According to the kinematics and dynamics characteristic of UAV Two-axis Pan-title, the dynamic equations of two-axis platform was erected up, and moreover by predigesting and linearizing the model in the balance point, the math model was gained which could be the same with Fault-tolerant controller design....

In this paper, we introduced and analyzed automobile engine’s common linear exhaust gas recirculation system’s features ,with a method of comparison, based on my years of vocational colleges' Automotive Electronic Control Engine Construction and Maintenance teaching practices. Among these includes the...

The rapid development of national economy, not only requires the occupation education to meet the personnel quantity requirements, but also to ensure the quality of talents. In order to make the occupation education and healthy development, the state issued a series of preferential policies, to encourage...

The dynamic shear rigidity is an important function for marine soil. Due to the random fluctuation, the proper expression on marine soil dynamic shear rigidity is stochastic spectral theory. The typical marine sediments were studied here. Their dynamic characteristics were included systematically in...

Intelligent headlamps AFS (Adaptive front-lighting system) can significantly improve safety of nighttime driving behivior, bending mode algorithm of conventional AFS are basically based on vehicle speed and steering wheel angle signal/ road wheel steer angle signals to control the swiveling angle of...

A lot of tank-type parts installed in the rail vehicle, which as a function of the bearing parts and mechanical connections between vehicles of media, which is to ensure the functional parts and vehicles are properly connected or protected features no outside combat, erosion, corrosion and other factors...

In order to improve the growing serious traffic congestion on the junction of freeway and expressway (junction of road network in short), starting from the on-ramp metering, considering the main line and its on-ramp control requirements, the multi-agent collaborative was introduced. And the relativity...

The development of a new generation of high performance gas turbine engines requires gas turbines to be operated at very high inlet temperatures, which are much higher than the allowable metal temperatures. Consequently, this necessitates the need for advanced cooling techniques. Among the numerous cooling...

Aimed at cultivating interdisciplinary talents of economics and management with high quality, this paper proposes a multidimensional and integrated experimental teaching system, and further innovates diversified experimental teaching methods and cross-border experimental teaching organization. The proposed...

Typical teaching spaces of the colleges in Chengdu are selected as the object of the research for its typical severe weather, which is hot in summer and cold in winter area climate. Several instruments have been utilized to test the index of thermal comfort, indoor temperature, wall temperature and air...

In this paper, the traveling recorder for mine locomotive is designed, which can store a section of video for further analysis and transfer the real-time image by the wireless communication to the monitoring platform. By the recorder, the personnel in the monitor room could find some hazard situation...

The development and inheritance of Central Plains martial arts, as an intangible cultural heritage, is in a difficult period. But the advantages of information networking technology, such as fast transmission, wide audience, strong interactivity, and rich information have provided a new technical means...

This paper proposes a comprehensive method, named realization degree mid-term evaluation,to assess indicators during “Twelfth Five-year” mid-term. Meanwhile it establishes mid-term evaluation for the “Twelfth Five-year” planning of Shanxi indicator system constituted by three hierarchies,such as target,...

Making non-stationary random excitation in automobile vibration system change into stationary one is that the sample function of random excitation studied is made into a product of two functions, one of which is a definite function, called observation function, the other is stationary random process,...

In recent years, extreme weather phenomenon has happened frequently, for example, rainstorm, hard snow, fog etc. At the same time, extreme weather phenomenon causes easily stagnant water, surface snow, ice on road, highway landslide and other disasters, which causes many traffic hazard points, brings...

This study takes older blocks around the eight immortals palace in Dongguan of xi 'an as an example to explore the comparison and validation of integration of community public space in the old city with the classification prototype, and then puts forward strategies for the space management. Based on...

With the enrichment of Marine information on the Internet, the users find that it is hard to find the knowledge they need when they face with a deluge of Marine information resources, they wish to acquire marine information data rapidly which is integrated and desirable. Recently, researchers have been...

