Advances in Engineering Research

The harmonic components is the additional waveform in the power grid, the harmonic loss can directly reflect the quality of the power grid, the harm of harmonic influences to the power grid and the safety of the equipment, in this paper it will be introduced a new type of harmonic suppression measures,...

Automation control and other consumer devices, industrial control and other fields, external communication interface many devices is still low speed serial port, but the low-speed serial inherent disadvantages: inability to concentrate, comprehensive, accurate and real-time monitoring data, which requires...

Introduces the dry process dusting system of converter process flow, equipment composition and function. Practice showed that the dry dust removal system stable running, high efficiency of dust collection, after purification of flue gas dust content is low, operation maintenance cost is low.

With the large-scale development of China’s wind power industry recently, wind power connected to grid has great impacts on power system network FM (frequency modulation). Researching on pricing mechanism of AGC ancillary service is essential for the stability and economy of ancillary services markets...

Oxidized coal is the coal that recovered to environment temperature when the heat-storing environment is destroyed during the self-heating process, which is quite common in the process of coal mining and utilization. The spontaneous combustibility of oxidized coal differs from that of raw coal, which...

The compound powders of VB2 with 25 wt% and 50 wt% Ni were mixed uniformly using a planetary ball miller, respectively. The discharge capacity of VB2/air battery with VB2-Ni as anode in KOH electrolyte was investigated at room temperature and ambient pressure. Meanwhile, the microstructure of VB2-Ni...

Oxygen enriched combustion technology is an important branch of greenhouse gas emission reduction technology, which has been developed rapidly in recent years. This paper briefly introduces the method of oxygen enriched combustion and the energy saving characteristics and the influence of the environment...

Biogas is deemed as a kind of superior and renewable resource. It is urgent for Supervisory Departments to adopt a real-time monitoring system which may process data promptly so as to reduce the potential danger and improve the level of automation. In this paper, an intelligent biogas digester monitoring...

In recent years, the Chinese iron and steel enterprise energy resources conservation technology progress and key generic technology development and application, including CDQ technology, coal moisture control technology, sintering waste heat recovery and utilization, blast furnace top gas residual pressure...

With the rapid development of urbanization, the contradiction between human activities and ecological environment is becoming more and more serious, and the urban park green space is unable to meet the demands of people for the urban environment. Based on the theory of sponge city, the ecological design...

That wind power provides automatic generation control (AGC) is an innovative solution to the lack of AGC ancillary services and the problem of abandoned wind. How to appropriately compensate the wind power generators who provide AGC ancillary services is a critical issue. Based on the day-ahead market...

In this paper, we examine the dynamic anti-plane behavior of interacting redial cracks emanating from the edges of two interfacial circular cavities in piezoelectric bimaterials under incident anti-plane shearing wave (SH-wave). Green’s functions for a semi-infinite piezoelectric medium with two circular...

This paper describes the overview of foreign and domestic garbage garbage power generation profile, and then were introduced three ways trash generation, namely landfill gas power generation, waste incineration power generation and waste gasification power, then this paper describes a comprehensive benefits...

The preparation and characterization of anti - blocked composite material consisting of MgSO4·7H2O and KAl(SO4)2·12H2O for thermal energy storage are reported in the present article. The preparation is performed by co-melting method by adding CaCO3 as the anti-blocking agent. The thermal properties of...

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...

With the rapid development of wind power, the conventional power auxiliary services have not met the requirements of wind power grid-connected power generation in full. In order to relieve the grid-connected and integration issues of wind power, wind power was put forward to participate in ancillary...

Simulation of Micro Blanking Process of Square Hole with Fillet was carried out based on DEFORM-3D. The ratio of burnish depth, shear depth and fracture depth to sheet thickness under different relative blanking clearance (c/t) was analyzed. The results show that the burnish depth at the fillet increases...

Because wind energy is very rich, the price is very cheap, energy will not be exhausted, and can be obtained in a wide range, very clean, no pollution, will not affect the climate, so wind power has been the world's fastest growing energy. This paper summarizes and tracks the main forecasting techniques...

