时间管理算法是决定RTI时间管理服务性能的关键。为解决时间管理中常用的Frederick算法计算GALT(greatest available logical time)时可能出现死锁以及仿真系统消息延迟等问题,定义了联邦成员尺度的概念,并结合时间前瞻量的动态调整思想...时间管理算法是决定RTI时间管理服务性能的关键。为解决时间管理中常用的Frederick算法计算GALT(greatest available logical time)时可能出现死锁以及仿真系统消息延迟等问题,定义了联邦成员尺度的概念,并结合时间前瞻量的动态调整思想,提出了动态尺度标注算法,并对其进行了分析。分析表明该算法不但减少了消息的延迟时间,还解决了时间管理中的死锁问题。通过在制导弹药飞行视景仿真系统上测试,表明算法改善了仿真效果,提高了仿真系统性能。展开更多
As the distributed interactive simulation technology,the High Level Architecture(HLA)with the common Runtime Infrastructure(RTI)services has been applied to all kinds of simulation and computation areas,w hich has mor...As the distributed interactive simulation technology,the High Level Architecture(HLA)with the common Runtime Infrastructure(RTI)services has been applied to all kinds of simulation and computation areas,w hich has more interoperability and interactivity.Especially,w ith the development of hierarchical RTI softw are technology,the efficiency,flexibility,and levels of resolution etc.can be improved.How ever,updating mechanism for object management in hierarchical RTI can't supply the dynamic object subscription to the simulation operation,specially updating limitation in consistence and synchronization.Therefore,the improvement of update mechanism for object management has been proposed,and the process of w hich has been described.The results of simulation show that the improvement mechanism can achieve better updating rates and latency than traditional mechanism,considering the consistence need.展开更多
文摘时间管理算法是决定RTI时间管理服务性能的关键。为解决时间管理中常用的Frederick算法计算GALT(greatest available logical time)时可能出现死锁以及仿真系统消息延迟等问题,定义了联邦成员尺度的概念,并结合时间前瞻量的动态调整思想,提出了动态尺度标注算法,并对其进行了分析。分析表明该算法不但减少了消息的延迟时间,还解决了时间管理中的死锁问题。通过在制导弹药飞行视景仿真系统上测试,表明算法改善了仿真效果,提高了仿真系统性能。
基金Financial Support from New Century Program for Excellent Talents of Ministry of Education of China(NCET-11-1013)Program for Liaoning Innovative Research Team in University(LT2011005)
文摘As the distributed interactive simulation technology,the High Level Architecture(HLA)with the common Runtime Infrastructure(RTI)services has been applied to all kinds of simulation and computation areas,w hich has more interoperability and interactivity.Especially,w ith the development of hierarchical RTI softw are technology,the efficiency,flexibility,and levels of resolution etc.can be improved.How ever,updating mechanism for object management in hierarchical RTI can't supply the dynamic object subscription to the simulation operation,specially updating limitation in consistence and synchronization.Therefore,the improvement of update mechanism for object management has been proposed,and the process of w hich has been described.The results of simulation show that the improvement mechanism can achieve better updating rates and latency than traditional mechanism,considering the consistence need.
