Advances in Engineering Research

The performance of nitrogen and phosphorus removal in a pilot-scale anoxic-anaerobic oxidation ditch (OD) process was investigated. In order to achieve a high removal efficiency of nitrogen and phosphorus, the aeration was optimized and an anoxic zone was formed in the front of OD reactor, thus the operation...

With the development of science and medical industry, people pay more and more attention to their health status. And massive human health data are generated in this process. As an important component of the cloud computing technology, the open source framework Hadoop provides us with a platform for storing...

A Hamiltonian mthod is proposed to solve the steady state heat conduction problem. Due to the completeness property of the eigensolutions, any solution vector can be easily described by linear combination of the fundamental solutions. The method can be used to directly solve various boundary condition...

The hydraulic steering gear is an important equipment of the ship and its failure could contribute to navigation unsafely. With regard to the failure of a certain hydraulic steering gear and inspection of the steering mechanism, this article specifies reasons for the failure of the steering gear and...

Power system is an important part of power electronic technology application domain. With the rapid development of electronic power components and computer technology, power electronic technology has been widely used in power system. It is of great value and significance in stable operation of power...

In the process of operation, the loading condition of automobile steering knuckle is very complex, which seriously affects its structure strength and fatigue life. In this paper, finite element analysis is applied to calculate and analyze the deformation and stress distribution in steering knuckle under...

In PV microgrid control system, the delay and filter inductance value change will influence the response speed, stability and grid-connected current distortion rate of system. Therefore, this article proposes a power feedforward robust prediction dead-beat grid-connected control method. The system’s...

Concrete structures built in marine environment are susceptible to attack by chemicals such as chloride which diffuses into concrete structures and attack the reinforcements embedded in reinforced structures and break down the reinforcement protective layer. This paper presents the use of Abaqus Finite...

It was discovered that there was prominent interaction among transformer oil moisture content, acid value, furfural content and insulation paper polymerization degree during monitoring of transformer operation. Therefore, insulation paper aging and furfural generation under the action of thermal energy...

Due to the runway unevenness, random vibration will occur of aircraft landing gear during impacting and taxiing phase. In view of the simplified two degrees of freedom model of landing gear, the nonlinear dynamic equation of the system can be established. By using the military specification’s formula...

Aiming to the problem of running with the capacitor bank balance protection action causing tripping, by on-site analysis of the phenomenon and the capacitor discharge coil voltage ratio test checks, secondary coil voltage has relatively large errors caused by the tapped discharge coil. When the system...

Iron ladles tracking is the basis of BF—BOF iron production scheduling and is very important for the close convergence between the production of ironworks and steelworks. Recently in most of the domestic steel plants, the tracking of iron package is done by humans, which is unable to be timely access...

The development and stabilization of the society are related to the production and operation activities of Power Supplier, who undertakes great social responsibility. It is high qualified services of Power Marketing is the fundament of creating economic benefits. Setting out from the important value...

The nickel deposits of different microstructures were obtained by electroforming with abrasive-assisted, .The effects of friction strength on the surface morphology and the microstructures of the deposits were studied. The results indicate that the deposits with homogeneous microstructures were obtained...

This article tries to find an arbitrage strategy in the gold prices market of China. And the method is the linear regression based on the time serious date, the gold price, the gold companies’ stock prices and other metals prices from 2002 to 2014, and the data of different period, so we tried to test...

Arch dam is a water retaining arch structure that convex upstream on the plane, the stability of arch dam does not need to rely on its own weight in water to maintain, mainly using the reaction of the bedrock of arch side to support and the section of arch ring mainly bear the axial reaction force, which...

Chlorophyll-a concentration is an important parameter of the Southern Ocean water environment, and is influenced by factors such as melting sea-ice and so on. This paper validated and justified the applicability of chlorophyll-a and sea-ice extent derived from MODIS data in understanding the spatial-temporal...

