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基于Web的航海训练系统中时空一致性研究 被引量：1

Time-space Consistency in Web-based Marine Training System
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摘要 基于Web的船舶操纵训练系统(WBMTS)面临的一项严峻挑战就是多个仿真节点间的时空一致性维护问题。重点研究如何减小WBMTS中由于网络传输延时造成的多用户交互时的时空不一致的问题,通过估算出客户端之间的数据传输延迟时间,在DR推算新的位置时进行相应的延迟补偿,修正客户端之间由于网络延迟引起的时空差异,从而实现不同客户端的同步。试验结果表明,该方法在不影响WBMTS交互实时性的同时,有效地减少了时空不一致。 One of the challenging issues in Web-based Maritime Training System （WBMTS） is the time-space consistency maintenance among the participants.This paper focuses on minimizing state inconsistency of the dynamic entities caused by the network transport delays in WBMTS,A relative delay compensation method for continuous states changes of dynamic entities belonging to different clients is proposed.We combine the relative delay among clients with the dead-reckoning technology to achieve the approximate time-space synchronization.Our experimental result shows that above method can effectively reduce the time-space inconsistency without affecting the interactivity of the training.
作者 刘秀文 解翠 金一丞
机构地区 大连海事大学 中国海洋大学
出处 《计算机工程与应用》 CSCD 北大核心 2006年第36期219-221,228,共4页 Computer Engineering and Applications
关键词 分布式虚拟环境 基于Web的训练 时空一致性 distributed virtual environment Web-based training time-space consistency
分类号 U66 [交通运输工程—船舶及航道工程]
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参考文献8

  • 1Xie Cui,Jin Yicheng,Liu Xiuwen,et al.Web-based maritime training environment[C]//Proceeding of the 4th International Conference on Computer and Information Technology (CIT2004).Wuhan,China:IEEE Computer Society,2004:351-356.
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二级参考文献30

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计算机工程与应用
2006年 第36期

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