Advances in Engineering Research

In order to transmit the parameters of Measurement While Drilling (MWD) to the ground rapidly and effectively , a high speed continuous wave mud pulser has been developed.In this paper,the author introduces the overall scheme of the control system,including the position servo control of the Permanent...

A wireless data acquisition system will continue to carry out data collection, which will face the problem of data redundancy. Therefore, how to manage the database is particularly important. This paper mainly studies and designs the database synchronization module of the wireless data acquisition system....

Abstract: In this paper, a single-stage rotary inverted pendulum system is set up by using rotary encoder, servo motor and some mechanical structures. Lagrange equation is used to build up the mathematic model of single-stage rotary inverted pendulum. Linear quadratic regulator (LQR) and fuzzy control...

Factors that generate power supply voltage and current distribution in traction networks are considered. Determination methods of the current distribution in the substation area for double power supply sections of a traction network for transport route are provided. A calculation method of currents in...

Methods used for the determination of barium content in pyrotechnics are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the barium with high content, the sample solution...

Herein there is a new approach to improve industrial safety in terms of operation of the steel winding tower based on rational design solutions.

This paper studies small eccentric compression test of eight waste fiber recycled concrete columns with recycled coarse aggregate replacement ratio, waste fiber length, and waste fiber incorporation as parameters. The test is carried out on the failure mode and ductility of the waste fiber recycled concrete...

In view of the current intelligence lives in complex structure, such as the high cost of weakness, use of switch power supply and single chip design a wireless intelligent household system. It will control instructions through wireless remote control by way of the wireless controller sent to the module,...

Based on preliminary studies to optimize the ultrasonic extraction of polysaccharides Coix chinensis Tod. conditions using orthogonal test method, the test results showed that: In order to obtain a higher extraction rate, optimization of process parameters for each factor A3B3C2D1, namely ultrasonic...

Firstly, we divide the energy consumption (EC) and carbon emission (CE) of Jiangxi’s tourism industry into three groups and account them respectively. Then, we analyze the drivers of the total CE (Tc) by using the Arithmetic Mean Decomposition Index (AMDI) method based on the Kaya identity. Results show...

The characteristics of main low nitrogen combustion technologies are to be introduced. By analysis of unit’s typical outfire accident after low nitrogen combustion transformation, proposed some targeted solutions to optimize operation of the thermal power unit, such as adjustment of the air distribution,...

In wireless communication systems, the laser optics wireless communication systems becomes more and more popular, such as the visual light communication (VLC) system. In this paper, we have analyzed the capacity of MIMO VLC communication system using Shannon Capacity in general, and provide necessary...

One of the most promising trends in modern physics is the high-temperature superconductivity. Analysis of high-temperature superconductors revealed that almost all of them are complex copper-based oxides. Studies have shown the possibility of using them for the synthesis of coaxial magneto accelerator....

The singularity of a new 3-DOF parallel mechanism was analyzed. The position equation of the mechanism was gotten by the inverse kinematics solution. The velocity equation of the machine was gotten by the derivation of the position equation, and then got the Jacobian matrix, and the singularity conditions...

This paper according to the small UAV structure characteristics, the taxiing control structure and control law design are studied and proposed front wheel and rudder deviation control scheme and control structure, analysis, including the front landing gear, pavement condition, brake system, wind and...

To explore the variation of hot mix plant recycling mixture design parameters and quality under the influence of RAP performance, represent index and factor level of RAP performance were determined, the variation of mix proportion design parameters was comprehensively analysised under different indexes...

Comparison of the influence of amino trimethylene phosphonic acid (ATMP) and sodium gluconate (SG) on the performance of concrete are investigated in this paper. The comparison of the effects of ATMP and SG on concrete setting time at 20°C or 35°C, concrete slump loss, concrete compressive strength and...

