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robot model of three-arm and five-degree freedom plus large scope of traversing welding was established, and decoupling of models of “large scope of traversing”, “triangle movement of two arms” and “spherical movement of one arm” was realized. The model of “triangle movement of two arms ”is able to use...

Social media influencers have been utilized by many companies as a marketing method for the past decade. The benefits of micro-influencers, the group of influencers that have a relatively smaller following size, are often underestimated. In this paper, we will explore the effect of micro-influencers...

With the adjustment of China’s industrial structure and the change of talent demand, the requirements for training applied talents under the background of industry-education integration are getting higher and higher. Aiming at the problems in the special cultivation of applied talents, this paper puts...

With the rapid development of aircraft industry, manufacturing department needs to put forward higher requirements for the accuracy of aircraft assembly. It not only affects the overall quality of the aircraft but it also affects the cost of aircraft manufacturing. This paper introduces the ways about...

In order to improve the accuracy of feature extraction, a Multi-scale Fuzzy Entropy algorithm is proposed based on Entropy theory. The new algorithm combines the concept of Fuzzy Entropy and Multi-scale Entropy. Aimed at the shortage of Empirical mode decomposition (EMD), Index Energy is selected as...

With the development of computer and related technology, makes the computing, communications, network and sensor, and other functions are integrated in wireless sensor network technologies. This article is precisely based on this research background, we have analyzed the overall design of wireless sensor...

Along with computer technology's popularization and application and popularization, the network technology has been widely used, the resulting network security issues have become increasingly prominent, the network itself and network information system which is based on the potential security risks....

To reduce fuel consumption, a simulation model of range-extended electric vehicle for city bus drive cycle is established and a fuzzy control strategy to maintain battery SOC is put forward. The fuzzy controller’s input parameters are battery SOC and the change rate of SOC. Confirmed by the experimental...

Since the wind turbine brake is not easy to replace and repair in the high-altitude operations, it requires high reliability and high braking performance. Accordingly, a dynamic model is established for the megawatt wind turbine brake. By simulating and analyzing the braking process, the braking curves...

A WSNs(wireless sensor networks) secure strategy is presented by dividing sensing square into grids and utilizing a bilinear map methodology in this paper. Both ordinary sensor nodes and heterogeneous sensor nodes are dispersed in whole sensing area. All those sensor nodes establish their communication...

Institutions should take the job requirements as the guide, clarify the basic requirements of the curriculum of the equipment application, scientifically set and dynamically update the teaching content of the courses on the application of equipment to build the teaching content system scientifically....

Beijing is the main vegetable market area. Vegetable consumption changes will have an impact on vegetable production. By tracking the vegetable consumption of 200 households in Beijing for 14 consecutive years, based on the investigation data, this paper describes the present situation of vegetable consumption...

A method based on fractal combined with Bior 3.7 wavelet is proposed to analyze atmospheric particulates’ fractal feature. By the use of microscope, atmospheric particulate samples were taken into digital images. After a series of image processing including Bior 3.7 wavelet decomposition and reconstruction,...

In order to improve the distribution of network fault finding, isolation and restoration line, Firstly, the paper analyzes the current situation of 10kV distribution lines and the types and characteristics of the fault, The local intelligent processing principle to solve the complex problem of fault...

To monitor the equipment condition changes, a warning method based on MEP (Maximum Entropy Principle) is proposed. First, the data is normalized and the data objects are divided into K clusters by K-means clustering algorithm. Second, the parameters are calculated and its probability density function...

Wigner-Vill distribution (WVD) will inevitably have cross-terms when it used for time-frequency representation in a multi-component signal. In order to suppress the cross-terms in Wigner-Vill distribution, this paper proposes a joint algorithm based on EMD-ICA. This algorithm resolves a multi-component...

In this paper, the index curve model and hyperbolic model are analyzed. And the settlement value of a real project is forecasted based on these models. The research show that the index curve prediction results relatively conservative. And the cross section of subsidence prediction shows that there is...

With the unceasing development of national economy and science and technology, wireless data transmission is extensive used in many areas, basing on its characteristic of flexible and so on. Based on the SMS of GSM net, this article introduce an intelligentized surveillance system which is used for controlling...

With expanding scale of modern power system and cross-region connection of power grid, the system often run closer to the ultimate state. So the security and stability problems become a focus of power system. This paper proposes an accurate regional-equivalent-system model, and the transient energy function...

Because wind energy is very rich, the price is very cheap, energy will not be exhausted, and can be obtained in a wide range, very clean, no pollution, will not affect the climate, so wind power has been the world's fastest growing energy. This paper summarizes and tracks the main forecasting techniques...

This paper describes the overview of foreign and domestic garbage garbage power generation profile, and then were introduced three ways trash generation, namely landfill gas power generation, waste incineration power generation and waste gasification power, then this paper describes a comprehensive benefits...

Isolation switch of the high voltage alternating current usually emerge some faults, as the suffered losses of electrical power system is increasing, people will begin to pay attention to the fault problems of isolation switch. Through knowing the basic performance of isolation switch, people give some...

Electric power industry standard DL/T911 2004 Frequency Response Analysis Method of Power Transformer Winding Deformation, it is definition of winding deformation Under the action of mechanical force or electric force, the power transformer windings axial or radial size changes, usually it characterized...

the situation is grim for domestic civil electrical fire and arc fault is the main cause of electrical fires. Low-voltage arc fault protection technology in China is still in infancy, and has not yet established a complete low-voltage arc fault database and the arc fault protection system is not perfect...

In recent years, aluminum enrichment in soils is exacerbated. The amount of aluminum exchange in acidic soils directly affects the level of soil acidification. Aluminum toxicity-neutralizing capabilities of the microorganisms that have survived under the aluminum toxicity selection determine the harmfulness...

