Advances in Engineering Research

This paper is based on a platform of business convergence, this paper designs and improves the access of the wireless dispatch communication network and other mobile communication devices (such as walkie talkie, etc.) based on the wired dispatch communication network to form a command and dispatch system...

This paper is building a metric with indexes aimed to quantify the qualitative smart growth of a city. I formulate the problem of metric as a comprehensive evaluation model in which the success of smart growth is a specific value S. Primarily, based on the E's of sustainability and principles of smart...

Based on the achievements in construction of modern water conservancy project construction in Guizhou pilot area, the construction points and innovation, the purpose and significance of water conservancy construction, reform, effect are discussed, providing direction for the new agricultural water conservancy...

Advanced hydraulic torque converter is a key component of paper interactive surface technology based on steady-state, the authors established a torque converter flow field calculation model. Using the method of CFD simulated the stator flow field, and the results were validated by experimental data....

This paper analyzes the disadvantages of the new-typed equipment maintenance support information generated in different stages, different sub-sector’s management, and the lack of the unified standards, to solve which, we proposes a new equipment information management system concept, which is with a...

This paper proposes a comprehensive assessment method of wind power penetration capability for multiple points of connection of wind farms, considering peak load regulation, static security, static voltage stability and transient stability constraints of power system. A mathematical model of the comprehensive...

Classification in networked data is a popular research of complex network. Because of the large scale of networked data and the shortage of training data, active learning, which is an effective classification method for sparse data in machine learning, is often applied to networked data classification...

It has been a long history of navigation in Henan Yellow River which has made a great contribution to the economy, society and culture in Henan, even to the whole Chinese nation. Currently, the waterway in Henan province is under the development far behind the increasing demand for transportation. Therefore,...

As the wide application of permanent magnet (PM) synchronous electro-spindle in turning machine, a Siemens 1FE1 built-in water-cooled PM synchronous electro-spindle is taken as a reference, and the electromagnetic design and simulation is analyzed by finite element software Ansoft in this paper. On the...

When the acoustic field propagates in the porous medium, the electromagnetic wave can be induced by the seismoelectric effects which can be used in the logging. This paper studies the seismoelectric wave field and deduces the formulations of the acoustic and electromagnetic field of the liquid in the...

The development of hotspot networks is the need for fast and easy internet access anywhere. With the development of technology and the increasing importance of the internet in everyday life, hotspot networks are a practical solution to meet the needs of public internet access. In addition, the hotspot...

In this paper, considering the load, wind power and photo voltaic timing characteristics, stablishes a planning model containing distributed power energy storage device. In the planning model, the minimization of the total cost including the initial investment, fuel costs, net loss costs, environmental...

The objective of this paper is the implementation and validation of an adaptive controller for linear systems with state delay. The contribution of this paper is the design of an adaptive controller that guarantees the stability and performance of the given system, even when the nominal conditions change....

Despite the significant breakthroughs in research on microalgae as a feedstock for biodiesel, its production cost is still much higher than that of fossil diesel. One possible solution to overcome this problem is to optimize algal growth and lipid production in wastewater. The present study examines...

The efficiency and quality of overhead transmission line corridor inspection make a close connection to the operation of the whole electrical power system. In this paper, we summarized three common modes of line inspection and analyzed their characteristics. The technologies applied in line inspection...

In order to improve the efficiency of the Photovoltaic (PV) system. Firstly, Solar Cell Array (SCA) model was established, and the simulation analysis of which was conducted through MATLAB/Simulink, then, the output characteristic curves of PV system with different external environment condition were...

Accurate endpoint detection is crucial for speech recognition accuracy. This paper presents a new technique for speech endpoint detection in a noisy environment based on the empirical mode decomposition (EMD) algorithm and higher order statistics. With the EMD, the noise speech signals can be decomposed...

The extraction of pure sMEG signals is a bottleneck problem of functional electrical limb rehabilitation. Comparing human active wrist extensor muscle group and large intestine channel of hand yangming, we designed the experiment to search pure wrist extensor action site by using their conjunction points....

