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Alternative TitleEthernet deterministic data transmission method of data-oriented role
王锴; 徐皑冬; 刘明哲
Rights Holder中国科学院沈阳自动化研究所
Patent Agent沈阳科苑专利商标代理有限公司 21002
Other AbstractThe invention provides an Ethernet deterministic data transmission method of a data-oriented role, and meets the requirements of advance process control (APC) application for collecting internal data of IC (Integrated Circuit) equipment. The method comprises the following steps: adding a communication scheduling layer between an Ethernet data link layer and a network layer adding a real-time channel acquiring the maximum common divisor of period values according to data of each data tracking request in a data acquiring plan to determine a macro cycle value and dividing the macro cycle into four time ranges in a time axis according to a four-part form dividing principle, and determining transmitting modes of messages based on the characteristics of the various messages  carrying out the bus arbitration in a way that the time triggering and event triggering are combined and keeping time consistency of all sub-equipment in the system and the main equipment based on a clock synchronization algorithm. With the adoption of the method provided by the invention, relevant communication scheduling methods are provided to the data which have the different requirements on transmitting time limitation according to the specific characteristics of various data in the IC equipment, and the requirements of the APC application to the data access of the equipment can be met well.
PCT Attributes
Application Date2011-06-21
Date Available2015-09-09
Application NumberCN201110167857.9
Open (Notice) NumberCN102843390A
Contribution Rank1
Document Type专利
Recommended Citation
GB/T 7714
王锴,徐皑冬,刘明哲. 面向数据角色的以太网确定性数据传输方法[P]. 2012-12-26.
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