Hu Yahai, Xu Yongbo, Peng Xiaoyuanet al. Method of updating LBTS passively for HLA time management[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(12): 1159-1162. (in Chinese)
Citation: Hu Yahai, Xu Yongbo, Peng Xiaoyuanet al. Method of updating LBTS passively for HLA time management[J]. Journal of Beijing University of Aeronautics and Astronautics, 2004, 30(12): 1159-1162. (in Chinese)

Method of updating LBTS passively for HLA time management

  • Received Date: 01 Jul 2003
  • Publish Date: 31 Dec 2004
  • The LBTS (lower bound time stamp) quarry is key problem for TM (time management) performance. An optimized method will be proposed for improve the TM performance in HLA(high level architecture). It can reduce the frequency of LBTS transfer, and time-constrained federates will be notified LBTS only when LBTS is changed rather than they quarry LBTS actively. Reliable multicast services are applied to reduce the communication cost. These algorithms have been used in TM in self-developed AST-RTI (advanced simulation technology-run time infrastructure), and application systems showed that RTI real time performance has been improved. Then the simulation application problems in RTI TM mechanism and solutions will be discussed.

     

  • [1] 凌云翔.基于HLA/RTI分布交互仿真系统的体系结构及其时间管理的研究与实现 .长沙:国防科学技术大学计算机学院, 1999 Ling Yunxiang. The study and implementation of distributed interactive simulation architecture and time management based on HLA/RTI . Changsha:College of Computer,National University of Defense Technology, 1999(in Chinese) [2] Lee C, Coe E, Clark J M, et al. Scalable time management algorithms using active networks for distributed simulation . DARPA Active Networks Conference and Exposition . 2002.366~378 [3]Carothers C D, Fujimoto R M. Design and implementation of HLA time management in the RTI version F.0 . Simulation Conference Proceedings . 1997.7~10 [4] Lee Busung, Cai Wentong, Zhou Junlan. A causality based time management mechanism for federated simulation . Parallel and Distributed Simulation Proceedings . 2001.83~90
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