Advances in Engineering Research

Put three knuckles nimble finger as the research object, the paper described its configurations by the application of topology and degree of freedom, expressed mechanism topology characteristics by association matrix based on the metamorphic mechanism theory, analyzed configuration transformation process...

The 2 statistics is a commonly used and effective method of feature selection for corpus. However, it suffers several deficiencies. First, it only counts the document frequency for each feature. Secondly, this method does not distinguish among features that have different frequency distributions within...

Document image retrieval technology is extensively studied, but there is no report about Uyghur document image retrieval. Hu invariant moment features based document image retrieval scheme is proposed for Uyghur document images in this paper. Firstly, seven types of invariant moment features are extracted...

two kind of complex tracking differentiators are studied and its stability are proved by constructing Lyapunov function method. And the necessary condition for the input signal is that its derivative should be bounded. And according to the proof process, the stability and design of this kind of tracking...

The purpose of passenger growth analysis is to predict what we'll do for the future. Some airports in the world have a long plan to use their airport with effective and efficient, but in this period, Indonesia has a significant increase of population. So, in developing country such as Indonesia, the...

Turning tool angle is a critical and difficult point during teaching. To help students understand the geometric angle of turning tool, the author designs a detachable marking angle model for the turning tool. The model can be used to assist teaching, which is helpful for visualization. Therefore, the...

Human presence sensing is essential for enabling intelligent and adaptive control in smart home systems. Traditional single-sensor approaches, such as passive infrared (PIR), millimeter-wave radar, and ambient light sensors, often suffer from specific limitations, including poor performance in detecting...

This essay proposed a spinning force calculation method based on rolling force, For the computing method of conventional spinning force sometimes has a great error by neglecting deposit metal before roller, and it is analyzed an effective and accurate way by testing a set of craft experiments. Then setting...

Ozone pre-oxidation can effectively degrade MC-LR, 2mg / L ozone for MC-LR removal efficiency of 65.28%. 2mg / L ozone for MC-LR removal efficiency reach to 65.28%. Ozone also has a better removal effect for turbidity and UV254 , 4mg / L ozone for UV254 and turbidity removal efficiency are 50% and 59.38%....

Steam explosion pretreatment was a feasible method to treat sugarcane bagasse. The results showed that the hemicelluloses can be effectively removed during the pretreatment and increase the ability of enzymatic hydrolysis. The highest glucose yield was achieved at 74.99%, which was increased by 57.86%...

In view of the features of In-wheel Motor Driven EV, Ackermann steering differential model was established by using MATLAB/Simulink. Based on this model,the features have been studied under different steering angle and velocity of four wheels in this paper. The feasibility of differential algorithm was...

Ozone pre-oxidation removal of MC-LR better, under the condition of pH4,ozone for MC-LR removal of 76.22%,than the original water removal increased by about 11%.With the increasing value of pH, ozone for MC-LR removal decreased, but higher pH beneficial ozone removal of turbidity, UV254, TOC and CODMn....

Focusing on the underground substation and building information model (Building Information Modeling, BIM) technology, a 3D model framework of underground substation was build. This article teased out the three-dimensional graphic computation process of underground substation, and discussed the significance...

To overcome the traditional fault tree diagnosis techniques are difficult to resolve random uncertainty and complexity ambiguity. We choice the method of combine fuzzy comprehensive evaluation with fault tree analysis. First of all, we construct a runway incursion fault tree, comprehensive identification...

This communication presents a log periodic structure based quasi Yagi antenna which is suitable for state of the art multi-bands wireless applications. The antenna investigated here is fed through a coaxial feed. A balance to unbalance transfer (BALUN) has been used for impedance matching. The designed...

The information system brings together various data from every business process carried out by the organization, processes and presents it in the form of reports which can later be used as the basis for decision making and even strategic planning in an organization. PT Delta Sinergi Prima is a service...