The kinematic wave equation is selected to describe one-dimensional overland flow. The Lattice Boltzmann method which different from macroscopic numerical methods is introduce to solve this partial differential equation. By comparing to analytical solution, good fitting results are got. In addition,...

To study whether the hybridizing could reduce the growth of F1 hybrids of vegetables under heavy metal stress, a pot experiment was carried out to investigate the cadmium (Cd) accumulation characteristics of F1 hybrids by reciprocal hybridizing of two genotypes of Brassica juncea var. megarrhiza under...

Signal-noise ratio is an important parameter in modern wireless communication systems and an important indicator to reflect signal quality. An accuracy signal-noise ratio can provide signal quality information required for power control and channel decoder, etc. This paper proposes a blind signal-noise...

we study the use of gatifloxacin with a novel tricyano-dihydrofuran fluorescent system. Gatifloxacin is a 8-methoxy-fluoroquinolone racemate which, in addition to having a broad spectrum of Gram-negative activity in addition to the activity of positive microorganisms, this product has antibacterial effect,...

Take the structure of the FC evaporator for desulfurization wastewater from power plant as the research object establish model of the finite element analysis and the internal flow simulation is carried out. Compare the characteristics of the flow field in the evaporator with the different structure parameters,...

This paper analyzed the vertical distribution and sedimentation of volatile phenols in bottom waters in Jiaozhou Bay in 1982. Results showed that the pollution level of volatile phenols in bottom waters in Jiaozhou Bay was very low in 1982, which were increasing from spring, and then reaching the peak...

The paper mainly targets at investigating which municipal sludge drying technology is efficient and economical. Using the drying method of microwave to study on the factors influenced over the drying efficiency of municipal sludge. And do the experiment analysis and comparison about the energy consumption...

This paper constructs a supply chain consisting of two retailers and one supplier. Meantime retailers face two kinds of demand models there are AR (1) demand and ARMA (1, 1) demand. In order to choose the better demand model, we emphatically analysis the impact of the market competition parameters between...

The components of the flux are optimized and the environmental friendly flux with excellent comprehensive performance is prepared. Then the composition of the solder paste is optimized to prepare the SMT environmental protection and high efficient lead-free solder paste, and its performance is studied....

In the paper, under simulated culture conditions, the effect of myxobacteria microecological preparation JCH-04 on the growth, digestive enzyme and humoral immunity of grass carp were studied, at the same time, the removal effect of that on NH4+-N, N02 -N and COD of aquaculture water was assessed. Feeding...

The sliding-mode variable structure control strategy is employed to control the Robot system. Firstly, the research work is emphasized on the description of the sliding mode surface and sliding mode condition. Then, the stability of the control system is ensured by Lyapunov method. Finally, simulation...

Currently, research on wind power integration capacity based on peak load regulation constraint is mainly aimed at provincial power grids. Regional and provincial power grids are quite different, and wind power integration capacity of provincial grids is of little reference value for regional wind power...

A new design was proposed in which the Engineered Cementitious Composites (ECC) was used to improve the seismic behavior of the reinforced concrete hollow bridge piers. The ECC jacket was used both in and out of the cross section of the hollow bridge piers to improve the strength and ductility of the...

In this paper, we set up distinct model: Smart Level Evaluation (SLE) model. Moreover, ternary integrated evaluation method is proposed to measure evaluation value, which is our highlight as well.The SLE model is built to evaluate the level of urban smart growth. The level of smart growth is measured...

Relying on the thermosenstors scattering in the skin, people are capable of detecting the thermal stimuli to protect themselves from the damage of hazardous environmental factors. Temperature sensitive sensors can be divided into two classes: innocuous thermosensors (warm or cool) and noxious thermonociceptors...

Sound quality evaluation may be conducted with multiple different objective evaluation models, but reliability of evaluation results is different. Noise samples of two ears of the driver were gathered when the car operated at the speed of 60km/h and different music was played in the car. After equal...

