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浙江大学学报(工学版)
J4  2012, Vol. 46 Issue (7): 1195-1200    DOI: 10.3785/j.issn.1008-973X.2012.07.007
机械与能源工程     
基于HLA的车辆半实物仿真中精确定时方法
余小勇,魏燕定,黄茫茫,周晓军,杨辰龙
浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027
Precise timing of HLA-based hardware-in-loop simulation for vehicles
YU Xiao-yong, WEI Yan-ding, HUANG Mang-mang, ZHOU Xiao-jun, YANG Chen-long
State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China
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摘要：

在基于高层体系结构(HLA)标准设计车辆半实物仿真平台的体系结构中,为了解决仿真中遇到的实时性问题,分析Windows中的各种精确定时技术.利用VC++编制的测试程序,结合DSP硬件和数字示波器分别对Windows中定时技术的定时精度进行测试.通过在基于HLA的管理者联邦成员中添加高精度定时器来实现仿真步长的控制,改善了基于HLA仿真系统实时性性能不足的问题,在仿真周期内没有出现数据包丢失和数据传输延迟的问题,保证了系统数据通讯的同步要求.
Abstract:

Hardware-in-loop simulation architecture of vehicles was designed based on high level architecture (HLA) standard. Various precise timing techniques on Windows were analyzed in order to solve the real-time performance. Timing precision of timing techniques on Windows was tested with digital signal processor (DSP) and digital oscilloscope by using testing program on VC++. High-precision timer was appended to the manager federate based on HLA to control the simulation step and improve the realtime performance of the HLA simulation system. No datapackage error and data transmission delay appear in the simulation period, which ensures synchronization of the data transmission．
出版日期: 2012-07-01
:  TP 391.9  
通讯作者: 魏燕定,男,教授.     E-mail: weiyd@zju.edu.cn
作者简介: 余小勇(1986- ),男,硕士生,从事车辆半实物仿真的研究. E-mai: gsyxyong@foxmail.com
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引用本文:

余小勇,魏燕定,黄茫茫,周晓军,杨辰龙. 基于HLA的车辆半实物仿真中精确定时方法[J]. J4, 2012, 46(7): 1195-1200.

YU Xiao-yong, WEI Yan-ding, HUANG Mang-mang, ZHOU Xiao-jun, YANG Chen-long. Precise timing of HLA-based hardware-in-loop simulation for vehicles. J4, 2012, 46(7): 1195-1200.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2012.07.007    或    http://www.zjujournals.com/eng/CN/Y2012/V46/I7/1195

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