How to develop high-efficient and low-cost electrocatalysts for the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is urgent in fuel cell and metal-air batteries. What we are going to introduce is how to improve the performance of catalyst for ORR and OER under different acid treatment...

Urban traffic is a real-time change, so the traditional serial algorithm cannot satisfy the requirement of traffic scale and condition changes. Therefore, this paper proposes a improved non-dominated sorting genetic algorithm for route optimization problem of multi-objects. Firstly, through the analysis...

A new stretch forming process based on distributed displacement loading for three-dimensional surface parts is proposed, the external stretching displacement load is applied at a series of discrete points, so the flexibility of the loading mechanism is improved. The forming process can be realized by...

To solve the problem of adjacent order overlap for variable speed bearings, a novel method with the fixed-point independent component analysis (ICA) and peak detection is proposed. Firstly, the mixed vibration signal is whitened by through of the singular value decomposition. Then it introduces fixed-point...

For manufacturing enterprises, effective inventory management strategies can speed up the funds flow and reduce some unnecessary cost. In this paper, by researching the current inventory management status of an energy company and on the basics of widely reading the literature about inventory management...

Thin films of FeCoB-O were deposited by reactive magnetron sputtering in a Ar + O2 atmosphere with the oxygen partial pressure RO2 varied. The dependence of soft magnetic properties and high frequency characteristics on oxygen partial pressure were investigated systematically. With the increase in RO2...

This project discussed environment and economic situation including regulation, deployment and Financing of building solar plant in Chile, which provided flexibility for further project construction.

According to prediction of landslide based on grey vector machine model, the landslide is affected by multiple factors such as soil layer structure and these factors show complicated non-linear relation with landslide, while it is hard for the traditional model to reflect the non-linear complicated relation....

In view of the phenomenon that defects such as fracture, wrinkling and springback may generate when box shaped parts are stamped, however better surface quality on parts have been required. The process of drawing, cutting and springback for magnet covers with arc top and straight sidewall are simulated...

With the unceasing development of national economy and science and technology, wireless data transmission is extensive used in many areas, basing on its characteristic of flexible and so on. Based on the SMS of GSM net, this article introduce an intelligentized surveillance system which is used for controlling...

This paper summarizes the relevant policy documents of Guangzhou contract energy management, analyzes the status of energy-saving service companies and the implementation of contract energy projects in Guangzhou in recent years. According to the current situation of the implementation of contract energy...

The detection of partial discharge and analysis of sulfur hexafluoride (SF6) purity in gas-insulated switchgears (GIS) is important for diagnosis and operating state assessment of the electric device. This paper introduced a method for rapid purity detection of SF6 based on one-way ion mobility spectrometry....

The important influence of thermodynamic effect inside bubble and viscous liquid volume outside the bubble on the dynamics of bubble can be found. However, the combined effect of those two factors has currently little research and the thermodynamic effect of the bubble can be seen from the Flynn model....

In this paper, we propose complex projective synchronization method to realize synchronization of two chaotic complex systems with disturbance. Base on the theory of the Lyapunov stability, we design adaptive feedback controller to realize complex projective synchronization of master-slave chaotic complex...

SUV (Sport UtilityVehicle, SUV) HCG (Height of Center Gravity) is higher, relatively low rollover stability, higher rollover accident rate has become an important issue for cars safety. In this paper, Firstly, four-DOF kinematics theoretical vehicle model was established then combined with a SUV development...

The preparation process of waste banana stem adsorbent and the conditions of removing Cr were studied. The experiment results showed that the saturated adsorption capacity of banana stem adsorbent with phosphoric acid reached 5.84mg/g, over 95% of Cr(VI) and 70% of total Cr can be removed from water...

The backup rolls are used with work rolls and their service period is much longer than work rolls. The backup roll affects the control ability of the mill for profile and flatness of products and roll contact pressure. If the backup roll contour is not appropriate, there will be a non-uniform roll contact...

