The paper proposes a new methods which used in image matching Harris corner extraction and corner matching. On the basis of the original Harris algorithm, the efficiency of extracting corners is improved by reducing the number of computing the corner response value. Then the NCC algorithm is used to...

The dry electrical discharge dressing and truing technology was proposed to realize the high efficient and precise truing of diamond grinding wheel in this paper. Firstly, the V-shape tip of diamond grinding wheel was formed using dry electro-contact discharge (ECD) truing along setting crossed V-shape...

The power industry is the foundation and pillar industry of the country, and it is also an important industry related to the people's livelihood. After the information construction in recent years, the power plant has built the information system of power information data communication network. The safe...

Crowdsourcing testers don't have to sign any contract, and the anonymous crowdsourcing testers determine the quality of tests.To match the recommended tasks with testers, a two phase task recommendation method based on Top-K algorithm was proposed. Category was introduced to reduce time complexity of...

The problem of consumer purchase behaviour has been concerned by many researchers. The paper presents an agent-based model of consumer purchased behaviour. The main of agent-based modelling is the modifier motivation function that considered price of commodities, quality of commodities, and website quality....

Since the base version of IEEE 802.11 released in 1997, wireless local area network (WLAN) has been developing rapidly, and it has gone through many versions and amendments. The 802.11 protocol is now very sophisticated through 20 years of modification. Therefore, it is very hard to understand all improvements,...

Based on research and analysis of the cloud services composition optimization problem, the cloud services composition optimization method of in cloud manufacturing was proposed in this paper. In order to effectively describe the cloud manufacturing services of rectangular cutting, the description model...

In view of the problems of the current packing methods, the development framework of the packing and cutting optimization system of two-dimensional irregular parts oriented to excess material was proposed. Two models of the hybrid architecture of C/S and B/S were analysed. The architecture of the packing...

For achieving the standardized management of safety protective fence of mechanical equipment, regulating the arrangement of fence sizes, and solving the problems of waste materials of site fences and difficulties in trepanning fences, an optimized designing new program for the arrangement and trepanning...

People's living standards have improved with the development of society, and concerts have already become part of our daily lives. Though there are thousands of pop concerts around the world each year, the interaction between idol and fan during the show is still primitive and limited, and almost every...

A novel uncoupled translational parallel mechanism (UTPM) with three degrees of freedom (3-DOFs) is presented, which is composed of a moving platform connected to a fixed base by three identical kinematic chains. Firstly, kinematic output property of the moving platform is analyzed. Then, both the forward...

series of ZnO nanomaterials were synthesized by assistant of sodium lignosulphonate (SLS) using hydrothermal method. And nanoplates, nanoflowers structures of ZnO have been fabricated successfully. XRD SEM and PL were applied to characterize the prepared ZnO. XRD analysis indicated that prepared ZnO...

A simple and facile approach of hypercrosslinking was followed to synthesize hollow microporous polymer microspheres (HMPMs) and later incorporated with the magnetic fluorescent bifunctional nanoparticles (Fe3O4, CdSe/ZnS) following the in-situ co-precipitation and swelling methodology. The morphology...

Engineers are sometimes asked to analyze the feasibility of existing control systems or design a new system. The conventional analysis and design methods heavily depend on mathematical calculation. In order to minimize calculation, graphical control is proposed. This paper aims to introduce three different...

Multi-axial fretting fatigue wear mechanisms of steel wires of hoisting rope and the protection design were explored in the present study. Multi-axial tension-torsion fretting fatigue behaviours of steel wires were investigated employing the self-made test rig. In order to quantitatively explore wear...

As a kind of design technique, industrial moulding design has been applying in all kinds of production design, especial the new products. Taking the ZDY Directional Drilling Rigs as a example, the paper gives a detailed description of application and research of industrial moulding design in developing...

The region of interest (ROI) segmentation of infrared image is one of the key steps in intelligent fault diagnosis of power equipment. Subsequently, a two-dimensional entropy multilevel threshold based on bat algorithm is proposed. By analyzing the multilevel threshold segmentation principle with two-dimensional...

To address the low accuracy and low stability of a single algorithm for transformer fault diagnosis, this dissertation is based on multi feature fusion diagnosis algorithm by combing support vector machine (SVM) and D-S evidence theory, The way to construct the basic probability assignment(BPA) of evidence...

Aiming at the problem that the probabilistic neural network (PNN) is difficult to determine the smoothing factors in the process of partial discharge recognition in GIS. A model of GIS partial discharge recognition based on Mind evolutionary algorithm (MEA) is proposed to optimize the PNN. The MEA has...

