Advances in Engineering Research

In this paper, the air blast shot peening on Cr-75Nb alloy was carried out at the pressure of 0.6 MPa and processing duration of 13 min. The result showed that a severe plastic deformation layer was gained on the surface of Cr-75Nb alloy. The thickness of deformed layer was about 50 µm, and the structural...

The Thesis introduces an accurate location method facing campus student identity recognition on the basis of ultrahigh frequency RFID fingerprint. First, we obtain the fingerprint information in the sensor installed on the robot during the training stage, introduce the particle filter location algorithm...

Aerodynamic heating would generate high temperature rise on aero engine structure and severe temperature gradient on the body of assembling materials at the front of gas inlet which would develop heterogeneous temperature and thermal stress field and influence the kinetic characteristics of mechanical...

the number of various things began to connect to the Internet. Much more data than ever before has been recorded in the data system. Accordingly, the system that saves, analyze a data Measured from things is required. People try to predict the future through nature. IoT cloud platform that write an overflow...

Based on "Magic Formula", the tire dynamics simulation model was established in the Matlab/Simulink, contraposed many conditions like braking, steering and steering-braking combination. The main load of tire and the wheel aligning torque were simulated, then got the relationship curve between the longitudinal...

Two types of steels containing rare earths (RE) were smelted by the vacuum induction furnace with magnesia crucible, RE metals were added in liquid steel at the end of the smelting process, chemical compositions of the test steels were analyzed, and inclusions were observed by scanning electron microscope...

As a form of cultural artifacts, jemparingan brings local values and virtues that need to be preserved. This article focuses on the ways in which PERPATRI as traditional archery association, after its successful bid to introduce as traditional sport, Jemparingan is branded as a sport tourism destination...

During the process of improving train speed, carry capacity and quantity of cars for each train, the most technical challenging task for an engineer is dealing with the braking system. Besides using common braking technologies such as electric brakes, air brakes and eddy current brakes, we need to study...

It sometimes is hard to verify whether a binary relation is transitive by using its definition directly given by , On the basis of analysis and research of the definition of the transitive property of binary relation , this paper launches a new judgment rule, which is very helpful for students to judge...

This paper studies the maximum power point tracking (MPPT) methods under partially shaded conditions for a stand-alone PV array system. The rules for judging partially shaded conditions are presented and integrated into four MPPT methods. These methods are tested in real-time simulation environment,...

A new tetra-cobalt-substiituted dimeric tungstoantimonate Na10[Co4(H2O)10(B- -SbW9- O33)2]•36H2O 1 was synthesized in a weakly alkaline solution. The compound was characterized by elemental analysis and IR spectroscopy. A single-crystal X-ray analysis was carried out on the crystal 1 which crystallizes...

To evaluate the environmental safety of the joint action of nano-TiO2 and nano-carbon, Microcystis aeruginosa was used as the model organism to explore the effect of different concentration of nano- TiO2 and nano-carbon on the growth of algae. This experiment suggested that the growth of algae will be...

Adopting absolute nodal coordinate method, this article establishes dynamic model of double-connecting rod flexible manipulator. Its broad sense moment is obtained through virtual work principle. State equation is further deducted on this basis and numerical integration method is given. This article...

The combination of diesel oxidation catalyst (DOC) and catalyzed diesel particulate filter (CDPF) is one of the most effective ways to control particulate emission. Particulate number (PN) and size distribution characteristics are studied when a heavy duty diesel equipped with or without DOC+CDPF in...

Derivation of parallel three-hole of small spacing Tunnel in shallow non- bias case, surrounding rock pressure formula in sequence of first side hole after middle hole excavation, drawn the corresponding computational model For the study of parallel three holes of small clear space tunnel surrounding...

SWCNTs are widely used in the fields of biomedicine, electronics and energy storage. With the increasing of SWCNTs production, SWCNTs are likely to present in the environment. In this work, a series of concentrations of SWCNTs were used to test the toxicity to human epithelial cells (A549). Results showed...

