Advanced Materials Research Vols. 791-793

Abstract: A fast tag anti-collision algorithm is proposed based on the binary search algorithm. First, the reader sends a query to make sure of what prefixes all the tags have, and the prefixes were pushed into a stack. Then queries containing the prefix information are sent to identify the tags. During the query process, the bits of data transmitted between the reader and the tags were greatly reduced; the back track strategy was adopted to reduce the reader query times. Simulation results show that the proposed algorithm achieves better performance than other algorithms by reducing query times and identification delay and increasing throughput, and is more suitable for the identification of great amounts of data in Internet of Things environment.

Abstract: This article brief introduced a method for using Speech Search metadata to create a video file in which user can extract subtitles automatically and search for spoken words in a video. Create temporal metadata through transcribed speech using the XMP metadata transcript technique with Premiere pro. The transcript can be edited to ensure the correctness of the text content; Write an After Effects script expression to show the transcript as subtitle in the screen. Change the layer markers to navigation cue points and export the video file. Practice has been proved that expertly mastered this method will help produce high efficiency and high quality movies.

Abstract: HLA (High Level Architecture) is a standard to promote the interoperation and the reuse of the simulation models. In the simulation federation development based on HLA/RTI, how to simplify the process of creating federate is an urgent job. This paper proposes an equipment support simulation federate automatically generation tool in order to solve equipment support concept evaluation on diverse level concept. The federate automatically generation tool can automatically generate federate in different number different function different interaction depending on universal federate code and federate initialization data. The tool not only automatically generates federate framework code, but also automatically generates federation inside function code. It can reduce the difficulties of federate development and increase the efficiency of equipment support concept evaluation. The application of joint operations equipment support concept evaluation is illustrated. It testifies the available and feasible of federate automatically generation tool in equipment support simulation.

Abstract: the cloud-based service is a new type service way to provide the users in distributed environment, but the service model troubles it popularizing. Aiming at the problem, an indirect addressing service method is proposed in the paper. It analyzed the new problems serving in cloud firstly, then comes out a recourse and service invoking model based on indirect addressing, gave out the service actors of the model in detail, studied the package method of the cloud interfaces, produce the knowledge step in the indirect addressing mode of resources distribution. The analysis proves the method with some advantages, and it proposes a new way to settle the service problem in cloud.

Abstract: The battery quick exchange mode is an effective solution to resolve the battery charging problem of electric vehicle. For the electric vehicle battery distribution network with the battery quick exchange mode, the distribution model and algorithm are researched; the general mathematical model to take delivery of the vehicle routing problem with time window (VRP-SDPTW) is established. By analyzing the relationship between the main variables, structure priority function of the initial population, a new front crossover operator, swap mutation operator and reverse mutation operator are designed, and an improved genetic algorithm solving VRP-SDPTW is constructed. The algorithm could overcome the traditional genetic algorithm premature convergence defects. The example shows that the improved genetic algorithm can be effective in the short period of time to obtain the satisfactory solution of the VRP-SDPTW.

Abstract: Satellite solar radiation pressure torque is one of the major long-term interference after the satellite finishes positioning and starts to working. However, there is no method to verify the calculation of solar radiation pressure torque. This paper is to analyze the in-orbit telemetry data of satellite DFH-3. Based on the results of data fitting and pressure torque calculation, the paper aims to test the accuracy of the calculation methods.

Abstract: The precise classification of massive information in big database was researched in this paper, and also the redundant information as the interference should be filtered in the subject. According to the traditional data classification method, the frequency points were concentrated and the data classification frequent points were not easy to be eliminated. The nodes classification technology with low self-adaptive property refused the nodes in high disturbance and in the deep attenuation parts, and then the classification precision and the immunity of the disturbance property were limited greatly. A new optimum data classification method and the redundant information model were proposed based on the chaotic probability analysis. The classification error rates was mapped as a probability density function based on the channel mapping function method, the classification probability was allocated with this probability density function. The random series which could reflect the essential feature was produced based on the chaotic probability analysis method which could meet to the demands of the random frequency classification. And the data clustering and optimization classification was realized finally. Simulation was taken with the KDD_CUP2009 experimental big database, and simulation result shows that the proposed method can classify each type of the data effectively. The performance of the data classification is perfect, comparing to the traditional neural net fuzzy c-means method, the classification precision rate was improved by 17.8% It show that the model and algorithm has excellent classification performance and can be taken in the application such as data mining, fault diagnosis and target recognition as engineering practice.

Abstract: Project schedule management is the management to each stage of the degree of progress and project final deadline in the project implementation process. Its purpose is to ensure that the project can meet the time constraints under the premise of achieving its overall objectives.When the progress of schedule found deviation in the process of schedule management ,the progress of the plan which have be advanced previously need to adjust.This article mainly discussed to solve the following two questions:establish the schedule optimization model by using the method of linear;discuss the particle swarm optimization (PSO) algorithm and its parameters which have effect on the algorithm:Particle swarm optimization (PSO) algorithm is presented in the time limited project and the application of a cost optimization.

Abstract: In this paper, a novel framework of robust observer for linear system with parametric uncertain state matrix matched with output matrix is introduced. The scheme is derived by including an extra term to the feedback gain, and the term is obtained by the analysis of the Lyapunov stability theory and LMI (Linear Matrix Inequality). The proposed observer is less conservative and thus lead to a low gain matrix based on the novel framework. Finally, the effectiveness of the proposed method is validated by the numerical simulations on Matlab environment.

Abstract: In the sport of badminton, net shot is one of the extremely important technologies. With the continuous development and innovation of badminton sport, net technology has been paid more and more attention to. In addition, in many badminton games, it has become an important technical means to change active to passive by taking effective use of net shot changes. Firstly, this paper elaborates the division of badminton net technology area and technology selection. And then, based on this, combined with the principle of aerodynamics, this paper makes an analysis on the dynamics of badminton net techniques. At the same time, this paper also makes an analysis on the dynamics of net ball chop technique. Thus, to some extent, it provides theoretical basis and technical guidance for the teaching and practice of badminton net shot.