Advances in Engineering Research

As a new horizontal rotation loading device, elevator comprehensive back-to-back test system can simulate the energy status of in different elevator load. It makes the elevator or its components such as magnetorheological(MR) traction transmission device to meet the dynamic characteristics in practical...

Considering the difference of phase-shift direction and amplitude attenuation direction when the optical wave propagates in conductive medium, with the boundary conditions of optical wave at the interface of the media, we derive the recurrence formula reflection coefficient for the S-polarized optical...

In the research of intrusion detection, we mainly focus on how to improve the accuracy of detection. Based on the introduction of support vector machine, this paper proposes a cubic polynomial smooth support vector machine model and uses it into intrusion detection. Subsequently we analyze each part...

Condition monitoring can greatly reduce the cost of Pumping Station, To have reliable operation its condition must be monitored constantly. the paper presents a monitoring system of Pumping Station based on FPGA. The system uses EDA development software Max + plus to achieve modular design in FPGA, such...

In this paper, the symbol error rate of distributed MIMO antenna systems in a linear cell is analyzed. Firstly, a composite channel model which includes the fast fading, shadow fading and path loss is established. Then, a closed form expression of symbol error rate for point-to-point downlink MIMO communication...

The lubricating oil sludge from steel wire drawing factory contains organic compounds mainly of fatty acids, which has good binding property and combustion performance. In this paper, briquette is prepared from pulverized coal with this industrial sludge as binder. The viscosity of sludge was tested...

Polyaniline is widely used in many fields due to its many advantages such as easy access to raw materials, simple synthesis process, good chemical properties and environmental stability. In this paper, the synthesis methods of conducting polymer polyaniline are discussed firstly. Then, the conductivity,...

We develop a model to analyze the data and then create a safety rating to specify a measure of how safe My City is. The goal is to use safety rating so as to evaluate the safeness of My City. Using historical data from the police reports in My City, we capture the essential elements of urban public safety,...

Understanding the settlement process of Cr in marine bay is essential to pollution control and environmental remediation. Jiaozhou Bay is a semi-closed bay located in Shandong Province, China. This paper analyzed the seasonal variations of Cr in bottom waters, and identified the settlement process. Results...

As the south-north water transfer project starts work, construction of aqueduct in China has entered a new period of development. Static analysis of aqueduct structure is the foundation of design and construction, includes the calculation and analysis of stress and strain of aqueduct structure. The stress...

The traditional analysis simulations are generally based on the time stepping mechanism in HLA. This method will greatly affect the simulation efficiency due to in a period of time no events occurred. This paper attempts to simulate high-level missile attack and defense using discrete event simulation...

In order to reduce salt pollution and reuse reactive dyeing wastewater efficiently, the residual dye was removed by calcium hydroxide, and the residual liquid was purified to remove the excess calcium hydroxide. The liquid was reused for reactive dyeing after the pH value was adjusted and the salinity...

This paper we intend to test the pressure during the process of grain drying in the rectangular silo and explore the change regularity of dynamic and static pressure. According to the trend of the dynamic and static pressure with height, we analyzed the pressure and the structure stress in the silo that...

It explores and constructs the principles of waste product redesign which are based on the concept of upcycling. It clarifies the basic concept of upcycling, briefly describes its current development, deeply discusses its value and significance, combines with the idea of upcycling which behinds regeneration...

The Zoobenthos in Baiyangdian Lake in Hebei province of China were investigated during August to October 2014, including the community structure and diversity. Total of 23 zoobenthic species were collected at 9 sampling sites, including 17 species of mollusca, 2 species of annelida and 4 species of aquatic...

Aiming at humanoid robot’s dual-arm collision avoidance motion planning, this paper firstly establishes kinematics model for humanoid robot and mathematic model for Workspace Target Areas (WTAs). Secondly, it has deduced inverse kinematics formula based on DLS-SVD method and proposed a bi-directional...

Adapt to the global strategy of the state, the paper builds a geospatial information service platform with a global coverage, high resolution, multi-subject, and the national global strategy formulation and implementation, to provide the fusion and strategic decision-making ability of massive dynamic...

In order to improve teaching informationization level of dance and promote the popularization of dance education, research the media coding of dance teaching live system based on iOS platform, support provide technical for the live system development. Firstly, study the iOS platform system structure...

IEEE802.15.4 defines MAC and PHY specification for low-rate wireless personal area networks (LR-WPANS), which targets wireless networking among low-rate, low-power and low-cost devices for short range telecommunication. As the wireless sensor network (WSN) used in ward monitoring system need to handle...

