Advances in Engineering Research

The design parameters, central beam high-span ratio, high-span ratio at root of the beam and beam bottom parabola, on continuous rigid frame bridge girder were valued in an appropriate range. Based on orthogonal experiment and numerical simulation, the effects of above parameters to the comprehensive...

Disc pad for vehicle rear axle application has one critical requirement -- static µ. Static µ is the key factor for vehicle parking on slop with hand braking only. How to simulate vehicle hand braking and rear axle working principle, programming for vehicle disc pad static µ test by Dynamometer is necessary...

Efficient data mining model design for a large database in the cloud computing environment is studied. For large databases efficiently mining problem, an efficient data mining model in the cloud computing environment based on improved manifold learning algorithms is proposed. The use of nonlinear manifold...

Highway road conditions are changed largely in the reconstruction compared to normal operation, with traffic capacity falling down due to lane closures changing lanes frequently caused by merging compulsory, and more accidents resulting from vehicle conflict. Based on VISSIM simulation software, this...

With the rapid development of social economy, Science and technology level are increasingly improving, especially accelerated pace of life, People demand for fireproof, anti-theft and anti-gas equipment is greatly increased, and for theft, fire and other accident monitoring and alarm system requirements...

Particle size distribution of fly ash conforming to variable distribution functions were obtained. Fractal dimension of the fly ash were calculated and mechanical properties of the resulting mortar were studied. The results show that the fractal dimension of fly ash with varied particle size distributions...

Simulations of local compression on the centers of plain concrete square columns with rebar meshes and plain concrete square columns were conducted by means of the finite element analysis software ANSYS. The results show the distributions of longitudinal stress is basically consistent between the plain...

As a special commodity, electricity has the characteristics of the being produced and used at the same time and it is not physical visible. In order to avoid the loss in circulation of electricity, we should have a thorough understanding and accurate recognition of “power”. The watt-hour meter measuring...

Along with the development of Smart Grid, a large number of intelligent terminal equipments are used in power grid. The environment, the means, and the targets of load forecasting will been greatly changed. The load forecasting systems have outstanding heterogeneous problems. Forecasting models cannot...

In order to make rationally use of the original data and improve the data fitting precision of the sine waveform, the owe period fast North-Seeking method of the polynomial interpolation is based on the least square method. According to the character of the large deflection north point data, the polynomial...

In order to obtain good circular polarization, parallel metallic plates are used for large-scale rectangular waveguide slot array antennas to achieve pure linear polarization at first. It is found that these plates not only suppress cross-polarization, but also influence the original amplitude distribution...

Aluminum alloy structural hangers are widely used in subway vehicle. The advantage of aluminum alloy is light weight and corrosion resistance. For different application fields, the structures of aluminum alloy components are very different. They are typically lighter for the same strength and provide...

In this paper, a modeling method of coordinated control object of supercritical power plant unit is studied. Combined with the actual operating history data of the power plant, by using experimental modeling method, this paper firstly gets the modeling structural according to the dynamic characteristics...

A pot experiment was conducted to study the effects of intercropping density different density (1, 2, 3, 4 and 5) of cadmium (Cd) hyperaccumulator Galinsoga parviflora on Cd accumulation of radish. Intercropping different densities with G. parviflora decreased the growth of radish, and increased cadmium...

It takes Zizyphus jujuba 'Zhanshanpinguozao' as the test material. Changes of Ascorbic Acid content in four stages (young leaves, spreading leaves, mature leaves, senescent leaves) of jujube leaf development, jujube flowers and five periods of fruit development (Young fruit period, green mature period,...

Optimizing Si/Al is 25, 38, 50, 80 four kinds of models of Na type molecular sieve, 1 mol/L concentration of ammonium nitrate by immersion, mixing, filtering, by means of the modified roasting, prepared a variety of models of H-ZSM-5 catalyst for synthesis of diethylene glycol methyl ether acetate(DGMEA)....

The extraction of copper from highly oxidized copper ore in sulfuric acid solutions was examined in Yunnan Province. During the leaching of copper, the leaching rate of cuprous concentration was affected by various parameters such as particle size, leaching time, the weight ratio of liquid to solid and...

High voltage and large current dynamic test for SiC diodes and hybrid module was studied. Then high voltage dynamic test for 1700V-25A 4H-SiC junction barrier schottky (JBS) diodes and high current dynamic test for a 1700V-200A half-brige SiC hybrid module were performed. With the change of test conditions,...

To improve the classification accuracy of defects, a novel algorithm has been developed based on dual-parameters optimization of the principal component analysis (PCA) and the linear discriminant analysis (LDA). The original defect images are transformed to eigen-defects by PCA which contains all features...

