Advances in Engineering Research

With the development of multimedia technology and the popularity of Internet technologies, network streaming media of communication have become multimedia communication is required. Using existing audio and video encoding and decoding algorithm can dramatically reduce the amount of data transferred,...

In order to have a clear understanding for frame structure’s vibration modal, and improving the structure’s dynamic characteristics. This paper adopts finite element method to simulate and calculate frame structure teaching building, and gets natural frequency and vibration mode of frame structure teaching...

The high voltage direct current transmission based on voltage source (VSC - HVDC) technology has been widely used in transmission areas. Aimed at the problem of the low Steady-state accuracy and weak anti-interference ability for the traditional PI control, a control strategy based on ADRC was proposed....

For deep tunnels, their engineering geological and hydro-geological conditions are highly changeable and complex. Rough construction often triggers or produces accidents, such as water inrush, mud inrush, landslides etc. For informational dynamic design and construction of tunnels, it is of vital importance...

Pre-copy algorithm based on probability prediction could predict the probability of memory pages becoming dirty and avoid the repeated transfer a large number of dirty pages. However, when the dirty pages increase dramatically, prediction of probability will fail. To solve this problem, an Adaptive Bandwidth...

This paper proposes a strategic data-mining and recommendation method. It helps us to get the weight attribute of type of book by using AHP, and we add it in association rules. Then the method clusters the customer and type of book, and gives some strategies of personalized recommendation. Internet bookstore...

A set of command simulation system, which can be used for training of jumpmasters, later evaluating of training situation, as well as aiding of decision making, is developed in this paper. The software system realizes teaching monitoring, teaching quality assessment, and automatic forced parachuting...

Hybrid system by two electric motors and power source to drive the vehicle engine is running, the two power sources in the vehicle running in how power affects the performance of the entire mixed distribution system. After the diesel engine because of its non-linear, multi-condition, time-varying delay...

Siraitia grosvenorii (Luo hanguo, LHG) is a unique edible and medicinal plant in China. Drying the LHG with a rapid, highly efficient method and keeping good quality are urgent problems. In this paper, the changes of Vitamin C (VC) content in LHG under microwave drying were studied. The effects of key...

With the development of economy and technology, the large-diameter tunnel is wildly used. The deformation will be resulted in the process of excavation which will leading to the surface subsidence. Six kinds of mathematical model are put forward in the process of exploring the surface subsidence. For...

For the problem that blind spot of large trucks is relatively big and potentially rear-end in lane change and other issues. This paper proposed a large truck lane change security tips system. The system uses millimeter-wave radar to detect the positional relationship between the truck and the vehicle...

With the increasing of photovoltaic (PV) penetration in the distribution network recent year, the impact of PV is more and more obvious. This paper first study the mechanism of PV impact on distribution network through the equivalent circuit of grid-tied PV system. Then we establish a typical distributed...

The permeability testing technology is a kind of non-destructive testing method, which based on the change of permeability, can detect the stress concentration state and the degree of fatigue damage for ferromagnetic samples. The detection sensor based on the constant current source has higher detection...

In this paper, the finite element analysis of a special form of variable curvature curved beam element is studied and equilibrium equations of variable curvature curved beam element are established in polar coordinates. Based on the principle of energy method, the relationship between nodes displacement...

Research on ship motion control as the main design issues, the controller design is a vital part of the ship. in modern society, the ship sailing economy, safety and comfort controller has an important relationship with ship. many researchers at home and abroad have been unremitting efforts to improve...

The key issue of structural design are three aspects of strength, stiffness and stability. Prestressed rectangular aqueduct that is one of the important hydraulic conveyance also has the same, and it has the "thin" characteristics, and belongs to a slender member, then the stability problem should be...

Milling manufacturing is expounded by this paper, case analysis showed technology process and characteristic of integrated milling parts and written programmed instruction combining with the machining requirements, the usage of special or Simplified milling directives and macro in milling manufacturing...

In the present study, we describe an electrochemical sensor for codeine detection by using the DNA aptamers against codeine. In the sensing protocol, a dually-labeled DNA Aptamer probe was designed to be labeled at one end with HS, and at its another end with an dabcyl as an electrochemical tag to produce...

In this paper, samples are first designed and made based on the orthogonal experiment law. Afterward, image gray processing and image binarization processing are performed on the electrospun nanofibres non-woven fabrics image that is captured by the electron microscope through digital picture processing...

Proposed is an affine projection sign algorithm with a nonlinear error scalar matrix to improve the robustness and the tracking performance against non-Gaussian impulsive interferences. The error scalar matrix scalars down the errors of some projection directions in the presence of impulsive noise. The...

