Advances in Computer Science Research

Objective The speed fluctuation of the Holzer sensor of Brushless DC motor is often compared with the speed fluctuation. which often can not be used as the feedback signal of controller. In this paper ,we try to resolve this problem. Methods The method of frequency multiplication is improved, and a new...

In this paper, the literature method is used to discuss the relationship between the formation of the sports industry cluster and the growth of the regional economy. According to the research, there are some problems existing in the development of the regional sports industry cluster of China, and relationship...

The rigorous requirement for safety, reliability, maintainability, and miniaturization in microminiature unmanned aerial vehicle (UAV) has motivated significant research in new technology. A dual redundant fault-tolerant flight control platform is designed based on the technology of system on a programmable...

In recent years, with the continuous improvement of China's comprehensive strength, the international circulation of CNY is accelerating day by day, and the internationalization of CNY is unstoppable. In this regard, this paper mainly discusses whether the internationalization of CNY can solve the...

The integration of computer technology and digital media enhances the creativity of investigating learning experiences in museums. However, the advance in computer technology and multimedia has changed the relationship between information and audiences in an exhibition space. In this paper, the experience...

With the development of virtual reality technology and somatosensory interaction technology, somatosensory interactive devices are constantly being updated. Today's immersive virtual reality technology has wearable devices that are more and more convenient, and the development of virtual reality...

Given how quickly augmented reality (AR) and virtual reality (VR) technologies are developing, panoramic image stitching technology is playing an increasingly important role in providing immersive experiences. Especially in complex scenes where natural and urban environments are interwoven, high-quality...

Closed-loop controlled electrical drive systems require constant speed without interference, which corresponds to CPLs and performs negative impedance characteristics, so that they have great influence on the stability of aviation power grid. The main purpose of this paper is to solve this problem by...

A new and simple distance relaying algorithm based on KVL for series compensated transmission lines is discussed in this paper. The fault impedance can be calculated accurately by solving the 3-order fault loop equations consisting of fault phase voltage, current, the differential and integral of current....

Distributed antenna system (DAS) has emerged as a promising architecture for future mobile communications. Compared with collocated antenna system (CAS), DAS has advantages in reducing transmission power and improving the cell coverage area. In this paper, the downlink performance of DAS with linear...

In this paper, we discuss a method of a textual transformation between the similar languages taking Mongolian as an example. The textual transformation approach is performed by combining a knowledge-based rule bank with data driven method. DP algorithm (dynamic programming) is applied to matching of...

As a quick and non-intrusive probe of photosynthesis, the chlorophyll fluorescence has been widely studied. Extracting the weak fluorescence signal from the strong noise is necessary to the chlorophyll fluorescence measurement and analysis. In this paper, the time-domain and frequency-domain characteristics...

Silicon carbide has better deoxidization ability than ferrosilicon and recarburizer by the thermodynamic analysis,the gas of CO produed by the deoxidation reaction can agitates molten steel which could purify the molten steel .In this article, we choose HRB400 as our testing steel,it is found that the...

The primary goal of each voting system is to ensure that only the eligible voters should be able to cast their ballots to the respective candidates. Therefore, electronic voting systems need to provide a transparent and trusted authentication process. Traditional paper-based voting schemes involve manual...

Web data mining is essential for identifying the online propagation of terrorism. Terrorist groups are using phishing websites more frequently to spread their beliefs, find new members, and plan events. We can evaluate web data to differentiate between websites linked to terrorist activity and those...

Competitiveness theory has been developed rapidly and widely used because it adapts to the competition between regions is becoming increasingly fierce. Urban tourism, the purpose of this paper is to develop and improve the industrial competitiveness of industrial tourism in the field of urban tourism...

According to the characteristics of Management Information System, the inquiring teaching mode based on the network learning space is constructed. Including the teaching resources development, class community construction and case guidance teaching situation creation; Role orientation of teachers and...

The granularity of abrasive jet is closely related to the jet force. The paper uses the FLUENT software simulation technology to analyze the flow field structure under the condition of jet with different abrasive granularity. It is found that single particle momentum increases along with the growth of...

Adding aluminum fluoride to electrolyte, is the most important to regulate electrolyte molecule ratio and the electrolysis temperature in aluminum electrolysis, which directly influences the current efficiency and energy consumption. This paper presents a decision model to decide the amount of AlF3 addition...

The wide application of computer information technology in the tourism industry has promoted the wave of tourism informatization, analyzed and excavated tourism data, explored new ways to integrate and optimize the allocation of tourism resources, and excavated wealth benefits. By building a spatial...