To improve the long-distance transmission cable interface test automation level, proposed feature extraction based on the type of adaptive signal recognition technology. Through various types of interface signals in time domain and frequency domain characteristics analysis, using interpolation to achieve...

The paper analyzed a steel thick cylinder, established a bilinear kinematic hardening model based on the von Mises yield criterion. We also considered the parameters of the material yield limit, the autofrettage pressure, working pressure and cylinder diameters, studied of a response surface model to...

In this paper, first of all, how to realize the real-time positioning of the robot by the inertial sensor was discussed. Secondly, how to realize the real-time positioning of robot by visual sensor was discussed and researched deeply. Finally, combined with low-cost inertial measurement unit (IMU) in...

Agricultural expert system has been widely used in developed countries, but these cutting-edge technologies have not been universal used in the China's agricultural production, because terminal equipment is inconvenient to carry and complicated to operate for farmers. Under this situation, this thesis...

Non-contact surface flow field measurementhas been widely applied in many engineering applications. This study developed a channel instantaneous flow field measurement system based on calculation of optical flow. Some key issues including spatiotemporal filtering and additive fusion, perspective correction...

Precisely making a judgment after a chemical weapon attack in the battlefield on its hazardous effects is the fundamental work in order to perform a safe and whole chemical defense in the army. In this article, the author has conducted a throughout analysis on its antipersonnel effect, delaying effect...

With the rapid development of China's economy, the urbanization process continues to accelerate, increasing the amount of large construction projects, at the same time because of the environmental pollution problems caused by the construction of more and more serious. In this paper, the construction...

The working environment of engineering mechanical arm hydraulic drive system is complex. The response indicators of the hydraulic drive system need a higher requirement. The conventional PID control method is limited to the complexity and imprecision of the mathematical model of the hydraulic drive system,...

Most glass composites products in engineering are manufactured by a pultrusion process. Because the pultrusion process is affected by many factors, it is not easy to control the performance of products. In order to obtain good performance and meet the requirements of glass composites products in specific...

In this paper, we introduce the Hamiltonian system to study bending problems of elastic cantilever-beam. The variational method and the variable seperation method are employed to establish the dual governing equations. Due to the completeness property of the eigenvectors, the solution can be expressed...

Most of the aircraft skin parts are with small curvature and the most difficult problem is the controlling of springback. In this paper, the comparison for springback between high-pressure water jet forming and stamp forming is presented by using software ABAQUS. The springback of the high-pressure water...

This paper analyzes the two kinds of classic traditional association rules algorithm Apriori and FP - tree which those are advantages and disadvantages .In order to solve the Apriori algorithm for mining association rules requiring multiple scanning database and generate a large number of candidate frequent...

In this paper, the influence of distribution line tripping is analyzed by means of the combination of distribution line tripping case, from equipment, user influence, external factors and natural factors. Power distribution line tripping accident occurs, which affects the economic benefit of power supply...

The quality difference of data itself cause low credibility of data mining conclusions, which has become an important factor affecting the application of data mining. The cleansing algorithms and tolerate algorithms designed in view of incomplete data can not solve this problem fundamentally. By means...

In view of the TV guided missile terminal guidance phase of visible light image information intra- frame of fuzzy focuses on the characteristics of the low frequency part of image, the lifting wavelet improvement are introduced to the blur image restoration field of terminal guidance phase intra-frame...

The fan coil systems are employed to create a satisfied built environment by some feedback controls. Sensor is one of the most important components in the whole system. Unfortunately, Due to the long term using, sensors fault would occur unavoidable. It is significant to reduce the energy consumption...

In order to solve the problem of high fruit drop rate of Zizyphus Jujuba ‘Zhanshanmizao’, this experiment used Z. Jujuba ‘Zhanshanmizao’ as material, throught measuring the fruit drop rate and organic nutrient changes with different tree vigor, to study the dynamic change and drop mechanism of fruit...