In this paper, an review of common water scale and corrosion inhibitor of central air circulating cooling is given. The focus is on the mechanism of scale and corrosion inhibitor. Indicates the status of research to scale and corrosion inhibitor at home and abroad. At the same time, some existing problems...

During the power spinning process of large ellipsoidal heads with variable thicknesses (LEHVT), material parameters of the blank have a significant effect on the quality of LEHVT and the determination of forming parameters. In this paper, the influences of hardening exponent, yield stress and elastic...

The Comprehensive Nuclear-Test-Ban Treaty adopted four technical means to monitor nuclear tests, which are the seismic, radionuclide, hydroacoustic and infrasound monitoring techniques. The infrasound monitoring technology is an effective tool for monitoring the atmosphere, ground or water nuclear explosions....

In 1938, the Huayuankou Dike Breach played a certain role in blocking the Japanese army westward, but the huge flooding area of the Yellow River was formed and the ecological environment extremely worsened, especially the sand and salt deposited and many other disasters occurred frequently, which not...

First, the algorithm converts 3d models into an affine invariant space, in order to obtain rotation in-variance and scale in-variance of the model; then we transform the distance of the grid point to the center to a signal in frequency domain using one-dimensional DFT. We embed a watermark into the signal...

This paper researched the license plate recognition system based on video image processing. In the pretreatment process of license plate recognition, the paper uses image gray, gray stretch and a series of processing methods of image processing to process the license plate. In the license plate location,...

At present, most research about the impact factor of new energy automobile sales is qualitative. There is controversy over different influence of each factor. To some extent hindered the market promotion of new energy automobile. This paper utilizes Internet search data to analyze the impact factors...

The problem of high-dimensional feature vector in vector space model (VSM) is an important problem in text classification. After preprocessing the initial number of feature items is generally huge, and many of them for text categorization are useless. This will not only increase the running time of the...

The construction of ecological civilization of the city is related to public welfare, while the culture of mining and metallurgy is the typical characteristics of a typical resource-based city. This paper takes the culture of mining and metallurgy as the breakthrough point, based on analyzing the value...

The method of using electromagnetic compatibility standard for nuclear power plant , and the electromagnetic compatibility and electromagnetic compatibility standard of instrument control equipment in nuclear power plant are put forward, by the research on electromagnetic compatibility of nuclear safety...

A pot experiment was carried out to study the effects of intercropping with four cadmium (Cd) hyperaccumulator plants (Galinsoga parviflora, Sigesbeckia orientalis, Solanum nigrum, Crassocephalum crepidioides) on nutrient uptake of grape seedlings under Cd stress. When grape seedlings intercropped with...

The establishment of nature reserves is one of important ways and measures to protect biodiversity, which plays an important role in maintaining balance of regional ecology, and promoting scientific research. To analysis the using and covering of land in the studied area and the variety of landscape...

As for the problem that ground scenery image interfered causes its quality decreased, and in order to get high-quality data ground scenery, in this paper, firstly analyze the main factors of image degradation and then we adopt wiener filtering to recover image which is interfered by movement blurred...

This paper analyzed the seasonal variations of Pb in surface and bottom waters in Jiaozhou Bay based on investigation of Pb in surface and waters in different seasons during 1979-1983. Results showed that at temporal scale, Pb contents in bottom waters were more or less increasing/decreasing along with...

This article studies drilling behaviour of polymer nanocomposites reinforced by functionalized amine carbon nanotubes/ Carbon fiber using a vacuum bagging technique fabrication. The main concept for assembling process without out which is impossible like machining process in which drilling the laminate...

Electric conversion motors have great potential to be developed, this is in line with Indonesian government policy, however, regarding the coolant for electric conversion motors, it still needs to be developed in order to obtain maximum motor performance at various speeds, the application of pending...