In this paper a novel IoT-enabled secure and scalable cloud architecture employing a hybrid post-quantum cryptographic and blockchain-based framework is proposed targeting multi-user system. Hence, to ensure the advanced protection of IoT data and communications against classical and quantum attacks,...

The protection of insurance consumers' rights and interests has always been a subject of concern to the supervision departments and experts. In recent years, some progress has been made in the protection of the insurance consumers' rights and interests in China. However, with the vigorous development...

PrefixSpan is an important algorithm for sequential pattern mining algorithm, but it’s projected database cost more redundant memory and scan-time, so this paper present an improved PrefixSpan algorithm(IPS) which is based on PrefixSpan. IPS decreases the redundant memory and scan-time by abnegating...

The higher order crack tip fields for physical weak-discontinuous problem of cylindrical shells are investigated. The crack located at the interface between homogeneous materials and exponential functionally graded materials. The governing equations are derived for homogeneous materials and FGMs regions...

Objective: To improve the abilities of full-time graduates, the Innovative Training teaching method will be discussed in this paper. Methods: Shenyang Jianzhu University conducted a new teaching practice using innovative training in the teaching process on full-time graduate students, and achieved significant...

For the question that it cannot ensure the privacy of identity and real-time updated key in the process of data fusion in smart grid, this paper proposes a algorithm of data fusion based on dynamic broadcast encryption. The control center broadcasts the key through dynamic broadcast encryption. Users...

This paper is devoted to the discussion of uncertainty measures of soft sets. We make an analysis of the existing works on soft set entropy and show their limitations. We propose a new axiomatic definition of soft set entropy. Furthermore, some distance based entropies for soft sets are presented.

In Time Division Multiplexing system, the central station broadcasts data packets to the subscriber station, and the proportion of valid data packets received by each subscriber station gradually decreases as the number of subscriber stations increases. The use of space resources can improve the time...

Based on the research and design of Gongzhuling Maize Growth Experimental Base project in Jilin Academy of Agricultural Sciences, this paper designs an automatic data acquisition system for moisture and weight change of maize growth based on the established facilities. The system uses the STM32 single-chip...

When different investors choose stocks, they will have different preferences. Many researchers have optimized investment return and risk control capabilities by improving genetic algorithms or combining new algorithms with genetic algorithms. However, how to select suitable stocks for investment portfolios...

The traditional teaching dominated by teachers has not been able to meet the needs of the learners, the new generation of teaching model represented by micro class, flipped classroom and mobile learning fully embodies the learners' subjectivity, autonomy and creativity. The immediacy of mobile learning...

This paper gives a brief but comprehensive introduction of condition of attack state and how we analysis it from massive xml file. Multi-attribute-based classification method supports mining privilege level of vulnerability. Owing to associated analysis, it combined directly and indirectly of vulnerability...

With the rapid development of Internet technology, E-commerce is increasingly accepted by the people. E-commerce transactions via the Internet to achieve a convenient, with ubiquitous business features. But such business model by the trading range of restrictions, has the deficiency of movement flexibility....

This paper presents graduates’ satisfaction of education and teaching job in applied colleges and Universities. Based on related theory, this paper collects information by the questionnaire survey form and analyzes statistics result of the questionnaire and interview, finding out the influence factors...

For obtaining relative accurate rolling-mill model is difficulty by the simple mathematical method, due to the complexity of the actual production scene and the non-linear relationship between variables, this paper firstly proposes an improved Bayesian regularization neural network model according to...

Vehicle information extraction is the key means in Intelligent Transportation System (ITS). Color plays an important role in vehicle recognition. The main challenge of vehicle color recognition is to find the dominant color. In this paper, we propose a color recognition method using convolutional neural...

With the development of information technology, there is the new demand of innovative talents for information talents training. The training mode of "3+1" information talents has become the most important mode of information talents training, and has been developed in most domestic colleges and universities....

It is essential to obtain much information, such as text, audio and video, in online teaching. Based on the presenter's desktop screenshot function, an efficient mechanism of desktop sharing mechanism is designed. The mechanism can be used to help teachers to share their desktop and the operation of...

Sleep is a complex phenomenon involved important modifications throughout life and changes of autonomic cardiovascular control. In present study, we aimed to analyze the influence of sleep stages on cardiovascular activity. Firstly, heart rate variability (HRV), pulse rate variability (PRV) and pulse...

SM9 algorithm plays a very important role in the field of information security in our country, it can effectively solve the problem of certificate management of PKI. The dot multiplication operation in the SM9 algorithm takes up a lot of computing time, which seriously affects the operation efficiency....