The prediction of equipment malfunction is crucial to guarantee its safe operation and improve its management efficiency. Combining with the character of cloud manufacturing, this paper makes the malfunction prediction of the cutting machine come true, which is based on the improved Apriori algorithm....

Systematic experimental studies on microstructure evolution and texture development of pure Al during torsion at room temperature are carried out by electron back scattering diffraction (EBSD) and transmission electron microscopy (TEM). The microstructure evolution states the grains of deformed pure...

3D printing, a kind of emerging technology in additive manufacturing (AM), has been applied in many areas and aroused significant interests in academia and industry, for it promotes the development of democratizing design and manufacturing at lower overall costs. However, most 3D printers use open-loop...

This paper is based on the traditional network of bayesian, introducing the concept of the time window, to construct the Temporal Bayesian Network (TBN) model. In addition, optimizing TBN model reasoning algorithm to process system data which has the temporal haracteristic. Then we can obtain the posterior...

Combining with the trend of social development and the literature, this paper illustrates the importance of informationization construction in hospital, especially its role in the modern hospital management and the social and economic benefits. The hospital information construction is the inevitable...

After reviewing a large number of books and articles on the cost of tobacco logistics, this paper summarizes the results of the study on tobacco logistics costs. First of all, it summarizes the characteristics of tobacco logistics, which leads out the development trend of tobacco and the development...

The Solidworks Simulation Application Programming Interface (API) functionality can be used to automate the creation of studies, The API provides a powerful platform for automation as well as productivity gains for any user who needs to build custom inputs or outputs to drive Simulation studies or has...

As a unique visual form, optical illusion can play a stunning effect in a wide range of applications, such as home design, architectural design and graphic design. The previous theoretical researches on the optical illusion are productive, and the master of art and design even makes best use of visual...

This paper studies the maximum power point tracking (MPPT) methods under partially shaded conditions for a stand-alone PV array system. The rules for judging partially shaded conditions are presented and integrated into four MPPT methods. These methods are tested in real-time simulation environment,...

Finite element method is used for post-buckling analysis of pipeline usually. In order to study effect of interaction between pipeline and seabed, FEM of pipeline exposed on seabed is built based on ANSYS, interaction between pipeline and seabed is studied, as results show that critical buckling force...

Aluminum Conductor Composite Core (ACCC) is expected as an important conductor in Flexible Alternative Current Transmission Systems (FACTS) and High Voltage Direct Current (HVDC), compared with Aluminum Conductor Steel-Reinforced (ACSR), has the characteristics of high strength, high temperature resistance...

With the process of software development and application basing on network and cloud, the change of software development requires new software defect prediction method for these kinds of software development, which can solve the problems of the traditional software defect prediction method based on target...

In order to improve the robustness and scalability of the smart home system, this paper presents a design scheme that based on Docker containerization technology for building an SmartHome system cluster. In the Openstack environment to create a Docker container instance in this scheme.Through the Docker...

For the large-scale integration of renewable generation into power grid and strengthening of active load regulation ability, the power transmission and distribution network coupling has become closer, and the contradiction between the source and network has been more prominent, which has brought new...

With the development of rectification technology and DC equipment, hybrid DC-AC transmission has arisen in the distribution network. In addition, the penetration of distributed generation (DG) in the distribution network makes the analysis of power system more complicated. As a key measure of grid programming...

In this paper, a high speed mono-hull ship is taken as the research object, and the roll decay tests are carried out under different drafts and different initial rolling angles of two ship models with or without bulbous bow, The movement process of the roll motion of a high speed mono-hull ship is studied...

REST based Web services and SOAP based Web services are two of the most mainstream forms of Web services. The performance of these two services is lack of detailed comparative analysis. In this paper, the power quality application is combined with these two kinds of Web services to realize the sharing...

This pilot study evaluated the APACHE Score and QT Interval Dispersion for the Prognosis of Critical Cardiovascular Diseases.

Massive Open Online Course [1,7] (referred to as MOOC) is currently the hottest online education model. It is mainly composed of many micro-course videos, and has greatly changed the way of learning. But most of the micro-course videos in MOOC are traditional, students will feel boring for a long time,...

It's impressive to learn about how our minds work. In this work, we have discovered that when a person closes his or her eyes, the value of multiscale symbolic transfer entropy(MSTE) [1] of electroencephalogram (EEG, Lead Fp1 and Fp2) grows larger. In other words, the coupling of Lead Fp1 and Fp2 is...