Aiming at the multi-sensor multi-target assignment (MSMTA) problem under complex air defense combat environment, a new MSMTA model is proposed with the compositive combat efficiency of the identification, tracking and positioning stage. And then, the quantum particle swarm optimization (QPSQ) algorithm...

The braking performance is one of the most important active safety performances of vehicle, which plays a key role in the traffic safety. It is necessary to research on braking efficiency and it becomes a hotspot to express the braking performance scientifically and rationally. To improve braking capability...

This paper applies box-counting model to study the fractal characteristics of 17 sub-watersheds in the study area from Badong county to Zigui county in TGP reservoir region. The results indicate that the small watersheds have obvious fractal characteristics and that fractal dimension values of sub-watersheds...

This paper summarizes three kinds of improved strategies for ant colony optimization algorithm: the improved strategy based on the structure of solution, the improved strategy based on the pheromone updating, and the improved method based on the solution processing. Taking the ant colony system as an...

The report of the 17th National Congress of CPC will take the "people first" as the core of scientific development concept. With the upgrading of science and technology and the progress of medical science, the "people first" shall be more required by medical science. As future medical workers, we shall...

According to the test results of the composition material of the all-lightweight aggregate concrete,design the mix proportion of the all-lightweight aggregate concrete of LC30 and LC35 levels,and make the compressive strength test, the splitting tensile test and the elasticity modulus test,analyze the...

In this paper,industrial grade chitosan as the raw materials,HAc-H2O2 synergistic oxidative degradation method was used for degradation of raw materials,the influences in the reaction process with different chitosan dosage on the yield,the viscosity and the degree of deacetylation had been studied systematically.The...

In this paper, the ant colony algorithms is studied, and improve the shortcomings of the algorithm, And the improved algorithm is introduced into the field of logistics transportation. Aiming at the complexity and uncertainty of logistics transportation vehicle scheduling problem, a new algorithm is...

To monitor the equipment condition changes, a warning method based on MEP (Maximum Entropy Principle) is proposed. First, the data is normalized and the data objects are divided into K clusters by K-means clustering algorithm. Second, the parameters are calculated and its probability density function...

Node positioning system can quickly determine the position of the multiple nodes. On how to improve the performance of multiple nodes localization, multiple nodes localization algorithm based on integration of subframe estimation and cluster analysis is proposed. First, a signal is divided into 8 subframes....

This paper designs a new type of wind-wave complementary device, and introduces the detailed design about a few key part of the device. The principle of the device adopts the wind-wave complementary system ,which collect the wave energy and wind energy respectively. Moreover, to increase the generating...

In this paper, we present a path planning for mobile robot based on improved ant colony optimization algorithm. In order to increasing the algorithm’s convergence speed and avoiding to fall into local optimum, we proposed updating the pheromone residues. Experiments show that this method is effective...

Six solid media, including rice hull, sawdust, wood chips, plastic pellet, coir and perlite, mixed with peat were used for blueberry 'Sharpblue' soilless culture. We determined the plant growth and development to estimate the optimal solid medium for blueberry soilless culture.

In this paper, we measure performance of automobile manufacturing industry by a new hybrid model based on bi-objective super-efficiency DEA. We propose super-efficiency DEA theory to improve conventional DEA with non-Archimedean infinitesimal, and then we take bi-objective issue into consideration to...

This article applies Co-S3OM semi-supervised learning algorithm to intrusion detection field and proposes specific semi-supervised network intrusion classification scheme. In accordance with different type of attack, different mark samples are selected as training set to complete initialization of three...

In this work, the effects of cooling rate on the microstructure and tensile strength of A356 wheels during solidification were studied. Four cooling methods, including air cooling, wind cooling and two different water coolings, were a used to control the cooling rate of spoke. Comparing with the air...