Monitoring and measuring is one of three main factors of the New Austrian Tunneling Method. By measuring the tunnel rock deformation data, collecting and analyzing it, measuring data can be used for the feedback of excavation results and for guiding the construction timely. The tunnel monitoring includes...

To the RFID system,Multiple reader and transponders deployed to meet the diversity applications, heterogeneous networks, diversity of service application system, lead to the decline of recognition, data transmission delay and signal integrity performance problems. Collaborative anti-collision algorithm...

With the development of our high speed train, passengers on the train ride comfort requirements are gradually increased. Therefore we should study some emergency cases in car environment. The article explores the use of CFD software method to realize the full return air model, provide the basis for the...

Nano-ZnO is a typical engineered nanomaterial, which is used in many fields. With its mass production and wide application, more and more nano-ZnO discharge into the water body. Water ecological environment is facing a huge threat. This article summarizes the toxic effects of nano-ZnO on different types...

Moving target detection is the premise to classify and recognize the video images correctly. The smoke is a marked characteristic in the early forest fire. Through the analysis of the characteristics of forest fire smoke image, this paper studied several common moving target detection methods, analyzed...

Kinds of adjustable windows are flexibly applied in digital filter design and spectral analysis. But general description of adjustable windows for any window length are always deficient in time domain and frequency domian. Moreover, there lacks quantitative comparison of spectral characteristics among...

In this paper, an improved bacteria foraging optimization algorithm based on different constraint conditions is proposed to solve the vehicle routing problem with pickup and delivery (VRPPD). At first, the mathematical model is established aiming at minimizing the dispatching time and the total cost....

Because digital diagnostic pathology allows people to acquire, store and analyze pathological information from the images of immunohistochemical glass slides which are scanned to create digital slides, this paper introduced a system design to convert the slides to digital images And it has become one...

A2N (anaerobic / anoxic and nitrification) denitrifying phosphorus and nitrogen removal process is a new process which based on denitrifying PAOs anoxic phosphorus theory. The experiment used the continuous flow A2N system for dealing with the dilution of high concentration of anaerobic fermentation...

Jumping robots have been a hot research spot, since they are playing an important role in the modern wars, aviation and exploration, due to their good ability in obstacle surmounting, excellent adaptability to the ground and strong adaptability to the environment. This paper presents a novel bionic locust...

While previous studies have compared performance between alphabetic and Chinese subjects, few data were about Japanese-speaking individuals. In this study, we used Japanese-Chinese bilingual and Chinese-Japanese bilingual subject to investigate different in processing semantic and phonological by visual...

A hysteretic loop correction (HLC) model was established by introducing the position and shape correction factors of hysteretic loop in early study (International Journal of Pressure Vessels and Piping, 86 (2009) 616-621) based on the testing data of two Ni-based super alloys of FGH95 and GH4169. This...

After several years of vigorous development, theory and application of data mining technology has produced fruitful results. As an application of strong discipline, data mining technologies have permeated all areas of the national economy, caused great attention from academia and industry, have been...

Reasonable and effective command structure is a key element of emergency communications support in special conditions. Through describing two typical problems existing in present emergency communications support, this paper proposes the introduction of command and control organizational theory to solve...

To analyze the impact of stress and seepage field coupling effect on the stability of the tailings dam, Finite element analysis software MIDAS-GTS, build analytical models Mohr-Coulomb criterion. Coupling of different pile heights than the stress field and seepage field analysis of the tailings dam at...

Based on the classical magnetic structure of the vehicle MRF damper, this paper mainly focuses on the influence of magnetic circuit structure and key parameters on response time of MRF damper, and put forward the optimization method of magnetic circuit structure, which adopted the double stage magnetic...

To compare with the traditional PSA, the DPSA (dynamic PSA) can well solve the problems containing dynamic factors of time, process variables personnel operating behavior. The reliability data is the basis of DPSA, and the quality of DPSA largely depends on the quality of input data. The system composition,...

The physical weak-discontinuous problem of an axis-directional interfacial crack between homogeneous material and functionally graded materials (FGMs) cylindrical shells is studied. Base on Reissner plate theory, the governing equations are derived for weak-discontinuous problems of cylindrical shells....

In this paper, an intelligent trajectory tracking car is designed and an intelligent control system based on Freescale K60 is proposed. CMOS camera Ov7725 is used as the main sensor, and the Bluetooth module is used to implement the communication between the front car and the rear car in real time. The...

In order to investigate the structural stress dependence on the load conditions and material parameters, reduce and optimize the design variables, an orthogonal numerical test method is presented. First of all, the oxygen decompressor stress sensitivities to pressure, inertia force, elastic modulus and...