Sichuan Basin come into rainy season entirely in the early July, 2013, Dujiangyan city of Wenchuan strong earthquake district encountered a hundred-year rainstorm process, which raised numerous Secondary Mountain hazards as collapse, landslide and debris flow etc. Generally, high frequency of debris...

In recent years, the discharge amount of all kinds of sewage is increasingly increased, and therefore the handling problem of sewage sludge, an inevitable product of sewage treatment, has drawn more and more attention. As a new type of sludge treatment technology, the production technology of bio-oil...

The torque monitoring of high-speed rotary shaft is often unsuccessful because of sensor installation, reliability, accuracy and other practical issues, so high-speed rotary shaft torque monitoring has become an urgent need. The brushless torque sensor is developed based on strain measurement, which...

The conductor material properties such as resistivity and relative permeability have great influence on impulse grounding resistance of grounding grids in regular dimensions. The intensity of the influence is also different under different soil conditions. By building a 1:1 grounding model and using...

The present paper takes some machine frames as the object of study, three dimensional model is based on the CATIA software, the model and the hypothesized assembly are carried by the CATIA software. It is firstly introduced the aviation manufacture project development by proposed new request, the CATIA...

In order to improve the quality of graduation thesis, many colleges and universities carried out reforms on the thesis work according to their own actual situation. Through data mining method, this paper explores the main factors affecting the result of graduation thesis, and then classifies and predicts...

A scale-invariant shape feature is proposed. The shape feature is extracted on gray voxel models by a SIFT-like algorithm to describe the local shape information of 3D models. Shape feature vectors are constructed by a BoF method. A distance function that supports the part-in-whole matching is employed...

This paper reports an application of Numerical Weather Prediction (NWP) in the heat load forecasting field. The NWP is applied to obtain the correlated weather parameters of the heat load, and then the properly structured Artificial Neural Network (ANN) model is designed to perform the prediction. Satisfactory...

In order to analyze influence of subgrade defects on the dynamic characteristics of ballastless track subgrade, a three-dimensional finite element model of the CRTSâ…¡ ballastless slab track subgrade was establisbed, vertical vibrational displacement and acceleration of sugrade were calculated in consideration...

This paper designs a set of PLC technology, network information technology, configuration technology in the integrated monitoring and management system, which has the advantages of unified management, reasonable open source, optimizing the configuration and overall saving. In the process of water treatment,...

With H2O2 as oxidant, phosphotungstic acid (PTA) was used as heterogeneous oxidation desulfurization catalyst via immobilizing on porous MIL-101. By combining the catalytic activity of PTA with the adsorption property of supporter MIL-101, 91.2% of dibenzothiophene (DBT) in model fuel has been removed....

The study aims to explore sustainable and renewable energy application via a case study from green buildings to green sustainability. Therefore, first of all, the study reviews definitions of sustainable energy, renewable energy technologies, energy efficiency, smart-grid technology, green energy and...

Construction of hydro power projects in the Himalayan region poses various problems which can have direct implication on the cost and time schedule of the projects. Varying geological conditions necessitate use of modern methodologies for ensuring stability and overall time bound completion of the project...

We study automatic target recognition (ATR) in infrared (IR) imagery by applying two recent computer vision techniques, Hierarchical description of contour and Bag-of-Words (BoW). We propose the idea of contour segment (CS) features which are extracted from the outer contour of IR target image and we...

With the growing popularity of soldier information equipment, the requirement for electric power supporting individual soldier combat increases. Now available power sources such as alkaline battery and lithium battery may not meet the demands any longer, and the contradiction between supply and demand...

Superplasticity is the ability of polycrystalline materials to deform plastically to exhibit very large strains. Using this property in manufacturing process makes many of aerospace components lighter and stiffer, with efficient energy and cost saving. Since in most sheet metal forming operation biaxial...

Microbial fuel cell (MFC) coupled with constructed wetland (CW) is an innovative technology for wastewater treatment. Based on the current studies, the article reviewed the configuration and evaluation indicators of CW-MFC, and discussed the influence factors of MFC-CW performance, including pH, electron...