In this paper the control mechanism of bone remodelling under mechanical stimuli at cellular level is investigated by means of an extensive parametric study on a theoretical model developed previously. From a perspective of control mechanism, it is found that there are several control mechanisms working...

Electronic structures and optical properties of bulk -FeSi2 are investigated in detail by first principles pseudo-potential methods based on the density function theory. The calculated results show that -FeSi2 is a quasidirect band gap material with gap value of 0.74eV. The density of states is mainly...

This system provides steady-state visual evoked frequency by using different-frequency LED, constructs the human-computer interface with LabVIEW platform and outputs related control command through serial port, thus realizing home appliance control. All 8 experimental subjects could accomplish home appliance...

To deeply analyze the dynamic evolution process of traffic congestion on road network and provide policy analysis tools for traffic congestion governance, the article proposed a traffic congestion evaluation simulation model on based on complex road network. By introducing section impedance concept into...

Through the milling of nickel base superalloy, this paper studies the effect regularity of surface morphology on corrosion resistance of nickel base superalloy under the condition of different milling parameters. In order to be more intuitive to characterize the surface morphology, this paper defines...

Based on the surface milling tools, this paper establishes the corresponding mathematical model, constructs milling simulation algorithm, and further discusses the influence of the feed and interval feed. Through the thorough and deep analysis, the novel milling surface simulation system is finally developed,...

In a pot experiment, we investigated the effect of different solid medium on blueberry 'Bluebelle' soilless culture. Solid medium included rice hull, wood chips, pine needle, plastic ball, perlite, slag, sawdust and coir. The results show that different treatments have different effect on different blueberry...

Dynamic characteristics of droplets on the one-tier surface, which was a micropillared hydrophobic surface fabricated by lithography and two-tier surface, which was a micro-nano hydrophobic surface replaced by dry lotus leaf were studied under vertically vibration. Our experiments shown that the two-tier...

This paper is concerned with the design of distributed fusion filter for networked systems with unknown measurement interferences and packet dropouts. A Bernoulli distributed random variable is used to depict the phenomenon of packet dropouts. Without any prior information about the interference, a recursive...

In the traditional missile longitudinal loop design, the additional pitch angle feedback, trajectory inclination angle and attack angle outputs may cause the missile control system become unstable and cannot provide the fast and accurate control. In this paper, the author build up a longitudinal loop...

The influence of the parameters on the vibrations for a centrifugal pump is investigated under the consideration of the fluid excitation force in this paper. The responses of the centrifugal pump during the operation were mostly generated by the fluid excitation force. It is difficult to simulate accurately...

Using the three-year-old 'Britewell' blueberry as experiment material, this research studied the mature period of blueberry on different fruit thinning treatments (20%, 40% and 60% thinning ratio per panicle). The fruit weight, size, firmness, soluble solids content, moisture content, anthocyanin content,...

Considering that there are plenty of risk factors affecting hydraulic gear pumps wear life, multiple-factors assessment approach based on FAHP is proposed. Fuzzy consistent matrix is constructed by applying fuzzy theory into conventional AHP to improve the precision of judgments of decision-makers. The...

In this experiment, we studied the effects of astaxanthin on the growth and resistance of strawberry tissue culture seedlings under the stress of heavy metal cadmium. Strawberry seedlings were planted in MS medium supplemented with different concentrations of astaxanthin and with 25 mg/L GdCl2. The results...

In term of sonic fatigue, initiation tests are commonly stopped at 108 cycles assuming that a fatigue limit exists, whereas feedback experience from in service aircraft has shown that structural elements can fail even after 1011 cycles. Thus, it is important to explore the gigacycle fatigue domain and...

The bridge is an important transportation hub, especially the bridges on the main traffic arteries. Once the bridges are subjected to earthquake damage, there will have a great impact. Therefore, it is necessary to study the earthquake damage prediction of bridge engineering. The prediction will ensure...

Developed an acoustic imaging system applied in acoustic test. The acoustic array is made up of 260 MEMS microphones and control by a FPGA, which also in charge of transferring data by optical fiber. The mainframe is control by a FPGA. A DSP is in charge of processing the data from acoustic array. Two...