Cyberspace security is an important aspect of national security strategy, and cyberspace experiment needs to construct a realistic test environment. In addition to hardware, software and basic service, the network traffic simulation is also an important aspect of test environment construction. This paper...

The steel lined reinforced concrete pressure penstock is a new kind of structure design form. Lots of structural model test results and prototype observation data indicate that under initial water pressure stress, the steel lining and outer wrapped concrete shell can work with the good joint, joint bearing....

Lubricating oil can be easily polluted by water, thereby negatively affecting the lubricating property. A single technological method is difficult to develop for efficient demulsification and dehydration of emulsified lubricating oil. In this paper, we propose the combination of swirl centrifugal field...

At present there exists some problems and shortcomings in loading system for coal mine enterprises, such as can not realize comprehensive management real-time monitoring and remote control. Aiming at the loading system’s defect of information “lonely island’’ ,this paper based on the analysis of coal...

As the most commonly used method in speed governor for marine diesel engine, PID control method is not very effective for nonlinear systems with big variation of parameters. To improve the dynamic precision of diesel speed governor, a fuzzy PID hybrid controller of parameter self-adjusting is put forward...

With the rapid development of electronic business, many online group-buying websites emerged, these websites provide products or service to customers with a discount. What kinds of products can increase customer purchasing intentions still an austere fact in the face of competition for the managers of...

With the formula of transforming the vague value to the Fuzzy membership, the decision method based on the Vague set distances was put forward. In the decision program, the Vague set distance is the measure way to evaluate if the designing scheme approaches the expected scheme. The smaller the distance,...

Conventional engineering optimization design technology is often computational expense and highly time cost, thus we need to take approximation technique to speed up the design process and reduce design cost. We herein would introduce the close-top mill housing optimization model, take Optimal Latin...

The convoluted nature of contemporary architectural design stands as an innovation trend. However, this tendency could hardly be supported by traditional computational assist design technique. The purpose of this research is to present digital morphogenesis technologies increase the accessible of generation...

The reinforced technology by using FRP sheet has a certain application in practical engineering, it basically adopts the passive paste of non prestressed FRP sheet to raise the bearing capacity of components. Carbon fibre has high tensile strength and modulus of elasticity, but the ductility of the carbon...

This paper presents a system designed for automated nucleic acid extraction machine based on magnetic bead separation method. A hardware platform has been established which consists of motor controlling module, temperature controlling module and a computer; also, we designed the system software to achieve...

In order to realize the process mechanism that Shewanella oneidensis(S. oneidensis ) reduced uranium(VI), and improve its reduction effect, the reduction mechanisms of uranium with S. oneidensis were studied by FTIR, SEM, EDS. The results show that after the S. oneidensis reduction of U(VI), the cell...

With the rapid development of substation automation and network communication technology, IEC61850 standards promulgated and implemented, the traditional substation has been a gradual transition to the smart substation. In the collection intelligent substation energy measurement technology realized the...

This paper builds up the basic framework of the Assistance Decision-making Support System for Smoke Screen Support by analyzing the Requirements and Functions of the Assistance Decision-making Support System for Smoke Screen Support and the auxiliary decision-making procedure for typical combat patterns...

In this paper, we introduce the symplectic method into the quasi-static analysis of the viscoelastic circular cylinders, with the emphasis on the local effects. By using the of variable separation method, all the general eigenvectors of the problem are obtained analytically. The traditional Saint-Venant...

In this paper, a nonlinear control method used to make two different chaotic systems achieve synchronization within finite time is designed based on the sliding mode variable structure control theory and the driving response control method. In this method, the reaching law of the sliding mode variable...

The video surveillance system is a more direct monitoring means, widely used in industrial production, transportation, electricity, office buildings and residential areas. Plenty of remote monitoring systems adopt the mode to collect and compress data through local end and remote monitoring center to...

