processing has become a hot topic in the big data research. To ensure the timeliness of data processing, it is important to explore the performance-sensitive components in the streaming data processing platform, which can contribute to the more efficient performance optimization. In this...

In China, the initial allocation of carbon emission permits in different provinces is an important issue. It is not only related to whether China can achieve the carbon emission reduction targets, but also the establishment of a national total control and carbon emissions trading market. The cooperation...

In order to study the change principle of development biddingafter polymer flooding,the coefficient of drag and residual resistance factorare measured by flow test, and the reasonable injection rate is obtained by the injectability evaluation experiment.Oil displacement experiment is carried out in different...

Inductive sensing is a contactless, magnet-free sensing technology that can precisely measure the position, motion, or composition of a metal or conductive target as well as detect the compression, extension, or twist of a spring. Nowaday inductive measure method have limited in high power dissipation...

For DFIG-based variable speed wind turbines, the crowbar circuit is commonly used as protection method against sudden drop of the grid voltage caused by short circuit fault during the period of LVRT. And vector control for DFIG is presented in detail. Finally, the simulation results verify that crowbar...

The climatic pecularities of the Russian Federation territory that determine the duration of the heating season are considered. The number of operating heating sources of large, medium and low power is reflected. The equipment wear rate of the heating sources is defined. The emphasis is placed on the...

Rift valley fever(RVF) and peste des petits ruminants(PPR) are both highly contagious diseases of ruminants caused by RVF virus (RVFV) and PPR virus (PPRV), which are both the notifiable multiple species diseases in the OIE list. In order to establish a rapid method for detecting of RVF and PPR, two...

Aiming at the requirement of immediate analysis, correction and determination in the index weighting of large-scale construction project management, this study based on the integration of project theories and practices, built and developed index weighting system for large-scale construction project management...

Considering bending stiffness,an finite element model is proposed to overhead transmission based on Euler beam.In this model,the displacement of the unit beam is represented by assumed mode method,and derived the mass matrix and stiffness matrixof unit beam by using assumed mode method,secondly,deduced...

BC (Bacterial Cellulose) is fermented by the bacteria and other microbes from wood vinegar. This paper studies using the well dispersed bacterial cellulose fibers which is modified by polypropylene with plant fibers to make paper .According to the changes of the physical properties indicators of the...

Since twentieth Century, the real estate in Shenyang has achieved rapid growth, with the issue of commodity housing vacancy. Considering the difference between China's current algorithm and international algorithm, as well as the market under the non-equilibrium of supply and demand, the international...

Today, English has become the highest penetration rate of foreign languages in our country. Mastering and using English grammar is critical to learn English well. In order to improve the students' interest in learning English grammar and efficiency and the standard of English in a short time, in this...

A stock time series is composed of a sequence of prices measured from a continuous trade day. Stock motifs are approximately similar segments in a group of different stock time series or market dataset. In this paper, at first, a definition of short-term tendency is defined; secondly, a motif of short-term...

In this paper, the demand side management in the framework of smart grid is introduced., and analyzes the connotation of demand side management in Smart Grid. In addition, this paper focuses on the relationship between demand side management and demand response,analyzes the electricity saving benefits...

Cascading tripping accidents are main causes of complex cascading outages in power system. This paper proposes a method of predicting whether cascading tripping will occur according to the nodal injecting power. In order to give the theoretical foundation of this method, this paper verifies that the...

In recent years, along with the development of nanometer material and technology, it is raising the upsurge of researching the craft of electroless composite plating with nanometer particles in domestic and foreign. However the nanometer material because its big relative surface proportion, the increase...

Options of finding the removal distance of the vehicle from the scene of the pedestrian accident, which came at an arbitrary angle being arbitrary to the vehicle from behind passing obstacle, are considered. Changes in the estimated equations are made. Universal dependences of geometric and kinematic...

Investigate the expression of 5-HT1A receptor in CA1 area of hippocampus of posttraumatic stress disorder (PTSD) rats and to explore the function of 5-HT1A receptor in the cognitive behavior of PTSD rats. Methods:72 healthy adult SD rats were randomly divided into 4 groups: A (control group), B(model...