This template explains and demonstrates how to prepare your camera-ready manuscript for publisher. The best is to read these instructions and follow the outline of this text. Please make the page settings of your word processor to A4 format (21 x 29,7 cm or 8 x 11 inches); with the margins: bottom 1.5...

Matrix is a mathematical object, commonly used in scientific computing and engineering calculation. We are not interested in data itself in the data structure, but interested in how to store the elements in the matrix, and make the various operations can run effectively. The main purpose of the compressed...

Urban area is always gathering huge population and different kinds of activities. Once there is any disaster, it would be very possible to have unrecoverable damage. For the post-earthquake fire in constructions, it would caucus damage not only in civilians' lives but also property. Therefore, it becomes...

WirelessHART is an international wireless communication standard proposed by HART Communication Foundation. As a crucial technique for wireless networks, time synchronization plays an important role especially in WirelessHART networks. For constant and reliable communication, it is necessary to provide...

Based on the increasing attention of the effect on oxygenated treatment to oxide growth and exfoliation in supercritical units superheater tubes, this article introduced the mechanism of oxygen oxidation at first, and then the domestic and foreign related research in the effect on oxygenated treatment...

A new type of  WPVC(Wind PhotoVoltaic Complementary) power generation system is researched & developed, the system performance-cost ratio is high, the"D/D/D"(Direct-current/Direct-current/Duty-ratio)-"D/D/ D"(Direct-current /Direct-current/ Duty-ratio) MPPT (Maximm Power Poin Tracking) intelligent control...

The essence of the construction of smart grid demonstration project is an integration process of various types of technology, system and device. With the integration of various kinds of adjustable resources including distributed power supply, reactive power compensation devices, and energy storage devices...

This study is based on the application of temperature in seepage experiment. The output temperature is compared with the actual temperature to fit the curve of the relationship through the measured data of the 107 groups. The error correction model is established to achieve accurate measurement of sensor....

Zinc nitrate hexahydrate, ethylene glycol, thiourea and triethanolamine were purchased to be starting materials. Nano zinc sulfide solution has been successfully prepared by Chemical bath deposition method, and then the prepared zinc sulfide modified polyhydroxybutyrate valerate (PHBV) to form the thin...

Because of some pixels of foreground image which is binarized by fixed threshold, the Gaussian mixture model can not get accurate result. So we introduce OTSU to look for the threshold which satisfy maximum-between-clusters-variance,and it will get best divisional effect.It achieve adaptive threshold...

According to the structural characteristics of the bottle cap, this paper analyzes the structure and the key technology of the die design Respectively, using Moldwizard module and Pro/E mold design facial cleanser injection molding mold design, local mosaic of concave die design is proposed.

Municipal wastewater reclamation and reuse has been an effective way to solve problems of shrinkage and drying up of rivers and lakes. The residual pollutants in recycled water may pose a risk to groundwater. A field study on the spatial and temporal variations concentrations of nitrate, ammonia and...

Building designs that are being prioritized today are sustainable architecture and green architecture. The designs can reduce the energy consumption that has a positive impact on climate. Actually, the design of such buildings has started since the Dutch colonial era. Buildings from that era are very...

Ergonomics is usable in work with the human function of balancing the body dimension with a talking device or machine. Its efforts and others are used for exhausting, regulating temperature, light, and humidity to suit the needs of the human body. The design of the seats on the combine harverter machine...

Tuned mass damperis designed on transmission towers to reduce vibration. Two new frequencies appear nearby the original natural frequency if the tuned mass damperis installed. The impulse response signal containing double frequencies is complex. It is difficult to identify signal characteristics parameters....

The article contains a retrospective of the development of extraction of mineral resources in the mountain ecosystem of the Eastern Caucasus; the stages of environmental tension growth in various components of the biosphere of the region are also shown. It has been proved that in the areas of dislocation...