He traditional human-aided medical guide service costs heavy human resources. The on-line medical guide service is almost human-aided and has uncertain waiting time for patients. Existing medical guidance systems still have insufficiency for improvement in reliability and correctness. This paper proposed...

For wireless sensor network (WSN), the first step is to deploy sensor nodes effectively into the target area. In fact, node deployment will greatly influence the lifetime and performance of WSN system. In this paper, we summarized the evolution of sensing models frequently used. Some main models' property...

One catalytic discoloring spectrophotometry with double indicators and dual wavelength is proposed in the Thesis to measure the content of trace iron in three kinds of hematinic, artemisia integrifolia and other vegetables. In HCI medium, methyl orange and methylene blue are indicators. At wavelength...

Aiming at cam indexing mechanism, this paper, considering the influence of elastic deformation, bending and twisting factors, combining the knowledge of rigid-flexible coupling Dynamic System, established the rigid-flexible coupling dynamic model of globoid cam indexing mechanism with six degrees of...

The inverted siphon straw is pressure water pipeline which convey cannel water through valley, river, road, depression, or other channels, and it is a kind of channel cross building, is one of the most important buildings in irrigation engineering. In order to the stress and deformation distribution of...

Noise from the power substation is an arousing environmental issue in recent years. Noise has also been strictly required by GB12348-2008. Noise measuring on certain power substation stations show that noise indices in most stations exceed the Class 1 level according to GB12348-2008. Porous aluminum...

the study of the change of water jet in submerged condition is an important foundation of the exploitation of offshore hydrocarbons depending on water jet technology. The characteristics of the flow field structure in different confining pressure conditions are analyzed theoretically and numerically....

The parametric design macro programs of two basic types of single-layer conical shell are developed by using APDL(Ansys Parametric Design Language) parameterized design language.The parametric design of single-layer conical shell structures can be built under the condition of giving the macroscropic...

In order to explore the effect of covering on the natural dormancy of jujube, 7-year-old Ziziphus jujuba ‘Zhanshanmizao’ was used to study physiological index such as the content of water, Carbohydrate, soluble protein and free amino acid by different shed time (December 5 th, 2016, December 25 th, 2016,...

With the rapid development of computer and wireless communication technology, multimedia communication on mobile terminals has also been a growing concern of people. Traditional communication mode of the client is too conservative, will produce large errors, strong constraints. To compensate for the...

Based on the discrete element software EDEM, the bond model is created and introduced to realize the dynamic simulation of the whole process of the material entering the roller surface and being pressed. The analysis of pressing four particle size lignite at two speed shows that the diameter of a ball...

The aim of this study was to investigate the surface morphology, hydrophilicity, and effects of sandblasted and acid-etched Ti, Ti6Al4V, and Ti6Al7Nb on the bioactivity of osteoblasts. The surfaces of Ti, Ti6Al4V, and Ti6Al7Nb were treated with Al2O3 sandblasting and a hydrochloric acid–sulfuric acid...

A class of autonomous underwater vehicle (AUV) heading control problem is addressed in this paper based on Mamdani Fuzzy Inference (MFI). Firstly, empirical knowledge of heading control for ship from experienced captain is fuzzed into fuzzy control rules, which can be identified by computer, using fuzzy...

In order to enhance the degradation of Di-n-octyl phthalate (DOP). One bacterial strain was isolated from activated sludge of waste water treatment plant(WWTP) using Di-n-octyl phthalate (DOP) as the sole source of carbon and energy. According to the phylogeny of 16S rDNA sequence, the bacterial strain...

This study designed an automatic monitoring system for non-contact measurement of the surround rock deformation in underground tunnels in an unattended operation mode. This system can automatically and periodically monitor the deformation of the surrounding rocks in underground tunnels with low power...

The high temperature heat pump water heater experiment of R1234ze was established, and the performance of water heater was studied on different conditions. The experimental results show that the water heater of R1234ze has shown good performance, which the discharge temperature is no more than 110 Cand...