Rare earth element (REE) compositions in ceramics from the Tongguanyao site (TGY) of China were determined by the inductively coupled plasma-mass spectrometry (ICP-MS) to compare their sources. Total REE concentrations of 14 samples range from 120.9 to 453 g•g-1, with an average value of 228.5 g•g-1....

With the development of industry, the large-scale exploitation and use of fossil fuels, especially coal, oil and natural gas, cause serious impact on the environment. Therefore, the development of renewable energy has become an important way to solve the problem between energy and environment. Solar...

Cloud service is a service model based on the Internet. In the cloud service support environment, we need to build support for cloud services of the University of learning. The design and application of higher education cloud service system is a very important technology in the field of education in...

In the electric-power systems, which include hydroelectric power plants (HPP), the important objective is the increasing of water resources utilization efficiency. Hydroelectric power plants have a great impact on the distribution of power at the regional level and especially in the wholesale electric...

With the focuses on cross section of pipe truss, depth span ratio, width height ratio, thickness of concrete slab and concrete strength, this paper uses finite element software ABAQUS to analyze failure mode, ductility and ultimate bearing capacity of no winding composite floor pipe truss, puts forward...

Partitioning the entire electrical network into several sub-regions is a good way to control voltage and reactive power. In this paper, an effective identification strategy is proposed to partition the whole network with typical boundary nodes. Firstly from the point of normal operation, a reactive sensitivity...

(R)-tert-butyl 4-formyl-2,2-dimethylthiazolidine-3-carboxylate is an imntermediate of S-jaspine B known as a potential substitution of pachastrissamine (jaspine B) which shows effective biological activity. Herein we describe an elegant straightforward synthetic path for this attractive molecule intermediate.

In order to study the reflection crack resistance of asphalt mixture, using Overlay tester, crack resistance property of five asphalt mixture types were analyzed based on the repeated loading mode. The paper analysis the influence of mixture types、temperature and volume index (void ratio) on the anti-cracking...

For wireless sensor network (WSN), this paper is mainly concerned with how to make the longest lifecycle of the network. Because sensor nodes in WSN are usually used to collaborate on a common goal, it focuses on the optimization of energy consumption of the whole network rather than that of a single...

With the bursting and rapid development of computer science and technology, the need for designing signal anti-interference devices is urgent. Therefore, we conduct research on high frequency signal anti-interference and corresponding applications on the design and implementation of cheating signal detector...

To better understand the phenomenon of valley width shrinkage after the impoundment of an ultra-high arch dam, the cause and mechanism of the narrowing of valley width on both sides of the high arch dam during the impoundment stage are studied and analyzed. The effect of reservoir water pressure and...

Unbalance of dc capacitor voltage is a key technical problem of NPC inverter. Through establishing the dc capacitor voltage balancing mathematical model of NPC three-level inverter, it can be proved that the NPC three-level inverter is a Passivity nonlinear system. By controlling the total charge of...

A novel trench based stress modulation structure for strained 90nm-gate N MOSFET is demonstrated in this letter. The numerical simulation using SENTAURUS SPROCESS shows that, with this structure, the channel stress can be changed from compressive to tensile in a case of compressive CESL strained device....

In order to explore and test the geometric flow and Bandelet coefficient combining method is applied to image fusion effect, in this thesis, on the basis of the Bandelet transform theory, with the help of Beamlab200 toolbox and Matlab platform, using construct geometric flow and Bandelet coefficients...

In this paper, the principle and key technology of gun barrel observation and detection are systematically expounded, and the research actuality of barrel observation and detection system is summarized and compared. This paper focuses on the application of machine vision technology in the detection of...

Indoor location has become an active research area and developing direction in the last decade, and BLE method is commonly used in indoor positioning. This paper mainly presents an indoor location system based on Bluetooth by using the method of region division and fingerprinting. The experimental results...

China is launching a campaign to replace fossil fuels with renewable energy. However, the vast majority of renewable energy needs to be converted into electricity before it can be supplied to consumers, therefore, the importance of power grid which is the transmission and distribution carrier of power...