An Eulerian two fluid model (TFM) is coupled with the population balance method (PBM) for descriptions of gas-liquid flow in bubble columns with vertical internals. An improved bubble coalescence and breakup model is used in combination of the RNG k- turbulence model and the inter-phase interactions...

This paper proposed an inner-outer loop control strategy, which is derived on a simplified non-linear model for unmanned helicopter, to deal with the problem of control stability under disturbances. The outer loop controller, which is an improved PID controller, may adjust PID parameters dynamically...

Metal rubber is a kind of functional structure material, which has important application value in military equipment and civil machinery. The preparation process of metal rubber blanks plays a key role in the performance and structure of metal rubber and is the foundation of metal rubber research. In...

Elastic constants and homogenized properties of gypsum structure were investigated by first-principles method. The gypsum (chemical formula of CaSO4•2H2O) is an evaporite mineral and a kind of hydration product of anhydrite (chemical formula: CaSO4). Elastic constants are calculated based on Density...

This paper presents a comparison of the performance of two circular patch antennas. The antennas use a natural Taconic RF-60A with and without modification using laminating metal strips as the substrate, respectively. The first and the second antenna are referred to as a conventional patch antenna and...

COVID-19 is a contagious virus that has global pandemic. Indonesia has the highest infected cases of COVID-19 in South-East Asia. The aim of the research is classified provinces in Indonesia using Fuzzy Mean Cluster (FCM) based on positive cases, recovery cases, and death cases of COVID-19. The result...

The development of digital construction management is an important initiative to promote the digital transformation of the construction industry. But the attention to the regional difference in the development level of digital construction management in China from the industrial level is still relatively...

With the expansion of image processing application scenarios and the diversification of image processing demands across different fields, Field-Programmable Gate Array (FPGA)-based hardware acceleration technology has become an effective solution to overcome the limitations of traditional software implementations....

Combined with the development of national and industrial standards on environmental pollution control, the paper puts an emphasis on building a scientific and reasonable standard system of third-party governance on environmental pollution based on the system theory and methodology of systems engineering....

Power cable temperature monitoring system is based on the cable installation, cable surface temperature and load current and cable thermal characteristics of the environment, the use of real-time calculation program to calculate the operating temperature of the conductor to ensure that the power cable...

The traditional Computer wargaming system just considers a few types of simple landform, and maneuverable rules are also simple. Based on that, the maneuver trajectory planning results can be usable for games. But the results may be quite different from real combat, which causes simulation results be...

This paper proposes the compressed method of Orthogonal Matching Pursuit to retrieve cerebral vascular image of spectral-domain optical coherence tomography (SD OCT). Discrete wavelet transform is used to sparse the signal. Original cerebral vascular image of spectral-domain optical coherence tomography...

In this paper, we present a port supply chain network model with multiple tiers of decision makers, consisting, respectively, of suppliers, port agents and demanding market. First, we study the suppliers’ multicriteria decision-making and market’s demanding under uncertainty. And then we establish equilibrium...

Article briefly describes the application of CFD simulation technique and experimental validation in the development, improvement and optimization of flotation machine, meanwhile the paper designs an injector used for compound flotation machine according to working principle. The conical injector with...

In order to study the transition of material properties under the environment of high temperature and vacuum, a micro vacuum heating observation equipment was designed. The vacuum system can create the vacuum environment. And the heating system can create the high temperature environment. This equipment...

Horizontal-to-vertical spectral ratio (HVSR) analysis and inversion were applied to S-waves from a large database of broadband seismic and strong-motion recordings. The S-wave HVSR, in comparison with ambient noise spectral ratio, contains much information on the shear-wave velocity structure. In other...

SMA490BW steel is the main materials of making bogie, which is the key compoment of the high-speed train, and the quality of welding joint directly affects the safety of railway vehicles. In this paper SMA490BW steel jonits were welded by single wire welding and double wire welding methods. The temperature...