With the increasing capacity of wind turbines, the key parts of wind turbine bear the increasing load, and the structural reliability have become increasingly demanding, thus, Requirements of wind turbine control system control algorithm, can not only realize power optimization control, also can achieve...

This In order to solve the problem that the spatial matching is difficult and the spectral distortion is large in traditional pixel-level image fusion algorithm. In this paper, we proposed an block-based compressive sensing image fusion method based on particle swarm optimization algorithm. We get the...

The optimum conditions for the enzymolysis were as follows: temperature 50 , pH 6.0, time of hydrolysis 5h, the optimum conditions were as follows: temperature 50 , pH 6.0, The amount of enzyme was 6000U / g, and the degree of hydrolysis of the collagen deer velvet collagen was 15.49%. The molecular...

This paper systematically discusses the technical basis, core technology, game example of Cocos2d-x. The development of mobile games based on cocos2d-x is described in detail including the building of the game development environment and the development of Lua shooting game.

The reliable operation of power equipment related to the performance of surface-to-air missile weapon systems, accurate fault diagnosis of power system is very important. In order to make an accurate diagnosis for power supply equipment of the surface-to-air missile weapon systems, this paper introduces...

The tension leveler is generally set after the billet guide and the secondary cooling device, continuous casting machine for continuously casting and straightening billet, another important function of the tension leveler is to transport the spindle. The opening degree of the upper and lower rolls can...

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...

Objectives: Promote the application of virtual technology in medical informatization, improve the resource utility ratio, reducing costs, and ensuring a secure and reliable system. Methods: Research the strengths, risks and limitations of virtual technology, based on the current application of virtual...

In order to solve the issues such as high labor intensity, low work efficiency as well as bad reaping quality regarding manual sprout harvesting, realization of feeding of sprouts by self-weight for the existing sprout harvester and manual collection required for reaped sprouts, a type of rotary sprout...

This reciprocating sprout harvester is designed to solve the issues including high labor intensity, low work efficiency as well as difficulty in ensuring reaping quality regarding manual sprout harvesting. SolidWorks software is adopted to conduct 3D modeling of every part as well as the overall unit...

To quickly design automatic feed mechanism for ejector pin, the Solidworks Motion functional module of Solidworks platform is utilized to establish a motion simulation model of this mechanism, whose motion and the influencing conditions are described in a visual and intuitionistic way, and the major...

A new kind of optimal PID control method was proposed to solve the attack angle tracking problem of hypersonic aircraft . Both the control of attack angle and speed of aircraft are realized by the optimal PID control strategy. And a kind of integration of error method was used to mark the performance...

This paper mainly discusses an impulse control problem where the drift of dynamics is not only quadratic but also constrained in the control variable. We establish the HJB equation to get the closed form of the value function. At the same time, we obtain the optimal control in some case.

In view of the doubly-fed wind power generator (DFIG) under grid voltage unbalance, double frequency disturbance component will cause a series of electrical and mechanical problems. A novel DFIG-DVR system is proposed to ride-through unbalance grid voltage conditions, the series coupled DVR of which...

The system is based on the motor controller L298N chip, near field communication RC522 and network communication W5500 module as the core device to MSP430F5529 microcontroller as the system master control unit, control relay (motor) work, RF reader RC522 read data, 12864 display Content, network module...

Taking the wind power generation's pollution-free, easy access and other characteristics into account, Wind power has made great progress in China's renewable energy industry. But because the wind is not controllable, wind power can not guarantee a stable power output, bringing uncertainty in the operation...

BIM as a use of the establishment of the model to achieve the construction project cost of high-precision calculation This article describes the basic connotation and development of BIM, and demonstrated the technology show in the power engineering cost control and dynamic strengths and future prospects.

Through the analysis of the way of Labor-saving flitting, a new smart pneumatic balance crane which combines micro-control technology with pneumatic technology is presented. Firstly, the overall design of the system is completed. Secondly, the principle of each functional module is described in detail,...

As the electric energy consumption of pure electrical vehicle(EV) is huge, the driving range of EV is usually short. To solve this problem, the energy consumption experiment of EV was carried out with the electric energy consumption testing system in NEDC and Jap1015 driving cycles. Then the effect of...

As the electric vehicle experiences the acceleration and deceleration periods alternately, the power battery open-circuit voltage at the relaxation stte after discharging varies greatly, which brings difficulties in measuring the state of charge(SOC) and causes measurement errors. To solve this problem,...