Headstock is one of the most important parts of large rotation mechanism. Original design method makes the product excessively overweight. The topology optimization of headstock is taken by HyperWorks in this paper. It shows that the weight of headstock is lighter than before in the optimization result....

Extreme learning machine (ELM) algorithm, which becomes more and more popular in the area of artificial intelligence for the past few years, is faster than the traditional machine learning algorithms, especially than the single hidden layer feed-forward neural networks (SLFNs). However, ELM is merely...

Improved random selection strategy, self-adaptive crossover and mutation operators, population co-evolution algorithm are adopted in this paper to set up a new genetic algorithm(GA), guaranteeing the universality of population, the thoroughness of solution and the execution efficiency of algorithm in...

In order to meet the logistics industry report management flexibility, maintainability and other requirements, based on Microsoft SQL Server 2008 R2 database and Spring MVC framework of logistics report system design, combined with concrete practice process of the research and development of specific...

Glass curtain wall has received widespread attention because of architectural aesthetics that people persistent pursuit. But using glass curtain wall can bring the sharp increase of building energy consumption. For today's situation of energy scarcity, it is important to find a way to improve energy...

Multi-channel switch state detecting apparatus for wireless communication can simultaneously detect multiple switch status, real-time detection of multiple switch status. When the switch does not move, switch status detection means dormant. When the switch has the operation, switch status acquisition...

Based on establishing the computational fluid domainÿof underflow vertical lift gate under different openings, the 3D numerical simulation is carried out by a combination of VOF model and standard - model to predict the distribution of flow velocity, pressure and turbulence kinetic energy. The results...

In this paper, after introducing several methods of measuring weak current, a weak current measurement system is designed which consists of an ultra-low bias current operation amplifier ADA4530 based on the trans-impedance amplifier topology, a secondary amplifier, an eight-order Butterworth low-pass...

This paper has designed and analyzed a kind of parallel manipulator with redundant actuators. The manipulator has different DOFs and motions comparing to conventional parallel manipulators, which is mainly used to simulate various position of heavy, large equipments (such as buses, trucks), due to the...

This paper briefly discusses the application of the design of mobile belt conveyor special-shaped frame structure based on solid works finite element method. Take the special-shaped of the mobile belt conveyor as an example, using Solid Works analysis software for modeling and stress analysis. Through...

In order to make the tank armor vehicles lightweight, miniaturization, precision and high speed, a non-speed-sensor direct torque control strategy based on magnetic chain model reference adaptive systemÿ(MRAS) was designed, and the MRAS identification method based on the full-order adaptive state observer.Using...

In this paper, a new subject of teaching method for communication engineering is introduced. The study is on construction of teaching system of communication engineering, which is based on the new technology of data mining and data analysis. And the following part of the article presents the data analysis,...

This design scheme for the wireless automatic monitoring network in health care system is proposed, and the software design of the coordinator node and sensor nodes, the network on how to use the ZigBee network technology and CC2520 RF chip design combined with wireless sensor networks have a certain...

MPSK is a modulation method which uses various phase states of the carrier to describe digital information. And it is widely used in the field of digital communications. Now, the applicable scope of MPSK signal modulation is too narrow, and it is necessary to know the type of signal source to modulate...

Generally used tire model are Unitire model proposed by Academician Konghui Guo and MF-Tire model proposed by Professor Pacejka. In this paper, the tire model was for analyzing of handling stability of multi-axle vehicle. MF-Tire model was used to simulate the side slip characteristics of the multi-axle...

Three kinds of third order systems was studied to check the stability of homogenous type systems. And a Lyapunov function is chose to prove the stability of homogenous nonlinear system and it was found that it is very difficult to prove the stability without homogenous theorem. Also numerical simulations...

Black cumin seeds and products of its processing - butter and semi-skimmed flour - have high nutritional and market value. At the same time, there are no unified state or international requirements and standard methodologies for confirming the authenticity and quality of butter, flour and food products...

