The paper introduces a method that make use of made in our country analog inverter & spindle motor replace imports Digital Spindle drive & spindle motor. Taking the DASEN16i CNC for example, dispose our country analog inverter & spindle motor ,increase spindle position control software ,using CNC spindle...

In order to be able to comprehensively consider both network communication control performance and network communication in the network control system, and to balance the network resources, improve the network performance, this paper proposes a new information distribution of CAN data identifier , and...

The key technology of the semantic web are include: ontology, metadata including logic and reasoning and intelligent agents display. Ontology is a formal, explicit specification of conceptualization of the domain knowledge. This paper analyses problems of natural language understanding including: the...

The generic protocol stack for wireless sensor networks including: physical layer, data link layer, network layer, transport layer, application layer corresponding to the five layer protocol of the internet. Design of wireless sensor network routing protocol is affected by the characteristics of network,...

Intelligent data mining model is designed from the source database mining association rules that satisfy the minimum support and minimum confidence. Semantic segmentation technology is through the analysis to find out the meaning, structure meaning and significance of the combination, so as to determine...

To solve the real-time property trouble of the generation of the virtual Reality scene with the traditional particle systems algorithms. Firstly, the traditional particle systems technique is introduced in the paper, then an improved algorithms of particle systems which is used in the raining simulation...

The development of cutting technology of hard and brittle material went through cylindrical cutting and internal cutting,free mortar multi-line cutting and diamond multi-line cutting.At present the main processing method of solar grade silicon rod slicing is free mortar multi-line cutting and diamond...

As an excellent tear agent of the second generation, CS has been widely used in the police department of many countries. CS disperses the crowd depending on the aerosol in the air due to combustion and explosion. And at the same time, CS decomposes into a variety of products. With the use of TG/DSC-FITR...

With the fast development of electricity system in China, the lack of a monitor method to ensure the stability and safety of electric transmission simultaneously comes with the strengthened construction of power supply. Besides, the Icing phenomenon is common to see in the electricity system and it brings...

To study the human brain through EEG monitoring device the time required into the concentration. EEG data collected from a large number of healthy subjects. EEG record of each participant must be recorded twice on the same day, and one is in a relaxed state, another is state of fatigue. The hardware...

With the development of science and industry the rapid increase in time-delay systems has prompted more and more researchers to use intermittent control theory to analyze and synthesize the stability of the time-delay systems subject to actuator saturation and random perturbation. This note investigates...

In order to shorten the detection time of DSD series high frequency electric brush plating power supply, we designed a tester for the power supply, which can facilitate data analysis and maintenance of power supply for the staff. Working principle, the hardware structure and software flow are depicted...

In this paper the three-dimensional design of animation which is based on computer software is studied. The method that is used to design the animation is introduced. Through the three-dimensional design of animation, the designers can use software like 3D-Max to animate the model and to exhibit the...

In this paper, a new topic of elderly support environment with the new design concept is introduced. The research on the living environment of elderly is based on slow city design. The different design concepts and theory for elderly are studied. With the development status and trends of Chinese aging...

The ageing population increases significantly in these years. How to care for the elderly people living alone becomes an important problem. This design is a wireless monitoring system for elderly people living alone based on ZigBee and LabVIEW because ZigBee is a low power and low cost wireless networking...

The impact of information technology on social life is comprehensive, it is micro-teaching model, the development of information technology provides a way to achieve a more diverse and more superior teaching effectiveness for micro teaching, development of web-based information The interaction that is...

This paper analyses the existing problems in the development of the balance of urban and rural education, and then explore some strategies to promote the balanced urban and rural education development in the education information construction. In order to enhance teachers' IT application ability, we...

The congestion of toll plaza seriously damages safety and smoothness of highway. In order to induce driver to reasonably choose charging channels, to improve the efficiency of toll station, and to relieve the congestion problem of highway toll plaza, this paper, considering drivers as the object of study...

After large-scale activity, the outburst passenger flow probably causes serious impact on stations surrounding the activity venue, at this time, stations should take corresponding organization measures to guarantee efficient and smooth running. This paper put forward the organization process of subway...

How to quickly and correctly identify the second generation ID card code has important practical significance in real life. The algorithms have been presented about the recognition and verification code of ID cards. In order to let computer own the knowledge of code of character image, firstly, transform...