A physics-based electro-thermal model implemented in the Matlab/Simulink is introduced for FS (field stop) IGBT (Insulated Gate Bipolar Transistor) in this paper. The model consists of Fourier-based FS IGBT model and equivalent RC thermal network model. The static testing of a commercial IGBT is performed...

Data processing of measurement were discussed in this paper, including the processing of measurement error, assessment and presentation of measurement uncertainty and processing and reporting of measurement results. The importance of measurement data processing in the measurement control system was clarified.

An appropriate modulation scheme SC-PPM is considered in this article for the high density visible light communication (VLC) system. Compared with OOK, SC-PPM is a more power efficient and reliable scheme and it can achieve the requirement for both illumination and communication. An optimization problem...

The Laplacian pyramid was always used for image analysis. However, the Laplacian pyramid could also be used for edge-aware image processing. To get successful results, this method spent much less time than most of other methods such as anisotropic diffusion, neighborhood filtering, and specialized wavelet...

With the fast development of clean energies, absorbing cleaning energies becomes a critical problem to solve while the economy develops and society progresses. This paper presents a new type of Microgrid by analyzing methods of enhancing clean-energy-absorbing ability. The new type of Microgrid could...

In this work, the performance and efficacy of several experimental runs are evaluated using the DEAR (Data Envelopment Analysis-based Ranking) approach, with an emphasis on materials and process factors for an AlFeSi10Mg alloy system. Laser Energy Density (LED), Specific Energy Density (SED), and Volumetric...

This study proposes a detachable quadcopter UAV delivery system to overcome traditional UAV limitations like inflexible cargo handling and high costs. The modular design features an X-shaped carbon fiber frame with hollow arms (12mm outer, 8mm inner diameter), offering 60% greater bending resistance...

To evaluate the quality of an existing structure which is lack of information in the highway bridge after years of shutdown. An evaluation method is proposed, which is based on the fuzzy mathematics and catastrophe theory. Comparing traditional methods, the method avoids determining the uncertain index...

Based on the analysis of theories of vector control, the simulation model of permanent magnet AC servo system built on MATLAB/SIMULINK is designed and studied, the simulation results prove the validity of the simulation model.

A direct adaptive controller based on improved radial basis function (RBF) neural networks (NN) is proposed for an omni-directional mobile robot (OMR). The OMR is a multi-input and multi-output (MIMO), unmodeled and uncertain nonlinear system which is difficult to be modeled due to a large number of...

Underwater sensor network(USN) has a battery replacement, positioning difficult hard, great depth of nodes is poor, traditional routing algorithm of the two-dimensional plane land web is difficult to apply, routing algorithm based on the geographical position, there is also a difficult position and so...

Fault tree analysis,as an effective method for reliability analysis and evaluation of engineering systems,provided an effective method for failure analysis of polishing robots with six degree of freedom.Through the qualitative and quantitative analysis of the fault tree,it is proposed that the damage...

Our basic model has two parts: to study effects of physical factors on the temperature and water consumption of water in bathtub, and to explore the influence of human action on water temperature distribution. Finally, we give the best strategy to maintain initial water temperature without wasting too...

Aiming at the controlling of trajectory during the air-to-ground attack, firstly, the 6-DOF model of combat aircraft and the model of the threats are established. The thrust coefficient, angle-of-attack, and roll angle are chosen as the controlled quantity. Then establish the indicator function and the...

Microstructure and properties of Al-Mg-Si-Li alloys with different Mg content were investigated. The microstructure was observed by optical microscopy, the phases were determined by X-rays diffractometry, the hardness was monitored by Vickers, the mechanical properties were determined by tensile tester,...

The metrological confirmation of measurement equipment was discussed in this paper. The relationship between the accuracy of measurement equipment and the data issued was analyzed. The important significance for the metrological confirmation of measurement equipment in the measurement and control system...

The rapid development of private higher education institutions has made private colleges enter an intensive development stage, and the incentive to the private college president has become an important subject. However, the Ex ante incentive is superior to the Ex post incentive, and how to provide the...