At the main transformer for Helping on the 1st pre-test and found that the 1st variant of 66kV side of the A-phase winding DC resistance is too large, and the phase imbalance difference of 7.21%. On all aspects of the test wiring, testing and other parts were examined and treated, the test data did not...

Since direct fault arc current is lower than the normal current value, it cannot be discovered by over-current protection; On the other hand, the arc is so dangerous. Therefore, it's imperative to research on direct current (DC) arc. In this paper, with a large number of current data through experiments...

With the increase of current employment pressure, it has become the development concept of the school to serve the development of students' career. It is a key factor in mastering communication skills with people whether a student can achieve employment. In fact, the teaching content is the core of classroom...

This paper uses advanced encryption standard (AES) to implement encryption algorithm and FPGA devices to achieve hardware encryption. AES commonly used to provide several security services such as data confidentiality. However, it is a challenge to design efficient hardware architectures with small hardware...

To solve the traditional problem that the situation in mine is unknown in time, a kind of wireless monitor system based on ZigBee technology is designed. In this system, the security manager can real-time monitor the gas density of multi-location .Compared with traditional system, this system is portable...

Based on posterior probability of support vector machine, the analysis of dissolved gases in oil and the data of electrical tests are used comprehensively to recognize internal fault positions of the power transformer. This method not only inherits the advantages of the support vector machine for small...

Since the outbreak of COVID-19 in 2020, there has been a very serious impact on the global economy. In this paper, the period from May 2019 to February 2020 was selected as the pre-epidemic, and the period from March to December 2020 was selected as the mid-epidemic. The stocks of the US healthcare sector...

This paper describes the development of a new transmission line live working foreign body removal, a tool developed by a lightweight safe, efficient, timely treatment and threats to the safe operation of overhead transmission lines foreign body proved to avoid the strong electric field of charged workers...

The hydrogel is a three-dimensional reticular polymer with high water content, which was used in various fields such as medicine, biology and environmental protection. However, the characteristic of lower mechanical properties limited its application. Therefore, the improvement of the mechanical strength...

Business E-mail is an important communication tool in foreign business activities. Particularly, in today’s Big Data era, the realization of “paperless trade” mainly relies on business E-mail communication. Based on relevant theories of stylistics and pragmatics, and supported by E-mail samples collected...

Considering the problem of nodes selection in multi-target tracking of wireless sensor networks, a modified binary particle swarm optimization with a novel particle encoding method and particle position update rules and a mutation operation. Based on this modified binary particle swarm optimization,...

Group key management plays an important role in ensuring the safety and reliability of the VANET (vehicular ad-hoc network) over the channel. Through considering the characteristics of VANET communication and topology, a VANET group key management scheme is proposed based on random transmission which...

This is the best era as well as the worst era. The arrival of the information age has brought joy and convenience to our lives and entertainment. However, various privacy issues have also begun to show drawbacks. For the market, it also exacerbates the complexity of regulation. The Wei Zexi incident,...

In order to let more workers engaged in advertising design industry, can get more design ideas in work, here by we introduce development "expand thinking " this way of thinking. In this article through advertising planning cases case of teaching design and Poster Design case to illustrate the Thinking...

A levee road is a component of a levee project. The subgrade of a levee road is the levee itself and usually it is submerged in the water. A special attention has been paid for slop stability and seepage of levee road under submerged condition during design and construction phases. This study investigated...

Social trust, a crucial part of informal institution of enterprises, plays a significant role in corporate management. With enterprises listed on China’s A-shares market traded on Shanghai-Shenzhen Stock Exchange from 2010 to 2020 as research samples, this study empirically investigates the impact of...

to realize agricultural and rural modernization is an inevitable requirement for establishing a new type of industrial-rural urban-rural relationship. To realize agricultural and rural modernization, we must not only rely on external forces, but also stimulate endogenous long-term strength, to form a...

With the rapid and bursting development in the subject of computer science and data mining technology, the combination of data analysis and network security is indeed needed. In response of the fact that traditional intrusion detection systems are not able to fulfill the requirements for specific network...

With EP(epoxy resin) as matrix resin, DCA(dicyandiamide) as curing agent and modified imidazole as curing accelerator, and adding fillers and other additives, a single–component flow–type EP underfill adhesive was prepared. The curing temperature was determined by testing gelation time and characterizing...

In the high speed feed system, the temperature rise of the bearing will affect the positioning accuracy, so we design the liquid cooling system to cool the bearing. The cooling system consists of the mechanical module and the liquid-cycle-cooling module. The mechanical module is a spiral groove on the...

As the proliferation of mobile malware advertising, there are no existing industry rules and legal restrictions on them, users need to identify and undertake adware risk by themselves. In response to this situation, it puts forward mobile advertising security risk assessment model based on AHP. This...

The increase of the feed speed leads to severe thermal deformation, which seriously affects the positioning accuracy. Therefore, we take the X-ray feed system for machining center as the research object. Then, by analyzing the main heat source and establish a finite element model, the steady-state temperature...

The development of computer science and plane geometry brings a new favorable opportunity for the research about the Four-color Theorem. After converting original map to undirected graph, this paper proposes a new method based on undirected graph and polygon triangulation to prove the Four-color Theorem.

The paper based on the analysis of the regional geological background of Maoping lead-zinc deposit and extract alternation information in the area through ETM+ remote sensing image. It used principal component analysis to extract the alternative anomalies.We can research on the alternation anomalies...

Roaming platform is the most important part of the virtual reality, with which can shorten the exploitation time to a great extend. This walkthrough platform is based on virtual transformer substation, and has added collision detect, mouse identifying, natural phenomenon simulation and some other key...