The design is comprised of single-chip computer module, liquid crystal display module, sensor module, clock chip module and speech chip module. Magnetoresistive sensor is responsible for collection of magnetic field strength in specific direction, while clock chip is for calculation of data such as time...

At present, rarely research is done about the loading process of cable net curtain wall with spring mechanism, therefore, how to select the spring stiffness at the cable end and what role the spring play in the process of loading become the very concern for curtain wall designers. Therefore, based on...

SAR dual-channel cancellation technique can suppress the scatter-wave jamming of single jammer, so the scatter-wave jamming method of multi-jammers for SAR dual-channel cancellation system is proposed. First, the scatter-wave jamming suppression principle of dual-channel cancellation is reviewed. Then,...

The reform of oil and gas industry can improve significantly the industrial efficient, sustainable and healthy development. This paper chooses United States as a representative case, reviews the whole reform course of the oil and gas industry in US, and also establish an evaluation index system which...

Aimed at the problems existed in current opening laboratory system are analyzed, and puts forward the improvement of the platform, design with learning resources, map navigation guide, wireless service platform and other functions, to achieve a unified platform, sharing interface, the introduction of...

On the base of analysis of probability of failure under uncertainty of susceptibility measurement in the reverberation chamber, we derive the relationship between the sample number of stirrer positions and the number of the mean value of electric field of different injected power levels during the measurement,...

This paper analyzes the energy status and energy saving measures of the universities in the world based on the current situation of building energy consumption, compares the data including energy consumption per unit area, electric energy consumption per unit area, energy consumption per capita, electric...

In order to solve the current college admission work problems like workload focus, department coordination problems, and low artificial statistical efficiency, on the basis of college admissions requirements analysis, this paper proposes the use of big data to collect admission work data in each link...

The paper simulated numerically the process of wind-blown sand flow impact-induced erosion of cement-mortar block. The concept of wind erosive critical pressure was put forward. Furthermore, the calculation formula of the impact pressure of sand grains, the attenuation equation of elastic modulus and...

The integral steering linkage is the key part on vehicle, which can ensure the Ackerman steer angle when steering. in this paper, The mathematical model of the Ackerman steering linkage is established. The author introduces the optimal design program for the Ackerman steering linkage with MATLAB optimtoolbox....

With the development of smart distribution grid, metering devices for low voltage distribution network is getting better and better, which lays the foundation for the accurate calculation of theoretical line loss. Firstly, this article points out existing problem of commonly used calculation methods--equivalent...

A method of attitude measurement using general commercial photoelectric sensor is proposed for the floated inertial platform. The installation error of the photoelectric sensor is analyzed and modeled, and the weighted recursive least squares algorithm is proposed to identify the misalignment angle....

In the paper, we combined with an actual engineering about an old bridge which filling pile. Through conducting the structure performance testing and cap beam Carrying Capacity of the old bridge, and using the comprehensive assessment method grading the old bridge, these provide a scientific basis for the...

The effects of different N and P nutrient limitations on the growth inhibition of Prorocentrum minimum by Ulva pertusa Kjellm fresh tissue and dry powder were studied in this paper. The results showed that U. pertusa fresh tissue and dry powder could inhibit the growth of P. minimum, and the growth inhibition...

Unmanned aerial vehicles (UAVs) face significant challenges in dynamic obstacle avoidance despite their broad applications in agriculture, logistics, and emergency response. Existing methods, such as sampling-based RRT and graph-based Dijkstra algorithms, often struggle with dynamic environments and...

This paper proposes a method of mechanical performance prediction of cold rolled ribbed steel bars based on RBF network with whole variable space. It builds a whole variable space model and studies the performance prediction of cold rolled ribbed steel bars based on the 5-in & 1-out RBF network and the...

In this paper, we investigate symbol timing offset and carrier frequency offset estimation problem in distributed MIMO-OFDM systems. In distributed MIMO-OFDM systems, signals arrive at the receiving antennas on different timings and are characterized by distinct CFOs. This property makes synchronization...

Limited by the properties of infrared detector and camera lens, infrared images are often detail missing and indistinct in vision. The spatial resolution needs to be improved to satisfy the requirements of practical application. Based on compressive sensing (CS) theory, this thesis presents a single...

Graphene has become a hot topic in the field of materials because of its excellent properties and unique two-dimensional structure. In this paper, the preparation methods of graphene are reviewed and the advantages and disadvantages of each method are analyzed. The mechanical, optical, electrical and...

With the help of topology optimization and coupling analysis, the virtual prototyping technology was first used in designing a GFRP engine mount frame. In this design, the topology optimization technology based on a variable density method was introduced in order to reduce the structural weight while...

