With the rapid technological development of surgery robots nowadays, however, there is not scientific assessment system to accurately and objectively study on operation proficiency of surgery robot user. A scientific and precise comprehensive assessment model is established on a scientific assessment...

the separation of elements is achieved by ultra performance liquid chromatography system for Aflatoxins, the use of a closed-loop feedback control system is to produce a stable continuous wave light source, fixed wavelength of 360nm illumination light source onto the separation of elements, resulting...

we take Germany as an example to derive a dynamic model which describes the relation between supply and demand. Through the data we apply least square method to fit the demand changing over time, as well as single objective optimization and radiation network to acquire the mechanism of distribution and...

This paper conducts the research on the novel phosphorus flame retardant epoxy resin model and that the corresponding flame retardant performance. Research will be introduced to the phosphorous epoxy resin curing agent of the structure, synthesis of phosphorus curing agent, curing agent with flame retardant...

In order to solve the smart home electricity load optimization problem, this paper firstly analyzes the situation of smart home optimization frame and estimates the smart home electricity load model. The electricity load optimization control model is established to achieve the aim of helping smart family...

The BER performance with consideration of phase fluctuation effect in space optical communication is investigated. When the phase fluctuation effect is considered, BER definitely increase which leads to the worse communication quality. Based on numerical simulation, BER is sensitive to the higher level...

To solve the problem that the traditional method can't perfectly achieve the feature detection of low-texture image in stereo matching, a three-dimensional measurement algorithm based on Snake Model and epipolar constraint is proposed in this paper. First, describe the edges of object image as a set...

This paper designs smart home electricity management system based on power line carrier communication. Firstly, the paper makes the ARM Cortex-M3 as a central controller and ports the uC/OS-II operating system on the ARM, then designs Web Serve program to mornitor and control equipment remotely using...

We set up a refugee migration model based on the improved Network Maximum Flow algorithm. The model depends not only on factors affecting refugee migration movements we have determined, but also the attractiveness of the way countries of the selected route and the restriction of the land and ocean environment...

In this paper, two models, including the information value quantification model and the epidemic model, are built to explore how social information spreads and works, especially through the networks. The information value is quantitatively determined by means of Analytic Hierarchy Process (AHP), based...

In this paper, we mainly use the solar zenith angle, solar azimuth angle, the angle of the red and weft, the relationship between the date sequence number and some specific geometric relations. The formula is related to the concept of the degree of latitude and the time angle, which can be defined as...

The Internet contains large amounts of information, which are valuable to the researchers. Since manual product name collection needs large human efforts and also time consuming, extracting keywords automatically become a hot topic. This paper addresses the issue of automatic extraction for agricultural...

With the continuous development of higher education, reasonable distribution of teaching resources has become an urgent problem in time and space. This question is a typical college course arrangement.Arranging Course problem is NP-complete a multiple target multi portfolio. We use an improved hybrid...

Aiming at the poor reliability of targets destroy for single base surface-to-air-missile weapon system, and the existing shortcomings of anti-destroying ability for missile networking system, this paper research on system level surface-to-air-missile defense system network features. On the analysis of...

Piezoelectric ceramic as a driver is applied to the deflection of nose, which is a kind of frontier missile control mode. In order to improve the efficiency and reliability of deflection mechanism, a design scheme of the control mechanism that piezoelectric ceramic actuator combined with improved PID...

This article elaborates monitoring system features, development status and technical features systematically, analyzes the needs of traffic monitoring systems and design appropriate solutions. Technologies of this system is J2EE based Java and MVC. This system considers the performance of traffic monitoring...

The knowledge of degree of freedom (referred as DOF) is indispensable before a parallel mechanism is designed, but the traditional Grubler-Kutzbach formula (referred as G-K formula) which is widely used is not appropriate for complicated mechanism, especially the hexapod robots. In order to derive the...

Fires occurring in comparatively closed places like large shopping centers where evacuation is quite inconvenient make great loss, including casualties and destroys of materials. It not only makes people fall into panic, influencing their life, but results in a great economic loss. In the past few years,...