The prime aims of the cold-chain transportation quality control are to guarantee that the temperature control is uninterrupted, the quality of the goods is intact, and to prevent "chain breaking" which constitute the greatest threat to cold-chain transportation. As per the requirements of Hazard Analysis...

In the process of architectural design, sectional shape is used instead of original shape. Shear isolation design combined with reinforced blockade, make up for the lack of original wall bearing capacity, stiffness and ductility, energy, lack of hysteresis characteristics. In order to determine the effectiveness...

The glass concrete saves a lot of sandstone resources and it solves the problem of waste glass reuse at the mean while. There are many researches on the application of glass concrete in civil engineering field at home and abroad. The theoretical achievements are remarkable, but the practical application...

It’s usually a complex computing process of mechanical transmission components design. In this paper, a flexible and efficient method has been adopted based on the behavioral-characteristic modeling technique of Pro/E software and the powerful computing function of MathCAD software to optimize the gear...

To effectively characterize the topology and geometric information of 3D CAD models, trees, graphs and other non-linear data structures have become the important descriptors of 3D CAD models. However, the matching based on tree or graph is still the main bottleneck of 3D CAD model similar evaluation....

This study adopts urban flood control systems into a cellular automata flood model (Caflood) for simulating the temporal and spatial evolution of urban flood. Caflood, which is different from the traditional hydrological model, using the cellular automata (CA) technique to simulate storm flood. The paper...

The phononic crystal (PC) concept is introduced to the floating bridge, in order to reduce the flexural vibrations. Four kinds of PC floating bridge models, including the identically hinged and two-component rigid connected, section-hinged, cell-hinged cases are defined. The corresponding structures...

The stability and reliability of airbag controller determines the security of the whole vehicle cabin system, but because of it’s complex internal structure, it’s hard to test every main function before leaving factory, at the meanwhile, multiple testing may cause damage or unwanted fault codes for products,...

Smart power utilization service is an important part of the grid, and its core to realize the intelligent service for users is to build a real-time interaction platform between the grid enterprises and users, which can improve the stability and reliability of power supply, and provide users with more...

This paper analyzes the image of the marginalized other animals in Coetzee's works by analyzing the images of animals commonly found in Coetzee's works, combined with ecological criticism and ecological feminism, and interprets Coetzee's ecological ethics and morality view.

Anycast is a new mode of communication to balance load and improve network quality. Due to the presence of cross service issues, it makes a great decline in service efficiency. In order to solve the problem above, this paper proposed a particle swarm optimization algorithm (CPSO) based on chaos from...

For the lack of ecological planning and the weakness of ecological construction in the development of small towns, based on the idea of ecological civilization advocated in the new pattern urbanization, combined with the conceptual planning in Qindu, Hu County, the strategies and methods of ecological...

Based on the development and application of the first 220 kV smart substation at Liaoyang Power Supply Company of State Grid Corporation of China and substation automation abroad, this paper expatiates the necessity of intelligent substation equipment and the composition and characteristics of the smart...

This paper introduces a kind of the harmonic motion curves, which characterized by multi-harmonic component, and the expression form can be divided into two cases: general Cam mechanism and indexing Cam mechanism. Combined with the instance, it compares the characteristic values with other commonly motion...

There are still many difficulties in realizing the green development of the automobile enterprises under the low carbon economy.In this paper,The author analyses the difficulties of realizaing the green development, and finds out the path of achieving the green development of the automobile enterprises...

The experimental material is ‘Red Globe’ grape that is taking shelter from rain. Use different concentrations of SUNRED on the grapes, when the color of grape is turning. Then study the effect of color and quality of fruit. The results show that, SUNRED 1000 times could promote the grape coloring. The...

Research on medical assistant robot makes Biomedical Engineering Experiment get rid of the dependence on training special operations personnel to complete a high efficiency, high success rate and high difficulty of the operation. It could be a revolutionary change in the means of biomedical engineering...

By studying on the transport laws and reaction dynamics for microorganisms in porous media, a comprehensive three-dimensional, three –phase mathematical model was established to reflect the mechanisms for microbial enhanced oil recovery. The components in this model included oil, gas, water, microorganism...

With the stress of working and living increasing day by day, a fairly large number of people have been in the state of sub-health. Therefore, in developed countries, health problems have become a social focus which cannot be ignored. In this paper, we utilize rich functions of smart phones, make them...