There are labor intensive, harsh environment and other issues in the handling process of the cheese in the dyeing workshop. To solve this problem we have designed and developed a Cheese Rectangular Coordinate Robot. PC is the host computer, and the software in PC is compiled in VC environment. It responsibles...

4-UPU belongs to the category of less degree of freedom parallel mechanism, this paper analyzes kinematic pair of the parallel mechanism and the structure design of key parts, and selecting the best design scheme.According to the bottom and the principle finish three-dimensional entity assembly, in the...

Based on a combination of BP neural network and SVM, aluminum plate surface defects classification was discussed. In order to detect the defects, the target image is binaried by adaptive threshold method. After binarizing the target image, extract the characteristic value of six kinds of aluminum plate...

This paper introduces the composition, working principle, hardware and software design of the control device of the economical mine hoist rope winch.The device is controlled by the main control box.For the core, real-time detection of speed signal and winch running information, and can be real-time display...

Along with the development of information communication, the amount of data to be obtained also increases. However, the requirement for high-speed data transmission is far more than the development of data transmission and put forward to a higher demand on high-speed data transmission. So, researches...

Automated and accurate classification of MR brain images is of importance for the analysis. Recently researchers have proposed many different and innovative methods to improve upon this technology. This review focused on discussing the strength and limitations of earlier proposed classification techniques....

This paper proposes an adaptive network-based fuzzy inference system (ANFIS) based forecasting method for short-term solar power forecasting. An accurate forecasting method for power generation of the photovoltaic (PV) system is urgent needed under the relevant issues associated with the high penetration...

At present, most of the researches on net present value are focused on single objective cases. This paper discusses net present value problem with upper level multi-objective optimization. In order to solve the problem efficiently, we present a genetic algorithm using interpolation. According to the...

Routing protocol is one of the core technologies of wireless sensor networks. RPL (Routing Protocol for Low-Power and Lossy Networks) routing protocol, designed by ROLL Working Group, is mainly implemented on the TinyOS and Contiki operating system. In order to extend the application fields of RPL, we...

IPv6 (Internet Protocol Version 6) is the next generation of IP protocol used to replace the current version of IP protocol designed by IETF(Internet Engineering Task Force),and applying IPv6 technology to the wireless sensor networks (WSN) will be a hot spot of research. Combining with the characteristics...

To deal with the deficiency of the existing image threshold segmentation algorithm, combining the advantages of Artificial Fish-swarm Algorithm (AFSA), based on the improvement of the AFSA, the thesis proposes a new improved image threshold segmentation algorithm which is the combination of the AFSA...

A fast initial alignment method used Adaptive sample size unscented particle filter (AUPF) for SINS is proposed in this paper. As the SINS initial alignment with large misalignment angle is a typical nonlinear and non-Gaussian filtering problem, the unscented particle filter (UPF) is widely used in existing...

Social Network Service (SNS) includes QQ, Facebook, Twitter, Blog, etc. Studies show that in the complex network, 20% of nodes with degree accounted for 80% of total degree. So the importance of each node is very different in the network. Many researchers dedicated to studying of complex network centrality,...

Purchase behavior trend of online shopping customers is predicted in this paper via a Negative Space-Trust Model. Based on cognitive psychology, this model we build mainly focuses on the influences of three types of negative space proportion in e-commerce webpage design (negative space proportion of...

The electromagnetic component expressions of transient electromagnetic field in formation media for ground magnetic dipole are derived based on electromagnetic field theory. Fast Hankel transform and the Gaver-Stehfest inverse Laplace transform method is used for forward numerical calculation of transient...

The explosive development of the IT field, the number of structured and unstructured data is increasing in geometrical. According to this tendency, the importance of Big Data and analysis techniques has received attention. Also, using these data a number of cyber-crime has occurred. So, the security...

In this paper, we conduct theoretical analysis and numerical simulation on the sensor network spectrum detection technology based on Internet of Things. In the field of Internet of things, information service system as a means of information, intellectualized, is an important research direction. In structure,...