This paper presents the 4~6GHz 6-bit MMIC digital attenuator with low phase shift. Phase compensation techniques were used in the MMIC design to reduce the phase shift. This attenuator is fabricated with 0.25æm GaAs PHEMT process. Simulation results of the developed MMIC chips in the 4~6GHz show that...

To reduce the amount of measurements, compressive sensing (CS) has been introduced to synthetic aperture radar (SAR). In this paper a novel synthetic aperture radar (SAR) imaging algorithm based on compressive sensing (CS) is proposed. In the range plane, the echo signal is reconstructed in fractional...

The tilted visual angel of the camera determines that incline will inevitably occur in vehicle license plate (VLP) recognition system. This will bring about difficulties to the following character segmentation and character recognition. Traditional correction methods can receive high accuracy hardly...

Firstly, guidance law is proposed in order to enhance the performance of the guided-bomb. Secondly, the gravity PN guidance law, bias proportional navigation guidance law with terminal impact angle constraint and sliding mode variable structure guidance law with terminal impact angular constraint are...

Boxcar is an important means of transport in railway transportation, but its unique structure brings a lot of trouble for goods loading and unloading. It mainly depends on manual handling, while there has been no efficient mechanized method. In this paper, a bidirectional belt conveyor for boxcar is...

As we know, the recognition of lunar terrain is the beginning of the lunar research. Therefore, an accurate and effective automatic recognition of lunar terrain is an integral part of lunar research. This paper has proposed an improved recognition algorithm for lunar terrain based on gushing and immersion....

Video encryption has the requirement of efficiency, security, discrete storage in cloud environment. In this paper, a method of multi-grained video encryption based on Spark framework is proposed. The design of distributed encryption framework and multi-grained encryption module are described. The distributed...

The metro has the advantages of large capacity, velocity on time, safe and convenient, environmental protecting and energy saving. However, the government leading investment pattern has been unable to meet the needs of the expansion under the circumstances that metro had entered a rapid development period,...

The extraction of pure sMEG signals is a bottleneck problem of functional electrical limb rehabilitation. Comparing human active wrist extensor muscle group and large intestine channel of hand yangming, we designed the experiment to search pure wrist extensor action site by using their conjunction points....

At present, most research about the impact factor of new energy automobile sales is qualitative. There is controversy over different influence of each factor. To some extent hindered the market promotion of new energy automobile. This paper utilizes Internet search data to analyze the impact factors...

On the problem of Global maximum power point tracking (GMPPT) caused by partially shaded in photovoltaic system, many scholars' search methods are always judged by their ability of static search, and dynamic performances when irradiance suddenly changes. But these methods neglect the dynamic performance...

A generalized MSSOR method (GMSSOR) is presented for solving large sparse augmented linear systems by introducing a new parameter in MSSOR method, which is an extension of MSSOR method and SOR method. The convergence of GMSSOR method is studied and it is proved that the convergence rate of GMSSOR method...

This article gives the definition of the Jensen-Quartic functional equation, obtain the general solution of the Jensen-Quartic functional equation. Research the realations between Jensen-Quartic and Cauchy-Quartic functional equation, and finally proved the Ulam stability of Jensen-Quartic on Banach...

The effect of DL-Methionine (DM) on the electroless silver deposition was investigated. The deposition rate of electroless silver deposition was inhibited by an addition of DM. The effects of DM on the polarization curves were studied by LSV. Not only the anodic oxidation reaction but also cathodic reduction...

The article takes integrated visualization of IoT (Internet of Things) monitoring data and friendly user interaction as research objects, relying on the IoT platform aggregated by lightweight business, to research on how to turn the heterogeneous data collected from various sensors to synthetic situation...

According to the data we have consulted, we can come to the conclusion that there are five kinds of commonly used methods to get rid of space junk, respectively Laser Removal Technology, Satellite Debris Collector, Space Garbage Truck, Suicide Satellite and Resistance-increase Device. Their respective...