The development and protection of electronic and electrical industries are essential parts to America’s national strategy. Using data from UNCOMTRADE database, This paper analyzed trade patterns in electronic and electrical products (HT1 category in Rev.2 classification) in the US from 2008 to 2017....

The seagrass ecosystem of Ketawai Island has the potential as a shelter, feeding, spawning ground from various aquatic organisms and it has an important role for the coastal and marine environment. The utilization of coastal and Ketawai island as a tourist area becomes a threat to the growth of seagrass...

This paper presented an extensive analysis of dynamic change of power flow between distributed generators and loads in the situation of low grid voltage. And, a control strategy with energy storage to balance the power flow was proposed. First, the constant power control strategy of the distributed generators...

The energy innovation has brought about an exponential increase of population each time, meanwhile, population growth brings greater energy demand. Hence how to maintain a balanced relation between energy production-consumption and population is of great importance. This paper highlights the relations...

Columns in frame-tube structures may be damaged easily because of the torsional response, therefore, torsional displacement ratio was defined by national codes for spectrum analysis under frequent earthquake. For analysis of time-history under expected rare earthquakes, different from displacement angle,...

A novel environmental-friendly Cu-Sn high temperature solder paste was fabricated by mixing Cu powder, Sn powder and commercial purchased flux. Different type and content of the flux may significantly affect the thermal properties of the solder paste. The bonding layer was composed of compact Cu3Sn and...

Development momentum in recent years, the Internet of things technology, has become the important strategic development direction of information emerging industry in China. All walks of life increasingly widespread use of Internet of things technology, the Internet of things development prospect is bright....

A statistical procedure of the lifetime prediction for a certain missile is established by the reliability analysis using the field data. First, the reliability at given time point is estimated by the Kaplan-Meier method according to samples undergoing long time storage. Second, the lifetime distribution...

In this work, we report a method for the fabrication of nitrocellulose (NC) membrane with photonic crystal (PC) pattern for bio-detection. The membrane is prepared by imprinting the corresponding PC pattern into it through thermal Nano-imprint method. Aptamer beacon marked with fluorescein is used for...

Indentation-flattening compound deformation technology (IFCDT) is defined, and the characteristics and stress-strain state of IFCDT are analyzed. The mechanism of grain refinement and texture weakened of AZ31 magnesium alloy sheet which deformed by IFCDT is analyzed. The influence law of parameters of...

In the traditional mechanical equipment, the motor is generally equipped with sensors for measuring the speed and position information of the motor. However, installation of sensors increases the structure burden. In this paper, a sensorless method is proposed for measurement of rotor speed and position....

This paper designs and implements the hardware circuit of the self-balanced motorcycle with the MK60DN512ZVLQ10 as the control core, and has the capabilities of attitude acquisition, data processing, response and man-machine interface. First building a self-balancing motorcycle overall framework, each...

Reclaimed Asphalt Pavement (RAP) is a paving stripping material with Cold Milling Machine. The RAP accumulation in East Java Province is estimated 50,000 m3 per-year. The RAP usage can decrease RAP accumulation, natural material, damage rate by mining or excavation. RAP mixture produced an optimum performances...

Tire production Indonesia has been increased by numbers from year to year along with a great amount causes the availability of abundant rubber tire waste, this waste has not been widely used and has unravel able properties leading into environmental pollution. In this research, we developed an environmentally...

Transport demand (a set of data about trips and passengers mobility patterns in the network) is a golden key for solving a wide range of issues of transportation and town planning problems. These are development of the road network, development and optimization of public transport routes, etc. To determine...

In Indonesia, ethylene vinyl acetate polymer type of sponge waste increases in number. The increase was due to the increase of the shoe factory which was the main consumer of this type of sponge. Conversion of this type of waste is done as an alternative fuel oil through pyrolysis process. The purpose...

Learning Al Islam and Kemuhammadiyahan (AIK) is one of the compulsory learning in all levels of Muhammadiyah education which has the general goal of forming human learners who are pious, noble, advanced and superior in science and technology as the embodiment of tajdid amar makruf nahi mungkar. In order...