Dissolved organic matter (DOM) in petrochemical reverse osmosis concentrate (ROC) is important for developing ROC advanced oxidation techniques. In this studty, DOM before and after ozonation was fractionated using resin adsorbents into five classes: hydrophobic bases (HoB), hydrophobic acids (HoA),...

In order to carry out comprehensive analysis and study on the application of GIS in the same frequency and phase AC voltage withstand test method,this paper studied the same frequency and phase AC voltage withstand test of GIS, briefly described the test device and the connection principle of same frequency...

This paper proposes a novel plant growth simulation algorithm. Through the optimization experimental of testing on the standard function, the results show that the novel plant growth simulation algorithm has reliable convergence, high convergence rate and solution precision.

The paper makes use of the calculation results of ANSYS software, and establishes a model of corona at ultra high voltage transmission lines with Electromagnetic Transient Program (EMTP).The proposed model is applied to lightning calculation of the conductors. The simulation results indicate that the...

Modern dairy cattle breeding is based on the usage of various breeds of livestock. However, among this variety there are leading breeds. In Russia as well as in the world one of the most common breed is the Holstein breed. Besides, black-and-white and Simmental cattle are widely used. Each of them has...

An autonomous identification and planning system is proposed and a flight platform based on Linux embedded control system is developed for a quadrotor unmanned aerial vehicle (UAV) based on vision. In the process of control, through the Zenmuse X3 camera and the Open CV library for real-time image processing,...

Mechanical properties of different cement-soil in Zaozhuang are studied in this paper. Clay and silt are two kinds of foundation soil widely distributed in Zaozhuang University which are choosed to make cemented soil samples.The influence of cement content and curing age on unconfined compressive strength...

To avoid the complex calculation of derivative in the backstepping design procedure, a novel kind of tracking differentiator was adopt to solve the derivative of ideal angle speed of the pitch channel missile system. Also, the ideal angle speed should be bounded or the stability of the system can not...

As human activities intensify the development and utilization of water resources, significant changes occur in the hydrological cycle and underlying surface conditions of the basin, leading to potential errors in traditional water resources assessment methods. Based on the distributed hydrological model...

Traffic congestion is now a major issue in Bangladesh. According to the World Traffic Index 2025 Bangladesh has ranked 4th in the traffic index among 246 countries in the world. Traffic congestion at manual-signalized intersections in big cities has increased due to the narrow width of the roads. Our...

In order to improve the utilization and added value of the Yangtze river sand, the raw materials for preparing high performance quartz sand insulating brick were investigated, the following conclusions can be obtained through investigating the influence of mechanical milling loading quantity on performance...

Designed in this paper, the energy-saving electronic 10kV metering device is composed of electronic voltage transformer, electronic current transformer, electronic metering terminal and communication terminal. Electronic transformers and metering terminal are no longer designed and tested independently....

The majority of heavy oil block has entered a phase of high-throughput round in China, mining results have clearly deteriorated, The natural reservoir has been a marked lack of energy, resulting in reduced cycle of oil production, oil and gas than the lower mining costs, economic deterioration. The research...

Researched on a monitoring system for one type of power drive device. Designed a mathematic model for monitoring and evaluating the status of power drive device based on data fusion theory, and developed the related software. Developed a database to manage the measured status data, and then developed...

In order to obtain the temperature field of water in a pool with a person inside, this paper established mathematical models by taking the human factors, including static and dynamic factors, into consideration. Firstly, based on the three-dimensional N-S equations and the concept of the equivalent size,...

With the national emphasis on energy conservation and environmental protection and as the primary energy consumption and emissions, more and more people pay attention on the energy saving of thermal power plant. In this paper, some relevant indicators for the energy saving of thermal power plant are...

the mathematical model of thermal stress field and temperature field are built for the main member lay with different dropping velocity of temperature.the analytic solutions for the temperature and thermal stress are obtained by the integration transformation.the numerical results are shown in Figs.The...