The literature, logical analysis, video clips, and mathematical statistics methods are used in this paper for statistics and analysis 2012 European Cup Final stage 31 games 73 goals. The results showed that: Scoring high frequency period is the 60mins; the best area of goal is the goal area and penalty...

In order to reduce investment and maintenance cost, the optimal sizing of distributed energy in AC/DC hybrid stand-alone micro-grid is studied in this paper. The optimization model is built and economics, power supply reliability and environmental protection are taken into account. By means of the modified...

In transmission towers,ordinary galvanized bolts are widely used to connect angles,the connection properties determine the slippage at the nodes.The node connections are assumed to be rigid or hinge in traditional analysis and design of transmission tower,which make the status different from the real...

The development and application of industrial robots is the inevitable trend of the social development of science and technology in 21 century[1].This report mainly describes a new humanoid biped robot based on STM32 SCM and sensor system.It is characterized in that the structure is light through the...

With deep-processing material of surface resources as soil substrate, the experiment of soil spray sowing was carried out on expressway slope. The results show that taking surface soil of fine particles and compost product of surface organic plant residue as the main soil substrate for slope soil spray-sowing...

This paper develops a geographical exploration technique for detecting obstacles of trenchless engineering by integrating cross-hole seismic tomography and horizontal directional drilling (HDD) technique. Firstly, several small-diameter holes along underground engineering are drilled, and Polyethylene...

The important difference of Microblog network and WeChat network is network centralization. Microblog is a platform which pay attention to very important users, but WeChat is a decentralized network. Based on this point, we firstly build a model called information spreading model to simulate information...

In order to evaluate the error of the Runge-Kutta (RK) algorithm used in real-time simulation and apply it to real-time simulation problems with dense output, based on the ODE45 with maximum stability region and least truncation error, this paper adopts a variable step-size strategies and derives a relative...

This paper introduces the film material in micro manufacturing in general, it is covered in a wafer. Then, it focuses on the production process of the thin film, mainly has the PVD method, which is formed by the physical method; the other is VCD, that is the chemical method to produce the film. Finally,...

Many problems in radar signal processing involve radio frequency (RF) signals of very high bandwidth. This presents a serious challenge to systems that might attempt to sample these signals by the Shannon/Nyquist sampling theorem. However, the information level of the signal is often far lower than the...

Poly (ether ether ketone) was pretreated by wet chemistry and different surface morphology was obtained. In swelling treatment, with the increase of sulfuric acid concentration, the holes on surface changed from isolated structure to interpenetrated structure, the number and density of the holes increased,...

This paper established a multi-residue detection method of amides, neonicotinoids, triazoles, heterocyclic, and other pesticides in fruits and vegetables samples by liquid chromatography - tandem mass spectrometry. Using QuEChERS as sample pretreatment method, then extracted by acetonitrile, cleaned...

Electron beam rapid prototyping has the advantages of high efficiency, various processing materials, non-pollution and flexible control, and it is the main trend of mental materials rapid prototyping. However, as electron beam rapid prototyping technology starts lately and develops poorly, some problems,...

In order to solve malicious evaluation problems in evaluation model, this paper proposes an improved evaluation model with feed incentive based on game theory. The model introduces user's authority into the recommendation system based on content, which can adjust feedback function dynamically accompany...

This paper mainly designs a multi-purpose industrial timer that based on STC89C51.The multi-purpose industrial timer uses the calendar chip DS1302, LCD TS1620, buzzers and other devices. The design uses a C language programming, including liquid crystal display program, calendar program, key scanner....

In order to improve the whole effectiveness evaluation of the missile weapon system with stage character of flight course, put forwards the ADC system effectiveness evaluation method by stage, and improved the ADC model by using coefficient of operators' level of missile weapon system (K) and battlefield...