The aim of this preliminary research is to study the precision of pile foundation position compared to its original designed location. Before the installation of steel pipe piles for this project, the subcontractor found that the present vessel and equipment could not fully satisfy the plan twist angle...

In the spinning process of aluminum spinning products, the trail top force must be moderate. If trail top force is too small, sulg will be relative rotation with core model, even cast from working area and if trail top force is too strong, it will cause bearing overload of principal axis and trail top....

This paper mainly introduces the development, general features of the management and technical system of architectural heritage documentation in the UK. With the analysis of the current situation of architectural heritage documentation in China, it is believed that the recording system of UK can serve...

The distribution network may be influenced by access of a large number of distributed generations, such as the impact of short level, reactive power, voltage ride through limitation, bi-directional power flow, etc., which brought a lot of uncertainty for networks’ operation and controlling. The future...

Boron-doped diamond (BDD) electrochemical oxidation has been widely applied to the degradation of various organic pollutants, because BDD possesses unique physical and chemical properties as an ideal anode material. In this work, the degradation of ethidium bromide was studied by the electrochemical...

In this paper, the optimization proposal of a waste heat recovery exchanger has been studied by the method of net present value (NPV). The result shows that the maximum income and recover maximum heat can be obtained as the optimal NTU=2.19.

The information of surface topography and structure of coating layer were significant to the chemical-physical properties of coated paper as well as the print quality The main aim of this study was to investigate the effect of coating solid on the binder distribution in the method of numerical analysis...

Since the integrated function of wetland can cater to the consumption psychology and the higher level of spiritual pursuit of tourists, wetland tourism has been enjoying a great popularity among tourists from beginning. The traditional tourism exploitation mode is not fit for the unique geographical...

As the innovation of low-altitude airspace is advancing, the operating system is more mature, and the amount of aircraft increases rapidly, resulting in the increasing importance of the operation security. However, today’s research on safety evaluation of low-altitude airspace in China is lagging behind....

A synthetic route from 5-(2-Oxo-hexahydro-thieno[3,4-d]imidazol-6-yl)-pentanoic acid (biotin) to 6-Pentyl-tetrahydr o-thieno [3,4-d] imidazol-2-one which have important antibacterial bioactivity was described. The whole route processed in overall 56% yield, including an esterification, a DIBAL-H reduction,...

With the wide use of automatic production line in manufacturing enterprises, it is very important to calculate the optimal production tact to make production lines achieve maximum productivity. A CE-PSO algorithm is applied to optimize the tact of the LED bulb production line in this paper. The main...

At the age of "Big Data",the information has the characteristics of large volume, high complexity, fast growth and so on,as a kind of data processing, data mining is the key technology of the information of the era of "Big data" .The technology of data mining involves a lot of relevant research methods.This...

Phenol,as one of the main constituents of biomass tar, was used to gasify for hydrogen in this paper. It was studied that the influences of the reaction temperature, steam / biomass (S / B), load and the preparationof the catalyst on the hydrogen yield, gasification efficiency and hydrogen concentration....

Weight function of electromagnetic flow meter with non-insulation pipe is numerical simulated and verified. Weight function is very important for solution of flow velocity of distribution. In this paper, finite element method (FEM) is used for solving the weight function of this novel electromagnetic...

Based on the partition idea of reactive power source priority followed by the load, an improved partition method is presented in this paper which makes the core of dynamic reactive power source and combined with comprehensive reactive regions/nodes sensitivity. Firstly, the electrical distance between...

Recently there exist majority of simplified simulation situation of tunnel wall.To analyse how the simplified situation influences the result of simulation, this paper study conducted analysis of a certain range of temperature distribution within tunnel through the tunnel physical experiment. At the...

To investigate the surgical techniques and the clinical outcomes in the treating of the avulsion fracture of the fibula head by using suture anchors. From November 2008 to April 2013, 27 patients with the avulsion fracture of the fibular head were treated by open reduction and internal fixation with...

