In this paper, the process was discussed with CAE analysis and CAD design together to complete plastic mold design, with handle parts as example. CAE simulation can be used to analyze the best gate location, filling, pressure maintaining, cooling, warping and other problems. With the combination of mold...

SURF (Speeded-Up Robust Features) is a scale- and rotation-invariant algorithm, which has a better repeatability, distinctiveness, robustness, and a faster computing and comparing speed. In this paper, we propose an improved SURF algorithm based on ACO (Ant Colony Optimization). First of all, the algorithm...

Genetic Algorithm (GA) is a powerful global optimization search algorithm imitating natural selection and genetic mechanism, but it has low search efficiency in the late evolving period. Parallel genetic algorithm (PGA) can improve computational efficiency and accuracy greatly, so it has become one of...

The key of designing MCMC algorithm is the choice of acceptance function. In this work, Selection criteria of acceptance function is given, and an improved Multi-point Metropolis algorithm with generic acceptance function is proposed, which is called GAF-MPM. Then GAF-MPM is showed to satisfy Detailed...

This article adopts partial least squares regression method to forecast the price of domestic (China-made) large aircraft C919. With analysis of the pricing background and the relationship between performance index and price of foreign aircraft, we build preliminary model. And comparing with other modeling...

As Internet is very easy to implement the diffusing and sharing of resources, duplication of pages on the Internet is very large. The search engine as an index tool of Internet resources is facing a serious repeat testing, its crawler will encounter a large number of links of duplicate content. If these...

Architecture of cislunar communication networks, which focused on the requirements of lunar full-coverage and continuous cislunar communications, is presented based on Geosynchronous Orbit (GEO) satellite networks relaying. In order to analyze the dynamic connectivity problems, a dynamic network model...

The changes of leaves elevation are mainly influenced by sunlight. This paper makes the ASD (Area exposed to the Sunlight per Day) exposure model of leaves, which is analysis respectively from the tree only a leaf and two leaves, further proving more pieces of the leaves. We get the conclusion that the...

On the basis of the analysis of the current algorithms on generating detector, an algorithm of generating network intrusion detector is proposed to avoid the disadvantages of negative selection. The algorithm takes advantage of the strategies such as gene library (GeneLib) etc to improve the efficiency...

The image-target recognition technology, which can be widely used in military and civil fields, is the researching focus in the modern image-processing field. The paper detailedly introduced its current researching situation and application, discussed the problem of its classifying, analyzed and compared...

With the advent of video standard MPEG-4 and MPEG-7, the video motion object segmentation becomes extremely important. The paper firstly introduced some basic concepts and the common methods of the video object segmentation technology, and then analyzed the advantages and disadvantages of each method,...

The problem of the multi- constrained concurrent optimization is a difficult artificial intelligence one that exists widely in the real life and confuses humans for years. Such as: the operating frequency of planes and trains, the course arrangement in school and the test paper grouping etc. This paper...

order quantity forecasting in modern enterprise management occupies an important position, order quantity is influenced by many uncertain factors. this paper put forward a prediction method to predict the order quantity based on the combination of grey forecast and artificial neural network, the combination...

At present, housing security is essential to people’s daily life, so the application of monitor system is becoming more and more common. According to the background, the schema of transmission of alarming information to mobile call is introduced .The alarming system is composed of monolithic module and...

Today the changes of the test mode are common. Many exams have adopted computer test, so the reform of text mode will be a trend in universities. Based on the working practice, the paper showed a project about the reform. It improves the work’s efficiency greatly.

This paper presents a fabric defects automatic detection system which uses firstly local entropy to detect roughly and then single adaptive wavelet analysis, finely, and reports an actual verification and comparative experiment. The experimental results verify the feasibility and effectiveness of this...

With the practical application of silicon micro-machined gyro driven by rotation aircraft, it is found that the rotation aircraft’s rudder surface vibration significantly influences the performance of the gyro. In this paper, as the background of the silicon micro-machined gyro, the vibration mechanism...

In this paper, we present recent work on the design, fabrication, and packaging of a new gyroscope, by silicon micromachining, for the autopilot of rotating aircraft. The multi-functional micro-machined gyroscope generates the gyroscope effect driven by the roll of rotating carrier, and sense the roll...

In the elliptic curve cryptosystem (ECC), curve choosing directly affect the various factors of ECC, such as the speed of encryption and decryption, efficiency, security and even the length of the length of key. Therefore, it has a great importance in choosing a well performed curve in ECC. This paper...