The transverse offset center of gravity of goods is one of basic railway technical standards. The current in our country states: The transverse offset center of gravity of goods should be less than 100mm.This rule quoting The Soviet Union's 1950s rules is lack of basis. It just meets the derailment coefficient...

under the intersection of microelectronic technique, computer technology and wireless communications, embedded technology with low energy consumption breeds the new WSN technology, which is universally applied in fields such as science, medical treatment, business, national defense etc, which reveals...

Since EU ETS established in 2005, the international carbon emission trading markets have been running for 12 years, while China's Pilot ETS just for three years. However, owing to the high level carbon emissions, China's carbon emission trading market has a huge development space. The first part compared...

Wide-area power system reliability research contained within the substation and transformer substation network communication between the wide area communication network reliability research. Substation is the basic component of power wan system based on the substation building local area network is a...

Two finite element models based on PATRAN/ NASTRAN are carried out to determine the nail load distribution of double lap structure with composites and metal materials. And the results were compared with the classical stiffness algorithm to verify the simulation model is effectiveness to calculate pin...

In order to get the engine simulation model used for the development of control strategy, the offline model and real-time model of self-developed gasoline engine by FAW of direct-injection turbocharging were built based on AMESim software. The results of simulation were compared with that of actual engine...

The permanent-magnet brushless DC motor (BLDCM) has achieved a brilliant application in household equipment industries, since it has specific advantages. The cost control has become a main problem, on the low-end of the market whose customers were more sensitive to the price. To this a low-cost brushless...

The structure of the airborne evaporation circulatory system is under the influence of the variety vibration caused by the helicopter during the long time running, which will cause the structure damage. The PSD analysis method is introduced into the random vibration analysis of the structure of the airborne...

Establishing the mathematical model of energy consumption of chillers, pump, cooling towers, air conditioning units and coils in the conventional air conditioning system. Analyses energy consumption factors from experiments and simulations to provide the optimized variable flow scheme for the whole central...

The hot deformation behavior of INCO718 alloy was investigated by hot compressive tests with Gleeble 3800 thermal simulator in the temperature range from 950 C to 1150 C and strain rate range from 0.1 s 1 to 10 s 1. In consideration of the temperature, the flow stress curves were corrected by one simple...

In this paper, four anti-interference detection methods based on a CW small-signal are discussed separately. First the basic principles of various methods about the energy identification, frequency discrimination , SNR identification, pulse width identification are introduced, and then their advantages...

Energy conservation has become China's sustainable development, the only way to ensure the long-term interests of the Chinese nation, but also to deal with the urgent need for global energy crisis and climate change. As a crucial part of the power system energy consumption and secondary energy supply...

To study the bearing characteristics of composite foundation with long rigid piles and short flexible piles, the light dynamic penetration and the static loading test are used base on comprehensive testing and analysis of soft soil characteristics, and combining with the treatment design parameters of...

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...

With the development of Internet, a large amount of users purchase product, book hotels, buy goods from the web. They also share their experiences on the web. Other users can read the reviews or rating scores to choose the products or services. The user is difficult to read the information, since the...

In dealing with the problem that basic SFLA neglect the information exchange between individuals and sub-population in searching optimal solution, this paper proposes a new improved SFLA based on update rule of the Gravitation Search Algorithm. Based on the ideal from gravitation algorithm, the new SFLA...

Pulsar study is one of the important issues on radio astronomy; however, the quality of pulsar observations is affected by the spectrum overlaps with navigation signals. Actually, pulsar signals and navigation signals are usually overwhelmed in the noise. Thus this paper focuses on the application of...

With working frequency voltage and current, mutual inductance voltage up to 30kV and mutual inductance current up to 50A, measuring instruments can not offset mutual inductance voltage and mutual inductance current interference. The current test mutual inductance parameter must be the same poles of two...

As water resources are closely related to people's life and production, the proper demonstrating and effective utilizing water resources has become a very important strategic issue. Water argumentation for coal mines and recovery of mine water are contributing for water saving, water resources protecting...

The stress dilatancy theory has been succeeded in demonstrating the deformation properties of clay. However, the deformation behaviors of rockfills are related to the stress and its initial state, so the stress dilatancy theory cannot apply to the rockfills directly. We take the state-dependent dilatancy...

To reduce the permeability of clay liner, and make it has anti-cracking performance. Permeability and anti-cracking properties were studied on different Silica fume added to clay liner. 0、10%、15%、20%、15%、30% of the clay is replaced by silica fume at optimum water contents. It is shown by test results...

Spherical composite ribbed shell is made of thin reinforced concrete shell and composite ribs, which has many advantages such as large span, high rigidity, and large bearing capacity and low cost. It is one of the urgent issues to considering the mechanical performance under dynamic loading. Based on...