In this paper, the governing equation of static analysis for frame structures is presented with the geometric nonlinearity considered. In the process of derivation, the updated Lagrange format is adopted. It is deduced for general three-dimensional solid elements first and then simplified for one-dimensional...

The face recognition technology is mainly according to those characteristics that exist large differences among different individuals and are relatively stable for the same person. Which feature forms that will be adopted concretely vary with diverse recognition methods. The static face recognition methods...

Rotor structure design technology often employed finite element analysis software (ANSYS), which are computational expense and highly time cost and need to employ approximation techniques. We herein studied a Kriging Model-based approximation technique, and applied it to optimize rotor structure. Firstly,...

This article mainly introduced the desulfurization effect of different desulfurizer on coal under the same condition. The results showed that: in the single metal oxide desulfurizer, CaO desulfurization effect is obviou; the compound desulfurizer ZnO-CaO desulfurization effect is best, and the two classes...

In order to meet the requirements of decoration on a variety of colors, this study with ammonium molybdate and sodium phosphite as coloring liquid ingredient made use of wood through electroless Ni, dyeing to change the wood surface color single situation after electroless plating to find the best technology...

Debris flow is a kind of natural geological disasters occurred in the mountains areas,caused by a special flood along the steep mountain valleys or diarrhea elicited by flood erosion, which contains a large number of mud, sand, stones and other solid matter. The mechanism of debris flow occurrence and...

This paper introduces several common shortcomings of work gloves in electric energy measurement, and focuses on the disadvantages of the spandex gloves; it expounds the method and technique principle of multifunctional gloves for electrical work and introduces the main parameters and field application...

This paper’s objective is to solve the problem of China’s Oversea Mineral Resources Exploration and Development. Based on the similarities and fundamental differences between Japan and China, we analyzed the experience of Japan’s useful ideas, and we also compared and analyzed the strategic configuration...

With the development of Chinese economic growth, energy consumption is growing. Among them, the gas is an important energy source of urban living, and its consumption has increased year by year. In this paper, based on the data aggregation platform, and residents daily natural gas consumption data in...

This paper mainly makes the research of the influence on internal force and displacement of non-abutment slant-legged rigid frame brige by different span ratio. The results of the research indicate that as the change of span ratio,the internal force and displacement of each control section of brige structure...

In this study, a measurement system is developed for obtaining continuous piston temperatures in working engine by using a voltage recorder. In this paper, authors discuss the sensor package impact of test results in temperature measurement, and measured the piston temperature when the CNG engine was...

The Augmented Reality system based on KAZE algorithm is to do nonlinear diffusion filtering by the additive operator splitting algorithm. In this way, the problem of blurred boundaries and detail missing can be solved. A stable nonlinear scale space is constructed by using arbitrary step to search the...

The first integral method, based on the theory of commutative algebra, is an efficient method for obtaining traveling wave solutions of some nonlinear partial differential equations, which is applied to solve (3+1) dimensional Kadomtsev-Petviashvili equation in this work. The traveling wave solutions...

in architectural decoration process, pressure-bearing capacity test is the foundation of design, and is very important. To this end, a pressure-bearing capacity test method in architectural decoration design is proposed based on improved genetic algorithm. The selection, crossover and mutation operators...

A two-shaft omnibearing scanning mechanism was designed as carrying device for full polarized microwave radiometer, and the 3D model of two-shaft omnibearing scanning mechanism established in CATIA environment was imported into ANSYS finite element analysis software to establish a finite element model...

Using component technology of the.net platform, the establishment of an area of topsoil image database management information system. This system mainly storage and query cultivated land in the form of image information data. It allows the user to intuitive understanding of the system information of...

The study examined the response of MG63 to Enamel Matrix Derivative (EMD) on the coarse-grit-blasted and acid-etched surface disks. We characterized associated changes in proliferation and differentiation related intracelluar signaling molecular including mitogen activitied protein kibase. The major...