The magneto-rheological fluid Dual Clutch Transmission (MDCT for short) adopts the magneto-rheological (MR for short) effect of magneto-rheological fluid (MRF for short) and the working characters of Dual-Clutch Transmission (DCT for short), and combines the characteristics with long service life, no...

This article researches the force characters of the Extra Vehicular Activity (EVA) glove under different pressure conditions using an ergonomic experimental method. First, 20 male subjects are selected to operate a series of operation actions with their bare hands. Some typical operation actions, such...

In order to evaluate the state change of the muscle force of the upper limb for the astronaut after a long time space flight, a bed test is designed to analyze the human performance of this ergonomics problem. The Detrended Fluctuation Analysis (DFA) technique is utilized to evaluate the change situation...

Scientific literacy has been regarded as the science education especially the basic education stage of the important goal of education of science. In 1990, the internationally accepted research methods had been introduced into our country, and now it has formed a survey of ideas and index system suited...

Author found that the micro-mechanical pendulum mounted on a rotating body has gyroscopic effect, which can be sensitive to yaw, pitch and spin angular velocity of the rotating body at same time. It has the function of the three traditional gyro. This paper reported the principle of micro-mechanical...

With the practical application of silicon micro-machined gyro driven by rotation aircraft, it is found that the rotation aircraft’s rudder surface vibration significantly influences the performance of the gyro. In this paper, as the background of the silicon micro-machined gyro, the vibration mechanism...

The temperature of electric initiating device under constant current has the vital significance to security and firing performance of electrical explosive initiator. Semiconductor bridge which is representative in electrical explosive devices has been widely used for excellent performances. In this study,...

In order to improve the detection accuracy, we study on the HMM model based on system calls anomaly detection. We starting from the program semantics issued system call, analysis that the state hidden behind system calls is the program execution state. Then put forward that hidden state must greater...

With the continuous improvement of train speed, disc braking are widely applied due to its high-power of braking, reliable working, etc. In this paper, relative wind speed of different locations on the brake disc surface during braking has been calculated, and the equivalent wind speed coefficient is...

In order to improve the accuracy of random vibration power spectrum playback experiment The traditional FRF H1 estimation has improved .The methods of FRF estimation have been proposed based on EV model for the H1 under-estimation problems. The FRF H1 estimator is updated based on the power spectral...

Detecting conspirators, which often relates to organized crimes, represents a major problem for many investigation bureaus. A prioritization algorithm based on centrality analysis was introduced. The correlation between suspects was modeled as a social network, and the degree, betweeness and eigenvector...

With the development of workflow technology, operation simulation of workflow is becoming a new hot spot of the workflow technology. In order to further promote the construction work of the enterprise standardization and process. The present study establishes a workflow operation simulation model based...

The classical attribute reduction algorithm and its extended algorithms base on information system with decision attributes and can not be applied to attribute reduction for information system without decision attributes. So, based on rough set theory, this paper studied attribute reduction for information...

An automotive instrument cluster was designed based on OSEK standard. The system includes hardware and software. The instrument module connects high and low speed can network, and the software is developed on OSEK standard, which makes the system designed has the following characteristics: universal,...

Through analyzing the operating principles of the hydraulic retarder of automatic transmission, it is indicated the necessity of hydraulic retarder in heavy vehicles. From testing the operating procedures and retarding ability of the hydraulic retarder, it is verified that the hydraulic retarder could...

Aiming at the requirements of reducing the wires and cost of vehicular electrical systems, it is presented a scheme of the network control system for car lights. It is firstly introduced the characteristics of Controller Area Network (CAN) bus which is generally implemented in control systems for modern...

The 2-DOF vehicle model is generally used to be reference model of automotive electronic stability program (ESP), while the equivalent tire cornering stiffnesses of front and rear axles are key parameters to build it. A 2-DOF vehicle model is built, and a direct searching unconstrained nonlinear optimization...

For adapting the change in requirements of the products, the modern digital design has becoming one of the most important methods which could improve the sensitivity to the market, and meet the requirements for the functions, quality and development cycle of products. In this paper, it is firstly presented...

The vehicle active safety perception platform is a effective way to prevent vehicle accident. Lane Departure Warning System (LDWS) is one of the most important aspects of this system. In this paper, a set of image processing method which can give results fast and accurately in the non-ideal conditions...

In the HDFS cloud storage environment, the existing replica strategy is not able to adopt the optimal replica according to the current system environment dynamically, which affects the performance of the Cloud Storage system. This paper aims at the replica selection strategies in the load balancing problem,...

In order to facilitate user access to e-commerce site, improve site access rate, meet the needs of users and maintain website performance, this paper is to establish a structural optimization model and to provide algorithm for ecommerce business by starting from structural optimization and adjustment...