A wall with auto-adjusted heat transfer coefficient based on the outdoor temperature is introduced. The mechanism of the bimetallic strip wall with auto-adjusted heat transfer coefficient was given. The thermal performance of the variable thermal resistance layer in different conditions was preliminary...

To guarantee the river water quality reaching the surface water quality standards，this paper used a small-scale experimental equipment and optimized hydraulic retention time（HRT）and optimum temperature range of the artificial wetland sewage treatment plant effluent, and the effect of advanced treatment...

For reduction of industrial CO2 emission, sector CO2 emission reduction quotas should be fairly assigned based on their original CO2 emission level at sectors of industrial CO2 emission in the industrial chain, which bigger CO2 emitting sectors will be allocated more. But what are the bigger CO2 emitting...

A terpolymer resin (NSMA) was synthesized with styrene, maleic anhydride and N-phenyl maleimide. The structure and composition was characterized with FT-IR and 13C-NMR. The thermal resistance of NSMA was determined through integrated thermal analysis. The results indicated that, when the molar ratio...

The purpose of this study was to explore the mechanical properties and functional adaptability of bone of vibration training in rats. Sixty rats were randomly assigned to four groups: control group, low frequency (25 Hz, 3mm) vibration group, middle frequency (35Hz, 3mm) vibration group, and high frequency...

Garden trees play an integral role in supporting healthy urban communities as part of ecological system. 13 typical landscape plants, in Suzhou City, were selected to study the correlations among canopy width, vegetation quantity, branching point height and temperature-decreasing and humidity-increasing...

The effects of mutual grafting on the photosynthesis of two ecotypes of post generation Solanum photeinocarpum under cadmium (Cd) stress were studied by the pot experiment, and the photosynthetic pigment contents, photosynthetic characteristics and soluble sugar contents in post generations of S. photeinocarpum...

A novel algorithm aligning the time-delay of each signal received by a uniform antenna array is presented. In order to solve the problem that time-delay alignment performance is poor at the low signal-to-noise ratio (SNR) value, the proposed algorithm makes use of iterative estimation. Then we analyze...

Color is a basic element of image content and is one of the main sensing features for recognizing images. Color histogram is widely used to retrieve images and the processing mostly concerns the choice and quantization of color space, the definition of color histogram and the distance of two images in...

A novel rhodamine 101 derivative has been synthesized and employed as a fluorescent off-on probe for monitoring Cu2+ in aqueous solutions and living cells. Under physiological conditions, it exhibits a remarkable increase in absorbance at 587 nm and an enhanced fluorescence at 615 nm toward Cu2+ in a...

In this paper, we propose a modular equipment design concept for building interactive landscape environment, which can deal with the problems such as life expectancy and complicated cable networks. Recently, the advancement of digital technology in residential networking and connections (i.e., internet...

The reasonable and accurate assessment of the development speed of the distribution network is very important for a country's power grid construction and power distribution. The comprehensive evaluation system of distribution network developed proposed in this paper can be applied to evaluate the development...

Under processing condition that were the average power of 20 W, repetition frequency of 2 kHz, pulse width of 80 ns, spot diameter less than 20 m, cutting speed of 10 mm/s, we succeeded in making 300 m thick gold interconnectors for solar cell panels, by utilizing an optical fiber laser with high power...

Kinetis L-series MUC clock system includes the clock source mechanisms such as the internal reference clock source, frequency-locked loop FLL, oscillator OSC, real time clock RTC, and provides many clock models to provide technology foundations to many low power applications, and has the features such...

This paper selected seven factors which affect the housing price from macro economic environment, market demand, and living stands of people, and then analyzed the influence of key factors on the price. Based on gray correlation analysis model, the case study is employed in Dalian, and the the importance...

since there is a problem that commanding communication have different kinds of terminals and the existing system to guarantee voice commanding communication cannot be "one-size-fits-all", this paper, under the condition that the dispatch terminal is as the relay and the current dispatching system is...

