Electronics Optics & Control, Volume. 22, Issue 6, 73(2015)
FlexRay Protocol Design and Realization in Avionic Network for Aircraft Complied with CCAR23
In order to enhance the safety of FlexRay protocol applied in avionic network in aircraft complied with CCAR23,a heartbeat message structure is defined and a membership protocol algorithm is designed and implemented for FlexRay protocol based on its transmission characteristics.The algorithm consists three phases:status announcement in static segment, negotiation in dynamic segment and decision-making in network idle time.It uses processes hosted by the node as management target and enable the reintegration of a process.Within one cycle,it can identify n faults in a 2n+1 processes member group while at least n+1 process are without fault.Test result shows that the algorithm satisfies the validity,agreement and self-diagnosis requirements of membership protocol.
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LIU Xuan, KONG De-qi, ZHANG Shuang, LI Li, MIAO Wei-tao, LIU Wen-xue. FlexRay Protocol Design and Realization in Avionic Network for Aircraft Complied with CCAR23[J]. Electronics Optics & Control, 2015, 22(6): 73
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Received: Oct. 9, 2014
Accepted: --
Published Online: Jul. 10, 2015
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