Currently, hygienic conditions of public tableware and kitchenware have become a hot social concern. This work aimed at solving existing problems in detecting the presence of bacteria, a constant-temperature incubator for the paper strip method was designed and a related temperature-control system was...

In a dual-drum shearer, the drum's height is mainly adjusted by a height-adjustment hydraulic system. However, the hydraulic system is prone to failures, since oil is likely to leak induced by the abrasions of key parts. In the present work, based on the analysis of system failures and the requirements...

The cropping patterns as drip irrigation under mulch were assumed in the experiment with peanut variety "Fu Hua 17" to study the effects of different topdressing on photosynthetic characteristics and yield for peanuts. Five different treatments were carried out to determine the photosynthetic characteristics,...

Five planting modes were designed to study photosynthetic characteristics, leaf area index and yield of peanut variety as Fu Hua 17 in order to provide theoretical basis for peanut yield increase in the sandy area. Results showed that the mode of peanuts planted for double rows in the border check with...

We propose a new approach based on estimating illumination veil. The algorithm for non-uniform illumination of fog image has a good result. Given a degraded image, minimum intensity of RGB components of each point can be figured out as haze energy veil with the proposed guided filter, subtracting the...

The cooperation of Beijing-Tianjin-Hebei government is very important to the coordinated development of Beijing-Tianjin-Hebei manufacturing, and is of great significance for promoting the development of regional economic integration of the Beijing-Tianjin-Hebei region. Combined with the characteristics...

Energy efficiency is one of the most important issues in designing the future Internet. For examining an energy efficient router, in this paper, differnet routers such as rate control protocol (RCP) router, precision time protocol (PTP) router and reference router are compared in terms of the power consumption....

Significant development is being encouraged in “wind curtailment” problem for wind energy. To find a reasonable and economical solution to this problem, a quantitative analysis method has been conducted using cost benefit analysis model to obtain the optimal operation point and the critical operation...

With the country promoting the power from New Energy sources, wind power was attached with great importance gradually. However, there is an existing major problem in the field of wind power, that it is the lack of peak-shaving capacity, which leads the capacity of wind power integration to be limited....

In wave-picking and entire-replenishment zone-based warehouse, the slotting and cartonization problems occur with equal frequency and can be the optimization conditions for each other. A dynamic location assignment model is proposed to minimize the wave-picking time among all of zones, and a particle...

In order to decrease the additional power loss in DC-DC converter caused by current detection, a current sensing technique without power loss is proposed. Power MOSFET is being widely used in low and medium power DC-DC converters; it can be regarded as a resistor in the condition of turn-on. Thus, based...

Objective: This study was designed to study the antitumor, antioxidant activity and antihypoxia of Uighur medicine Seeds of Nigella glandulifera Freyn (SNF) in the S180 and EAC mice tumor model. Methods: A total of 100 were randomly divided into five groups with 20 animals in each group: control group,...

With boosting development demands for university information construction, the number of university application systems had been dramatically increased. However, many universities were lacking of pre-planning in the information construction, which had resulted in mutual independence of application systems,...

Based on NC Code, in this paper, a kind of virtual descriptive language—V Code is designed and achieved for VA simulation. It is divided into three parts: scene setting code, motion controlling code and environment rendering code. At the same time, V Code definition, function classification, V Code interpreter...

During the course of aircraft manufacturing, there are large volumes of data which has complex relationships. In order to ensure the rationality of the assembly process, to reduce assembly costs and to improve assembly efficiency, centering on aircraft digital assembly process system, we studied in-depth...

With the widely development of high power and multi-channel system, passive intermodulaton (PIM) caused by passive components can not be neglected anymore. In this paper, an experimental investigation of the relationship between PIM levels and the carrier powers has been carried out and the results are...

With the increasing large space buildings, the suitability of sprinkler has been challenged using in such large space situations. The automatic jet fire extinguishing devices based on infrared were designed and used to extinguish fires. The accuracy of the devices will significantly reduce in the windy...

This paper first introduces the method of drawing an efficient outdoor small object group widget batch, then design a representation to the method of creating widget visible set search strategy based on improved BSP tree and its corresponding to the efficient use of memory, and finally achieve the efficient...

Registrations of multi-angle point cloud involve enormous point cloud data, complicated and heavy computation. Previous non-parallel method is strong computing resources demanding and low performance of point cloud global registration. Bulk Synchronous Parallel Computing Model (BSP) processes the data...