It’s been widely used that Synchronize data Sampling with GPS clock. But, the precision should be improved when it’s used for dielectric loss test in a substation. In this article, it’s studied that a portable testing system which based on high-precision sampling synchronously with GPS and wireless....

The effects of applying four accumulator species (Conyza canadensis, Cardamine hirsute, Eclipta prostrate and Nasturtium officinale) straws in cadmium (Cd) contaminated soil on phosphorus (P), potassium (K) and nitrogen (N) uptakes of Galinsoga parviflora were studied through the pot experiment. Five...

Web application system is a kind of system organization form which is of large scale and complex. Accurate requirements modeling of this kind of system has very important effect on system success. A web functional modeling method is raised in this paper called WASFM. The paper presents the formal description...

Due to large amounts of traditional energy consumption, faces increasingly dry up, people began to look for alternative new energy. And waves in the ocean energy can make a very good substitute, so countries began to study wave energy power generation. In the study of wave power device, the movement...

In order to ameliorate the poor durability and fireproof performance of high-rise building external thermal insulation, CS wallboard is applied to high-rise buildings .Using response spectrum method and time-history analysis method，the high-rise buildings with this composite wallboard as the main bearing...

Augmented reality technology is one of the hottest topics in the field of computer vision. This paper systematically reviews the research status of vision-based augmented reality technology. First, it outlines the current research status and application of augmented reality technology; secondly, it elaborates...

The Polbeng II ship has the following main dimensions: Lpp = 9.8 m, B = 1.8 m, H = 1 m, T = 0.6 m, and Vs = 21 knots. Based on the calculation, the ship’s resistance is 5.7 kN, and the engine power is 98 HP. In the ship’s transmission system, the gearbox ratio is 1:3, the shaft has a diameter of 13/4″,...

Jacket offshore platform structure are the big space structures usually used in field of offshore oil engineering. Local damage of platform may occur in the action of emergency, and will result in the whole failure of platform under extreme loads. So it is necessary to analyze the failure mode and damage...

The Chinese government has formulated a policy that, in principle, is no longer a closed community. The existing closed area and unit compound should open gradually. The policy has aroused widespread concern and discussion. We use the Dijkstra algorithm to simulate the district road network. Based on...

VLAD (vector of locally aggregated descriptors) is a type of global features extracted from the image, which is always used in image retrieval. Although VLAD is effective, it still needs to improve. VLAD is obtained by accumulating residuals, ignoring the number information of descriptors in a cluster....

Mesoporous silica FDU-12 with different morphologies has been successfully hydrothermal synthesized under static or stirring conditions by changing the water-bath temperature. The as-synthesized materials were characterized by X-ray powder diffraction(XRD), N2 adsorption-desorption, scanning electron...

Ship-to-air missile system operational effectiveness approach is proposed, the missile system operational effectiveness evaluation credibility index system is proposed, the missile system operational effectiveness evaluation credibility analysis method based on fuzzy AHP colony decision-making is proposed....

This article presents the results of experimental and finite element analysis of mistuned free vibration of bladed disk models. Blade-to-blade variations of bladed disk assemblies result in local zoning of vibration modes as well as amplitude magnifications, which primarily reduces the high cycle fatigue...

Fluorescence resonance energy transfer (FRET) is the radiation process which the donor molecules at the excited state transferred capacity to the acceptor molecules via remote dipole. Aptamers can specially recognize its target molecules. Based on these principles, a sensitive and selective uorescent...

Taking the rural green building assessment system of the Northwest China as the research object, the paper would discuss regional adaptability of the green building assessment system. The paper puts forward the assessment target facing the dilemma with the development of the desertification of rural...

This research focuses on braking pad back plate of disc brake system. Firstly building original 3D model of brake pad and the prototype is manufactured , then 3D model is imported into ANSYS for modal simulation and noise bench test with prototype is conducted. To verify the validity and precision of...