Web robot is an automated information gathering program that has brought a lot of problems such as information leakage, resource occupation and network security threaten. It is necessary to effectively detect and control the web access comes from web robots. Summarizes the existing categories of web...

The magnetic fluid and magnetic grease combination rotary Sealing structure device have been designed, and the experimental station and process of this structure was discussed. The results shows that,when the sealing gap were 0.3mm, 0.4mm, 0.5mm and 0.6mm respectively, the pressure capacity was mainly...

On the basic of the PIV flows field measurement, mature commercial software to fit and test heat plate reactor momentum transfer mathematical model are used, and the flow field in various operation conditions of heat plate bioreactor is simulated. The transfer process of two-phase flow is complicated,...

High-speed gas in wellhead throttling nozzle carry condensate water and sand, which cause serious erosion to nozzle. Erosion rate with the velocity generally show an exponential growth, the higher the gas velocity inside the nozzle, the more serious erosion. This paper mainly analyze gas fluid flow in...

This paper proposed a hierarchical service overlay network framework (HSON) based on the analysis of advantages and disadvantages of the present service composition network framework and the characteristics of service composition applications, and studied service composition mechanism based on HSON.....

Compared with traditional structures, YSZ TBCs with high segmentation crack density sprayed have exhibited a promising potential in improving TBC thermal shock resistance because the segmentation cracks increase its strain tolerance. A study is presented of formation mechanism of segmented TBC. The segmentation...

The underground oil storage cavern has the advantages of safety, large storage capacity and economical. It is widely used in the national strategic petroleum reserve and various commercial storage. In order to solve the problem of crude oil sludge deposition, this paper based on the principle of jet...

A WSNs(wireless sensor networks) secure strategy is presented by dividing sensing square into grids and utilizing a bilinear map methodology in this paper. Both ordinary sensor nodes and heterogeneous sensor nodes are dispersed in whole sensing area. All those sensor nodes establish their communication...

The optical properties of one-dimensional photonic crystals with Er2O3/Si structure are designed and calculated by Finite-Difference Time-Domain method. The influence of different thickness and reflectivity on the radiation properties were studied. It was found that the radiation spectral intensity at...

In order to solve the problem of high cost and high time consuming in the traditional algorithm of compressed sensing technology, a mix block compressive sensing algorithm for image processing is proposed in this paper. Image is divided into sub images by mixed block strategy in the process of scanning,...

Along with computer technology's popularization and application and popularization, the network technology has been widely used, the resulting network security issues have become increasingly prominent, the network itself and network information system which is based on the potential security risks....

The number of impeller head is short in the original shot blasting machine, and the distance between the pretreatment of steel plate is too far to have enough rust removal ability. Based on these problems, researchers respectively added one impeller head both on the top and bottom of the machine, shortened...

Use of turbocharger can make the energy taken by the exhaust gas be recycled again. A new further innovation of electronic aids turbocharger is made: The turbine and compressor in exhaust gas turbocharger are connected on a planetary gear mechanism with a motor. It is a new solution that the turbine,...

In order to solve the problem of low temperature damage in strawberry production, 'Benihoppe' strawberry (Fragaria ananassa Duch) was used as a material, so the effects of astaxanthin treatment on strawberry seedlings under low temperature stress was studies. The results showed that compared with the...

Financial data has the characteristic of nonstationary, nonlinear and low SNR. Due to the lack of financial data anomalies training set, which results in greater difficulties in the intelligent algorithm on financial data anomaly recognition. Therefore, an anomaly recognition algorithm for financial...

With the development of computer and related technology, makes the computing, communications, network and sensor, and other functions are integrated in wireless sensor network technologies. This article is precisely based on this research background, we have analyzed the overall design of wireless sensor...