We develop a model to analyze the data and then create a safety rating to specify a measure of how safe My City is. The goal is to use safety rating so as to evaluate the safeness of My City. Using historical data from the police reports in My City, we capture the essential elements of urban public safety,...

The design is comprised of single-chip computer module, liquid crystal display module, sensor module, clock chip module and speech chip module. Magnetoresistive sensor is responsible for collection of magnetic field strength in specific direction, while clock chip is for calculation of data such as time...

urban power conveying at present most of the use of underground channel and tunnel laying cable transmission, in order to ensure the power transmission of real-time, stability and continuity, we developed a robot tunnel for real-time monitoring of cable tunnel. This paper introduces a hardware solution...

By collecting and analyzing the users' information behavior, the users' real interest can be obtained, and the recommendation of users' need can be generated. This paper explores the basic concept and the related technology of personalized recommendation. On that basis, this paper proposes a personalized...

This article uses Interpretative Structural Modeling Method(ISM) to build deep learning promotion structure diagram of the influence factors, then uses Analytic Hierarchy Process(AHP) to determine the relative importance of various factors, according to the evaluation results it is concluded that the...

Aiming at the phenomena of evaporating, emitting, dripping or leaking of offshore oil platform, optical image acquisition device is used to carry out continuous unattended monitoring and effective oil spill identification algorithm is utilized to monitor and identify offshore oil spill. This paper focuses...

In recent years, Personal Cloud Storage(PCS) Service like Dropbox has achieved a great business success and has attracted a large interest from academia. However, considering the security of users' data, the PCS applications communicate with their servers by HTTPS protocol, which makes it hard for researchers...

Accommodate the problem of the amount of information for the general black and white two-dimensional bar code is relatively small,and the appearance is monotonous, we propose a color two-dimensional QR barcode with logo. This kind of color QR code achieve the purpose of improving bar code to accommodate...

Light-weight block cipher is the protection of RDIF label and smart card in communication of Internet of things.It's safty is very important..The article analyzes the fault propagation of the traditional light-weight block cipher with feistel structure and proposing a deep differential fault analysis...

This paper is to speculate the drug demand of each region and assist to plan a reasonable number through analyzing variations of weekly infected people, which is based on epidemic model and multi-objective optimization theory. Unlike traditional SIR model,I consider the patients under incubation period...

This paper describes the development of the smart home intelligent switch system and the necessity and convenience of the office,The intelligent switch can be connected to WiFi network to control appliances through mobile APP, what get people generally favored is its small size, convenient operation,...

This paper studies the changes of different time, place, rod length and shadow length. Use of existing video data, using mathematical vectors, linear programming, dichotomy, multi-stage euqal exhaustive and other methods, according to the laws and geographic relationship to establish true solar time...

In this paper, a simple and accurate empirical formula is adopted to establish an improved initial value setting model , and a relatively complete initial value setting method is obtained.We use a test search model with equal step size to determine the modulation ratio amplitude range m that has a solution...

We design a new type of composite precipitator model which is an organic combination of the mechanism of the Electrostatic precipitator of Tubular Electrostatic Precipitator, the Centrifugal dedusting of Cyclone type ESP, and cleaning water film. We use the outer cylinder of cyclone precipitator as the...

Dye sensitizer is an important factor to the performance of dye sensitized solar cell (DSSC). This article simply reviews the development of dye-sensitized solar cells and the disadvantages of it at present, analyzes the advantages and disadvantages and its potential development of the natural dyes as...

In this paper we select a set of parameters to analyst the warming and cooling progress of the water in the bathtub and view the moment of adding hot water as the main standard for our evaluation. Based on Law of conservation of energy and Newton's law of cooling, the temperature model was established....

The paper analyzed the side header in soccer using kinetics The finding indicated that (1) when header, the involved segments deserve keep closer to the notary axis in compliance with the moment of momentum, in this way the players can finish the header better; and (2) during side header with both feet...

