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�������պ����ѧѧ�� 2008, Vol. 34 Issue (09) :1084-1087    DOI:
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�������պ����ѧ ������ʵ������ϵͳ�����ص�ʵ����, ���� 100191
Time management of RTI based on negotiation group
Lü Fang, Fang Zhou, Zhong Wei, Sheng Wu*
State Key Laboratory of Virtual Reality Technology and Systems, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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ժҪ ���Ŀǰ����֧�Ż���(RTI,Run-Time Infrastructure)ʱ��������д��ڵ�ʱ���ƽ�Ч�ʵͼ��������ռ�����������,�������Э�����RTIʱ�������������Ӧ����BH RTI 2.3ʱ��������.������ϵͳ�нڵ㻮��Ϊ��ͬ��Э���鲢����Э����,ͨ������ֲ�Э���𲽴ﵽȫ�ֵ�ʱ��ͬ��.ʵ��������,�÷����ڷ���ڵ�ʱ���ƽ��ٶȼ��������ռ������������ͬ�������µ�����RTIʱ�������.
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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.
Keywords�� HLA(high level architecture)   RTI(run-time infrastructure)   time management   negotiation group   LBTS(lower bound time stamp)     
Received 2007-09-13;
Fund:

����863�ƻ�������Ŀ(2006AA01Z331);������Ȼ��ѧ����������Ŀ(60603084)

About author: �� ��(1983-),Ů,���ɹ�����������,˶ʿ��,lvfang@vrlab.buaa.edu.cn.
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����,����,κ��,����.����Э�����RTIʱ�������[J]  �������պ����ѧѧ��, 2008,V34(09): 1084-1087
L�� Fang, Fang Zhou, Zhong Wei, Sheng Wu.Time management of RTI based on negotiation group[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(09): 1084-1087
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