The Optic packet transport is the ideal technology, that realizes seamless connection of the optical transport network and electric layer IP network. The paper studies two kinds of current mainstream technology, include the optical transport network and the packet transport network, and discusses the...

In order to reduce the error of interangle cosine method or correlation method in the chromatographic fingerprints analysis, an improved similarity algorithm that assigns different weight according to information entropy was proposed in this paper. In this way, 23 samples of Exocarpium Citrus Grandis...

This paper presents a method based on a multi-objective self-adaptive differential evolution (MOSaDE) algorithm to improve the parametric reconfiguration feature in the optimal design of a parallel robot. We propose a MOSaDE algorithm, in which both trial vector generation strategies and their associated...

Accurate and efficient clock synchronization algorithm is very important in Wireless Sensor Networks (WSN). Considering the physical nature of sensors, a multi-model kalman filter clock synchronization algorithm based on experiments and hypothesis testing theory is proposed. The sensor experiments on...

The classical algorithm uses Dynamic Programming to construct an Optimal Binary Search Tree. In this paper, we research into the dynamical process of building an Optimal Binary Search Tree and present an optimized solution. Time complexity is reduced from O (n3) to O (n2). Meanwhile, three feasible parallel...

In order to lower the consumed threshold, a practical image preprocessing method was proposed for Quick Response (QR) barcode recognition. It could increase the speed of recognition by this decoder so as to embed this algorithm into mobile terminals. Instead of using the traditional methods such as edge...

With the rapid development of Internet, online information has greatly enriched. The Internet becomes a vast treasure of information, but simultaneously it is also flooding with various trash information, such as: viruses, Trojans, violence, pornography, gambling and so on. The hostile forces outside...

With the rapid development of high-precision machining technology, materials used in foundation structure of machine tool plays an important role in alleviating vibration and keeping machining precision. In this article, a new material design and the corresponding simulation analysis of resin concrete...

The objective of this paper is to elucidate how the ergonomic experiment is designed to simulate the space operation conditions and evaluate the influence of these conditions on mechanical characteristics of basic actions. The ergonomic methodologies and data analysis technologies are translated into...

For improving the effect and efficiency of image enhancement, an improved version of median filter for binary fingerprint image is realized. First, the times of compare during ordering process is reduced by the divide-and-conquer method. In addition, it makes the best use of direction of fingerprint...

With the popularity of electric vehicles, a large number of charging stations connected to the grid, will bring large impact for the power, voltage and current of grid. This paper based on several scenarios of charging modes, such as plug and charge, night charging and intelligent charging, the corresponding...

In recent years, with the development of computer and networking technology, much more attention has been raised to digital watermark technology. The robustness and invisibility are two main indicators of the digital image watermarking system, and the combination of watermark pre-processing and embedding...

Virtual assembly is a promising application in education, design and manufacturing. Traditional virtual assembly applications are based on virtual reality technology. Based on 3D game engine, this paper proposes a new method of building virtual assembly applications, which is more efficient than traditional...

On the basis of cluster rendering, we present a WAN-based distributed animation rendering system. According to the distribution of resource on WAN and the characteristics of computational nodes, this paper presents how to construct a distributed rendering system on WAN. Combining with P2P technology...

Machinery dynamics is an important branch of physics based on experiments which usually are inconvenient and expensive in reality. Computer simulation is a reasonable substitute for real experiments, but traditional mechanics simulation approaches also have many disadvantages, such as low interactivity,...

The main research object of the paper is route optimization problem of road transportation, which focuses on motorcade transportation. It mainly includes: analysis of factors influence route optimization, establishing the model of motorcade transportation route optimization, researching the solution...

With the rapid development of the Internet, information as well as websites boomed. And, being differentiated in style, structure or content, it is unable to get the information from different pages using the same model, while it is really a waste of time to search each line of the page to find useful...

the article studies the limit cases of the traffic flow in road network, such as the problem of the Biggest Traffic Flow & the Shortest Time Flow and the Optimal Flow in road network. The model and algorithm of the Biggest Traffic Flow & the Shortest Time Flow are presented, and an explorative study...

Model of HVAC defrosting duct of a light bus was built, and inner air flow field features was simulated in CFD software FLUENT, from which we could acquire the outlet flow distribution and jet velocity. In addition, to find out whether the jet angle was reasonable, model of air flow area close to windshield...

Nowadays in campus, the mobile terminals (smart phones, tablet PCs, etc.) are becoming increasingly popular. In order to make students to know teaching information timely and share study materials whenever and wherever, a mobile teaching platform based on Android is designed in this paper. The platform...