For example of the two-degree-of-freedom micro-actuator, the topology optimization, extraction and experiment are investigated. Firstly, the topology optimization model considering the suppression strategy of input and output coupling terms and optimization algorithm is developed. Secondly, according...

In this paper, a mathematical model is established to apply for orientation distribution of short fibers suspensions in shear-equibiaxial extensional flow. Furthermore, the result of differential equation on plant fibers orientation can be acquired in complex flow.

the number of various things began to connect to the Internet. Much more data than ever before has been recorded in the data system. Accordingly, the system that saves, analyze a data Measured from things is required. People try to predict the future through nature. IoT cloud platform that write an overflow...

This paper first introduces the concept and allocation status of virtual reality technology, by analyzing the current computer-aided design problems in the toy, this paper also describes the virtual reality techniques advantages in toy design, mainly referring to improve the innovation of design, shorten...

In this paper, the prototype of the Tibetan language search system is built and the solutions to key issues for this model are proposed.The characteristics of Tibetan language of web pages are analyzed and extracted. The web page encoding are converted to standard Unicode, which permits for better recognition...

Aiming at discussing the important issue of large time-delay temperature control of large-scale chicken farms, a large time-delay model of large-scale chicken house temperature control is firstly established. Through the large time-delay model of the large-scale chicken farm temperature control, the...

In the smart substation security area, the IEC 62351 standard defines clearly security measures, provides security guarantees for substation communication system and network security. This paper analysises the part of IEC 62351 standard of GOOSE/SMV protocol security, finds out the shortcomings of the...

This paper has done some research on the flatness measuring method of satellite antennas under thermal loads. A real time thermal control technique was proposed. Using this technique, the temperature of the satellite antenna was heated from the room temperature to 70°C, and the temperature distribution...

With the scaling of NMOS devices, gate tunneling current increases significantly under Drain Induced Barrier Lowering (DIBL), and static characteristics of devices and circuit are severely affected by the presence of gate tunneling currents. In this paper, a novel theory on direct tunneling current predicting...

Freeway traffic flow and safety are the main subjects of the current highway traffic operation in an intelligent transportation system. The traffic flow model and traffic safety evaluation model were studied in this paper to analysis the traffic operation under a new traffic rule of variable traffic...

With the development of electric power, communication, network and sensor technology, the applications of wireless sensor network in smart grid will be more extensive. However, the privacy issues of wireless sensor network will also be more obvious with variety of applications, if we do not take appropriate...

In this paper, the construction method of common measurement matrices is studied, adaptability of common measurement matrices for mechanical vibration signal is analyzed. Typical measurement matrices are selected from commonly used measurement matrices, Gaussian random measurement matrix and Bernoulli...

Rotor unmanned aerial vehicles (UAV) usually adopt MEMS gyros, accelerometers and magnetometers to determine its navigation attitude. Because a MEMS gyro has a drawback of angle drift, its attitude data is often corrected by the data solved with accelerometers and magnetometers. This paper presents a...

Distributed PV generation system is an important way currently for distributed power construction. Affected by device characteristics and installation features, it suffers a higher probability of failure, so its impact on the public grid is more than ordinary electrical equipment. In order to prevent...

With the development of mobile Internet and semiconductor technology, people have the increasingly strong demand for the home life of the network, intelligence and energy-saving. The household appliances, lighting, security alarm integrated into the control platform through a wireless network, realizing...

The dynamic characteristics evaluation of thermocouples presents a challenging problem for temperature measurement. The authors have recently proposed a novel difference-based cascade thermocouple measurement system that consists of three thermocouples with different time constants. The combination of...

PV as an important form of new energy, which has good prospects has been developed rapidly in recent years. However, distributed PV grid causes such as power quality, stability and reliability, also distribution Maintenance island effect will work to bring a lot of PV systems security risks. This mainly...

As one of the important sectors of the national economy, the power industry management department should constantly expand the scale of power system. Therefore, it faces increasingly heavy grid development planning task. Based on the research of the vacant area inference, existing classification and...