A low grade oxidized zinc mine of Lan ping contains 6.52% Zn with a high ratio of oxidized zinc ores and a little sulfide minerals.In order to utilize this kind of ore,the test treats oxidized zinc ore as a kind of valuable mineral and an experimental study on beneficiation is carried out in which the...

A bridge structure may sustain damage either when subjected to severe loading like a strong earthquake or when its material deteriorates. Monitoring the structural health of a particular structural system involves a damage identification process that comprises detecting, locating, identifying type of,...

In order to improve the uneven utilization of resources, electricity power loss and QoS (Quality of Service) in the cloud environment, a multi-objective VM (virtual machine) dynamic Scheduling mechanism is proposed. The VM in the cloud environment is dynamically managed via designing the strategy of...

The aim of this research was to evaluate the influence of culture substrate on the phytochemical contents of fruiting bodies and spores of 3 different varieties of Ganoderma lucidum. Three varieties (Longzhi No.1, Hunong No.1 and Xianzhi No.1) of G. lucidum were cultivated in two culture substrates (wood...

This paper discusses the condition acquisition controller's realization method based on IEC 61850 standard communication protocol. It presents a design scheme about main structure and key technologies. First, it studied the device's hardware requirements, communication environment, work flow, then designed...

In order to reduce the nonlinear error, a new method of nonlinear error correction in a wide frequency range is presented. In this method, firstly, the frequency of the measurement signal is divided into three bands. In each frequency band, linear fitting is used to pretreat the difference between the...

Accelerate the construction of a high standard of basic farmland is the primary task of the implementation of the National Land remediation planning, delineation of the high standard of construction of basic farmland in key areas is an important content of the high standard of construction of basic farmland....

Time series forecasting using ARIMA (AutoRegressive Integrated Moving Average) is well-liked and tested machine learning technique for projecting upcoming values depending on historical data or previous observations. Although ARIMA is a strong and popular technique for time series forecasting, because...

The usage of Fractional Order (FO) controllers for an electrical vehicle system is examined in this research (EVS). The auxiliary batteries, controller, charging port, onboard charger, electric motor, power in veelectriction battery pack, DC-DC converter, transmission, and thermal cooling system are...

Every month, women experience menstruation or menstrual periods. The menstrual period greatly affects the daily lives of women. This menstruation often causes other symptoms such as menstrual pain, back pain and even acne. Things like this can actually be overcome by women. There are several foods and...

Design and implementation of a system is introduced, which is designed to provide tools for station-management in the regional telemetry seismographic network, with a visual way to process data on management and geographic of seismographic stations. Web services including WebGIS, station-information...

Effects of different addition amounts of rare earth (RE) and Si-Ca on inclusions, the microstructure and mechanical properties of Steel 35MnSiCrMoV were investigated by accordingly using optical microscope, scanning electron microscopy with energy dispersive spectrometry, transmission electron microscope,...

Considering the limited resource and capability, a mobile database model based on secret sharing protocol is proposed. The system achieves the mechanism of the least privilege with the use of secret sharing protocol, which guarantees that only the mobile client can get both the key and the cipher text....

This paper first introduces the concept and allocation status of virtual reality technology, by analyzing the current computer-aided design problems in the toy, this paper also describes the virtual reality techniques advantages in toy design, mainly referring to improve the innovation of design, shorten...

Cough is a common respiratory symptom, caused by the inflammation of trachea and bronchial mucosa or chemical stimulation. Compared with other sounds, cough sound has a typical uniqueness which makes it possible to analyze the differences between cough and other sound performance. Since coughing is a...

There are more meaning of researching the operational efficiency of aerial radar jamming equipments and the method of using them than ever while the new aerial equipments have been widely used in air force. A novel computational method of Radar Jamming cover area is proposed in this paper, which is different...

In light of the present condition of the enterprise production management system and single management means, management is not standard, most people are involved in the production management, production management standard is not unified, the production management problems such as difficult maintenance....

As cellular structure, high strength honeycomb is continuously pursued for last decades. This paper presents five typical reinforced honeycomb structures as new creative geometric configuration. Dynamic numerical simulations were conducted by means of finite element analysis. Corresponding dynamic response...