Traditional manual parameter debugging is subjective and requires professional experience. To make up for the deficiencies, a new kind of parameter debugging approach based on complex genetic algorithm is proposed to calibrate the parameters of Xin'anjiang model. The proposed approach combines genetic...

Dance appreciation is a creative and complex spiritual activity process of the unity of feeling and understanding, affection and understanding. Development of information technology and mobile terminals provide a new way to dance appreciation. In order to develop dance appreciation video system, this...

Real-Time Monitoring System(RTMS) is the result of the development of information technology, which has made a huge difference to the life and work. The Android based GIS terminal is designed and implemented for RTMS, integrated with Internet communication, GPS, and intelligent navigation technology....

By immobilized ferric oxyhydroxide on absorbent can improve its dispersion property in aqueous solution, then improve its application in water treatment. Ferric oxyhydroxides composites had been used as the absorbent on contaminants removing nowadays. This paper use this composites to absorb manganese...

urban power conveying at present most of the use of underground channel and tunnel laying cable transmission, in order to ensure the power transmission of real-time, stability and continuity, we developed a robot tunnel for real-time monitoring of cable tunnel. This paper introduces a hardware solution...

Based on the 45 rainfall runoff samples that are collected from Qingdao residential area after the raining of July 22, 2014 and September 28, 2014, this paper tests the contents of heavy metals Cd, Cu, Pb, Zn and Mn. And based on the test results, this paper further analyzes event mean concentration...

The zero-voltage-switching combined DC/DC three-level converter, just has six switches, and the voltage stress of all switches is ensured to be only the half of the input voltage, especially suitable for high-voltage input situations, and the converter can reduce the output filter significantly at the...

The assembled foundation of power transmission line, which is composed of concrete lath and angle steel scaffold, has been applied in practice. But due to the gap of laths, the bottom area of the foundation is not clearly defined when calculating the compressive load. Theoretical study on the ultimate...

The characteristics of diversity, dynamic, heterogeneity, massive data volume and distribution of geospatial information under internet environment are challenging the traditional geospatial information services. The appearance and development of grid computing provide a reliable environment for the...

Lateral diversion from an open channel is a common flow regime and easily produces swirl which causes large head loss. The previous research mainly focused on the split flow about the fixed shapes of channel and small slopes. The paper investigated the local head loss at the diversion gate under three...

This paper presents a uniform design methodology for computer aided experimental design for intumescent fire-resistant coating (IFRC) formulations, exemplifies the benefits of using experimental design together with statistical software to facilitate the optimization of fire retardants in a formulation...

Mine planning and design require large amounts of the data; these can be handled very well by the application of suitable hardware and mine planning software. These mine planning software offers a complete 3D-dimensional visualization of the deposit and mine, allowing for any orientation to be rotated,...

In the process of use, cold-formed thin-walled steel composite floor should undertake the upper floor vertical load, transfer wind load and seismic force to the shear wall, so that the composite floor must have good bearing capacity. However, using theoretical derivation to calculate the bearing capacity...

There are many disadvantages in the traditional teaching management mode, which can not meet the needs of the rapid development of today's information technology. Relying on the campus network as the background, the use of advanced information management platform, the development of a set of open laboratory...

In this paper, K-means clustering algorithm is applied to the classification of college students, by which studies college students’ organization form and then discovers new college students’ organization from. By means of defining students’ attributes, the whole text quantities and normalizes those...

Alkali lignin is an important biorecourse. Its low reactivity and indissolubility in water make it difficult to be utilized. In present study, we verified dissolving capacity of [Bmim]Cl and researched the effect of some influencing factors, such as time, temperature and the amount of reactants, on the...

The technique of smooth connections between quartic Bézier curves with shape parameters and cubic H- Bézier curves is investigated. Based on a study of their basis functions, endpoint properties and shape analysis, the continuous connection conditions between quartic Bézier curves with shape parameters...

The valve cooling system of converter station plays a very important role in the DC transmission project, and it is important to keep the system stable running. It is found that great scaling difference appeared among three spray towers of the valve cooling system in Tianshengqiao converter station during...

The saturated magnetization and coercive force of TP347H tube from SC units and is temperature oxidation have been measured by vibration specimen magnetometer. The oxidation has higher Ms and lower Hc compared with the base metal of TP347H. The basic difference of the oxidation and the stainless tube...

The Japanese language proficiency test is the largest Japanese examinations in the world. This paper based on the NHibernate technology of .NET platform for the score management system to conduct the persistence layer design, to provide technical support for software development. Firstly, research on...