Print mottle is one of the most detrimental factors to general print quality, and to get high quality print, the most important thing is to resolve print mottle problem. The evaluation method for print mottle is proposed by means of discrete wavelet analysis, in which the index of print mottle is built...

This paper proposes multi-filtering method to prevent DDoS attack. Several filtering methods are applied in two firewall architecture for effective DDoS prevention. In the first firewall, R-PA filtering algorithm and strict hop counter filtering method are applied by analyzing packet paths. In the second...

It is an important engineering problem that affected by the environmental factors, the performance of aircraft structure of carbon fiber reinforced polymer (CFRP) under the Marine environment has depredated; and it is an important means of analysis of CFRP material degradation by accelerating aging mechanics...

A large number of malicious apps focus on stealing personal and financial information. It is very important to detect such apps as early as possible in order to prevent subsequent crimes. DroidBox incorporating TaintDroid detects leakage of private information, IMEI (International Mobile Station Equipment...

The relationship between the robot and visual measurement system (VMS) fixed on it is a critical part of the robot visual measurement system (RVMS). This paper presents a method to calibrate the robot and the VMS fixed on it without the traditional hand-eye calibration procedure. In the paper, the last...

Aiming at the problems of traditional linear variable differential transformer (LVDT) with poor linearity and small stroke length ratio, a new kind of structure with magnetic ring was presented. The finite element simulation models of the before and after improved LVDT were established. The structural...

The common urinal flusher, whether the button switch type or infrared detection induction, due to the water hole in the system by flushing it into the water column outflow, which cannot be evenly distributed in the urinal, resulting in poor cleaning effect. Furthermore, when a large amount of water washed...

The method of completing the squares is a method that is used to transform a math formula directionally in order to obtain a perfect square formula by making rational use of “splitting items” and “adding items”. Least square estimation consists of the method of projection, the method of derivative and...

This paper introduces a home networking solution of wireless intelligent control lighting system with Zig-Bee to overcome the shortage of the traditional intelligent light control system. Software and hardware design of networking are also made.Then based on the main control chip CC2430, the coordinator,...

Document image retrieval technology is extensively studied, but there is no report about Uyghur document image retrieval. Hu invariant moment features based document image retrieval scheme is proposed for Uyghur document images in this paper. Firstly, seven types of invariant moment features are extracted...

MPSK is a modulation method which uses various phase states of the carrier to describe digital information. And it is widely used in the field of digital communications. Now, the applicable scope of MPSK signal modulation is too narrow, and it is necessary to know the type of signal source to modulate...

Along with social progress and scientific development, there is increasing demand for smart devices. In this paper, the design of ultrasonic obstacle avoidance car can be widely used in intelligent household, intelligent robots and other sports-related equipment. This paper will use Verilog HDL language...

FIR filter is widely used in the fields of signal processing with high fidelity. In the design of FIR filter the traditional algorithm such as serial DA algorithm, parallel DA algorithm and combined series and parallel DA algorithm are all not so suitable, which has lots of shortcomings. In this design,...

In recent years, new communication technologies has made rapid development. Orthogo-nal Frequency Division Multiplexing (OFDM) is a core technology in the fourth-generation wireless communication field(4G). The basic principle of OFDM is to split a high-rate data stream into a number of lower. In OFDM...

Traffic lights are common in daily life’s digital systems, the design of traffic lights need to use many basic functional units of digital systems. Traditional digital circuit design is based on the design of integrated circuit in small or medium scale, which has the limitations of needing too many circuits,...

The scan digital display has the function of receiving and processing digital signals. As an advanced display type, the digital display presents a trend of accelerating development. Because of shortage of the long development cycle and high price of the traditional display design, this paper designs...

In order to build intelligent robots to accomplish soccer game tasks, this paper introduces evolutionary computing in agent architecture for perception, planning, and action: (1) an architecture based on PSO is proposed, which made up of 4 levels: atomic action, combo action, behavior and policy. (2)...