Evaluation of geological environment in urban soil is an effective way to indicate the quality of the urban environment. In a city, after an acquisition of sufficient samples of topsoil concentrations of heavy metals information, we can conduct a numerical analysis of the city comprehensively and explore...

This paper discusses the optimization problem of the repeaters’ distribution in a circular area with a radius of 40 miles. The hexagonal Cellular model is used to achieve regional coverage. We divide the frequency band of repeaters as well as combining different private line (PL) to prevent the interference...

The finite element model for the cab body-in-white (BIW) of heavy commercial vehicle is setup, and based on which a modal analysis is performed. In order to verify the accuracy of the model, using multiple input multiple output methods on body structure modal test, using modal analysis technique to identify...

A new experimental technique by means of split Hopkinson tensile bar (SHTB) at elevated temperature of 800 was introduced. By this technique we carried out an investigation into the dynamic properties of 2D C/SiC composite at both room and elevated temperature of 20 and 800. It was found that the failure...

This paper investigates interval type-2 fuzzy PID control under Gaussian and triangular primary membership functions.Three types of type-2 fuzzy PID controller simulation diagrams are given.The simulation results show the available of interval type-2 fuzzy PID control.

A new optical encryption system is presented in this paper. By replacing the random phase plates by random amplitude plates in the double random phase encoding system, a novel optical encryption system is formed. The Statistical characteristics of the autocorrelation function of the encoded image are...

Labeling corpus with Feature Structure is a new attempt of the large-scale semantic descriptions and semantic annotation. This paper put forward the Feature Structure theory to resolve the semantic label of Chinese phrases and sentences. We chose “subject-predicate predicate sentence” as the research...

This paper combines semantics and syntax to study the combining separable slots of V+O separable words in modern Chinese in a comprehensive perspective, namely the [AB+] form. The paper discusses and analyzes the selection and restriction within the quantitative V+O separable words. It further analyzes...

Loading and unloading experiments on rock materials have shown that the strength parameters and deformation properties of rocks during unloading were considerable different from those during loading. Therefore, it is reasonable to evaluate the stability of underground engineering during excavation based...

In this paper, the elasto-plastic dynamic analysis on dynamic failure behaviors of steel double-layer grids supported by circumjacent steel columns used in a gymnasium with the function of earthquake victims shelter under disaster earthquake is carried out under EL-centro wave with SAP2000, and the appraisal...

Nine beams strengthened with helical rib steel wire near-surface mounted(NSM) in the concrete cover under monotonous loads are tested, and cyclic loading, security, delay and bending deformation of reinforced concrete beams are systematically studied. Test results indicate that NSM helical rib steel...

In this paper, the analysis on dynamic failure behaviors of steel double-layer grids supported by circumjacent steel columns used in a gymnasium with the function of earthquake victims shelter under strong earthquake wave is carried out under EL-Centro wave with SAP2000, and the appraisal results on...

In this paper, Gaoping Jishi civilian house which is the earliest civilian house of Yuan Dynasty is taken as example (AD 1294), and the current situation material of Jishi civilian house and surrounding environment is obtained and analyzed through field research, then the measure and method of protecting,...

The purpose of this study is to explore the engineering problem finding ability of high school students of road and bridge engineering. Students were categorized and evaluated qualitatively based on school and gender of respondent. Results indicate that the most consistent predictor of creativity in...

Real estate industry, whose volatility will bring about the fluctuations of other related industries, is a basic industry highly associated with the national economy. With the development of real estate market in recent years, the non-rational growth of real estate credit of the commercial banks in China...

In this paper, the elasto-plastic dynamic analysis on dynamic failure behaviors of a steel double-layer hexagon grid used in a swimming gymnasium with the function of earthquake victim shelter under disaster earthquake is carried out under EL-centro wave with SAP2000, and the appraisal results on their...

In this paper, the analysis on dynamic failure behaviors of steel double-layer cylindrical latticed shells supported by steel rectangle columns in a gymnasium with the function of earthquake victims shelter under disaster earthquake is carried out under EL-centro wave with SAP2000, and the appraisal...

In order to improve indoor air quality and reduce energy consumption of residential building, the paper focuses on measuring the concentration of CO2 and calculating the air change rate with different ventilation time to evaluate the performance of natural ventilation. Results show that it is difficult...

With the rapid development of communication industry, many kinds of severs are displayed in the data center today. Their different power consumptions lead to different heat diffusion. The decorate position of air conditioning units have sever effects on the air distribution and the operation of all kinds...