The lattice parameter, elastic modulus, elastic constants and electronic structure of TixZr1-xN(x=0, 0.25, 0.5, 0.75, 1) were studied with first-principle pseudopotential plane-waves method. The lattice parameters of TixZr1-xN increase with Zr atoms increasing. Bulk modulus B, shear modulus G and Young's...

A novel unsymmetrical isomeric photochromic dithienylethene, 1-(2-methyl-5-phenyl-3-thienyl)-2-{[2-methyl-5-(3-1,3-dioxolane-4-methoxyl)phenyl]-3-thienyl]}perfluorocyclopentene (1o), was designed and synthesized. The photochromic and fluorescent properties of 1o were also studied. It is demonstrated...

According to the bad effect of the existing evaluation model of technology innovation in practical application, an evaluation model of enterprise technology innovation is proposed based on factor analysis. On the basis of the elements in input-output process, the multi-index comprehensive evaluation...

In this paper, we study the solutions for the fractional boundary value problem (1), where is a real number. Define a new cone to solve the difficulty. And investigate solutions for the problem (1) with a sign-changing Green's function. And will re-search the sign-changing solutions.

The paper has built a wind farm ground on Doubly Fed Induction Generator (DFIG). It proposed a novel strategy of DFIG, which can be as active power source to supply active power to network, and as reactive power source to provide Var compensation (reactive power absorbed or generated) or stabilize voltage,...

In the popularly used BoVW and VLAD models for image retrieval, feature extraction is easily affected by the color and textures of images. Also, the clustering results of K-means algorithm used in these two models is usually affected by the initial cluster centroids. In order to solve these problems,...

A novel photochromic diarylethene which called 1,2-bis-[2-methyl-5-(9,9-diethyl-5H-fluorene)-3-thienyl]perfluorocyclopentene was designed and constructed successfully. In the meantime, its photochromism and fluorescent properties have been discussed systematically. This compound exhibited excellent photochromism,...

We have demonstrated that self-assembled nanofibers can convert into a chiral state influnenced by external stimuli. This helicity convertion of the nonchiral assembly realizes in a reversible way on heating. Notably, this reversible nonchiral-chiral switching is accompanied by a transition between extended...

With the inflationary development of data sizes, the traditional recommendation system the recommendation efficiency of the recommendation system encounters a great challenge. This paper proposes an improved collaborative filtering algorithm. The algorithm firstly implements the clustering operation...

A new symmetrical photochromic diarylethene 1,2-bis(2-menthyl-5-(trimethylsilylacetylene)-3-thienyl)perfluorocyclopentene (1o) based on a dithiophene structure has been constructred, and the photochromic and fluorescent properties of 1 were investigated. The results indicated diarylethene 1o showed good...

In order to get a real-time, comprehensive and convenient monitoring of the state parameters of the electric vehicle, this paper develops a CAN bus parameters analysis system based on LabVIEW. The system, consisting of P-CAN and PC host computer software, is able to collect CAN message which simultaneously...

In this paper, a general mathematical model is shown through the mathematical analysis of the magnetic bearing. The linear expression of relationship between the electromagnetic force, the deviation of the displacement and control current of is provided by the finite element analysis, with Maxwell 3D....

The purpose of this study is to provide an improved design for the hydraulic system of a certain type of hydraulic elevator in the elevator test. This paper is mainly through the speed feedback control scheme to achieve real-time speed correction, adopted the speed bidirectional detection method to establish...

Since the airplane is invented by Wright Brothers, it has greatly improved people's traffic efficiency and produced large quantity of fortunes. We built a model to draw a sensible searching scheme. The major assumptions are: 1) the wind and the ocean current are only related to the geography location...

Based on extensive usage of the smoke exhaust ventilator, this paper develops a processing technology of VOCs (volatile organic compound) by photo-catalytic-oxidation technology. This method couples with the existing the smoke exhaust ventilator technology to control the cooking fume emission ---VOCs.

From the point of view of sustainable development, wastewater zero discharge is undoubtedly one of the best measures. Saline wastewater reuse domestic power plant desulfurization system research is very few. This paper analyzes the effects of high concentration of SO32- on wet flue gas desulfurization...