On the purpose of measuring Newton rings deformation stress and the intelligentialize of the newton rings apparatus, a Variable Gain Amplifier circuit which is based on a low power, general purpose instrumentation amplifiers INA128 offering excellent accuracy was designed to amplify the low frequency...

a novel content-based image retrieval framework was presented in this paper. This framework is used to encode primary visual feature and saliency information as natural image features by simulating visual attention mechanism and using the conditional probability. In this framework, the color volume is...

Wind turbine condition monitoring and fault warning has important practical value to reduce maintenance costs, improve operational efficiency and reliability. In this paper, the characteristic parameters of SCADA system monitoring, based on the principle of similarity modeling techniques, through reasonable...

Water ecological carrying capacity of basin is important basis to whether coordinated development for basin resources, environmental and economic society, is important means to impetus sustainable development of water ecological environment and social economy. Take Tieling section of Liao River as an...

Determining the vertical wheel-rail force by measuring rail displacement is approved to be feasible in this paper. Wheel-rail force data is collected following the common way firstly, i.e. strain gauge is pasted on the rail to measure the strain. During the test, different vehicle running speeds through...

This article takes the planning for Baicheng Industrial Park for the main object. Starting from the theoretical research, the paper conducts a deep investigation and analysis of the actual development of the Baicheng Industrial Park. With the method system of qualitative and quantitative analysis, the...

Changchun Jingyuetan National Scenic Spot is a sophisticated ecosystem, to explicit the functions and values of ecological products, ecological process, and to offer information for decision makers, a range of appropriate ecological assessment methods: opportunity cost approach, cost analysis, human...

Electron mobilities limited by surface roughness scattering (SRS) in GaN nanowire have been investigated theoretically. The mobility found to be sensitive to the nanowire radius and electron density. Results show that the larger radius nanowires exhibit considerably higher mobility than smaller radius....

The sodium metavanadate samples are digested in hydrochloric acid, and the content of matrix element sodium is directly measured by inductively coupled plasma atomic emission spectrometry (ICP-OES). The optimum dilution ratio is disposable obtained by optimizing the weight of the sample and the volume...

A traffic states detection method is proposed to represent the road traffic conditions accurately and reduce labor intensive monitoring work in this paper. The edge of image, which is named as edge characteristic, is applied to describe the number of vehicles running on the road, and the average density...

In order to realize underwater automatic welding in deep water environment, an automatic welding equipment, which is composed of truss structure, welding mechanism and mobile walking mechanism was designed and tested in the recent research. The bent fatigue strength check was carried on the driving part...

Microfluidic driving and controlling techniques are fundamental and important in microfluidic applications. Traditional reagent driving systems of microfluidic chips such as syringe pump and piezoelectric actuator have their inherent shortcomings. Syringe pumpis easy to deformation and screw motion is...

In this paper, the rear drive axle house of Dong Fang Hong 40 tractor was selected as the research object, through Finite Element Analysis by ANSYS Workbench, critical sections and conditions were obtained. Based on results by FEA, multi-objective fuzzy reliability robustness design model of rear drive...

In this paper, the design development of a new type of self-balance obstacle car, it can climb over obstacles, across the gully. The car is on left and right wheels independently driven, through advanced microprocessor. The inclination sensor in control system and the mechanical body device to control...

Drive system of generator is an important part of wind turbine, once the fault occurs it will cause huge economic losses. For this reason, in this paper, a fault diagnosis method is proposed for generator rolling bearings, it combined with wavelet packet and support vector machine. Acquisition of wind...

With the implementation of new pattern urbanization, the smart city construction in China is gradually out of the stage of project and conception, and switching to the stage of exploration and practice. Intelligent property is the important component of smart city. With recent years’ development, property...

Land intensive use is essentially the relationship between land input and output, which means to get the highest output with the least input. The evaluation of land intensive use level is a vital content of urban land management, which can help to provide scientific basis for the governments' decision-making...

An optimization scheme of the leakage current reduction (LCR) for SRAM design has been proposed in this letter. By choosing the enabling signals for the LCR circuits intentionally, it can be deduced theoretically that there exists an optimal design option for the LCR technique application under the premise...