Load forecasting has become a significant part in national power system strategy management. In this paper, the Support Vector Regression (SVR) for Short-term Load Forecasting (STLF) is presented to predict the primacy of the industry power in the electricity composition. The Support Vector Machine (SVM)...

In this paper, the explicit finite element dynamic software LS-DYNA was utilized to investigate the process of projectile penetrating targets. The finite element model of projectile is simplified as two parts, warhead and balance part. In the finite element model, the threaded connection between warhead...

The aim of this work was to investigate the effect of titania nanoparticles (TiO2 NPs) on chlorella cultivated in modified Blue–Green medium (BG-11). The chlorella species were exposed for 96 h with a daily reading of the quantity of chlorella cultivated in modified BG-11 medium with different concentrations...

This paper assessed optic camouflage performance by a two-stage hybrid model combined DEA and ANN. The assessment indexes of optic camouflage performance were firstly constructed. Then we proposed the hybrid algorithm by the following two stages: (1) Conventional CCR model was improved by super-efficiency...

Self-lubricating spherical plain bearings are widely used in some important mechanical moving parts. When used in the marine environment, bearing components may be sometimes immersed by seawater. The salinity changes with evaporation or addition of water. This paper discusses the effects of salinity...

In order to solve the actual needs of developing strategies to improve the capacity of wind power consumption, this paper analyses the factors affecting the capacity of wind power consumption in multiple temporal and spatial scales, as well as measures to improve regional wind power consumption capacity....

In order to meet high reliability application requirements of modern electric drive system, a kind of Halbach array based permanent magnet fault-tolerant motors (PMFTM) is studied in this paper. Firstly, the structure, characteristics and fault-tolerant working principle of PMFTM are analyzed. Secondly,...

“Probability Theory and Mathematical Statistics” is a public mathematical elementary course for all science and engineering specialties in colleges and universities. It is because this course applies widely in many other professional courses of the specialties of science and engineering. But this course...

The midwater trawl is used widely in many oceanic fisheries. In this study, the midwater trawl dynamical behavior was simulated and modeled with the mathematical mechanic equations based on R language platform. A lump-mass and spring method was used to build the physical model. The huge mathematical...

This paper expounds the course and accomplishment of the power system reform at home. Then, according to the power system reform experience of other countries, the paper analyses the existing problems of regulatory mechanism and pricing system which occurs in the process of domestic power system reform....

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

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

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

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

Silica gel has a potential ability to adsorb water vapor and contaminant together, so it has been focused recently in indoor air environment. In this paper, the performance of silica gel adsorbing trace gas pollutions in isothermal column is studied through theoretical methods. The model of the adsorption...

Product harm crisis are frequent, hard to avoid, different to each other, and have various impact. Not all product harm crisis make enterprises brand get bad image and deteriorating stigma. The key elements causing brand stigma by a product harm crisis event lie in brand relationship norms and commitment...

Objective: A number of traditional Uyghur medicines have been recognized as potent antitumor agents and have been developed and analyzed in vivo. In the present study, the toxic, therapeutic and cytotoxic properties of the Uyghur medicine Abnormal Savda Munziq (ASMq) were investigated. In the presence...

The robot manipulators is a complicated uncertain nonlinear system, mainly due to the nonlinear and coupled character of system equations and the lack of a precise model for the dynamics and parameters, as well as the appearance of internal and external perturbations. A new control algorithm was proposed...

In order to make the intelligent materials have a new development in the field of Mechanical Engineering, composition of intelligence materials is briefly introduced in this article; Design thought of intelligent materials are detailed analyzed; Main functions of the intelligent materials was described;...

Surface modification of nanoparticles is a new technology, it refers to the use of physical, chemical and other methods to deal with surface of the nanoparticles. Research objective of this paper is surface modification methods and applications. All analysis is based on the need of use, change the structure...

the improvement of the condition of our country's economy and the development of urban and rural areas as a whole,The rural biogas construction also presents the diversified development trend.This paper introduces the hebei qingxian county straw partnerships biogas application status,For straw partnerships...

Reinforced concrete frames are one of most popular structures used in the world, but the research on their fire is at primary stage. In this thesis, the non-liner analysis of reinforced concrete frames at elevated temperature was analyzed by ANSYS, which included calculations and analysis of temperature...