Using flashing combustion synthesized Si3N4 and silica fume as raw materials, the effects of firing temperature (1300°C, 1400°C, 1500°C, and 1600°C) and duration (3h, 6h, and 9h) on the synthesis of Si2N2O were studied. The results show that the main mechanism of the reaction is Si3N4 and silica fume...

The traditional houses in southern Fujian Province is an important part of Chinese dwellings.They are located on both sides of the Taiwan Strait where the wind disasters happened frequently. In the long history, many considerations on wind resistance performance of traditional houses in southern Fujian...

Although decision ability of intelligent decision support systems has been greatly improved, the method of decision making under uncertainty is a difficult point. In this paper, an algorithm based on rough set theory is introduced, and the approach to make decision in intelligent decision support systems...

The safety of automotive spray booth is relative to the social security and people' life property safety. Spot check of automotive spray booth can find the potential safety hazard and supervise the vehicle maintenance enterprise to strengthen the management and reduce the risk of fire accidents. Use...

The southwest region of Qaidam, in the sedimentary period in Paleogene, with relatively flat structure and basal stability evenly subsidence, was formed the " broad and shallow lake basin " ancient terrain. Ancient climate is arid or semi-arid environment, and such climate caused the intense physical...

Based on the damage mechanics of materials, the definition and content of meso damage mechanics are introduced, and then the meso damage constitutive model is derived. On the basis of meso damage constitutive model, The characteristics and applicability of Anand meso damage model, Gurson-Tvergaard-Needleman...

Coverless image steganography has evolved recently and got attention of researchers who seeks the security of information during the transmission. It is different from the traditional image steganography techniques that do not conceal the confidential information in a cover image to transmit. Rather...

The scheduling of reservoir floodgates is a crucial component of flood control measures. This paper introduces an optimised reservoir flood control scheduling model that takes into account the scheduling of reservoir gates. The objectives of this model are to minimise the number of gate operations, maximise...

Detecting maximum inscribed rectangle on irregularly shaped raw material is a key problem of cutting and nesting process in natural stone production plant. The present ruling method is the artificial realization, and has the disadvantages of low efficiency, poor utilization rate and so on. Based on the...

Epoxides are important intermediates in organic synthesis, ketone-hydrogen peroxide was a clean and efficient catalytic oxidant for the epoxidation of olefins.Eleven ketone- hydrogen peroxide systems were used in the epoxidation of -pinene to 2,3-epoxypinane, acetone- hydrogen peroxide system gave the...

A chemical extraction procedure for removing extractable heavy metals Zn, Cu, Cd using organic acid as extractant has been applied to wastewater sediments collected from wastewater treatment plant. The Tessier’s five-stage sequential extraction procedure for extractable heavy metals determination is...

DTA/SDTG and DSC techniques were used to study the thermal behaviors of citronellol- -D-glucopyranoside (CGLY) . The heating rate was 5, 7.5, 10, and 12.5 K min-1, the samples were heated from 30oC to 500oC. Methods of Friedman and Flynn-Wall-Ozawa were applied to calculate the parameters of thermal...

In this article two different optimization algorithms are presented to solve the deficiency of ant colony algorithm such as slow convergence rate and easy to fall into local optimum. This method based on Max-Min Ant System, established an adaptive model for pheromone evaporation coefficient adjusted...

According to the structure of hydraulic mounting and working principle of the electro-hydraulic servo test bench, established the system model constituted by HEM and test bench, then did the simulation analysis and experimental verification for the vibration system, the results show that the model is...

This paper conducts an analysis on feasibility of catering distribution based on ant colony algorithm and mainly sets initial parameters for relative programs, such as ant colony scale (number of ants) m, information element significance factor , heuristic function significance factor , information element...

Due to the high viscosity of the slurry during the preparation process of UHPC, a large number of bubbles will be introduced after mixing, reducing the compactness of the concrete and thus affecting the development of UHPC strength. In order to investigate the influence of internal bubbles on the performance...