As a subdivision and backbone project of engineering of drawing water from Datong River into Huanshui River, the water transfer for main channel project is designed to transfer water from Datong River to Huangshui River, with the total amount of 3.6ž108m3 in a short-term and 7.5ž108m3 in a long-term....

Learning based face hallucination methods have received much attention in recent years. As opposed to the existing methods, where the input image (patch) matrix is first converted into vectors before combination coefficients calculation, this paper proposes a novel matrix based regression model for directly...

This paper introduces a new technology of exhaust treatment: dielectric barrier discharge plasma technology. Non-thermal plasma (NTP) has been studied as a potential candidate for diesel engine exhaust after-treatment, and the NTP reactor was the critical component in the technology. Research shows that,...

In recent years, the frequent occurrence of geological disasters such as landslides, debris flow and so on causes huge losses to the lives and property of the people. To solve this problem, this paper proposes a geological disaster monitoring method based on GNSS (Global Navigation Satellite System),...

To grasp the gas occurrence and emission laws of Yaoqiao deep coal mining area (West ten mining area and the second central mining area) in No.7 Coal Seam, the neural network is used to analyze the relationship and degree of influence factors between gas occurrence and gas content. We construct a prediction...

This paper studied how to monitor trusted software behavior based on dynamic proxy. First, it analyzed the dynamic proxy mechanism, putted forward the dynamic proxy monitor model, then researched how to weave the interceptor code in software monitor based on dynamic proxy, showed the weaving process...

Power manufacturing enterprises process events by hundreds of devices interacting with their plants. Rich statistical data distilled from combining such interactions in real-time could generate much business value. In this paper, we describe the architecture of HIA, a system for ingesting multiple geographically...

This paper analyzed the significance of studying evolution mechanism for industry university research institution cooperative innovation. It introduced the current research of industry university research institution cooperative innovation in domestic and international. It proposed some problem in industry...

Solenoid Valve CDC Damper is one of mainstream commercial solutions for Active Suspension. For most of Active Suspension control strategy, CDC dampers are treated as force generator [1]. For getting desirable damper force, CDC Damper performance is necessary. There are two way to describe to CDC damper...

This paper introduces the basic concept of CDIO(conceive, design, implement, operate) engineering education mode Pointing at and the lack of the existing problems in the teaching activities of the electric circuit experiment in colleges and universities. This paper discussed, in detail, the reform of...

Handwriting signature is an important approach for biometric personal identification. In this paper, a new method is provided to extract signature characteristic through wavelet transform. At first, a series of 4th order B-spline wavelet is constructed on the basis of B-spline function. After applying...

This Paper presents an algorithm to optimize high-level culling for self-collision test of arm cloth grid. High-level culling is at the triangle level, to cut off non-colliding areas and triangular pairs and obtain all possibly colliding triangular pairs. Here, we processed basic high-level culling firstly...

Aiming at the problem of interconnection between GB/T 28181-2016 "Technical requirements for information transport, switch and control in video surveillance network system for public security" (GB/T 28181) standard and Web Real-Time Communications (WebRTC) protocol, a protocol conversion server...

Inspired by biological systems, self-healing materials were achieved by incorporating microcapsules into matrix. Urea-formaldehyde microcapsules filled with EPA were prepared by in situ polymerization method. Surface morphology, size distribution, chemical structure, and thermal analysis of microcapsules...

Through the analysis on the website traffic monitoring statistics technology, design and realize an intelligent website traffic monitoring system. The major modules have statistical generalization, latest visiting, source details, online statistics, page statistics, monthly statistics, second glance...

With the rapid development of China's national economy and the continuous improvement of people's living standards, the demand for electricity is increasing day by day; the investment scale of the power grid is also increasing. In order to evaluate the investment capacity of power grid scientifically...

The higher order crack-tip fields for anti-plane crack oblique to the interface between functionally graded piezoelectric materials (FGPMs) and homogeneous piezoelectric materials(HPMs) are presented. The crack is oriented in arbitrary direction. The crack surfaces are assumed to be electrically impermeable....

For the research on the bees flight, the experimental platform combined of smoke wind tunnel and high speed camera has been set up. The information of bees flight on the plane can be synchronously recorded by two high speed cameras. By the analysis of pixel coordinates of bees wings on the photographs,...

Semiconductor lighting has the characteristics of energy saving, high efficiency, long life and environmental protection. It is the product of "green lighting" and semiconductor luminescence technology, and CUK converter is widely used in semiconductor lighting drive. In this paper, the main features...