This experiment studied the effects of different concentrations of gibberellius (GA3), naphthalene acetic acid (NAA), and 4-chlorophenoxyacetic acid (PCPA) on the fruit drop rate and quality of Ziziphus jujuba ‘Zhanshanmizao’. The results showed that spraying NAA reduced the fruit drop rate of Z. jujuba...

With the rapid growth of logistics, it is important to gain further insight into the strategic benefits of logistics services. The study examines the current situation of Korean domestic 3PLPs. Based on the discussed background, the study analyses Korean domestic 3PLPs from four aspects (strengths, weakness,...

Application of the Hydromechanics and the Momentum theorem, the driving critical velocity on wet pavement formula is established. It presents the tire-water-slope finite element modeling process. Through comparing the deformation rule of the loaded tire on horizontal ground and slope ground, analyses...

In this paper, the governing equation of dynamic analysis for frame structures is derived, with geometric nonlinearity considered. In the process of derivation, the updated Lagrange format is adopted and the elemental equilibrium equation is established at current configuration and then transformed into...

Along with the rapid development in modern science and technology, the equipment in every manufacturing industry and field has been constantly renewed and upgraded. It is the same case with the equipment of power enterprises, which have been enhanced under the general background of scientific and technological...

Mega-sub structure is a new type of structure system of shock absorption. In order to give full play to its shock isolation performance, in this paper we utilize the finite element method software ANSYS to establish isolation bearing units evenly arranged in the bottom of the substructure column, which...

Recently, two-dimensional atomic layers of transition metal dichalcogenides (TMDs) have drawn more attention because of their remarkable electronic and optical properties. How to effectively identify the number of TMDs layers becomes an important issue. Here, we report the determination of the number...

Using mechanical blending of carbon nanotubes (CNTs) composite urea-formaldehyde (UF) resin adhesives. The ultrasonic time, the amount of CNTs, ultrasonic power orthogonal experiment was carried out. It is concluded that the important order of effect factors on free formaldehyde emission to UF resin...

In order to satisfy the requirements of power operation scene safety monitoring, and lessen the human accidents, wearable technology was applied to power operation scene, and a wearable safety monitoring platform was presented. This paper illustrated the solution of the platform, the design of smart...

Switchgear charged for fault detection, principles and methods the live test from switchgear partial discharge, analyzes the use of ultrasonic detection assays and transient voltage for the switchgear cabinet feasibility of fault diagnosis; using a combination of switchgear partial discharge founding...

A massive data management method was proposed based on RAID5 against limitations of data expansion, and a lack of automatic data recovery capability in current virtual roaming system: the panoramic data is separated from the roaming system as an independent panoramic data service system (PDSS), and distributed...

This paper deals with the dynamics and vibration analysis of an industrial Delta robot when performing high-speed pick-and-place operations. The transitions between the vertical and the horizontal segments of the pick-and-place trajectories are smoothed using either Lamé or cam curves. Using a simplified...

Output power of photovoltaic cells is greatly related with light intensity and temperature, in order to achieve maximum output power, it is necessary to implement maximum power point tracking (MPPT).This paper analyses misjudgments, oscillations and energy loss during MPPT by fractional Open-Circuit...

Critical path management is an important way for controlling the schedule of an engineering project, it always difficult to describe by a precise manner for the uncertain characteristic. In this paper, the interval number is applied to describe the uncertain characteristic, and a preference indexes are...

Traffic informationization is an important carrier and means to realize intelligent transportation, and also a key factor to promote the strategy of a powerful nation in transportation. According to the content and characteristics of the evaluation on the development of transportation informatization,...

This study is focused on audio streaming synchronization problems of multimedia network. Audio streaming synchronization issues of multimedia network directly affect the development of multimedia technology. To this end, this paper presents a multimedia network audio stream synchronization method based...