Reveal the state of water resources carrying capacity in Shaanxi Province, and provide thought guidance and theoretical support for enhancing the carrying capacity of water resources in various regions of Shaanxi Province. Taking Shaanxi Province as the research object, considering four dimensions of...

At present most of the databases are limited in extracting data, such as full-text search, fail to searching synonyms or correlation.The most important, it can’t do real-time data processing. Elasticsearch is a open source search and analysis engine with highly extensible property.We can dig deeper into...

With the rapid development of network technology, especially the development of high-speed communication network, the scale of network becomes greater, the link capacity becomes higher and the link becomes more sparse, but network reliability research is also paid more attention by people. Paper introduces...

With the special legal assessment requirements in the EIA Law in China for environmental effects of the transport plan, some provisions have been made to facilitate the implementation of transport SEA to integrate environmental considerations into transport decision-making process. Following the popularisation...

This paper is devoted to simulation of the stress-strain state of a steel-encased concrete piles. Often, the use of steel-encased concrete piles is the most technologically advantageous, especially when large-sized structures are built in difficult ground conditions. However, traditional concrete-filled...

This paper presents a finite element analysis of the failure mode,ultimate bearing capacity and ductility of composite floor pipe truss with top chord by using ABAQUS software in the aspect of bottom chord cross-section size,depth-span ratio,width-height ratio,concrete slab thickness and strength grade.Put...

Cam mechanism is widely used as a common mechanism in automated or semi-automated machinery. To improve the cam mechanism design, efficiency and quality of machining process, a direct-acting roller follower disk cam mechanism was designed and simulated based on PRO/E. Computer-aided design and simulation...

Along with social progress and scientific development, there is increasing demand for smart devices. In this paper, the design of ultrasonic obstacle avoidance car can be widely used in intelligent household, intelligent robots and other sports-related equipment. This paper will use Verilog HDL language...

With the total level of unhealthy people increasing, it is common for people to take medicines. To guarantee organisms absorb drugs dose to the max, it is necessary to take medicines on time. In this paper, a portable appliance is designed, which can remind people to take pills on time, and the information...

A hybrid tracking control scheme which combines RBF neural network with nonlinear method is proposed. RBF neural network is designed to approximate the system uncertainty terms, and control is utilized to achieve a desired robust tracking performance. Based on Lyapunov theory, the tracking errors of...

Under the macro background of “Transportation +”, the expressway service area is gradually changing from the traditional single function to the open and diversified. This paper deeply discusses the construction architecture, key technologies and practical cases of the expressway open service area, in...

Since road traffic accidents have become a serious public hazard for social development, it is necessary to study the causes of serious road traffic accidents that have significant social impacts. The genetic characteristics of the serious road traffic accident have been pointed based on the analysis...

This paper mainly studies the improvement of Apriori algorithm based on smart home system. Association rule algorithm has the promotion effect to the analysis of the smart home user behavior. Apriori algorithm is one of the classical algorithms of association rules. However, the efficiency of the Apriori...

Wireless energy transmission technology is an important research field in recent years, and has a good research value and application prospect. Wireless energy transmission technology: short electromagnetic inductive coupling transmission technology, medium range of electromagnetic coupling resonance...

Three typical organic fluids for Organic Rankine power cycles utilizing low-temperature slag washing water of blast furnace is presented. With the aim of making the best use of the energy contained in a stream of 60–80 slag washing water of blast furnace. The available heat flux of R125 is the highest,...

Color stability is the key goal during the process of color dissemination and replication. The results of color consistent can be influenced by many factors. In this project, we focused on the error caused by measurement instrument, i.e. spectroradiometer. According to the radiance data collected from...

The surface physical and chemical properties of coating layer have an important effect on the final printing quality. In this study, the main aim was to investigate into the surface characteristics and surface microstructure of coating layer. The surface chemical property was explored by OCA to obtain...