In this experiment, we studied the effects of astaxanthin on the growth and resistance of strawberry tissue culture seedlings under salt stress. The samples were treated with astaxanthin concentrations of 0, 5, 10, 50, 100, 200 mol/L. The results show that there is a rise in content of chlorophyll, ascorbic...

With the rapid development of aircraft industry, manufacturing department needs to put forward higher requirements for the accuracy of aircraft assembly. It not only affects the overall quality of the aircraft but it also affects the cost of aircraft manufacturing. This paper introduces the ways about...

Aiming at the practical problems in the performance management of scientific research, an IDEA-BCC model based on the combination of kernel function mapping and the BCC model in the traditional DEA method is proposed in this paper. Taking the annual research input and output data of the scientific research...

A facile method to control the synthesis of zinc glycinate is described. Zn(Ac)2 and ZnO are used as zinc source, and H+ is used as catalyst. The composition and structure of the chelate compounds are characterized by infrared spectroscopy(IR), thermogravimetric analysis(TGA) and x-ray powder diffraction(XRD)....

China textile competitive edge fades as the increase of production factors cost. "Industry 4.0" solution would boost industrial upgrading to realize intelligent and flexible manufacturing for mass customization. Cyber-physic system (CPS) and Internet of things (IoT) are essential for the future manufacturing....

The effects of intercropping with four hyperaccululator plants Galinsoga parviflora, Sigesbeckia orientalis, Solanum nigrum and Crassocephalum crepidioide on soil enzyme activity and soil organic matter of grape seedlings under cadmium (Cd) stress were studied by a pot experiment. The results showed...

Underwater imaging is an effective method to measure the moving objects in water. Based on the attenuation characteristics of light in water, the underwater imaging system layout method based on the calculation of minimum illumination and minimum contrast is proposed in this paper. This method as underwater...

The changesofAdenosine Triphosphate (ATP) and its related compounds were investigated inSebastes thompsoni muscle stored at 0 , 10 and alternate temperatures. The investigation was performed by HPLC system. Different extents of ATP-related compounds were found in different temperatures but the tendency...

The dislocation multiplication behavior of AZ61 magnesium alloy during cyclic bending vibration was investigated. The results show that with the increase of stain amplitude and shear stress, the process of dislocation multiplication behavior contains dislocation slipping, dislocation multiplication and...

Polyacrylic acid (PA) was used as dispersant to disperse carbon nanotubes(CNTs) composite plating solution. Dispersion effect was characterized by measuring the absorbance value of the suspension. The relationship between the volume percentage of PA and the suspension of absorbance value was remarked;...

The effects of intercropping with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) with grape seedlings on soil organic matter and soil enzyme activity under cadmium (Cd) stress were examined in order to provide the reference for grape production in cadmium...

With the development of science and technology, intelligent products becomes more and more popular. Alcohol concentration monitoring system based on the MCU STC89C52 and gas sensor has many functions such as alarm by sound and light LCD display function and so on. The system can set different thresholds...

The abundance of one major and eight trace elements in 215 coal samples from the Mengjiawan exploration area, northern Shaanxi, China, were determined. As compared with Chinese coal, American coal and coal Clarke value, only Th content in the Mengjiawan coal is high. The abundance of the element is different...

7-(Benzyloxy)-4-chloro-6-methoxyquinazoline(1) was synthesized from methyl 4-hydroxy-3-methoxybenzoate(2) through five steps including substitution,nitration,reduction,cyclization and chlorination.Its structure was confirmed by 1 H NMR and MS spectrum.The total yield of the five steps was 29.2%.

We designed an optical lens transmittance/ reflectance test system, which can measure both the transmittance and the reflectance of the sample under different incident angles at the same time, based on differential measurement. This paper elaborates the system composition and working principle, and demonstrates...

A pot experiment was conducted to study the effects of intercropping with four Bidens species (Bidens bipinnata, Bidens pilosa, Bidens parviflora and Bidens biternata) on photosynthesis and soluble sugar content of grape seedlings under cadmium (Cd) stress. The result showed that net photosynthetic rate...