To develop the rapid method for detecting of Spring viremia of carp virus (SVCV) and Cyprinid herpesvirus 2(CyHV2), 2 pairs of specific primers for duplex reverse transcriptase polymerase chain reaction (RT-PCR) were designed according to the nucleotide sequence information of CyHV2 and SVCV published...

Memory size occupation and memory access bandwidth are capital issues for high resolution video codec design because of the large scale of data, and the high power consumption especially for wireless terminals. An adaptive and random access-obeyed reference pictures memory compression (RPMC) scheme based...

Because of the non-uniform cluster-head election in the classical clustering algorithm, some nodes maybe exhaust energy prematurely so that it is not fit for large-scale wireless sensor networks(WSNs). In this paper, a distributed clustering routing algorithm based on fuzzy weight attribute degree(FWAD)...

Using the UG software, the new type arc tooth synchronous belt and pulley solid model are created. In view of the synchronous belt and pulley transmission belongs to the multi rigid multi flexible coupled hybrid multi body system dynamics problem, carry out the flexible treatment of synchronous belt...

Based on higher order contact meshing theory of conjugate curvature, to establish normal tooth profile model of a new tooth profile double helical synchronous belt transmission. Finite element analysis software is used for new composite double helical synchronous belt out the stress analysis of variable...

This paper presents a universal model for dynamic system based on geometric modeling methods. The model uses time series that implicates dynamic characteristics as study object, uses geometric modeling methods as basic ideas, and uses embedding time element in NURBS model as the key, for representing...

Supercapacitor can get high energy density and the ability of quick charging and discharging. In this work, the different mass ratios of composite electrodes mixed with active carbon (AC) based on RuO2•xH2O, were prepared to study the electrical performance parameters of the incorporations. Through Conway’s...

The key technology of Sensorless BLDC motor control is Zero-crossing detection. Based on full research and analysis of the Back-EMF motor principle, wave and traditional detection methods, a new method of Back-EMF Zero-crossing detection is introduced. The method does not rigidly adhere to the principles...

Closed-loop control or open-loop control of proportional valve can be completed when the drive current of electro-hydraulic proportional valve is provided by electro-hydraulic proportional amplifier. The control performance of proportional valve can be directly decided by the electro-hydraulic proportional...

The time synchronization in the virtual radio system is determined as one of thorny technical problems. Especially in TT&C (Telemetry Tracking and Command) system, it requires incredible precision with time. A novel method for time synchronization by high-precision in a unified virtual radio model specially...

The ARIMA model is an important method and is widely used in time series modelling. The model relies heavily on autocorrelation patterns in the data, and doesn't consider other factors. However, in most cases, the extreme value of series has an influence on the subsequent behaviour of series. But this...

Aiming at the unbalanced weight problem of 25m rail in the railway transportation, this paper firstly uses the principle of moment balance and bending deformation principle to make theoretical analysis, and then establishes the finite element model of 25m rail for simulation, and get the weight that...

By using the usual mean-field approximation, the phase transition properties of a ferroelectric nanoparticle described by the transverse field Ising model have been studied. The exchange interactions and transverse fields at the surface are assumed to be different from those of the interactions parameters...

Under background of rapid development of economic globalization and network information technology, rapid acquisition, effective processing and efficient use of earth observation data becomes the common requirements all over the world. Facing the challenges of massive geospatial information flow gathered...

Nowadays the society is full of all kinds of information. With the rapid development of science and technology, more and more people come to realize the value of information. Much information hide in the sea of data, there are so much data around us. So data mining technology is applied widely. This...

Quench characteristics of low temperature superconductor (LTS) and high temperature superconductor (HTS) hybrid superconductor made of NbTi/Cu wire and Bi2223/Ag tape are investigated experimentally. The results indicate: the minimum quench energy (MQE) of the hybrid conductor is much larger than NbTi/Cu;...

surface structures of the vehicle suffer thermal loadings during the high speed flight. The thermal stress distribution of typical titanium alloy plate under thermal loadings is studied based on the assumption of uncoupled thermal-structural properties and nonlinear von Karman large-deflection strain-displacement...

With the advance of global economic integration and global informatization, manufacturing enterprises are facing the business environment of uncertainty increases gradually, enterprise can only maintain competitive advantage through innovation, thus the survival and development. Manufacturing enterprises,...

Since 21st Century, Chinese enterprises are faced with severe situation which is rapid technological development, intense competition and personalized customer demand. Chinese enterprises have the only way to adapt to economic globalization and informatization, which is to share the information with...