Study the optimization of aero-engine PID (Proportional-Integral-Derivative) controller parameters. In order to improve the tuning accuracy on aero-engine PID control parameters for the optimal solution, this paper presents a genetic algorithm-based PID parameter tuning method. Because the choice of...

The multistage centrifugal pump is mainly used for urban water supply and residential water, which not only achieves excellent hydraulic performance, but also has higher requirements for noise reduction. This paper focuses on the calculation of the hydrodynamic noise of multistage centrifugal pump, including...

This paper measured the influence factors on wireless channel by setting a inside wireless environment and some test models. For the same environment, the power of received signal is reduced as the increase of the distance between transmitters and receivers. The values of path loss is between 2 and 4...

By collecting and analyzing the users' information behavior, the users' real interest can be obtained, and the recommendation of users' need can be generated. This paper explores the basic concept and the related technology of personalized recommendation. On that basis, this paper proposes a personalized...

The fracture toughness of No.45 steel before and after corrosion is studied in this paper.Two experiments have been carried out about hardness experiment and COD experiment before and after corrosion. And the influence of corrosion condition of the hardness increment and fracture toughness is analyzed...

With the speed of the development of science and technology speeds up unceasingly, the traditional technology forecasting often limited the price of large, long cycle. This paper proposes a new subject to carry out technology foresight and industrial path planning research---extenics. Extension through...

The effectiveness and deterrence of food safety punitive damage system in China have been widely questioned in academic circle. Based on the Prospect Theory, this paper gives an analysis of the causes of frequent food safety incidents with the current punitive damage system in China. Simulation analysis...

Web service composition has been an important research topic in the field of service computing. Through the web service process modeling and the formal verification of the composition, we make sure the composite services meet the designer’s anticipated targets. Pi calculus is process algebra which is...

Aiming at the existing problems of the current methods in the area of guidance instrumentation error separation, such as the multicollinearity impact, the large noise effect and the low accuracy of separation results, a brand new algorithm is proposed. Firstly, basing on the advantage of wavelet analysis...

The electromotor shell is analyzed by the finite element method. The result shows that vibrations of exterior and the top of the shell produce the shell vibration. The rib reinforcement type and the surrounded structure are designed to optimize and ameliorate the prototype structure. Then vibration and...

Tomato fruit contains a lot of pigment, polysaccharide and secondary metabolism substances. These substances can affect protein separation effect, and interfere with the process of two-dimensional gel electrophoresis. The extraction of tomato fruit protein sample, conditions of isoelectric focusing and...

The assembled foundations of transmission lines can effectively promote the standardization, modularization and mass productions of tower foundations. Meanwhile, they can ensure a higher quality, improve the efficiency and mechanization level of construction, and make innovations in the construction...

In recent years, the global energy supply tends to be tight, the environmental problem causes the widespread concern, the traditional automobile malpractice gradually appears, the government pays more and more attention to the energy saving and emission reduction, has brought the new opportunity to the...

The standard method to determine industrial effluents color is multiple dilution method which has defects of reproducibility, obscure endpoint of dilution, and subjective influence. For this, based on the theory of complementary color, an integral spectrophotometry method was proposed to determine the...

The post-construction settlement of soft soil subgrade is one of the main problems of railways and highways that troubling builders and designers. Reducing the post-construction settlement has a great significance. This article presents the treatment and precautions of design. Finally, it gives a brief...

Plate heat exchanger is a kind of compact heat exchanger, which has high heat transfer coefficient and compact structure and is easy to wash.In recent years it has been widely used, but also has the disadvantages of big flow resistance.In this paper the numerical simulation is performed by using the...

Personalized information recommendation service of library had becoming an important research task. This paper divided library users into new users and other users. It proposed the recommendation strategy based on user segmentation. On the base of these, it designed a personalized information recommendation...

The rotor non-isotropic produced nonlinear vibration of aero-engine in windmilling would cause serious danger to flight security. So the research of vibration character in windmilling should go further. In this paper, the kinematic equation of the rotor/stator/wing system is established based on Jeffcott...

With the increasing demand for contactless power supply in modern electronic devices and electric vehicles, wireless power transmission (WPT) technology has attracted significant attention as a promising solution. This paper studies the frequency fork and influencing factors in Wireless power transmission...

The mixture model based on the Euler-Euler approach along with the standard k- turbulent model was employed to predict the two-phase flow and heat transfer in the external cyclic purification hot-dip galvanizing bath. The arrangement of the return and pump pipes was assessed to determine its effect on...

Atmospheric pollution is influenced by many uncertain factors, such as the content of pollutants, wind, etc., Therefore, one given environment system can be considered as a grey information system. In this paper, According to the monitoring data of atmospheric pollution in Shijiazhuang city of Hebei...