After the 30 years’ reform until now, there are still several defects existing in Chinese most of new rural economic cooperative organizations like the low development degree and incomplete functions especially the apparent defects in the internal governance structure, which influence its development....

This paper presents the ASIC design and implementation for micro-machined gyroscope, The ASIC interface is including an analog ASIC and a digital ASIC, and can afford driving closed-loop, On-chip reference generation, CIC and IIR filter chain, High performance MEMS gyroscope output detection. The two...

According to GB/T23020-2013 and GB/TBBBBB – 20BB and connecting with the practical situation of the integration of information and industrialization, the article builds the assessing index system for integration of information and industrialization of logistics equipment manufacturing industry. Through...

This paper is studied according to the method of auto fault diagnosis and proposes a data table structure of fuzzy diagnosis model based on fuzzy H net with the presenting of the reasoning process. Aimed at the uncertainty and fault fuzzy appearing in automobile, fuzzy H net is used to the fault diagnosis...

Recently CO2 emission reduction has become an imminent problem, iron and steel industry, as the third largest CO2 emitter industry, is vital for energy conservation and emission reduction in China. Accurately quantifying CO2 emissions is the basis for energy-saving and emission reduction of the iron...

The normal section tooth profile of the hob basic rack is used creatively as the basic rack of the harmonic gear drive with double-circular-arc. Based on the clear selection methods of the basic rack tooth profile's main parameters, the optimization method and process of the basic rack tooth profile...

In various fields of application of Internet of things endlessly, it development paints a bright future. However, the Internet application of common standards are not unified, compatibility between different Internet systems and scalable, these shortcomings and irregularities are restricted the application...

Microcapsules containing a curing agent, 2-phenyl imidazole (2PZ), for a diglycidyl ether of bisphenol A (DGEBA) epoxy resin were prepared by a solid-in-oil-inwater emulsion solvent evaporation technique with poly (methyl methacrylate) (PMMA) as a polymeric wall. The former could take more than 3 months...

Entrainment ratio is one of the main characteristic parameters of ejector. Studding on it is of a quiet importance to the compression/ejector refrigeration system. Computational Fluid Dynamics (CFD) is used to simulate the inner flow and analyse the influence of driving fluid pressure and outlet pressure...

The near-tip fields of an anti-plane crack in functionally graded piezoelectric materials(FGPMs) are investigated. To make the analysis tractable as usual, the elastic stiffness, piezoelectric parameter, and dielectric permittivity of FGPMs are assumed to be exponential functions of x parallel to the...

Electric energy has become an important energy source in today's society. However, there has been a lack of safe, reliable and effective real-time fire monitoring solutions for high voltage switchgear, transformers and other critical electrical facilities in power plants and transformer substations....

IOT applications in the field of agriculture is an important part of modern agricultural development, it brings agriculture to digital and information era, and it is an important direction of agricultural development in the 21st century. With the advent of the cloud era, big data has attracted more and...

Based on the voltage-current characteristic of the photovoltaic (PV) cell and PV’s integration technology standards, the more realistic imitational modeling of PV system for engineering application is presented. Through the operation standards of PV system and control of power electronics, the PV power...

At present most of the data mining technology can only on the basis of the past to produce large amounts of data analysis processing, it is difficult to meet the fast pace of society people expect of knowledge novelty. Therefore, this article puts forward the dynamic information of the data mining technology,...

In this paper, ZM21 and ZM21+Ce magnesium alloy extrusion in different processes before homogenization treatment, the microstructure was observed extrusion products and test their mechanical properties, analysis of rare earth cerium and homogenizing influence of annealing process on magnesium alloy ZM21...

This paper introduces a kind of experimental apparatus based on the basic structure and working principle of electric automobile power system. The experimental apparatus is integrated with power system's power battery, controller, DC/DC conversion module, permanent magnet brushless DC motor, motor encoder,...

Main purpose of outliers mining is from a large number of, incomplete, there are all kinds of data, the found hidden in one of the people is not known in advance but potentially valuable information or knowledge. Outlier is a data: deviate significantly from other data, it does not meet the general patterns...

Based on the elastic-plastic static analysis results of five shear wall structure models by using the finite element software ANSYS, this paper compares the structural cracks developing conditions of the two bottom layers of structural components, analyzes the weak parts, weak components and nodes of...

In accordance with the principle of arc expansion and the displacement of projection, the demo and curve model of relationship between tangent and cotangent function shall be designed and drawn. The paper introduces the composition structure of the model, analyzes the main parameters of the system and...