Aceh tsunami disaster in 2004 caused damage to agricultural land in Aceh Besar Regency. Meanwhile the post-disaster development has caused migration of people to the regency, causing a greater pressure on agricultural land. The study aimed to evaluate the land carrying capacity in tsunami-affected areas...

Based on long-term stationary and field experiments (1977-2017), the optimal parameters of soil fertility (gray forest, dark gray forest, leached chernozem) were established. The highest economically and ecologically justified productivity of agrocenoses is obtained when the density of addition for cereals...

The article presents the results of a study on the content of arsenic, lead, cadmium and mercury in water, soil and in plant products that are directly used by humans for nutrition. During four years of observation, water analysis demonstrates high arsenic concentrations. The arsenic content ranges from...

The development of optical microscopes led to the discovery of cells as the fundamental units of life. It made us aware that microbes dominate the living world. However, optical microscopes have limitation as to the size of cell and cell organelles they can focus. This size limit is referred to as the...

In this paper, the implicit finite difference method is developed for the fractional wave equation with Dirichlet and fractional boundary conditions. The consistency and stability of the method are strictly provedbytheGerschgorintheoremandmathematicalinduction. Numericalexamplesshowtheaccuracy and efficiency...

In the article, the experience of low-power uranium ore bodies working off is considered. The practical experience of low-power ore bodies working off with the use of load-haul-dumpers (LHD) of the middle class of PD-2E type or Toro150 at the mines of PJSC PPGHO is accumulated.

Research conducted in the oil field development facilitate formation of a system of fundamental knowledge that allows future specialist to scientifically analyze problems in their professional field, apply in practice the knowledge, independently (with modern research methods) master the new information...

Based on the transfer rock beam theory and the mining overburden movement theory, the height prediction methods of collapse zone and fracture zone under different lithologic conditions are deduced according to the characteristics of rock mass dilatation and rock strata combined motion. Furthermore, the...

Based on the three-dimensional physical model of shell and tube heat exchanger, by means of computational fluid dynamics (CFD) software, the RANS k-Epsilon turbulent model and the Mixture model were adopted to simulate the flow properties and heat transfer in the shell side. And the reliability of the...

In this paper, the failure mechanism and modification research of damage performance of recycled aggregate concrete were summarized systematically. The general failure rules of recycled aggregate concrete were summarized according to the failure mode and fracture characteristics of recycled aggregate...

High-speed separation, enrichment, digestion, as well as high-throughput analysis of biomolecules are very important in analytical and bioanalytical chemistry, biosciences, etc. for thesepurposes, currently a single piece of porous material so-called "monolith", Has been rapidly developed for Several...

The purpose of the study was to evaluate an independent learning measurement model based on connectivism theory and Web 2.0 learning tool. The quantitative method was utilised in this study. The data were collected using connectivism and Web 2.0 learning tool instruments among students of Two Year Programme...

This paper proposes a new method for data transmission using the Named Data Network (NDN) architecture, and introduces the new NDN network into online education innovatively. Based on the information center network (ICN), the special advantages of the NDN network are utilized to improve the real-time...

Aiming at the problem of low detection rate and high false positive rate of intrusion detection system, a cloud model semi-supervised clustering dynamic weighting intrusion detection method is put forward. As the attribute contributes to the classification difference, the cloud was near relative degree....

Farmers are the main participants involved in livestock and poultry breeding pollution control, whether they are willing to control the breeding pollution by the mutual influence of many factors. Based on the field survey data of 447 households in Hunan Province, the Logistic regression model and the...

The linear parameter varying (LPV) system model of the lateral-directional dynamics for large envelope flight of modular aircraft including various configurations was built. The validity of the aircraft LPV model was verified by the comparison of dynamic simulation between the LPV model and the nonlinear...