In today's society, the development of green economy has become an important trend. There is a large population base in our country, and the resources is relative short, as well as the environmental carrying capacity is not strong. In recent years, faced with increasingly severe sandstorms, PM2.5 pollution...

The main objectives of the present article are in simulating the collision phenomenon between two liquid droplets and in discussing the influence of Weber numbers on droplets collision. The investigation is completed based on the finite volume numerical solution of the Navier-Stokes equations, in the...

Aiming at 5-dof parallel tripod head, the integrated parameter modeling of parallel mechanism with less degree of freedom is researched in this paper. Firstly, the kinematics parameters analysis of each component of 5-dof parallel mechanism is carried out and kinematics model of 5-dof mechanism is established,...

The longitudinal location precision of the missile borne electronic reconnaissance equipment is not enough. In order to strike the target more accurately, the method of missile-satellite cooperative passive location is proposed, based on the study of the concept of cooperative location, the hierarchy...

Compression tests of five groups of concrete specimens with different plastic particles (0%, 5%, 10%, 30% and 45% aggregate volume ratio) are carried out. The results show that, the incorporation of plastic particles has significant influence on the mechanical properties of concrete. With the increase...

The combination of carbon footprint and urban transportation planning is significantly meaningful to the construction of urban low-carbon transportation. This dissertation studies the emission of carbon dioxide and air pollutant such as carbon monoxide, hydrocarbon, nitrogen oxide during the process...

In foggy conditions, acquired images have low contrast ratio and low scene visibility problems. The traditional defogging algorithm has high time complexity and low speed characteristics and can not be applied in real-time image processing. Thus, a single image restoration method based on mean filter...

Reserve ancillary service is necessary to maintain the power system operation reliability. It is trended now to be procured under the deregulated environment in order to improve the enthusiasm of reserve ancillary service providers. Therefore, a reasonable reserve market mechanism in which all the necessary...

Nowadays, more and more users share news and information in micro-blogging communities such as Twitter, Tumblr or Plurk. With the increasing number of registered users in this kind of sites, finding relevant and reliable sources of information becomes essential. For recommending sufficient information...

With the rapid expansion of biomedical literatures, it provides an opportunity for mining biomedical knowledge from the huge amount of biomedical text. Entity recognition is a challenging task of biomedical text mining. In this work, we described a method to identify biomedical entity based on Conditional...

Gear strength analysis is important to gear drive design, and its calculating accuracy is mainly decided by gear model. Several factors influencing the spur gear model building accuracy by finite element method (FEM) are presented, including geometric model and boundary, loading position and load types....

In recent years, with the rapid development of the sharing economy, sharing bicycles as a new form of sharing economy, has solved the pain point "the last mile" of the distribution pattern of urban public transit and subway, which plays an increasingly important role in the efficient urban road traffic...

USV's hull form optimization is a multi-objective optimization problem, which involves coordination and unification of performance in all aspects. To determine the sensitivity to overall optimization including rapidity, maneuverability, seakeeping and overturning of the USV was an important aspect in...

This paper analyzes the principle and test method of the grounding resistance. According to the analysis and calculation of the lightning accidents, prove the relationship between counter attack lighting and the grounding resistance. We also describe the basic principle of grounding resistance test....

In recent years, environmental concerns call for the reduced of cutting fluids in metal machining. The green manufacturing techniques are investigated to achieve the objective. In this paper, for the aim of green cutting, the dry electrostatic cooling was applied instead of cutting fluid. The effects...

This paper is about the static error measuring strategy of five-axis CNC machine tool basing on the touch-trigger probe, which is the mainly measuring tool to detect the static error of the five-axis machine tool of RTTTR and RRTTT topological structure. According to kinematic chain of the five-axis...

The sewage sludge and banana peel are typical solid wastes. In this paper, sewage sludge and banana peel blends were used as raw materials for the preparation of mixed waste biological carbon. Adsorption performance of Cu2+ and Pb2+ at different raw material ratios were investigated. The results showed...

A novel method was used in the study of magnetosensitivity in model insects. The equipment was self-made in our laboratory to detect the magnetic choice behavior of insects. The device includes a perspex frame, a coil system, an illumination system and a choice apparatus. The perspex frame is used to...

This work reports a new method of producing nanostructure arrays on monocrystal Si wafers. During the course of electrochemical anodic etching in HF solution, nanostructure arrays formed on N-type Si wafers under laser illumination ( =650nm). A field emitting scanning electronic microscope (FESEM) was...

Due to the versatile functions and the potential ability of monolithic integration, semiconductor ring laser (SRL) has received increasing attention recently in the application of all-optical logic unit. In this paper, InP/AlGaInAs multiple quantum well (MQW) ring lasers with different cavity structures...

