北京航空航天大学学报 ›› 2008, Vol. 34 ›› Issue (09): 1084-1087.

• 论文 • 上一篇    下一篇

基于协调组的RTI时间管理方法

吕芳,周忠,魏晟,吴威   

  1. 北京航空航天大学 虚拟现实技术与系统国家重点实验室, 北京 100191
  • 收稿日期:2007-09-13 出版日期:2008-09-30 发布日期:2010-09-17
  • 作者简介:吕 芳(1983-),女,内蒙古乌兰浩特人,硕士生,lvfang@vrlab.buaa.edu.cn.
  • 基金资助:

    国家863计划资助项目(2006AA01Z331);国家自然科学基金资助项目(60603084)

Time management of RTI based on negotiation group

Lü Fang, Fang Zhou, Zhong Wei, Sheng Wu   

  1. State Key Laboratory of Virtual Reality Technology and Systems, Beijing University of Aeronautics and Astronautics, Beijing 100191, China
  • Received:2007-09-13 Online:2008-09-30 Published:2010-09-17

摘要: 针对目前运行支撑环境(RTI,Run-Time Infrastructure)时间管理方法中存在的时间推进效率低及网络带宽占用量大的问题,提出基于协调组的RTI时间管理方法并将其应用于BH RTI 2.3时间管理服务.将仿真系统中节点划分为不同的协调组并设置协调者,通过分组局部协调逐步达到全局的时间同步.实验结果表明,该方法在仿真节点时间推进速度及网络带宽占用量方面优于同等条件下的其他RTI时间管理方法.

Abstract: Aimed at the problems existed in the time management of run-time infrastructure(RTI) at the present time, a method of time management of RTI based on negotiation group was brought forward and applied in the time management service of BH RTI 2.3, which was conducted to solve the problems such as low time advance speed and high network bandwidth engross. This method divided the node in the simulation system into different coordination groups and set the coordinator, which attained global time synchronization through the coordination of local synchronization. The experiment outcome indicates this method preponderates over other methods in both time advance speed and network bandwidth engross on even ground.

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