In the disturbed case, since the parameter tuning method is imperfect, there have been issues of excessive overshoot and adjusting time in MFAC. To optimize MFAC controller, a MFAC-ABC is proposed, with ITAE criterion as the fitness function, and key parameters of _kand are optimized and tuned using...

By incorporation of silica fume, magnesium oxychloride cement(MOC) with high water-resistance property can be formed. Here, the effects of silica fume on compressive strength, water-resistance property, hydration product and microstructure were investigated. X-ray diffraction and scanning electron microscopy...

Simulation of pedestrian evacuation flow in a room with fixed obstacles is presented based on cellular automata (CA) in this paper. Pedestrian moving rules are established, according to two-dimensional cellular automaton Moore neighborhood. The dynamic parameters are formulated to simplify tactically...

An automatic monitoring system which is based on the Internet of things is designed to resolve the singleness of function and of agility of the traditional system. The system is constituted by several modules of pressure, water level, temperature, serial communication and touch screen control. The device...

This article uses Interpretative Structural Modeling Method(ISM) to build deep learning promotion structure diagram of the influence factors, then uses Analytic Hierarchy Process(AHP) to determine the relative importance of various factors, according to the evaluation results it is concluded that the...

With the pace of development of science and technology continue to accelerate, the traditional technology foresight has been often limited by it's long cycle period and large expend. This paper presents a new model in a traditional method acting that --- Ant Colony Algorithm. Facing the basis problem,...

Abstract— This paper introduces the detection of laser ultrasonic visualization. It describes the working principle of cylinder sleeve and the formation causes of defects. It bases on the use of LUVI technology to check the defects by experiments of cylinder sleeve, and the experimental results are analyzed. Finally...

The outer surface of the continuous caster brass processing, for example, research and discussion process for the grinding of non-ferrous metal surfaces.

Course information database in selection course system occupies an important position, database design is an important part of software design, but also it is also the key supporting software system running, it is the starting point for software design, plays a decisive role in the qualitative change....

We use the nanoimprint lithography to construct nanostructure on the surface of double metal Au electrode. Through the analysis of the influence of different processing parameters on the machining dimensions, we can arbitrarily control the structure size of the nano-pattern. By natural oxidation in air...

Nonlinear composite insulator voltage distribution is big, the umbrella skirt interval is small, this brought difficulty to defect inspection of composite insulator. Article is studied based on electric power within the composite insulator type defect inspection technology, the principle of uv pulse...

In this paper, we described the process study about the pre-processing parameters of litchi slag. After investigating the influence of single factor and the orthogonal experiments, we obtained the optimum process parameters. The optimum process conditions of cellulase hydrolysis is X12X23X31X42 (hydrolysis...

To study the influence of local geometric feature on circular plate’s sinking performance in the soil, radial and circumferential grooves are added at the bottom of circular plate separately. Smoothed particle hydrodynamics and finite element method(SPH/FEM) are used to simulate the sinking process....

The paper selects distributed solar water heating system of certain high-rise house in Jinan City as research object, its field performance test and energy efficiency assessment are made, obtains annual solar guarantee rate and conventional energy substitution quantity of solar water heating system of...

The primary aim of online monitoring system of sewage treatment in Kunming, this system is built basing on Web Service Structures, is real-time monitoring of water quality parameters so that the changing of water quality can be easily known. The mission of this system focuses on receiving and managing...

Strata control is one of the major challenges in underground coal mining and needs special attention during depillaring operations. Depillaring in underground mining is generally a complex operation, which became a major contributor to accidents as per past experiences. The study of strata behaviour...

Mixed flow fields of water and low density particles in the stirred tank of the single size six-blade ruston turbine are calculated by the large eddy simulation and multiphase flow model. The effect of the mounting location of the paddle on two phase flow field is studied. The result shows that with...

Tunnel engineering is an important part of the development and utilization of underground space especially in the city. To alleviate traffic pressure, improve the efficiency of traffic greatly. This paper will use the numerical simulation software FLAC3D, to simulate the Subway tunnel excavation. Analysis...

Aiming at the problem of common-frequency jamming between airborne radars of same model, oblique projection polarization filtering technique was introduced into common frequency jamming countermeasure. The basic principle of oblique projection polarization filtering was analyzed; the anti-interference...

A pot experiment was conducted to study the effects of grafting on photosynthetic characteristics of potential Cd-hyperaccumulator Solanum photeinocarpum under Cd stress. Four treatments were used in the experiment: ungrafted (UG), self-rooted grafting by the same S. photeinocarpum seedling (SG), self-rooted...