To solve the issue that there is some lack of subjectivity and objectivity in the Traditional reliability assessment of air traffic management evaluation means and by analyzing and finding out the related and essential factors in the reliability assessment process of air traffic management equipment,...

Alkaline peroxide mechanical pulp (APMP) is a kind of high yield pulp that comes with the comprehensive utilization of plant material, such as poplar. APMP has lots of benefits, such as easy preparation, good bulkness, good stiffness, excellent optical performance and good printability. However, it also...

Facing the fierce market competition, more and more enterprises are focusing on product logistics. As an important link in the logistics system, warehouse management is under great pressure. In this paper, AHP is used to evaluate the warehouse management, and the evaluation value of each index is given.

The problem of an anti-plane crack situated in the interface of functionally graded piezoelectric materials (FGPMs) and homogeneous piezoelectric materials (HPMs) is considered under the impermeable assumption of crack surfaces. The mechanical and electrical properties of the FGPMs are assumed to be...

Since China's reform and opening up, China's emerging third-party logistics providers investment main body presents a trend of diversification, management mechanism and market idea is market-oriented But the logistics enterprises of production operations are not familiar with or ability is limited, more...

The objective of this objective was to investigate the biomechanical effects of vibration intervention training on tendon in rats. Sixty rats were randomly assigned to four groups: rest control group, 25Hz vibration training group, 35Hz vibration training group, and 45-Hz vibration training group, 15...

With the development of information technology, especially computer networks, remote acquisition based on the Internet has become a new trend of measurement and control systems. In this paper, a versatile and configurable data acquisition system for measuring engine parameters is presented using the...

IEEE 802.15.3c standard is the first IEEE wireless standard for data rates over 1 Gb/s in 60 GHz band. The dissertation create a simulation system, which adopt the HSI PHY of IEEE 802.15.3c and OFDM modulation method, realize the full process from the transmitter to the receiver. By using three types...

In recent years, with the degree of the aged phenomenon becoming more serious, the nursing homes are developing rapidly, the scale is expanding and the management also tends to intelligent gradually. For the care and management requirement, a location-help system for the elderly based on ZigBee is designed...

Magnetic iron concentrate beneficiation process, in order to improve the grade of iron concentrate powder, electromagnetic magnetic separation equipment can be used to realize. The use of PLC technology, PID control of self-optimization control algorithm, by controlling the magnetic field intensity and...

In this paper, adding different Nd content of ZK20 magnesium alloy extrusion were studied Nd on ZK20 magnesium alloy extrusion and mechanism of influence of microstructure and mechanical properties, and optimization of Nd in ZK20 magnesium alloy added amount, in order to obtain comprehensive mechanical...

The problem of scheduling multiprocessor tasks in a multi-machine environment is considered. Each machine contains a number of identical processors. Each task requires a number of processors on a single machine for its processing. The objective is to minimize the overall task completion time, i.e. the...

The current situation, the need for clustering of data is very large, and the use of traditional algorithm for clustering process often tedious and time consuming is very long, the effect is not obvious. Based on this, this paper proposes a data sets EM probability based on some constraint information...

Automatic Identification System(AIS) is a way to transntificatifer large amount of information, overcoming barriers, resistance to weather influences, with ship shore, boat shipping information networking capacity and close global automatic identification system of the target display. Research directions...

Blueberry anthocyanins are the major active ingredients of blueberry with a variety of biological activities and have widespread applications in the fields of drugs, cosmetics, food additives and so on. However, the instability of blueberry anthocyanins is a big obstacle for their usage. Improving the...

In order to investigate the structural evolution and the capability of resistance to -ray irradiation of natural minerals, the zircon from metamorphic rock in the middle region of Hainan was investigated. The morphologic characteristic of cracked rocks was observed and zircon crystals were selected under...

Three -dimensional model of drag-bar for 2BQ -2 planter was developed through Pro /E the model was then transferred into ANSYS for analysis, and modal parameters of the drag-bar were calculated, natural frequency and vibration features of the drag-bar were determined. Modal frequency was concentrated...

It is hard for the starting and ending date of winter construction to be ensured. Since the periods change every year. A number of construction enterprises ignore its danger without taking winter construction measures during periods so that building project accidents often occur. So, how to confirm scientifically...

The control strategy of the cooling tower is an important factor in the optimal operation of hybrid ground-source heat pump systems (HGSHPS). This paper selected a hotel building of cooling-dominated area as the research object. We selected multiple control operating points of two commonly used control...

Explosive actuated device is one kind of electric-explosive initiator often be used in weapon and aviation and space flight equipments' executing system. As one of the important firing units in explosive chain, its quality affects the safety and reliability of whole system greatly. Therefore, when using...

