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      • KCI등재

        Kinematic errors on helical gear of triple circular-arc teeth

        Xiao-Shun Xie,Hsueh-Cheng Yang 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.8

        Two imaginary skew rack cutter curves with stepped triple circular-arc teeth are presented in this paper. A helical gear pair that includesthe gear and pinion surfaces was generated by using two matched imaginary skew rack cutter surfaces. The mathematical modelsof the helical gear pair with stepped triple circular-arc teeth were developed based on theory of gearing. With the use of these models, theanalysis of kinematic errors can be illustrated and evaluated by computer programming and tooth contact analysis (TCA). The assemblyerrors used had several kinds: ideal assembly errors, vertical misalignment angles, horizontal misalignment angles, manufacturing errorsof helical angles, and center distance deviation. TCA revealed that the sensitivity of horizontal misalignment angles was lower than thatof manufacturing errors of helix angles but higher than that of vertical misalignment angles.

      • Research on Scheduling Strategy based on Trust in Hybrid Cloud

        Xiao-Lan Xie,Shun-Bai Huang,Xiu-juan Guo 보안공학연구지원센터 2016 International Journal of Grid and Distributed Comp Vol.9 No.8

        Hybrid cloud can help companies to maximize the potentiality of IT infrastructure, so the hybrid cloud is increasingly popular in the market. Hybrid cloud scheduling has become one of the important issues which cloud providers face in the current. How to effectively and safely make hybrid cloud scheduling is one of the main research topics in the field of hybrid cloud. This paper introduces an effective hybrid cloud resource management model, and proposes a hybrid cloud resource scheduling strategy based on the particle swarm leapfrog algorithm and trust mechanism in order to solve the problems. The experimental results show that the hybrid cloud scheduling strategy is effective in terms of security and throughput.

      • Collaborative Plotting System Based on Web and Multi-Agent

        Xiao-Lan Xie,Shun-Bai Huang,Xiu-juan Guo 보안공학연구지원센터 2016 International Journal of u- and e- Service, Scienc Vol.9 No.7

        The traditional collaborative plotting system is a single user plot in which users are independent of each other, and the data can’t be shared among them. It can’t meet the requirements of multi-users to collaborative plot in the modern society. In this paper, we proposed multi-agent technology applying into the collaborative plotting system, and designed a collaborative plotting system based on web and multi-agent, which can solve the problem of real-time collaborative plotting for multi-users. At the same time, it provides the map editing interactive interface and realizes the dynamic exchange of the plotting information. Also, it supports a wide range of collecting effective plotting data, and realizes a new way of information acquisition. Experiments show that the system based on multi-agent can achieve fast and real-time cooperation under the Web environment, and its response time is short and the system performance is stable.

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