With the development of science and medical industry, people pay more and more attention to their health status. And massive human health data are generated in this process. As an important component of the cloud computing technology, the open source framework Hadoop provides us with a platform for storing...

This paper analyzes the two kinds of classic traditional association rules algorithm Apriori and FP - tree which those are advantages and disadvantages .In order to solve the Apriori algorithm for mining association rules requiring multiple scanning database and generate a large number of candidate frequent...

For wireless sensor network (WSN), the first step is to deploy sensor nodes effectively into the target area. In fact, node deployment will greatly influence the lifetime and performance of WSN system. In this paper, we summarized the evolution of sensing models frequently used. Some main models' property...

Output power of photovoltaic cells is greatly related with light intensity and temperature, in order to achieve maximum output power, it is necessary to implement maximum power point tracking (MPPT).This paper analyses misjudgments, oscillations and energy loss during MPPT by fractional Open-Circuit...

We designed a balance measure system, which is made up of the test platform and the handhold device. It can measure the movement of the tester's barycenter, and display the track of the barycenter on the screen, then the system can estimate the tester's balance ability based on the track. This system...

RLC components or transistor is identified first. Then through the oscillation circuit turn resistance's, inductance's, capacitance's value into a frequency value by the microprocessor LM3S811 accurately. The transistor is measured by the A/D that can get its parameters.

In order to make rationally use of the original data and improve the data fitting precision of the sine waveform, the owe period fast North-Seeking method of the polynomial interpolation is based on the least square method. According to the character of the large deflection north point data, the polynomial...

Research on medical assistant robot makes Biomedical Engineering Experiment get rid of the dependence on training special operations personnel to complete a high efficiency, high success rate and high difficulty of the operation. It could be a revolutionary change in the means of biomedical engineering...

With the development of Internet, a large amount of users purchase product, book hotels, buy goods from the web. They also share their experiences on the web. Other users can read the reviews or rating scores to choose the products or services. The user is difficult to read the information, since the...

Nowadays, more and more users share news and information in micro-blogging communities such as Twitter, Tumblr or Plurk. With the increasing number of registered users in this kind of sites, finding relevant and reliable sources of information becomes essential. For recommending sufficient information...

In this paper, the Markov model is built to explore how social information spreads and works, especially through the networks. the note distance calculation model based on Cluster analysis is proposed to determine the factors affecting public interest and opinions. We divide people in a region into three...

With the development of digital blasting, research work of digital blasting vibration measurement in recent years has become a hotspot in the field of engineering blasting. Research progress in hazard remote monitoring technology and platform of domestic engineering vibration of blasting vibration were...

As the economy develops, the scale of the supermarket is getting bigger and bigger. There is an increasing shift from convenience store to one-stop shop. So, how to find the goods you want rapidly, accurately and efficiently has become an urgent problem. To solve the problem, we have designed a kind...

Design a new photovoltaic grid connection device based on Freescale MK60FN1M0 processor and Multi-mode wireless communication technology. In terms of Modbus protocol, MK60FN1M0 communicates with photovoltaic inverter, the device acquires measurement data such as: DC voltage, DC current, AC voltage, AC...

For the non-linear relationships of main influence factors of slurry pipeline safety status and the confusable problem of slurry pipeline safety status, this paper used the cross validation method to select the optimum parameters of the kernel function and combined the support vector machine to diagnose...

With the growing shortage of energy, the requirement of environmental protection is constantly improving, and distributed generation is increasing in the grid. The increase of permeability of distributed power will affect the electricity reliability, which affects customer outage costs. This paper introduces...

To solve the difficult problem for the removal of large size sacrificial layers when preparing a terahertz coupler, a new approach is proposed using poly two methyl silicone as a sacrificial layer. Due to its hydrophobicity and high elasticity, cross-linked polydimethylsiloxane (PDMS) can be gently withdrawn...