The coal mine safety production is the difficulty and key study of coal producing countries, and the ventilation, gas, fire and dust accidents are the priority among priorities of safety production in coal mine. This paper established a set of coal mine accident early warning system which based on the...

In this paper, the graphene is prepared by chemical oxidation and chemical reduction, the finished grapheme is modified on the surface of heated glassy carbon electrode through drop casting, the graphene modified heated glassy carbon electrode(GR/HGCE) is then prepared, the characteristics of graphene...

In this paper, problems in coal handling system and practice of Chengjiao coal preparation plant is tested and analyzed in detail, and I have put forward solutions for problems in coal handling system. The best production program of Chengjiao coal preparation plant was chose through program comparing....

The tunnel structure life-cycle includes construction period, service period and aging period. Something dangerous maybe happened in the event of stress balance weight distribution of tunnel structure changed and the continuous development of shotcrete and bolt strength during construction. During service...

Drilling and blasting is still the most prolific way to extract minerals and associated waste from the earth, more so in case of hard rocks with uniaxial compressive strength greater than 50 MPa. Considering the growing demand for these minerals reducing ground vibrations, air vibrations, fly rocks,...

Carbon fiber tow is used in aerospace, automotive, marine, sports etc. applications with over 20 years' service history due to outstanding processing characteristics. This research work deals with carbon fiber tow mechanical properties improvement by conducting a new device, i.e. fiber splicing equipment...

In order to reconstruct a surface by using the data from RGB-D sensor, this paper presents a viewpoint based method for estimating the orientation of point clouds. Firstly, a PCA method is used to compute the normal vector of each point. In this process, the orientation of the normal is determined by...

In recognizing traditional crops seeds like maize seeds, we usually use electrophoresis assay method, fluorescence scanning method and chemical assay method. These methods are destructive methods. They take a long time to detect and are demanding of professional background knowledge and hardware conditions...

Aiming at the low success rate of gun firing with gas gun in the airport, the launch characteristics of gas-gas ejector were studied based on Fluent software to improve the ejection performance. Through the multivariate statistical analysis model, the single-value influence curve of each structural parameter...

The software FLUENT was used to analysis the thermal balance of composites reinforced by different shape buckypaper during the heating process. The research shows that the electrothermal energy is mainly used to increase the temperature of the insulator and the heating plate itself at the initial stage...

Considering the problem of the movement accuracy of the three-bar composite planar linkage mechanism considering the hinge clearance, this paper applies the “hybrid zero displacement method” combined with the continuous contact model and the matrix method to analyze the motion error of the composite...

This research is aimed to establish stress intensity in pregnant cows and compare it with metabolism load in heifers. This issue has been important due to significant intensification of dairy production in recent decades. The organism of a dairy cow is under a constant load, especially in heavy-yielding...

Cleaning robot is widely applied in modern society. This paper introduces the development of cleaning robot and its utilization characteristics and requirements, and briefly analyzes the design and simulation of cleaning robot controller from various aspects.

The topicality of research is determined by the progress trend in the development of the gearing technology consisting in the upgrading of power transmissions based on the multi-threaded power and kinematic principles of the rotation transmission. Maximum efficiency is characteristic of the harmonic...

For improving the low flowability, promoting the separation between high Ti-bearing blast furnace slag and hot metal, and replacing CaF2 which would pollute the environment, the influence of B2O3 and CaF2 on apparent viscosity were investigated from 1340°C to 1475°C by SEM, viscometer, et al. The results...

a DC~ 20GHz monolithic SPDT broadband switch is presented in this paper. This switch has been realized by 0.15um GaAs process.it exhibits high performance: over DC~ 20GHz, Insertion loss is less than 2.0dB; The input 1dB compression point is more than 22dBm; input return loss is lower than -15dB; output...

This article demonstrates a method to make classification and dosing control for oil wells. To find the main factors that caused the corrosion and scaling in oil wells, water quality data of one oil production plant were made principal component analysis. Then the oil wells were divided into four types...