Large scale wireless sensor networks (LSWSNs) need to provide complete solutions for users by integrating services and data into information service systems, and are more focused on their own functions. Services are playing more and more important role in LSWSNs. This paper presented an approach, called...

The basic law and method of Fourier transformation and Hilbert Huang transformation is introduced. Taking the obtained dynamic EEG data under +Gz acceleration as an example, EEG change feature under +Gz acceleration is analyzed ,and Fourier transformation spectrum graph and Hilbert Huang transformation...

An experimental investigation on vortex-induced vibration of plane gate with submerged flow is carried out by a combination of 3D-PIV technique and multi-channel vibrating data acquisition system. In order to explore the mechanism of gate vibration, the experiment is to synchronously test the distribution...

Highway construction obviously led to the social and economic benefits. This article uses the basis data of economic and social statistics in 2005-2014 of Guangdong Province, combines the qualitative and quantitative methods, Index system and analyze the impact of the economic and social benefits of...

The distribution network is complicated, it often causes many faults when happing natural disasters. Relying on the repair dispatching experience, it is difficult to develop the most effective repair scheme. In view of the feature that the rush repair faults after the disaster is different from the general....

Under blast load, the progressive collapse performance of reinforced concrete structures is very complex. This article gives a more applicative and efficient RC frame structure model by ANSYS/LS-DYNA, and studies the effects of concrete strength and longitudinal reinforcement ratio to progressive collapse...

In this paper, the Markov model is built to explore how social information spreads and works, especially through the networks. the note distance calculation model based on Cluster analysis is proposed to determine the factors affecting public interest and opinions. We divide people in a region into three...

A low-carbon cement (LCC) consists of 10% of cement clinker and 90% of industrial wastes was prepared, properties of the LCC such as setting time, soundness, consistency, as well as the compressive and flexural strength were examined. It is shown that early strength of the cement was slightly lower,...

The database of military equipment data engineering is the important basis of making scientific decision for military equipment assessment, and it has the significance for developing the military equipment. The paper designed the database structure of military equipment data engineering, including the...

The paper analyses the existing problems of the flameproof diesel vehicle and states battery rubber-tired vehicle will be a development trend in the future. The research status and development trend of the key technologies of battery rubber-tired vehicle are illustrated, and battery vehicle will become...

A distribution network reconfiguration model with wind power generators is proposed, and an improved genetic algorithm is applied to minimize active power loss. Forward and backward sweep approach is adopted to calculate the power flow. In addition, the strategy of searching random spanning trees is...

The waterscape has become one of the important determinants of City waterscape design is successful, and the city or city waterscape environment is closely related to the charm. Each city river or waterfront region has its own unique function requirement and humanistic characteristics, which determines...

Under bad weather, the outdoor computer vision system captures the image quality degradation, which will bring great inconvenience to image processing, has a serious impact on aspects of daily life and production. In this paper, From the point of image enhancement , first, the image is converted from...

A composite fruit peel (HFP) coagulant was prepared from banana peel and orange peel, for humic acid simulated water , the effect of dosage and pH on the turbidity and color removal rates were investigated. The results showed that the HFP has 97.14% turbidity removal and 88.7% of color removal under...

Combined with the actual set of concrete measures are for preventing the transformer screens dendritic discharge fault. Aiming at the 220kV main transformer screens dendritic discharge fault, introduce the basic process of screens dendritic discharge failure occurs, proof insulation damp and gas is the...

The automatic interpretation of SAR images is often extremely difficult due to speckle, a signal dependent noise, which is inherent of all active coherent imaging systems. Thus, despeckling has become a crucially important issue in SAR image processing. Wavelet theory provides a powerful tool for detecting...

Constant-on time voltage feedback controlled Buck converter is one kind of typical nonlinear system. It produces unstable behavior in the running of the system. With the change of output electric capacity ESR, bifurcation and chaos behaviors are shown in the system. The mechanism that produced the phenomenon...

Cheongsam is a typical traditional costume in China, and the handmade craftsmanship has also become a national intangible cultural heritage, whose inheritance and development are an important task facing we face today. Based on the induction and analysis on the main part of the characteristics of Cheongsam...

This paper discusses the concept and characteristics of embedded system, introducing the components of embedded system in detail, and introducing the processor and operating system of embedded system. This paper had a vision of future which is developing trend of embened systems through summarizing the...

In this paper, we present a multi-objective Web Services selection algorithm, which aims to achieve the dynamic web service composition. Firstly, we analyze multi-objective optimization problems with user constraints. Furthermore, we optimize the different QoS parameters of the workflow. And experimental...