For Identity-based proxy signature, when the original signer cannot sign for some reason he delegate his signing capabilities to a person with an identity, in order to expand the scope of the proxy signer, an entity with a series of attribute properties can perform the right of signature. A new practical...

On the base of analysis of probability of failure under uncertainty of susceptibility measurement in the reverberation chamber, we derive the relationship between the sample number of stirrer positions and the number of the mean value of electric field of different injected power levels during the measurement,...

The zero-voltage-switching combined DC/DC three-level converter, just has six switches, and the voltage stress of all switches is ensured to be only the half of the input voltage, especially suitable for high-voltage input situations, and the converter can reduce the output filter significantly at the...

The effectiveness and deterrence of food safety punitive damage system in China have been widely questioned in academic circle. Based on the Prospect Theory, this paper gives an analysis of the causes of frequent food safety incidents with the current punitive damage system in China. Simulation analysis...

Abstract— This paper introduces the detection of laser ultrasonic visualization. It describes the working principle of cylinder sleeve and the formation causes of defects. It bases on the use of LUVI technology to check the defects by experiments of cylinder sleeve, and the experimental results are analyzed. Finally...

Acoustic fault diagnosis system of diesel engine is based on the analysis of the measured sound signals and try to extract the fault information contained in the signals which can be able to characterize the fault, and the contents of the research relates to the separation and feature extraction of the...

Legal ontologies have made significant progress during the past 20 years, however, few of these ontologies have gone beyond the stage of advanced and refined prototypes. When building legal ontology, the challenges are not only from the deficiency of the ontology techniques, but also from the inner legal...

Shear horizontal surface acoustic waves (SH-SAWS) propagation in layered piezoelectric structure carrying an array of microbeams is studied in this paper. Based on the three-dimensional piezoelectricity theory, the coupling wave equations are obtained and solved by analytical method with consideration...

With the development of the computer technology, the R & D outsourcing is becoming more and more popular for the company area. This paper presents the decision-making model and risk of R & D outsourcing based on supply chain in IT, it discusses the phenomenon of the R & D outsourcing in IT market and...

Five aquatic macrophytes, Acorus calamus, Lythrum salicaria, Monochoria korsakowii Alisma orientale and Sagittaria sagittifolia were tested for the relative growth rate (RGR) and abilities of removing total nitrogen(TN) and total phosphorus (TP) by the manipulative indoor experiment. Result revealed...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

In order to comprehensively evaluate the risk degree of indexes that affected urban community safety. Those indexes not only have qualitative attributes but also quantitative attributes. Do a quantitative analysis on those qualitative indexes is not easy. Hayashi quantification theory have an obvious...

Deflection of stress direction occurs near anti-slide piles, forming obvious soil arches with adjacent piles as springers and creating the “soil arching effect”. Based on the stress conditions for anti-slide piles, a mechanical analysis is conducted on the soil arching effect, and three rational equations...

With the upgrade and transformation of our industry, CCFL Cold Cathode Fluorescent Lamp)is widely used. It features high brightness, high efficiency and low power consumption; can rapid start at low temperature; control color temperature accurately; small in size and light in weight; tolerate high vibration;...

After entering the twentieth century, environmental pollution and energy crisis is getting worse, the development and utilization of new energy sources in the future had already become an important measure of China's energy use and development. Wind power as a new form of electrical energy directly affect...

In the increasingly serious environmental and energy issues today, the city expand a new idea in the development of models . But it still faces many common problems, such as industry, high pollution, high energy capacity control. Therefore, For continuing to promote its low-carbon economy,the introduction...

This paper studies the carbon fiber structure, physical properties, chemical properties as well as classification of the carbon fibers and the application of carbon fiber, through appropriate material selection (the merits of the material), a large number of experiments (of manufacturing a heating element)...

The rapid development of the market economy promote the development of China's power grid career in recent years, the smart grid construction has gradually become an important power grid construction in content, and received wide attention. In the process of building a smart grid, you need a strong flow...

With the widespread application of distributed generation and increasingly requirements of power supply quality and reliability, a new type of of power system structure named "Microgrid" was proposed in order to seek a way to ensure environmental sustainability and to meet user demand for energy supply....

With the rapid development of economy, the power system has also been a rapid development, the whole social also made a lot of the higher requirements. Today's society requires power supply reliability and safety of increasingly high quality, large power due to their own shortcomings can not meet this...