The open circuit voltage (OCV) of lithium ion battery is a key parameter for hybrid electric vehicle (HEV) to estimate the state-of-charge (SoC). And its instability will lead to big error of SoC estimation and have difficulty in implementing the dynamic control strategy of HEV, especially when the lithium...

The new kind of pedal pump that handling easy, safe and reliable, versatile was designed, its working principle was detailed shown. on the condition of meeting the design requirements and the actual, its' mechanism was the developed and optimized by the type synthesis of mechanisms and virtual prototype...

Comparing the system layer is the key and foundation of reservoir research, but The F oil reservoir belongs to the diversion plain and the leading edge of the reservoir, and it is not suitable to use thick contrast method. At the same time, well network density is very small, and the comparison of well...

By using a finite element analysis method in this paper, the rigidity and strength of a vehicle type clutch pedal was simulated and analyzed, in order to verify whether the rigidity and strength of the clutch pedal meet the design requirements, and thus to provide theoretical basis for the freezing of...

In aerospace equipment manufacturing, the machining deformation of the large integral structure is seriously influence on the machining efficiency and the accuracy of the parts. Based on the theory of elastic-plastic theory, the finite element analysis model of machining deformation of 3D integral frame...

Design performance assessment of fire alarm system is to test the design scheme of large complex fire alarm system and determine the degree of satisfaction of the system design objective. The second-grade indexes of design performance assessment of fire alarm system are extracted by principal components...

With the development of industry and the progress of society, a kind of vehicle that can travel on the ground like a car and fly in the air like an airplane has become a research focus both at home and abroad. The method of bionic design and aerodynamic design method based on the combination of aesthetic...

The molten Al (aluminum) droplets collision research was conducted to investigate the collision mechanism in high temperature field. By using the 3D printing technology, the solid Al was melted into liquid by high-frequency electromagnetic heater, and the collision process was recorded by high speed...

In order to evaluate the effectiveness of automatically generated attack airline from mission planning system. The evaluation model is put forward, which is the integration of fuzzy theory, the grey system theory and multi-objective decision method of TOPSIS (Technique for Order Preference by Similarity...

Carbon emission, results in global warming, and endangers the survival and development of human society. Therefore, a series of climate change response agreement such as the "Kyoto Agreement", "Paris Agreement" are introduced. Although the United States has withdrawn from "the Paris Agreement", the development...

With the strong support of the government, China's new energy automotive industry has developed rapidly, and the quantity of the waste EV batteries have been produced. From its huge quantity, environmental protection and resource regeneration point of view, waste lithium-ion batteries have a high recovery...

The best process was determined through determination in different temperature of polysaccharide completely dissolved time, the precipitation coefficient after standing some of the different time and the filtering effect of different filter medium. The Coriolan oral liquid was trial produce by the best...

The so-called brushless DC motor is a nonlinear, multi-variable and highly coupled system, the general PID control is impossible to achieve the desired control effect, but the fuzzy PID controller can be self-tuning through the fuzzy algorithm PID parameters, effectively compensate for the shortcomings...

Decision of commanders requires a great deal military knowledge and situation information. For operational command and control information system, the construction of control and command model requires more detailed knowledge, and the completion of the knowledge base can dispose of the responsibility...

Mobile devices such as smartphones, tablet computers are widely used over the past years. In such mobile Internet environment, how to authenticate a mobile user is a crucial problem. However the single factor based authentication methods are not suitable for high security level applications. Based on...

In the information age, the information flow of the editorial department is large and the complicated management system has been unable to meet the requirements of the rapid processing of massive information. In order to solve above problems, this paper design an office automation information management...

This paper presents a non-resonant dc magnetic field detector, which is composed of two aluminum strips and shear-mode piezoelectric materials. The operation of the magnetic field detector is based on the Ampere forces resulting from the current-carrying aluminum strips in dc magnetic field and the shear...

Cutting effect was unconsidered so far for Chaff Corridor (CC) both in theoretic analysis and operational engineering; different position's Blanket Efficiency (BE) of constant chaff-density CC is different as results of radar-lobes cut a chaff volume, which means there are limited chaffs which have jamming...

Military simulation analysis and evaluation system (MASES) may integrate simulation into real Command & Control system. JMSEs could depict various entities of the real world and carry out their full functional modeling, which can be regarded as the function unit of MASES. This paper describes the concept...

As one of the passive jamming methods, the corner reflector has wide frequency band and strong RCS stability. Through analyzing the anti-ship missiles searching process, anti-ship missiles object recognitions, mechanism of corner reflector, we analyze the use of three jamming method, confusion jamming,...