Chitin has good biological activity, but the nature of the shell element is difficult to dissolve in water severely restrict its application in many fields. Through chemical modification, as the hydroxyl group to change its characteristics of different preparation of chitin, and were characterized by...

By using the multi-physics simulation software COMSOL, the pre-breakdown-heating phase in the electro-thermal breakdown of conductive water is modeled. In this COMSOL model, the Joule-heating module (jh) and the electric circuit module (cir) are used together to simulate the time-evolution of the temperature...

From the geographic view, rivers or lakes in America often run through several states or even across the half country which makes it difficult to categorize by their natural locations, let alone to allocate them. In an economist's perception, economy in states can have huge discrepancy which directly...

It first introduces widespread emergence of network the branches increased and security issues during the enterprise development and internationalization process. To use the VPN technology for network construction based on a comprehensive analysis the enterprise network system requirements and security...

The insulation photovoltaic Building component is a new kind of energy-saving building material with the function of heat insulation and new energy transformation. Because of combustible organic insulation materials and fire risk caused by control circuit fault, the fire performance must be concerned...

Patch-based texture synthesis has proven to produce reasonable results for a wide variety of texture classes. In this paper, an effective adaptive texture synthesis method is proposed based on the popular Image Quilting and the general framework of Hybrid Texture Synthesis (HTS) algorithm. Our algorithm...

Spherical joints are wildly used in parallel mechanisms. This paper applied polytetrafluoroethylene (PTFE) on the surface of spherical joints, aiming at reducing both frictional resistance and clearance of this kind of joints. Firstly, three kinds of solid lubricants were coated on flat samples and their...

Towards the problem of the time-varying AP signal strength degrades the indoor positioning accuracy in Wireless Local Area Network (WLAN), a WLAN indoor positioning method based on multiple mixed distribution model (MMDM) and Adaboost algorithm is adopted. Firstly, in order to describe the probability...

In marine accident disposal, the maritime sector of sea area's rescue abilities evaluation plays an essential role in improving emergency rescue abilities as well as optimizing the management, which can reduce similar occurrings. In this paper, Interpretative Structural Modeling(ISM) was firstly used...

In this article, a new planar array nulling approach which only adjusts the phase of the side elements was proposed. In this approach, pattern nulling problem was modeled as a constraint problem and solved by -self-adaptive differential evolution algorithm. Simulation results show that the proposed method...

This paper mainly focuses on the feed production line of a certain feed company in Jilin, the design of a segmented pig feed line under the concept of innovative thinking, and the large data technology, Internet of things technology applied to the production line, the overall design of the segmented...

The development of Cold Chain and Halal Logistics business is predicted to become one of the world's business opportunities in 2018. Indonesia as the largest Moslem's population in the world has a great opportunity to become the Hub of Cold Chain and Halal Logistics of the world. To establish the opportunity,...

The ground settlement under pipe jacking is one of the key factors affecting construction safety and engineering quality. At present, domestic and foreign scholars have carried out a large number of studies on the prediction technology of surface settlement through pipe piercing. However, most of these...

A narrow-wall slotted waveguide array antenna with low cross-polarization filter is presented. The horizontal polarization (HP) is the co-polarization for narrow-wall slotted waveguide array antenna, while the vertical polarization (VP) is the cross-polarization. High level cross-polarization reduces...

Aiming at the problem that fault feature of wind turbine bearing is difficult to extract, a new fault diagnosis method based on variational modal decomposition (VMD) and spectral kurtosis (SK) is proposed in this pa-per. Firstly, vibration signal collected from wind turbine is decomposed into several...

Our country is the largest producer of wheat and in the processing of wheat, the yield of bran is nearly 20% of wheat processing capacity, the only by-product of wheat processing to produce each year - the bran as high as more than 20 million t, which is a big resources. The main contents of this part...