Additional Smart Switch (ASS) is especially suitable for lighting power saving of existing buildings because its installation requires no wall damage and no rewiring. However, as a new device working in low light environment, it is a challenge for ASS to charge lithium battery with solar panels. This...

A more precise strip theory is adopt for the fist time in calculating the aerodynamic loads ,considering the elevation of the wind wheel spindle, the shearing of wind and the tilt angle of the direction when blades brandish. Subsequently, the dynamic inflow model will be considered separately on the...

ASP flooding has been extensively used in Daqing Oilfield, but due to heterogeneity of second-type layers and the sameness of injection parameters, different permeability zones have different production status. The study focused on the design and optimization of injection parameters of ASP flooding,...

With the development of the Ship Power Network automation, the relationship between the Ship Information Network and the Ship Power Network becoming more and more closed, and it causes information factors will impact the ship's fragile of Power Information Network at the same time, but there are not...

In recent years, all kinds of frequent occurrence of unexpected events, damage is very serious, affect the range is very wide. These sudden public events not only cause great loss of life and property, but also affects the social stability, and even endanger the national security, the economic society...

At present, the wastewater, produced in pulp and paper industry, which contains lignin molecules, is still difficult to treat due to the structure complexity of lignin. In this paper, the industrial alkali lignin (AL) was treated with a Violuric acid(VA)-mediated electrochemical degradation system, and...

According to the nonlinear problem of the trajectory optimization problem of rocket projectile, an improved optimization algorithm combined the direct model parameterization method and the sequential quadratic programming method was proposed. The direct numerical method was presented to converts the...

The particulate emission of GDI gasoline haven’t been paid special attention to due to the lower significantly particulate emissions than that of diesel engines. But in the last few years, some studies have shown that the particulate of gasoline engine have carried more harmful substances which can penetrate...

The examination mode of course is determined by the teaching contents, teaching methods and teaching purpose, while it also has an important effect on the teaching. In order to promote the learning of professional courses, this paper explores the evaluation ways of mechanical and electrical professional...

A new single-phase of the harmonic current detection method and compensating current control method are presented in this paper. It’s a simple algorithm and achieve more，fast response and real-time. This detecting method is fit for t single-phase parallel active power filters. The simulative result shows...

Software process management system, the needs analysis is the basis for all work and source, is a top priority. Requirements analysis, software developers, project leaders and team members and between the software developer and software on the client side, requires adequate and convenient communication....

Based on the fact that aggregate surface features have a great effect on the performance of concrete, a method for improving concrete performance by modifying aggregate surface features was proposed. Specifically, with aggregates immersed into concrete interfacial agent (CIA) suspension to increase the...

Composition and main material of seawater cooling systems of power units are stated briefly. Some corrosion and protection examples of seawater cooling systems are summaried. In order to protect overall seawater cooling system, the suitable material should be chosen firstly, and surface treatment such...

In this paper, a new lattice model of traffic flow with the consideration of the aggressive-driving behavior is investigated by Xiaoqin-Li et al. The model is studied by using linear and nonlinear analysis method. A thermodynamic theory is transformed to describe the phase transition and critical phenomenon....

This paper not only analyzes the research status of the wind turbine tower and its infrastructure, but also studies dynamic characteristics of the wind turbine by applying to the finite element analysis. In addition, the tower and the infrastructure are reasonably simplified by adopting the finite element...

Since the Japan's A.NISHI designs a wall-climbing robots prototype which based on the principle of negative pressure in 1966, wall-climbing robots technology has been rapid development in the world. No matter from the aspects of adsorption methods, movement forms or application ways have made considerable...

Using percolation mechanism, the geological factors and technological factors that affect the fracturing fluid were determined. Similar geological conditions and process factor, increased liquid yield of the production wells are also similar. However, the result of the oil increment is very different...

With the development of electronic technology, embedded system in domestic and industrial fields has been widely used, such as smart appliances, mobile computing devices, network equipment and industrial control field, which greatly improves the efficiency of production and life of people. On the other...

Operation of cargo ship transport in the production of a very important link. Stowage of containers directly related to safety and efficiency of maritime transport, how many feasible options in seeking a relatively optimal stowage plan to ensure ship safety, reduce transport costs, improve operational...

The paper study object is the CNC servo system, and it presented three closed-loops control strategy based on PMSM. Through dynamic mathematical model of current loop, rotational speed loop and position loop were established and simplified. The closed-loop regulator was designed. The system was corrected...

Agriculture is a giant and complex system, and agricultural problems are closely related to the time and space information. Information agriculture is based on the soil characteristics of crop growth, adjust the input of crops. The promotion of precision agriculture can improve the productivity of the...