Rail straightness measurement is critical in rail production, in which the detecting speed, accuracy and stability directly affect the overall rail production. In this paper, using modern technology such as laser sensors, data acquisition, and computing technology, an innovative rail straightness measurement...

In computer vision, object recognition is still a challenge. In this paper, a new method based on data field is proposed for image object classification with color histograms and diffusion distances. Among them, the topological potential is used to select the optimal parameters. The experimental results...

The source and development for measurement uncertain were summaried in this paper. Measurement uncertainty and measurement error were analyzed. The important significance for evaluating uncertainty of measurement result was clarified.

A kind of environment-friendly compound corrosion inhibitor has been made from sodium tungstate, sodium silicate, calcium gluconate, sodium polyphosphate and zinc sulfate. The inhibition capability of the corrosion inhibitor in seawater for carbon steel is carried out by weight-loss method and electrochemical...

In the field of data mining and pattern recognition, classification is a very important core technology. This paper present two kinds of improved classification algorithm. Using the improved Naive Bayes (NB) and KNN algorithm structure classifier to filter normal mail and spam. Improved NB algorithm...

This article is designed by the LabVIEW circuit experiment module, common in the course each module specific program design scheme is given, and ultimately successful debugging operation. Based on the introduction of virtual instrument, can not only save costs, and to update and adjust teaching methods...

The imbalance of heat rejection to and heat extraction from the ground has dramatic effect on the performance of a GSHP system, thus affects the heating and cooling energy usage of a building. A parametric study based on different heat rejection/extraction (R/E) ratio was conducted for a 20-year life...

We combine literature review and three E's to select more reasonable evaluation index. We establishes three primary indicators (Economic Success ,Social Success, Environmental Success)and twelve secondary measures by referring to the smart urban evaluation index system of the EU, IBM, Nanjing and Tai-...

This paper describes a design to develop a centralized remote-reading meter system which used to overcome shortcomings of the traditional manpower-based reading meter. The system is designed from the host computer, network meter and concentrator three parts. Concentrator is connected to the host computer,...

This paper analyzes the performance of a compression-absorption heat pump (CAHP) system driven by low-temperature geothermal water. Two models, respectively, for the generator and whole system using ammonia-water as the working fluid are proposed. The results show that there is an optimum concentration...

Prefabricated concrete structure is composed of prefabricated components assembled on site. Because there are a large number of joint joints between prefabricated components, the joint connection problem of prefabricated components becomes the key to the reliability of prefabricated concrete structure...

On the problem of Global maximum power point tracking (GMPPT) caused by partially shaded in photovoltaic system, many scholars' search methods are always judged by their ability of static search, and dynamic performances when irradiance suddenly changes. But these methods neglect the dynamic performance...

As the problem of vehicle fuel consumption and environmental pollution has caused wide public concern over the recent years, improving vehicle fuel economy is extremely urgent. Through vehicle fuel consumption test on mini cars based on New European Driving Cycle (NEDC), the impact of energy-conserving...

Taking the turntable of the crane as the object, it simulates the equivalent forms of process reinforcing in the large floor of the turntable. And it obtains welding deformation. By simulating the equivalent forms of process reinforcing, it discusses the influence on welding deformation by rigid fixed,...

Using the method of accelerating GRC ageing, the effects of waste concrete and fly ash on flexural Strength and durability of GRC were researched. The results show that the durability of GRC can be improved to some extent when 30% of natural sand in GRC was replaced by waste concrete, but the improvement...

Due to its remarkable mechanical qualities, composites are now widely used in unconventional industries, particularly aircraft. During assembly, drilling CFRP composite elements is a common activity, and choosing the right process parameters and geometry is essential to prevent drilling-related damage...

In order to achieve a non-invasive continuous measurement of blood pressure, a method of establishing a nonlinear blood pressure estimation model by BPNN (Back Propagation Neural Network was proposed. By acquiring pulse wave, systolic and diastolic blood pressure value of every heart beat cycle were...