A long time immersion test of fly ash concrete specimens in sulfuric acid is carried out. On the basis of the experimental datum, a novel prediction model for sulfuric acid corrosion of concrete based on support vector machine (SVM) is proposed. The design steps and learning algorithm are also given....

This paper using the finite element software of ABAQUS to simulate a RC frame deformation characteristics and energy dissipation characteristics when the loading posi- tion is different.

Reactive powder concrete (RPC) is a kind of cement-based composite material with super-high compressive strength, high toughness and good durability, which could be used for footbridge and make the bridge economic, aesthetic and durable. Taking a steel footbridge with a main span of 47m as prototype,...

Due to lacking of explicit limit state equation in first order reliability method (FORM) solution is hard to obtain on building fire risk analysis, The direct Monte Carlo simulation will face huge computation. Therefore, a new analysis method based on improved response (IRS) is proposed, which constructed...

In this paper presents a calculation investigation on the Elastic-plastic incremental dynamic response elastic-plastic analysis of gymnasium practice hall under the loads of EL-Centro earthquake. the appraisal results on their anti-failure performances are presented under strong earthquake action based...

In this paper, the finite element analysis software MIDAS GEN structure, take give frame structure joints place just threshold method, the frame structures in the action of the rarely met earthquake elasto-plastic static analysis. Through comparing the different just domain length (not just domain, standard...

This paper is to mainly study to the lifting platform in the unit by the board device in the copper electrolysis anode plate. According to the design and application requirements, It is proposed four-cylinder symmetrical drive overloaded scissor lift platform design and mechanical analysis of the lifting...

Many diseases of the high grade highway asphalt pavement in our country such as lack of durability and being distressed early have close relationships with improper gradation design. In this paper, based on the fractal theory, fractal dimension range was obtained through Marshall Test results of type...

A structural parameter identification and damage detection approach using displacement measurement time series is proposed, and the performance of the approach is validated experimentally with a frame structure model in a healthy condition and with joint connection damages. The proposed approach is carried...

Forty five BFRP confined square and rectangular concrete columns were tested under axial load to evaluate their capacity and ductility ablity. The numerical simulation of Concrete Column Confined by BFRP sheets is simulated by using ANSYS software, and the stress distribution and crack development of...

The development of tall building requires better design of deep beam. Blindly increasing the section size and the amount of bar are not the best way. Along with the development of the reinforcement of FRP, combining the reinforcement of FRP with the deep beam is perhaps a good method. The main standpoints...

In order to study the mechanical performance and the overall performance of the reinforced concrete frame structure with stairs under the earthquake action, this paper uses SAP2000 to model the reinforced concrete frame structure with and without staircase, calculate elastic seismic response of the models...

This essay has introduced design of the second seismic fortification lines of 21m single span roof layer frameworks in a real-estate center, mainly explained the realization of multi-defence system of seismic engineering in the structure from conceptual design of structures and presented the application...

In this paper, the large-scale general finite element analysis software SAP2000 to establish a double span continuous beam finite element model,using a Stepwise analysis finite element method to analysis on the same cross section width and span,Different types of bearing and the beam section height change...

In the bending forming process, it is well known that the relation of the forces and the strains. But it is inexplicit about the dynamic process. This paper analysed the bending forming dynamic process of the pure T2 copper. A finite element mesh is printed on the top end surface of the specimen by a...

In the ANSYS environment, when the connection between the steel roof and bearing are rigid and hinged, do the modal analysis for this gird roof by using the subspace iteration method, get the former 50 order natural frequencies and mode shapes of this structure, and do time-procedure analysis to understand...

With the automatic recording system of running red light widely used in traffic management, traffic violation of running red light has much suppressed. Since the automation recording system use the coil to detect the vehicles, parts of the vehicle drivers arouse some new traffic violations in order to...

According to the spatial distribution characteristics of the network is divided into sections and intersections of City road-network , according to the distribution of traffic flow characteristics an reference of relevant standards at home and abroad, the city traffic sustainable development degree is...

The theoretical research on raindrops movement should promote water conservation in the Loess Plateau. Four influence factors on the raindrops falling in the Earth atmosphere were studied, which include gravitational force, buoyancy, viscous resistance and Coriolis force. Three mathematical models on...

As essential part of a city’s integrity, open space plays a key role in making complete urban functions, shaping a highly-accepted city image, creating a better urban environment and passing down historic and cultural heritage. Also, it is an important place where people contact and communicate with...

The design of river revetment is a difficulty in the landscape design in water-deficient cities. This paper analyzes the problems in water revetment’s adaptive design in three different aspects, which are flood control, ecological compensation and water self-purification. Following the principle of “ecological...