With the increasing water depth, semi-submersible platform mooring system weight has increased rapidly. Because the coupling of the platform and mooring system will directly affect the safety of platform location, the mooring system must use the design of multi-component mooring line. The paper introduces...

This paper introduces a matching network composed of lumped elements and transmission lines, which is more accurate and compact compared to the traditional one. Meanwhile, the added microstrip lines is used for bonding pads and connection lines on printed circuit board (PCB), and the dimensions of these...

City tourism contains plentiful data information, but not all the information is interested by tourists. Relying on tourists' interests, this paper designs and develops city tourism interest geographic information data collection system. Take Zhengzhou urban sight spots as an example to collection data...

Owing to the safety consideration and improvement of lipase productivity, the genes of lipase and its cognate foldase from Pseudomonas aeruginosa CS-2 was co expressed in E.coli BL2 (DE3) and the optimization of expression condition was investigated in the paper. The recombinant strain entered the stationary...

This paper describes the design of the medical intern students' file program, which utilizes the universal application of Android mobile clients to solve the hard problems from the collection of the students' files after they enter the internship places, mainly including the three aspects: the program...

Transformer no-load closing may result in various types of over-voltage, which may affect the stability of power system. To analyze this problem, a 500kV transformer no-load closing model in Bailianhe Pumped Storage Power Station is built by EMTP/ATP, the closing over-voltage on primary equipment is...

Computational electromagnetic has been more and more mature after development for dozens of years. Domestic and foreign scholars have proposed many methods especially when it is used for solving 3D complex target numerical value questions. Traditional methods include moment method, finite element method,...

In the algorithm of extracting end points of insulator strings by image technology, we propose a method to find the Minimum Enclosing Rectangle (MER)of the target by using the the principal axis method based on the combination of the vertex chain code and the discrete Green theorem.Then the binary image...

On the basis of single factor experiment, orthogonal test method for 2-α hydroxy for optimizing the extraction technology of ursolic acid, choose L9 (34) orthogonal experiment was carried out to 2-α hydroxy yield of ursolic acid as index, at room temperature (25 øC) under ultra-high pressure, holding...

In this paper, the resonance of open ring frequency selective surface arrays is studied in particular. The new resonant cells are greatly reduced in dimensions and very compact in structures, so it is possible to realize the lower frequency selective surface. Simulation and measurement are basically...

The extended equal area criterion (EEAC) is one of the most important methods to identification the stability of Multi-generator Power System, and the key of this method is to correctly identify the critical unit. However, critical units of the existing recognition methods exist some problems, such as...

For determining the reasonable ratio of spacing to diameter of double tunnels, the criterion is often only for the excavation, and does not take into account the earthquake situation. In order to ensure the stability of surrounding rock masses, safety and economic rationality during construction and...

Methods used for the determination of copper content in copper oxide are mostly based on traditional chemical method, which is lengthy and cumbersome. If inductively coupled plasma emission spectrometry or atomic absorption spectrometry are used to determine the copper with high content, the sample solution...

In order to improve the effectiveness of fault feature extraction and achieve the accurate classification of fault patterns in analog circuit, the paper proposed a new analog circuit fault diagnosis method based on preferred wavelet packet and extreme learning machine (ELM). The concept of feature departure...

Based on the related data of inbound tourism in Anhui from 2006 to 2015, by aid of the Excel software, analyze the structure of inbound tourist source market in Anhui. The result shows that: the numerical value of geographic concentration index of inbound tourism in Anhui is high and the stability is...

In this paper, from the geometric flow and the horizon model, the flow integral and the edge expression in the scanning band are analyzed. Secondly, the deficiency of the discrete binary wavelet basis function is constructed, and the standard orthogonal basis of the Bandelet transform is constructed....

The aim of this research is to analyze the influence of leadership style, and the employee engagement on the work effectiveness of ship crew of PT Pelayaran Nasional Indonesia (PELNI). PELNI is a state-owned company running a shipping business. The research survey is done toward 95 ship crew using a...