CAN总线传输延时特性的研究  

Research of CAN bus transmission time delay property

作　　者：佟为明[1] 高洪伟[1] 陈培友[1] 

机构地区：[1]哈尔滨工业大学,哈尔滨150001

出　　处：《仪器仪表学报》2007年第S1期-,共3页Chinese Journal of Scientific Instrument

基　　金：网络电能质量监测仪的研究与开发(QC05C13)

摘　　要：本文研究的是CAN总线的传输延时特性,建立了统一的现场总线传输延时模型,给出了通用的传送延时公式及简化的延时公式,总结出了影响传输延时的2个主要方面:阻塞时间和帧时间。本文提出并建立了CAN总线阻塞时间的数学模型,剖析了CAN总线帧时间的组成并计算给出了不同参数下的帧时间。本文的工作对促进CAN总线的应用和理论研究均具有一定价值。This paper studied the CAN bus transmission time delay property.The transmission time delay model of Fieldbus was constructed,the general and simplified transmission time delay formulas were given,and two important aspects that influences transmission time delay,block time and frame time,were summarized.CAN bus block time mathematical model was proposed,the structure of CAN frame time was analyzed and the frame time under different parameters were given.The job of this paper may process certain value for pr...

关 键 词：CAN总线 传输延时 阻塞时间 帧时间 

分 类 号：TP336[自动化与计算机技术—计算机系统结构]