The Yangtze River Delta (YRD) region is a demonstration area for the development of digital inclusive finance and a pilot field for achieving the "double carbon" target. However, does digital inclusive finance in the Yangtze River Delta region promote carbon emission reduction? In this paper,...

Nowadays, Evolvable Hardware (EHW) is widely used in many fields. When it is used in circuit design, its advantages can be incarnated adequately. However, if the circuit scales are very big, the probability of successful circuit evolution is reduced greatly. So improving traditional Evolutionary Algorithm...

With the development of global network technology and digital information, the form of learning resources has changed greatly. Most of the learning resources are changed from traditional paper resources to digital learning resources. Scientific organization of learning resources is conducive to the effective...

Spectral matching algorithms are widely used in various models for spectral analysis and identification. Traditional spectral matching algorithms usually adopt the similarity of their absorbance value as the index to evaluate the similarity between two spectra. The absorbance value is related to concentration...

Firstly, according to the disadvantages of the artificial bee colony algorithm which is easy to fall into the local optimum and the convergence rate is slow, this paper introduce the current optimal food source and inertia weight function to improve the food source updating method. Then according to...

The rapid development of "Internet +" technology has greatly promoted the reform of education teaching mode. Based on the analysis of the problems in the course teaching and the characteristics of blended teaching pattern, this paper proposes the application of blended teaching pattern to solve these...

The growing use of search engines business surveys, market updates, news reports, patients medical records etc., the use of automatic manuscript summarization is becoming more and more popular. In this process, the original data is compressed without changing its meaning. It is a growing field of Natural...

As global population growth poses an increasing challenge to agriculture, the importance of crop pest management has increased. At present, most pest problems are solved by traditional manual methods, which are becoming increasingly inefficient in the face of increasing production capacity, so automated...

Practical teaching is an important constituent part of teaching content of newly-built universities. This paper analyzes the current situation of practical teaching of newly-built universities first. Then, it raises solutions for problems from three aspects. On the one hand, it is essential to deepen...

Edge detection is an important link of image segmentation and object extraction. This paper examines the five kinds of edge detection operators commonly used, uses VC++ programming language to realize them, compares their test results and analysis their characteristics. It has a great reference value...

In the process of the informatization construction of universities, IT managers have meet many challenges. The rapid development of modern IT technology makes the complicated work such as industrial design, production process, financial statement cold chain logistics and storage management simple and...

The correlated X-ray scattering (CXS) was introduced and compared with other methods which were used to study the structures of the biomacromolecules in solution, such as nuclear magnetic resonance (NMR), electron microscope (EM) and small-angle x-ray scattering (SAXS). Then a key step which was used...

Using Workbench simulation to analyze the friction and wear characteristics of joint bearings under axial load of 1KN and rotation speed of 100r/min. Contrasting simulation results show that the new TiAl-based alloy can effectively improve the joint bearing friction and wear performance, and it occurs...

As Blind Box has gained explosive popularity among young people in China and POP MART is the most successful company in this industry, its operation and marketing strategies arouse the wide attention of the market and are copied by its competitors. Therefore, this paper focuses on POP MART s development...

Expert knowledge is very important and necessary in any field. It generally refers to the empirical experts and determine knowledge which expert used to solve problem. We can acquire unique and effective methods and knowledge systems from experts formed during their long term learning and working, so...

Faced with the growing demand for electricity and the shortage of fossil fuels, the development of new sustainable renewable energy has become an urgent need. Some environment-friendly energy source, such as wind power and solar power, becomes increasingly mature.

Since the 18th National Congress of the CPC, anti-corruption construction in China has made substantial progress under the Party’s strong leadership with Xi Jinping as its General Secretary and has stroke a severe blow on people committed corruption and decadence. Common characteristics have been found...

The conception and characteristics of underwater blast shock wave and gas bubble pulsation theory are explained in this paper, based on which the measuring principle and sampling parameters of the overpressure measuring system of underwater blast shock wave are figured out. The underwater blast pressure...

Passive Entry Passive Start(PEPS) because its high security and easy to use which has become the main development trend in the field of the automotive electronics.For the security and reliability of PEPS system,my paper proposed a encryption and decryption method based on KEELOQ algorithm.Compared with...

Based on the 5 MV wind turbine of a certain renewable energy institute in America, the model of a floating offshore wind turbine spar platform mooring system has been established by Orcaflex. By calculating the load on the wind turbine, the hydrodynamic analysis of the wind turbine mooring system was...

Component extraction is wide used in biomedical signal processing. Traditional independent component analysis (ICA) techniques aim to estimate all underling components from their mixtures simultaneously. To overcome the drawbacks, a constrained separation approach is presented for extraction of one or...