On the basis of deep analysis and conclusions of the research status and practical work of educational circles, this paper starts study with the guidance of such theories as information resource sharing, information appreciation, information flow model, information construction and risk management. According...

In order to better understand the melt convection in an electro-fused magnesia furnace (EFMF), a 3D finite element method based model of the furnace is presented. The effect of the electromagnetic stirring and buoyancy driving forces on the melt flow are investigated in three typical cases with different...

Based on the actual electron beam scanning process of the surface of H13 steel specimen, a two-dimensional model of grain growth is established coupling Monte Carlo method. The crystallization of the molten pool is simulated after electron beam scanning of H13 steel, effects of scanning current and rate...

Carbon-based lightweight, thin, and self-standing composite film/paper could be a promising material for electromagnetic shielding applications because of their high flexibility, good electromagnetic properties, and high electrical conductivity. In this paper, a new-type composite of reduced graphene...

After entering 21 century, education has been influenced by the informatization and globalization. The popularization of Internet and computer technology in education shows possibility in reforming traditional teaching modes. English MOOC is generated, and its teaching modes are combined the advanced...

To meet power cable construction underground in the city, it is necessary to ensure the normal operation of power cable. In this paper, we do the research about the compensation mode of cable line construction in Henan province, that is the difference mode and the construction mode, and analyzed with...

Based on the analysis of the current situation of expressway network and the location distribution of earthquake disaster in Sichuan province,the paper did integration analysis to the evacuation control strategy, researched on reverse traffic control model and phased control model,finally proposed that...

The pairwise sequence alignment algorithm, Needleman-Wunsch is one of the most basic algorithms in biological information processing. However, the Needleman-Wunsch algorithm based on dynamic programming gets optimal alignment results with high time complexity and space complexity,which is impractical.This...

Some times, the input-port of a single supply A/D converter needs a high impedance S/H switch when it does not supply power. Now we introduce a digital logical circuit to realize it. Through this digital logical circuit, when analog input signal is more than 0V, the analog input port to power or ground...

In view of problems existing in data acquisition and monitoring methods for environmental chamber test, this paper design a temperature and humidity monitoring system based on ZigBee and SHT11. The CC2530 RF as the core is used to form the wireless network. The sensor nodes carrying the SHT11 transmit...

This paper proposes a method based on the method of Random Forest (RF) for better assessing quality of web documents, and formulates a novel quality evaluation index system including features of organization structure, network access and content. In order to extract the content feature of a document,...

Local binary pattern (LBP) has widely used in face recognition with extracting texture feature, for the high statistical histogram dimensions of LBP and unable to effectively express the edge and direction information of image, so a method which is called fusion with blocking CS-LBP and HOG features...

This paper introduces a hardware and software structure and key technology of a new radioactive source vehicle recorder based on the 32 bit ARM processor. It is installed in the vehicle which has a radioactive source, it can detecting and recording important datas while the vehicle movement. Starting...

HMI is passed between people and computers, a medium of exchange and dialogue interface information, indispensable in industrial automation systems. Based on the STM32 processor, it encapsulates line, characters and other display functions, to achieve the data processing and LCD graphic display, the...

In this paper, we present an optimized coverage algorithm based on dynamic parameter model.Through the definition of dynamic parameter coverage model, the expected value and tolerance of the coverage of the sensor nodes and the expected value formula for the first coverage of the target node are given....

By designing a dynamic impact test of tires, the "displacement - force" characteristics of tires under dynamic impact conditions are investigated to study the stiffness characteristics of tires under dynamic impact conditions. The accuracy and reliability of the tire finite element model are verified...

A content match based on filtering solution is proposed to handle large number of users and songs for search engine as a recommendation system is increasing important in online video application, news recommendation and electronic commerce especially in search engine. Our method could be applied to search...

Before data fusion, the center needs to do the work of time registration of the same target data from different sensors in order to control the state of the target in the air in real time. At present, the commonly used time registration algorithm has some methods, including curve fitting method, the...

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

Smoke accurate detection, for the real-time fire detection and early warning has an important role. In order to overcome the problem that the smoke is low when the fire is burned, the video smoke detection method based on the local binary mode is proposed under the condition of disturbing the wind speed...

In this paper, the author took a type of high-speed monohull ship as the research object, designed and added a bulbous bow of original ship by the principle of best comprehensive performance, made two 2.7 meters long scale models. Then conducted a series of pitch decay tests on condition that two ship...