Rock-fill dam compaction quality depends on compaction parameters and material parameters. Although it is difficult to gain material sources parameters at any dam surface location, the real-time quality monitoring technology of rock-fill dam construction provides for gaining compaction parameters of...

In allusion to the problem that the multisource remote sensing data are not fully used and the data processing efficiency is relatively low, the multisource data mining system based on the cloud computing service mode is designed according to 3-layer 4-mode cloud computing service hierarchy system. Firstly,...

How to determine the location of the video is the important aspect of video data analysis and date taken, the sun's shadow positioning technology is based on analysising the sun's shadow change to determine the video shooting place and the date of video shooting.

The effects of intercropping with accumulator species (Capsella bursa-pastoris, Cardamine hirsute and Galium aparine) on phosphorus (P) and potassium (K) uptakes of Galinsoga parviflora under cadmium (Cd) contaminated soil were studied through the pot experiment. Seven treatments were used in the experiment:...

Cellular automaton model has become an excellent tool for simulating real traffic flow, because of its efficient and fast performance in computer simulations. In this paper we investigate the two-lane cellular automaton traffic model considering lane-changing behavior under the Keep-Right-Except-To-Pass...

Reciprocity theorem is proposed to design and analyze R-2R based DAC, which can make the complicated design and analysis of R-2R based DACs simple. The detail of how to use reciprocity theorem in the design and analysis of R-2R based DAC is given. The 14-bit DAC designed by Reciprocity Theorem has performances...

In order to investigate the cage slip ratio, the dynamic differential equations of high-speed cylindrical roller bearing were built and solved by GSTIFF (Gear Stiff) integer algorithm. Cage slip ratio in hybrid ceramic cylindrical roller bearing and steel cylindrical roller bearing has been studied,...

Heating furnace is the key and core equipment in the petrochemical production plant, therefore using risk assessment method to effectively identify and control the possible risk is very important. In this paper, how to consider the heating furnace danger and operational problems in the HAZOP analysis...

Vibratory stress relief(VSR) is carried out by using mechanical eccentric vibration aging machine. It is the common method to remove the residual stress of the metal component, with energy saving, environmental protection, highly efficiency, low cost and other advantages. However, due to the limitation...

It is well known that the Logistic model is mainly used in epidemiology. The more common situation is to explore the risk factors of a disease and predict the probability of occurrence of a disease according to the risk factors. However, we found that the Logistic model is not only significant in epidemiology,...

With the development of precision engineering and precision instruments, the micro-nano platform becomes the important carrier in the precision positioning technology, which provides large torque and high precision. In this paper, a kind of large torque micro-nano platform is designed and created, which...

The economical insulation thickness of the secondary pump lines in the subway system was calculated and analyzed based on the established optimization model of the secondary pump water system and the principle of lowest thermoeconomics cost. The main influencing parameters of the optimal insulation thickness...

Finite element method is used for post-buckling analysis of pipeline usually. In order to study effect of interaction between pipeline and seabed, FEM of pipeline exposed on seabed is built based on ANSYS, interaction between pipeline and seabed is studied, as results show that critical buckling force...

Vehicle anti-theft alarm system using RFID technology in the region of the vehicle for security management and establish a vehicle intelligent anti-theft alarm and management platform, the vehicle to achieve the automatic import and export with owner identification, vehicle positioning, statistical statements,...

The emission permit system and carbon quota system should be concurrently implemented for fuel consumption. The emission license is used to distinguish the different uses of automobile. The differential quotas of CO2 emissions are implemented for production or living automobiles, urban or rural users....

Enzyme breakers have many significant advantages compared to the traditional oxidizer chemical breakers because of their substrate specificity, high efficiency and non-toxicity, thus enzyme have been widely used in the water-based fracturing fluids as guar gel breaker. However, there is an industry-wide...

Apply the centrifugal casting process to the preparation of hypereutectic Al-18% Si alloy cylinder liners. In-situ gradient composites of Al-18wt.%Si Alloy, which possess the microstructures of accumulated primary Si from outer layer to inner layer, have been acquired by changing the rotation rate of...