In order to accurately portray a person's talents, skill verification is a crucial element of transparent future societies. Blockchain technology makes it possible for skill verification to be secure and decentralized, promoting confidence and doing away with the need for middlemen. In this paradigm,...

Although traditional processing methods can be effective for removal of algal blooms of cells, also has the potential to provide a major breakthrough of microcystins in the course of normal operation. As a result, the presence of more advanced processing of algal toxins in drinking water treatment water....

In order to reconstruct the gingival margin curve of the discrete curvature estimation of triangular mesh surfaces, the estimation methods of the vertex normal vector and discrete curvature of the triangular mesh model are summarized and reviewed. By the analysis of the existing method of vertex normal...

Some problems, such as slow speed, inefficient and excessive labour, etc, may exist if the quality detection is carried out artificially in the volume-production of nut collars. Therefore, the machine vision is introduced into the dynamic inspection system, which can automatically measure the inside...

This paper proposes a high-performance STM32 microprocessor issued by the STMicroelectronics for thedesign plan of the brushless DC motor. The special power-driven chip IR2136 is thecore of the drive part. The design of the system hardware, master software, and PC software are completed. The position...

This paper focuses on the generation and harm of power harmonic, and different measures on harmonic treatment. Analysis the Harmonic Suppression measures of Hybrid Series Active Power Filter. Result shows that the Hybrid Series Active Power Filter devices has the capacity advantages which is appropriate...

With the wide application of online teaching, in order to better understand the development status and influencing factors of online education in the context of “ Internet + education ”, members of this project conducted a questionnaire survey in some regions of Hubei Province, and used Eviews software...

In this project, machine learning (ML) models were applied to predict Amazon’s stock prices using historical data from 2014 to 2019 obtained from Kaggle. The predictive performance of Linear Regression (LR), Random Forest (RF), and Extreme Gradient Boosting (XGBoost) was evaluated using metrics such...

Children’s art education mobile applications, which can effectively reduce the learning threshold and improve learning efficiency, has become the first choice for many parents to provide extracurricular art learning for their children nowadays. The characteristics of art education and information technology...

The geometrical characteristics of radio signals diffracted by edge block and the Vogler multiple edge diffraction function were studied. Three ray method was proposed to model iron board block. In the indoor environment, the diffraction attenuation characteristics of the rectangular iron board blockage...

The main purpose of this paper is to analyze the modern economic structure model based on approach of social computing and experimental modeling. A non-linear distributed parallel model is developed for the aim of further exploring the relation between the rate of economic growth and complex human behavior....

The electrode distance variance and capacitance style pressure sensor is talked about .The change rate of the pressure is treated as judging basis of whether the fault is existed. Make the bridge output signal as the sensor’s output signal and one of the detection signal,also make the operational amplifier...

In order to implement high precision time synchronization autonomously in the absence of any external time source, in this paper, the author introduced the synchronize model of fireflies into UAV formation network, and proposed a kind of distributed time synchronization methods based on broadcasting,...

Most of the traditional text classification methods use a single classifier, but different classifiers have different emphasis on classification tasks, which makes a single classification method have some limitations. This paper presents a text classification method based on multi-type classifier fusion,...

Aiming at the difficulties to prevent Web applications to be maliciously injected which are increased by all kinds of dynamic Web technologies applied, concentrate on XSS attack, this paper reviews the research progresses of Web application injection vulnerabilities detection in recent years. It summarizes...

This paper proposes a fireman positioning method based on RFID technology, which combined RSSI and TOF ranging in automatic positioning firefighters. When the system can't measure the distance due to various reasons, it will estimate the target location of the current based on historical data. The experimental...

The traditional atomic clock frequency prediction method has the characteristic of hysteresis which based on the clock frequency published by BIPM monthly. A dynamic prediction of atomic clock frequency model is proposed in this paper by using a rapid Coordinated Universal Time (UTCr) published by BIPM....

This paper studies an optimization operation strategy for high-speed trains with a purpose of minimizing the running energy consumption in a fixed time. A more comprehensive and energy-saving model based on a priori available information is proposed, where the relatively special performance characteristics...

Gansu is a major middle west province with rich agricultural products, so it is of great practical significance to develop the e-commerce of agricultural products in Gansu province. By means of quantitative analysis and qualitative analysis (AHP), the main factors affecting the development of agricultural...

In recent years, high-speed rail transport and air transport have developed rapidly at home and abroad, and the competition between railway transport and air transport is becoming increasingly fierce, but there is also room for cooperation. Overseas Heathrow Airport, Skip Airport, Charles de Gaulle Airport,...